diff --git a/.appveyor.yml b/.appveyor.yml new file mode 100644 index 00000000000..d525e4cfc07 --- /dev/null +++ b/.appveyor.yml @@ -0,0 +1,95 @@ +version: '{build}' +clone_folder: c:\pillow +init: +- ECHO %PYTHON% +#- ps: iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1')) +# Uncomment previous line to get RDP access during the build. + +environment: + EXECUTABLE: python.exe + TEST_OPTIONS: + DEPLOY: YES + matrix: + - PYTHON: C:/Python310 + ARCHITECTURE: x86 + APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019 + - PYTHON: C:/Python37-x64 + ARCHITECTURE: x64 + APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017 + + +install: +- '%PYTHON%\%EXECUTABLE% --version' +- curl -fsSL -o pillow-depends.zip https://github.com/python-pillow/pillow-depends/archive/main.zip +- 7z x pillow-depends.zip -oc:\ +- mv c:\pillow-depends-main c:\pillow-depends +- xcopy /S /Y c:\pillow-depends\test_images\* c:\pillow\tests\images +- 7z x ..\pillow-depends\nasm-2.15.05-win64.zip -oc:\ +- ..\pillow-depends\gs9550w32.exe /S +- path c:\nasm-2.15.05;C:\Program Files (x86)\gs\gs9.55.0\bin;%PATH% +- cd c:\pillow\winbuild\ +- ps: | + c:\python37\python.exe c:\pillow\winbuild\build_prepare.py -v --depends=C:\pillow-depends\ + c:\pillow\winbuild\build\build_dep_all.cmd + $host.SetShouldExit(0) +- path C:\pillow\winbuild\build\bin;%PATH% + +build_script: +- ps: | + c:\pillow\winbuild\build\build_pillow.cmd install + $host.SetShouldExit(0) +- cd c:\pillow +- '%PYTHON%\%EXECUTABLE% selftest.py --installed' + +test_script: +- cd c:\pillow +- '%PYTHON%\%EXECUTABLE% -m pip install pytest pytest-cov' +- c:\"Program Files (x86)"\"Windows Kits"\10\Debuggers\x86\gflags.exe /p /enable %PYTHON%\%EXECUTABLE% +- '%PYTHON%\%EXECUTABLE% -c "from PIL import Image"' +- '%PYTHON%\%EXECUTABLE% -m pytest -vx --cov PIL --cov Tests --cov-report term --cov-report xml Tests' +#- '%PYTHON%\%EXECUTABLE% test-installed.py -v -s %TEST_OPTIONS%' TODO TEST_OPTIONS with pytest? + +after_test: +- python -m pip install codecov +- codecov --file coverage.xml --name %PYTHON% --flags AppVeyor + +matrix: + fast_finish: true + +cache: +- '%LOCALAPPDATA%\pip\Cache' + +artifacts: +- path: pillow\dist\*.egg + name: egg +- path: pillow\dist\*.wheel + name: wheel + +before_deploy: + - cd c:\pillow + - '%PYTHON%\%EXECUTABLE% -m pip install wheel' + - cd c:\pillow\winbuild\ + - c:\pillow\winbuild\build\build_pillow.cmd bdist_wheel + - cd c:\pillow + - ps: Get-ChildItem .\dist\*.* | % { Push-AppveyorArtifact $_.FullName -FileName $_.Name } + +deploy: + provider: S3 + region: us-west-2 + access_key_id: AKIAIRAXC62ZNTVQJMOQ + secret_access_key: + secure: Hwb6klTqtBeMgxAjRoDltiiqpuH8xbwD4UooDzBSiCWXjuFj1lyl4kHgHwTCCGqi + bucket: pillow-nightly + folder: win/$(APPVEYOR_BUILD_NUMBER)/ + artifact: /.*egg|wheel/ + on: + APPVEYOR_REPO_NAME: python-pillow/Pillow + branch: main + deploy: YES + + +# Uncomment the following lines to get RDP access after the build/test and block for +# up to the timeout limit (~1hr) +# +#on_finish: +#- ps: $blockRdp = $true; iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1')) diff --git a/.ci/after_success.sh b/.ci/after_success.sh new file mode 100755 index 00000000000..ff91b481eca --- /dev/null +++ b/.ci/after_success.sh @@ -0,0 +1,9 @@ +#!/bin/bash + +# gather the coverage data +pip3 install codecov +if [[ $MATRIX_DOCKER ]]; then + coverage xml --ignore-errors +else + coverage xml +fi diff --git a/.ci/build.sh b/.ci/build.sh new file mode 100755 index 00000000000..a2e3041bd27 --- /dev/null +++ b/.ci/build.sh @@ -0,0 +1,10 @@ +#!/bin/bash + +set -e + +coverage erase +if [ $(uname) == "Darwin" ]; then + export CPPFLAGS="-I/usr/local/miniconda/include"; +fi +make clean +make install-coverage diff --git a/.ci/install.sh b/.ci/install.sh new file mode 100755 index 00000000000..c48acf9eece --- /dev/null +++ b/.ci/install.sh @@ -0,0 +1,55 @@ +#!/bin/bash + +aptget_update() +{ + if [ ! -z $1 ]; then + echo "" + echo "Retrying apt-get update..." + echo "" + fi + output=`sudo apt-get update 2>&1` + echo "$output" + if [[ $output == *[WE]:\ * ]]; then + return 1 + fi +} +aptget_update || aptget_update retry || aptget_update retry + +set -e + +sudo apt-get -qq install libfreetype6-dev liblcms2-dev python3-tk\ + ghostscript libffi-dev libjpeg-turbo-progs libopenjp2-7-dev\ + cmake imagemagick libharfbuzz-dev libfribidi-dev + +python3 -m pip install --upgrade pip +python3 -m pip install --upgrade wheel +PYTHONOPTIMIZE=0 python3 -m pip install cffi +python3 -m pip install coverage +python3 -m pip install defusedxml +python3 -m pip install olefile +python3 -m pip install -U pytest +python3 -m pip install -U pytest-cov +python3 -m pip install -U pytest-timeout +python3 -m pip install pyroma +python3 -m pip install test-image-results +python3 -m pip install numpy + +# PyQt5 doesn't support PyPy3 +if [[ $GHA_PYTHON_VERSION == 3.* ]]; then + # arm64, ppc64le, s390x CPUs: + # "ERROR: Could not find a version that satisfies the requirement pyqt5" + sudo apt-get -qq install libxcb-xinerama0 pyqt5-dev-tools + python3 -m pip install pyqt5 +fi + +# webp +pushd depends && ./install_webp.sh && popd + +# libimagequant +pushd depends && ./install_imagequant.sh && popd + +# raqm +pushd depends && ./install_raqm.sh && popd + +# extra test images +pushd depends && ./install_extra_test_images.sh && popd diff --git a/.ci/test.sh b/.ci/test.sh new file mode 100755 index 00000000000..8ff7c5f6483 --- /dev/null +++ b/.ci/test.sh @@ -0,0 +1,7 @@ +#!/bin/bash + +set -e + +python3 -c "from PIL import Image" + +python3 -bb -m pytest -v -x -W always --cov PIL --cov Tests --cov-report term Tests $REVERSE diff --git a/.clang-format b/.clang-format new file mode 100644 index 00000000000..be32e6d1a8a --- /dev/null +++ b/.clang-format @@ -0,0 +1,20 @@ +# A clang-format style that approximates Python's PEP 7 +# Useful for IDE integration +BasedOnStyle: Google +AlwaysBreakAfterReturnType: All +AllowShortIfStatementsOnASingleLine: false +AlignAfterOpenBracket: AlwaysBreak +BinPackArguments: false +BinPackParameters: false +BreakBeforeBraces: Attach +ColumnLimit: 88 +DerivePointerAlignment: false +IndentWidth: 4 +Language: Cpp +PointerAlignment: Right +ReflowComments: true +SortIncludes: false +SpaceBeforeParens: ControlStatements +SpacesInParentheses: false +TabWidth: 4 +UseTab: Never diff --git a/.coveragerc b/.coveragerc index ea79190ae0e..f71b6b1a281 100644 --- a/.coveragerc +++ b/.coveragerc @@ -10,5 +10,11 @@ exclude_lines = if 0: if __name__ == .__main__.: # Don't complain about debug code - if Image.DEBUG: if DEBUG: + +[run] +omit = + Tests/32bit_segfault_check.py + Tests/bench_cffi_access.py + Tests/check_*.py + Tests/createfontdatachunk.py diff --git a/.gitattributes b/.gitattributes index 0d357a22ff7..2cf25ab1ac8 100644 --- a/.gitattributes +++ b/.gitattributes @@ -1 +1,3 @@ +*.eps binary *.ppm binary +*.container binary diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md index 5e467c4b138..bc958774497 100644 --- a/.github/CONTRIBUTING.md +++ b/.github/CONTRIBUTING.md @@ -4,24 +4,27 @@ Bug fixes, feature additions, tests, documentation and more can be contributed v ## Bug fixes, feature additions, etc. -Please send a pull request to the master branch. Please include [documentation](https://pillow.readthedocs.io) and [tests](../Tests/README.rst) for new features. Tests or documentation without bug fixes or feature additions are welcome too. Feel free to ask questions [via issues](https://github.com/python-pillow/Pillow/issues/new) or irc://irc.freenode.net#pil +Please send a pull request to the `main` branch. Please include [documentation](https://pillow.readthedocs.io) and [tests](../Tests/README.rst) for new features. Tests or documentation without bug fixes or feature additions are welcome too. Feel free to ask questions [via issues](https://github.com/python-pillow/Pillow/issues/new), [Gitter](https://gitter.im/python-pillow/Pillow) or irc://irc.freenode.net#pil - Fork the Pillow repository. -- Create a branch from master. +- Create a branch from `main`. - Develop bug fixes, features, tests, etc. -- Run the test suite on both Python 2.x and 3.x. You can enable [Travis CI](https://travis-ci.org/profile/) and [AppVeyor](https://ci.appveyor.com/projects/new) on your repo to catch test failures prior to the pull request, and [Coveralls](https://coveralls.io/repos/new) to see if the changed code is covered by tests. -- Create a pull request to pull the changes from your branch to the Pillow master. +- Run the test suite. You can enable GitHub Actions (https://github.com/MY-USERNAME/Pillow/actions) and [AppVeyor](https://ci.appveyor.com/projects/new) on your repo to catch test failures prior to the pull request, and [Codecov](https://codecov.io/gh) to see if the changed code is covered by tests. +- Create a pull request to pull the changes from your branch to the Pillow `main`. ### Guidelines - Separate code commits from reformatting commits. - Provide tests for any newly added code. -- Follow PEP8. -- When committing only documentation changes please include [ci skip] in the commit message to avoid running tests on Travis-CI and AppVeyor. +- Follow PEP 8. +- When committing only documentation changes please include `[ci skip]` in the commit message to avoid running tests on AppVeyor. +- Include [release notes](https://github.com/python-pillow/Pillow/tree/main/docs/releasenotes) as needed or appropriate with your bug fixes, feature additions and tests. ## Reporting Issues -When reporting issues, please include code that reproduces the issue and whenever possible, an image that demonstrates the issue. The best reproductions are self-contained scripts with minimal dependencies. +When reporting issues, please include code that reproduces the issue and whenever possible, an image that demonstrates the issue. Please upload images to GitHub, not to third-party file hosting sites. If necessary, add the image to a zip or tar archive. + +The best reproductions are self-contained scripts with minimal dependencies. If you are using a framework such as plone, Django, or buildout, try to replicate the issue just using Pillow. ### Provide details @@ -32,6 +35,4 @@ When reporting issues, please include code that reproduces the issue and wheneve ## Security vulnerabilities -To report sensitive vulnerability information, email security@python-pillow.org. - -If your organisation/employer is a distributor of Pillow and would like advance notification of security-related bugs, please let us know your preferred contact method. +Please see our [security policy](https://github.com/python-pillow/Pillow/blob/main/.github/SECURITY.md). diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml new file mode 100644 index 00000000000..e0e6804bfe4 --- /dev/null +++ b/.github/FUNDING.yml @@ -0,0 +1 @@ +tidelift: "pypi/Pillow" diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md deleted file mode 100644 index 2ab0121aec1..00000000000 --- a/.github/ISSUE_TEMPLATE.md +++ /dev/null @@ -1,13 +0,0 @@ -### What did you do? - -### What did you expect to happen? - -### What actually happened? - -### What versions of Pillow and Python are you using? - -Please include code that reproduces the issue and whenever possible, an image that demonstrates the issue. The best reproductions are self-contained scripts with minimal dependencies. If you are using a framework such as plone, django, or buildout, try to replicate the issue just using Pillow. - -```python -code goes here -``` diff --git a/.github/ISSUE_TEMPLATE/ISSUE_REPORT.md b/.github/ISSUE_TEMPLATE/ISSUE_REPORT.md new file mode 100644 index 00000000000..115f6135dfb --- /dev/null +++ b/.github/ISSUE_TEMPLATE/ISSUE_REPORT.md @@ -0,0 +1,59 @@ +--- +name: Issue report +about: Create a report to help us improve Pillow +--- + + + +### What did you do? + +### What did you expect to happen? + +### What actually happened? + +### What are your OS, Python and Pillow versions? + +* OS: +* Python: +* Pillow: + + + +```python +code goes here +``` diff --git a/.github/SECURITY.md b/.github/SECURITY.md new file mode 100644 index 00000000000..c6369fdef21 --- /dev/null +++ b/.github/SECURITY.md @@ -0,0 +1,5 @@ +# Security policy + +To report sensitive vulnerability information, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure. + +If your organisation/employer is a distributor of Pillow and would like advance notification of security-related bugs, please let us know your preferred contact method. diff --git a/.github/mergify.yml b/.github/mergify.yml new file mode 100644 index 00000000000..8b289bda671 --- /dev/null +++ b/.github/mergify.yml @@ -0,0 +1,14 @@ +pull_request_rules: + - name: Automatic merge + conditions: + - "#approved-reviews-by>=1" + - label=automerge + - status-success=Lint + - status-success=Test Successful + - status-success=Docker Test Successful + - status-success=Windows Test Successful + - status-success=MinGW Test Successful + - status-success=continuous-integration/appveyor/pr + actions: + merge: + method: merge diff --git a/.github/release-drafter.yml b/.github/release-drafter.yml new file mode 100644 index 00000000000..4d855469a12 --- /dev/null +++ b/.github/release-drafter.yml @@ -0,0 +1,26 @@ +name-template: "$NEXT_MINOR_VERSION" +tag-template: "$NEXT_MINOR_VERSION" +change-template: '- $TITLE #$NUMBER [@$AUTHOR]' + +categories: + - title: "Dependencies" + label: "Dependency" + - title: "Deprecations" + label: "Deprecation" + - title: "Documentation" + label: "Documentation" + - title: "Removals" + label: "Removal" + - title: "Testing" + label: "Testing" + +exclude-labels: + - "changelog: skip" + +template: | + + https://pillow.readthedocs.io/en/stable/releasenotes/$NEXT_MINOR_VERSION.html + + ## Changes + + $CHANGES diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml new file mode 100644 index 00000000000..7e2fbf28f88 --- /dev/null +++ b/.github/workflows/cifuzz.yml @@ -0,0 +1,49 @@ +name: CIFuzz + +on: + push: + paths: + - "**.c" + - "**.h" + pull_request: + paths: + - "**.c" + - "**.h" + workflow_dispatch: + +jobs: + Fuzzing: + runs-on: ubuntu-latest + steps: + - name: Build Fuzzers + id: build + uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master + with: + oss-fuzz-project-name: 'pillow' + language: python + dry-run: false + - name: Run Fuzzers + id: run + uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master + with: + oss-fuzz-project-name: 'pillow' + fuzz-seconds: 600 + language: python + dry-run: false + - name: Upload New Crash + uses: actions/upload-artifact@v2 + if: failure() && steps.build.outcome == 'success' + with: + name: artifacts + path: ./out/artifacts + - name: Upload Legacy Crash + uses: actions/upload-artifact@v2 + if: steps.run.outcome == 'success' + with: + name: crash + path: ./out/crash* + - name: Fail on legacy crash + if: success() + run: | + [ ! -e out/crash-* ] + echo No legacy crash detected diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml new file mode 100644 index 00000000000..533ce8cbd53 --- /dev/null +++ b/.github/workflows/lint.yml @@ -0,0 +1,41 @@ +name: Lint + +on: [push, pull_request, workflow_dispatch] + +jobs: + build: + + runs-on: ubuntu-latest + + name: Lint + + steps: + - uses: actions/checkout@v2 + + - name: pre-commit cache + uses: actions/cache@v2 + with: + path: ~/.cache/pre-commit + key: lint-pre-commit-${{ hashFiles('**/.pre-commit-config.yaml') }} + restore-keys: | + lint-pre-commit- + + - name: Set up Python + uses: actions/setup-python@v2 + with: + python-version: "3.10" + cache: pip + cache-dependency-path: "setup.py" + + - name: Build system information + run: python3 .github/workflows/system-info.py + + - name: Install dependencies + run: | + python3 -m pip install -U pip + python3 -m pip install -U tox + + - name: Lint + run: tox -e lint + env: + PRE_COMMIT_COLOR: always diff --git a/.github/workflows/macos-install.sh b/.github/workflows/macos-install.sh new file mode 100755 index 00000000000..8260cf8d8d3 --- /dev/null +++ b/.github/workflows/macos-install.sh @@ -0,0 +1,21 @@ +#!/bin/bash + +set -e + +brew install libtiff libjpeg openjpeg libimagequant webp little-cms2 freetype openblas libraqm + +PYTHONOPTIMIZE=0 python3 -m pip install cffi +python3 -m pip install coverage +python3 -m pip install defusedxml +python3 -m pip install olefile +python3 -m pip install -U pytest +python3 -m pip install -U pytest-cov +python3 -m pip install -U pytest-timeout +python3 -m pip install pyroma +python3 -m pip install test-image-results + +echo -e "[openblas]\nlibraries = openblas\nlibrary_dirs = /usr/local/opt/openblas/lib" >> ~/.numpy-site.cfg +python3 -m pip install numpy + +# extra test images +pushd depends && ./install_extra_test_images.sh && popd diff --git a/.github/workflows/release-drafter.yml b/.github/workflows/release-drafter.yml new file mode 100644 index 00000000000..ad66117b187 --- /dev/null +++ b/.github/workflows/release-drafter.yml @@ -0,0 +1,18 @@ +name: Release drafter + +on: + push: + # branches to consider in the event; optional, defaults to all + branches: + - main + workflow_dispatch: + +jobs: + update_release_draft: + if: github.repository == 'python-pillow/Pillow' + runs-on: ubuntu-latest + steps: + # Drafts your next release notes as pull requests are merged into "main" + - uses: release-drafter/release-drafter@v5 + env: + GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} diff --git a/.github/workflows/system-info.py b/.github/workflows/system-info.py new file mode 100644 index 00000000000..8e840319a7d --- /dev/null +++ b/.github/workflows/system-info.py @@ -0,0 +1,25 @@ +""" +Print out some handy system info like Travis CI does. + +This sort of info is missing from GitHub Actions. + +Requested here: +https://github.com/actions/virtual-environments/issues/79 +""" +import os +import platform +import sys + +print("Build system information") +print() + +print("sys.version\t\t", sys.version.split("\n")) +print("os.name\t\t\t", os.name) +print("sys.platform\t\t", sys.platform) +print("platform.system()\t", platform.system()) +print("platform.machine()\t", platform.machine()) +print("platform.platform()\t", platform.platform()) +print("platform.version()\t", platform.version()) +print("platform.uname()\t", platform.uname()) +if sys.platform == "darwin": + print("platform.mac_ver()\t", platform.mac_ver()) diff --git a/.github/workflows/test-docker.yml b/.github/workflows/test-docker.yml new file mode 100644 index 00000000000..57396fddcce --- /dev/null +++ b/.github/workflows/test-docker.yml @@ -0,0 +1,87 @@ +name: Test Docker + +on: [push, pull_request, workflow_dispatch] + +jobs: + build: + + runs-on: ubuntu-latest + strategy: + fail-fast: false + matrix: + docker: [ + # Run slower jobs first to give them a headstart and reduce waiting time + ubuntu-20.04-focal-arm64v8, + ubuntu-20.04-focal-ppc64le, + ubuntu-20.04-focal-s390x, + # Then run the remainder + alpine, + amazon-2-amd64, + arch, + centos-7-amd64, + centos-8-amd64, + centos-stream-8-amd64, + debian-10-buster-x86, + fedora-34-amd64, + fedora-35-amd64, + ubuntu-18.04-bionic-amd64, + ubuntu-20.04-focal-amd64, + ] + dockerTag: [main] + include: + - docker: "ubuntu-20.04-focal-arm64v8" + qemu-arch: "aarch64" + - docker: "ubuntu-20.04-focal-ppc64le" + qemu-arch: "ppc64le" + - docker: "ubuntu-20.04-focal-s390x" + qemu-arch: "s390x" + + name: ${{ matrix.docker }} + + steps: + - uses: actions/checkout@v2 + + - name: Build system information + run: python3 .github/workflows/system-info.py + + - name: Set up QEMU + if: "matrix.qemu-arch" + run: | + docker run --rm --privileged aptman/qus -s -- -p ${{ matrix.qemu-arch }} + + - name: Docker pull + run: | + docker pull pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }} + + - name: Docker build + run: | + # The Pillow user in the docker container is UID 1000 + sudo chown -R 1000 $GITHUB_WORKSPACE + docker run --name pillow_container -v $GITHUB_WORKSPACE:/Pillow pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }} + sudo chown -R runner $GITHUB_WORKSPACE + + - name: After success + run: | + PATH="$PATH:~/.local/bin" + docker start pillow_container + pil_path=`docker exec pillow_container /vpy3/bin/python -c 'import os, PIL;print(os.path.realpath(os.path.dirname(PIL.__file__)))'` + docker stop pillow_container + sudo mkdir -p $pil_path + sudo cp src/PIL/*.py $pil_path + .ci/after_success.sh + env: + MATRIX_DOCKER: ${{ matrix.docker }} + + - name: Upload coverage + uses: codecov/codecov-action@v1 + with: + flags: GHA_Docker + name: ${{ matrix.docker }} + + success: + needs: build + runs-on: ubuntu-latest + name: Docker Test Successful + steps: + - name: Success + run: echo Docker Test Successful diff --git a/.github/workflows/test-mingw.yml b/.github/workflows/test-mingw.yml new file mode 100644 index 00000000000..d94c7d53751 --- /dev/null +++ b/.github/workflows/test-mingw.yml @@ -0,0 +1,84 @@ +name: Test MinGW + +on: [push, pull_request, workflow_dispatch] + +jobs: + build: + runs-on: windows-2019 + strategy: + fail-fast: false + matrix: + mingw: ["MINGW32", "MINGW64"] + include: + - mingw: "MINGW32" + name: "MSYS2 MinGW 32-bit" + package: "mingw-w64-i686" + - mingw: "MINGW64" + name: "MSYS2 MinGW 64-bit" + package: "mingw-w64-x86_64" + + defaults: + run: + shell: bash.exe --login -eo pipefail "{0}" + env: + MSYSTEM: ${{ matrix.mingw }} + CHERE_INVOKING: 1 + + timeout-minutes: 30 + name: ${{ matrix.name }} + + steps: + - name: Checkout Pillow + uses: actions/checkout@v2 + + - name: Set up shell + run: echo "C:\msys64\usr\bin\" >> $env:GITHUB_PATH + shell: pwsh + + - name: Install dependencies + run: | + pacman -S --noconfirm \ + ${{ matrix.package }}-python3-cffi \ + ${{ matrix.package }}-python3-numpy \ + ${{ matrix.package }}-python3-olefile \ + ${{ matrix.package }}-python3-pip \ + ${{ matrix.package }}-python-pyqt6 \ + ${{ matrix.package }}-python3-setuptools \ + ${{ matrix.package }}-freetype \ + ${{ matrix.package }}-ghostscript \ + ${{ matrix.package }}-lcms2 \ + ${{ matrix.package }}-libimagequant \ + ${{ matrix.package }}-libjpeg-turbo \ + ${{ matrix.package }}-libraqm \ + ${{ matrix.package }}-libtiff \ + ${{ matrix.package }}-libwebp \ + ${{ matrix.package }}-openjpeg2 \ + subversion + + python3 -m pip install pyroma pytest pytest-cov pytest-timeout + + pushd depends && ./install_extra_test_images.sh && popd + + - name: Build Pillow + run: CFLAGS="-coverage" python3 -m pip install --global-option="build_ext" . + + - name: Test Pillow + run: | + python3 selftest.py --installed + python3 -c "from PIL import Image" + python3 -m pytest -vx --cov PIL --cov Tests --cov-report term --cov-report xml Tests + + - name: Upload coverage + run: | + python3 -m pip install codecov + bash <(curl -s https://codecov.io/bash) -F GHA_Windows + env: + CODECOV_NAME: ${{ matrix.name }} + + success: + needs: build + runs-on: ubuntu-latest + name: MinGW Test Successful + steps: + - name: Success + run: echo MinGW Test Successful diff --git a/.github/workflows/test-valgrind.yml b/.github/workflows/test-valgrind.yml new file mode 100644 index 00000000000..4a8966ca8b3 --- /dev/null +++ b/.github/workflows/test-valgrind.yml @@ -0,0 +1,45 @@ +name: Test Valgrind + +# like the docker tests, but running valgrind only on *.c/*.h changes. + +on: + push: + paths: + - "**.c" + - "**.h" + pull_request: + paths: + - "**.c" + - "**.h" + workflow_dispatch: + +jobs: + build: + + runs-on: ubuntu-latest + strategy: + fail-fast: false + matrix: + docker: [ + ubuntu-20.04-focal-amd64-valgrind, + ] + dockerTag: [main] + + name: ${{ matrix.docker }} + + steps: + - uses: actions/checkout@v2 + + - name: Build system information + run: python3 .github/workflows/system-info.py + + - name: Docker pull + run: | + docker pull pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }} + + - name: Build and Run Valgrind + run: | + # The Pillow user in the docker container is UID 1000 + sudo chown -R 1000 $GITHUB_WORKSPACE + docker run --name pillow_container -v $GITHUB_WORKSPACE:/Pillow pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }} + sudo chown -R runner $GITHUB_WORKSPACE diff --git a/.github/workflows/test-windows.yml b/.github/workflows/test-windows.yml new file mode 100644 index 00000000000..c768838eb06 --- /dev/null +++ b/.github/workflows/test-windows.yml @@ -0,0 +1,196 @@ +name: Test Windows + +on: [push, pull_request, workflow_dispatch] + +jobs: + build: + runs-on: windows-2019 + strategy: + fail-fast: false + matrix: + python-version: ["3.7", "3.8", "3.9", "3.10"] + architecture: ["x86", "x64"] + include: + # PyPy 7.3.4+ only ships 64-bit binaries for Windows + - python-version: "pypy-3.7" + architecture: "x64" + - python-version: "pypy-3.8" + architecture: "x64" + + timeout-minutes: 30 + + name: Python ${{ matrix.python-version }} ${{ matrix.architecture }} + + steps: + - name: Checkout Pillow + uses: actions/checkout@v2 + + - name: Checkout cached dependencies + uses: actions/checkout@v2 + with: + repository: python-pillow/pillow-depends + path: winbuild\depends + + # sets env: pythonLocation + - name: Set up Python + uses: actions/setup-python@v2 + with: + python-version: ${{ matrix.python-version }} + architecture: ${{ matrix.architecture }} + cache: pip + cache-dependency-path: ".github/workflows/test-windows.yml" + + - name: Print build system information + run: python .github/workflows/system-info.py + + - name: python -m pip install wheel pytest pytest-cov pytest-timeout defusedxml + run: python -m pip install wheel pytest pytest-cov pytest-timeout defusedxml + + - name: Install dependencies + id: install + run: | + 7z x winbuild\depends\nasm-2.15.05-win64.zip "-o$env:RUNNER_WORKSPACE\" + echo "$env:RUNNER_WORKSPACE\nasm-2.15.05" >> $env:GITHUB_PATH + + winbuild\depends\gs9550w32.exe /S + echo "C:\Program Files (x86)\gs\gs9.55.0\bin" >> $env:GITHUB_PATH + + xcopy /S /Y winbuild\depends\test_images\* Tests\images\ + + # make cache key depend on VS version + & "C:\Program Files (x86)\Microsoft Visual Studio\Installer\vswhere.exe" | find """catalog_buildVersion""" | ForEach-Object { $a = $_.split(" ")[1]; echo "::set-output name=vs::$a" } + shell: pwsh + + - name: Cache build + id: build-cache + uses: actions/cache@v2 + with: + path: winbuild\build + key: + ${{ hashFiles('winbuild\build_prepare.py') }}-${{ hashFiles('.github\workflows\test-windows.yml') }}-${{ env.pythonLocation }}-${{ steps.install.outputs.vs }} + + - name: Prepare build + if: steps.build-cache.outputs.cache-hit != 'true' + run: | + & python.exe winbuild\build_prepare.py -v --python=$env:pythonLocation --srcdir + shell: pwsh + + - name: Build dependencies / libjpeg-turbo + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_libjpeg.cmd" + + - name: Build dependencies / zlib + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_zlib.cmd" + + - name: Build dependencies / LibTiff + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_libtiff.cmd" + + - name: Build dependencies / WebP + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_libwebp.cmd" + + # for FreeType CBDT/SBIX font support + - name: Build dependencies / libpng + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_libpng.cmd" + + - name: Build dependencies / FreeType + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_freetype.cmd" + + - name: Build dependencies / LCMS2 + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_lcms2.cmd" + + - name: Build dependencies / OpenJPEG + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_openjpeg.cmd" + + # GPL licensed + - name: Build dependencies / libimagequant + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_libimagequant.cmd" + + # Raqm dependencies + - name: Build dependencies / HarfBuzz + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_harfbuzz.cmd" + + # Raqm dependencies + - name: Build dependencies / FriBidi + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_fribidi.cmd" + + # trim ~150MB x 9 + - name: Optimize build cache + if: steps.build-cache.outputs.cache-hit != 'true' + run: rmdir /S /Q winbuild\build\src + shell: cmd + + - name: Build Pillow + run: | + $FLAGS="" + if ('${{ github.event_name }}' -ne 'pull_request') { $FLAGS="--disable-imagequant" } + & winbuild\build\build_pillow.cmd $FLAGS install + & $env:pythonLocation\python.exe selftest.py --installed + shell: pwsh + + # failing with PyPy3 + - name: Enable heap verification + if: "!contains(matrix.python-version, 'pypy')" + run: "& 'C:\\Program Files (x86)\\Windows Kits\\10\\Debuggers\\x86\\gflags.exe' /p /enable $env:pythonLocation\\python.exe" + + - name: Test Pillow + run: | + path %GITHUB_WORKSPACE%\\winbuild\\build\\bin;%PATH% + python.exe -m pytest -vx -W always --cov PIL --cov Tests --cov-report term --cov-report xml Tests + shell: cmd + + - name: Prepare to upload errors + if: failure() + run: | + mkdir -p Tests/errors + shell: bash + + - name: Upload errors + uses: actions/upload-artifact@v2 + if: failure() + with: + name: errors + path: Tests/errors + + - name: After success + run: | + .ci/after_success.sh + shell: pwsh + + - name: Upload coverage + uses: codecov/codecov-action@v1 + with: + file: ./coverage.xml + flags: GHA_Windows + name: ${{ runner.os }} Python ${{ matrix.python-version }} ${{ matrix.architecture }} + + - name: Build wheel + id: wheel + if: "github.event_name != 'pull_request'" + run: | + for /f "tokens=3 delims=/" %%a in ("${{ github.ref }}") do echo ::set-output name=dist::dist-%%a + winbuild\\build\\build_pillow.cmd --disable-imagequant bdist_wheel + shell: cmd + + - uses: actions/upload-artifact@v2 + if: "github.event_name != 'pull_request'" + with: + name: ${{ steps.wheel.outputs.dist }} + path: dist\*.whl + + success: + needs: build + runs-on: ubuntu-latest + name: Windows Test Successful + steps: + - name: Success + run: echo Windows Test Successful diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml new file mode 100644 index 00000000000..414c7e94edd --- /dev/null +++ b/.github/workflows/test.yml @@ -0,0 +1,114 @@ +name: Test + +on: [push, pull_request, workflow_dispatch] + +jobs: + build: + + strategy: + fail-fast: false + matrix: + os: [ + "macos-latest", + "ubuntu-latest", + ] + python-version: [ + "pypy-3.8", + "pypy-3.7", + "3.10", + "3.9", + "3.8", + "3.7", + ] + include: + - python-version: "3.7" + PYTHONOPTIMIZE: 1 + REVERSE: "--reverse" + - python-version: "3.8" + PYTHONOPTIMIZE: 2 + # Include new variables for Codecov + - os: ubuntu-latest + codecov-flag: GHA_Ubuntu + - os: macos-latest + codecov-flag: GHA_macOS + + runs-on: ${{ matrix.os }} + name: ${{ matrix.os }} Python ${{ matrix.python-version }} + + steps: + - uses: actions/checkout@v2 + + - name: Set up Python ${{ matrix.python-version }} + uses: actions/setup-python@v2 + with: + python-version: ${{ matrix.python-version }} + cache: pip + cache-dependency-path: ".ci/*.sh" + + - name: Build system information + run: python3 .github/workflows/system-info.py + + - name: Install Linux dependencies + if: startsWith(matrix.os, 'ubuntu') + run: | + .ci/install.sh + env: + GHA_PYTHON_VERSION: ${{ matrix.python-version }} + + - name: Install macOS dependencies + if: startsWith(matrix.os, 'macOS') + run: | + .github/workflows/macos-install.sh + + - name: Build + run: | + .ci/build.sh + + - name: Test + run: | + if [ $REVERSE ]; then + python3 -m pip install pytest-reverse + fi + if [ "${{ matrix.os }}" = "ubuntu-latest" ]; then + xvfb-run -s '-screen 0 1024x768x24' .ci/test.sh + else + .ci/test.sh + fi + env: + PYTHONOPTIMIZE: ${{ matrix.PYTHONOPTIMIZE }} + REVERSE: ${{ matrix.REVERSE }} + + - name: Prepare to upload errors + if: failure() + run: | + mkdir -p Tests/errors + + - name: Upload errors + uses: actions/upload-artifact@v2 + if: failure() + with: + name: errors + path: Tests/errors + + - name: Docs + if: startsWith(matrix.os, 'ubuntu') && matrix.python-version == 3.9 + run: | + python3 -m pip install sphinx-copybutton sphinx-issues sphinx-removed-in sphinx-rtd-theme sphinxext-opengraph + make doccheck + + - name: After success + run: | + .ci/after_success.sh + + - name: Upload coverage + run: bash <(curl -s https://codecov.io/bash) -F ${{ matrix.codecov-flag }} + env: + CODECOV_NAME: ${{ matrix.os }} Python ${{ matrix.python-version }} + + success: + needs: build + runs-on: ubuntu-latest + name: Test Successful + steps: + - name: Success + run: echo Test Successful diff --git a/.github/workflows/tidelift.yml b/.github/workflows/tidelift.yml new file mode 100644 index 00000000000..c2b8b3bdaa9 --- /dev/null +++ b/.github/workflows/tidelift.yml @@ -0,0 +1,26 @@ +name: Tidelift Align +on: + schedule: + - cron: "30 2 * * *" # daily at 02:30 UTC + push: + paths: + - ".github/workflows/tidelift.yml" + pull_request: + paths: + - ".github/workflows/tidelift.yml" + workflow_dispatch: + +jobs: + build: + if: github.repository_owner == 'python-pillow' + name: Run Tidelift to ensure approved open source packages are in use + runs-on: ubuntu-latest + steps: + - name: Checkout + uses: actions/checkout@v2 + - name: Scan + uses: tidelift/alignment-action@main + env: + TIDELIFT_API_KEY: ${{ secrets.TIDELIFT_API_KEY }} + TIDELIFT_ORGANIZATION: team/aclark4life + TIDELIFT_PROJECT: pillow diff --git a/.gitignore b/.gitignore index 95ed4bac567..790404535f7 100644 --- a/.gitignore +++ b/.gitignore @@ -6,6 +6,7 @@ __pycache__/ *.so # Distribution / packaging +.eggs/ .Python env/ bin/ @@ -31,9 +32,12 @@ htmlcov/ .tox/ .coverage .cache -nosetests.xml +.pytest_cache coverage.xml +# Test files +test_images + # Translations *.mo @@ -52,6 +56,9 @@ coverage.xml # Sphinx documentation docs/_build/ +# viewdoc output +.long-description.html + # Vim cruft .*.swp @@ -60,9 +67,28 @@ docs/_build/ \#*# .#* +#VS Code +.vscode + #Komodo *.komodoproject #OS .DS_Store +# JetBrains +.idea + +# Extra test images installed from pillow-depends/test_images +Tests/images/README.md +Tests/images/crash_1.tif +Tests/images/crash_2.tif +Tests/images/crash-81154a65438ba5aaeca73fd502fa4850fbde60f8.tif +Tests/images/string_dimension.tiff +Tests/images/jpeg2000 +Tests/images/msp +Tests/images/picins +Tests/images/sunraster + +# pyinstaller +*.spec diff --git a/.landscape.yaml b/.landscape.yaml deleted file mode 100644 index ddd9cef3260..00000000000 --- a/.landscape.yaml +++ /dev/null @@ -1,3 +0,0 @@ -strictness: medium -test-warnings: yes -max-line-length: 80 diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml new file mode 100644 index 00000000000..5f1d16709c1 --- /dev/null +++ b/.pre-commit-config.yaml @@ -0,0 +1,46 @@ +repos: + - repo: https://github.com/psf/black + rev: 911470a610e47d9da5ea938b0887c3df62819b85 # frozen: 21.9b0 + hooks: + - id: black + args: ["--target-version", "py37"] + # Only .py files, until https://github.com/psf/black/issues/402 resolved + files: \.py$ + types: [] + + - repo: https://github.com/PyCQA/isort + rev: fd5ba70665a37ec301a1f714ed09336048b3be63 # frozen: 5.9.3 + hooks: + - id: isort + + - repo: https://github.com/asottile/yesqa + rev: 644ede78511c02fc6f8e03e014cc1ddcfbf1e1f5 # frozen: v1.2.3 + hooks: + - id: yesqa + + - repo: https://github.com/Lucas-C/pre-commit-hooks + rev: 3592548bbd98528887eeed63486cf6c9bae00b98 # frozen: v1.1.10 + hooks: + - id: remove-tabs + exclude: (Makefile$|\.bat$|\.cmake$|\.eps$|\.fits$|\.opt$) + + - repo: https://github.com/PyCQA/flake8 + rev: dcd740bc0ebaf2b3d43e59a0060d157c97de13f3 # frozen: 3.9.2 + hooks: + - id: flake8 + additional_dependencies: [flake8-2020, flake8-implicit-str-concat] + + - repo: https://github.com/pre-commit/pygrep-hooks + rev: 6f51a66bba59954917140ec2eeeaa4d5e630e6ce # frozen: v1.9.0 + hooks: + - id: python-check-blanket-noqa + - id: rst-backticks + + - repo: https://github.com/pre-commit/pre-commit-hooks + rev: 38b88246ccc552bffaaf54259d064beeee434539 # frozen: v4.0.1 + hooks: + - id: check-merge-conflict + - id: check-yaml + +ci: + autoupdate_schedule: quarterly diff --git a/.readthedocs.yml b/.readthedocs.yml new file mode 100644 index 00000000000..73e1f821366 --- /dev/null +++ b/.readthedocs.yml @@ -0,0 +1,2 @@ +python: + pip_install: true diff --git a/.travis.yml b/.travis.yml deleted file mode 100644 index 586ac7fcde4..00000000000 --- a/.travis.yml +++ /dev/null @@ -1,135 +0,0 @@ -language: python - -notifications: - irc: "chat.freenode.net#pil" - -# Run slow PyPy* first, to give them a headstart and reduce waiting time. -# Run latest 3.x and 2.x next, to get quick compatibility results. -# Then run the remainder. -python: - - "pypy" - - "pypy3" - - 3.5 - - 2.7 - - 2.6 - - "2.7_with_system_site_packages" # For PyQt4 - - 3.2 - - 3.3 - - 3.4 - - nightly - -install: - - "travis_retry sudo apt-get update" - - "travis_retry sudo apt-get -qq install libfreetype6-dev liblcms2-dev python-qt4 ghostscript libffi-dev libjpeg-turbo-progs cmake imagemagick" - - "travis_retry pip install cffi" - - "travis_retry pip install nose" - - "travis_retry pip install check-manifest" - # Pyroma tests sometimes hang on PyPy and Python 2.6; skip for those - - if [ $TRAVIS_PYTHON_VERSION != "pypy" && $TRAVIS_PYTHON_VERSION != "2.6" ]; then travis_retry pip install pyroma; fi - - - if [ "$TRAVIS_PYTHON_VERSION" == "2.6" ]; then travis_retry pip install unittest2; fi - - # Coverage 4.0 doesn't support Python 3.2 - - if [ "$TRAVIS_PYTHON_VERSION" == "3.2" ]; then travis_retry pip install coverage==3.7.1; fi - - if [ "$TRAVIS_PYTHON_VERSION" != "3.2" ]; then travis_retry pip install coverage; fi - - # docs only on python 2.7 - - if [ "$TRAVIS_PYTHON_VERSION" == "2.7" ]; then travis_retry pip install -r requirements.txt ; fi - - # clean checkout for manifest - - mkdir /tmp/check-manifest && cp -a . /tmp/check-manifest - - # webp - - pushd depends && ./install_webp.sh && popd - - # openjpeg - - pushd depends && ./install_openjpeg.sh && popd - - # libimagequant - - pushd depends && ./install_imagequant.sh && popd - -script: - - if [ "$TRAVIS_PYTHON_VERSION" != "nightly" ]; then coverage erase; fi - - python setup.py clean - - CFLAGS="-coverage" python setup.py build_ext --inplace - - - if [ "$TRAVIS_PYTHON_VERSION" != "nightly" ]; then coverage run --append --include=PIL/* selftest.py; fi - - if [ "$TRAVIS_PYTHON_VERSION" != "nightly" ]; then coverage run --append --include=PIL/* -m nose -vx Tests/test_*.py; fi - - pushd /tmp/check-manifest && check-manifest --ignore ".coveragerc,.editorconfig,*.yml,*.yaml,tox.ini" && popd - - # Docs - - if [ "$TRAVIS_PYTHON_VERSION" == "2.7" ]; then make install && make doccheck; fi - -after_success: - # gather the coverage data - - travis_retry sudo apt-get -qq install lcov - - lcov --capture --directory . -b . --output-file coverage.info - # filter to remove system headers - - lcov --remove coverage.info '/usr/*' -o coverage.filtered.info - # convert to json - - travis_retry gem install coveralls-lcov - - coveralls-lcov -v -n coverage.filtered.info > coverage.c.json - - - coverage report - - travis_retry pip install coveralls-merge - - coveralls-merge coverage.c.json - - - travis_retry pip install pep8 pyflakes - - pep8 --statistics --count PIL/*.py - - pep8 --statistics --count Tests/*.py - - pyflakes *.py | tee >(wc -l) - - pyflakes PIL/*.py | tee >(wc -l) - - pyflakes Tests/*.py | tee >(wc -l) - - # Coverage and quality reports on just the latest diff. - # (Installation is very slow on Py3, so just do it for Py2.) - - if [ ${TRAVIS_PYTHON_VERSION:0:1} == "2" ]; then depends/diffcover-install.sh; fi - - if [ ${TRAVIS_PYTHON_VERSION:0:1} == "2" ]; then depends/diffcover-run.sh; fi - - # after_all - - | - if [ "$TRAVIS_REPO_SLUG" = "python-pillow/Pillow" ] && [ "$TRAVIS_BRANCH" = "master" ] && [ "$TRAVIS_PULL_REQUEST" = "false" ]; then - curl -Lo travis_after_all.py https://raw.github.com/dmakhno/travis_after_all/master/travis_after_all.py - python travis_after_all.py - export $(cat .to_export_back) - if [ "$BUILD_LEADER" = "YES" ]; then - if [ "$BUILD_AGGREGATE_STATUS" = "others_succeeded" ]; then - echo "All jobs succeded! Triggering macOS build..." - # Trigger a macOS build at the pillow-wheels repo - ./build_children.sh - else - echo "Some jobs failed" - fi - fi - fi - -after_failure: - - | - if [ "$TRAVIS_REPO_SLUG" = "python-pillow/Pillow" ] && [ "$TRAVIS_BRANCH" = "master" ] && [ "$TRAVIS_PULL_REQUEST" = "false" ]; then - curl -Lo travis_after_all.py https://raw.github.com/dmakhno/travis_after_all/master/travis_after_all.py - python travis_after_all.py - export $(cat .to_export_back) - if [ "$BUILD_LEADER" = "YES" ]; then - if [ "$BUILD_AGGREGATE_STATUS" = "others_failed" ]; then - echo "All jobs failed" - else - echo "Some jobs failed" - fi - fi - fi - -after_script: - - | - if [ "$TRAVIS_REPO_SLUG" = "python-pillow/Pillow" ] && [ "$TRAVIS_BRANCH" = "master" ] && [ "$TRAVIS_PULL_REQUEST" = "false" ]; then - echo leader=$BUILD_LEADER status=$BUILD_AGGREGATE_STATUS - fi - -matrix: - fast_finish: true - allow_failures: - - python: nightly - -env: - global: - # travis encrypt AUTH_TOKEN= - secure: "Vzm7aG1Qv0SDQcqiPzZMedNLn5ZmpL7IzF0DYnqcD+/l+zmKU22SnJBcX0uVXumo+r7eZfpsShpqfcdsZvMlvmQnwz+Y6AGKQru9tCKZbTMnuRjWKKXekC+tr8Xt9CKvRVtte5PyXW31paxUI3/e+fQGBwoFjEEC+6EpEOjeRfE=" diff --git a/CHANGES.rst b/CHANGES.rst index b76e82bf460..fa9fb52cf06 100644 --- a/CHANGES.rst +++ b/CHANGES.rst @@ -1,6 +1,2770 @@ + Changelog (Pillow) ================== +9.0.1 (2022-02-03) +------------------ + +- In show_file, use os.remove to remove temporary images. CVE-2022-24303 #6010 + [radarhere, hugovk] + +- Restrict builtins within lambdas for ImageMath.eval. CVE-2022-22817 #6009 + [radarhere] + +9.0.0 (2022-01-02) +------------------ + +- Restrict builtins for ImageMath.eval(). CVE-2022-22817 #5923 + [radarhere] + +- Ensure JpegImagePlugin stops at the end of a truncated file #5921 + [radarhere] + +- Fixed ImagePath.Path array handling. CVE-2022-22815, CVE-2022-22816 #5920 + [radarhere] + +- Remove consecutive duplicate tiles that only differ by their offset #5919 + [radarhere] + +- Improved I;16 operations on big endian #5901 + [radarhere] + +- Limit quantized palette to number of colors #5879 + [radarhere] + +- Fixed palette index for zeroed color in FASTOCTREE quantize #5869 + [radarhere] + +- When saving RGBA to GIF, make use of first transparent palette entry #5859 + [radarhere] + +- Pass SAMPLEFORMAT to libtiff #5848 + [radarhere] + +- Added rounding when converting P and PA #5824 + [radarhere] + +- Improved putdata() documentation and data handling #5910 + [radarhere] + +- Exclude carriage return in PDF regex to help prevent ReDoS #5912 + [hugovk] + +- Fixed freeing pointer in ImageDraw.Outline.transform #5909 + [radarhere] + +- Added ImageShow support for xdg-open #5897 + [m-shinder, radarhere] + +- Support 16-bit grayscale ImageQt conversion #5856 + [cmbruns, radarhere] + +- Convert subsequent GIF frames to RGB or RGBA #5857 + [radarhere] + +- Do not prematurely return in ImageFile when saving to stdout #5665 + [infmagic2047, radarhere] + +- Added support for top right and bottom right TGA orientations #5829 + [radarhere] + +- Corrected ICNS file length in header #5845 + [radarhere] + +- Block tile TIFF tags when saving #5839 + [radarhere] + +- Added line width argument to polygon #5694 + [radarhere] + +- Do not redeclare class each time when converting to NumPy #5844 + [radarhere] + +- Only prevent repeated polygon pixels when drawing with transparency #5835 + [radarhere] + +- Add support for pickling TrueType fonts #5826 + [hugovk, radarhere] + +- Only prefer command line tools SDK on macOS over default MacOSX SDK #5828 + [radarhere] + +- Drop support for soon-EOL Python 3.6 #5768 + [hugovk, nulano, radarhere] + +- Fix compilation on 64-bit Termux #5793 + [landfillbaby] + +- Use title for display in ImageShow #5788 + [radarhere] + +- Remove support for FreeType 2.7 and older #5777 + [hugovk, radarhere] + +- Fix for PyQt6 #5775 + [hugovk, radarhere] + +- Removed deprecated PILLOW_VERSION, Image.show command parameter, Image._showxv and ImageFile.raise_ioerror #5776 + [radarhere] + +8.4.0 (2021-10-15) +------------------ + +- Prefer global transparency in GIF when replacing with background color #5756 + [radarhere] + +- Added "exif" keyword argument to TIFF saving #5575 + [radarhere] + +- Copy Python palette to new image in quantize() #5696 + [radarhere] + +- Read ICO AND mask from end #5667 + [radarhere] + +- Actually check the framesize in FliDecode.c #5659 + [wiredfool] + +- Determine JPEG2000 mode purely from ihdr header box #5654 + [radarhere] + +- Fixed using info dictionary when writing multiple APNG frames #5611 + [radarhere] + +- Allow saving 1 and L mode TIFF with PhotometricInterpretation 0 #5655 + [radarhere] + +- For GIF save_all with palette, do not include palette with each frame #5603 + [radarhere] + +- Keep transparency when converting from P to LA or PA #5606 + [radarhere] + +- Copy palette to new image in transform() #5647 + [radarhere] + +- Added "transparency" argument to EpsImagePlugin load() #5620 + [radarhere] + +- Corrected pathlib.Path detection when saving #5633 + [radarhere] + +- Added WalImageFile class #5618 + [radarhere] + +- Consider I;16 pixel size when drawing text #5598 + [radarhere] + +- If default conversion from P is RGB with transparency, convert to RGBA #5594 + [radarhere] + +- Speed up rotating square images by 90 or 270 degrees #5646 + [radarhere] + +- Add support for reading DPI information from JPEG2000 images + [rogermb, radarhere] + +- Catch TypeError from corrupted DPI value in EXIF #5639 + [homm, radarhere] + +- Do not close file pointer when saving SGI images #5645 + [farizrahman4u, radarhere] + +- Deprecate ImagePalette size parameter #5641 + [radarhere, hugovk] + +- Prefer command line tools SDK on macOS #5624 + [radarhere] + +- Added tags when saving YCbCr TIFF #5597 + [radarhere] + +- PSD layer count may be negative #5613 + [radarhere] + +- Fixed ImageOps expand with tuple border on P image #5615 + [radarhere] + +- Fixed error saving APNG with duplicate frames and different duration times #5609 + [thak1411, radarhere] + +8.3.2 (2021-09-02) +------------------ + +- CVE-2021-23437 Raise ValueError if color specifier is too long + [hugovk, radarhere] + +- Fix 6-byte OOB read in FliDecode + [wiredfool] + +- Add support for Python 3.10 #5569, #5570 + [hugovk, radarhere] + +- Ensure TIFF ``RowsPerStrip`` is multiple of 8 for JPEG compression #5588 + [kmilos, radarhere] + +- Updates for ``ImagePalette`` channel order #5599 + [radarhere] + +- Hide FriBiDi shim symbols to avoid conflict with real FriBiDi library #5651 + [nulano] + +8.3.1 (2021-07-06) +------------------ + +- Catch OSError when checking if fp is sys.stdout #5585 + [radarhere] + +- Handle removing orientation from alternate types of EXIF data #5584 + [radarhere] + +- Make Image.__array__ take optional dtype argument #5572 + [t-vi, radarhere] + +8.3.0 (2021-07-01) +------------------ + +- Use snprintf instead of sprintf. CVE-2021-34552 #5567 + [radarhere] + +- Limit TIFF strip size when saving with LibTIFF #5514 + [kmilos] + +- Allow ICNS save on all operating systems #4526 + [baletu, radarhere, newpanjing, hugovk] + +- De-zigzag JPEG's DQT when loading; deprecate convert_dict_qtables #4989 + [gofr, radarhere] + +- Replaced xml.etree.ElementTree #5565 + [radarhere] + +- Moved CVE image to pillow-depends #5561 + [radarhere] + +- Added tag data for IFD groups #5554 + [radarhere] + +- Improved ImagePalette #5552 + [radarhere] + +- Add DDS saving #5402 + [radarhere] + +- Improved getxmp() #5455 + [radarhere] + +- Convert to float for comparison with float in IFDRational __eq__ #5412 + [radarhere] + +- Allow getexif() to access TIFF tag_v2 data #5416 + [radarhere] + +- Read FITS image mode and size #5405 + [radarhere] + +- Merge parallel horizontal edges in ImagingDrawPolygon #5347 + [radarhere, hrdrq] + +- Use transparency behind first GIF frame and when disposing to background #5557 + [radarhere, zewt] + +- Avoid unstable nature of qsort in Quant.c #5367 + [radarhere] + +- Copy palette to new images in ImageOps expand #5551 + [radarhere] + +- Ensure palette string matches RGB mode #5549 + [radarhere] + +- Do not modify EXIF of original image instance in exif_transpose() #5547 + [radarhere] + +- Fixed default numresolution for small JPEG2000 images #5540 + [radarhere] + +- Added DDS BC5 reading #5501 + [radarhere] + +- Raise an error if ImageDraw.textbbox is used without a TrueType font #5510 + [radarhere] + +- Added ICO saving in BMP format #5513 + [radarhere] + +- Ensure PNG seeks to end of previous chunk at start of load_end #5493 + [radarhere] + +- Do not allow TIFF to seek to a past frame #5473 + [radarhere] + +- Avoid race condition when displaying images with eog #5507 + [mconst] + +- Added specific error messages when ink has incorrect number of bands #5504 + [radarhere] + +- Allow converting an image to a numpy array to raise errors #5379 + [radarhere] + +- Removed DPI rounding from BMP, JPEG, PNG and WMF loading #5476, #5470 + [radarhere] + +- Remove spikes when drawing thin pieslices #5460 + [xtsm] + +- Updated default value for SAMPLESPERPIXEL TIFF tag #5452 + [radarhere] + +- Removed TIFF DPI rounding #5446 + [radarhere, hugovk] + +- Include code in WebP error #5471 + [radarhere] + +- Do not alter pixels outside mask when drawing text on an image with transparency #5434 + [radarhere] + +- Reset handle when seeking backwards in TIFF #5443 + [radarhere] + +- Replace sys.stdout with sys.stdout.buffer when saving #5437 + [radarhere] + +- Fixed UNDEFINED TIFF tag of length 0 being changed in roundtrip #5426 + [radarhere] + +- Fixed bug when checking FreeType2 version if it is not installed #5445 + [radarhere] + +- Do not round dimensions when saving PDF #5459 + [radarhere] + +- Added ImageOps contain() #5417 + [radarhere, hugovk] + +- Changed WebP default "method" value to 4 #5450 + [radarhere] + +- Switched to saving 1-bit PDFs with DCTDecode #5430 + [radarhere] + +- Use bpp from ICO header #5429 + [radarhere] + +- Corrected JPEG APP14 transform value #5408 + [radarhere] + +- Changed TIFF tag 33723 length to 1 #5425 + [radarhere] + +- Changed ImageMorph incorrect mode errors to ValueError #5414 + [radarhere] + +- Add EXIF tags specified in EXIF 2.32 #5419 + [gladiusglad] + +- Treat previous contents of first GIF frame as transparent #5391 + [radarhere] + +- For special image modes, revert default resize resampling to NEAREST #5411 + [radarhere] + +- JPEG2000: Support decoding subsampled RGB and YCbCr images #4996 + [nulano, radarhere] + +- Stop decoding BC1 punchthrough alpha in BC2&3 #4144 + [jansol] + +- Use zero if GIF background color index is missing #5390 + [radarhere] + +- Fixed ensuring that GIF previous frame was loaded #5386 + [radarhere] + +- Valgrind fixes #5397 + [wiredfool] + +- Round down the radius in rounded_rectangle #5382 + [radarhere] + +- Fixed reading uncompressed RGB data from DDS #5383 + [radarhere] + +8.2.0 (2021-04-01) +------------------ + +- Added getxmp() method #5144 + [UrielMaD, radarhere] + +- Add ImageShow support for GraphicsMagick #5349 + [latosha-maltba, radarhere] + +- Do not load transparent pixels from subsequent GIF frames #5333 + [zewt, radarhere] + +- Use LZW encoding when saving GIF images #5291 + [raygard] + +- Set all transparent colors to be equal in quantize() #5282 + [radarhere] + +- Allow PixelAccess to use Python __int__ when parsing x and y #5206 + [radarhere] + +- Removed Image._MODEINFO #5316 + [radarhere] + +- Add preserve_tone option to autocontrast #5350 + [elejke, radarhere] + +- Fixed linear_gradient and radial_gradient I and F modes #5274 + [radarhere] + +- Add support for reading TIFFs with PlanarConfiguration=2 #5364 + [kkopachev, wiredfool, nulano] + +- Deprecated categories #5351 + [radarhere] + +- Do not premultiply alpha when resizing with Image.NEAREST resampling #5304 + [nulano] + +- Dynamically link FriBiDi instead of Raqm #5062 + [nulano] + +- Allow fewer PNG palette entries than the bit depth maximum when saving #5330 + [radarhere] + +- Use duration from info dictionary when saving WebP #5338 + [radarhere] + +- Stop flattening EXIF IFD into getexif() #4947 + [radarhere, kkopachev] + +- Replaced tiff_deflate with tiff_adobe_deflate compression when saving TIFF images #5343 + [radarhere] + +- Save ICC profile from TIFF encoderinfo #5321 + [radarhere] + +- Moved RGB fix inside ImageQt class #5268 + [radarhere] + +- Allow alpha_composite destination to be negative #5313 + [radarhere] + +- Ensure file is closed if it is opened by ImageQt.ImageQt #5260 + [radarhere] + +- Added ImageDraw rounded_rectangle method #5208 + [radarhere] + +- Added IPythonViewer #5289 + [radarhere, Kipkurui-mutai] + +- Only draw each rectangle outline pixel once #5183 + [radarhere] + +- Use mmap instead of built-in Win32 mapper #5224 + [radarhere, cgohlke] + +- Handle PCX images with an odd stride #5214 + [radarhere] + +- Only read different sizes for "Large Thumbnail" MPO frames #5168 + [radarhere] + +- Added PyQt6 support #5258 + [radarhere] + +- Changed Image.open formats parameter to be case-insensitive #5250 + [Piolie, radarhere] + +- Deprecate Tk/Tcl 8.4, to be removed in Pillow 10 (2023-07-01) #5216 + [radarhere] + +- Added tk version to pilinfo #5226 + [radarhere, nulano] + +- Support for ignoring tests when running valgrind #5150 + [wiredfool, radarhere, hugovk] + +- OSS-Fuzz support #5189 + [wiredfool, radarhere] + +8.1.2 (2021-03-06) +------------------ + +- Fix Memory DOS in BLP (CVE-2021-27921), ICNS (CVE-2021-27922) and ICO (CVE-2021-27923) Image Plugins + [wiredfool] + +8.1.1 (2021-03-01) +------------------ + +- Use more specific regex chars to prevent ReDoS. CVE-2021-25292 + [hugovk] + +- Fix OOB Read in TiffDecode.c, and check the tile validity before reading. CVE-2021-25291 + [wiredfool] + +- Fix negative size read in TiffDecode.c. CVE-2021-25290 + [wiredfool] + +- Fix OOB read in SgiRleDecode.c. CVE-2021-25293 + [wiredfool] + +- Incorrect error code checking in TiffDecode.c. CVE-2021-25289 + [wiredfool] + +- PyModule_AddObject fix for Python 3.10 #5194 + [radarhere] + +8.1.0 (2021-01-02) +------------------ + +- Fix TIFF OOB Write error. CVE-2020-35654 #5175 + [wiredfool] + +- Fix for Read Overflow in PCX Decoding. CVE-2020-35653 #5174 + [wiredfool, radarhere] + +- Fix for SGI Decode buffer overrun. CVE-2020-35655 #5173 + [wiredfool, radarhere] + +- Fix OOB Read when saving GIF of xsize=1 #5149 + [wiredfool] + +- Makefile updates #5159 + [wiredfool, radarhere] + +- Add support for PySide6 #5161 + [hugovk] + +- Use disposal settings from previous frame in APNG #5126 + [radarhere] + +- Added exception explaining that _repr_png_ saves to PNG #5139 + [radarhere] + +- Use previous disposal method in GIF load_end #5125 + [radarhere] + +- Allow putpalette to accept 1024 integers to include alpha values #5089 + [radarhere] + +- Fix OOB Read when writing TIFF with custom Metadata #5148 + [wiredfool] + +- Added append_images support for ICO #4568 + [ziplantil, radarhere] + +- Block TIFFTAG_SUBIFD #5120 + [radarhere] + +- Fixed dereferencing potential null pointers #5108, #5111 + [cgohlke, radarhere] + +- Deprecate FreeType 2.7 #5098 + [hugovk, radarhere] + +- Moved warning to end of execution #4965 + [radarhere] + +- Removed unused fromstring and tostring C methods #5026 + [radarhere] + +- init() if one of the formats is unrecognised #5037 + [radarhere] + +- Moved string_dimension CVE image to pillow-depends #4993 + [radarhere] + +- Support raw rgba8888 for DDS #4760 + [qiankanglai] + +8.0.1 (2020-10-22) +------------------ + +- Update FreeType used in binary wheels to 2.10.4 to fix CVE-2020-15999. + [radarhere] + +- Moved string_dimension image to pillow-depends #4993 + [radarhere] + +8.0.0 (2020-10-15) +------------------ + +- Drop support for EOL Python 3.5 #4746, #4794 + [hugovk, radarhere, nulano] + +- Drop support for PyPy3 < 7.2.0 #4964 + [nulano] + +- Remove ImageCms.CmsProfile attributes deprecated since 3.2.0 #4768 + [hugovk, radarhere] + +- Remove long-deprecated Image.py functions #4798 + [hugovk, nulano, radarhere] + +- Add support for 16-bit precision JPEG quantization values #4918 + [gofr] + +- Added reading of IFD tag type #4979 + [radarhere] + +- Initialize offset memory for PyImagingPhotoPut #4806 + [nqbit] + +- Fix TiffDecode comparison warnings #4756 + [nulano] + +- Docs: Add dark mode #4968 + [hugovk, nulano] + +- Added macOS SDK install path to library and include directories #4974 + [radarhere, fxcoudert] + +- Imaging.h: prevent confusion with system #4923 + [ax3l, ,radarhere] + +- Avoid using pkg_resources in PIL.features.pilinfo #4975 + [nulano] + +- Add getlength and getbbox functions for TrueType fonts #4959 + [nulano, radarhere, hugovk] + +- Allow tuples with one item to give single color value in getink #4927 + [radarhere, nulano] + +- Add support for CBDT and COLR fonts #4955 + [nulano, hugovk] + +- Removed OSError in favour of DecompressionBombError for BMP #4966 + [radarhere] + +- Implemented another ellipse drawing algorithm #4523 + [xtsm, radarhere] + +- Removed unused JpegImagePlugin._fixup_dict function #4957 + [radarhere] + +- Added reading and writing of private PNG chunks #4292 + [radarhere] + +- Implement anchor for TrueType fonts #4930 + [nulano, hugovk] + +- Fixed bug in Exif __delitem__ #4942 + [radarhere] + +- Fix crash in ImageTk.PhotoImage on MinGW 64-bit #4946 + [nulano] + +- Moved CVE images to pillow-depends #4929 + [radarhere] + +- Refactor font_getsize and font_render #4910 + [nulano] + +- Fixed loading profile with non-ASCII path on Windows #4914 + [radarhere] + +- Fixed effect_spread bug for zero distance #4908 + [radarhere, hugovk] + +- Added formats parameter to Image.open #4837 + [nulano, radarhere] + +- Added regular_polygon draw method #4846 + [comhar] + +- Raise proper TypeError in putpixel #4882 + [nulano, hugovk] + +- Added writing of subIFDs #4862 + [radarhere] + +- Fix IFDRational __eq__ bug #4888 + [luphord, radarhere] + +- Fixed duplicate variable name #4885 + [liZe, radarhere] + +- Added homebrew zlib include directory #4842 + [radarhere] + +- Corrected inverted PDF CMYK colors #4866 + [radarhere] + +- Do not try to close file pointer if file pointer is empty #4823 + [radarhere] + +- ImageOps.autocontrast: add mask parameter #4843 + [navneeth, hugovk] + +- Read EXIF data tEXt chunk into info as bytes instead of string #4828 + [radarhere] + +- Replaced distutils with setuptools #4797, #4809, #4814, #4817, #4829, #4890 + [hugovk, radarhere] + +- Add MIME type to PsdImagePlugin #4788 + [samamorgan] + +- Allow ImageOps.autocontrast to specify low and high cutoffs separately #4749 + [millionhz, radarhere] + +7.2.0 (2020-07-01) +------------------ + +- Do not convert I;16 images when showing PNGs #4744 + [radarhere] + +- Fixed ICNS file pointer saving #4741 + [radarhere] + +- Fixed loading non-RGBA mode APNGs with dispose background #4742 + [radarhere] + +- Deprecated _showxv #4714 + [radarhere] + +- Deprecate Image.show(command="...") #4646 + [nulano, hugovk, radarhere] + +- Updated JPEG magic number #4707 + [Cykooz, radarhere] + +- Change STRIPBYTECOUNTS to LONG if necessary when saving #4626 + [radarhere, hugovk] + +- Write JFIF header when saving JPEG #4639 + [radarhere] + +- Replaced tiff_jpeg with jpeg compression when saving TIFF images #4627 + [radarhere] + +- Writing TIFF tags: improved BYTE, added UNDEFINED #4605 + [radarhere] + +- Consider transparency when pasting text on an RGBA image #4566 + [radarhere] + +- Added method argument to single frame WebP saving #4547 + [radarhere] + +- Use ImageFileDirectory_v2 in Image.Exif #4637 + [radarhere] + +- Corrected reading EXIF metadata without prefix #4677 + [radarhere] + +- Fixed drawing a jointed line with a sequence of numeric values #4580 + [radarhere] + +- Added support for 1-D NumPy arrays #4608 + [radarhere] + +- Parse orientation from XMP tags #4560 + [radarhere] + +- Speed up text layout by not rendering glyphs #4652 + [nulano] + +- Fixed ZeroDivisionError in Image.thumbnail #4625 + [radarhere] + +- Replaced TiffImagePlugin DEBUG with logging #4550 + [radarhere] + +- Fix repeatedly loading .gbr #4620 + [ElinksFr, radarhere] + +- JPEG: Truncate icclist instead of setting to None #4613 + [homm] + +- Fixes default offset for Exif #4594 + [rodrigob, radarhere] + +- Fixed bug when unpickling TIFF images #4565 + [radarhere] + +- Fix pickling WebP #4561 + [hugovk, radarhere] + +- Replace IOError and WindowsError aliases with OSError #4536 + [hugovk, radarhere] + +7.1.2 (2020-04-25) +------------------ + +- Raise an EOFError when seeking too far in PNG #4528 + [radarhere] + +7.1.1 (2020-04-02) +------------------ + +- Fix regression seeking and telling PNGs #4512 #4514 + [hugovk, radarhere] + +7.1.0 (2020-04-01) +------------------ + +- Fix multiple OOB reads in FLI decoding #4503 + [wiredfool] + +- Fix buffer overflow in SGI-RLE decoding #4504 + [wiredfool, hugovk] + +- Fix bounds overflow in JPEG 2000 decoding #4505 + [wiredfool] + +- Fix bounds overflow in PCX decoding #4506 + [wiredfool] + +- Fix 2 buffer overflows in TIFF decoding #4507 + [wiredfool] + +- Add APNG support #4243 + [pmrowla, radarhere, hugovk] + +- ImageGrab.grab() for Linux with XCB #4260 + [nulano, radarhere] + +- Added three new channel operations #4230 + [dwastberg, radarhere] + +- Prevent masking of Image reduce method in Jpeg2KImagePlugin #4474 + [radarhere, homm] + +- Added reading of earlier ImageMagick PNG EXIF data #4471 + [radarhere] + +- Fixed endian handling for I;16 getextrema #4457 + [radarhere] + +- Release buffer if function returns prematurely #4381 + [radarhere] + +- Add JPEG comment to info dictionary #4455 + [radarhere] + +- Fix size calculation of Image.thumbnail() #4404 + [orlnub123] + +- Fixed stroke on FreeType < 2.9 #4401 + [radarhere] + +- If present, only use alpha channel for bounding box #4454 + [radarhere] + +- Warn if an unknown feature is passed to features.check() #4438 + [jdufresne] + +- Fix Name field length when saving IM images #4424 + [hugovk, radarhere] + +- Allow saving of zero quality JPEG images #4440 + [radarhere] + +- Allow explicit zero width to hide outline #4334 + [radarhere] + +- Change ContainerIO return type to match file object mode #4297 + [jdufresne, radarhere] + +- Only draw each polygon pixel once #4333 + [radarhere] + +- Add support for shooting situation Exif IFD tags #4398 + [alexagv] + +- Handle multiple and malformed JPEG APP13 markers #4370 + [homm] + +- Depends: Update libwebp to 1.1.0 #4342, libjpeg to 9d #4352 + [radarhere] + +7.0.0 (2020-01-02) +------------------ + +- Drop support for EOL Python 2.7 #4109 + [hugovk, radarhere, jdufresne] + +- Fix rounding error on RGB to L conversion #4320 + [homm] + +- Exif writing fixes: Rational boundaries and signed/unsigned types #3980 + [kkopachev, radarhere] + +- Allow loading of WMF images at a given DPI #4311 + [radarhere] + +- Added reduce operation #4251 + [homm] + +- Raise ValueError for io.StringIO in Image.open #4302 + [radarhere, hugovk] + +- Fix thumbnail geometry when DCT scaling is used #4231 + [homm, radarhere] + +- Use default DPI when exif provides invalid x_resolution #4147 + [beipang2, radarhere] + +- Change default resize resampling filter from NEAREST to BICUBIC #4255 + [homm] + +- Fixed black lines on upscaled images with the BOX filter #4278 + [homm] + +- Better thumbnail aspect ratio preservation #4256 + [homm] + +- Add La mode packing and unpacking #4248 + [homm] + +- Include tests in coverage reports #4173 + [hugovk] + +- Handle broken Photoshop data #4239 + [radarhere] + +- Raise a specific exception if no data is found for an MPO frame #4240 + [radarhere] + +- Fix Unicode support for PyPy #4145 + [nulano] + +- Added UnidentifiedImageError #4182 + [radarhere, hugovk] + +- Remove deprecated __version__ from plugins #4197 + [hugovk, radarhere] + +- Fixed freeing unallocated pointer when resizing with height too large #4116 + [radarhere] + +- Copy info in Image.transform #4128 + [radarhere] + +- Corrected DdsImagePlugin setting info gamma #4171 + [radarhere] + +- Depends: Update libtiff to 4.1.0 #4195, Tk Tcl to 8.6.10 #4229, libimagequant to 2.12.6 #4318 + [radarhere] + +- Improve handling of file resources #3577 + [jdufresne] + +- Removed CI testing of Fedora 29 #4165 + [hugovk] + +- Added pypy3 to tox envlist #4137 + [jdufresne] + +- Drop support for EOL PyQt4 and PySide #4108 + [hugovk, radarhere] + +- Removed deprecated setting of TIFF image sizes #4114 + [radarhere] + +- Removed deprecated PILLOW_VERSION #4107 + [hugovk] + +- Changed default frombuffer raw decoder args #1730 + [radarhere] + +6.2.2 (2020-01-02) +------------------ + +- This is the last Pillow release to support Python 2.7 #3642 + +- Overflow checks for realloc for tiff decoding. CVE-2020-5310 + [wiredfool, radarhere] + +- Catch SGI buffer overrun. CVE-2020-5311 + [radarhere] + +- Catch PCX P mode buffer overrun. CVE-2020-5312 + [radarhere] + +- Catch FLI buffer overrun. CVE-2020-5313 + [radarhere] + +- Raise an error for an invalid number of bands in FPX image. CVE-2019-19911 + [wiredfool, radarhere] + +6.2.1 (2019-10-21) +------------------ + +- Add support for Python 3.8 #4141 + [hugovk] + +6.2.0 (2019-10-01) +------------------ + +- Catch buffer overruns #4104 + [radarhere] + +- Initialize rows_per_strip when RowsPerStrip tag is missing #4034 + [cgohlke, radarhere] + +- Raise error if TIFF dimension is a string #4103 + [radarhere] + +- Added decompression bomb checks #4102 + [radarhere] + +- Fix ImageGrab.grab DPI scaling on Windows 10 version 1607+ #4000 + [nulano, radarhere] + +- Corrected negative seeks #4101 + [radarhere] + +- Added argument to capture all screens on Windows #3950 + [nulano, radarhere] + +- Updated warning to specify when Image.frombuffer defaults will change #4086 + [radarhere] + +- Changed WindowsViewer format to PNG #4080 + [radarhere] + +- Use TIFF orientation #4063 + [radarhere] + +- Raise the same error if a truncated image is loaded a second time #3965 + [radarhere] + +- Lazily use ImageFileDirectory_v1 values from Exif #4031 + [radarhere] + +- Improved HSV conversion #4004 + [radarhere] + +- Added text stroking #3978 + [radarhere, hugovk] + +- No more deprecated bdist_wininst .exe installers #4029 + [hugovk] + +- Do not allow floodfill to extend into negative coordinates #4017 + [radarhere] + +- Fixed arc drawing bug for a non-whole number of degrees #4014 + [radarhere] + +- Fix bug when merging identical images to GIF with a list of durations #4003 + [djy0, radarhere] + +- Fix bug in TIFF loading of BufferedReader #3998 + [chadawagner] + +- Added fallback for finding ld on MinGW Cygwin #4019 + [radarhere] + +- Remove indirect dependencies from requirements.txt #3976 + [hugovk] + +- Depends: Update libwebp to 1.0.3 #3983, libimagequant to 2.12.5 #3993, freetype to 2.10.1 #3991 + [radarhere] + +- Change overflow check to use PY_SSIZE_T_MAX #3964 + [radarhere] + +- Report reason for pytest skips #3942 + [hugovk] + +6.1.0 (2019-07-01) +------------------ + +- Deprecate Image.__del__ #3929 + [jdufresne] + +- Tiff: Add support for JPEG quality #3886 + [olt] + +- Respect the PKG_CONFIG environment variable when building #3928 + [chewi] + +- Use explicit memcpy() to avoid unaligned memory accesses #3225 + [DerDakon] + +- Improve encoding of TIFF tags #3861 + [olt] + +- Update Py_UNICODE to Py_UCS4 #3780 + [nulano] + +- Consider I;16 pixel size when drawing #3899 + [radarhere] + +- Add TIFFTAG_SAMPLEFORMAT to blocklist #3926 + [cgohlke, radarhere] + +- Create GIF deltas from background colour of GIF frames if disposal mode is 2 #3708 + [sircinnamon, radarhere] + +- Added ImageSequence all_frames #3778 + [radarhere] + +- Use unsigned int to store TIFF IFD offsets #3923 + [cgohlke] + +- Include CPPFLAGS when searching for libraries #3819 + [jefferyto] + +- Updated TIFF tile descriptors to match current decoding functionality #3795 + [dmnisson] + +- Added an ``image.entropy()`` method (second revision) #3608 + [fish2000] + +- Pass the correct types to PyArg_ParseTuple #3880 + [QuLogic] + +- Fixed crash when loading non-font bytes #3912 + [radarhere] + +- Fix SPARC memory alignment issues in Pack/Unpack functions #3858 + [kulikjak] + +- Added CMYK;16B and CMYK;16N unpackers #3913 + [radarhere] + +- Fixed bugs in calculating text size #3864 + [radarhere] + +- Add __main__.py to output basic format and support information #3870 + [jdufresne] + +- Added variation font support #3802 + [radarhere] + +- Do not down-convert if image is LA when showing with PNG format #3869 + [radarhere] + +- Improve handling of PSD frames #3759 + [radarhere] + +- Improved ICO and ICNS loading #3897 + [radarhere] + +- Changed Preview application path so that it is no longer static #3896 + [radarhere] + +- Corrected ttb text positioning #3856 + [radarhere] + +- Handle unexpected ICO image sizes #3836 + [radarhere] + +- Fixed bits value for RGB;16N unpackers #3837 + [kkopachev] + +- Travis CI: Add Fedora 30, remove Fedora 28 #3821 + [hugovk] + +- Added reading of CMYK;16L TIFF images #3817 + [radarhere] + +- Fixed dimensions of 1-bit PDFs #3827 + [radarhere] + +- Fixed opening mmap image through Path on Windows #3825 + [radarhere] + +- Fixed ImageDraw arc gaps #3824 + [radarhere] + +- Expand GIF to include frames with extents outside the image size #3822 + [radarhere] + +- Fixed ImageTk getimage #3814 + [radarhere] + +- Fixed bug in decoding large images #3791 + [radarhere] + +- Fixed reading APP13 marker without Photoshop data #3771 + [radarhere] + +- Added option to include layered windows in ImageGrab.grab on Windows #3808 + [radarhere] + +- Detect libimagequant when installed by pacman on MingW #3812 + [radarhere] + +- Fixed raqm layout bug #3787 + [radarhere] + +- Fixed loading font with non-Unicode path on Windows #3785 + [radarhere] + +- Travis CI: Upgrade PyPy from 6.0.0 to 7.1.1 #3783 + [hugovk, johnthagen] + +- Depends: Updated openjpeg to 2.3.1 #3794, raqm to 0.7.0 #3877, libimagequant to 2.12.3 #3889 + [radarhere] + +- Fix numpy bool bug #3790 + [radarhere] + +6.0.0 (2019-04-01) +------------------ + +- Python 2.7 support will be removed in Pillow 7.0.0 #3682 + [hugovk] + +- Add EXIF class #3625 + [radarhere] + +- Add ImageOps exif_transpose method #3687 + [radarhere] + +- Added warnings to deprecated CMSProfile attributes #3615 + [hugovk] + +- Documented reading TIFF multiframe images #3720 + [akuchling] + +- Improved speed of opening an MPO file #3658 + [Glandos] + +- Update palette in quantize #3721 + [radarhere] + +- Improvements to TIFF is_animated and n_frames #3714 + [radarhere] + +- Fixed incompatible pointer type warnings #3754 + [radarhere] + +- Improvements to PA and LA conversion and palette operations #3728 + [radarhere] + +- Consistent DPI rounding #3709 + [radarhere] + +- Change size of MPO image to match frame #3588 + [radarhere] + +- Read Photoshop resolution data #3701 + [radarhere] + +- Ensure image is mutable before saving #3724 + [radarhere] + +- Correct remap_palette documentation #3740 + [radarhere] + +- Promote P images to PA in putalpha #3726 + [radarhere] + +- Allow RGB and RGBA values for new P images #3719 + [radarhere] + +- Fixed TIFF bug when seeking backwards and then forwards #3713 + [radarhere] + +- Cache EXIF information #3498 + [Glandos] + +- Added transparency for all PNG greyscale modes #3744 + [radarhere] + +- Fix deprecation warnings in Python 3.8 #3749 + [radarhere] + +- Fixed GIF bug when rewinding to a non-zero frame #3716 + [radarhere] + +- Only close original fp in __del__ and __exit__ if original fp is exclusive #3683 + [radarhere] + +- Fix BytesWarning in Tests/test_numpy.py #3725 + [jdufresne] + +- Add missing MIME types and extensions #3520 + [pirate486743186] + +- Add I;16 PNG save #3566 + [radarhere] + +- Add support for BMP RGBA bitfield compression #3705 + [radarhere] + +- Added ability to set language for text rendering #3693 + [iwsfutcmd] + +- Only close exclusive fp on Image __exit__ #3698 + [radarhere] + +- Changed EPS subprocess stdout from devnull to None #3635 + [radarhere] + +- Add reading old-JPEG compressed TIFFs #3489 + [kkopachev] + +- Add EXIF support for PNG #3674 + [radarhere] + +- Add option to set dither param on quantize #3699 + [glasnt] + +- Add reading of DDS uncompressed RGB data #3673 + [radarhere] + +- Correct length of Tiff BYTE tags #3672 + [radarhere] + +- Add DIB saving and loading through Image open #3691 + [radarhere] + +- Removed deprecated VERSION #3624 + [hugovk] + +- Fix 'BytesWarning: Comparison between bytes and string' in PdfDict #3580 + [jdufresne] + +- Do not resize in Image.thumbnail if already the destination size #3632 + [radarhere] + +- Replace .seek() magic numbers with io.SEEK_* constants #3572 + [jdufresne] + +- Make ContainerIO.isatty() return a bool, not int #3568 + [jdufresne] + +- Add support to all transpose operations for I;16 modes #3563, #3741 + [radarhere] + +- Deprecate support for PyQt4 and PySide #3655 + [hugovk, radarhere] + +- Add TIFF compression codecs: LZMA, Zstd, WebP #3555 + [cgohlke] + +- Fixed pickling of iTXt class with protocol > 1 #3537 + [radarhere] + +- _util.isPath returns True for pathlib.Path objects #3616 + [wbadart] + +- Remove unnecessary unittest.main() boilerplate from test files #3631 + [jdufresne] + +- Exif: Seek to IFD offset #3584 + [radarhere] + +- Deprecate PIL.*ImagePlugin.__version__ attributes #3628 + [jdufresne] + +- Docs: Add note about ImageDraw operations that exceed image bounds #3620 + [radarhere] + +- Allow for unknown PNG chunks after image data #3558 + [radarhere] + +- Changed EPS subprocess stdin from devnull to None #3611 + [radarhere] + +- Fix possible integer overflow #3609 + [cgohlke] + +- Catch BaseException for resource cleanup handlers #3574 + [jdufresne] + +- Improve pytest configuration to allow specific tests as CLI args #3579 + [jdufresne] + +- Drop support for Python 3.4 #3596 + [hugovk] + +- Remove deprecated PIL.OleFileIO #3598 + [hugovk] + +- Remove deprecated ImageOps undocumented functions #3599 + [hugovk] + +- Depends: Update libwebp to 1.0.2 #3602 + [radarhere] + +- Detect MIME types #3525 + [radarhere] + +5.4.1 (2019-01-06) +------------------ + +- File closing: Only close __fp if not fp #3540 + [radarhere] + +- Fix build for Termux #3529 + [pslacerda] + +- PNG: Detect MIME types #3525 + [radarhere] + +- PNG: Handle IDAT chunks after image end #3532 + [radarhere] + +5.4.0 (2019-01-01) +------------------ + +- Docs: Improved ImageChops documentation #3522 + [radarhere] + +- Allow RGB and RGBA values for P image putpixel #3519 + [radarhere] + +- Add APNG extension to PNG plugin #3501 + [pirate486743186, radarhere] + +- Lookup ld.so.cache instead of hardcoding search paths #3245 + [pslacerda] + +- Added custom string TIFF tags #3513 + [radarhere] + +- Improve setup.py configuration #3395 + [diorcety] + +- Read textual chunks located after IDAT chunks for PNG #3506 + [radarhere] + +- Performance: Don't try to hash value if enum is empty #3503 + [Glandos] + +- Added custom int and float TIFF tags #3350 + [radarhere] + +- Fixes for issues reported by static code analysis #3393 + [frenzymadness] + +- GIF: Wait until mode is normalized to copy im.info into encoderinfo #3187 + [radarhere] + +- Docs: Add page of deprecations and removals #3486 + [hugovk] + +- Travis CI: Upgrade PyPy from 5.8.0 to 6.0 #3488 + [hugovk] + +- Travis CI: Allow lint job to fail #3467 + [hugovk] + +- Resolve __fp when closing and deleting #3261 + [radarhere] + +- Close exclusive fp before discarding #3461 + [radarhere] + +- Updated open files documentation #3490 + [radarhere] + +- Added libjpeg_turbo to check_feature #3493 + [radarhere] + +- Change color table index background to tuple when saving as WebP #3471 + [radarhere] + +- Allow arbitrary number of comment extension subblocks #3479 + [radarhere] + +- Ensure previous FLI frame is loaded before seeking to the next #3478 + [radarhere] + +- ImageShow improvements #3450 + [radarhere] + +- Depends: Update libimagequant to 2.12.2 #3442, libtiff to 4.0.10 #3458, libwebp to 1.0.1 #3468, Tk Tcl to 8.6.9 #3465 + [radarhere] + +- Check quality_layers type #3464 + [radarhere] + +- Add context manager, __del__ and close methods to TarIO #3455 + [radarhere] + +- Test: Do not play sound when running screencapture command #3454 + [radarhere] + +- Close exclusive fp on open exception #3456 + [radarhere] + +- Only close existing fp in WebP if fp is exclusive #3418 + [radarhere] + +- Docs: Re-add the downloads badge #3443 + [hugovk] + +- Added negative index to PixelAccess #3406 + [Nazime] + +- Change tuple background to global color table index when saving as GIF #3385 + [radarhere] + +- Test: Improved ImageGrab tests #3424 + [radarhere] + +- Flake8 fixes #3422, #3440 + [radarhere, hugovk] + +- Only ask for YCbCr->RGB libtiff conversion for jpeg-compressed tiffs #3417 + [kkopachev] + +- Optimise ImageOps.fit by combining resize and crop #3409 + [homm] + +5.3.0 (2018-10-01) +------------------ + +- Changed Image size property to be read-only by default #3203 + [radarhere] + +- Add warnings if image file identification fails due to lack of WebP support #3169 + [radarhere, hugovk] + +- Hide the Ghostscript progress dialog popup on Windows #3378 + [hugovk] + +- Adding support to reading tiled and YcbCr jpeg tiffs through libtiff #3227 + [kkopachev] + +- Fixed None as TIFF compression argument #3310 + [radarhere] + +- Changed GIF seek to remove previous info items #3324 + [radarhere] + +- Improved PDF document info #3274 + [radarhere] + +- Add line width parameter to rectangle and ellipse-based shapes #3094 + [hugovk, radarhere] + +- Fixed decompression bomb check in _crop #3313 + [dinkolubina, hugovk] + +- Added support to ImageDraw.floodfill for non-RGB colors #3377 + [radarhere] + +- Tests: Avoid catching unexpected exceptions in tests #2203 + [jdufresne] + +- Use TextIOWrapper.detach() instead of NoCloseStream #2214 + [jdufresne] + +- Added transparency to matrix conversion #3205 + [radarhere] + +- Added ImageOps pad method #3364 + [radarhere] + +- Give correct extrema for I;16 format images #3359 + [bz2] + +- Added PySide2 #3279 + [radarhere] + +- Corrected TIFF tags #3369 + [radarhere] + +- CI: Install CFFI and pycparser without any PYTHONOPTIMIZE #3374 + [hugovk] + +- Read/Save RGB webp as RGB (instead of RGBX) #3298 + [kkopachev] + +- ImageDraw: Add line joints #3250 + [radarhere] + +- Improved performance of ImageDraw floodfill method #3294 + [yo1995] + +- Fix builds with --parallel #3272 + [hsoft] + +- Add more raw Tiff modes (RGBaX, RGBaXX, RGBAX, RGBAXX) #3335 + [homm] + +- Close existing WebP fp before setting new fp #3341 + [radarhere] + +- Add orientation, compression and id_section as TGA save keyword arguments #3327 + [radarhere] + +- Convert int values of RATIONAL TIFF tags to floats #3338 + [radarhere, wiredfool] + +- Fix code for PYTHONOPTIMIZE #3233 + [hugovk] + +- Changed ImageFilter.Kernel to subclass ImageFilter.BuiltinFilter, instead of the other way around #3273 + [radarhere] + +- Remove unused draw.draw_line, draw.draw_point and font.getabc methods #3232 + [hugovk] + +- Tests: Added ImageFilter tests #3295 + [radarhere] + +- Tests: Added ImageChops tests #3230 + [hugovk, radarhere] + +- AppVeyor: Download lib if not present in pillow-depends #3316 + [radarhere] + +- Travis CI: Add Python 3.7 and Xenial #3234 + [hugovk] + +- Docs: Added documentation for NumPy conversion #3301 + [radarhere] + +- Depends: Update libimagequant to 2.12.1 #3281 + [radarhere] + +- Add three-color support to ImageOps.colorize #3242 + [tsennott] + +- Tests: Add LA to TGA test modes #3222 + [danpla] + +- Skip outline if the draw operation fills with the same colour #2922 + [radarhere] + +- Flake8 fixes #3173, #3380 + [radarhere] + +- Avoid deprecated 'U' mode when opening files #2187 + [jdufresne] + +5.2.0 (2018-07-01) +------------------ + +- Fixed saving a multiframe image as a single frame PDF #3137 + [radarhere] + +- If a Qt version is already imported, attempt to use it first #3143 + [radarhere] + +- Fix transform fill color for alpha images #3147 + [fozcode] + +- TGA: Add support for writing RLE data #3186 + [danpla] + +- TGA: Read and write LA data #3178 + [danpla] + +- QuantOctree.c: Remove erroneous attempt to average over an empty range #3196 + [tkoeppe] + +- Changed ICNS format tests to pass on OS X 10.11 #3202 + [radarhere] + +- Fixed bug in ImageDraw.multiline_textsize() #3114 + [tianyu139] + +- Added getsize_multiline support for PIL.ImageFont #3113 + [tianyu139] + +- Added ImageFile get_format_mimetype method #3190 + [radarhere] + +- Changed mmap file pointer to use context manager #3216 + [radarhere] + +- Changed ellipse point calculations to be more evenly distributed #3142 + [radarhere] + +- Only extract first Exif segment #2946 + [hugovk] + +- Tests: Test ImageDraw2, WalImageFile #3135, #2989 + [hugovk] + +- Remove unnecessary '#if 0' code #3075 + [hugovk] + +- Tests: Added GD tests #1817 + [radarhere] + +- Fix collections ABCs DeprecationWarning in Python 3.7 #3123 + [hugovk] + +- unpack_from is faster than unpack of slice #3201 + [landfillbaby] + +- Docs: Add coordinate system links and file handling links in documentation #3204, #3214 + [radarhere] + +- Tests: TestFilePng: Fix test_save_l_transparency() #3182 + [danpla] + +- Docs: Correct argument name #3171 + [radarhere] + +- Docs: Update CMake download URL #3166 + [radarhere] + +- Docs: Improve Image.transform documentation #3164 + [radarhere] + +- Fix transform fillcolor argument when image mode is RGBA or LA #3163 + [radarhere] + +- Tests: More specific Exception testing #3158 + [radarhere] + +- Add getrgb HSB/HSV color strings #3148 + [radarhere] + +- Allow float values in getrgb HSL color string #3146 + [radarhere] + +- AppVeyor: Upgrade to Python 2.7.15 and 3.4.4 #3140 + [radarhere] + +- AppVeyor: Upgrade to PyPy 6.0.0 #3133 + [hugovk] + +- Deprecate PILLOW_VERSION and VERSION #3090 + [hugovk] + +- Support Python 3.7 #3076 + [hugovk] + +- Depends: Update freetype to 2.9.1, libjpeg to 9c, libwebp to 1.0.0 #3121, #3136, #3108 + [radarhere] + +- Build macOS wheels with Xcode 6.4, supporting older macOS versions #3068 + [wiredfool] + +- Fix _i2f compilation on some GCC versions #3067 + [homm] + +- Changed encoderinfo to have priority over info when saving GIF images #3086 + [radarhere] + +- Rename PIL.version to PIL._version and remove it from module #3083 + [homm] + +- Enable background colour parameter on rotate #3057 + [storesource] + +- Remove unnecessary ``#if 1`` directive #3072 + [jdufresne] + +- Remove unused Python class, Path #3070 + [jdufresne] + +- Fix dereferencing type-punned pointer will break strict-aliasing #3069 + [jdufresne] + +5.1.0 (2018-04-02) +------------------ + +- Close fp before return in ImagingSavePPM #3061 + [kathryndavies] + +- Added documentation for ICNS append_images #3051 + [radarhere] + +- Docs: Move intro text below its header #3021 + [hugovk] + +- CI: Rename appveyor.yml as .appveyor.yml #2978 + [hugovk] + +- Fix TypeError for JPEG2000 parser feed #3042 + [hugovk] + +- Certain corrupted jpegs can result in no data read #3023 + [kkopachev] + +- Add support for BLP file format #3007 + [jleclanche] + +- Simplify version checks #2998 + [hugovk] + +- Fix "invalid escape sequence" warning on Python 3.6+ #2996 + [timgraham] + +- Allow append_images to set .icns scaled images #3005 + [radarhere] + +- Support appending to existing PDFs #2965 + [vashek] + +- Fix and improve efficient saving of ICNS on macOS #3004 + [radarhere] + +- Build: Enable pip cache in AppVeyor build #3009 + [thijstriemstra] + +- Trim trailing whitespace #2985 + [Metallicow] + +- Docs: Correct reference to Image.new method #3000 + [radarhere] + +- Rearrange ImageFilter classes into alphabetical order #2990 + [radarhere] + +- Test: Remove duplicate line #2983 + [radarhere] + +- Build: Update AppVeyor PyPy version #3003 + [radarhere] + +- Tiff: Open 8 bit Tiffs with 5 or 6 channels, discarding extra channels #2938 + [homm] + +- Readme: Added Twitter badge #2930 + [hugovk] + +- Removed __main__ code from ImageCms #2942 + [radarhere] + +- Test: Changed assert statements to unittest calls #2961 + [radarhere] + +- Depends: Update libimagequant to 2.11.10, raqm to 0.5.0, freetype to 2.9 #3036, #3017, #2957 + [radarhere] + +- Remove _imaging.crc32 in favor of builtin Python crc32 implementation #2935 + [wiredfool] + +- Move Tk directory to src directory #2928 + [hugovk] + +- Enable pip cache in Travis CI #2933 + [jdufresne] + +- Remove unused and duplicate imports #2927 + [radarhere] + +- Docs: Changed documentation references to 2.x to 2.7 #2921 + [radarhere] + +- Fix memory leak when opening webp files #2974 + [wiredfool] + +- Setup: Fix "TypeError: 'NoneType' object is not iterable" for PPC and CRUX #2951 + [hugovk] + +- Setup: Add libdirs for ppc64le and armv7l #2968 + [nehaljwani] + +5.0.0 (2018-01-01) +------------------ + +- Docs: Added docstrings from documentation #2914 + [radarhere] + +- Test: Switch from nose to pytest #2815 + [hugovk] + +- Rework Source directory layout, preventing accidental import of PIL. #2911 + [wiredfool] + +- Dynamically link libraqm #2753 + [wiredfool] + +- Removed scripts directory #2901 + [wiredfool] + +- TIFF: Run all compressed tiffs through libtiff decoder #2899 + [wiredfool] + +- GIF: Add disposal option when saving GIFs #2902 + [linnil1, wiredfool] + +- EPS: Allow for an empty line in EPS header data #2903 + [radarhere] + +- PNG: Add support for sRGB and cHRM chunks, permit sRGB when no iCCP chunk present #2898 + [wiredfool] + +- Dependencies: Update Tk Tcl to 8.6.8 #2905 + [radarhere] + +- Decompression bomb error now raised for images 2x larger than a decompression bomb warning #2583 + [wiredfool] + +- Test: avoid random failure in test_effect_noise #2894 + [hugovk] + +- Increased epsilon for test_file_eps.py:test_showpage due to Arch update. #2896 + [wiredfool] + +- Removed check parameter from _save in BmpImagePlugin, PngImagePlugin, ImImagePlugin, PalmImagePlugin, and PcxImagePlugin. #2873 + [radarhere] + +- Make PngImagePlugin.add_text() zip argument type bool #2890 + [jdufresne] + +- Depends: Updated libwebp to 0.6.1 #2880 + [radarhere] + +- Remove unnecessary bool() calls in Image.registered_extensions and skipKnownBadTests #2891 + [jdufresne] + +- Fix count of BITSPERSAMPLE items in broken TIFF files #2883 + [homm] + +- Fillcolor parameter for Image.Transform #2852 + [wiredfool] + +- Test: Display differences for test failures #2862 + [wiredfool] + +- Added executable flag to file with shebang line #2884 + [radarhere] + +- Setup: Specify compatible Python versions for pip #2877 + [hugovk] + +- Dependencies: Updated libimagequant to 2.11.4 #2878 + [radarhere] + +- Setup: Warn if trying to install for Py3.7 on Windows #2855 + [hugovk] + +- Doc: Fonts can be loaded from a file-like object, not just filename #2861 + [robin-norwood] + +- Add eog support for Ubuntu Image Viewer #2864 + [NafisFaysal] + +- Test: Test on 3.7-dev on Travis CI #2870 + [hugovk] + +- Dependencies: Update libtiff to 4.0.9 #2871 + [radarhere] + +- Setup: Replace deprecated platform.dist with file existence check #2869 + [wiredfool] + +- Build: Fix setup.py on Debian #2853 + [wiredfool] + +- Docs: Correct error in ImageDraw documentation #2858 + [meribold] + +- Test: Drop Ubuntu Precise, Fedora 24, Fedora 25, add Fedora 27, Centos 7, Amazon v2 CI Support #2854, #2843, #2895, #2897 + [wiredfool] + +- Dependencies: Updated libimagequant to 2.11.3 #2849 + [radarhere] + +- Test: Fix test_image.py to use tempfile #2841 + [radarhere] + +- Replace PIL.OleFileIO deprecation warning with descriptive ImportError #2833 + [hugovk] + +- WebP: Add support for animated WebP files #2761 + [jd20] + +- PDF: Set encoderinfo for images when saving multi-page PDF. Fixes #2804. #2805 + [ixio] + +- Allow the olefile dependency to be optional #2789 + [jdufresne] + +- GIF: Permit LZW code lengths up to 12 bits in GIF decode #2813 + [wiredfool] + +- Fix unterminated string and unchecked exception in _font_text_asBytes. #2825 + [wiredfool] + +- PPM: Use fixed list of whitespace, rather relying on locale, fixes #272. #2831 + [markmiscavage] + +- Added support for generators when using append_images #2829, #2835 + [radarhere] + +- Doc: Correct PixelAccess.rst #2824 + [hasahmed] + +- Depends: Update raqm to 0.3.0 #2822 + [radarhere] + +- Docs: Link to maintained version of aggdraw #2809 + [hugovk] + +- Include license file in the generated wheel packages #2801 + [jdufresne] + +- Depends: Update openjpeg to 2.3.0 #2791 + [radarhere] + +- Add option to Makefile to build and install with C coverage #2781 + [hugovk] + +- Add context manager support to ImageFile.Parser and PngImagePlugin.ChunkStream #2793 + [radarhere] + +- ImageDraw.textsize: fix zero length error #2788 + [wiredfool, hugovk] + +4.3.0 (2017-10-02) +------------------ + +- Fix warning on pointer cast in isblock #2775, #2778 + [cgohlke] + +- Doc: Added macOS High Sierra tested Pillow version #2777 + [radarhere] + +- Use correct Windows handle type on 64 bit in imagingcms #2774 + [cgohlke] + +- 64 Bit Windows fix for block storage #2773 + [cgohlke] + +- Fix "expression result unused" warning #2764 + [radarhere] + +- Add 16bit Read/Write and RLE read support to SgiImageFile #2769 + [jbltx, wiredfool] + +- Block & array hybrid storage #2738 + [homm] + +- Common seek frame position check #1849 + [radarhere] + +- Doc: Add note about aspect ratio to Image thumbnail script #2281 + [wilsonge] + +- Fix ValueError: invalid version number '1.0.0rc1' in scipy release candidate #2771 + [cgohlke] + +- Unfreeze requirements.txt #2766 + [hugovk] + +- Test: ResourceWarning tests #2756 + [hugovk] + +- Use n_frames to determine is_animated if possible #2315 + [radarhere] + +- Doc: Corrected parameters in documentation #2768 + [radarhere] + +- Avoid unnecessary Image operations #1891 + [radarhere] + +- Added register_extensions method #1860 + [radarhere] + +- Fix TIFF support for I;16S, I;16BS, and I;32BS rawmodes #2748 + [wiredfool] + +- Fixed doc syntax in ImageDraw #2752 + [radarhere] + +- Fixed support for building on Windows/msys2. Added Appveyor CI coverage for python3 on msys2 #2746 + [wiredfool] + +- Fix ValueError in Exif/Tiff IFD #2719 + [wiredfool] + +- Use pathlib2 for Path objects on Python < 3.4 #2291 + [asergi] + +- Export only required properties in unsafe_ptrs #2740 + [homm] + +- Alpha composite fixes #2709 + [homm] + +- Faster Transpose operations, added 'Transverse' option #2730 + [homm] + +- Deprecate ImageOps undocumented functions gaussian_blur, gblur, unsharp_mask, usm and box_blur in favor of ImageFilter implementations #2735 + [homm] + +- Dependencies: Updated freetype to 2.8.1 #2741 + [radarhere] + +- Bug: Player skipped first image #2742 + [radarhere] + +- Faster filter operations for Kernel, Gaussian, and Unsharp Mask filters #2679 + [homm] + +- EPS: Add showpage to force rendering of some EPS images #2636 + [kaplun] + +- DOC: Fix type of palette parameter in Image.quantize. #2703 + [kkopachev] + +- DOC: Fix Ico docs to match code #2712 + [hugovk] + +- Added file pointer save to SpiderImagePlugin #2647 + [radarhere] + +- Add targa version 2 footer #2713 + [jhultgre] + +- Removed redundant lines #2714 + [radarhere] + +- Travis CI: Use default pypy/pypy3 #2721 + [hugovk] + +- Fix for SystemError when rendering an empty string, added in 4.2.0 #2706 + [wiredfool] + +- Fix for memory leaks in font handling added in 4.2.0 #2634 + [wiredfool] + +- Tests: cleanup, more tests. Fixed WMF save handler #2689 + [radarhere] + +- Removed debugging interface for Image.core.grabclipboard #2708 + [radarhere] + +- Doc syntax fix #2710 + [radarhere] + +- Faster packing and unpacking for RGB, LA, and related storage modes #2693 + [homm] + +- Use RGBX rawmode for RGB JPEG images where possible #1989 + [homm] + +- Remove palettes from non-palette modes in _new #2704 + [wiredfool] + +- Delete transparency info when convert'ing RGB/L to RGBA #2633 + [olt] + +- Code tweaks to ease type annotations #2687 + [neiljp] + +- Fixed incorrect use of 's#' to byteslike object #2691 + [wiredfool] + +- Fix JPEG subsampling labels for subsampling=2 #2698 + [homm] + +- Region of interest (box) for resampling #2254 + [homm] + +- Basic support for Termux (android) in setup.py #2684 + [wiredfool] + +- Bug: Fix Image.fromarray for numpy.bool type. #2683 + [wiredfool] + +- CI: Add Fedora 24 and 26 to Docker tests + [wiredfool] + +- JPEG: Fix ZeroDivisionError when EXIF contains invalid DPI (0/0). #2667 + [vytisb] + +- Depends: Updated openjpeg to 2.2.0 #2669 + [radarhere] + +- Depends: Updated Tk Tcl to 8.6.7 #2668 + [radarhere] + +- Depends: Updated libimagequant to 2.10.2 #2660 + [radarhere] + +- Test: Added test for ImImagePlugin tell() #2675 + [radarhere] + +- Test: Additional tests for SGIImagePlugin #2659 + [radarhere] + +- New Image.getchannel method #2661 + [homm] + +- Remove unused im.copy2 and core.copy methods #2657 + [homm] + +- Fast Image.merge() #2677 + [homm] + +- Fast Image.split() #2676 + [homm] + +- Fast image allocation #2655 + [homm] + +- Storage cleanup #2654 + [homm] + +- FLI: Use frame count from FLI header #2674 + [radarhere] + +- Test: Test animated FLI file #2650 + [hugovk] + +- Bug: Fixed uninitialized memory in bc5 decoding #2648 + [ifeherva] + +- Moved SgiImagePlugin save error to before the start of write operations #2646 + [radarhere] + +- Move createfontdatachunk.py so isn't installed globally #2645 + [hugovk] + +- Bug: Fix unexpected keyword argument 'align' #2641 + [hugovk] + +- Add newlines to error message for clarity #2640 + [hugovk] + +- Docs: Updated redirected URL #2637 + [radarhere] + +- Bug: Fix JPEG DPI when EXIF is invalid #2632 + [wiredfool] + +- Bug: Fix for font getsize on empty string #2624 + [radarhere] + +- Docs: Improved ImageDraw documentation #2626 + [radarhere] + +- Docs: Corrected alpha_composite args documentation #2627 + [radarhere] + +- Docs: added the description of the filename attribute to images.rst #2621 + [dasdachs] + +- Dependencies: Updated libimagequant to 2.10.1 #2616 + [radarhere] + +- PDF: Renamed parameter to not shadow built-in dict #2612 + [kijeong] + +4.2.1 (2017-07-06) +------------------ + +- CI: Fix version specification and test on CI for PyPy/Windows #2608 + [wiredfool] + +4.2.0 (2017-07-01) +------------------ + +- Doc: Clarified Image.save:append_images documentation #2604 + [radarhere] + +- CI: Amazon Linux and Centos6 docker images added to Travis CI #2585 + [wiredfool] + +- Image.alpha_composite added #2595 + [wiredfool] + +- Complex Text Support #2576 + [ShamsaHamed, Fahad-Alsaidi, wiredfool] + +- Added threshold parameter to ImageDraw.floodfill #2599 + [nediamond] + +- Added dBATCH parameter to ghostscript command #2588 + [radarhere] + +- JPEG: Adjust buffer size when icc_profile > MAXBLOCK #2596 + [Darou] + +- Specify Pillow Version in one place #2517 + [wiredfool] + +- CI: Change the owner of the TRAVIS_BUILD_DIR, fixing broken docker runs #2587 + [wiredfool] + +- Fix truncated PNG loading for some images, Fix memory leak on truncated PNG images. #2541, #2598 + [homm] + +- Add decompression bomb check to Image.crop #2410 + [wiredfool] + +- ImageFile: Ensure that the ``err_code`` variable is initialized in case of exception. #2363 + [alexkiro] + +- Tiff: Support append_images for saving multipage TIFFs #2406 + [blochl] + +- Doc: Clarify that draft is only implemented for JPEG and PCD #2409 + [wiredfool] + +- Test: MicImagePlugin #2447 + [hugovk] + +- Use round() instead of floor() to eliminate zero coefficients in resample #2558 + [homm] + +- Remove deprecated code #2549 + [hugovk] + +- Added append_images to PDF saving #2526 + [radarhere] + +- Remove unused function core image function new_array #2548 + [hugovk] + +- Remove unnecessary calls to dict.keys() #2551 + [jdufresne] + +- Add more ImageDraw.py tests and remove unused Draw.c code #2533 + [hugovk] + +- Test: More tests for ImageMorph #2554 + [hugovk] + +- Test: McIDAS area file #2552 + [radarhere] + +- Update Feature Detection #2520 + [wiredfool] + +- CI: Update pypy on Travis CI #2573 + [hugovk] + +- ImageMorph: Fix wrong expected size of MRLs read from disk #2561 + [dov] + +- Docs: Update install docs for FreeBSD #2546 + [wiredfool] + +- Build: Ignore OpenJpeg 1.5 on FreeBSD #2544 + [melvyn-sopacua] + +- Remove 'not yet implemented' methods from PIL 1.1.4 #2538 + [hugovk] + +- Dependencies: Update FreeType to 2.8, LibTIFF to 4.0.8 and libimagequant to 2.9.1 #2535 #2537 #2540 + [radarhere] + +- Raise TypeError and not also UnboundLocalError in ImageFile.Parser() #2525 + [joshblum] + +- Test: Use Codecov for coverage #2528 + [hugovk] + +- Use PNG for Image.show() #2527 + [HinTak, wiredfool] + +- Remove WITH_DEBUG compilation flag #2522 + [wiredfool] + +- Fix return value on parameter parse error in _webp.c #2521 + [adw1n] + +- Set executable flag on scripts with shebang line #2295 + [radarhere] + +- Flake8 #2460 + [radarhere] + +- Doc: Release Process Changes #2516 + [wiredfool] + +- CI: Added region for s3 deployment on appveyor #2515 + [wiredfool] + +- Doc: Updated references to point to existing files #2507 + [radarhere] + +- Return copy on Image crop if crop dimensions match the image #2471 + [radarhere] + +- Test: Optimize CI speed #2464, #2466 + [hugovk] + +4.1.1 (2017-04-28) +------------------ + +- Undef PySlice_GetIndicesEx, see https://bugs.python.org/issue29943 #2493 + [cgohlke] + +- Fix for file with DPI in EXIF but not metadata, and XResolution is an int rather than tuple #2484 + [hugovk] + +- Docs: Removed broken download counter badge #2487 + [hugovk] + +- Docs: Fixed rst syntax error #2477 + [thebjorn] + +4.1.0 (2017-04-03) +------------------ + +- Close files after loading if possible #2330 + [homm, wiredfool] + +- Fix Image Access to be reloadable when embedding the Python interpreter #2296 + [wiredfool, cgohlke] + +- Fetch DPI from EXIF if not specified in JPEG header #2449, #2472 + [hugovk] + +- Removed winbuild checksum verification #2468 + [radarhere] + +- Git: Set ContainerIO test file as binary #2469 + [cgohlke] + +- Remove superfluous import of FixTk #2455 + [cgohlke) + +- Fix import of tkinter/Tkinter #2456 + [cgohlke) + +- Pure Python Decoders, including Python decoder to fix for MSP images #1938 + [wiredfool, hugovk] + +- Reorganized GifImagePlugin, fixes #2314. #2374 + [radarhere, wiredfool] + +- Doc: Reordered operating systems in Compatibility Matrix #2436 + [radarhere] + +- Test: Additional tests for BufrStub, Eps, Container, GribStub, IPTC, Wmf, XVThumb, ImageDraw, ImageMorph, ImageShow #2425 + [radarhere] + +- Health fixes #2437 + [radarhere] + +- Test: Correctness tests ContainerIO, XVThumbImagePlugin, BufrStubImagePlugin, GribStubImagePlugin, FitsStubImagePlugin, Hdf5StubImagePlugin, PixarImageFile, PsdImageFile #2443, #2442, #2441, #2440, #2431, #2430, #2428, #2427 + [hugovk] + +- Remove unused imports #1822 + [radarhere] + +- Replaced KeyError catch with dictionary get method #2424 + [radarhere] + +- Test: Removed unrunnable code in test_image_toqimage #2415 + [hugovk] + +- Removed use of spaces in TIFF kwargs names, deprecated in 2.7 #1390 + [radarhere] + +- Removed deprecated ImageDraw setink, setfill, setfont methods #2220 + [jdufresne] + +- Send unwanted subprocess output to /dev/null #2253 + [jdufresne] + +- Fix division by zero when creating 0x0 image from numpy array #2419 + [hugovk] + +- Test: Added matrix convert tests #2381 + [hugovk] + +- Replaced broken URL to partners.adobe.com #2413 + [radarhere] + +- Removed unused private functions in setup.py and build_dep.py #2414 + [radarhere] + +- Test: Fixed Qt tests for QT5 and saving 1 bit PNG #2394 + [wiredfool] + +- Test: docker builds for Arch and Debian Stretch #2394 + [wiredfool] + +- Updated libwebp to 0.6.0 on appveyor #2395 + [radarhere] + +- More explicit error message when saving to a file with invalid extension #2399 + [ces42] + +- Docs: Update some http urls to https #2403 + [hugovk] + +- Preserve aux/alpha channels when performing Imagecms transforms #2355 + [gunjambi] + +- Test linear and radial gradient effects #2382 + [hugovk] + +- Test ImageDraw.Outline and and ImageDraw.Shape #2389 + [hugovk] + +- Added PySide to ImageQt documentation #2392 + [radarhere] + +- BUG: Empty image mode no longer causes a crash #2380 + [evalapply] + +- Exclude .travis and contents from manifest #2386 + [radarhere] + +- Remove 'MIT-like' from license #2145 + [wiredfool] + +- Tests: Add tests for several Image operations #2379 + [radarhere] + +- PNG: Moved iCCP chunk before PLTE chunk when saving as PNG, restricted chunks known value/ordering #2347 + [radarhere] + +- Default to inch-interpretation for missing ResolutionUnit in TiffImagePlugin #2365 + [lambdafu] + +- Bug: Fixed segfault when using ImagingTk on pypy Issue #2376, #2359. + [wiredfool] + +- Bug: Fixed Integer overflow using ImagingTk on 32 bit platforms #2359 + [wiredfool, QuLogic] + +- Tests: Added docker images for testing alternate platforms. See also https://github.com/python-pillow/docker-images. #2368 + [wiredfool] + +- Removed PIL 1.0 era TK readme that concerns Windows 95/NT #2360 + [wiredfool] + +- Prevent ``nose -v`` printing docstrings #2369 + [hugovk] + +- Replaced absolute PIL imports with relative imports #2349 + [radarhere] + +- Added context managers for file handling #2307 + [radarhere] + +- Expose registered file extensions in Image #2343 + [iggomez, radarhere] + +- Make mode descriptor cache initialization thread-safe. #2351 + [gunjambi] + +- Updated Windows test dependencies: Freetype 2.7.1, zlib 1.2.11 #2331, #2332, #2357 + [radarhere] + +- Followed upstream pngquant packaging reorg to libimagquant #2354 + [radarhere] + +- Fix invalid string escapes #2352 + [hugovk] + +- Add test for crop operation with no argument #2333 + [radarhere] + +4.0.0 (2017-01-01) +------------------ + +- Refactor out postprocessing hack to load_end in PcdImageFile + [wiredfool] + +- Add center and translate option to Image.rotate. #2328 + [lambdafu] + +- Test: Relax WMF test condition, fixes #2323. #2327 + [wiredfool] + +- Allow 0 size images, Fixes #2259, Reverts to pre-3.4 behavior. #2262 + [wiredfool] + +- SGI: Save uncompressed SGI/BW/RGB/RGBA files #2325 + [jbltx] + +- Depends: Updated pngquant to 2.8.2 #2319 + [radarhere] + +- Test: Added correctness tests for opening SGI images #2324 + [wiredfool] + +- Allow passing a list or tuple of individual frame durations when saving a GIF #2298 + [Xdynix] + +- Unified different GIF optimize conditions #2196 + [radarhere] + +- Build: Refactor dependency installation #2305 + [hugovk] + +- Test: Add python 3.6 to travis, tox #2304 + [hugovk] + +- Test: Fix coveralls coverage for Python+C #2300 + [hugovk] + +- Remove executable bit and shebang from OleFileIO.py #2308 + [jwilk, radarhere] + +- PyPy: Buffer interface workaround #2294 + [wiredfool] + +- Test: Switch to Ubuntu Trusty 14.04 on Travis CI #2294 + +- Remove vendored version of olefile Python package in favor of upstream #2199 + [jdufresne] + +- Updated comments to use print as a function #2234 + [radarhere] + +- Set executable flag on selftest.py, setup.py and added shebang line #2282, #2277 + [radarhere, homm] + +- Test: Increase epsilon for FreeType 2.7 as rendering is slightly different. #2286 + [hugovk] + +- Test: Faster assert_image_similar #2279 + [homm] + +- Removed deprecated internal "stretch" method #2276 + [homm] + +- Removed the handles_eof flag in decode.c #2223 + [wiredfool] + +- Tiff: Fix for writing Tiff to BytesIO using libtiff #2263 + [wiredfool] + +- Doc: Design docs #2269 + [wiredfool] + +- Test: Move tests requiring libtiff to test_file_libtiff #2273 + [wiredfool] + +- Update Maxblock heuristic #2275 + [wiredfool] + +- Fix for 2-bit palette corruption #2274 + [pdknsk, wiredfool] + +- Tiff: Update info.icc_profile when using libtiff reader. #2193 + [lambdafu] + +- Test: Fix bug in test_ifd_rational_save when libtiff is not available #2270 + [ChristopherHogan] + +- ICO: Only save relevant sizes #2267 + [hugovk] + +- ICO: Allow saving .ico files of 256x256 instead of 255x255 #2265 + [hugovk] + +- Fix TIFFImagePlugin ICC color profile saving. #2087 + [cskau] + +- Doc: Improved description of ImageOps.deform resample parameter #2256 + [radarhere] + +- EMF: support negative bounding box coordinates #2249 + [glexey] + +- Close file if opened in WalImageFile #2216 + [radarhere] + +- Use Image._new() instead of _makeself() #2248 + [homm] + +- SunImagePlugin fixes #2241 + [wiredfool] + +- Use minimal scale for jpeg drafts #2240 + [homm] + +- Updated dependency scripts to use FreeType 2.7, OpenJpeg 2.1.2, WebP 0.5.2 and Tcl/Tk 8.6.6 #2235, #2236, #2237, #2290, #2302 + [radarhere] + +- Fix "invalid escape sequence" bytestring warnings in Python 3.6 #2186 + [timgraham] + +- Removed support for Python 2.6 and Python 3.2 #2192 + [jdufresne] + +- Setup: Raise custom exceptions when required/requested dependencies are not found #2213 + [wiredfool] + +- Use a context manager in FontFile.save() to ensure file is always closed #2226 + [jdufresne] + +- Fixed bug in saving to fp-objects in Python >= 3.4 #2227 + [radarhere] + +- Use a context manager in ImageFont._load_pilfont() to ensure file is always closed #2232 + [jdufresne] + +- Use generator expressions instead of list comprehension #2225 + [jdufresne] + +- Close file after reading in ImagePalette.load() #2215 + [jdufresne] + +- Changed behaviour of default box argument for paste method to match docs #2211 + [radarhere] + +- Add support for another BMP bitfield #2221 + [jmerdich] + +- Added missing top-level test __main__ #2222 + [radarhere] + +- Replaced range(len()) #2197 + [radarhere] + +- Fix for ImageQt Segfault, fixes #1370 #2182 + [wiredfool] + +- Setup: Close file in setup.py after finished reading #2208 + [jdufresne] + +- Setup: optionally use pkg-config (when present) to detect dependencies #2074 + [garbas] + +- Search for tkinter first in builtins #2210 + [matthew-brett] + +- Tests: Replace try/except/fail pattern with TestCase.assertRaises() #2200 + [jdufresne] + +- Tests: Remove unused, open files at top level of tests #2188 + [jdufresne] + +- Replace type() equality checks with isinstance #2184 + [jdufresne] + +- Doc: Move ICO out of the list of read-only file formats #2180 + [alexwlchan] + +- Doc: Fix formatting, too-short title underlines and malformed table #2175 + [hugovk] + +- Fix BytesWarnings #2172 + [jdufresne] + +- Use Integer division to eliminate deprecation warning. #2168 + [mastermatt] + +- Doc: Update compatibility matrix + [daavve, wiredfool] + + +3.4.2 (2016-10-18) +------------------ + +- Fix Resample coefficient calculation #2162 + [homm] + + +3.4.1 (2016-10-04) +------------------ + +- Allow lists as arguments for Image.new() #2149 + [homm] + +- Fix fix for map.c overflow #2151 (also in 3.3.3) + [wiredfool] + 3.4.0 (2016-10-03) ------------------ @@ -30,10 +2794,10 @@ Changelog (Pillow) - Force reloading palette when using mmap in ImageFile. #2139 [lambdafu] - + - Fix "invalid escape sequence" warning in Python 3.6 #2136 [timgraham] - + - Update documentation about drafts #2137 [radarhere] @@ -42,10 +2806,10 @@ Changelog (Pillow) - Fixed typos #2128 #2142 [radarhere] - + - Renamed references to OS X to macOS #2125 2130 [radarhere] - + - Use truth value when checking for progressive and optimize option on save #2115, #2129 [radarhere] @@ -55,7 +2819,7 @@ Changelog (Pillow) - Added append_images parameter to GIF saving #2103 [radarhere] -- Speedup paste with masks up to 80% #2015 +- Speedup paste with masks up to 80% #2015 [homm] - Rewrite DDS decoders in C, add DXT3 and BC7 decoders #2068 @@ -127,13 +2891,19 @@ Changelog (Pillow) - Retain a reference to core image object in PyAccess #2009 [homm] +3.3.3 (2016-10-04) +------------------ + +- Fix fix for map.c overflow #2151 + [wiredfool] + 3.3.2 (2016-10-03) ------------------ -- Fix negative image sizes in Storage.c #2105 +- Fix negative image sizes in Storage.c #2146 [wiredfool] - -- Fix integer overflow in map.c #2105 + +- Fix integer overflow in map.c #2146 [wiredfool] 3.3.1 (2016-08-18) @@ -205,7 +2975,7 @@ Changelog (Pillow) - Changed depends/install_*.sh urls to point to github pillow-depends repo #1983 [wiredfool] -- Allow ICC profile from `encoderinfo` while saving PNGs #1909 +- Allow ICC profile from ``encoderinfo`` while saving PNGs #1909 [homm] - Fix integer overflow on ILP32 systems (32-bit Linux). #1975 @@ -268,10 +3038,10 @@ Changelog (Pillow) - Fix typos in TIFF tags #1918 [radarhere] -- Skip tests that require libtiff if it is not installed, fixes #1866 +- Skip tests that require libtiff if it is not installed #1893 (fixes #1866) [wiredfool] -- Skip test when icc profile is not available, fixes #1887 +- Skip test when icc profile is not available, fixes #1887. #1892 [doko42] - Make deprecated functions raise NotImplementedError instead of Exception. #1862, #1890 @@ -295,7 +3065,7 @@ Changelog (Pillow) - Combined duplicate code in ImageTk #1856 [radarhere] -- Added --disable-platform-guessing option to setup.py build extension, #1861 +- Added --disable-platform-guessing option to setup.py build extension #1861 [angeloc] - Fixed loading Transparent PNGs with a transparent black color #1840 @@ -361,7 +3131,7 @@ Changelog (Pillow) - SpiderImagePlugin: raise an error when seeking in a non-stack file #1794 [radarhere, jmichalon] -- Added Support for 2/4 bpp Tiff Grayscale Images #1789 +- Added support for 2/4 bpp Tiff grayscale images #1789 [zwhfly] - Removed unused variable from selftest #1788 @@ -388,7 +3158,7 @@ Changelog (Pillow) - Added __copy__ method to Image #1772 [radarhere] -- Updated dates in PIL license in OleFileIO README #1787 +- Updated dates in PIL license in OleFileIO README #1787 [radarhere] - Corrected Tiff tag names #1786 @@ -412,16 +3182,16 @@ Changelog (Pillow) - Documentation changes, URL update, transpose, release checklist [radarhere] -- Fixed saving to nonexistant files specified by pathlib.Path objects, fixes #1747 +- Fixed saving to nonexistant files specified by pathlib.Path objects #1748 (fixes #1747) [radarhere] -- Round Image.crop arguments to the nearest integer, fixes #1744 +- Round Image.crop arguments to the nearest integer #1745 (fixes #1744) [hugovk] -- Fix uninitialized variable warning in _imaging.c:getink, fixes #486 +- Fix uninitialized variable warning in _imaging.c:getink #1663 (fixes #486) [wiredfool] -- Disable multiprocessing install on cygwin, fixes #1690 +- Disable multiprocessing install on cygwin #1700 (fixes #1690) [wiredfool] - Fix the error reported when libz is not found #1764 @@ -436,7 +3206,7 @@ Changelog (Pillow) - Fix EXIF tag name typos #1736 [zarlant, radarhere] -- Updated freetype to 2.6.3, Tk/Tcl to 8.6.5 and 8.5.19 +- Updated freetype to 2.6.3, Tk/Tcl to 8.6.5 and 8.5.19 #1725, #1752 [radarhere] - Add a loader for the FTEX format from Independence War 2: Edge of Chaos #1688 @@ -454,7 +3224,7 @@ Changelog (Pillow) - ImageSequence Iterator is now an iterator #1649 [radarhere] -- Updated windows test builds to jpeg9b +- Updated windows test builds to jpeg9b #1673 [radarhere] - Fixed support for .gbr version 1 images, added support for version 2 in GbrImagePlugin #1653 @@ -528,7 +3298,7 @@ Changelog (Pillow) - Let EditorConfig take care of some basic formatting #1489 [hugovk] -- Restore gpsexif data to the v1 form +- Restore gpsexif data to the v1 form #1619 [wiredfool] - Add /usr/local include and library directories for freebsd #1613 @@ -627,16 +3397,16 @@ Changelog (Pillow) - Added some requirements for make release-test #1451 [wiredfool] -- Flatten tiff metadata value SAMPLEFORMAT to initial value, fixes #1466 +- Flatten tiff metadata value SAMPLEFORMAT to initial value #1467 (fixes #1466) [wiredfool] -- Fix handling of pathlib in Image.save. Fixes #1460 +- Fix handling of pathlib in Image.save #1464 (fixes #1460) [wiredfool] - Make tests more robust #1469 [hugovk] -- Use correctly sized pointers for windows handle types. #1458 +- Use correctly sized pointers for windows handle types #1458 [nu744] 3.0.0 (2015-10-01) @@ -648,7 +3418,7 @@ Changelog (Pillow) - Added PDF multipage saving #1445 [radarhere] -- Removed deprecated code, Image.tostring, Image.fromstring, Image.offset, ImageDraw.setink, ImageDraw.setfill, ImageFileIO, ImageFont.FreeTypeFont and ImageFont.truetype `file` kwarg, ImagePalette private _make functions, ImageWin.fromstring and ImageWin.tostring #1343 +- Removed deprecated code, Image.tostring, Image.fromstring, Image.offset, ImageDraw.setink, ImageDraw.setfill, ImageFileIO, ImageFont.FreeTypeFont and ImageFont.truetype ``file`` kwarg, ImagePalette private _make functions, ImageWin.fromstring and ImageWin.tostring #1343 [radarhere] - Load more broken images #1428 @@ -693,7 +3463,7 @@ Changelog (Pillow) - Fix loading of truncated images with LOAD_TRUNCATED_IMAGES enabled #1366 [homm] -- Documentation update for concepts: bands +- Documentation update for concepts: bands #1406 [merriam] - Add Solaris/SmartOS include and library directories #1356 @@ -702,7 +3472,7 @@ Changelog (Pillow) - Improved handling of getink color #1387 [radarhere] -- Disable compiler optimizations for topalette and tobilevel functions for all msvc versions, fixes #1357 +- Disable compiler optimizations for topalette and tobilevel functions for all msvc versions #1402 (fixes #1357) [cgohlke] - Skip ImageFont_bitmap test if _imagingft C module is not installed #1409 @@ -876,22 +3646,22 @@ Changelog (Pillow) 2.8.1 (2015-04-02) ------------------ -- Bug fix: Catch struct.error on invalid JPEG, fixes #1163 +- Bug fix: Catch struct.error on invalid JPEG, fixes #1163. #1165 [wiredfool, hugovk] 2.8.0 (2015-04-01) ------------------ -- Fix 32-bit BMP loading (RGBA or RGBX) +- Fix 32-bit BMP loading (RGBA or RGBX) #1125 [artscoop] - Fix UnboundLocalError in ImageFile #1131 [davarisg] -- Re-enable test image caching +- Re-enable test image caching #982 [hugovk, homm] -- Fix: Cannot identify EPS images, fixes #1104 +- Fix: Cannot identify EPS images #1152 (fixes #1104) [hugovk] - Configure setuptools to run nosetests, fixes #729 @@ -900,7 +3670,7 @@ Changelog (Pillow) - Style/health fixes [radarhere, hugovk] -- Add support for HTTP response objects to Image.open() +- Add support for HTTP response objects to Image.open() #1151 [mfitzp] - Improve reference docs for PIL.ImageDraw.Draw.pieslice() #1145 @@ -912,7 +3682,7 @@ Changelog (Pillow) - Fix ImagingEffectNoise #1128 [hugovk] -- Remove unreachable code +- Remove unreachable code #1126 [hugovk] - Let Python do the endian stuff + tests #1121 @@ -933,10 +3703,10 @@ Changelog (Pillow) - iPython display hook #1091 [wiredfool] -- Adjust buffer size when quality=keep, fixes #148 (again) +- Adjust buffer size when quality=keep #1079 (fixes #148 again) [wiredfool] -- Fix for corrupted bitmaps embedded in truetype fonts. #1072 +- Fix for corrupted bitmaps embedded in truetype fonts #1072 [jackyyf, wiredfool] 2.7.0 (2015-01-01) @@ -945,19 +3715,19 @@ Changelog (Pillow) - Split Sane into a separate repo: https://github.com/python-pillow/Sane [hugovk] -- Look for OS X and Linux fonts in common places. #1054 +- Look for OS X and Linux fonts in common places #1054 [charleslaw] - Fix CVE-2014-9601, potential PNG decompression DOS #1060 [wiredfool] -- Use underscores, not spaces, in TIFF tag kwargs. #1044, #1058 +- Use underscores, not spaces, in TIFF tag kwargs #1044, #1058 [anntzer, hugovk] -- Update PSDraw for Python3, add tests. #1055 +- Update PSDraw for Python3, add tests #1055 [hugovk] -- Use Bicubic filtering by default for thumbnails. Don't use Jpeg Draft mode for thumbnails. #1029 +- Use Bicubic filtering by default for thumbnails. Don't use Jpeg Draft mode for thumbnails #1029 [homm] - Fix MSVC compiler error: Use Py_ssize_t instead of ssize_t #1051 @@ -969,7 +3739,7 @@ Changelog (Pillow) - The GIF Palette optimization algorithm is only applicable to mode='P' or 'L' #993 [moriyoshi] -- Use PySide as an alternative to PyQt4/5. +- Use PySide as an alternative to PyQt4/5 #1024 [holg] - Replace affine-based im.resize implementation with convolution-based im.stretch #997 @@ -993,13 +3763,13 @@ Changelog (Pillow) - Ico save, additional tests #1007 [exherb] -- Use PyQt4 if it has already been imported, otherwise prefer PyQt5. #1003 +- Use PyQt4 if it has already been imported, otherwise prefer PyQt5 #1003 [AurelienBallier] -- Speedup resample implementation up to 2.5 times. #977 +- Speedup resample implementation up to 2.5 times #977 [homm] -- Speed up rotation by using cache aware loops, added transpose to rotations. #994 +- Speed up rotation by using cache aware loops, added transpose to rotations #994 [homm] - Fix Bicubic interpolation #970 @@ -1011,7 +3781,7 @@ Changelog (Pillow) - Updated manifest #957 [wiredfool] -- Fix PyPy 2.4 regression #952 +- Fix PyPy 2.4 regression #958 [wiredfool] - Webp Metadata Skip Test comments #954 @@ -1041,7 +3811,7 @@ Changelog (Pillow) 2.6.0 (2014-10-01) ------------------ -- Relax precision of ImageDraw tests for x86, GimpGradient for PPC +- Relax precision of ImageDraw tests for x86, GimpGradient for PPC #930 [wiredfool] 2.6.0-rc1 (2014-09-29) @@ -1053,10 +3823,10 @@ Changelog (Pillow) - Use redistributable ICC profiles for testing, skip if not available #923 [wiredfool] -- Additional documentation for JPEG info and save options #890 +- Additional documentation for JPEG info and save options #922 [wiredfool] -- Fix JPEG Encoding memory leak when exif or qtables were specified +- Fix JPEG Encoding memory leak when exif or qtables were specified #921 [wiredfool] - Image.tobytes() and Image.tostring() documentation update #916 #917 @@ -1122,7 +3892,7 @@ Changelog (Pillow) - PyPy performance improvements #821 [wiredfool] -- Added support for reading MPO files +- Added support for reading MPO files #822 [Feneric] - Added support for encoding and decoding iTXt chunks #818 @@ -1140,16 +3910,16 @@ Changelog (Pillow) - Doc cleanup [wiredfool] -- Fix `ImageStat` docs +- Fix ``ImageStat`` docs #796 [akx] -- Added docs for ExifTags +- Added docs for ExifTags #794 [Wintermute3] - More tests for CurImagePlugin, DcxImagePlugin, Effects.c, GimpGradientFile, ImageFont, ImageMath, ImagePalette, IptcImagePlugin, SpiderImagePlugin, SgiImagePlugin, XpmImagePlugin and _util [hugovk] -- Fix return value of FreeTypeFont.textsize() does not include font offsets +- Fix return value of FreeTypeFont.textsize() does not include font offsets #784 [tk0miya] - Fix dispose calculations for animated GIFs #765 @@ -1174,7 +3944,6 @@ Changelog (Pillow) - Fixed CVE-2014-3589, a DOS in the IcnsImagePlugin (backport) [Andrew Drake] - 2.5.1 (2014-07-10) ------------------ @@ -1187,10 +3956,10 @@ Changelog (Pillow) 2.5.0 (2014-07-01) ------------------ -- Imagedraw rewrite +- Imagedraw rewrite #737 [terseus, wiredfool] -- Add support for multithreaded test execution +- Add support for multithreaded test execution #755 [wiredfool] - Prevent shell injection #748 @@ -1199,7 +3968,7 @@ Changelog (Pillow) - Support for Resolution in BMP files #734 [gcq] -- Fix error in setup.py for Python 3 +- Fix error in setup.py for Python 3 #744 [matthew-brett] - Pyroma fix and add Python 3.4 to setup metadata #742 @@ -1208,7 +3977,7 @@ Changelog (Pillow) - Top level flake8 fixes #741 [aclark4life] -- Remove obsolete Animated Raster Graphics (ARG) support +- Remove obsolete Animated Raster Graphics (ARG) support #736 [hugovk] - Fix test_imagedraw failures #727 @@ -1223,28 +3992,28 @@ Changelog (Pillow) - Cleanup #654 [dvska, hugovk, wiredfool] -- 16-bit monochrome support for JPEG2000 +- 16-bit monochrome support for JPEG2000 #730 [videan42] - Fixed ImagePalette.save [brightpisces] -- Support JPEG qtables +- Support JPEG qtables #677 [csinchok] - Add binary morphology addon [dov, wiredfool] -- Decompression bomb protection +- Decompression bomb protection #674 [hugovk] -- Put images in a single directory +- Put images in a single directory #708 [hugovk] -- Support OpenJpeg 2.1 - [al45tair] +- Support OpenJpeg 2.1 #681 + [al45tair, wiredfool] -- Remove unistd.h #include for all platforms +- Remove unistd.h #include for all platforms #704 [wiredfool] - Use unittest for tests @@ -1259,19 +4028,19 @@ Changelog (Pillow) - Added tests for Spider files [hugovk] -- Use libtiff to write any compressed tiff files +- Use libtiff to write any compressed tiff files #669 [wiredfool] - Support for pickling Image objects [hugovk] -- Fixed resolution handling for EPS thumbnails +- Fixed resolution handling for EPS thumbnails #619 [eliempje] - Fixed rendering of some binary EPS files (Issue #302) [eliempje] -- Rename variables not to use built-in function names +- Rename variables not to use built-in function names #670 [hugovk] - Ignore junk JPEG markers @@ -1286,19 +4055,19 @@ Changelog (Pillow) - Remove transparency resource after P->RGBA conversion [hugovk] -- Clean up preprocessor cruft for Windows +- Clean up preprocessor cruft for Windows #652 [CounterPillow] -- Adjust Homebrew freetype detection logic +- Adjust Homebrew freetype detection logic #656 [jacknagel] -- Added Image.close, context manager support. +- Added Image.close, context manager support [wiredfool] -- Added support for 16 bit PGM files. +- Added support for 16 bit PGM files [wiredfool] -- Updated OleFileIO to version 0.30 from upstream +- Updated OleFileIO to version 0.30 from upstream #618 [hugovk] - Added support for additional TIFF floating point format @@ -1307,64 +4076,64 @@ Changelog (Pillow) - Have the tempfile use a suffix with a dot [wiredfool] -- Fix variable name used for transparency manipulations +- Fix variable name used for transparency manipulations #604 [nijel] 2.4.0 (2014-04-01) ------------------ -- Indexed Transparency handled for conversions between L, RGB, and P modes. Fixes #510 +- Indexed Transparency handled for conversions between L, RGB, and P modes #574 (fixes #510) [wiredfool] -- Conversions enabled from RGBA->P, Fixes #544 +- Conversions enabled from RGBA->P #574 (fixes #544) [wiredfool] -- Improved icns support +- Improved icns support #565 [al45tair] -- Fix libtiff leaking open files, fixes #580 +- Fix libtiff leaking open files #580 (fixes #526) [wiredfool] -- Fixes for Jpeg encoding in Python 3, fixes #577 +- Fixes for Jpeg encoding in Python 3 #578 (fixes #577) [wiredfool] -- Added support for JPEG 2000 +- Added support for JPEG 2000 #547 [al45tair] -- Add more detailed error messages to Image.py +- Add more detailed error messages to Image.py #566 [larsmans] - Avoid conflicting _expand functions in PIL & MINGW, fixes #538 [aclark4life] -- Merge from Philippe Lagadec’s OleFileIO_PL fork +- Merge from Philippe Lagadec’s OleFileIO_PL fork #512 [vadmium] -- Fix ImageColor.getcolor +- Fix ImageColor.getcolor #534 [homm] -- Make ICO files work with the ImageFile.Parser interface, fixes #522 +- Make ICO files work with the ImageFile.Parser interface #525 (fixes #522) [wiredfool] -- Handle 32bit compiled python on 64bit architecture +- Handle 32bit compiled python on 64bit architecture #521 [choppsv1] -- Fix support for characters >128 using .pcf or .pil fonts in Py3k. Fixes #505 +- Fix support for characters >128 using .pcf or .pil fonts in Py3k #517 (fixes #505) [wiredfool] -- Skip CFFI test earlier if it's not installed +- Skip CFFI test earlier if it's not installed #516 [wiredfool] -- Fixed opening and saving odd sized .pcx files, fixes #523 +- Fixed opening and saving odd sized .pcx files #535 (fixes #523) [wiredfool] - Fixed palette handling when converting from mode P->RGB->P - [d_schmidt] + [d-schmidt] - Fixed saving mode P image as a PNG with transparency = palette color 0 [d-schmidt] -- Improve heuristic used when saving progressive and optimized JPEGs with high quality values +- Improve heuristic used when saving progressive and optimized JPEGs with high quality values #504 [e98cuenc] - Fixed DOS with invalid palette size or invalid image size in BMP file @@ -1376,7 +4145,7 @@ Changelog (Pillow) - Fix segfault in getfont when passed a memory resident font [wiredfool] -- Fix crash on Saving a PNG when icc-profile is None +- Fix crash on Saving a PNG when icc-profile is None #496 [brutasse] - Cffi+Python implementation of the PixelAccess object @@ -1385,13 +4154,13 @@ Changelog (Pillow) - PixelAccess returns unsigned ints for I16 mode [wiredfool] -- Minor patch on booleans + Travis +- Minor patch on booleans + Travis #474 [sciunto] -- Look in multiarch paths in GNU platforms +- Look in multiarch paths in GNU platforms #511 [pinotree] -- Add arch support for pcc64, s390, s390x, armv7l, aarch64 +- Add arch support for pcc64, s390, s390x, armv7l, aarch64 #475 [manisandro] - Add arch support for ppc @@ -1400,7 +4169,7 @@ Changelog (Pillow) - Correctly quote file names for WindowsViewer command [cgohlke] -- Prefer homebrew freetype over X11 freetype (but still allow both) +- Prefer homebrew freetype over X11 freetype (but still allow both) #466 [dmckeone] 2.3.2 (2014-08-13) @@ -1418,76 +4187,76 @@ Changelog (Pillow) 2.3.0 (2014-01-01) ------------------ -- Stop leaking filename parameter passed to getfont +- Stop leaking filename parameter passed to getfont #459 [jpharvey] - Report availability of LIBTIFF during setup and selftest [cgohlke] -- Fix msvc build error C1189: "No Target Architecture" +- Fix msvc build error C1189: "No Target Architecture" #460 [cgohlke] - Fix memory leak in font_getsize [wiredfool] -- Correctly prioritize include and library paths +- Correctly prioritize include and library paths #442 [ohanar] -- Image.point fixes for numpy.array and docs +- Image.point fixes for numpy.array and docs #441 [wiredfool] -- Save the transparency header by default for PNGs +- Save the transparency header by default for PNGs #424 [wiredfool] -- Support for PNG tRNS header when converting from RGB->RGBA +- Support for PNG tRNS header when converting from RGB->RGBA #423 [wiredfool] -- PyQT5 Support +- PyQT5 Support #418 [wiredfool] -- Updates for saving color tiffs w/compression using libtiff +- Updates for saving color tiffs w/compression using libtiff #417 [wiredfool] - 2gigapix image fixes and redux [wiredfool] -- Save arbitrary tags in Tiff image files +- Save arbitrary tags in Tiff image files #369 [wiredfool] -- Quote filenames and title before using on command line +- Quote filenames and title before using on command line #398 [tmccombs] -- Fixed Viewer.show to return properly +- Fixed Viewer.show to return properly #399 [tmccombs] - Documentation fixes [wiredfool] -- Fixed memory leak saving images as webp when webpmux is available +- Fixed memory leak saving images as webp when webpmux is available #429 [cezarsa] -- Fix compiling with FreeType 2.5.1 +- Fix compiling with FreeType 2.5.1 #427 [stromnov] -- Adds directories for NetBSD. +- Adds directories for NetBSD #411 [deepy] -- Support RGBA TIFF with missing ExtraSamples tag +- Support RGBA TIFF with missing ExtraSamples tag #393 [cgohlke] -- Lossless WEBP Support +- Lossless WEBP Support #390 [wiredfool] -- Take compression as an option in the save call for tiffs +- Take compression as an option in the save call for tiffs #389 [wiredfool] -- Add support for saving lossless WebP. Just pass 'lossless=True' to save() +- Add support for saving lossless WebP. Just pass 'lossless=True' to save() #386 [liftoff] -- LCMS support upgraded from version 1 to version 2, fixes #343 +- LCMS support upgraded from version 1 to version 2 #380 (fixes #343) [wiredfool] -- Added more raw decoder 16 bit pixel formats +- Added more raw decoder 16 bit pixel formats #379 [svanheulen] - Document remaining Image* modules listed in PIL handbook @@ -1508,34 +4277,34 @@ Changelog (Pillow) - Port PIL Handbook tutorial and appendices [irksep] -- Alpha Premultiplication support for transform and resize +- Alpha Premultiplication support for transform and resize #364 [wiredfool] -- Fixes to make Pypy 2.1.0 work on Ubuntu 12.04/64 +- Fixes to make Pypy 2.1.0 work on Ubuntu 12.04/64 #359 [wiredfool] 2.2.2 (2013-12-11) ------------------ -- Fix #427: compiling with FreeType 2.5.1 +- Fix compiling with FreeType 2.5.1 #427 [stromnov] 2.2.1 (2013-10-02) ------------------ -- Fix #356: Error installing Pillow 2.2.0 on Mac OS X (due to hard dep on brew) +- Error installing Pillow 2.2.0 on Mac OS X (due to hard dep on brew) #357 (fixes #356) [wiredfool] 2.2.0 (2013-10-02) ------------------ -- Fix #254: Bug in image transformations resulting from uninitialized memory +- Bug in image transformations resulting from uninitialized memory #348 (fixes #254) [nikmolnar] -- Fix for encoding of b_whitespace, similar to closed issue #272 +- Fix for encoding of b_whitespace #346 (similar to closed issue #272) [mhogg] -- Fix #273: Add numpy array interface support for 16 and 32 bit integer modes +- Add numpy array interface support for 16 and 32 bit integer modes #347 (fixes #273) [cgohlke] - Partial fix for #290: Add preliminary support for TIFF tags. @@ -1544,91 +4313,93 @@ Changelog (Pillow) - Fix #251 and #326: circumvent classification of pngtest_bad.png as malware [cgohlke] -- Add typedef uint64_t for MSVC. +- Add typedef uint64_t for MSVC #339 [cgohlke] -- Fix #329: setup.py: better support for C_INCLUDE_PATH, LD_RUN_PATH, etc. +- setup.py: better support for C_INCLUDE_PATH, LD_RUN_PATH, etc. #336 (fixes #329) [nu774] -- Fix #328: _imagingcms.c: include windef.h to fix build issue on MSVC +- _imagingcms.c: include windef.h to fix build issue on MSVC #335 (fixes #328) [nu774] -- Automatically discover homebrew include/ and lib/ paths on OS X +- Automatically discover homebrew include/ and lib/ paths on OS X #330 [donspaulding] -- Fix bytes which should be bytearray +- Fix bytes which should be bytearray #325 [manisandro] - Add respective paths for C_INCLUDE_PATH, LD_RUN_PATH (rpath) to build - if specified as environment variables. + if specified as environment variables #324 [seanupton] - Fix #312 + gif optimize improvement [d-schmidt] -- Be more tolerant of tag read failures +- Be more tolerant of tag read failures #320 [ericbuehl] -- Fix #318: Catch truncated zTXt errors. +- Catch truncated zTXt errors #321 (fixes #318) [vytisb] -- Fix IOError when saving progressive JPEGs. +- Fix IOError when saving progressive JPEGs #313 [e98cuenc] -- Add RGBA support to ImageColor +- Add RGBA support to ImageColor #309 [yoavweiss] -- Fix #304: test for `str`, not `"utf-8"`. +- Test for ``str``, not ``"utf-8"`` #306 (fixes #304) [mjpieters] -- Fix missing import os in _util.py. +- Fix missing import os in _util.py #303 [mnowotka] -- Added missing exif tags. +- Added missing exif tags #300 [freyes] -- Fail on all import errors, fixes #298. +- Fail on all import errors #298, #299 (fixes #297) [macfreek, wiredfool] -- Fixed Windows fallback (wasn't using correct file in Windows fonts). +- Fixed Windows fallback (wasn't using correct file in Windows fonts) #295 [lmollea] -- Moved ImageFile and ImageFileIO comments to docstrings. +- Moved ImageFile and ImageFileIO comments to docstrings #293 [freyes] -- Restore compatibility with ISO C. +- Restore compatibility with ISO C #289 [cgohlke] -- Use correct format character for C int type. +- Use correct format character for C int type #288 [cgohlke] -- Allocate enough memory to hold pointers in encode.c. +- Allocate enough memory to hold pointers in encode.c #287 [cgohlke] -- Fix #279, fillorder double shuffling bug when FillOrder ==2 and decoding using libtiff. +- Fillorder double shuffling bug when FillOrder ==2 and decoding using libtiff #284 (fixes #279) [wiredfool] - Moved Image module comments to docstrings. [freyes] -- Add 16-bit TIFF support, fixes #274. +- Add 16-bit TIFF support #277 (fixes #274) [wiredfool] -- Ignore high ascii characters in string.whitespace, fixes #272. +- Ignore high ascii characters in string.whitespace #276 (fixes #272) [wiredfool] -- Added clean/build to tox to make it behave like travis. +- Added clean/build to tox to make it behave like Travis #275 [freyes] -- Adding support for metadata in webp images. +- Adding support for metadata in webp images #271 [heynemann] 2.1.0 (2013-07-02) ------------------ -- Add /usr/bin/env python shebangs to all scripts in /Scripts. +- Add /usr/bin/env python shebangs to all scripts in /Scripts #197 + [mgorny] -- Add several TIFF decoders and encoders. +- Add several TIFF decoders and encoders #268 + [megabuz] - Added support for alpha transparent webp images. @@ -1636,15 +4407,17 @@ Changelog (Pillow) - Adding Python3 basestring compatibility without changing basestring. -- Fix webp encode errors on win-amd64. +- Fix webp encode errors on win-amd64 #259 + [cgohlke] -- Better fix for ZeroDivisionError in ImageOps.fit for image.size height is 1. +- Better fix for ZeroDivisionError in ImageOps.fit for image.size height is 1 #267 + [chrispbailey] - Better support for ICO images. -- Changed PY_VERSION_HEX, fixes #166. +- Changed PY_VERSION_HEX #190 (fixes #166) -- Changes to put everything under the PIL namespace. +- Changes to put everything under the PIL namespace #191 [wiredfool] - Changing StringIO to BytesIO. @@ -1655,37 +4428,46 @@ Changelog (Pillow) - Don't skip 'import site' on initialization when running tests for inplace builds. [cgohlke] -- Enable warnings for test suite. +- Enable warnings for test suite #227 + [wiredfool] -- Fix for ZeroDivisionError in ImageOps.fit for image.size == (1,1) +- Fix for ZeroDivisionError in ImageOps.fit for image.size == (1,1) #255 + [pterk] - Fix for if isinstance(filter, collections.Callable) crash. Python bug #7624 on <2.6.6 -- Fix #193: remove double typedef declaration. +- Remove double typedef declaration #194 (fixes #193) + [evertrol] - Fix msvc compile errors (#230). -- Fix rendered characters have been chipped for some TrueType fonts. +- Fix rendered characters have been chipped for some TrueType fonts + [tk0miya] -- Fix usage of pilfont.py script. +- Fix usage of pilfont.py script #184 + [fabiomcosta] - Fresh start for docs, generated by sphinx-apidoc. - Introduce --enable-x and fail if it is given and x is not available. -- Partial work to add a wrapper for WebPGetFeatures to correctly support #204. +- Partial work to add a wrapper for WebPGetFeatures to correctly support #220 (fixes #204) -- Significant performance improvement of `alpha_composite` function. +- Significant performance improvement of ``alpha_composite`` function #156 + [homm] -- Support explicitly disabling features via --disable-* options. +- Support explicitly disabling features via --disable-* options #240 + [mgorny] -- Support selftest.py --installed, fixes #263. +- Support selftest.py --installed, fixes #263 -- Transparent WebP Support, #204 +- Transparent WebP Support #220 (fixes #204) + [euangoddard, wiredfool] -- Use PyCapsule for py3.1, fixes #237. +- Use PyCapsule for py3.1 #238 (fixes #237) + [wiredfool] -- Workaround for: http://bugs.python.org/issue16754 in 3.2.x < 3.2.4 and 3.3.0. +- Workaround for: https://bugs.python.org/issue16754 in 3.2.x < 3.2.4 and 3.3.0. 2.0.0 (2013-03-15) ------------------ @@ -1697,15 +4479,15 @@ Changelog (Pillow) - Add Python 3 support. (Pillow >= 2.0.0 supports Python 2.6, 2.7, 3.2, 3.3. Pillow < 2.0.0 supports Python 2.4, 2.5, 2.6, 2.7.) [fluggo] -- Add PyPy support (experimental, please see: https://github.com/python-pillow/Pillow/issues/67) +- Add PyPy support (experimental, please see #67) -- Add WebP support. +- Add WebP support #96 [lqs] - Add Tiff G3/G4 support (experimental) [wiredfool] -- Backport PIL's PNG/Zip improvements. +- Backport PIL's PNG/Zip improvements #95, #97 [olt] - Various 64-bit and Windows fixes. @@ -1833,8 +4615,8 @@ Changelog (Pillow) 1.0 (07/30/2010) ---------------- -- Remove support for ``import Image``, etc. from the standard namespace. ``from PIL import Image`` etc. now required. -- Forked PIL based on `Hanno Schlichting's re-packaging `_ +- Remove support for ``import Image``. ``from PIL import Image`` now required. +- Forked PIL based on `Chris McDonough and Hanno Schlichting's setuptools compatible re-packaging `_ [aclark4life] Pre-fork @@ -1880,7 +4662,7 @@ Pre-fork This section may not be fully complete. For changes since this file was last updated, see the repository revision history: - https://bitbucket.org/effbot/pil-2009-raclette/commits/all + http://svn.effbot.org/public/pil/ (1.1.7 final) @@ -2123,7 +4905,7 @@ Pre-fork import numpy, Image - im = Image.open('lena.jpg') + im = Image.open('hopper.jpg') a = numpy.asarray(im) # a is readonly @@ -2609,7 +5391,7 @@ Pre-fork (1.1.3 final released) + Made setup.py look for old versions of zlib. For some back- - ground, see: http://www.gzip.org/zlib/advisory-2002-03-11.txt + ground, see: https://zlib.net/advisory-2002-03-11.txt (1.1.3c2 released) @@ -2966,7 +5748,7 @@ Pre-fork to any other format, via a lookup table. That table should contain 256 values for each band in the output image. - + Some file drivers (including FLI/FLC, GIF, and IM) accidently + + Some file drivers (including FLI/FLC, GIF, and IM) accidentally overwrote the offset method with an internal attribute. All drivers have been updated to use private attributes where possible. @@ -3314,23 +6096,23 @@ Pre-fork + Added keyword options to the "save" method. The following options are currently supported: - format option description + Format Option Description -------------------------------------------------------- - JPEG optimize minimize output file at the - expense of compression speed. + JPEG optimize Minimize output file at the + expense of compression speed. - JPEG progressive enable progressive output. the - option value is ignored. + JPEG progressive Enable progressive output. + The option value is ignored. - JPEG quality set compression quality (1-100). - the default value is 75. + JPEG quality Set compression quality (1-100). + The default value is 75. - JPEG smooth smooth dithered images. value - is strength (1-100). default is - off (0). + JPEG smooth Smooth dithered images. + Value is strength (1-100). + Default is off (0). - PNG optimize minimize output file at the - expense of compression speed. + PNG optimize Minimize output file at the + expense of compression speed. Expect more options in future releases. Also note that file writers silently ignore unknown options. @@ -3351,31 +6133,31 @@ Pre-fork + Various improvements to the sample scripts: "pilconvert" Carries out some extra tricks in order to make - the resulting file as small as possible. + the resulting file as small as possible. - "explode" (NEW) Split an image sequence into individual frames. + "explode" (NEW) Split an image sequence into individual frames. - "gifmaker" (NEW) Convert a sequence file into a GIF animation. - Note that the GIF encoder create "uncompressed" GIF - files, so animations created by this script are - rather large (typically 2-5 times the compressed - sizes). + "gifmaker" (NEW) Convert a sequence file into a GIF animation. + Note that the GIF encoder create "uncompressed" GIF + files, so animations created by this script are + rather large (typically 2-5 times the compressed + sizes). - "image2py" (NEW) Convert a single image to a python module. See - comments in this script for details. + "image2py" (NEW) Convert a single image to a python module. See + comments in this script for details. - "player" If multiple images are given on the command line, - they are interpreted as frames in a sequence. The - script assumes that they all have the same size. - Also note that this script now can play FLI/FLC - and GIF animations. + "player" If multiple images are given on the command line, + they are interpreted as frames in a sequence. The + script assumes that they all have the same size. + Also note that this script now can play FLI/FLC + and GIF animations. This player can also execute embedded Python animation applets (ARG format only). - "viewer" Transparent images ("P" with transparency property, - and "RGBA") are superimposed on the standard Tk back- - ground. + "viewer" Transparent images ("P" with transparency property, + and "RGBA") are superimposed on the standard Tk back- + ground. + Fixed colour argument to "new". For multilayer images, pass a tuple: (Red, Green, Blue), (Red, Green, Blue, Alpha), or (Cyan, @@ -3513,7 +6295,7 @@ Pre-fork any other pixel value means opaque. This is faster than using an "L" transparency mask. - + Properly writes EPS files (and properly prints images to postscript + + Properly writes EPS files (and properly prints images to PostScript printers as well). + Reads 4-bit BMP files, as well as 4 and 8-bit Windows ICO and CUR @@ -3596,7 +6378,7 @@ Pre-fork + Added the "pilfile" utility, which quickly identifies image files (without loading them, in most cases). - + Added the "pilprint" utility, which prints image files to Postscript + + Added the "pilprint" utility, which prints image files to PostScript printers. + Added a rudimentary version of the "pilview" utility, which is @@ -3610,5 +6392,5 @@ Pre-fork Jack). This allows you to read images through the Img extensions file format handlers. See the file "Lib/ImgExtImagePlugin.py" for details. - + Postscript printing is provided through the PSDraw module. See the + + PostScript printing is provided through the PSDraw module. See the handbook for details. diff --git a/LICENSE b/LICENSE index 87743e7370a..40aabc3239f 100644 --- a/LICENSE +++ b/LICENSE @@ -5,12 +5,26 @@ The Python Imaging Library (PIL) is Pillow is the friendly PIL fork. It is - Copyright © 2016 by Alex Clark and contributors + Copyright © 2010-2022 by Alex Clark and contributors -Like PIL, Pillow is licensed under the MIT-like open source PIL Software License: +Like PIL, Pillow is licensed under the open source HPND License: -By obtaining, using, and/or copying this software and/or its associated documentation, you agree that you have read, understood, and will comply with the following terms and conditions: +By obtaining, using, and/or copying this software and/or its associated +documentation, you agree that you have read, understood, and will comply +with the following terms and conditions: -Permission to use, copy, modify, and distribute this software and its associated documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appears in all copies, and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Secret Labs AB or the author not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. +Permission to use, copy, modify, and distribute this software and its +associated documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appears in all copies, and that +both that copyright notice and this permission notice appear in supporting +documentation, and that the name of Secret Labs AB or the author not be +used in advertising or publicity pertaining to distribution of the software +without specific, written prior permission. -SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS +SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. +IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR BE LIABLE FOR ANY SPECIAL, +INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +PERFORMANCE OF THIS SOFTWARE. diff --git a/MANIFEST.in b/MANIFEST.in index f6a1488f0b1..26f9401f2d9 100644 --- a/MANIFEST.in +++ b/MANIFEST.in @@ -1,31 +1,31 @@ - include *.c include *.h include *.in +include *.lock include *.md include *.py include *.rst include *.sh include *.txt +include *.yaml include LICENSE include Makefile -graft Scripts +include Pipfile +include tox.ini graft Tests -graft PIL -graft Tk -graft libImaging +graft src graft depends graft winbuild graft docs -prune docs/_static # build/src control detritus +exclude .appveyor.yml +exclude .clang-format exclude .coveragerc exclude .editorconfig -exclude .landscape.yaml -exclude appveyor.yml -exclude build_children.sh -exclude tox.ini +exclude .readthedocs.yml +exclude codecov.yml global-exclude .git* global-exclude *.pyc global-exclude *.so +prune .ci diff --git a/Makefile b/Makefile index 493364cd80c..0dac63d3961 100644 --- a/Makefile +++ b/Makefile @@ -1,97 +1,126 @@ -# https://www.gnu.org/software/make/manual/html_node/Phony-Targets.html -.PHONY: clean coverage doc docserve help inplace install install-req release-test sdist test upload upload-test -.DEFAULT_GOAL := release-test +.DEFAULT_GOAL := help +.PHONY: clean clean: - python setup.py clean - rm PIL/*.so || true + python3 setup.py clean + rm src/PIL/*.so || true rm -r build || true find . -name __pycache__ | xargs rm -r || true -BRANCHES=`git branch -a | grep -v HEAD | grep -v master | grep remote` -co: - -for i in $(BRANCHES) ; do \ - git checkout -t $$i ; \ - done - +.PHONY: coverage coverage: - coverage erase - coverage run --parallel-mode --include=PIL/* selftest.py - nosetests --with-cov --cov='PIL/' --cov-report=html Tests/test_*.py -# Doesn't combine properly before report, writing report instead of displaying invalid report. + pytest -qq rm -r htmlcov || true - coverage combine coverage report +.PHONY: doc doc: $(MAKE) -C docs html +.PHONY: doccheck doccheck: $(MAKE) -C docs html # Don't make our tests rely on the links in the docs being up every single build. # We don't control them. But do check, and update them to the target of their redirects. $(MAKE) -C docs linkcheck || true +.PHONY: docserve docserve: - cd docs/_build/html && python -mSimpleHTTPServer 2> /dev/null& + cd docs/_build/html && python3 -m http.server 2> /dev/null& +.PHONY: help help: @echo "Welcome to Pillow development. Please use \`make \` where is one of" - @echo " clean remove build products" - @echo " coverage run coverage test (in progress)" - @echo " doc make html docs" - @echo " docserve run an http server on the docs directory" - @echo " html to make standalone HTML files" - @echo " inplace make inplace extension" - @echo " install make and install" - @echo " install-req install documentation and test dependencies" - @echo " install-venv install in virtualenv" - @echo " release-test run code and package tests before release" - @echo " test run tests on installed pillow" - @echo " upload build and upload sdists to PyPI" - @echo " upload-test build and upload sdists to test.pythonpackages.com" - + @echo " clean remove build products" + @echo " coverage run coverage test (in progress)" + @echo " doc make html docs" + @echo " docserve run an http server on the docs directory" + @echo " html to make standalone HTML files" + @echo " inplace make inplace extension" + @echo " install make and install" + @echo " install-coverage make and install with C coverage" + @echo " install-req install documentation and test dependencies" + @echo " install-venv (deprecated) install in virtualenv" + @echo " lint run the lint checks" + @echo " lint-fix run black and isort to (mostly) fix lint issues." + @echo " release-test run code and package tests before release" + @echo " test run tests on installed pillow" + @echo " upload build and upload sdists to PyPI" + @echo " upload-test build and upload sdists to test.pythonpackages.com" + +.PHONY: inplace inplace: clean - python setup.py build_ext --inplace + python3 -m pip install -e --global-option="build_ext" --global-option="--inplace" . +.PHONY: install install: - python setup.py install - python selftest.py --installed - + python3 -m pip install . + python3 selftest.py + +.PHONY: install-coverage +install-coverage: + CFLAGS="-coverage -Werror=implicit-function-declaration" python3 -m pip install --global-option="build_ext" . + python3 selftest.py + +.PHONY: debug +debug: +# make a debug version if we don't have a -dbg python. Leaves in symbols +# for our stuff, kills optimization, and redirects to dev null so we +# see any build failures. + make clean > /dev/null + CFLAGS='-g -O0' python3 -m pip install --global-option="build_ext" . > /dev/null + +.PHONY: install-req install-req: - pip install -r requirements.txt + python3 -m pip install -r requirements.txt +.PHONY: install-venv install-venv: + echo "'install-venv' is deprecated and will be removed in a future Pillow release" virtualenv . bin/pip install -r requirements.txt +.PHONY: release-test release-test: $(MAKE) install-req - python setup.py develop - python selftest.py - nosetests Tests/test_*.py - python setup.py install - python test-installed.py + python3 -m pip install -e . + python3 selftest.py + python3 -m pytest Tests + python3 -m pip install . + -rm dist/*.egg + -rmdir dist + python3 -m pytest -qq check-manifest pyroma . - viewdoc + $(MAKE) readme +.PHONY: sdist sdist: - python setup.py sdist --format=gztar,zip + python3 -m build --help > /dev/null 2>&1 || python3 -m pip install build + python3 -m build --sdist +.PHONY: test test: - python test-installed.py - -# https://docs.python.org/2/distutils/packageindex.html#the-pypirc-file -upload-test: -# [test] -# username: -# password: -# repository = http://test.pythonpackages.com - python setup.py sdist --format=gztar,zip upload -r test + pytest -qq -upload: - python setup.py sdist --format=gztar,zip upload +.PHONY: valgrind +valgrind: + python3 -c "import pytest_valgrind" || pip3 install pytest-valgrind + PYTHONMALLOC=malloc valgrind --suppressions=Tests/oss-fuzz/python.supp --leak-check=no \ + --log-file=/tmp/valgrind-output \ + python3 -m pytest --no-memcheck -vv --valgrind --valgrind-log=/tmp/valgrind-output +.PHONY: readme readme: - viewdoc + python3 setup.py --long-description | markdown2 > .long-description.html && open .long-description.html + + +.PHONY: lint +lint: + tox --help > /dev/null || python3 -m pip install tox + tox -e lint + +.PHONY: lint-fix +lint-fix: + black --target-version py37 . + isort . diff --git a/PIL/BdfFontFile.py b/PIL/BdfFontFile.py deleted file mode 100644 index e6cc22f91e0..00000000000 --- a/PIL/BdfFontFile.py +++ /dev/null @@ -1,132 +0,0 @@ -# -# The Python Imaging Library -# $Id$ -# -# bitmap distribution font (bdf) file parser -# -# history: -# 1996-05-16 fl created (as bdf2pil) -# 1997-08-25 fl converted to FontFile driver -# 2001-05-25 fl removed bogus __init__ call -# 2002-11-20 fl robustification (from Kevin Cazabon, Dmitry Vasiliev) -# 2003-04-22 fl more robustification (from Graham Dumpleton) -# -# Copyright (c) 1997-2003 by Secret Labs AB. -# Copyright (c) 1997-2003 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image -from PIL import FontFile - - -# -------------------------------------------------------------------- -# parse X Bitmap Distribution Format (BDF) -# -------------------------------------------------------------------- - -bdf_slant = { - "R": "Roman", - "I": "Italic", - "O": "Oblique", - "RI": "Reverse Italic", - "RO": "Reverse Oblique", - "OT": "Other" -} - -bdf_spacing = { - "P": "Proportional", - "M": "Monospaced", - "C": "Cell" -} - - -def bdf_char(f): - # skip to STARTCHAR - while True: - s = f.readline() - if not s: - return None - if s[:9] == b"STARTCHAR": - break - id = s[9:].strip().decode('ascii') - - # load symbol properties - props = {} - while True: - s = f.readline() - if not s or s[:6] == b"BITMAP": - break - i = s.find(b" ") - props[s[:i].decode('ascii')] = s[i+1:-1].decode('ascii') - - # load bitmap - bitmap = [] - while True: - s = f.readline() - if not s or s[:7] == b"ENDCHAR": - break - bitmap.append(s[:-1]) - bitmap = b"".join(bitmap) - - [x, y, l, d] = [int(p) for p in props["BBX"].split()] - [dx, dy] = [int(p) for p in props["DWIDTH"].split()] - - bbox = (dx, dy), (l, -d-y, x+l, -d), (0, 0, x, y) - - try: - im = Image.frombytes("1", (x, y), bitmap, "hex", "1") - except ValueError: - # deal with zero-width characters - im = Image.new("1", (x, y)) - - return id, int(props["ENCODING"]), bbox, im - - -## -# Font file plugin for the X11 BDF format. - -class BdfFontFile(FontFile.FontFile): - - def __init__(self, fp): - - FontFile.FontFile.__init__(self) - - s = fp.readline() - if s[:13] != b"STARTFONT 2.1": - raise SyntaxError("not a valid BDF file") - - props = {} - comments = [] - - while True: - s = fp.readline() - if not s or s[:13] == b"ENDPROPERTIES": - break - i = s.find(b" ") - props[s[:i].decode('ascii')] = s[i+1:-1].decode('ascii') - if s[:i] in [b"COMMENT", b"COPYRIGHT"]: - if s.find(b"LogicalFontDescription") < 0: - comments.append(s[i+1:-1].decode('ascii')) - - # font = props["FONT"].split("-") - - # font[4] = bdf_slant[font[4].upper()] - # font[11] = bdf_spacing[font[11].upper()] - - # ascent = int(props["FONT_ASCENT"]) - # descent = int(props["FONT_DESCENT"]) - - # fontname = ";".join(font[1:]) - - # print "#", fontname - # for i in comments: - # print "#", i - - while True: - c = bdf_char(fp) - if not c: - break - id, ch, (xy, dst, src), im = c - if 0 <= ch < len(self.glyph): - self.glyph[ch] = xy, dst, src, im diff --git a/PIL/BmpImagePlugin.py b/PIL/BmpImagePlugin.py deleted file mode 100644 index eccd299231a..00000000000 --- a/PIL/BmpImagePlugin.py +++ /dev/null @@ -1,294 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# BMP file handler -# -# Windows (and OS/2) native bitmap storage format. -# -# history: -# 1995-09-01 fl Created -# 1996-04-30 fl Added save -# 1997-08-27 fl Fixed save of 1-bit images -# 1998-03-06 fl Load P images as L where possible -# 1998-07-03 fl Load P images as 1 where possible -# 1998-12-29 fl Handle small palettes -# 2002-12-30 fl Fixed load of 1-bit palette images -# 2003-04-21 fl Fixed load of 1-bit monochrome images -# 2003-04-23 fl Added limited support for BI_BITFIELDS compression -# -# Copyright (c) 1997-2003 by Secret Labs AB -# Copyright (c) 1995-2003 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - - -from PIL import Image, ImageFile, ImagePalette, _binary -import math - -__version__ = "0.7" - -i8 = _binary.i8 -i16 = _binary.i16le -i32 = _binary.i32le -o8 = _binary.o8 -o16 = _binary.o16le -o32 = _binary.o32le - -# -# -------------------------------------------------------------------- -# Read BMP file - -BIT2MODE = { - # bits => mode, rawmode - 1: ("P", "P;1"), - 4: ("P", "P;4"), - 8: ("P", "P"), - 16: ("RGB", "BGR;15"), - 24: ("RGB", "BGR"), - 32: ("RGB", "BGRX"), -} - - -def _accept(prefix): - return prefix[:2] == b"BM" - - -# ============================================================================== -# Image plugin for the Windows BMP format. -# ============================================================================== -class BmpImageFile(ImageFile.ImageFile): - """ Image plugin for the Windows Bitmap format (BMP) """ - - # -------------------------------------------------------------- Description - format_description = "Windows Bitmap" - format = "BMP" - # --------------------------------------------------- BMP Compression values - COMPRESSIONS = {'RAW': 0, 'RLE8': 1, 'RLE4': 2, 'BITFIELDS': 3, 'JPEG': 4, 'PNG': 5} - RAW, RLE8, RLE4, BITFIELDS, JPEG, PNG = 0, 1, 2, 3, 4, 5 - - def _bitmap(self, header=0, offset=0): - """ Read relevant info about the BMP """ - read, seek = self.fp.read, self.fp.seek - if header: - seek(header) - file_info = dict() - file_info['header_size'] = i32(read(4)) # read bmp header size @offset 14 (this is part of the header size) - file_info['direction'] = -1 - # --------------------- If requested, read header at a specific position - header_data = ImageFile._safe_read(self.fp, file_info['header_size'] - 4) # read the rest of the bmp header, without its size - # --------------------------------------------------- IBM OS/2 Bitmap v1 - # ------ This format has different offsets because of width/height types - if file_info['header_size'] == 12: - file_info['width'] = i16(header_data[0:2]) - file_info['height'] = i16(header_data[2:4]) - file_info['planes'] = i16(header_data[4:6]) - file_info['bits'] = i16(header_data[6:8]) - file_info['compression'] = self.RAW - file_info['palette_padding'] = 3 - # ---------------------------------------------- Windows Bitmap v2 to v5 - elif file_info['header_size'] in (40, 64, 108, 124): # v3, OS/2 v2, v4, v5 - if file_info['header_size'] >= 40: # v3 and OS/2 - file_info['y_flip'] = i8(header_data[7]) == 0xff - file_info['direction'] = 1 if file_info['y_flip'] else -1 - file_info['width'] = i32(header_data[0:4]) - file_info['height'] = i32(header_data[4:8]) if not file_info['y_flip'] else 2**32 - i32(header_data[4:8]) - file_info['planes'] = i16(header_data[8:10]) - file_info['bits'] = i16(header_data[10:12]) - file_info['compression'] = i32(header_data[12:16]) - file_info['data_size'] = i32(header_data[16:20]) # byte size of pixel data - file_info['pixels_per_meter'] = (i32(header_data[20:24]), i32(header_data[24:28])) - file_info['colors'] = i32(header_data[28:32]) - file_info['palette_padding'] = 4 - self.info["dpi"] = tuple( - map(lambda x: int(math.ceil(x / 39.3701)), - file_info['pixels_per_meter'])) - if file_info['compression'] == self.BITFIELDS: - if len(header_data) >= 52: - for idx, mask in enumerate(['r_mask', 'g_mask', 'b_mask', 'a_mask']): - file_info[mask] = i32(header_data[36+idx*4:40+idx*4]) - else: - # 40 byte headers only have the three components in the bitfields masks, - # ref: https://msdn.microsoft.com/en-us/library/windows/desktop/dd183376(v=vs.85).aspx - # See also https://github.com/python-pillow/Pillow/issues/1293 - # There is a 4th component in the RGBQuad, in the alpha location, but it - # is listed as a reserved component, and it is not generally an alpha channel - file_info['a_mask'] = 0x0 - for mask in ['r_mask', 'g_mask', 'b_mask']: - file_info[mask] = i32(read(4)) - file_info['rgb_mask'] = (file_info['r_mask'], file_info['g_mask'], file_info['b_mask']) - file_info['rgba_mask'] = (file_info['r_mask'], file_info['g_mask'], file_info['b_mask'], file_info['a_mask']) - else: - raise IOError("Unsupported BMP header type (%d)" % file_info['header_size']) - # ------------------ Special case : header is reported 40, which - # ---------------------- is shorter than real size for bpp >= 16 - self.size = file_info['width'], file_info['height'] - # -------- If color count was not found in the header, compute from bits - file_info['colors'] = file_info['colors'] if file_info.get('colors', 0) else (1 << file_info['bits']) - # -------------------------------- Check abnormal values for DOS attacks - if file_info['width'] * file_info['height'] > 2**31: - raise IOError("Unsupported BMP Size: (%dx%d)" % self.size) - # ----------------------- Check bit depth for unusual unsupported values - self.mode, raw_mode = BIT2MODE.get(file_info['bits'], (None, None)) - if self.mode is None: - raise IOError("Unsupported BMP pixel depth (%d)" % file_info['bits']) - # ----------------- Process BMP with Bitfields compression (not palette) - if file_info['compression'] == self.BITFIELDS: - SUPPORTED = { - 32: [(0xff0000, 0xff00, 0xff, 0x0), (0xff0000, 0xff00, 0xff, 0xff000000), (0x0, 0x0, 0x0, 0x0)], - 24: [(0xff0000, 0xff00, 0xff)], - 16: [(0xf800, 0x7e0, 0x1f), (0x7c00, 0x3e0, 0x1f)] - } - MASK_MODES = { - (32, (0xff0000, 0xff00, 0xff, 0x0)): "BGRX", - (32, (0xff0000, 0xff00, 0xff, 0xff000000)): "BGRA", - (32, (0x0, 0x0, 0x0, 0x0)): "BGRA", - (24, (0xff0000, 0xff00, 0xff)): "BGR", - (16, (0xf800, 0x7e0, 0x1f)): "BGR;16", - (16, (0x7c00, 0x3e0, 0x1f)): "BGR;15" - } - if file_info['bits'] in SUPPORTED: - if file_info['bits'] == 32 and file_info['rgba_mask'] in SUPPORTED[file_info['bits']]: - raw_mode = MASK_MODES[(file_info['bits'], file_info['rgba_mask'])] - self.mode = "RGBA" if raw_mode in ("BGRA",) else self.mode - elif file_info['bits'] in (24, 16) and file_info['rgb_mask'] in SUPPORTED[file_info['bits']]: - raw_mode = MASK_MODES[(file_info['bits'], file_info['rgb_mask'])] - else: - raise IOError("Unsupported BMP bitfields layout") - else: - raise IOError("Unsupported BMP bitfields layout") - elif file_info['compression'] == self.RAW: - if file_info['bits'] == 32 and header == 22: # 32-bit .cur offset - raw_mode, self.mode = "BGRA", "RGBA" - else: - raise IOError("Unsupported BMP compression (%d)" % file_info['compression']) - # ---------------- Once the header is processed, process the palette/LUT - if self.mode == "P": # Paletted for 1, 4 and 8 bit images - # ----------------------------------------------------- 1-bit images - if not (0 < file_info['colors'] <= 65536): - raise IOError("Unsupported BMP Palette size (%d)" % file_info['colors']) - else: - padding = file_info['palette_padding'] - palette = read(padding * file_info['colors']) - greyscale = True - indices = (0, 255) if file_info['colors'] == 2 else list(range(file_info['colors'])) - # ------------------ Check if greyscale and ignore palette if so - for ind, val in enumerate(indices): - rgb = palette[ind*padding:ind*padding + 3] - if rgb != o8(val) * 3: - greyscale = False - # -------- If all colors are grey, white or black, ditch palette - if greyscale: - self.mode = "1" if file_info['colors'] == 2 else "L" - raw_mode = self.mode - else: - self.mode = "P" - self.palette = ImagePalette.raw("BGRX" if padding == 4 else "BGR", palette) - - # ----------------------------- Finally set the tile data for the plugin - self.info['compression'] = file_info['compression'] - self.tile = [('raw', (0, 0, file_info['width'], file_info['height']), offset or self.fp.tell(), - (raw_mode, ((file_info['width'] * file_info['bits'] + 31) >> 3) & (~3), file_info['direction']) - )] - - def _open(self): - """ Open file, check magic number and read header """ - # read 14 bytes: magic number, filesize, reserved, header final offset - head_data = self.fp.read(14) - # choke if the file does not have the required magic bytes - if head_data[0:2] != b"BM": - raise SyntaxError("Not a BMP file") - # read the start position of the BMP image data (u32) - offset = i32(head_data[10:14]) - # load bitmap information (offset=raster info) - self._bitmap(offset=offset) - - -# ============================================================================== -# Image plugin for the DIB format (BMP alias) -# ============================================================================== -class DibImageFile(BmpImageFile): - - format = "DIB" - format_description = "Windows Bitmap" - - def _open(self): - self._bitmap() - -# -# -------------------------------------------------------------------- -# Write BMP file - -SAVE = { - "1": ("1", 1, 2), - "L": ("L", 8, 256), - "P": ("P", 8, 256), - "RGB": ("BGR", 24, 0), - "RGBA": ("BGRA", 32, 0), -} - - -def _save(im, fp, filename, check=0): - try: - rawmode, bits, colors = SAVE[im.mode] - except KeyError: - raise IOError("cannot write mode %s as BMP" % im.mode) - - if check: - return check - - info = im.encoderinfo - - dpi = info.get("dpi", (96, 96)) - - # 1 meter == 39.3701 inches - ppm = tuple(map(lambda x: int(x * 39.3701), dpi)) - - stride = ((im.size[0]*bits+7)//8+3) & (~3) - header = 40 # or 64 for OS/2 version 2 - offset = 14 + header + colors * 4 - image = stride * im.size[1] - - # bitmap header - fp.write(b"BM" + # file type (magic) - o32(offset+image) + # file size - o32(0) + # reserved - o32(offset)) # image data offset - - # bitmap info header - fp.write(o32(header) + # info header size - o32(im.size[0]) + # width - o32(im.size[1]) + # height - o16(1) + # planes - o16(bits) + # depth - o32(0) + # compression (0=uncompressed) - o32(image) + # size of bitmap - o32(ppm[0]) + o32(ppm[1]) + # resolution - o32(colors) + # colors used - o32(colors)) # colors important - - fp.write(b"\0" * (header - 40)) # padding (for OS/2 format) - - if im.mode == "1": - for i in (0, 255): - fp.write(o8(i) * 4) - elif im.mode == "L": - for i in range(256): - fp.write(o8(i) * 4) - elif im.mode == "P": - fp.write(im.im.getpalette("RGB", "BGRX")) - - ImageFile._save(im, fp, [("raw", (0, 0)+im.size, 0, - (rawmode, stride, -1))]) - -# -# -------------------------------------------------------------------- -# Registry - -Image.register_open(BmpImageFile.format, BmpImageFile, _accept) -Image.register_save(BmpImageFile.format, _save) - -Image.register_extension(BmpImageFile.format, ".bmp") - -Image.register_mime(BmpImageFile.format, "image/bmp") diff --git a/PIL/CurImagePlugin.py b/PIL/CurImagePlugin.py deleted file mode 100644 index 4db4c4073a2..00000000000 --- a/PIL/CurImagePlugin.py +++ /dev/null @@ -1,88 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# Windows Cursor support for PIL -# -# notes: -# uses BmpImagePlugin.py to read the bitmap data. -# -# history: -# 96-05-27 fl Created -# -# Copyright (c) Secret Labs AB 1997. -# Copyright (c) Fredrik Lundh 1996. -# -# See the README file for information on usage and redistribution. -# - - -from PIL import Image, BmpImagePlugin, _binary - -__version__ = "0.1" - -# -# -------------------------------------------------------------------- - -i8 = _binary.i8 -i16 = _binary.i16le -i32 = _binary.i32le - - -def _accept(prefix): - return prefix[:4] == b"\0\0\2\0" - - -## -# Image plugin for Windows Cursor files. - -class CurImageFile(BmpImagePlugin.BmpImageFile): - - format = "CUR" - format_description = "Windows Cursor" - - def _open(self): - - offset = self.fp.tell() - - # check magic - s = self.fp.read(6) - if not _accept(s): - raise SyntaxError("not a CUR file") - - # pick the largest cursor in the file - m = b"" - for i in range(i16(s[4:])): - s = self.fp.read(16) - if not m: - m = s - elif i8(s[0]) > i8(m[0]) and i8(s[1]) > i8(m[1]): - m = s - # print "width", i8(s[0]) - # print "height", i8(s[1]) - # print "colors", i8(s[2]) - # print "reserved", i8(s[3]) - # print "hotspot x", i16(s[4:]) - # print "hotspot y", i16(s[6:]) - # print "bytes", i32(s[8:]) - # print "offset", i32(s[12:]) - if not m: - raise TypeError("No cursors were found") - - # load as bitmap - self._bitmap(i32(m[12:]) + offset) - - # patch up the bitmap height - self.size = self.size[0], self.size[1]//2 - d, e, o, a = self.tile[0] - self.tile[0] = d, (0, 0)+self.size, o, a - - return - - -# -# -------------------------------------------------------------------- - -Image.register_open(CurImageFile.format, CurImageFile, _accept) - -Image.register_extension(CurImageFile.format, ".cur") diff --git a/PIL/DcxImagePlugin.py b/PIL/DcxImagePlugin.py deleted file mode 100644 index f9034d15cf7..00000000000 --- a/PIL/DcxImagePlugin.py +++ /dev/null @@ -1,86 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# DCX file handling -# -# DCX is a container file format defined by Intel, commonly used -# for fax applications. Each DCX file consists of a directory -# (a list of file offsets) followed by a set of (usually 1-bit) -# PCX files. -# -# History: -# 1995-09-09 fl Created -# 1996-03-20 fl Properly derived from PcxImageFile. -# 1998-07-15 fl Renamed offset attribute to avoid name clash -# 2002-07-30 fl Fixed file handling -# -# Copyright (c) 1997-98 by Secret Labs AB. -# Copyright (c) 1995-96 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image, _binary -from PIL.PcxImagePlugin import PcxImageFile - -__version__ = "0.2" - -MAGIC = 0x3ADE68B1 # QUIZ: what's this value, then? - -i32 = _binary.i32le - - -def _accept(prefix): - return len(prefix) >= 4 and i32(prefix) == MAGIC - - -## -# Image plugin for the Intel DCX format. - -class DcxImageFile(PcxImageFile): - - format = "DCX" - format_description = "Intel DCX" - - def _open(self): - - # Header - s = self.fp.read(4) - if i32(s) != MAGIC: - raise SyntaxError("not a DCX file") - - # Component directory - self._offset = [] - for i in range(1024): - offset = i32(self.fp.read(4)) - if not offset: - break - self._offset.append(offset) - - self.__fp = self.fp - self.seek(0) - - @property - def n_frames(self): - return len(self._offset) - - @property - def is_animated(self): - return len(self._offset) > 1 - - def seek(self, frame): - if frame >= len(self._offset): - raise EOFError("attempt to seek outside DCX directory") - self.frame = frame - self.fp = self.__fp - self.fp.seek(self._offset[frame]) - PcxImageFile._open(self) - - def tell(self): - return self.frame - - -Image.register_open(DcxImageFile.format, DcxImageFile, _accept) - -Image.register_extension(DcxImageFile.format, ".dcx") diff --git a/PIL/DdsImagePlugin.py b/PIL/DdsImagePlugin.py deleted file mode 100644 index b6228c2adad..00000000000 --- a/PIL/DdsImagePlugin.py +++ /dev/null @@ -1,172 +0,0 @@ -""" -A Pillow loader for .dds files (S3TC-compressed aka DXTC) -Jerome Leclanche - -Documentation: - http://oss.sgi.com/projects/ogl-sample/registry/EXT/texture_compression_s3tc.txt - -The contents of this file are hereby released in the public domain (CC0) -Full text of the CC0 license: - https://creativecommons.org/publicdomain/zero/1.0/ -""" - -import struct -from io import BytesIO -from PIL import Image, ImageFile - - -# Magic ("DDS ") -DDS_MAGIC = 0x20534444 - -# DDS flags -DDSD_CAPS = 0x1 -DDSD_HEIGHT = 0x2 -DDSD_WIDTH = 0x4 -DDSD_PITCH = 0x8 -DDSD_PIXELFORMAT = 0x1000 -DDSD_MIPMAPCOUNT = 0x20000 -DDSD_LINEARSIZE = 0x80000 -DDSD_DEPTH = 0x800000 - -# DDS caps -DDSCAPS_COMPLEX = 0x8 -DDSCAPS_TEXTURE = 0x1000 -DDSCAPS_MIPMAP = 0x400000 - -DDSCAPS2_CUBEMAP = 0x200 -DDSCAPS2_CUBEMAP_POSITIVEX = 0x400 -DDSCAPS2_CUBEMAP_NEGATIVEX = 0x800 -DDSCAPS2_CUBEMAP_POSITIVEY = 0x1000 -DDSCAPS2_CUBEMAP_NEGATIVEY = 0x2000 -DDSCAPS2_CUBEMAP_POSITIVEZ = 0x4000 -DDSCAPS2_CUBEMAP_NEGATIVEZ = 0x8000 -DDSCAPS2_VOLUME = 0x200000 - -# Pixel Format -DDPF_ALPHAPIXELS = 0x1 -DDPF_ALPHA = 0x2 -DDPF_FOURCC = 0x4 -DDPF_PALETTEINDEXED8 = 0x20 -DDPF_RGB = 0x40 -DDPF_LUMINANCE = 0x20000 - - -# dds.h - -DDS_FOURCC = DDPF_FOURCC -DDS_RGB = DDPF_RGB -DDS_RGBA = DDPF_RGB | DDPF_ALPHAPIXELS -DDS_LUMINANCE = DDPF_LUMINANCE -DDS_LUMINANCEA = DDPF_LUMINANCE | DDPF_ALPHAPIXELS -DDS_ALPHA = DDPF_ALPHA -DDS_PAL8 = DDPF_PALETTEINDEXED8 - -DDS_HEADER_FLAGS_TEXTURE = (DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | - DDSD_PIXELFORMAT) -DDS_HEADER_FLAGS_MIPMAP = DDSD_MIPMAPCOUNT -DDS_HEADER_FLAGS_VOLUME = DDSD_DEPTH -DDS_HEADER_FLAGS_PITCH = DDSD_PITCH -DDS_HEADER_FLAGS_LINEARSIZE = DDSD_LINEARSIZE - -DDS_HEIGHT = DDSD_HEIGHT -DDS_WIDTH = DDSD_WIDTH - -DDS_SURFACE_FLAGS_TEXTURE = DDSCAPS_TEXTURE -DDS_SURFACE_FLAGS_MIPMAP = DDSCAPS_COMPLEX | DDSCAPS_MIPMAP -DDS_SURFACE_FLAGS_CUBEMAP = DDSCAPS_COMPLEX - -DDS_CUBEMAP_POSITIVEX = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEX -DDS_CUBEMAP_NEGATIVEX = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEX -DDS_CUBEMAP_POSITIVEY = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEY -DDS_CUBEMAP_NEGATIVEY = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEY -DDS_CUBEMAP_POSITIVEZ = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEZ -DDS_CUBEMAP_NEGATIVEZ = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEZ - - -# DXT1 -DXT1_FOURCC = 0x31545844 - -# DXT3 -DXT3_FOURCC = 0x33545844 - -# DXT5 -DXT5_FOURCC = 0x35545844 - - -# dxgiformat.h - -DXGI_FORMAT_BC7_TYPELESS = 97 -DXGI_FORMAT_BC7_UNORM = 98 -DXGI_FORMAT_BC7_UNORM_SRGB = 99 - - -class DdsImageFile(ImageFile.ImageFile): - format = "DDS" - format_description = "DirectDraw Surface" - - def _open(self): - magic, header_size = struct.unpack(" 0: - s = fp.read(min(lengthfile, 100*1024)) - if not s: - break - lengthfile -= len(s) - f.write(s) - - # Build ghostscript command - command = ["gs", - "-q", # quiet mode - "-g%dx%d" % size, # set output geometry (pixels) - "-r%fx%f" % res, # set input DPI (dots per inch) - "-dNOPAUSE", # don't pause between pages, - "-dSAFER", # safe mode - "-sDEVICE=ppmraw", # ppm driver - "-sOutputFile=%s" % outfile, # output file - "-c", "%d %d translate" % (-bbox[0], -bbox[1]), - # adjust for image origin - "-f", infile, # input file - ] - - if gs_windows_binary is not None: - if not gs_windows_binary: - raise WindowsError('Unable to locate Ghostscript on paths') - command[0] = gs_windows_binary - - # push data through ghostscript - try: - gs = subprocess.Popen(command, stdin=subprocess.PIPE, - stdout=subprocess.PIPE) - gs.stdin.close() - status = gs.wait() - if status: - raise IOError("gs failed (status %d)" % status) - im = Image.open(outfile) - im.load() - finally: - try: - os.unlink(outfile) - if infile_temp: - os.unlink(infile_temp) - except OSError: - pass - - return im.im.copy() - - -class PSFile(object): - """ - Wrapper for bytesio object that treats either CR or LF as end of line. - """ - def __init__(self, fp): - self.fp = fp - self.char = None - - def seek(self, offset, whence=0): - self.char = None - self.fp.seek(offset, whence) - - def readline(self): - s = self.char or b"" - self.char = None - - c = self.fp.read(1) - while c not in b"\r\n": - s = s + c - c = self.fp.read(1) - - self.char = self.fp.read(1) - # line endings can be 1 or 2 of \r \n, in either order - if self.char in b"\r\n": - self.char = None - - return s.decode('latin-1') - - -def _accept(prefix): - return prefix[:4] == b"%!PS" or \ - (len(prefix) >= 4 and i32(prefix) == 0xC6D3D0C5) - -## -# Image plugin for Encapsulated Postscript. This plugin supports only -# a few variants of this format. - - -class EpsImageFile(ImageFile.ImageFile): - """EPS File Parser for the Python Imaging Library""" - - format = "EPS" - format_description = "Encapsulated Postscript" - - mode_map = {1: "L", 2: "LAB", 3: "RGB", 4: "CMYK"} - - def _open(self): - (length, offset) = self._find_offset(self.fp) - - # Rewrap the open file pointer in something that will - # convert line endings and decode to latin-1. - try: - if bytes is str: - # Python2, no encoding conversion necessary - fp = open(self.fp.name, "Ur") - else: - # Python3, can use bare open command. - fp = open(self.fp.name, "Ur", encoding='latin-1') - except: - # Expect this for bytesio/stringio - fp = PSFile(self.fp) - - # go to offset - start of "%!PS" - fp.seek(offset) - - box = None - - self.mode = "RGB" - self.size = 1, 1 # FIXME: huh? - - # - # Load EPS header - - s = fp.readline().strip('\r\n') - - while s: - if len(s) > 255: - raise SyntaxError("not an EPS file") - - try: - m = split.match(s) - except re.error as v: - raise SyntaxError("not an EPS file") - - if m: - k, v = m.group(1, 2) - self.info[k] = v - if k == "BoundingBox": - try: - # Note: The DSC spec says that BoundingBox - # fields should be integers, but some drivers - # put floating point values there anyway. - box = [int(float(i)) for i in v.split()] - self.size = box[2] - box[0], box[3] - box[1] - self.tile = [("eps", (0, 0) + self.size, offset, - (length, box))] - except: - pass - - else: - m = field.match(s) - if m: - k = m.group(1) - - if k == "EndComments": - break - if k[:8] == "PS-Adobe": - self.info[k[:8]] = k[9:] - else: - self.info[k] = "" - elif s[0] == '%': - # handle non-DSC Postscript comments that some - # tools mistakenly put in the Comments section - pass - else: - raise IOError("bad EPS header") - - s = fp.readline().strip('\r\n') - - if s[:1] != "%": - break - - # - # Scan for an "ImageData" descriptor - - while s[:1] == "%": - - if len(s) > 255: - raise SyntaxError("not an EPS file") - - if s[:11] == "%ImageData:": - # Encoded bitmapped image. - x, y, bi, mo = s[11:].split(None, 7)[:4] - - if int(bi) != 8: - break - try: - self.mode = self.mode_map[int(mo)] - except ValueError: - break - - self.size = int(x), int(y) - return - - s = fp.readline().strip('\r\n') - if not s: - break - - if not box: - raise IOError("cannot determine EPS bounding box") - - def _find_offset(self, fp): - - s = fp.read(160) - - if s[:4] == b"%!PS": - # for HEAD without binary preview - fp.seek(0, 2) - length = fp.tell() - offset = 0 - elif i32(s[0:4]) == 0xC6D3D0C5: - # FIX for: Some EPS file not handled correctly / issue #302 - # EPS can contain binary data - # or start directly with latin coding - # more info see: - # http://partners.adobe.com/public/developer/en/ps/5002.EPSF_Spec.pdf - offset = i32(s[4:8]) - length = i32(s[8:12]) - else: - raise SyntaxError("not an EPS file") - - return (length, offset) - - def load(self, scale=1): - # Load EPS via Ghostscript - if not self.tile: - return - self.im = Ghostscript(self.tile, self.size, self.fp, scale) - self.mode = self.im.mode - self.size = self.im.size - self.tile = [] - - def load_seek(self, *args, **kwargs): - # we can't incrementally load, so force ImageFile.parser to - # use our custom load method by defining this method. - pass - - -# -# -------------------------------------------------------------------- - -def _save(im, fp, filename, eps=1): - """EPS Writer for the Python Imaging Library.""" - - # - # make sure image data is available - im.load() - - # - # determine postscript image mode - if im.mode == "L": - operator = (8, 1, "image") - elif im.mode == "RGB": - operator = (8, 3, "false 3 colorimage") - elif im.mode == "CMYK": - operator = (8, 4, "false 4 colorimage") - else: - raise ValueError("image mode is not supported") - - class NoCloseStream(object): - def __init__(self, fp): - self.fp = fp - - def __getattr__(self, name): - return getattr(self.fp, name) - - def close(self): - pass - - base_fp = fp - if fp != sys.stdout: - fp = NoCloseStream(fp) - if sys.version_info[0] > 2: - fp = io.TextIOWrapper(fp, encoding='latin-1') - - if eps: - # - # write EPS header - fp.write("%!PS-Adobe-3.0 EPSF-3.0\n") - fp.write("%%Creator: PIL 0.1 EpsEncode\n") - # fp.write("%%CreationDate: %s"...) - fp.write("%%%%BoundingBox: 0 0 %d %d\n" % im.size) - fp.write("%%Pages: 1\n") - fp.write("%%EndComments\n") - fp.write("%%Page: 1 1\n") - fp.write("%%ImageData: %d %d " % im.size) - fp.write("%d %d 0 1 1 \"%s\"\n" % operator) - - # - # image header - fp.write("gsave\n") - fp.write("10 dict begin\n") - fp.write("/buf %d string def\n" % (im.size[0] * operator[1])) - fp.write("%d %d scale\n" % im.size) - fp.write("%d %d 8\n" % im.size) # <= bits - fp.write("[%d 0 0 -%d 0 %d]\n" % (im.size[0], im.size[1], im.size[1])) - fp.write("{ currentfile buf readhexstring pop } bind\n") - fp.write(operator[2] + "\n") - if hasattr(fp, "flush"): - fp.flush() - - ImageFile._save(im, base_fp, [("eps", (0, 0)+im.size, 0, None)]) - - fp.write("\n%%%%EndBinary\n") - fp.write("grestore end\n") - if hasattr(fp, "flush"): - fp.flush() - -# -# -------------------------------------------------------------------- - -Image.register_open(EpsImageFile.format, EpsImageFile, _accept) - -Image.register_save(EpsImageFile.format, _save) - -Image.register_extension(EpsImageFile.format, ".ps") -Image.register_extension(EpsImageFile.format, ".eps") - -Image.register_mime(EpsImageFile.format, "application/postscript") diff --git a/PIL/ExifTags.py b/PIL/ExifTags.py deleted file mode 100644 index a8ad26bcc1d..00000000000 --- a/PIL/ExifTags.py +++ /dev/null @@ -1,315 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# EXIF tags -# -# Copyright (c) 2003 by Secret Labs AB -# -# See the README file for information on usage and redistribution. -# - -## -# This module provides constants and clear-text names for various -# well-known EXIF tags. -## - -## -# Maps EXIF tags to tag names. - -TAGS = { - - # possibly incomplete - 0x000b: "ProcessingSoftware", - 0x00fe: "NewSubfileType", - 0x00ff: "SubfileType", - 0x0100: "ImageWidth", - 0x0101: "ImageLength", - 0x0102: "BitsPerSample", - 0x0103: "Compression", - 0x0106: "PhotometricInterpretation", - 0x0107: "Thresholding", - 0x0108: "CellWidth", - 0x0109: "CellLength", - 0x010a: "FillOrder", - 0x010d: "DocumentName", - 0x010e: "ImageDescription", - 0x010f: "Make", - 0x0110: "Model", - 0x0111: "StripOffsets", - 0x0112: "Orientation", - 0x0115: "SamplesPerPixel", - 0x0116: "RowsPerStrip", - 0x0117: "StripByteCounts", - 0x0118: "MinSampleValue", - 0x0119: "MaxSampleValue", - 0x011a: "XResolution", - 0x011b: "YResolution", - 0x011c: "PlanarConfiguration", - 0x011d: "PageName", - 0x0120: "FreeOffsets", - 0x0121: "FreeByteCounts", - 0x0122: "GrayResponseUnit", - 0x0123: "GrayResponseCurve", - 0x0124: "T4Options", - 0x0125: "T6Options", - 0x0128: "ResolutionUnit", - 0x0129: "PageNumber", - 0x012d: "TransferFunction", - 0x0131: "Software", - 0x0132: "DateTime", - 0x013b: "Artist", - 0x013c: "HostComputer", - 0x013d: "Predictor", - 0x013e: "WhitePoint", - 0x013f: "PrimaryChromaticities", - 0x0140: "ColorMap", - 0x0141: "HalftoneHints", - 0x0142: "TileWidth", - 0x0143: "TileLength", - 0x0144: "TileOffsets", - 0x0145: "TileByteCounts", - 0x014a: "SubIFDs", - 0x014c: "InkSet", - 0x014d: "InkNames", - 0x014e: "NumberOfInks", - 0x0150: "DotRange", - 0x0151: "TargetPrinter", - 0x0152: "ExtraSamples", - 0x0153: "SampleFormat", - 0x0154: "SMinSampleValue", - 0x0155: "SMaxSampleValue", - 0x0156: "TransferRange", - 0x0157: "ClipPath", - 0x0158: "XClipPathUnits", - 0x0159: "YClipPathUnits", - 0x015a: "Indexed", - 0x015b: "JPEGTables", - 0x015f: "OPIProxy", - 0x0200: "JPEGProc", - 0x0201: "JpegIFOffset", - 0x0202: "JpegIFByteCount", - 0x0203: "JpegRestartInterval", - 0x0205: "JpegLosslessPredictors", - 0x0206: "JpegPointTransforms", - 0x0207: "JpegQTables", - 0x0208: "JpegDCTables", - 0x0209: "JpegACTables", - 0x0211: "YCbCrCoefficients", - 0x0212: "YCbCrSubSampling", - 0x0213: "YCbCrPositioning", - 0x0214: "ReferenceBlackWhite", - 0x02bc: "XMLPacket", - 0x1000: "RelatedImageFileFormat", - 0x1001: "RelatedImageWidth", - 0x1002: "RelatedImageLength", - 0x4746: "Rating", - 0x4749: "RatingPercent", - 0x800d: "ImageID", - 0x828d: "CFARepeatPatternDim", - 0x828e: "CFAPattern", - 0x828f: "BatteryLevel", - 0x8298: "Copyright", - 0x829a: "ExposureTime", - 0x829d: "FNumber", - 0x83bb: "IPTCNAA", - 0x8649: "ImageResources", - 0x8769: "ExifOffset", - 0x8773: "InterColorProfile", - 0x8822: "ExposureProgram", - 0x8824: "SpectralSensitivity", - 0x8825: "GPSInfo", - 0x8827: "ISOSpeedRatings", - 0x8828: "OECF", - 0x8829: "Interlace", - 0x882a: "TimeZoneOffset", - 0x882b: "SelfTimerMode", - 0x9000: "ExifVersion", - 0x9003: "DateTimeOriginal", - 0x9004: "DateTimeDigitized", - 0x9101: "ComponentsConfiguration", - 0x9102: "CompressedBitsPerPixel", - 0x9201: "ShutterSpeedValue", - 0x9202: "ApertureValue", - 0x9203: "BrightnessValue", - 0x9204: "ExposureBiasValue", - 0x9205: "MaxApertureValue", - 0x9206: "SubjectDistance", - 0x9207: "MeteringMode", - 0x9208: "LightSource", - 0x9209: "Flash", - 0x920a: "FocalLength", - 0x920b: "FlashEnergy", - 0x920c: "SpatialFrequencyResponse", - 0x920d: "Noise", - 0x9211: "ImageNumber", - 0x9212: "SecurityClassification", - 0x9213: "ImageHistory", - 0x9214: "SubjectLocation", - 0x9215: "ExposureIndex", - 0x9216: "TIFF/EPStandardID", - 0x927c: "MakerNote", - 0x9286: "UserComment", - 0x9290: "SubsecTime", - 0x9291: "SubsecTimeOriginal", - 0x9292: "SubsecTimeDigitized", - 0x9c9b: "XPTitle", - 0x9c9c: "XPComment", - 0x9c9d: "XPAuthor", - 0x9c9e: "XPKeywords", - 0x9c9f: "XPSubject", - 0xa000: "FlashPixVersion", - 0xa001: "ColorSpace", - 0xa002: "ExifImageWidth", - 0xa003: "ExifImageHeight", - 0xa004: "RelatedSoundFile", - 0xa005: "ExifInteroperabilityOffset", - 0xa20b: "FlashEnergy", - 0xa20c: "SpatialFrequencyResponse", - 0xa20e: "FocalPlaneXResolution", - 0xa20f: "FocalPlaneYResolution", - 0xa210: "FocalPlaneResolutionUnit", - 0xa214: "SubjectLocation", - 0xa215: "ExposureIndex", - 0xa217: "SensingMethod", - 0xa300: "FileSource", - 0xa301: "SceneType", - 0xa302: "CFAPattern", - 0xa401: "CustomRendered", - 0xa402: "ExposureMode", - 0xa403: "WhiteBalance", - 0xa404: "DigitalZoomRatio", - 0xa405: "FocalLengthIn35mmFilm", - 0xa406: "SceneCaptureType", - 0xa407: "GainControl", - 0xa408: "Contrast", - 0xa409: "Saturation", - 0xa40a: "Sharpness", - 0xa40b: "DeviceSettingDescription", - 0xa40c: "SubjectDistanceRange", - 0xa420: "ImageUniqueID", - 0xa430: "CameraOwnerName", - 0xa431: "BodySerialNumber", - 0xa432: "LensSpecification", - 0xa433: "LensMake", - 0xa434: "LensModel", - 0xa435: "LensSerialNumber", - 0xa500: "Gamma", - 0xc4a5: "PrintImageMatching", - 0xc612: "DNGVersion", - 0xc613: "DNGBackwardVersion", - 0xc614: "UniqueCameraModel", - 0xc615: "LocalizedCameraModel", - 0xc616: "CFAPlaneColor", - 0xc617: "CFALayout", - 0xc618: "LinearizationTable", - 0xc619: "BlackLevelRepeatDim", - 0xc61a: "BlackLevel", - 0xc61b: "BlackLevelDeltaH", - 0xc61c: "BlackLevelDeltaV", - 0xc61d: "WhiteLevel", - 0xc61e: "DefaultScale", - 0xc61f: "DefaultCropOrigin", - 0xc620: "DefaultCropSize", - 0xc621: "ColorMatrix1", - 0xc622: "ColorMatrix2", - 0xc623: "CameraCalibration1", - 0xc624: "CameraCalibration2", - 0xc625: "ReductionMatrix1", - 0xc626: "ReductionMatrix2", - 0xc627: "AnalogBalance", - 0xc628: "AsShotNeutral", - 0xc629: "AsShotWhiteXY", - 0xc62a: "BaselineExposure", - 0xc62b: "BaselineNoise", - 0xc62c: "BaselineSharpness", - 0xc62d: "BayerGreenSplit", - 0xc62e: "LinearResponseLimit", - 0xc62f: "CameraSerialNumber", - 0xc630: "LensInfo", - 0xc631: "ChromaBlurRadius", - 0xc632: "AntiAliasStrength", - 0xc633: "ShadowScale", - 0xc634: "DNGPrivateData", - 0xc635: "MakerNoteSafety", - 0xc65a: "CalibrationIlluminant1", - 0xc65b: "CalibrationIlluminant2", - 0xc65c: "BestQualityScale", - 0xc65d: "RawDataUniqueID", - 0xc68b: "OriginalRawFileName", - 0xc68c: "OriginalRawFileData", - 0xc68d: "ActiveArea", - 0xc68e: "MaskedAreas", - 0xc68f: "AsShotICCProfile", - 0xc690: "AsShotPreProfileMatrix", - 0xc691: "CurrentICCProfile", - 0xc692: "CurrentPreProfileMatrix", - 0xc6bf: "ColorimetricReference", - 0xc6f3: "CameraCalibrationSignature", - 0xc6f4: "ProfileCalibrationSignature", - 0xc6f6: "AsShotProfileName", - 0xc6f7: "NoiseReductionApplied", - 0xc6f8: "ProfileName", - 0xc6f9: "ProfileHueSatMapDims", - 0xc6fa: "ProfileHueSatMapData1", - 0xc6fb: "ProfileHueSatMapData2", - 0xc6fc: "ProfileToneCurve", - 0xc6fd: "ProfileEmbedPolicy", - 0xc6fe: "ProfileCopyright", - 0xc714: "ForwardMatrix1", - 0xc715: "ForwardMatrix2", - 0xc716: "PreviewApplicationName", - 0xc717: "PreviewApplicationVersion", - 0xc718: "PreviewSettingsName", - 0xc719: "PreviewSettingsDigest", - 0xc71a: "PreviewColorSpace", - 0xc71b: "PreviewDateTime", - 0xc71c: "RawImageDigest", - 0xc71d: "OriginalRawFileDigest", - 0xc71e: "SubTileBlockSize", - 0xc71f: "RowInterleaveFactor", - 0xc725: "ProfileLookTableDims", - 0xc726: "ProfileLookTableData", - 0xc740: "OpcodeList1", - 0xc741: "OpcodeList2", - 0xc74e: "OpcodeList3", - 0xc761: "NoiseProfile" -} - -## -# Maps EXIF GPS tags to tag names. - -GPSTAGS = { - 0: "GPSVersionID", - 1: "GPSLatitudeRef", - 2: "GPSLatitude", - 3: "GPSLongitudeRef", - 4: "GPSLongitude", - 5: "GPSAltitudeRef", - 6: "GPSAltitude", - 7: "GPSTimeStamp", - 8: "GPSSatellites", - 9: "GPSStatus", - 10: "GPSMeasureMode", - 11: "GPSDOP", - 12: "GPSSpeedRef", - 13: "GPSSpeed", - 14: "GPSTrackRef", - 15: "GPSTrack", - 16: "GPSImgDirectionRef", - 17: "GPSImgDirection", - 18: "GPSMapDatum", - 19: "GPSDestLatitudeRef", - 20: "GPSDestLatitude", - 21: "GPSDestLongitudeRef", - 22: "GPSDestLongitude", - 23: "GPSDestBearingRef", - 24: "GPSDestBearing", - 25: "GPSDestDistanceRef", - 26: "GPSDestDistance", - 27: "GPSProcessingMethod", - 28: "GPSAreaInformation", - 29: "GPSDateStamp", - 30: "GPSDifferential", - 31: "GPSHPositioningError", -} diff --git a/PIL/FitsStubImagePlugin.py b/PIL/FitsStubImagePlugin.py deleted file mode 100644 index b6ea0e37d9e..00000000000 --- a/PIL/FitsStubImagePlugin.py +++ /dev/null @@ -1,76 +0,0 @@ -# -# The Python Imaging Library -# $Id$ -# -# FITS stub adapter -# -# Copyright (c) 1998-2003 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image, ImageFile - -_handler = None - - -def register_handler(handler): - """ - Install application-specific FITS image handler. - - :param handler: Handler object. - """ - global _handler - _handler = handler - -# -------------------------------------------------------------------- -# Image adapter - - -def _accept(prefix): - return prefix[:6] == b"SIMPLE" - - -class FITSStubImageFile(ImageFile.StubImageFile): - - format = "FITS" - format_description = "FITS" - - def _open(self): - - offset = self.fp.tell() - - if not _accept(self.fp.read(6)): - raise SyntaxError("Not a FITS file") - - # FIXME: add more sanity checks here; mandatory header items - # include SIMPLE, BITPIX, NAXIS, etc. - - self.fp.seek(offset) - - # make something up - self.mode = "F" - self.size = 1, 1 - - loader = self._load() - if loader: - loader.open(self) - - def _load(self): - return _handler - - -def _save(im, fp, filename): - if _handler is None or not hasattr("_handler", "save"): - raise IOError("FITS save handler not installed") - _handler.save(im, fp, filename) - - -# -------------------------------------------------------------------- -# Registry - -Image.register_open(FITSStubImageFile.format, FITSStubImageFile, _accept) -Image.register_save(FITSStubImageFile.format, _save) - -Image.register_extension(FITSStubImageFile.format, ".fit") -Image.register_extension(FITSStubImageFile.format, ".fits") diff --git a/PIL/FliImagePlugin.py b/PIL/FliImagePlugin.py deleted file mode 100644 index a07dc29b01c..00000000000 --- a/PIL/FliImagePlugin.py +++ /dev/null @@ -1,188 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# FLI/FLC file handling. -# -# History: -# 95-09-01 fl Created -# 97-01-03 fl Fixed parser, setup decoder tile -# 98-07-15 fl Renamed offset attribute to avoid name clash -# -# Copyright (c) Secret Labs AB 1997-98. -# Copyright (c) Fredrik Lundh 1995-97. -# -# See the README file for information on usage and redistribution. -# - - -from PIL import Image, ImageFile, ImagePalette, _binary - -__version__ = "0.2" - -i8 = _binary.i8 -i16 = _binary.i16le -i32 = _binary.i32le -o8 = _binary.o8 - - -# -# decoder - -def _accept(prefix): - return len(prefix) >= 6 and i16(prefix[4:6]) in [0xAF11, 0xAF12] - - -## -# Image plugin for the FLI/FLC animation format. Use the seek -# method to load individual frames. - -class FliImageFile(ImageFile.ImageFile): - - format = "FLI" - format_description = "Autodesk FLI/FLC Animation" - - def _open(self): - - # HEAD - s = self.fp.read(128) - magic = i16(s[4:6]) - if not (magic in [0xAF11, 0xAF12] and - i16(s[14:16]) in [0, 3] and # flags - s[20:22] == b"\x00\x00"): # reserved - raise SyntaxError("not an FLI/FLC file") - - # image characteristics - self.mode = "P" - self.size = i16(s[8:10]), i16(s[10:12]) - - # animation speed - duration = i32(s[16:20]) - if magic == 0xAF11: - duration = (duration * 1000) / 70 - self.info["duration"] = duration - - # look for palette - palette = [(a, a, a) for a in range(256)] - - s = self.fp.read(16) - - self.__offset = 128 - - if i16(s[4:6]) == 0xF100: - # prefix chunk; ignore it - self.__offset = self.__offset + i32(s) - s = self.fp.read(16) - - if i16(s[4:6]) == 0xF1FA: - # look for palette chunk - s = self.fp.read(6) - if i16(s[4:6]) == 11: - self._palette(palette, 2) - elif i16(s[4:6]) == 4: - self._palette(palette, 0) - - palette = [o8(r)+o8(g)+o8(b) for (r, g, b) in palette] - self.palette = ImagePalette.raw("RGB", b"".join(palette)) - - # set things up to decode first frame - self.__frame = -1 - self.__fp = self.fp - self.__rewind = self.fp.tell() - self._n_frames = None - self._is_animated = None - self.seek(0) - - def _palette(self, palette, shift): - # load palette - - i = 0 - for e in range(i16(self.fp.read(2))): - s = self.fp.read(2) - i = i + i8(s[0]) - n = i8(s[1]) - if n == 0: - n = 256 - s = self.fp.read(n * 3) - for n in range(0, len(s), 3): - r = i8(s[n]) << shift - g = i8(s[n+1]) << shift - b = i8(s[n+2]) << shift - palette[i] = (r, g, b) - i += 1 - - @property - def n_frames(self): - if self._n_frames is None: - current = self.tell() - try: - while True: - self.seek(self.tell() + 1) - except EOFError: - self._n_frames = self.tell() + 1 - self.seek(current) - return self._n_frames - - @property - def is_animated(self): - if self._is_animated is None: - current = self.tell() - - try: - self.seek(1) - self._is_animated = True - except EOFError: - self._is_animated = False - - self.seek(current) - return self._is_animated - - def seek(self, frame): - if frame == self.__frame: - return - if frame < self.__frame: - self._seek(0) - - last_frame = self.__frame - for f in range(self.__frame + 1, frame + 1): - try: - self._seek(f) - except EOFError: - self.seek(last_frame) - raise EOFError("no more images in FLI file") - - def _seek(self, frame): - if frame == 0: - self.__frame = -1 - self.__fp.seek(self.__rewind) - self.__offset = 128 - - if frame != self.__frame + 1: - raise ValueError("cannot seek to frame %d" % frame) - self.__frame = frame - - # move to next frame - self.fp = self.__fp - self.fp.seek(self.__offset) - - s = self.fp.read(4) - if not s: - raise EOFError - - framesize = i32(s) - - self.decodermaxblock = framesize - self.tile = [("fli", (0, 0)+self.size, self.__offset, None)] - - self.__offset += framesize - - def tell(self): - return self.__frame - -# -# registry - -Image.register_open(FliImageFile.format, FliImageFile, _accept) - -Image.register_extension(FliImageFile.format, ".fli") -Image.register_extension(FliImageFile.format, ".flc") diff --git a/PIL/FpxImagePlugin.py b/PIL/FpxImagePlugin.py deleted file mode 100644 index a4a9098a70b..00000000000 --- a/PIL/FpxImagePlugin.py +++ /dev/null @@ -1,226 +0,0 @@ -# -# THIS IS WORK IN PROGRESS -# -# The Python Imaging Library. -# $Id$ -# -# FlashPix support for PIL -# -# History: -# 97-01-25 fl Created (reads uncompressed RGB images only) -# -# Copyright (c) Secret Labs AB 1997. -# Copyright (c) Fredrik Lundh 1997. -# -# See the README file for information on usage and redistribution. -# - - -from PIL import Image, ImageFile -from PIL.OleFileIO import i8, i32, MAGIC, OleFileIO - -__version__ = "0.1" - - -# we map from colour field tuples to (mode, rawmode) descriptors -MODES = { - # opacity - (0x00007ffe): ("A", "L"), - # monochrome - (0x00010000,): ("L", "L"), - (0x00018000, 0x00017ffe): ("RGBA", "LA"), - # photo YCC - (0x00020000, 0x00020001, 0x00020002): ("RGB", "YCC;P"), - (0x00028000, 0x00028001, 0x00028002, 0x00027ffe): ("RGBA", "YCCA;P"), - # standard RGB (NIFRGB) - (0x00030000, 0x00030001, 0x00030002): ("RGB", "RGB"), - (0x00038000, 0x00038001, 0x00038002, 0x00037ffe): ("RGBA", "RGBA"), -} - - -# -# -------------------------------------------------------------------- - -def _accept(prefix): - return prefix[:8] == MAGIC - - -## -# Image plugin for the FlashPix images. - -class FpxImageFile(ImageFile.ImageFile): - - format = "FPX" - format_description = "FlashPix" - - def _open(self): - # - # read the OLE directory and see if this is a likely - # to be a FlashPix file - - try: - self.ole = OleFileIO(self.fp) - except IOError: - raise SyntaxError("not an FPX file; invalid OLE file") - - if self.ole.root.clsid != "56616700-C154-11CE-8553-00AA00A1F95B": - raise SyntaxError("not an FPX file; bad root CLSID") - - self._open_index(1) - - def _open_index(self, index=1): - # - # get the Image Contents Property Set - - prop = self.ole.getproperties([ - "Data Object Store %06d" % index, - "\005Image Contents" - ]) - - # size (highest resolution) - - self.size = prop[0x1000002], prop[0x1000003] - - size = max(self.size) - i = 1 - while size > 64: - size = size / 2 - i += 1 - self.maxid = i - 1 - - # mode. instead of using a single field for this, flashpix - # requires you to specify the mode for each channel in each - # resolution subimage, and leaves it to the decoder to make - # sure that they all match. for now, we'll cheat and assume - # that this is always the case. - - id = self.maxid << 16 - - s = prop[0x2000002 | id] - - colors = [] - for i in range(i32(s, 4)): - # note: for now, we ignore the "uncalibrated" flag - colors.append(i32(s, 8+i*4) & 0x7fffffff) - - self.mode, self.rawmode = MODES[tuple(colors)] - - # load JPEG tables, if any - self.jpeg = {} - for i in range(256): - id = 0x3000001 | (i << 16) - if id in prop: - self.jpeg[i] = prop[id] - - # print len(self.jpeg), "tables loaded" - - self._open_subimage(1, self.maxid) - - def _open_subimage(self, index=1, subimage=0): - # - # setup tile descriptors for a given subimage - - stream = [ - "Data Object Store %06d" % index, - "Resolution %04d" % subimage, - "Subimage 0000 Header" - ] - - fp = self.ole.openstream(stream) - - # skip prefix - fp.read(28) - - # header stream - s = fp.read(36) - - size = i32(s, 4), i32(s, 8) - # tilecount = i32(s, 12) - tilesize = i32(s, 16), i32(s, 20) - # channels = i32(s, 24) - offset = i32(s, 28) - length = i32(s, 32) - - # print size, self.mode, self.rawmode - - if size != self.size: - raise IOError("subimage mismatch") - - # get tile descriptors - fp.seek(28 + offset) - s = fp.read(i32(s, 12) * length) - - x = y = 0 - xsize, ysize = size - xtile, ytile = tilesize - self.tile = [] - - for i in range(0, len(s), length): - - compression = i32(s, i+8) - - if compression == 0: - self.tile.append(("raw", (x, y, x+xtile, y+ytile), - i32(s, i) + 28, (self.rawmode))) - - elif compression == 1: - - # FIXME: the fill decoder is not implemented - self.tile.append(("fill", (x, y, x+xtile, y+ytile), - i32(s, i) + 28, (self.rawmode, s[12:16]))) - - elif compression == 2: - - internal_color_conversion = i8(s[14]) - jpeg_tables = i8(s[15]) - rawmode = self.rawmode - - if internal_color_conversion: - # The image is stored as usual (usually YCbCr). - if rawmode == "RGBA": - # For "RGBA", data is stored as YCbCrA based on - # negative RGB. The following trick works around - # this problem : - jpegmode, rawmode = "YCbCrK", "CMYK" - else: - jpegmode = None # let the decoder decide - - else: - # The image is stored as defined by rawmode - jpegmode = rawmode - - self.tile.append(("jpeg", (x, y, x+xtile, y+ytile), - i32(s, i) + 28, (rawmode, jpegmode))) - - # FIXME: jpeg tables are tile dependent; the prefix - # data must be placed in the tile descriptor itself! - - if jpeg_tables: - self.tile_prefix = self.jpeg[jpeg_tables] - - else: - raise IOError("unknown/invalid compression") - - x = x + xtile - if x >= xsize: - x, y = 0, y + ytile - if y >= ysize: - break # isn't really required - - self.stream = stream - self.fp = None - - def load(self): - - if not self.fp: - self.fp = self.ole.openstream(self.stream[:2] + - ["Subimage 0000 Data"]) - - return ImageFile.ImageFile.load(self) - -# -# -------------------------------------------------------------------- - -Image.register_open(FpxImageFile.format, FpxImageFile, _accept) - -Image.register_extension(FpxImageFile.format, ".fpx") diff --git a/PIL/FtexImagePlugin.py b/PIL/FtexImagePlugin.py deleted file mode 100644 index 9dab8362166..00000000000 --- a/PIL/FtexImagePlugin.py +++ /dev/null @@ -1,95 +0,0 @@ -""" -A Pillow loader for .ftc and .ftu files (FTEX) -Jerome Leclanche - -The contents of this file are hereby released in the public domain (CC0) -Full text of the CC0 license: - https://creativecommons.org/publicdomain/zero/1.0/ - -Independence War 2: Edge Of Chaos - Texture File Format - 16 October 2001 - -The textures used for 3D objects in Independence War 2: Edge Of Chaos are in a -packed custom format called FTEX. This file format uses file extensions FTC and FTU. -* FTC files are compressed textures (using standard texture compression). -* FTU files are not compressed. -Texture File Format -The FTC and FTU texture files both use the same format, called. This -has the following structure: -{header} -{format_directory} -{data} -Where: -{header} = { u32:magic, u32:version, u32:width, u32:height, u32:mipmap_count, u32:format_count } - -* The "magic" number is "FTEX". -* "width" and "height" are the dimensions of the texture. -* "mipmap_count" is the number of mipmaps in the texture. -* "format_count" is the number of texture formats (different versions of the same texture) in this file. - -{format_directory} = format_count * { u32:format, u32:where } - -The format value is 0 for DXT1 compressed textures and 1 for 24-bit RGB uncompressed textures. -The texture data for a format starts at the position "where" in the file. - -Each set of texture data in the file has the following structure: -{data} = format_count * { u32:mipmap_size, mipmap_size * { u8 } } -* "mipmap_size" is the number of bytes in that mip level. For compressed textures this is the -size of the texture data compressed with DXT1. For 24 bit uncompressed textures, this is 3 * width * height. -Following this are the image bytes for that mipmap level. - -Note: All data is stored in little-Endian (Intel) byte order. -""" - -import struct -from io import BytesIO -from PIL import Image, ImageFile - - -MAGIC = b"FTEX" -FORMAT_DXT1 = 0 -FORMAT_UNCOMPRESSED = 1 - - -class FtexImageFile(ImageFile.ImageFile): - format = "FTEX" - format_description = "Texture File Format (IW2:EOC)" - - def _open(self): - magic = struct.unpack("= 8 and i32(prefix[:4]) >= 20 and i32(prefix[4:8]) in (1, 2) - - -## -# Image plugin for the GIMP brush format. - -class GbrImageFile(ImageFile.ImageFile): - - format = "GBR" - format_description = "GIMP brush file" - - def _open(self): - header_size = i32(self.fp.read(4)) - version = i32(self.fp.read(4)) - if header_size < 20: - raise SyntaxError("not a GIMP brush") - if version not in (1, 2): - raise SyntaxError("Unsupported GIMP brush version: %s" % version) - - width = i32(self.fp.read(4)) - height = i32(self.fp.read(4)) - color_depth = i32(self.fp.read(4)) - if width <= 0 or height <= 0: - raise SyntaxError("not a GIMP brush") - if color_depth not in (1, 4): - raise SyntaxError("Unsupported GIMP brush color depth: %s" % color_depth) - - if version == 1: - comment_length = header_size-20 - else: - comment_length = header_size-28 - magic_number = self.fp.read(4) - if magic_number != b'GIMP': - raise SyntaxError("not a GIMP brush, bad magic number") - self.info['spacing'] = i32(self.fp.read(4)) - - comment = self.fp.read(comment_length)[:-1] - - if color_depth == 1: - self.mode = "L" - else: - self.mode = 'RGBA' - - self.size = width, height - - self.info["comment"] = comment - - # Image might not be small - Image._decompression_bomb_check(self.size) - - # Data is an uncompressed block of w * h * bytes/pixel - self._data_size = width * height * color_depth - - def load(self): - self.im = Image.core.new(self.mode, self.size) - self.frombytes(self.fp.read(self._data_size)) - -# -# registry - -Image.register_open(GbrImageFile.format, GbrImageFile, _accept) -Image.register_extension(GbrImageFile.format, ".gbr") diff --git a/PIL/GdImageFile.py b/PIL/GdImageFile.py deleted file mode 100644 index 5a07ee230bc..00000000000 --- a/PIL/GdImageFile.py +++ /dev/null @@ -1,91 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# GD file handling -# -# History: -# 1996-04-12 fl Created -# -# Copyright (c) 1997 by Secret Labs AB. -# Copyright (c) 1996 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - - -# NOTE: This format cannot be automatically recognized, so the -# class is not registered for use with Image.open(). To open a -# gd file, use the GdImageFile.open() function instead. - -# THE GD FORMAT IS NOT DESIGNED FOR DATA INTERCHANGE. This -# implementation is provided for convenience and demonstrational -# purposes only. - - -from PIL import ImageFile, ImagePalette, _binary -from PIL._util import isPath - -__version__ = "0.1" - -try: - import builtins -except ImportError: - import __builtin__ - builtins = __builtin__ - -i16 = _binary.i16be - - -## -# Image plugin for the GD uncompressed format. Note that this format -# is not supported by the standard Image.open function. To use -# this plugin, you have to import the GdImageFile module and -# use the GdImageFile.open function. - -class GdImageFile(ImageFile.ImageFile): - - format = "GD" - format_description = "GD uncompressed images" - - def _open(self): - - # Header - s = self.fp.read(775) - - self.mode = "L" # FIXME: "P" - self.size = i16(s[0:2]), i16(s[2:4]) - - # transparency index - tindex = i16(s[5:7]) - if tindex < 256: - self.info["transparent"] = tindex - - self.palette = ImagePalette.raw("RGB", s[7:]) - - self.tile = [("raw", (0, 0)+self.size, 775, ("L", 0, -1))] - - -def open(fp, mode="r"): - """ - Load texture from a GD image file. - - :param filename: GD file name, or an opened file handle. - :param mode: Optional mode. In this version, if the mode argument - is given, it must be "r". - :returns: An image instance. - :raises IOError: If the image could not be read. - """ - if mode != "r": - raise ValueError("bad mode") - - if isPath(fp): - filename = fp - fp = builtins.open(fp, "rb") - else: - filename = "" - - try: - return GdImageFile(fp, filename) - except SyntaxError: - raise IOError("cannot identify this image file") diff --git a/PIL/GifImagePlugin.py b/PIL/GifImagePlugin.py deleted file mode 100644 index df17f830b9d..00000000000 --- a/PIL/GifImagePlugin.py +++ /dev/null @@ -1,777 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# GIF file handling -# -# History: -# 1995-09-01 fl Created -# 1996-12-14 fl Added interlace support -# 1996-12-30 fl Added animation support -# 1997-01-05 fl Added write support, fixed local colour map bug -# 1997-02-23 fl Make sure to load raster data in getdata() -# 1997-07-05 fl Support external decoder (0.4) -# 1998-07-09 fl Handle all modes when saving (0.5) -# 1998-07-15 fl Renamed offset attribute to avoid name clash -# 2001-04-16 fl Added rewind support (seek to frame 0) (0.6) -# 2001-04-17 fl Added palette optimization (0.7) -# 2002-06-06 fl Added transparency support for save (0.8) -# 2004-02-24 fl Disable interlacing for small images -# -# Copyright (c) 1997-2004 by Secret Labs AB -# Copyright (c) 1995-2004 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image, ImageFile, ImagePalette, \ - ImageChops, ImageSequence, _binary - -__version__ = "0.9" - - -# -------------------------------------------------------------------- -# Helpers - -i8 = _binary.i8 -i16 = _binary.i16le -o8 = _binary.o8 -o16 = _binary.o16le - - -# -------------------------------------------------------------------- -# Identify/read GIF files - -def _accept(prefix): - return prefix[:6] in [b"GIF87a", b"GIF89a"] - - -## -# Image plugin for GIF images. This plugin supports both GIF87 and -# GIF89 images. - -class GifImageFile(ImageFile.ImageFile): - - format = "GIF" - format_description = "Compuserve GIF" - global_palette = None - - def data(self): - s = self.fp.read(1) - if s and i8(s): - return self.fp.read(i8(s)) - return None - - def _open(self): - - # Screen - s = self.fp.read(13) - if s[:6] not in [b"GIF87a", b"GIF89a"]: - raise SyntaxError("not a GIF file") - - self.info["version"] = s[:6] - self.size = i16(s[6:]), i16(s[8:]) - self.tile = [] - flags = i8(s[10]) - bits = (flags & 7) + 1 - - if flags & 128: - # get global palette - self.info["background"] = i8(s[11]) - # check if palette contains colour indices - p = self.fp.read(3 << bits) - for i in range(0, len(p), 3): - if not (i//3 == i8(p[i]) == i8(p[i+1]) == i8(p[i+2])): - p = ImagePalette.raw("RGB", p) - self.global_palette = self.palette = p - break - - self.__fp = self.fp # FIXME: hack - self.__rewind = self.fp.tell() - self._n_frames = None - self._is_animated = None - self._seek(0) # get ready to read first frame - - @property - def n_frames(self): - if self._n_frames is None: - current = self.tell() - try: - while True: - self.seek(self.tell() + 1) - except EOFError: - self._n_frames = self.tell() + 1 - self.seek(current) - return self._n_frames - - @property - def is_animated(self): - if self._is_animated is None: - current = self.tell() - - try: - self.seek(1) - self._is_animated = True - except EOFError: - self._is_animated = False - - self.seek(current) - return self._is_animated - - def seek(self, frame): - if frame == self.__frame: - return - if frame < self.__frame: - self._seek(0) - - last_frame = self.__frame - for f in range(self.__frame + 1, frame + 1): - try: - self._seek(f) - except EOFError: - self.seek(last_frame) - raise EOFError("no more images in GIF file") - - def _seek(self, frame): - - if frame == 0: - # rewind - self.__offset = 0 - self.dispose = None - self.dispose_extent = [0, 0, 0, 0] # x0, y0, x1, y1 - self.__frame = -1 - self.__fp.seek(self.__rewind) - self._prev_im = None - self.disposal_method = 0 - else: - # ensure that the previous frame was loaded - if not self.im: - self.load() - - if frame != self.__frame + 1: - raise ValueError("cannot seek to frame %d" % frame) - self.__frame = frame - - self.tile = [] - - self.fp = self.__fp - if self.__offset: - # backup to last frame - self.fp.seek(self.__offset) - while self.data(): - pass - self.__offset = 0 - - if self.dispose: - self.im.paste(self.dispose, self.dispose_extent) - - from copy import copy - self.palette = copy(self.global_palette) - - while True: - - s = self.fp.read(1) - if not s or s == b";": - break - - elif s == b"!": - # - # extensions - # - s = self.fp.read(1) - block = self.data() - if i8(s) == 249: - # - # graphic control extension - # - flags = i8(block[0]) - if flags & 1: - self.info["transparency"] = i8(block[3]) - self.info["duration"] = i16(block[1:3]) * 10 - - # disposal method - find the value of bits 4 - 6 - dispose_bits = 0b00011100 & flags - dispose_bits = dispose_bits >> 2 - if dispose_bits: - # only set the dispose if it is not - # unspecified. I'm not sure if this is - # correct, but it seems to prevent the last - # frame from looking odd for some animations - self.disposal_method = dispose_bits - elif i8(s) == 254: - # - # comment extension - # - self.info["comment"] = block - elif i8(s) == 255: - # - # application extension - # - self.info["extension"] = block, self.fp.tell() - if block[:11] == b"NETSCAPE2.0": - block = self.data() - if len(block) >= 3 and i8(block[0]) == 1: - self.info["loop"] = i16(block[1:3]) - while self.data(): - pass - - elif s == b",": - # - # local image - # - s = self.fp.read(9) - - # extent - x0, y0 = i16(s[0:]), i16(s[2:]) - x1, y1 = x0 + i16(s[4:]), y0 + i16(s[6:]) - self.dispose_extent = x0, y0, x1, y1 - flags = i8(s[8]) - - interlace = (flags & 64) != 0 - - if flags & 128: - bits = (flags & 7) + 1 - self.palette =\ - ImagePalette.raw("RGB", self.fp.read(3 << bits)) - - # image data - bits = i8(self.fp.read(1)) - self.__offset = self.fp.tell() - self.tile = [("gif", - (x0, y0, x1, y1), - self.__offset, - (bits, interlace))] - break - - else: - pass - # raise IOError, "illegal GIF tag `%x`" % i8(s) - - try: - if self.disposal_method < 2: - # do not dispose or none specified - self.dispose = None - elif self.disposal_method == 2: - # replace with background colour - self.dispose = Image.core.fill("P", self.size, - self.info["background"]) - else: - # replace with previous contents - if self.im: - self.dispose = self.im.copy() - - # only dispose the extent in this frame - if self.dispose: - self.dispose = self.dispose.crop(self.dispose_extent) - except (AttributeError, KeyError): - pass - - if not self.tile: - # self.__fp = None - raise EOFError - - self.mode = "L" - if self.palette: - self.mode = "P" - - def tell(self): - return self.__frame - - def load_end(self): - ImageFile.ImageFile.load_end(self) - - # if the disposal method is 'do not dispose', transparent - # pixels should show the content of the previous frame - if self._prev_im and self.disposal_method == 1: - # we do this by pasting the updated area onto the previous - # frame which we then use as the current image content - updated = self.im.crop(self.dispose_extent) - self._prev_im.paste(updated, self.dispose_extent, - updated.convert('RGBA')) - self.im = self._prev_im - self._prev_im = self.im.copy() - -# -------------------------------------------------------------------- -# Write GIF files - -try: - import _imaging_gif -except ImportError: - _imaging_gif = None - -RAWMODE = { - "1": "L", - "L": "L", - "P": "P", -} - - -def _convert_mode(im, initial_call=False): - # convert on the fly (EXPERIMENTAL -- I'm not sure PIL - # should automatically convert images on save...) - if Image.getmodebase(im.mode) == "RGB": - if initial_call: - palette_size = 256 - if im.palette: - palette_size = len(im.palette.getdata()[1]) // 3 - return im.convert("P", palette=1, colors=palette_size) - else: - return im.convert("P") - return im.convert("L") - - -def _save_all(im, fp, filename): - _save(im, fp, filename, save_all=True) - - -def _save(im, fp, filename, save_all=False): - - im.encoderinfo.update(im.info) - if _imaging_gif: - # call external driver - try: - _imaging_gif.save(im, fp, filename) - return - except IOError: - pass # write uncompressed file - - if im.mode in RAWMODE: - im_out = im.copy() - else: - im_out = _convert_mode(im, True) - - # header - try: - palette = im.encoderinfo["palette"] - except KeyError: - palette = None - im.encoderinfo["optimize"] = im.encoderinfo.get("optimize", True) - - if save_all: - previous = None - - first_frame = None - append_images = im.encoderinfo.get("append_images", []) - for imSequence in [im]+append_images: - for im_frame in ImageSequence.Iterator(imSequence): - encoderinfo = im.encoderinfo.copy() - im_frame = _convert_mode(im_frame) - - # To specify duration, add the time in milliseconds to getdata(), - # e.g. getdata(im_frame, duration=1000) - if not previous: - # global header - first_frame = getheader(im_frame, palette, encoderinfo)[0] - first_frame += getdata(im_frame, (0, 0), **encoderinfo) - else: - if first_frame: - for s in first_frame: - fp.write(s) - first_frame = None - - # delta frame - delta = ImageChops.subtract_modulo(im_frame, previous.copy()) - bbox = delta.getbbox() - - if bbox: - # compress difference - encoderinfo['include_color_table'] = True - for s in getdata(im_frame.crop(bbox), - bbox[:2], **encoderinfo): - fp.write(s) - else: - # FIXME: what should we do in this case? - pass - previous = im_frame - if first_frame: - save_all = False - if not save_all: - header = getheader(im_out, palette, im.encoderinfo)[0] - for s in header: - fp.write(s) - - flags = 0 - - if get_interlace(im): - flags = flags | 64 - - # local image header - _get_local_header(fp, im, (0, 0), flags) - - im_out.encoderconfig = (8, get_interlace(im)) - ImageFile._save(im_out, fp, [("gif", (0, 0)+im.size, 0, - RAWMODE[im_out.mode])]) - - fp.write(b"\0") # end of image data - - fp.write(b";") # end of file - - if hasattr(fp, "flush"): - fp.flush() - - -def get_interlace(im): - try: - interlace = im.encoderinfo["interlace"] - except KeyError: - interlace = 1 - - # workaround for @PIL153 - if min(im.size) < 16: - interlace = 0 - - return interlace - - -def _get_local_header(fp, im, offset, flags): - transparent_color_exists = False - try: - transparency = im.encoderinfo["transparency"] - except KeyError: - pass - else: - transparency = int(transparency) - # optimize the block away if transparent color is not used - transparent_color_exists = True - - if _get_optimize(im, im.encoderinfo): - used_palette_colors = _get_used_palette_colors(im) - - # adjust the transparency index after optimize - if len(used_palette_colors) < 256: - for i in range(len(used_palette_colors)): - if used_palette_colors[i] == transparency: - transparency = i - transparent_color_exists = True - break - else: - transparent_color_exists = False - - if "duration" in im.encoderinfo: - duration = int(im.encoderinfo["duration"] / 10) - else: - duration = 0 - if transparent_color_exists or duration != 0: - transparency_flag = 1 if transparent_color_exists else 0 - if not transparent_color_exists: - transparency = 0 - - fp.write(b"!" + - o8(249) + # extension intro - o8(4) + # length - o8(transparency_flag) + # packed fields - o16(duration) + # duration - o8(transparency) + # transparency index - o8(0)) - - if "comment" in im.encoderinfo and 1 <= len(im.encoderinfo["comment"]) <= 255: - fp.write(b"!" + - o8(254) + # extension intro - o8(len(im.encoderinfo["comment"])) + - im.encoderinfo["comment"] + - o8(0)) - if "loop" in im.encoderinfo: - number_of_loops = im.encoderinfo["loop"] - fp.write(b"!" + - o8(255) + # extension intro - o8(11) + - b"NETSCAPE2.0" + - o8(3) + - o8(1) + - o16(number_of_loops) + # number of loops - o8(0)) - include_color_table = im.encoderinfo.get('include_color_table') - if include_color_table: - try: - palette = im.encoderinfo["palette"] - except KeyError: - palette = None - palette_bytes = _get_palette_bytes(im, palette, im.encoderinfo)[0] - color_table_size = _get_color_table_size(palette_bytes) - if color_table_size: - flags = flags | 128 # local color table flag - flags = flags | color_table_size - - fp.write(b"," + - o16(offset[0]) + # offset - o16(offset[1]) + - o16(im.size[0]) + # size - o16(im.size[1]) + - o8(flags)) # flags - if include_color_table and color_table_size: - fp.write(_get_header_palette(palette_bytes)) - fp.write(o8(8)) # bits - - -def _save_netpbm(im, fp, filename): - - # - # If you need real GIF compression and/or RGB quantization, you - # can use the external NETPBM/PBMPLUS utilities. See comments - # below for information on how to enable this. - - import os - from subprocess import Popen, check_call, PIPE, CalledProcessError - import tempfile - file = im._dump() - - if im.mode != "RGB": - with open(filename, 'wb') as f: - stderr = tempfile.TemporaryFile() - check_call(["ppmtogif", file], stdout=f, stderr=stderr) - else: - with open(filename, 'wb') as f: - - # Pipe ppmquant output into ppmtogif - # "ppmquant 256 %s | ppmtogif > %s" % (file, filename) - quant_cmd = ["ppmquant", "256", file] - togif_cmd = ["ppmtogif"] - stderr = tempfile.TemporaryFile() - quant_proc = Popen(quant_cmd, stdout=PIPE, stderr=stderr) - stderr = tempfile.TemporaryFile() - togif_proc = Popen(togif_cmd, stdin=quant_proc.stdout, stdout=f, - stderr=stderr) - - # Allow ppmquant to receive SIGPIPE if ppmtogif exits - quant_proc.stdout.close() - - retcode = quant_proc.wait() - if retcode: - raise CalledProcessError(retcode, quant_cmd) - - retcode = togif_proc.wait() - if retcode: - raise CalledProcessError(retcode, togif_cmd) - - try: - os.unlink(file) - except OSError: - pass - - -# -------------------------------------------------------------------- -# GIF utilities - -def _get_optimize(im, info): - return im.mode in ("P", "L") and info and info.get("optimize", 0) - - -def _get_used_palette_colors(im): - used_palette_colors = [] - - # check which colors are used - i = 0 - for count in im.histogram(): - if count: - used_palette_colors.append(i) - i += 1 - - return used_palette_colors - -def _get_color_table_size(palette_bytes): - # calculate the palette size for the header - import math - color_table_size = int(math.ceil(math.log(len(palette_bytes)//3, 2)))-1 - if color_table_size < 0: - color_table_size = 0 - return color_table_size - -def _get_header_palette(palette_bytes): - color_table_size = _get_color_table_size(palette_bytes) - - # add the missing amount of bytes - # the palette has to be 2< 0: - palette_bytes += o8(0) * 3 * actual_target_size_diff - return palette_bytes - -# Force optimization so that we can test performance against -# cases where it took lots of memory and time previously. -_FORCE_OPTIMIZE = False - -def _get_palette_bytes(im, palette, info): - if im.mode == "P": - if palette and isinstance(palette, bytes): - source_palette = palette[:768] - else: - source_palette = im.im.getpalette("RGB")[:768] - else: # L-mode - if palette and isinstance(palette, bytes): - source_palette = palette[:768] - else: - source_palette = bytearray([i//3 for i in range(768)]) - - used_palette_colors = palette_bytes = None - - if _get_optimize(im, info): - used_palette_colors = _get_used_palette_colors(im) - - # Potentially expensive operation. - - # The palette saves 3 bytes per color not used, but palette - # lengths are restricted to 3*(2**N) bytes. Max saving would - # be 768 -> 6 bytes if we went all the way down to 2 colors. - # * If we're over 128 colors, we can't save any space. - # * If there aren't any holes, it's not worth collapsing. - # * If we have a 'large' image, the palette is in the noise. - - # create the new palette if not every color is used - if _FORCE_OPTIMIZE or im.mode == 'L' or \ - (len(used_palette_colors) <= 128 and - max(used_palette_colors) > len(used_palette_colors) and - im.width * im.height < 512 * 512): - palette_bytes = b"" - new_positions = [0]*256 - - # pick only the used colors from the palette - for i, oldPosition in enumerate(used_palette_colors): - palette_bytes += source_palette[oldPosition*3:oldPosition*3+3] - new_positions[oldPosition] = i - - # replace the palette color id of all pixel with the new id - - # Palette images are [0..255], mapped through a 1 or 3 - # byte/color map. We need to remap the whole image - # from palette 1 to palette 2. New_positions is - # an array of indexes into palette 1. Palette 2 is - # palette 1 with any holes removed. - - # We're going to leverage the convert mechanism to use the - # C code to remap the image from palette 1 to palette 2, - # by forcing the source image into 'L' mode and adding a - # mapping 'L' mode palette, then converting back to 'L' - # sans palette thus converting the image bytes, then - # assigning the optimized RGB palette. - - # perf reference, 9500x4000 gif, w/~135 colors - # 14 sec prepatch, 1 sec postpatch with optimization forced. - - mapping_palette = bytearray(new_positions) - - m_im = im.copy() - m_im.mode = 'P' - - m_im.palette = ImagePalette.ImagePalette("RGB", - palette=mapping_palette*3, - size=768) - #possibly set palette dirty, then - #m_im.putpalette(mapping_palette, 'L') # converts to 'P' - # or just force it. - # UNDONE -- this is part of the general issue with palettes - m_im.im.putpalette(*m_im.palette.getdata()) - - m_im = m_im.convert('L') - - # Internally, we require 768 bytes for a palette. - new_palette_bytes = (palette_bytes + - (768 - len(palette_bytes)) * b'\x00') - m_im.putpalette(new_palette_bytes) - m_im.palette = ImagePalette.ImagePalette("RGB", - palette=palette_bytes, - size=len(palette_bytes)) - - # oh gawd, this is modifying the image in place so I can pass by ref. - # REFACTOR SOONEST - im.frombytes(m_im.tobytes()) - - if not palette_bytes: - palette_bytes = source_palette - - # returning palette, _not_ padded to 768 bytes like our internal ones. - return palette_bytes, used_palette_colors - -def getheader(im, palette=None, info=None): - """Return a list of strings representing a GIF header""" - - # Header Block - # http://www.matthewflickinger.com/lab/whatsinagif/bits_and_bytes.asp - - version = b"87a" - for extensionKey in ["transparency", "duration", "loop", "comment"]: - if info and extensionKey in info: - if ((extensionKey == "duration" and info[extensionKey] == 0) or - (extensionKey == "comment" and not (1 <= len(info[extensionKey]) <= 255))): - continue - version = b"89a" - break - else: - if im.info.get("version") == "89a": - version = b"89a" - - header = [ - b"GIF"+version + # signature + version - o16(im.size[0]) + # canvas width - o16(im.size[1]) # canvas height - ] - - palette_bytes, used_palette_colors = _get_palette_bytes(im, palette, info) - - # Logical Screen Descriptor - color_table_size = _get_color_table_size(palette_bytes) - # size of global color table + global color table flag - header.append(o8(color_table_size + 128)) # packed fields - # background + reserved/aspect - if info and "background" in info: - background = info["background"] - elif "background" in im.info: - # This elif is redundant within GifImagePlugin - # since im.info parameters are bundled into the info dictionary - # However, external scripts may call getheader directly - # So this maintains earlier behaviour - background = im.info["background"] - else: - background = 0 - header.append(o8(background) + o8(0)) - # end of Logical Screen Descriptor - - # Header + Logical Screen Descriptor + Global Color Table - header.append(_get_header_palette(palette_bytes)) - return header, used_palette_colors - - -def getdata(im, offset=(0, 0), **params): - """Return a list of strings representing this image. - The first string is a local image header, the rest contains - encoded image data.""" - - class Collector(object): - data = [] - - def write(self, data): - self.data.append(data) - - im.load() # make sure raster data is available - - fp = Collector() - - try: - im.encoderinfo = params - - # local image header - _get_local_header(fp, im, offset, 0) - - ImageFile._save(im, fp, [("gif", (0, 0)+im.size, 0, RAWMODE[im.mode])]) - - fp.write(b"\0") # end of image data - - finally: - del im.encoderinfo - - return fp.data - - -# -------------------------------------------------------------------- -# Registry - -Image.register_open(GifImageFile.format, GifImageFile, _accept) -Image.register_save(GifImageFile.format, _save) -Image.register_save_all(GifImageFile.format, _save_all) -Image.register_extension(GifImageFile.format, ".gif") -Image.register_mime(GifImageFile.format, "image/gif") - -# -# Uncomment the following line if you wish to use NETPBM/PBMPLUS -# instead of the built-in "uncompressed" GIF encoder - -# Image.register_save(GifImageFile.format, _save_netpbm) diff --git a/PIL/GimpPaletteFile.py b/PIL/GimpPaletteFile.py deleted file mode 100644 index 4bf3ca36ab5..00000000000 --- a/PIL/GimpPaletteFile.py +++ /dev/null @@ -1,62 +0,0 @@ -# -# Python Imaging Library -# $Id$ -# -# stuff to read GIMP palette files -# -# History: -# 1997-08-23 fl Created -# 2004-09-07 fl Support GIMP 2.0 palette files. -# -# Copyright (c) Secret Labs AB 1997-2004. All rights reserved. -# Copyright (c) Fredrik Lundh 1997-2004. -# -# See the README file for information on usage and redistribution. -# - -import re -from PIL._binary import o8 - - -## -# File handler for GIMP's palette format. - -class GimpPaletteFile(object): - - rawmode = "RGB" - - def __init__(self, fp): - - self.palette = [o8(i)*3 for i in range(256)] - - if fp.readline()[:12] != b"GIMP Palette": - raise SyntaxError("not a GIMP palette file") - - i = 0 - - while i <= 255: - - s = fp.readline() - - if not s: - break - # skip fields and comment lines - if re.match(b"\w+:|#", s): - continue - if len(s) > 100: - raise SyntaxError("bad palette file") - - v = tuple(map(int, s.split()[:3])) - if len(v) != 3: - raise ValueError("bad palette entry") - - if 0 <= i <= 255: - self.palette[i] = o8(v[0]) + o8(v[1]) + o8(v[2]) - - i += 1 - - self.palette = b"".join(self.palette) - - def getpalette(self): - - return self.palette, self.rawmode diff --git a/PIL/IcnsImagePlugin.py b/PIL/IcnsImagePlugin.py deleted file mode 100644 index d93e0de0455..00000000000 --- a/PIL/IcnsImagePlugin.py +++ /dev/null @@ -1,366 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# macOS icns file decoder, based on icns.py by Bob Ippolito. -# -# history: -# 2004-10-09 fl Turned into a PIL plugin; removed 2.3 dependencies. -# -# Copyright (c) 2004 by Bob Ippolito. -# Copyright (c) 2004 by Secret Labs. -# Copyright (c) 2004 by Fredrik Lundh. -# Copyright (c) 2014 by Alastair Houghton. -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image, ImageFile, PngImagePlugin, _binary -import io -import os -import shutil -import struct -import sys -import tempfile - -enable_jpeg2k = hasattr(Image.core, 'jp2klib_version') -if enable_jpeg2k: - from PIL import Jpeg2KImagePlugin - -i8 = _binary.i8 - -HEADERSIZE = 8 - - -def nextheader(fobj): - return struct.unpack('>4sI', fobj.read(HEADERSIZE)) - - -def read_32t(fobj, start_length, size): - # The 128x128 icon seems to have an extra header for some reason. - (start, length) = start_length - fobj.seek(start) - sig = fobj.read(4) - if sig != b'\x00\x00\x00\x00': - raise SyntaxError('Unknown signature, expecting 0x00000000') - return read_32(fobj, (start + 4, length - 4), size) - - -def read_32(fobj, start_length, size): - """ - Read a 32bit RGB icon resource. Seems to be either uncompressed or - an RLE packbits-like scheme. - """ - (start, length) = start_length - fobj.seek(start) - pixel_size = (size[0] * size[2], size[1] * size[2]) - sizesq = pixel_size[0] * pixel_size[1] - if length == sizesq * 3: - # uncompressed ("RGBRGBGB") - indata = fobj.read(length) - im = Image.frombuffer("RGB", pixel_size, indata, "raw", "RGB", 0, 1) - else: - # decode image - im = Image.new("RGB", pixel_size, None) - for band_ix in range(3): - data = [] - bytesleft = sizesq - while bytesleft > 0: - byte = fobj.read(1) - if not byte: - break - byte = i8(byte) - if byte & 0x80: - blocksize = byte - 125 - byte = fobj.read(1) - for i in range(blocksize): - data.append(byte) - else: - blocksize = byte + 1 - data.append(fobj.read(blocksize)) - bytesleft -= blocksize - if bytesleft <= 0: - break - if bytesleft != 0: - raise SyntaxError( - "Error reading channel [%r left]" % bytesleft - ) - band = Image.frombuffer( - "L", pixel_size, b"".join(data), "raw", "L", 0, 1 - ) - im.im.putband(band.im, band_ix) - return {"RGB": im} - - -def read_mk(fobj, start_length, size): - # Alpha masks seem to be uncompressed - start = start_length[0] - fobj.seek(start) - pixel_size = (size[0] * size[2], size[1] * size[2]) - sizesq = pixel_size[0] * pixel_size[1] - band = Image.frombuffer( - "L", pixel_size, fobj.read(sizesq), "raw", "L", 0, 1 - ) - return {"A": band} - - -def read_png_or_jpeg2000(fobj, start_length, size): - (start, length) = start_length - fobj.seek(start) - sig = fobj.read(12) - if sig[:8] == b'\x89PNG\x0d\x0a\x1a\x0a': - fobj.seek(start) - im = PngImagePlugin.PngImageFile(fobj) - return {"RGBA": im} - elif sig[:4] == b'\xff\x4f\xff\x51' \ - or sig[:4] == b'\x0d\x0a\x87\x0a' \ - or sig == b'\x00\x00\x00\x0cjP \x0d\x0a\x87\x0a': - if not enable_jpeg2k: - raise ValueError('Unsupported icon subimage format (rebuild PIL ' - 'with JPEG 2000 support to fix this)') - # j2k, jpc or j2c - fobj.seek(start) - jp2kstream = fobj.read(length) - f = io.BytesIO(jp2kstream) - im = Jpeg2KImagePlugin.Jpeg2KImageFile(f) - if im.mode != 'RGBA': - im = im.convert('RGBA') - return {"RGBA": im} - else: - raise ValueError('Unsupported icon subimage format') - - -class IcnsFile(object): - - SIZES = { - (512, 512, 2): [ - (b'ic10', read_png_or_jpeg2000), - ], - (512, 512, 1): [ - (b'ic09', read_png_or_jpeg2000), - ], - (256, 256, 2): [ - (b'ic14', read_png_or_jpeg2000), - ], - (256, 256, 1): [ - (b'ic08', read_png_or_jpeg2000), - ], - (128, 128, 2): [ - (b'ic13', read_png_or_jpeg2000), - ], - (128, 128, 1): [ - (b'ic07', read_png_or_jpeg2000), - (b'it32', read_32t), - (b't8mk', read_mk), - ], - (64, 64, 1): [ - (b'icp6', read_png_or_jpeg2000), - ], - (32, 32, 2): [ - (b'ic12', read_png_or_jpeg2000), - ], - (48, 48, 1): [ - (b'ih32', read_32), - (b'h8mk', read_mk), - ], - (32, 32, 1): [ - (b'icp5', read_png_or_jpeg2000), - (b'il32', read_32), - (b'l8mk', read_mk), - ], - (16, 16, 2): [ - (b'ic11', read_png_or_jpeg2000), - ], - (16, 16, 1): [ - (b'icp4', read_png_or_jpeg2000), - (b'is32', read_32), - (b's8mk', read_mk), - ], - } - - def __init__(self, fobj): - """ - fobj is a file-like object as an icns resource - """ - # signature : (start, length) - self.dct = dct = {} - self.fobj = fobj - sig, filesize = nextheader(fobj) - if sig != b'icns': - raise SyntaxError('not an icns file') - i = HEADERSIZE - while i < filesize: - sig, blocksize = nextheader(fobj) - if blocksize <= 0: - raise SyntaxError('invalid block header') - i += HEADERSIZE - blocksize -= HEADERSIZE - dct[sig] = (i, blocksize) - fobj.seek(blocksize, 1) - i += blocksize - - def itersizes(self): - sizes = [] - for size, fmts in self.SIZES.items(): - for (fmt, reader) in fmts: - if fmt in self.dct: - sizes.append(size) - break - return sizes - - def bestsize(self): - sizes = self.itersizes() - if not sizes: - raise SyntaxError("No 32bit icon resources found") - return max(sizes) - - def dataforsize(self, size): - """ - Get an icon resource as {channel: array}. Note that - the arrays are bottom-up like windows bitmaps and will likely - need to be flipped or transposed in some way. - """ - dct = {} - for code, reader in self.SIZES[size]: - desc = self.dct.get(code) - if desc is not None: - dct.update(reader(self.fobj, desc, size)) - return dct - - def getimage(self, size=None): - if size is None: - size = self.bestsize() - if len(size) == 2: - size = (size[0], size[1], 1) - channels = self.dataforsize(size) - - im = channels.get('RGBA', None) - if im: - return im - - im = channels.get("RGB").copy() - try: - im.putalpha(channels["A"]) - except KeyError: - pass - return im - - -## -# Image plugin for Mac OS icons. - -class IcnsImageFile(ImageFile.ImageFile): - """ - PIL image support for Mac OS .icns files. - Chooses the best resolution, but will possibly load - a different size image if you mutate the size attribute - before calling 'load'. - - The info dictionary has a key 'sizes' that is a list - of sizes that the icns file has. - """ - - format = "ICNS" - format_description = "Mac OS icns resource" - - def _open(self): - self.icns = IcnsFile(self.fp) - self.mode = 'RGBA' - self.best_size = self.icns.bestsize() - self.size = (self.best_size[0] * self.best_size[2], - self.best_size[1] * self.best_size[2]) - self.info['sizes'] = self.icns.itersizes() - # Just use this to see if it's loaded or not yet. - self.tile = ('',) - - def load(self): - if len(self.size) == 3: - self.best_size = self.size - self.size = (self.best_size[0] * self.best_size[2], - self.best_size[1] * self.best_size[2]) - - Image.Image.load(self) - if not self.tile: - return - self.load_prepare() - # This is likely NOT the best way to do it, but whatever. - im = self.icns.getimage(self.best_size) - - # If this is a PNG or JPEG 2000, it won't be loaded yet - im.load() - - self.im = im.im - self.mode = im.mode - self.size = im.size - self.fp = None - self.icns = None - self.tile = () - self.load_end() - - -def _save(im, fp, filename): - """ - Saves the image as a series of PNG files, - that are then converted to a .icns file - using the macOS command line utility 'iconutil'. - - macOS only. - """ - if hasattr(fp, "flush"): - fp.flush() - - # create the temporary set of pngs - iconset = tempfile.mkdtemp('.iconset') - last_w = None - last_im = None - for w in [16, 32, 128, 256, 512]: - prefix = 'icon_{}x{}'.format(w, w) - - if last_w == w: - im_scaled = last_im - else: - im_scaled = im.resize((w, w), Image.LANCZOS) - im_scaled.save(os.path.join(iconset, prefix+'.png')) - - im_scaled = im.resize((w*2, w*2), Image.LANCZOS) - im_scaled.save(os.path.join(iconset, prefix+'@2x.png')) - last_im = im_scaled - - # iconutil -c icns -o {} {} - from subprocess import Popen, PIPE, CalledProcessError - - convert_cmd = ["iconutil", "-c", "icns", "-o", filename, iconset] - stderr = tempfile.TemporaryFile() - convert_proc = Popen(convert_cmd, stdout=PIPE, stderr=stderr) - - convert_proc.stdout.close() - - retcode = convert_proc.wait() - - # remove the temporary files - shutil.rmtree(iconset) - - if retcode: - raise CalledProcessError(retcode, convert_cmd) - -Image.register_open(IcnsImageFile.format, IcnsImageFile, - lambda x: x[:4] == b'icns') -Image.register_extension(IcnsImageFile.format, '.icns') - -if sys.platform == 'darwin': - Image.register_save(IcnsImageFile.format, _save) - - Image.register_mime(IcnsImageFile.format, "image/icns") - - -if __name__ == '__main__': - imf = IcnsImageFile(open(sys.argv[1], 'rb')) - for size in imf.info['sizes']: - imf.size = size - imf.load() - im = imf.im - im.save('out-%s-%s-%s.png' % size) - im = Image.open(open(sys.argv[1], "rb")) - im.save("out.png") - if sys.platform == 'windows': - os.startfile("out.png") diff --git a/PIL/IcoImagePlugin.py b/PIL/IcoImagePlugin.py deleted file mode 100644 index a01aed376ce..00000000000 --- a/PIL/IcoImagePlugin.py +++ /dev/null @@ -1,283 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# Windows Icon support for PIL -# -# History: -# 96-05-27 fl Created -# -# Copyright (c) Secret Labs AB 1997. -# Copyright (c) Fredrik Lundh 1996. -# -# See the README file for information on usage and redistribution. -# - -# This plugin is a refactored version of Win32IconImagePlugin by Bryan Davis -# . -# https://code.google.com/archive/p/casadebender/wikis/Win32IconImagePlugin.wiki -# -# Icon format references: -# * https://en.wikipedia.org/wiki/ICO_(file_format) -# * https://msdn.microsoft.com/en-us/library/ms997538.aspx - - -import struct -from io import BytesIO - -from PIL import Image, ImageFile, BmpImagePlugin, PngImagePlugin, _binary -from math import log, ceil - -__version__ = "0.1" - -# -# -------------------------------------------------------------------- - -i8 = _binary.i8 -i16 = _binary.i16le -i32 = _binary.i32le - -_MAGIC = b"\0\0\1\0" - - -def _save(im, fp, filename): - fp.write(_MAGIC) # (2+2) - sizes = im.encoderinfo.get("sizes", - [(16, 16), (24, 24), (32, 32), (48, 48), - (64, 64), (128, 128), (255, 255)]) - width, height = im.size - filter(lambda x: False if (x[0] > width or x[1] > height or - x[0] > 255 or x[1] > 255) else True, sizes) - fp.write(struct.pack("=8bpp) - 'reserved': i8(s[3]), - 'planes': i16(s[4:]), - 'bpp': i16(s[6:]), - 'size': i32(s[8:]), - 'offset': i32(s[12:]) - } - - # See Wikipedia - for j in ('width', 'height'): - if not icon_header[j]: - icon_header[j] = 256 - - # See Wikipedia notes about color depth. - # We need this just to differ images with equal sizes - icon_header['color_depth'] = (icon_header['bpp'] or - (icon_header['nb_color'] != 0 and - ceil(log(icon_header['nb_color'], - 2))) or 256) - - icon_header['dim'] = (icon_header['width'], icon_header['height']) - icon_header['square'] = (icon_header['width'] * - icon_header['height']) - - self.entry.append(icon_header) - - self.entry = sorted(self.entry, key=lambda x: x['color_depth']) - # ICO images are usually squares - # self.entry = sorted(self.entry, key=lambda x: x['width']) - self.entry = sorted(self.entry, key=lambda x: x['square']) - self.entry.reverse() - - def sizes(self): - """ - Get a list of all available icon sizes and color depths. - """ - return set((h['width'], h['height']) for h in self.entry) - - def getimage(self, size, bpp=False): - """ - Get an image from the icon - """ - for (i, h) in enumerate(self.entry): - if size == h['dim'] and (bpp is False or bpp == h['color_depth']): - return self.frame(i) - return self.frame(0) - - def frame(self, idx): - """ - Get an image from frame idx - """ - - header = self.entry[idx] - - self.buf.seek(header['offset']) - data = self.buf.read(8) - self.buf.seek(header['offset']) - - if data[:8] == PngImagePlugin._MAGIC: - # png frame - im = PngImagePlugin.PngImageFile(self.buf) - else: - # XOR + AND mask bmp frame - im = BmpImagePlugin.DibImageFile(self.buf) - - # change tile dimension to only encompass XOR image - im.size = (im.size[0], int(im.size[1] / 2)) - d, e, o, a = im.tile[0] - im.tile[0] = d, (0, 0) + im.size, o, a - - # figure out where AND mask image starts - mode = a[0] - bpp = 8 - for k in BmpImagePlugin.BIT2MODE.keys(): - if mode == BmpImagePlugin.BIT2MODE[k][1]: - bpp = k - break - - if 32 == bpp: - # 32-bit color depth icon image allows semitransparent areas - # PIL's DIB format ignores transparency bits, recover them. - # The DIB is packed in BGRX byte order where X is the alpha - # channel. - - # Back up to start of bmp data - self.buf.seek(o) - # extract every 4th byte (eg. 3,7,11,15,...) - alpha_bytes = self.buf.read(im.size[0] * im.size[1] * 4)[3::4] - - # convert to an 8bpp grayscale image - mask = Image.frombuffer( - 'L', # 8bpp - im.size, # (w, h) - alpha_bytes, # source chars - 'raw', # raw decoder - ('L', 0, -1) # 8bpp inverted, unpadded, reversed - ) - else: - # get AND image from end of bitmap - w = im.size[0] - if (w % 32) > 0: - # bitmap row data is aligned to word boundaries - w += 32 - (im.size[0] % 32) - - # the total mask data is - # padded row size * height / bits per char - - and_mask_offset = o + int(im.size[0] * im.size[1] * - (bpp / 8.0)) - total_bytes = int((w * im.size[1]) / 8) - - self.buf.seek(and_mask_offset) - maskData = self.buf.read(total_bytes) - - # convert raw data to image - mask = Image.frombuffer( - '1', # 1 bpp - im.size, # (w, h) - maskData, # source chars - 'raw', # raw decoder - ('1;I', int(w/8), -1) # 1bpp inverted, padded, reversed - ) - - # now we have two images, im is XOR image and mask is AND image - - # apply mask image as alpha channel - im = im.convert('RGBA') - im.putalpha(mask) - - return im - - -## -# Image plugin for Windows Icon files. - -class IcoImageFile(ImageFile.ImageFile): - """ - PIL read-only image support for Microsoft Windows .ico files. - - By default the largest resolution image in the file will be loaded. This - can be changed by altering the 'size' attribute before calling 'load'. - - The info dictionary has a key 'sizes' that is a list of the sizes available - in the icon file. - - Handles classic, XP and Vista icon formats. - - This plugin is a refactored version of Win32IconImagePlugin by Bryan Davis - . - https://code.google.com/archive/p/casadebender/wikis/Win32IconImagePlugin.wiki - """ - format = "ICO" - format_description = "Windows Icon" - - def _open(self): - self.ico = IcoFile(self.fp) - self.info['sizes'] = self.ico.sizes() - self.size = self.ico.entry[0]['dim'] - self.load() - - def load(self): - im = self.ico.getimage(self.size) - # if tile is PNG, it won't really be loaded yet - im.load() - self.im = im.im - self.mode = im.mode - self.size = im.size - - def load_seek(self): - # Flag the ImageFile.Parser so that it - # just does all the decode at the end. - pass -# -# -------------------------------------------------------------------- - -Image.register_open(IcoImageFile.format, IcoImageFile, _accept) -Image.register_save(IcoImageFile.format, _save) -Image.register_extension(IcoImageFile.format, ".ico") diff --git a/PIL/ImImagePlugin.py b/PIL/ImImagePlugin.py deleted file mode 100644 index dd4f8290096..00000000000 --- a/PIL/ImImagePlugin.py +++ /dev/null @@ -1,355 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# IFUNC IM file handling for PIL -# -# history: -# 1995-09-01 fl Created. -# 1997-01-03 fl Save palette images -# 1997-01-08 fl Added sequence support -# 1997-01-23 fl Added P and RGB save support -# 1997-05-31 fl Read floating point images -# 1997-06-22 fl Save floating point images -# 1997-08-27 fl Read and save 1-bit images -# 1998-06-25 fl Added support for RGB+LUT images -# 1998-07-02 fl Added support for YCC images -# 1998-07-15 fl Renamed offset attribute to avoid name clash -# 1998-12-29 fl Added I;16 support -# 2001-02-17 fl Use 're' instead of 'regex' (Python 2.1) (0.7) -# 2003-09-26 fl Added LA/PA support -# -# Copyright (c) 1997-2003 by Secret Labs AB. -# Copyright (c) 1995-2001 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - - -import re -from PIL import Image, ImageFile, ImagePalette -from PIL._binary import i8 - -__version__ = "0.7" - - -# -------------------------------------------------------------------- -# Standard tags - -COMMENT = "Comment" -DATE = "Date" -EQUIPMENT = "Digitalization equipment" -FRAMES = "File size (no of images)" -LUT = "Lut" -NAME = "Name" -SCALE = "Scale (x,y)" -SIZE = "Image size (x*y)" -MODE = "Image type" - -TAGS = {COMMENT: 0, DATE: 0, EQUIPMENT: 0, FRAMES: 0, LUT: 0, NAME: 0, - SCALE: 0, SIZE: 0, MODE: 0} - -OPEN = { - # ifunc93/p3cfunc formats - "0 1 image": ("1", "1"), - "L 1 image": ("1", "1"), - "Greyscale image": ("L", "L"), - "Grayscale image": ("L", "L"), - "RGB image": ("RGB", "RGB;L"), - "RLB image": ("RGB", "RLB"), - "RYB image": ("RGB", "RLB"), - "B1 image": ("1", "1"), - "B2 image": ("P", "P;2"), - "B4 image": ("P", "P;4"), - "X 24 image": ("RGB", "RGB"), - "L 32 S image": ("I", "I;32"), - "L 32 F image": ("F", "F;32"), - # old p3cfunc formats - "RGB3 image": ("RGB", "RGB;T"), - "RYB3 image": ("RGB", "RYB;T"), - # extensions - "LA image": ("LA", "LA;L"), - "RGBA image": ("RGBA", "RGBA;L"), - "RGBX image": ("RGBX", "RGBX;L"), - "CMYK image": ("CMYK", "CMYK;L"), - "YCC image": ("YCbCr", "YCbCr;L"), -} - -# ifunc95 extensions -for i in ["8", "8S", "16", "16S", "32", "32F"]: - OPEN["L %s image" % i] = ("F", "F;%s" % i) - OPEN["L*%s image" % i] = ("F", "F;%s" % i) -for i in ["16", "16L", "16B"]: - OPEN["L %s image" % i] = ("I;%s" % i, "I;%s" % i) - OPEN["L*%s image" % i] = ("I;%s" % i, "I;%s" % i) -for i in ["32S"]: - OPEN["L %s image" % i] = ("I", "I;%s" % i) - OPEN["L*%s image" % i] = ("I", "I;%s" % i) -for i in range(2, 33): - OPEN["L*%s image" % i] = ("F", "F;%s" % i) - - -# -------------------------------------------------------------------- -# Read IM directory - -split = re.compile(br"^([A-Za-z][^:]*):[ \t]*(.*)[ \t]*$") - - -def number(s): - try: - return int(s) - except ValueError: - return float(s) - - -## -# Image plugin for the IFUNC IM file format. - -class ImImageFile(ImageFile.ImageFile): - - format = "IM" - format_description = "IFUNC Image Memory" - - def _open(self): - - # Quick rejection: if there's not an LF among the first - # 100 bytes, this is (probably) not a text header. - - if b"\n" not in self.fp.read(100): - raise SyntaxError("not an IM file") - self.fp.seek(0) - - n = 0 - - # Default values - self.info[MODE] = "L" - self.info[SIZE] = (512, 512) - self.info[FRAMES] = 1 - - self.rawmode = "L" - - while True: - - s = self.fp.read(1) - - # Some versions of IFUNC uses \n\r instead of \r\n... - if s == b"\r": - continue - - if not s or s == b'\0' or s == b'\x1A': - break - - # FIXME: this may read whole file if not a text file - s = s + self.fp.readline() - - if len(s) > 100: - raise SyntaxError("not an IM file") - - if s[-2:] == b'\r\n': - s = s[:-2] - elif s[-1:] == b'\n': - s = s[:-1] - - try: - m = split.match(s) - except re.error as v: - raise SyntaxError("not an IM file") - - if m: - - k, v = m.group(1, 2) - - # Don't know if this is the correct encoding, - # but a decent guess (I guess) - k = k.decode('latin-1', 'replace') - v = v.decode('latin-1', 'replace') - - # Convert value as appropriate - if k in [FRAMES, SCALE, SIZE]: - v = v.replace("*", ",") - v = tuple(map(number, v.split(","))) - if len(v) == 1: - v = v[0] - elif k == MODE and v in OPEN: - v, self.rawmode = OPEN[v] - - # Add to dictionary. Note that COMMENT tags are - # combined into a list of strings. - if k == COMMENT: - if k in self.info: - self.info[k].append(v) - else: - self.info[k] = [v] - else: - self.info[k] = v - - if k in TAGS: - n += 1 - - else: - - raise SyntaxError("Syntax error in IM header: " + - s.decode('ascii', 'replace')) - - if not n: - raise SyntaxError("Not an IM file") - - # Basic attributes - self.size = self.info[SIZE] - self.mode = self.info[MODE] - - # Skip forward to start of image data - while s and s[0:1] != b'\x1A': - s = self.fp.read(1) - if not s: - raise SyntaxError("File truncated") - - if LUT in self.info: - # convert lookup table to palette or lut attribute - palette = self.fp.read(768) - greyscale = 1 # greyscale palette - linear = 1 # linear greyscale palette - for i in range(256): - if palette[i] == palette[i+256] == palette[i+512]: - if i8(palette[i]) != i: - linear = 0 - else: - greyscale = 0 - if self.mode == "L" or self.mode == "LA": - if greyscale: - if not linear: - self.lut = [i8(c) for c in palette[:256]] - else: - if self.mode == "L": - self.mode = self.rawmode = "P" - elif self.mode == "LA": - self.mode = self.rawmode = "PA" - self.palette = ImagePalette.raw("RGB;L", palette) - elif self.mode == "RGB": - if not greyscale or not linear: - self.lut = [i8(c) for c in palette] - - self.frame = 0 - - self.__offset = offs = self.fp.tell() - - self.__fp = self.fp # FIXME: hack - - if self.rawmode[:2] == "F;": - - # ifunc95 formats - try: - # use bit decoder (if necessary) - bits = int(self.rawmode[2:]) - if bits not in [8, 16, 32]: - self.tile = [("bit", (0, 0)+self.size, offs, - (bits, 8, 3, 0, -1))] - return - except ValueError: - pass - - if self.rawmode in ["RGB;T", "RYB;T"]: - # Old LabEye/3PC files. Would be very surprised if anyone - # ever stumbled upon such a file ;-) - size = self.size[0] * self.size[1] - self.tile = [("raw", (0, 0)+self.size, offs, ("G", 0, -1)), - ("raw", (0, 0)+self.size, offs+size, ("R", 0, -1)), - ("raw", (0, 0)+self.size, offs+2*size, ("B", 0, -1))] - else: - # LabEye/IFUNC files - self.tile = [("raw", (0, 0)+self.size, offs, - (self.rawmode, 0, -1))] - - @property - def n_frames(self): - return self.info[FRAMES] - - @property - def is_animated(self): - return self.info[FRAMES] > 1 - - def seek(self, frame): - - if frame < 0 or frame >= self.info[FRAMES]: - raise EOFError("seek outside sequence") - - if self.frame == frame: - return - - self.frame = frame - - if self.mode == "1": - bits = 1 - else: - bits = 8 * len(self.mode) - - size = ((self.size[0] * bits + 7) // 8) * self.size[1] - offs = self.__offset + frame * size - - self.fp = self.__fp - - self.tile = [("raw", (0, 0)+self.size, offs, (self.rawmode, 0, -1))] - - def tell(self): - - return self.frame - -# -# -------------------------------------------------------------------- -# Save IM files - -SAVE = { - # mode: (im type, raw mode) - "1": ("0 1", "1"), - "L": ("Greyscale", "L"), - "LA": ("LA", "LA;L"), - "P": ("Greyscale", "P"), - "PA": ("LA", "PA;L"), - "I": ("L 32S", "I;32S"), - "I;16": ("L 16", "I;16"), - "I;16L": ("L 16L", "I;16L"), - "I;16B": ("L 16B", "I;16B"), - "F": ("L 32F", "F;32F"), - "RGB": ("RGB", "RGB;L"), - "RGBA": ("RGBA", "RGBA;L"), - "RGBX": ("RGBX", "RGBX;L"), - "CMYK": ("CMYK", "CMYK;L"), - "YCbCr": ("YCC", "YCbCr;L") -} - - -def _save(im, fp, filename, check=0): - - try: - image_type, rawmode = SAVE[im.mode] - except KeyError: - raise ValueError("Cannot save %s images as IM" % im.mode) - - try: - frames = im.encoderinfo["frames"] - except KeyError: - frames = 1 - - if check: - return check - - fp.write(("Image type: %s image\r\n" % image_type).encode('ascii')) - if filename: - fp.write(("Name: %s\r\n" % filename).encode('ascii')) - fp.write(("Image size (x*y): %d*%d\r\n" % im.size).encode('ascii')) - fp.write(("File size (no of images): %d\r\n" % frames).encode('ascii')) - if im.mode == "P": - fp.write(b"Lut: 1\r\n") - fp.write(b"\000" * (511-fp.tell()) + b"\032") - if im.mode == "P": - fp.write(im.im.getpalette("RGB", "RGB;L")) # 768 bytes - ImageFile._save(im, fp, [("raw", (0, 0)+im.size, 0, (rawmode, 0, -1))]) - -# -# -------------------------------------------------------------------- -# Registry - -Image.register_open(ImImageFile.format, ImImageFile) -Image.register_save(ImImageFile.format, _save) - -Image.register_extension(ImImageFile.format, ".im") diff --git a/PIL/Image.py b/PIL/Image.py deleted file mode 100644 index a23a7d92ce6..00000000000 --- a/PIL/Image.py +++ /dev/null @@ -1,2522 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# the Image class wrapper -# -# partial release history: -# 1995-09-09 fl Created -# 1996-03-11 fl PIL release 0.0 (proof of concept) -# 1996-04-30 fl PIL release 0.1b1 -# 1999-07-28 fl PIL release 1.0 final -# 2000-06-07 fl PIL release 1.1 -# 2000-10-20 fl PIL release 1.1.1 -# 2001-05-07 fl PIL release 1.1.2 -# 2002-03-15 fl PIL release 1.1.3 -# 2003-05-10 fl PIL release 1.1.4 -# 2005-03-28 fl PIL release 1.1.5 -# 2006-12-02 fl PIL release 1.1.6 -# 2009-11-15 fl PIL release 1.1.7 -# -# Copyright (c) 1997-2009 by Secret Labs AB. All rights reserved. -# Copyright (c) 1995-2009 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - -from __future__ import print_function - -from PIL import VERSION, PILLOW_VERSION, _plugins - -import logging -import warnings -import math - -logger = logging.getLogger(__name__) - - -class DecompressionBombWarning(RuntimeWarning): - pass - - -class _imaging_not_installed(object): - # module placeholder - def __getattr__(self, id): - raise ImportError("The _imaging C module is not installed") - - -# Limit to around a quarter gigabyte for a 24 bit (3 bpp) image -MAX_IMAGE_PIXELS = int(1024 * 1024 * 1024 / 4 / 3) - -try: - # give Tk a chance to set up the environment, in case we're - # using an _imaging module linked against libtcl/libtk (use - # __import__ to hide this from naive packagers; we don't really - # depend on Tk unless ImageTk is used, and that module already - # imports Tkinter) - __import__("FixTk") -except ImportError: - pass - -try: - # If the _imaging C module is not present, Pillow will not load. - # Note that other modules should not refer to _imaging directly; - # import Image and use the Image.core variable instead. - # Also note that Image.core is not a publicly documented interface, - # and should be considered private and subject to change. - from PIL import _imaging as core - if PILLOW_VERSION != getattr(core, 'PILLOW_VERSION', None): - raise ImportError("The _imaging extension was built for another " - " version of Pillow or PIL") - -except ImportError as v: - core = _imaging_not_installed() - # Explanations for ways that we know we might have an import error - if str(v).startswith("Module use of python"): - # The _imaging C module is present, but not compiled for - # the right version (windows only). Print a warning, if - # possible. - warnings.warn( - "The _imaging extension was built for another version " - "of Python.", - RuntimeWarning - ) - elif str(v).startswith("The _imaging extension"): - warnings.warn(str(v), RuntimeWarning) - elif "Symbol not found: _PyUnicodeUCS2_" in str(v): - # should match _PyUnicodeUCS2_FromString and - # _PyUnicodeUCS2_AsLatin1String - warnings.warn( - "The _imaging extension was built for Python with UCS2 support; " - "recompile Pillow or build Python --without-wide-unicode. ", - RuntimeWarning - ) - elif "Symbol not found: _PyUnicodeUCS4_" in str(v): - # should match _PyUnicodeUCS4_FromString and - # _PyUnicodeUCS4_AsLatin1String - warnings.warn( - "The _imaging extension was built for Python with UCS4 support; " - "recompile Pillow or build Python --with-wide-unicode. ", - RuntimeWarning - ) - # Fail here anyway. Don't let people run with a mostly broken Pillow. - # see docs/porting.rst - raise - -try: - import builtins -except ImportError: - import __builtin__ - builtins = __builtin__ - -from PIL import ImageMode -from PIL._binary import i8 -from PIL._util import isPath -from PIL._util import isStringType -from PIL._util import deferred_error - -import os -import sys -import io -import struct - -# type stuff -import collections -import numbers - -# works everywhere, win for pypy, not cpython -USE_CFFI_ACCESS = hasattr(sys, 'pypy_version_info') -try: - import cffi - HAS_CFFI = True -except ImportError: - HAS_CFFI = False - - -def isImageType(t): - """ - Checks if an object is an image object. - - .. warning:: - - This function is for internal use only. - - :param t: object to check if it's an image - :returns: True if the object is an image - """ - return hasattr(t, "im") - -# -# Constants (also defined in _imagingmodule.c!) - -NONE = 0 - -# transpose -FLIP_LEFT_RIGHT = 0 -FLIP_TOP_BOTTOM = 1 -ROTATE_90 = 2 -ROTATE_180 = 3 -ROTATE_270 = 4 -TRANSPOSE = 5 - -# transforms -AFFINE = 0 -EXTENT = 1 -PERSPECTIVE = 2 -QUAD = 3 -MESH = 4 - -# resampling filters -NEAREST = NONE = 0 -BOX = 4 -BILINEAR = LINEAR = 2 -HAMMING = 5 -BICUBIC = CUBIC = 3 -LANCZOS = ANTIALIAS = 1 - -# dithers -NEAREST = NONE = 0 -ORDERED = 1 # Not yet implemented -RASTERIZE = 2 # Not yet implemented -FLOYDSTEINBERG = 3 # default - -# palettes/quantizers -WEB = 0 -ADAPTIVE = 1 - -MEDIANCUT = 0 -MAXCOVERAGE = 1 -FASTOCTREE = 2 -LIBIMAGEQUANT = 3 - -# categories -NORMAL = 0 -SEQUENCE = 1 -CONTAINER = 2 - -if hasattr(core, 'DEFAULT_STRATEGY'): - DEFAULT_STRATEGY = core.DEFAULT_STRATEGY - FILTERED = core.FILTERED - HUFFMAN_ONLY = core.HUFFMAN_ONLY - RLE = core.RLE - FIXED = core.FIXED - - -# -------------------------------------------------------------------- -# Registries - -ID = [] -OPEN = {} -MIME = {} -SAVE = {} -SAVE_ALL = {} -EXTENSION = {} - -# -------------------------------------------------------------------- -# Modes supported by this version - -_MODEINFO = { - # NOTE: this table will be removed in future versions. use - # getmode* functions or ImageMode descriptors instead. - - # official modes - "1": ("L", "L", ("1",)), - "L": ("L", "L", ("L",)), - "I": ("L", "I", ("I",)), - "F": ("L", "F", ("F",)), - "P": ("RGB", "L", ("P",)), - "RGB": ("RGB", "L", ("R", "G", "B")), - "RGBX": ("RGB", "L", ("R", "G", "B", "X")), - "RGBA": ("RGB", "L", ("R", "G", "B", "A")), - "CMYK": ("RGB", "L", ("C", "M", "Y", "K")), - "YCbCr": ("RGB", "L", ("Y", "Cb", "Cr")), - "LAB": ("RGB", "L", ("L", "A", "B")), - "HSV": ("RGB", "L", ("H", "S", "V")), - - # Experimental modes include I;16, I;16L, I;16B, RGBa, BGR;15, and - # BGR;24. Use these modes only if you know exactly what you're - # doing... - -} - -if sys.byteorder == 'little': - _ENDIAN = '<' -else: - _ENDIAN = '>' - -_MODE_CONV = { - # official modes - "1": ('|b1', None), # Bits need to be extended to bytes - "L": ('|u1', None), - "LA": ('|u1', 2), - "I": (_ENDIAN + 'i4', None), - "F": (_ENDIAN + 'f4', None), - "P": ('|u1', None), - "RGB": ('|u1', 3), - "RGBX": ('|u1', 4), - "RGBA": ('|u1', 4), - "CMYK": ('|u1', 4), - "YCbCr": ('|u1', 3), - "LAB": ('|u1', 3), # UNDONE - unsigned |u1i1i1 - "HSV": ('|u1', 3), - # I;16 == I;16L, and I;32 == I;32L - "I;16": ('u2', None), - "I;16L": ('i2', None), - "I;16LS": ('u4', None), - "I;32L": ('i4', None), - "I;32LS": ('= 1: - return - - try: - from PIL import BmpImagePlugin - except ImportError: - pass - try: - from PIL import GifImagePlugin - except ImportError: - pass - try: - from PIL import JpegImagePlugin - except ImportError: - pass - try: - from PIL import PpmImagePlugin - except ImportError: - pass - try: - from PIL import PngImagePlugin - except ImportError: - pass -# try: -# import TiffImagePlugin -# except ImportError: -# pass - - _initialized = 1 - - -def init(): - """ - Explicitly initializes the Python Imaging Library. This function - loads all available file format drivers. - """ - - global _initialized - if _initialized >= 2: - return 0 - - for plugin in _plugins: - try: - logger.debug("Importing %s", plugin) - __import__("PIL.%s" % plugin, globals(), locals(), []) - except ImportError as e: - logger.debug("Image: failed to import %s: %s", plugin, e) - - if OPEN or SAVE: - _initialized = 2 - return 1 - - -# -------------------------------------------------------------------- -# Codec factories (used by tobytes/frombytes and ImageFile.load) - -def _getdecoder(mode, decoder_name, args, extra=()): - - # tweak arguments - if args is None: - args = () - elif not isinstance(args, tuple): - args = (args,) - - try: - # get decoder - decoder = getattr(core, decoder_name + "_decoder") - # print(decoder, mode, args + extra) - return decoder(mode, *args + extra) - except AttributeError: - raise IOError("decoder %s not available" % decoder_name) - - -def _getencoder(mode, encoder_name, args, extra=()): - - # tweak arguments - if args is None: - args = () - elif not isinstance(args, tuple): - args = (args,) - - try: - # get encoder - encoder = getattr(core, encoder_name + "_encoder") - # print(encoder, mode, args + extra) - return encoder(mode, *args + extra) - except AttributeError: - raise IOError("encoder %s not available" % encoder_name) - - -# -------------------------------------------------------------------- -# Simple expression analyzer - -def coerce_e(value): - return value if isinstance(value, _E) else _E(value) - - -class _E(object): - def __init__(self, data): - self.data = data - - def __add__(self, other): - return _E((self.data, "__add__", coerce_e(other).data)) - - def __mul__(self, other): - return _E((self.data, "__mul__", coerce_e(other).data)) - - -def _getscaleoffset(expr): - stub = ["stub"] - data = expr(_E(stub)).data - try: - (a, b, c) = data # simplified syntax - if (a is stub and b == "__mul__" and isinstance(c, numbers.Number)): - return c, 0.0 - if a is stub and b == "__add__" and isinstance(c, numbers.Number): - return 1.0, c - except TypeError: - pass - try: - ((a, b, c), d, e) = data # full syntax - if (a is stub and b == "__mul__" and isinstance(c, numbers.Number) and - d == "__add__" and isinstance(e, numbers.Number)): - return c, e - except TypeError: - pass - raise ValueError("illegal expression") - - -# -------------------------------------------------------------------- -# Implementation wrapper - -class Image(object): - """ - This class represents an image object. To create - :py:class:`~PIL.Image.Image` objects, use the appropriate factory - functions. There's hardly ever any reason to call the Image constructor - directly. - - * :py:func:`~PIL.Image.open` - * :py:func:`~PIL.Image.new` - * :py:func:`~PIL.Image.frombytes` - """ - format = None - format_description = None - - def __init__(self): - # FIXME: take "new" parameters / other image? - # FIXME: turn mode and size into delegating properties? - self.im = None - self.mode = "" - self.size = (0, 0) - self.palette = None - self.info = {} - self.category = NORMAL - self.readonly = 0 - self.pyaccess = None - - @property - def width(self): - return self.size[0] - - @property - def height(self): - return self.size[1] - - def _new(self, im): - new = Image() - new.im = im - new.mode = im.mode - new.size = im.size - if self.palette: - new.palette = self.palette.copy() - if im.mode == "P" and not new.palette: - from PIL import ImagePalette - new.palette = ImagePalette.ImagePalette() - new.info = self.info.copy() - return new - - _makeself = _new # compatibility - - # Context Manager Support - def __enter__(self): - return self - - def __exit__(self, *args): - self.close() - - def close(self): - """ - Closes the file pointer, if possible. - - This operation will destroy the image core and release its memory. - The image data will be unusable afterward. - - This function is only required to close images that have not - had their file read and closed by the - :py:meth:`~PIL.Image.Image.load` method. - """ - try: - self.fp.close() - except Exception as msg: - logger.debug("Error closing: %s", msg) - - # Instead of simply setting to None, we're setting up a - # deferred error that will better explain that the core image - # object is gone. - self.im = deferred_error(ValueError("Operation on closed image")) - - def _copy(self): - self.load() - self.im = self.im.copy() - self.pyaccess = None - self.readonly = 0 - - def _dump(self, file=None, format=None): - import tempfile - suffix = '' - if format: - suffix = '.'+format - if not file: - f, file = tempfile.mkstemp(suffix) - os.close(f) - - self.load() - if not format or format == "PPM": - self.im.save_ppm(file) - else: - if not file.endswith(format): - file = file + "." + format - self.save(file, format) - return file - - def __eq__(self, other): - return (self.__class__.__name__ == other.__class__.__name__ and - self.mode == other.mode and - self.size == other.size and - self.info == other.info and - self.category == other.category and - self.readonly == other.readonly and - self.getpalette() == other.getpalette() and - self.tobytes() == other.tobytes()) - - def __ne__(self, other): - eq = (self == other) - return not eq - - def __repr__(self): - return "<%s.%s image mode=%s size=%dx%d at 0x%X>" % ( - self.__class__.__module__, self.__class__.__name__, - self.mode, self.size[0], self.size[1], - id(self) - ) - - def _repr_png_(self): - """ iPython display hook support - - :returns: png version of the image as bytes - """ - from io import BytesIO - b = BytesIO() - self.save(b, 'PNG') - return b.getvalue() - - @property - def __array_interface__(self): - # numpy array interface support - new = {} - shape, typestr = _conv_type_shape(self) - new['shape'] = shape - new['typestr'] = typestr - new['version'] = 3 - if self.mode == '1': - # Binary images need to be extended from bits to bytes - # See: https://github.com/python-pillow/Pillow/issues/350 - new['data'] = self.tobytes('raw', 'L') - else: - new['data'] = self.tobytes() - return new - - def __getstate__(self): - return [ - self.info, - self.mode, - self.size, - self.getpalette(), - self.tobytes()] - - def __setstate__(self, state): - Image.__init__(self) - self.tile = [] - info, mode, size, palette, data = state - self.info = info - self.mode = mode - self.size = size - self.im = core.new(mode, size) - if mode in ("L", "P") and palette: - self.putpalette(palette) - self.frombytes(data) - - def tobytes(self, encoder_name="raw", *args): - """ - Return image as a bytes object. - - .. warning:: - - This method returns the raw image data from the internal - storage. For compressed image data (e.g. PNG, JPEG) use - :meth:`~.save`, with a BytesIO parameter for in-memory - data. - - :param encoder_name: What encoder to use. The default is to - use the standard "raw" encoder. - :param args: Extra arguments to the encoder. - :rtype: A bytes object. - """ - - # may pass tuple instead of argument list - if len(args) == 1 and isinstance(args[0], tuple): - args = args[0] - - if encoder_name == "raw" and args == (): - args = self.mode - - self.load() - - # unpack data - e = _getencoder(self.mode, encoder_name, args) - e.setimage(self.im) - - bufsize = max(65536, self.size[0] * 4) # see RawEncode.c - - data = [] - while True: - l, s, d = e.encode(bufsize) - data.append(d) - if s: - break - if s < 0: - raise RuntimeError("encoder error %d in tobytes" % s) - - return b"".join(data) - - def tostring(self, *args, **kw): - raise NotImplementedError("tostring() has been removed. " + - "Please call tobytes() instead.") - - def tobitmap(self, name="image"): - """ - Returns the image converted to an X11 bitmap. - - .. note:: This method only works for mode "1" images. - - :param name: The name prefix to use for the bitmap variables. - :returns: A string containing an X11 bitmap. - :raises ValueError: If the mode is not "1" - """ - - self.load() - if self.mode != "1": - raise ValueError("not a bitmap") - data = self.tobytes("xbm") - return b"".join([ - ("#define %s_width %d\n" % (name, self.size[0])).encode('ascii'), - ("#define %s_height %d\n" % (name, self.size[1])).encode('ascii'), - ("static char %s_bits[] = {\n" % name).encode('ascii'), data, b"};" - ]) - - def frombytes(self, data, decoder_name="raw", *args): - """ - Loads this image with pixel data from a bytes object. - - This method is similar to the :py:func:`~PIL.Image.frombytes` function, - but loads data into this image instead of creating a new image object. - """ - - # may pass tuple instead of argument list - if len(args) == 1 and isinstance(args[0], tuple): - args = args[0] - - # default format - if decoder_name == "raw" and args == (): - args = self.mode - - # unpack data - d = _getdecoder(self.mode, decoder_name, args) - d.setimage(self.im) - s = d.decode(data) - - if s[0] >= 0: - raise ValueError("not enough image data") - if s[1] != 0: - raise ValueError("cannot decode image data") - - def fromstring(self, *args, **kw): - raise NotImplementedError("fromstring() has been removed. " + - "Please call frombytes() instead.") - - def load(self): - """ - Allocates storage for the image and loads the pixel data. In - normal cases, you don't need to call this method, since the - Image class automatically loads an opened image when it is - accessed for the first time. This method will close the file - associated with the image. - - :returns: An image access object. - :rtype: :ref:`PixelAccess` or :py:class:`PIL.PyAccess` - """ - if self.im and self.palette and self.palette.dirty: - # realize palette - self.im.putpalette(*self.palette.getdata()) - self.palette.dirty = 0 - self.palette.mode = "RGB" - self.palette.rawmode = None - if "transparency" in self.info: - if isinstance(self.info["transparency"], int): - self.im.putpalettealpha(self.info["transparency"], 0) - else: - self.im.putpalettealphas(self.info["transparency"]) - self.palette.mode = "RGBA" - - if self.im: - if HAS_CFFI and USE_CFFI_ACCESS: - if self.pyaccess: - return self.pyaccess - from PIL import PyAccess - self.pyaccess = PyAccess.new(self, self.readonly) - if self.pyaccess: - return self.pyaccess - return self.im.pixel_access(self.readonly) - - def verify(self): - """ - Verifies the contents of a file. For data read from a file, this - method attempts to determine if the file is broken, without - actually decoding the image data. If this method finds any - problems, it raises suitable exceptions. If you need to load - the image after using this method, you must reopen the image - file. - """ - pass - - def convert(self, mode=None, matrix=None, dither=None, - palette=WEB, colors=256): - """ - Returns a converted copy of this image. For the "P" mode, this - method translates pixels through the palette. If mode is - omitted, a mode is chosen so that all information in the image - and the palette can be represented without a palette. - - The current version supports all possible conversions between - "L", "RGB" and "CMYK." The **matrix** argument only supports "L" - and "RGB". - - When translating a color image to black and white (mode "L"), - the library uses the ITU-R 601-2 luma transform:: - - L = R * 299/1000 + G * 587/1000 + B * 114/1000 - - The default method of converting a greyscale ("L") or "RGB" - image into a bilevel (mode "1") image uses Floyd-Steinberg - dither to approximate the original image luminosity levels. If - dither is NONE, all non-zero values are set to 255 (white). To - use other thresholds, use the :py:meth:`~PIL.Image.Image.point` - method. - - :param mode: The requested mode. See: :ref:`concept-modes`. - :param matrix: An optional conversion matrix. If given, this - should be 4- or 12-tuple containing floating point values. - :param dither: Dithering method, used when converting from - mode "RGB" to "P" or from "RGB" or "L" to "1". - Available methods are NONE or FLOYDSTEINBERG (default). - :param palette: Palette to use when converting from mode "RGB" - to "P". Available palettes are WEB or ADAPTIVE. - :param colors: Number of colors to use for the ADAPTIVE palette. - Defaults to 256. - :rtype: :py:class:`~PIL.Image.Image` - :returns: An :py:class:`~PIL.Image.Image` object. - """ - - if not mode: - # determine default mode - if self.mode == "P": - self.load() - if self.palette: - mode = self.palette.mode - else: - mode = "RGB" - else: - return self.copy() - - self.load() - - if matrix: - # matrix conversion - if mode not in ("L", "RGB"): - raise ValueError("illegal conversion") - im = self.im.convert_matrix(mode, matrix) - return self._new(im) - - if mode == "P" and self.mode == "RGBA": - return self.quantize(colors) - - trns = None - delete_trns = False - # transparency handling - if "transparency" in self.info and \ - self.info['transparency'] is not None: - if self.mode in ('L', 'RGB') and mode == 'RGBA': - # Use transparent conversion to promote from transparent - # color to an alpha channel. - return self._new(self.im.convert_transparent( - mode, self.info['transparency'])) - elif self.mode in ('L', 'RGB', 'P') and mode in ('L', 'RGB', 'P'): - t = self.info['transparency'] - if isinstance(t, bytes): - # Dragons. This can't be represented by a single color - warnings.warn('Palette images with Transparency ' + - ' expressed in bytes should be converted ' + - 'to RGBA images') - delete_trns = True - else: - # get the new transparency color. - # use existing conversions - trns_im = Image()._new(core.new(self.mode, (1, 1))) - if self.mode == 'P': - trns_im.putpalette(self.palette) - if type(t) == tuple: - try: - t = trns_im.palette.getcolor(t) - except: - raise ValueError("Couldn't allocate a palette " + - "color for transparency") - trns_im.putpixel((0, 0), t) - - if mode in ('L', 'RGB'): - trns_im = trns_im.convert(mode) - else: - # can't just retrieve the palette number, got to do it - # after quantization. - trns_im = trns_im.convert('RGB') - trns = trns_im.getpixel((0, 0)) - - elif self.mode == 'P' and mode == 'RGBA': - t = self.info['transparency'] - delete_trns = True - - if isinstance(t, bytes): - self.im.putpalettealphas(t) - elif isinstance(t, int): - self.im.putpalettealpha(t, 0) - else: - raise ValueError("Transparency for P mode should" + - " be bytes or int") - - if mode == "P" and palette == ADAPTIVE: - im = self.im.quantize(colors) - new = self._new(im) - from PIL import ImagePalette - new.palette = ImagePalette.raw("RGB", new.im.getpalette("RGB")) - if delete_trns: - # This could possibly happen if we requantize to fewer colors. - # The transparency would be totally off in that case. - del(new.info['transparency']) - if trns is not None: - try: - new.info['transparency'] = new.palette.getcolor(trns) - except: - # if we can't make a transparent color, don't leave the old - # transparency hanging around to mess us up. - del(new.info['transparency']) - warnings.warn("Couldn't allocate palette entry " + - "for transparency") - return new - - # colorspace conversion - if dither is None: - dither = FLOYDSTEINBERG - - try: - im = self.im.convert(mode, dither) - except ValueError: - try: - # normalize source image and try again - im = self.im.convert(getmodebase(self.mode)) - im = im.convert(mode, dither) - except KeyError: - raise ValueError("illegal conversion") - - new_im = self._new(im) - if delete_trns: - # crash fail if we leave a bytes transparency in an rgb/l mode. - del(new_im.info['transparency']) - if trns is not None: - if new_im.mode == 'P': - try: - new_im.info['transparency'] = new_im.palette.getcolor(trns) - except: - del(new_im.info['transparency']) - warnings.warn("Couldn't allocate palette entry " + - "for transparency") - else: - new_im.info['transparency'] = trns - return new_im - - def quantize(self, colors=256, method=None, kmeans=0, palette=None): - """ - Convert the image to 'P' mode with the specified number - of colors. - - :param colors: The desired number of colors, <= 256 - :param method: 0 = median cut - 1 = maximum coverage - 2 = fast octree - 3 = libimagequant - :param kmeans: Integer - :param palette: Quantize to the :py:class:`PIL.ImagingPalette` palette. - :returns: A new image - - """ - - self.load() - - if method is None: - # defaults: - method = 0 - if self.mode == 'RGBA': - method = 2 - - if self.mode == 'RGBA' and method not in (2, 3): - # Caller specified an invalid mode. - raise ValueError( - 'Fast Octree (method == 2) and libimagequant (method == 3) ' + - 'are the only valid methods for quantizing RGBA images') - - if palette: - # use palette from reference image - palette.load() - if palette.mode != "P": - raise ValueError("bad mode for palette image") - if self.mode != "RGB" and self.mode != "L": - raise ValueError( - "only RGB or L mode images can be quantized to a palette" - ) - im = self.im.convert("P", 1, palette.im) - return self._makeself(im) - - return self._new(self.im.quantize(colors, method, kmeans)) - - def copy(self): - """ - Copies this image. Use this method if you wish to paste things - into an image, but still retain the original. - - :rtype: :py:class:`~PIL.Image.Image` - :returns: An :py:class:`~PIL.Image.Image` object. - """ - self.load() - return self._new(self.im.copy()) - - __copy__ = copy - - def crop(self, box=None): - """ - Returns a rectangular region from this image. The box is a - 4-tuple defining the left, upper, right, and lower pixel - coordinate. - - Note: Prior to Pillow 3.4.0, this was a lazy operation. - - :param box: The crop rectangle, as a (left, upper, right, lower)-tuple. - :rtype: :py:class:`~PIL.Image.Image` - :returns: An :py:class:`~PIL.Image.Image` object. - """ - - self.load() - if box is None: - return self.copy() - - x0, y0, x1, y1 = map(int, map(round, box)) - - if x1 < x0: - x1 = x0 - if y1 < y0: - y1 = y0 - - return self._new(self.im.crop(( x0, y0, x1, y1))) - - - def draft(self, mode, size): - """ - Configures the image file loader so it returns a version of the - image that as closely as possible matches the given mode and - size. For example, you can use this method to convert a color - JPEG to greyscale while loading it, or to extract a 128x192 - version from a PCD file. - - Note that this method modifies the :py:class:`~PIL.Image.Image` object - in place. If the image has already been loaded, this method has no - effect. - - :param mode: The requested mode. - :param size: The requested size. - """ - pass - - def _expand(self, xmargin, ymargin=None): - if ymargin is None: - ymargin = xmargin - self.load() - return self._new(self.im.expand(xmargin, ymargin, 0)) - - def filter(self, filter): - """ - Filters this image using the given filter. For a list of - available filters, see the :py:mod:`~PIL.ImageFilter` module. - - :param filter: Filter kernel. - :returns: An :py:class:`~PIL.Image.Image` object. """ - - self.load() - - if isinstance(filter, collections.Callable): - filter = filter() - if not hasattr(filter, "filter"): - raise TypeError("filter argument should be ImageFilter.Filter " + - "instance or class") - - if self.im.bands == 1: - return self._new(filter.filter(self.im)) - # fix to handle multiband images since _imaging doesn't - ims = [] - for c in range(self.im.bands): - ims.append(self._new(filter.filter(self.im.getband(c)))) - return merge(self.mode, ims) - - def getbands(self): - """ - Returns a tuple containing the name of each band in this image. - For example, **getbands** on an RGB image returns ("R", "G", "B"). - - :returns: A tuple containing band names. - :rtype: tuple - """ - return ImageMode.getmode(self.mode).bands - - def getbbox(self): - """ - Calculates the bounding box of the non-zero regions in the - image. - - :returns: The bounding box is returned as a 4-tuple defining the - left, upper, right, and lower pixel coordinate. If the image - is completely empty, this method returns None. - - """ - - self.load() - return self.im.getbbox() - - def getcolors(self, maxcolors=256): - """ - Returns a list of colors used in this image. - - :param maxcolors: Maximum number of colors. If this number is - exceeded, this method returns None. The default limit is - 256 colors. - :returns: An unsorted list of (count, pixel) values. - """ - - self.load() - if self.mode in ("1", "L", "P"): - h = self.im.histogram() - out = [] - for i in range(256): - if h[i]: - out.append((h[i], i)) - if len(out) > maxcolors: - return None - return out - return self.im.getcolors(maxcolors) - - def getdata(self, band=None): - """ - Returns the contents of this image as a sequence object - containing pixel values. The sequence object is flattened, so - that values for line one follow directly after the values of - line zero, and so on. - - Note that the sequence object returned by this method is an - internal PIL data type, which only supports certain sequence - operations. To convert it to an ordinary sequence (e.g. for - printing), use **list(im.getdata())**. - - :param band: What band to return. The default is to return - all bands. To return a single band, pass in the index - value (e.g. 0 to get the "R" band from an "RGB" image). - :returns: A sequence-like object. - """ - - self.load() - if band is not None: - return self.im.getband(band) - return self.im # could be abused - - def getextrema(self): - """ - Gets the the minimum and maximum pixel values for each band in - the image. - - :returns: For a single-band image, a 2-tuple containing the - minimum and maximum pixel value. For a multi-band image, - a tuple containing one 2-tuple for each band. - """ - - self.load() - if self.im.bands > 1: - extrema = [] - for i in range(self.im.bands): - extrema.append(self.im.getband(i).getextrema()) - return tuple(extrema) - return self.im.getextrema() - - def getim(self): - """ - Returns a capsule that points to the internal image memory. - - :returns: A capsule object. - """ - - self.load() - return self.im.ptr - - def getpalette(self): - """ - Returns the image palette as a list. - - :returns: A list of color values [r, g, b, ...], or None if the - image has no palette. - """ - - self.load() - try: - if bytes is str: - return [i8(c) for c in self.im.getpalette()] - else: - return list(self.im.getpalette()) - except ValueError: - return None # no palette - - def getpixel(self, xy): - """ - Returns the pixel value at a given position. - - :param xy: The coordinate, given as (x, y). - :returns: The pixel value. If the image is a multi-layer image, - this method returns a tuple. - """ - - self.load() - if self.pyaccess: - return self.pyaccess.getpixel(xy) - return self.im.getpixel(xy) - - def getprojection(self): - """ - Get projection to x and y axes - - :returns: Two sequences, indicating where there are non-zero - pixels along the X-axis and the Y-axis, respectively. - """ - - self.load() - x, y = self.im.getprojection() - return [i8(c) for c in x], [i8(c) for c in y] - - def histogram(self, mask=None, extrema=None): - """ - Returns a histogram for the image. The histogram is returned as - a list of pixel counts, one for each pixel value in the source - image. If the image has more than one band, the histograms for - all bands are concatenated (for example, the histogram for an - "RGB" image contains 768 values). - - A bilevel image (mode "1") is treated as a greyscale ("L") image - by this method. - - If a mask is provided, the method returns a histogram for those - parts of the image where the mask image is non-zero. The mask - image must have the same size as the image, and be either a - bi-level image (mode "1") or a greyscale image ("L"). - - :param mask: An optional mask. - :returns: A list containing pixel counts. - """ - self.load() - if mask: - mask.load() - return self.im.histogram((0, 0), mask.im) - if self.mode in ("I", "F"): - if extrema is None: - extrema = self.getextrema() - return self.im.histogram(extrema) - return self.im.histogram() - - def offset(self, xoffset, yoffset=None): - raise NotImplementedError("offset() has been removed. " + - "Please call ImageChops.offset() instead.") - - def paste(self, im, box=None, mask=None): - """ - Pastes another image into this image. The box argument is either - a 2-tuple giving the upper left corner, a 4-tuple defining the - left, upper, right, and lower pixel coordinate, or None (same as - (0, 0)). If a 4-tuple is given, the size of the pasted image - must match the size of the region. - - If the modes don't match, the pasted image is converted to the mode of - this image (see the :py:meth:`~PIL.Image.Image.convert` method for - details). - - Instead of an image, the source can be a integer or tuple - containing pixel values. The method then fills the region - with the given color. When creating RGB images, you can - also use color strings as supported by the ImageColor module. - - If a mask is given, this method updates only the regions - indicated by the mask. You can use either "1", "L" or "RGBA" - images (in the latter case, the alpha band is used as mask). - Where the mask is 255, the given image is copied as is. Where - the mask is 0, the current value is preserved. Intermediate - values will mix the two images together, including their alpha - channels if they have them. - - See :py:meth:`~PIL.Image.Image.alpha_composite` if you want to - combine images with respect to their alpha channels. - - :param im: Source image or pixel value (integer or tuple). - :param box: An optional 4-tuple giving the region to paste into. - If a 2-tuple is used instead, it's treated as the upper left - corner. If omitted or None, the source is pasted into the - upper left corner. - - If an image is given as the second argument and there is no - third, the box defaults to (0, 0), and the second argument - is interpreted as a mask image. - :param mask: An optional mask image. - """ - - if isImageType(box) and mask is None: - # abbreviated paste(im, mask) syntax - mask = box - box = None - - if box is None: - # cover all of self - box = (0, 0) + self.size - - if len(box) == 2: - # upper left corner given; get size from image or mask - if isImageType(im): - size = im.size - elif isImageType(mask): - size = mask.size - else: - # FIXME: use self.size here? - raise ValueError( - "cannot determine region size; use 4-item box" - ) - box = box + (box[0]+size[0], box[1]+size[1]) - - if isStringType(im): - from PIL import ImageColor - im = ImageColor.getcolor(im, self.mode) - - elif isImageType(im): - im.load() - if self.mode != im.mode: - if self.mode != "RGB" or im.mode not in ("RGBA", "RGBa"): - # should use an adapter for this! - im = im.convert(self.mode) - im = im.im - - self.load() - if self.readonly: - self._copy() - - if mask: - mask.load() - self.im.paste(im, box, mask.im) - else: - self.im.paste(im, box) - - def point(self, lut, mode=None): - """ - Maps this image through a lookup table or function. - - :param lut: A lookup table, containing 256 (or 65336 if - self.mode=="I" and mode == "L") values per band in the - image. A function can be used instead, it should take a - single argument. The function is called once for each - possible pixel value, and the resulting table is applied to - all bands of the image. - :param mode: Output mode (default is same as input). In the - current version, this can only be used if the source image - has mode "L" or "P", and the output has mode "1" or the - source image mode is "I" and the output mode is "L". - :returns: An :py:class:`~PIL.Image.Image` object. - """ - - self.load() - - if isinstance(lut, ImagePointHandler): - return lut.point(self) - - if callable(lut): - # if it isn't a list, it should be a function - if self.mode in ("I", "I;16", "F"): - # check if the function can be used with point_transform - # UNDONE wiredfool -- I think this prevents us from ever doing - # a gamma function point transform on > 8bit images. - scale, offset = _getscaleoffset(lut) - return self._new(self.im.point_transform(scale, offset)) - # for other modes, convert the function to a table - lut = [lut(i) for i in range(256)] * self.im.bands - - if self.mode == "F": - # FIXME: _imaging returns a confusing error message for this case - raise ValueError("point operation not supported for this mode") - - return self._new(self.im.point(lut, mode)) - - def putalpha(self, alpha): - """ - Adds or replaces the alpha layer in this image. If the image - does not have an alpha layer, it's converted to "LA" or "RGBA". - The new layer must be either "L" or "1". - - :param alpha: The new alpha layer. This can either be an "L" or "1" - image having the same size as this image, or an integer or - other color value. - """ - - self.load() - if self.readonly: - self._copy() - - if self.mode not in ("LA", "RGBA"): - # attempt to promote self to a matching alpha mode - try: - mode = getmodebase(self.mode) + "A" - try: - self.im.setmode(mode) - self.pyaccess = None - except (AttributeError, ValueError): - # do things the hard way - im = self.im.convert(mode) - if im.mode not in ("LA", "RGBA"): - raise ValueError # sanity check - self.im = im - self.pyaccess = None - self.mode = self.im.mode - except (KeyError, ValueError): - raise ValueError("illegal image mode") - - if self.mode == "LA": - band = 1 - else: - band = 3 - - if isImageType(alpha): - # alpha layer - if alpha.mode not in ("1", "L"): - raise ValueError("illegal image mode") - alpha.load() - if alpha.mode == "1": - alpha = alpha.convert("L") - else: - # constant alpha - try: - self.im.fillband(band, alpha) - except (AttributeError, ValueError): - # do things the hard way - alpha = new("L", self.size, alpha) - else: - return - - self.im.putband(alpha.im, band) - - def putdata(self, data, scale=1.0, offset=0.0): - """ - Copies pixel data to this image. This method copies data from a - sequence object into the image, starting at the upper left - corner (0, 0), and continuing until either the image or the - sequence ends. The scale and offset values are used to adjust - the sequence values: **pixel = value*scale + offset**. - - :param data: A sequence object. - :param scale: An optional scale value. The default is 1.0. - :param offset: An optional offset value. The default is 0.0. - """ - - self.load() - if self.readonly: - self._copy() - - self.im.putdata(data, scale, offset) - - def putpalette(self, data, rawmode="RGB"): - """ - Attaches a palette to this image. The image must be a "P" or - "L" image, and the palette sequence must contain 768 integer - values, where each group of three values represent the red, - green, and blue values for the corresponding pixel - index. Instead of an integer sequence, you can use an 8-bit - string. - - :param data: A palette sequence (either a list or a string). - """ - from PIL import ImagePalette - - if self.mode not in ("L", "P"): - raise ValueError("illegal image mode") - self.load() - if isinstance(data, ImagePalette.ImagePalette): - palette = ImagePalette.raw(data.rawmode, data.palette) - else: - if not isinstance(data, bytes): - if bytes is str: - data = "".join(chr(x) for x in data) - else: - data = bytes(data) - palette = ImagePalette.raw(rawmode, data) - self.mode = "P" - self.palette = palette - self.palette.mode = "RGB" - self.load() # install new palette - - def putpixel(self, xy, value): - """ - Modifies the pixel at the given position. The color is given as - a single numerical value for single-band images, and a tuple for - multi-band images. - - Note that this method is relatively slow. For more extensive changes, - use :py:meth:`~PIL.Image.Image.paste` or the :py:mod:`~PIL.ImageDraw` - module instead. - - See: - - * :py:meth:`~PIL.Image.Image.paste` - * :py:meth:`~PIL.Image.Image.putdata` - * :py:mod:`~PIL.ImageDraw` - - :param xy: The pixel coordinate, given as (x, y). - :param value: The pixel value. - """ - - self.load() - if self.readonly: - self._copy() - self.pyaccess = None - self.load() - - if self.pyaccess: - return self.pyaccess.putpixel(xy, value) - return self.im.putpixel(xy, value) - - def resize(self, size, resample=NEAREST): - """ - Returns a resized copy of this image. - - :param size: The requested size in pixels, as a 2-tuple: - (width, height). - :param resample: An optional resampling filter. This can be - one of :py:attr:`PIL.Image.NEAREST`, :py:attr:`PIL.Image.BOX`, - :py:attr:`PIL.Image.BILINEAR`, :py:attr:`PIL.Image.HAMMING`, - :py:attr:`PIL.Image.BICUBIC` or :py:attr:`PIL.Image.LANCZOS`. - If omitted, or if the image has mode "1" or "P", it is - set :py:attr:`PIL.Image.NEAREST`. - See: :ref:`concept-filters`. - :returns: An :py:class:`~PIL.Image.Image` object. - """ - - if resample not in ( - NEAREST, BILINEAR, BICUBIC, LANCZOS, BOX, HAMMING, - ): - raise ValueError("unknown resampling filter") - - self.load() - - size = tuple(size) - if self.size == size: - return self._new(self.im) - - if self.mode in ("1", "P"): - resample = NEAREST - - if self.mode == 'LA': - return self.convert('La').resize(size, resample).convert('LA') - - if self.mode == 'RGBA': - return self.convert('RGBa').resize(size, resample).convert('RGBA') - - return self._new(self.im.resize(size, resample)) - - def rotate(self, angle, resample=NEAREST, expand=0): - """ - Returns a rotated copy of this image. This method returns a - copy of this image, rotated the given number of degrees counter - clockwise around its centre. - - :param angle: In degrees counter clockwise. - :param resample: An optional resampling filter. This can be - one of :py:attr:`PIL.Image.NEAREST` (use nearest neighbour), - :py:attr:`PIL.Image.BILINEAR` (linear interpolation in a 2x2 - environment), or :py:attr:`PIL.Image.BICUBIC` - (cubic spline interpolation in a 4x4 environment). - If omitted, or if the image has mode "1" or "P", it is - set :py:attr:`PIL.Image.NEAREST`. See :ref:`concept-filters`. - :param expand: Optional expansion flag. If true, expands the output - image to make it large enough to hold the entire rotated image. - If false or omitted, make the output image the same size as the - input image. - :returns: An :py:class:`~PIL.Image.Image` object. - """ - - angle = angle % 360.0 - - # Fast paths regardless of filter - if angle == 0: - return self.copy() - if angle == 180: - return self.transpose(ROTATE_180) - if angle == 90 and expand: - return self.transpose(ROTATE_90) - if angle == 270 and expand: - return self.transpose(ROTATE_270) - - angle = - math.radians(angle) - matrix = [ - round(math.cos(angle), 15), round(math.sin(angle), 15), 0.0, - round(-math.sin(angle), 15), round(math.cos(angle), 15), 0.0 - ] - - def transform(x, y, matrix=matrix): - (a, b, c, d, e, f) = matrix - return a*x + b*y + c, d*x + e*y + f - - w, h = self.size - if expand: - # calculate output size - xx = [] - yy = [] - for x, y in ((0, 0), (w, 0), (w, h), (0, h)): - x, y = transform(x, y) - xx.append(x) - yy.append(y) - w = int(math.ceil(max(xx)) - math.floor(min(xx))) - h = int(math.ceil(max(yy)) - math.floor(min(yy))) - - # adjust center - x, y = transform(w / 2.0, h / 2.0) - matrix[2] = self.size[0] / 2.0 - x - matrix[5] = self.size[1] / 2.0 - y - - return self.transform((w, h), AFFINE, matrix, resample) - - def save(self, fp, format=None, **params): - """ - Saves this image under the given filename. If no format is - specified, the format to use is determined from the filename - extension, if possible. - - Keyword options can be used to provide additional instructions - to the writer. If a writer doesn't recognise an option, it is - silently ignored. The available options are described in the - :doc:`image format documentation - <../handbook/image-file-formats>` for each writer. - - You can use a file object instead of a filename. In this case, - you must always specify the format. The file object must - implement the ``seek``, ``tell``, and ``write`` - methods, and be opened in binary mode. - - :param fp: A filename (string), pathlib.Path object or file object. - :param format: Optional format override. If omitted, the - format to use is determined from the filename extension. - If a file object was used instead of a filename, this - parameter should always be used. - :param options: Extra parameters to the image writer. - :returns: None - :exception KeyError: If the output format could not be determined - from the file name. Use the format option to solve this. - :exception IOError: If the file could not be written. The file - may have been created, and may contain partial data. - """ - - filename = "" - open_fp = False - if isPath(fp): - filename = fp - open_fp = True - elif sys.version_info >= (3, 4): - from pathlib import Path - if isinstance(fp, Path): - filename = str(fp) - open_fp = True - elif hasattr(fp, "name") and isPath(fp.name): - # only set the name for metadata purposes - filename = fp.name - - # may mutate self! - self.load() - - save_all = False - if 'save_all' in params: - save_all = params.pop('save_all') - self.encoderinfo = params - self.encoderconfig = () - - preinit() - - ext = os.path.splitext(filename)[1].lower() - - if not format: - if ext not in EXTENSION: - init() - format = EXTENSION[ext] - - if format.upper() not in SAVE: - init() - if save_all: - save_handler = SAVE_ALL[format.upper()] - else: - save_handler = SAVE[format.upper()] - - if open_fp: - # Open also for reading ("+"), because TIFF save_all - # writer needs to go back and edit the written data. - fp = builtins.open(filename, "w+b") - - try: - save_handler(self, fp, filename) - finally: - # do what we can to clean up - if open_fp: - fp.close() - - def seek(self, frame): - """ - Seeks to the given frame in this sequence file. If you seek - beyond the end of the sequence, the method raises an - **EOFError** exception. When a sequence file is opened, the - library automatically seeks to frame 0. - - Note that in the current version of the library, most sequence - formats only allows you to seek to the next frame. - - See :py:meth:`~PIL.Image.Image.tell`. - - :param frame: Frame number, starting at 0. - :exception EOFError: If the call attempts to seek beyond the end - of the sequence. - """ - - # overridden by file handlers - if frame != 0: - raise EOFError - - def show(self, title=None, command=None): - """ - Displays this image. This method is mainly intended for - debugging purposes. - - On Unix platforms, this method saves the image to a temporary - PPM file, and calls either the **xv** utility or the **display** - utility, depending on which one can be found. - - On macOS, this method saves the image to a temporary BMP file, and opens - it with the native Preview application. - - On Windows, it saves the image to a temporary BMP file, and uses - the standard BMP display utility to show it (usually Paint). - - :param title: Optional title to use for the image window, - where possible. - :param command: command used to show the image - """ - - _show(self, title=title, command=command) - - def split(self): - """ - Split this image into individual bands. This method returns a - tuple of individual image bands from an image. For example, - splitting an "RGB" image creates three new images each - containing a copy of one of the original bands (red, green, - blue). - - :returns: A tuple containing bands. - """ - - self.load() - if self.im.bands == 1: - ims = [self.copy()] - else: - ims = [] - for i in range(self.im.bands): - ims.append(self._new(self.im.getband(i))) - return tuple(ims) - - def tell(self): - """ - Returns the current frame number. See :py:meth:`~PIL.Image.Image.seek`. - - :returns: Frame number, starting with 0. - """ - return 0 - - def thumbnail(self, size, resample=BICUBIC): - """ - Make this image into a thumbnail. This method modifies the - image to contain a thumbnail version of itself, no larger than - the given size. This method calculates an appropriate thumbnail - size to preserve the aspect of the image, calls the - :py:meth:`~PIL.Image.Image.draft` method to configure the file reader - (where applicable), and finally resizes the image. - - Note that this function modifies the :py:class:`~PIL.Image.Image` - object in place. If you need to use the full resolution image as well, - apply this method to a :py:meth:`~PIL.Image.Image.copy` of the original - image. - - :param size: Requested size. - :param resample: Optional resampling filter. This can be one - of :py:attr:`PIL.Image.NEAREST`, :py:attr:`PIL.Image.BILINEAR`, - :py:attr:`PIL.Image.BICUBIC`, or :py:attr:`PIL.Image.LANCZOS`. - If omitted, it defaults to :py:attr:`PIL.Image.BICUBIC`. - (was :py:attr:`PIL.Image.NEAREST` prior to version 2.5.0) - :returns: None - """ - - # preserve aspect ratio - x, y = self.size - if x > size[0]: - y = int(max(y * size[0] / x, 1)) - x = int(size[0]) - if y > size[1]: - x = int(max(x * size[1] / y, 1)) - y = int(size[1]) - size = x, y - - if size == self.size: - return - - self.draft(None, size) - - im = self.resize(size, resample) - - self.im = im.im - self.mode = im.mode - self.size = size - - self.readonly = 0 - self.pyaccess = None - - # FIXME: the different transform methods need further explanation - # instead of bloating the method docs, add a separate chapter. - def transform(self, size, method, data=None, resample=NEAREST, fill=1): - """ - Transforms this image. This method creates a new image with the - given size, and the same mode as the original, and copies data - to the new image using the given transform. - - :param size: The output size. - :param method: The transformation method. This is one of - :py:attr:`PIL.Image.EXTENT` (cut out a rectangular subregion), - :py:attr:`PIL.Image.AFFINE` (affine transform), - :py:attr:`PIL.Image.PERSPECTIVE` (perspective transform), - :py:attr:`PIL.Image.QUAD` (map a quadrilateral to a rectangle), or - :py:attr:`PIL.Image.MESH` (map a number of source quadrilaterals - in one operation). - :param data: Extra data to the transformation method. - :param resample: Optional resampling filter. It can be one of - :py:attr:`PIL.Image.NEAREST` (use nearest neighbour), - :py:attr:`PIL.Image.BILINEAR` (linear interpolation in a 2x2 - environment), or :py:attr:`PIL.Image.BICUBIC` (cubic spline - interpolation in a 4x4 environment). If omitted, or if the image - has mode "1" or "P", it is set to :py:attr:`PIL.Image.NEAREST`. - :returns: An :py:class:`~PIL.Image.Image` object. - """ - - if self.mode == 'LA': - return self.convert('La').transform( - size, method, data, resample, fill).convert('LA') - - if self.mode == 'RGBA': - return self.convert('RGBa').transform( - size, method, data, resample, fill).convert('RGBA') - - if isinstance(method, ImageTransformHandler): - return method.transform(size, self, resample=resample, fill=fill) - - if hasattr(method, "getdata"): - # compatibility w. old-style transform objects - method, data = method.getdata() - - if data is None: - raise ValueError("missing method data") - - im = new(self.mode, size, None) - if method == MESH: - # list of quads - for box, quad in data: - im.__transformer(box, self, QUAD, quad, resample, fill) - else: - im.__transformer((0, 0)+size, self, method, data, resample, fill) - - return im - - def __transformer(self, box, image, method, data, - resample=NEAREST, fill=1): - w = box[2] - box[0] - h = box[3] - box[1] - - if method == AFFINE: - data = data[0:6] - - elif method == EXTENT: - # convert extent to an affine transform - x0, y0, x1, y1 = data - xs = float(x1 - x0) / w - ys = float(y1 - y0) / h - method = AFFINE - data = (xs, 0, x0, 0, ys, y0) - - elif method == PERSPECTIVE: - data = data[0:8] - - elif method == QUAD: - # quadrilateral warp. data specifies the four corners - # given as NW, SW, SE, and NE. - nw = data[0:2] - sw = data[2:4] - se = data[4:6] - ne = data[6:8] - x0, y0 = nw - As = 1.0 / w - At = 1.0 / h - data = (x0, (ne[0]-x0)*As, (sw[0]-x0)*At, - (se[0]-sw[0]-ne[0]+x0)*As*At, - y0, (ne[1]-y0)*As, (sw[1]-y0)*At, - (se[1]-sw[1]-ne[1]+y0)*As*At) - - else: - raise ValueError("unknown transformation method") - - if resample not in (NEAREST, BILINEAR, BICUBIC): - raise ValueError("unknown resampling filter") - - image.load() - - self.load() - - if image.mode in ("1", "P"): - resample = NEAREST - - self.im.transform2(box, image.im, method, data, resample, fill) - - def transpose(self, method): - """ - Transpose image (flip or rotate in 90 degree steps) - - :param method: One of :py:attr:`PIL.Image.FLIP_LEFT_RIGHT`, - :py:attr:`PIL.Image.FLIP_TOP_BOTTOM`, :py:attr:`PIL.Image.ROTATE_90`, - :py:attr:`PIL.Image.ROTATE_180`, :py:attr:`PIL.Image.ROTATE_270` or - :py:attr:`PIL.Image.TRANSPOSE`. - :returns: Returns a flipped or rotated copy of this image. - """ - - self.load() - return self._new(self.im.transpose(method)) - - def effect_spread(self, distance): - """ - Randomly spread pixels in an image. - - :param distance: Distance to spread pixels. - """ - self.load() - return self._new(self.im.effect_spread(distance)) - - def toqimage(self): - """Returns a QImage copy of this image""" - from PIL import ImageQt - if not ImageQt.qt_is_installed: - raise ImportError("Qt bindings are not installed") - return ImageQt.toqimage(self) - - def toqpixmap(self): - """Returns a QPixmap copy of this image""" - from PIL import ImageQt - if not ImageQt.qt_is_installed: - raise ImportError("Qt bindings are not installed") - return ImageQt.toqpixmap(self) - - - -# -------------------------------------------------------------------- -# Abstract handlers. - -class ImagePointHandler(object): - # used as a mixin by point transforms (for use with im.point) - pass - - -class ImageTransformHandler(object): - # used as a mixin by geometry transforms (for use with im.transform) - pass - - -# -------------------------------------------------------------------- -# Factories - -# -# Debugging - -def _wedge(): - "Create greyscale wedge (for debugging only)" - - return Image()._new(core.wedge("L")) - -def _check_size(size): - """ - Common check to enforce type and sanity check on size tuples - - :param size: Should be a 2 tuple of (width, height) - :returns: True, or raises a ValueError - """ - - if not isinstance(size, (list, tuple)): - raise ValueError("Size must be a tuple") - if len(size) != 2: - raise ValueError("Size must be a tuple of length 2") - if size[0] <= 0 or size[1] <= 0: - raise ValueError("Width and Height must be > 0") - - return True - -def new(mode, size, color=0): - """ - Creates a new image with the given mode and size. - - :param mode: The mode to use for the new image. See: - :ref:`concept-modes`. - :param size: A 2-tuple, containing (width, height) in pixels. - :param color: What color to use for the image. Default is black. - If given, this should be a single integer or floating point value - for single-band modes, and a tuple for multi-band modes (one value - per band). When creating RGB images, you can also use color - strings as supported by the ImageColor module. If the color is - None, the image is not initialised. - :returns: An :py:class:`~PIL.Image.Image` object. - """ - - _check_size(size) - - if color is None: - # don't initialize - return Image()._new(core.new(mode, size)) - - if isStringType(color): - # css3-style specifier - - from PIL import ImageColor - color = ImageColor.getcolor(color, mode) - - return Image()._new(core.fill(mode, size, color)) - - -def frombytes(mode, size, data, decoder_name="raw", *args): - """ - Creates a copy of an image memory from pixel data in a buffer. - - In its simplest form, this function takes three arguments - (mode, size, and unpacked pixel data). - - You can also use any pixel decoder supported by PIL. For more - information on available decoders, see the section - :ref:`Writing Your Own File Decoder `. - - Note that this function decodes pixel data only, not entire images. - If you have an entire image in a string, wrap it in a - :py:class:`~io.BytesIO` object, and use :py:func:`~PIL.Image.open` to load - it. - - :param mode: The image mode. See: :ref:`concept-modes`. - :param size: The image size. - :param data: A byte buffer containing raw data for the given mode. - :param decoder_name: What decoder to use. - :param args: Additional parameters for the given decoder. - :returns: An :py:class:`~PIL.Image.Image` object. - """ - - _check_size(size) - - # may pass tuple instead of argument list - if len(args) == 1 and isinstance(args[0], tuple): - args = args[0] - - if decoder_name == "raw" and args == (): - args = mode - - im = new(mode, size) - im.frombytes(data, decoder_name, args) - return im - - -def fromstring(*args, **kw): - raise NotImplementedError("fromstring() has been removed. " + - "Please call frombytes() instead.") - - -def frombuffer(mode, size, data, decoder_name="raw", *args): - """ - Creates an image memory referencing pixel data in a byte buffer. - - This function is similar to :py:func:`~PIL.Image.frombytes`, but uses data - in the byte buffer, where possible. This means that changes to the - original buffer object are reflected in this image). Not all modes can - share memory; supported modes include "L", "RGBX", "RGBA", and "CMYK". - - Note that this function decodes pixel data only, not entire images. - If you have an entire image file in a string, wrap it in a - **BytesIO** object, and use :py:func:`~PIL.Image.open` to load it. - - In the current version, the default parameters used for the "raw" decoder - differs from that used for :py:func:`~PIL.Image.frombytes`. This is a - bug, and will probably be fixed in a future release. The current release - issues a warning if you do this; to disable the warning, you should provide - the full set of parameters. See below for details. - - :param mode: The image mode. See: :ref:`concept-modes`. - :param size: The image size. - :param data: A bytes or other buffer object containing raw - data for the given mode. - :param decoder_name: What decoder to use. - :param args: Additional parameters for the given decoder. For the - default encoder ("raw"), it's recommended that you provide the - full set of parameters:: - - frombuffer(mode, size, data, "raw", mode, 0, 1) - - :returns: An :py:class:`~PIL.Image.Image` object. - - .. versionadded:: 1.1.4 - """ - - _check_size(size) - - # may pass tuple instead of argument list - if len(args) == 1 and isinstance(args[0], tuple): - args = args[0] - - if decoder_name == "raw": - if args == (): - warnings.warn( - "the frombuffer defaults may change in a future release; " - "for portability, change the call to read:\n" - " frombuffer(mode, size, data, 'raw', mode, 0, 1)", - RuntimeWarning, stacklevel=2 - ) - args = mode, 0, -1 # may change to (mode, 0, 1) post-1.1.6 - if args[0] in _MAPMODES: - im = new(mode, (1, 1)) - im = im._new( - core.map_buffer(data, size, decoder_name, None, 0, args) - ) - im.readonly = 1 - return im - - return frombytes(mode, size, data, decoder_name, args) - - -def fromarray(obj, mode=None): - """ - Creates an image memory from an object exporting the array interface - (using the buffer protocol). - - If obj is not contiguous, then the tobytes method is called - and :py:func:`~PIL.Image.frombuffer` is used. - - :param obj: Object with array interface - :param mode: Mode to use (will be determined from type if None) - See: :ref:`concept-modes`. - :returns: An image object. - - .. versionadded:: 1.1.6 - """ - arr = obj.__array_interface__ - shape = arr['shape'] - ndim = len(shape) - try: - strides = arr['strides'] - except KeyError: - strides = None - if mode is None: - try: - typekey = (1, 1) + shape[2:], arr['typestr'] - mode, rawmode = _fromarray_typemap[typekey] - except KeyError: - # print typekey - raise TypeError("Cannot handle this data type") - else: - rawmode = mode - if mode in ["1", "L", "I", "P", "F"]: - ndmax = 2 - elif mode == "RGB": - ndmax = 3 - else: - ndmax = 4 - if ndim > ndmax: - raise ValueError("Too many dimensions: %d > %d." % (ndim, ndmax)) - - size = shape[1], shape[0] - if strides is not None: - if hasattr(obj, 'tobytes'): - obj = obj.tobytes() - else: - obj = obj.tostring() - - return frombuffer(mode, size, obj, "raw", rawmode, 0, 1) - - -def fromqimage(im): - """Creates an image instance from a QImage image""" - from PIL import ImageQt - if not ImageQt.qt_is_installed: - raise ImportError("Qt bindings are not installed") - return ImageQt.fromqimage(im) - - -def fromqpixmap(im): - """Creates an image instance from a QPixmap image""" - from PIL import ImageQt - if not ImageQt.qt_is_installed: - raise ImportError("Qt bindings are not installed") - return ImageQt.fromqpixmap(im) - -_fromarray_typemap = { - # (shape, typestr) => mode, rawmode - # first two members of shape are set to one - # ((1, 1), "|b1"): ("1", "1"), # broken - ((1, 1), "|u1"): ("L", "L"), - ((1, 1), "|i1"): ("I", "I;8"), - ((1, 1), "u2"): ("I", "I;16B"), - ((1, 1), "i2"): ("I", "I;16BS"), - ((1, 1), "u4"): ("I", "I;32B"), - ((1, 1), "i4"): ("I", "I;32BS"), - ((1, 1), "f4"): ("F", "F;32BF"), - ((1, 1), "f8"): ("F", "F;64BF"), - ((1, 1, 2), "|u1"): ("LA", "LA"), - ((1, 1, 3), "|u1"): ("RGB", "RGB"), - ((1, 1, 4), "|u1"): ("RGBA", "RGBA"), - } - -# shortcuts -_fromarray_typemap[((1, 1), _ENDIAN + "i4")] = ("I", "I") -_fromarray_typemap[((1, 1), _ENDIAN + "f4")] = ("F", "F") - - -def _decompression_bomb_check(size): - if MAX_IMAGE_PIXELS is None: - return - - pixels = size[0] * size[1] - - if pixels > MAX_IMAGE_PIXELS: - warnings.warn( - "Image size (%d pixels) exceeds limit of %d pixels, " - "could be decompression bomb DOS attack." % - (pixels, MAX_IMAGE_PIXELS), - DecompressionBombWarning) - - -def open(fp, mode="r"): - """ - Opens and identifies the given image file. - - This is a lazy operation; this function identifies the file, but - the file remains open and the actual image data is not read from - the file until you try to process the data (or call the - :py:meth:`~PIL.Image.Image.load` method). See - :py:func:`~PIL.Image.new`. - - :param fp: A filename (string), pathlib.Path object or a file object. - The file object must implement :py:meth:`~file.read`, - :py:meth:`~file.seek`, and :py:meth:`~file.tell` methods, - and be opened in binary mode. - :param mode: The mode. If given, this argument must be "r". - :returns: An :py:class:`~PIL.Image.Image` object. - :exception IOError: If the file cannot be found, or the image cannot be - opened and identified. - """ - - if mode != "r": - raise ValueError("bad mode %r" % mode) - - filename = "" - if isPath(fp): - filename = fp - else: - try: - from pathlib import Path - if isinstance(fp, Path): - filename = str(fp.resolve()) - except ImportError: - pass - - if filename: - fp = builtins.open(filename, "rb") - - try: - fp.seek(0) - except (AttributeError, io.UnsupportedOperation): - fp = io.BytesIO(fp.read()) - - prefix = fp.read(16) - - preinit() - - def _open_core(fp, filename, prefix): - for i in ID: - try: - factory, accept = OPEN[i] - if not accept or accept(prefix): - fp.seek(0) - im = factory(fp, filename) - _decompression_bomb_check(im.size) - return im - except (SyntaxError, IndexError, TypeError, struct.error): - # Leave disabled by default, spams the logs with image - # opening failures that are entirely expected. - # logger.debug("", exc_info=True) - continue - return None - - im = _open_core(fp, filename, prefix) - - if im is None: - if init(): - im = _open_core(fp, filename, prefix) - - if im: - return im - - raise IOError("cannot identify image file %r" - % (filename if filename else fp)) - -# -# Image processing. - - -def alpha_composite(im1, im2): - """ - Alpha composite im2 over im1. - - :param im1: The first image. Must have mode RGBA. - :param im2: The second image. Must have mode RGBA, and the same size as - the first image. - :returns: An :py:class:`~PIL.Image.Image` object. - """ - - im1.load() - im2.load() - return im1._new(core.alpha_composite(im1.im, im2.im)) - - -def blend(im1, im2, alpha): - """ - Creates a new image by interpolating between two input images, using - a constant alpha.:: - - out = image1 * (1.0 - alpha) + image2 * alpha - - :param im1: The first image. - :param im2: The second image. Must have the same mode and size as - the first image. - :param alpha: The interpolation alpha factor. If alpha is 0.0, a - copy of the first image is returned. If alpha is 1.0, a copy of - the second image is returned. There are no restrictions on the - alpha value. If necessary, the result is clipped to fit into - the allowed output range. - :returns: An :py:class:`~PIL.Image.Image` object. - """ - - im1.load() - im2.load() - return im1._new(core.blend(im1.im, im2.im, alpha)) - - -def composite(image1, image2, mask): - """ - Create composite image by blending images using a transparency mask. - - :param image1: The first image. - :param image2: The second image. Must have the same mode and - size as the first image. - :param mask: A mask image. This image can have mode - "1", "L", or "RGBA", and must have the same size as the - other two images. - """ - - image = image2.copy() - image.paste(image1, None, mask) - return image - - -def eval(image, *args): - """ - Applies the function (which should take one argument) to each pixel - in the given image. If the image has more than one band, the same - function is applied to each band. Note that the function is - evaluated once for each possible pixel value, so you cannot use - random components or other generators. - - :param image: The input image. - :param function: A function object, taking one integer argument. - :returns: An :py:class:`~PIL.Image.Image` object. - """ - - return image.point(args[0]) - - -def merge(mode, bands): - """ - Merge a set of single band images into a new multiband image. - - :param mode: The mode to use for the output image. See: - :ref:`concept-modes`. - :param bands: A sequence containing one single-band image for - each band in the output image. All bands must have the - same size. - :returns: An :py:class:`~PIL.Image.Image` object. - """ - - if getmodebands(mode) != len(bands) or "*" in mode: - raise ValueError("wrong number of bands") - for im in bands[1:]: - if im.mode != getmodetype(mode): - raise ValueError("mode mismatch") - if im.size != bands[0].size: - raise ValueError("size mismatch") - im = core.new(mode, bands[0].size) - for i in range(getmodebands(mode)): - bands[i].load() - im.putband(bands[i].im, i) - return bands[0]._new(im) - - -# -------------------------------------------------------------------- -# Plugin registry - -def register_open(id, factory, accept=None): - """ - Register an image file plugin. This function should not be used - in application code. - - :param id: An image format identifier. - :param factory: An image file factory method. - :param accept: An optional function that can be used to quickly - reject images having another format. - """ - id = id.upper() - ID.append(id) - OPEN[id] = factory, accept - - -def register_mime(id, mimetype): - """ - Registers an image MIME type. This function should not be used - in application code. - - :param id: An image format identifier. - :param mimetype: The image MIME type for this format. - """ - MIME[id.upper()] = mimetype - - -def register_save(id, driver): - """ - Registers an image save function. This function should not be - used in application code. - - :param id: An image format identifier. - :param driver: A function to save images in this format. - """ - SAVE[id.upper()] = driver - - -def register_save_all(id, driver): - """ - Registers an image function to save all the frames - of a multiframe format. This function should not be - used in application code. - - :param id: An image format identifier. - :param driver: A function to save images in this format. - """ - SAVE_ALL[id.upper()] = driver - - -def register_extension(id, extension): - """ - Registers an image extension. This function should not be - used in application code. - - :param id: An image format identifier. - :param extension: An extension used for this format. - """ - EXTENSION[extension.lower()] = id.upper() - - -# -------------------------------------------------------------------- -# Simple display support. User code may override this. - -def _show(image, **options): - # override me, as necessary - _showxv(image, **options) - - -def _showxv(image, title=None, **options): - from PIL import ImageShow - ImageShow.show(image, title, **options) - - -# -------------------------------------------------------------------- -# Effects - -def effect_mandelbrot(size, extent, quality): - """ - Generate a Mandelbrot set covering the given extent. - - :param size: The requested size in pixels, as a 2-tuple: - (width, height). - :param extent: The extent to cover, as a 4-tuple: - (x0, y0, x1, y2). - :param quality: Quality. - """ - return Image()._new(core.effect_mandelbrot(size, extent, quality)) - - -def effect_noise(size, sigma): - """ - Generate Gaussian noise centered around 128. - - :param size: The requested size in pixels, as a 2-tuple: - (width, height). - :param sigma: Standard deviation of noise. - """ - return Image()._new(core.effect_noise(size, sigma)) diff --git a/PIL/ImageCms.py b/PIL/ImageCms.py deleted file mode 100644 index 267afa4c639..00000000000 --- a/PIL/ImageCms.py +++ /dev/null @@ -1,974 +0,0 @@ -# The Python Imaging Library. -# $Id$ - -# Optional color management support, based on Kevin Cazabon's PyCMS -# library. - -# History: - -# 2009-03-08 fl Added to PIL. - -# Copyright (C) 2002-2003 Kevin Cazabon -# Copyright (c) 2009 by Fredrik Lundh -# Copyright (c) 2013 by Eric Soroos - -# See the README file for information on usage and redistribution. See -# below for the original description. - -from __future__ import print_function -import sys - -from PIL import Image -try: - from PIL import _imagingcms -except ImportError as ex: - # Allow error import for doc purposes, but error out when accessing - # anything in core. - from _util import deferred_error - _imagingcms = deferred_error(ex) -from PIL._util import isStringType - -DESCRIPTION = """ -pyCMS - - a Python / PIL interface to the littleCMS ICC Color Management System - Copyright (C) 2002-2003 Kevin Cazabon - kevin@cazabon.com - http://www.cazabon.com - - pyCMS home page: http://www.cazabon.com/pyCMS - littleCMS home page: http://www.littlecms.com - (littleCMS is Copyright (C) 1998-2001 Marti Maria) - - Originally released under LGPL. Graciously donated to PIL in - March 2009, for distribution under the standard PIL license - - The pyCMS.py module provides a "clean" interface between Python/PIL and - pyCMSdll, taking care of some of the more complex handling of the direct - pyCMSdll functions, as well as error-checking and making sure that all - relevant data is kept together. - - While it is possible to call pyCMSdll functions directly, it's not highly - recommended. - - Version History: - - 1.0.0 pil Oct 2013 Port to LCMS 2. - - 0.1.0 pil mod March 10, 2009 - - Renamed display profile to proof profile. The proof - profile is the profile of the device that is being - simulated, not the profile of the device which is - actually used to display/print the final simulation - (that'd be the output profile) - also see LCMSAPI.txt - input colorspace -> using 'renderingIntent' -> proof - colorspace -> using 'proofRenderingIntent' -> output - colorspace - - Added LCMS FLAGS support. - Added FLAGS["SOFTPROOFING"] as default flag for - buildProofTransform (otherwise the proof profile/intent - would be ignored). - - 0.1.0 pil March 2009 - added to PIL, as PIL.ImageCms - - 0.0.2 alpha Jan 6, 2002 - - Added try/except statements around type() checks of - potential CObjects... Python won't let you use type() - on them, and raises a TypeError (stupid, if you ask - me!) - - Added buildProofTransformFromOpenProfiles() function. - Additional fixes in DLL, see DLL code for details. - - 0.0.1 alpha first public release, Dec. 26, 2002 - - Known to-do list with current version (of Python interface, not pyCMSdll): - - none - -""" - -VERSION = "1.0.0 pil" - -# --------------------------------------------------------------------. - -core = _imagingcms - -# -# intent/direction values - -INTENT_PERCEPTUAL = 0 -INTENT_RELATIVE_COLORIMETRIC = 1 -INTENT_SATURATION = 2 -INTENT_ABSOLUTE_COLORIMETRIC = 3 - -DIRECTION_INPUT = 0 -DIRECTION_OUTPUT = 1 -DIRECTION_PROOF = 2 - -# -# flags - -FLAGS = { - "MATRIXINPUT": 1, - "MATRIXOUTPUT": 2, - "MATRIXONLY": (1 | 2), - "NOWHITEONWHITEFIXUP": 4, # Don't hot fix scum dot - # Don't create prelinearization tables on precalculated transforms - # (internal use): - "NOPRELINEARIZATION": 16, - "GUESSDEVICECLASS": 32, # Guess device class (for transform2devicelink) - "NOTCACHE": 64, # Inhibit 1-pixel cache - "NOTPRECALC": 256, - "NULLTRANSFORM": 512, # Don't transform anyway - "HIGHRESPRECALC": 1024, # Use more memory to give better accuracy - "LOWRESPRECALC": 2048, # Use less memory to minimize resources - "WHITEBLACKCOMPENSATION": 8192, - "BLACKPOINTCOMPENSATION": 8192, - "GAMUTCHECK": 4096, # Out of Gamut alarm - "SOFTPROOFING": 16384, # Do softproofing - "PRESERVEBLACK": 32768, # Black preservation - "NODEFAULTRESOURCEDEF": 16777216, # CRD special - "GRIDPOINTS": lambda n: ((n) & 0xFF) << 16 # Gridpoints -} - -_MAX_FLAG = 0 -for flag in FLAGS.values(): - if isinstance(flag, int): - _MAX_FLAG = _MAX_FLAG | flag - - -# --------------------------------------------------------------------. -# Experimental PIL-level API -# --------------------------------------------------------------------. - -## -# Profile. - -class ImageCmsProfile(object): - - def __init__(self, profile): - """ - :param profile: Either a string representing a filename, - a file like object containing a profile or a - low-level profile object - - """ - - if isStringType(profile): - self._set(core.profile_open(profile), profile) - elif hasattr(profile, "read"): - self._set(core.profile_frombytes(profile.read())) - elif isinstance(profile, _imagingcms.CmsProfile): - self._set(profile) - else: - raise TypeError("Invalid type for Profile") - - - def _set(self, profile, filename=None): - self.profile = profile - self.filename = filename - if profile: - self.product_name = None # profile.product_name - self.product_info = None # profile.product_info - else: - self.product_name = None - self.product_info = None - - def tobytes(self): - """ - Returns the profile in a format suitable for embedding in - saved images. - - :returns: a bytes object containing the ICC profile. - """ - - return core.profile_tobytes(self.profile) - - -class ImageCmsTransform(Image.ImagePointHandler): - - """ - Transform. This can be used with the procedural API, or with the standard - Image.point() method. - - Will return the output profile in the output.info['icc_profile']. - """ - - def __init__(self, input, output, input_mode, output_mode, - intent=INTENT_PERCEPTUAL, proof=None, - proof_intent=INTENT_ABSOLUTE_COLORIMETRIC, flags=0): - if proof is None: - self.transform = core.buildTransform( - input.profile, output.profile, - input_mode, output_mode, - intent, - flags - ) - else: - self.transform = core.buildProofTransform( - input.profile, output.profile, proof.profile, - input_mode, output_mode, - intent, proof_intent, - flags - ) - # Note: inputMode and outputMode are for pyCMS compatibility only - self.input_mode = self.inputMode = input_mode - self.output_mode = self.outputMode = output_mode - - self.output_profile = output - - def point(self, im): - return self.apply(im) - - def apply(self, im, imOut=None): - im.load() - if imOut is None: - imOut = Image.new(self.output_mode, im.size, None) - self.transform.apply(im.im.id, imOut.im.id) - imOut.info['icc_profile'] = self.output_profile.tobytes() - return imOut - - def apply_in_place(self, im): - im.load() - if im.mode != self.output_mode: - raise ValueError("mode mismatch") # wrong output mode - self.transform.apply(im.im.id, im.im.id) - im.info['icc_profile'] = self.output_profile.tobytes() - return im - - -def get_display_profile(handle=None): - """ (experimental) Fetches the profile for the current display device. - :returns: None if the profile is not known. - """ - - if sys.platform == "win32": - from PIL import ImageWin - if isinstance(handle, ImageWin.HDC): - profile = core.get_display_profile_win32(handle, 1) - else: - profile = core.get_display_profile_win32(handle or 0) - else: - try: - get = _imagingcms.get_display_profile - except AttributeError: - return None - else: - profile = get() - return ImageCmsProfile(profile) - - -# --------------------------------------------------------------------. -# pyCMS compatible layer -# --------------------------------------------------------------------. - -class PyCMSError(Exception): - - """ (pyCMS) Exception class. - This is used for all errors in the pyCMS API. """ - pass - - -def profileToProfile( - im, inputProfile, outputProfile, renderingIntent=INTENT_PERCEPTUAL, - outputMode=None, inPlace=0, flags=0): - """ - (pyCMS) Applies an ICC transformation to a given image, mapping from - inputProfile to outputProfile. - - If the input or output profiles specified are not valid filenames, a - PyCMSError will be raised. If inPlace == TRUE and outputMode != im.mode, - a PyCMSError will be raised. If an error occurs during application of - the profiles, a PyCMSError will be raised. If outputMode is not a mode - supported by the outputProfile (or by pyCMS), a PyCMSError will be - raised. - - This function applies an ICC transformation to im from inputProfile's - color space to outputProfile's color space using the specified rendering - intent to decide how to handle out-of-gamut colors. - - OutputMode can be used to specify that a color mode conversion is to - be done using these profiles, but the specified profiles must be able - to handle that mode. I.e., if converting im from RGB to CMYK using - profiles, the input profile must handle RGB data, and the output - profile must handle CMYK data. - - :param im: An open PIL image object (i.e. Image.new(...) or - Image.open(...), etc.) - :param inputProfile: String, as a valid filename path to the ICC input - profile you wish to use for this image, or a profile object - :param outputProfile: String, as a valid filename path to the ICC output - profile you wish to use for this image, or a profile object - :param renderingIntent: Integer (0-3) specifying the rendering intent you - wish to use for the transform - - INTENT_PERCEPTUAL = 0 (DEFAULT) (ImageCms.INTENT_PERCEPTUAL) - INTENT_RELATIVE_COLORIMETRIC = 1 (ImageCms.INTENT_RELATIVE_COLORIMETRIC) - INTENT_SATURATION = 2 (ImageCms.INTENT_SATURATION) - INTENT_ABSOLUTE_COLORIMETRIC = 3 (ImageCms.INTENT_ABSOLUTE_COLORIMETRIC) - - see the pyCMS documentation for details on rendering intents and what - they do. - :param outputMode: A valid PIL mode for the output image (i.e. "RGB", - "CMYK", etc.). Note: if rendering the image "inPlace", outputMode - MUST be the same mode as the input, or omitted completely. If - omitted, the outputMode will be the same as the mode of the input - image (im.mode) - :param inPlace: Boolean (1 = True, None or 0 = False). If True, the - original image is modified in-place, and None is returned. If False - (default), a new Image object is returned with the transform applied. - :param flags: Integer (0-...) specifying additional flags - :returns: Either None or a new PIL image object, depending on value of - inPlace - :exception PyCMSError: - """ - - if outputMode is None: - outputMode = im.mode - - if not isinstance(renderingIntent, int) or not (0 <= renderingIntent <= 3): - raise PyCMSError("renderingIntent must be an integer between 0 and 3") - - if not isinstance(flags, int) or not (0 <= flags <= _MAX_FLAG): - raise PyCMSError( - "flags must be an integer between 0 and %s" + _MAX_FLAG) - - try: - if not isinstance(inputProfile, ImageCmsProfile): - inputProfile = ImageCmsProfile(inputProfile) - if not isinstance(outputProfile, ImageCmsProfile): - outputProfile = ImageCmsProfile(outputProfile) - transform = ImageCmsTransform( - inputProfile, outputProfile, im.mode, outputMode, - renderingIntent, flags=flags - ) - if inPlace: - transform.apply_in_place(im) - imOut = None - else: - imOut = transform.apply(im) - except (IOError, TypeError, ValueError) as v: - raise PyCMSError(v) - - return imOut - - -def getOpenProfile(profileFilename): - """ - (pyCMS) Opens an ICC profile file. - - The PyCMSProfile object can be passed back into pyCMS for use in creating - transforms and such (as in ImageCms.buildTransformFromOpenProfiles()). - - If profileFilename is not a vaild filename for an ICC profile, a PyCMSError - will be raised. - - :param profileFilename: String, as a valid filename path to the ICC profile - you wish to open, or a file-like object. - :returns: A CmsProfile class object. - :exception PyCMSError: - """ - - try: - return ImageCmsProfile(profileFilename) - except (IOError, TypeError, ValueError) as v: - raise PyCMSError(v) - - -def buildTransform( - inputProfile, outputProfile, inMode, outMode, - renderingIntent=INTENT_PERCEPTUAL, flags=0): - """ - (pyCMS) Builds an ICC transform mapping from the inputProfile to the - outputProfile. Use applyTransform to apply the transform to a given - image. - - If the input or output profiles specified are not valid filenames, a - PyCMSError will be raised. If an error occurs during creation of the - transform, a PyCMSError will be raised. - - If inMode or outMode are not a mode supported by the outputProfile (or - by pyCMS), a PyCMSError will be raised. - - This function builds and returns an ICC transform from the inputProfile - to the outputProfile using the renderingIntent to determine what to do - with out-of-gamut colors. It will ONLY work for converting images that - are in inMode to images that are in outMode color format (PIL mode, - i.e. "RGB", "RGBA", "CMYK", etc.). - - Building the transform is a fair part of the overhead in - ImageCms.profileToProfile(), so if you're planning on converting multiple - images using the same input/output settings, this can save you time. - Once you have a transform object, it can be used with - ImageCms.applyProfile() to convert images without the need to re-compute - the lookup table for the transform. - - The reason pyCMS returns a class object rather than a handle directly - to the transform is that it needs to keep track of the PIL input/output - modes that the transform is meant for. These attributes are stored in - the "inMode" and "outMode" attributes of the object (which can be - manually overridden if you really want to, but I don't know of any - time that would be of use, or would even work). - - :param inputProfile: String, as a valid filename path to the ICC input - profile you wish to use for this transform, or a profile object - :param outputProfile: String, as a valid filename path to the ICC output - profile you wish to use for this transform, or a profile object - :param inMode: String, as a valid PIL mode that the appropriate profile - also supports (i.e. "RGB", "RGBA", "CMYK", etc.) - :param outMode: String, as a valid PIL mode that the appropriate profile - also supports (i.e. "RGB", "RGBA", "CMYK", etc.) - :param renderingIntent: Integer (0-3) specifying the rendering intent you - wish to use for the transform - - INTENT_PERCEPTUAL = 0 (DEFAULT) (ImageCms.INTENT_PERCEPTUAL) - INTENT_RELATIVE_COLORIMETRIC = 1 (ImageCms.INTENT_RELATIVE_COLORIMETRIC) - INTENT_SATURATION = 2 (ImageCms.INTENT_SATURATION) - INTENT_ABSOLUTE_COLORIMETRIC = 3 (ImageCms.INTENT_ABSOLUTE_COLORIMETRIC) - - see the pyCMS documentation for details on rendering intents and what - they do. - :param flags: Integer (0-...) specifying additional flags - :returns: A CmsTransform class object. - :exception PyCMSError: - """ - - if not isinstance(renderingIntent, int) or not (0 <= renderingIntent <= 3): - raise PyCMSError("renderingIntent must be an integer between 0 and 3") - - if not isinstance(flags, int) or not (0 <= flags <= _MAX_FLAG): - raise PyCMSError( - "flags must be an integer between 0 and %s" + _MAX_FLAG) - - try: - if not isinstance(inputProfile, ImageCmsProfile): - inputProfile = ImageCmsProfile(inputProfile) - if not isinstance(outputProfile, ImageCmsProfile): - outputProfile = ImageCmsProfile(outputProfile) - return ImageCmsTransform( - inputProfile, outputProfile, inMode, outMode, - renderingIntent, flags=flags) - except (IOError, TypeError, ValueError) as v: - raise PyCMSError(v) - - -def buildProofTransform( - inputProfile, outputProfile, proofProfile, inMode, outMode, - renderingIntent=INTENT_PERCEPTUAL, - proofRenderingIntent=INTENT_ABSOLUTE_COLORIMETRIC, - flags=FLAGS["SOFTPROOFING"]): - """ - (pyCMS) Builds an ICC transform mapping from the inputProfile to the - outputProfile, but tries to simulate the result that would be - obtained on the proofProfile device. - - If the input, output, or proof profiles specified are not valid - filenames, a PyCMSError will be raised. - - If an error occurs during creation of the transform, a PyCMSError will - be raised. - - If inMode or outMode are not a mode supported by the outputProfile - (or by pyCMS), a PyCMSError will be raised. - - This function builds and returns an ICC transform from the inputProfile - to the outputProfile, but tries to simulate the result that would be - obtained on the proofProfile device using renderingIntent and - proofRenderingIntent to determine what to do with out-of-gamut - colors. This is known as "soft-proofing". It will ONLY work for - converting images that are in inMode to images that are in outMode - color format (PIL mode, i.e. "RGB", "RGBA", "CMYK", etc.). - - Usage of the resulting transform object is exactly the same as with - ImageCms.buildTransform(). - - Proof profiling is generally used when using an output device to get a - good idea of what the final printed/displayed image would look like on - the proofProfile device when it's quicker and easier to use the - output device for judging color. Generally, this means that the - output device is a monitor, or a dye-sub printer (etc.), and the simulated - device is something more expensive, complicated, or time consuming - (making it difficult to make a real print for color judgement purposes). - - Soft-proofing basically functions by adjusting the colors on the - output device to match the colors of the device being simulated. However, - when the simulated device has a much wider gamut than the output - device, you may obtain marginal results. - - :param inputProfile: String, as a valid filename path to the ICC input - profile you wish to use for this transform, or a profile object - :param outputProfile: String, as a valid filename path to the ICC output - (monitor, usually) profile you wish to use for this transform, or a - profile object - :param proofProfile: String, as a valid filename path to the ICC proof - profile you wish to use for this transform, or a profile object - :param inMode: String, as a valid PIL mode that the appropriate profile - also supports (i.e. "RGB", "RGBA", "CMYK", etc.) - :param outMode: String, as a valid PIL mode that the appropriate profile - also supports (i.e. "RGB", "RGBA", "CMYK", etc.) - :param renderingIntent: Integer (0-3) specifying the rendering intent you - wish to use for the input->proof (simulated) transform - - INTENT_PERCEPTUAL = 0 (DEFAULT) (ImageCms.INTENT_PERCEPTUAL) - INTENT_RELATIVE_COLORIMETRIC = 1 (ImageCms.INTENT_RELATIVE_COLORIMETRIC) - INTENT_SATURATION = 2 (ImageCms.INTENT_SATURATION) - INTENT_ABSOLUTE_COLORIMETRIC = 3 (ImageCms.INTENT_ABSOLUTE_COLORIMETRIC) - - see the pyCMS documentation for details on rendering intents and what - they do. - :param proofRenderingIntent: Integer (0-3) specifying the rendering intent you - wish to use for proof->output transform - - INTENT_PERCEPTUAL = 0 (DEFAULT) (ImageCms.INTENT_PERCEPTUAL) - INTENT_RELATIVE_COLORIMETRIC = 1 (ImageCms.INTENT_RELATIVE_COLORIMETRIC) - INTENT_SATURATION = 2 (ImageCms.INTENT_SATURATION) - INTENT_ABSOLUTE_COLORIMETRIC = 3 (ImageCms.INTENT_ABSOLUTE_COLORIMETRIC) - - see the pyCMS documentation for details on rendering intents and what - they do. - :param flags: Integer (0-...) specifying additional flags - :returns: A CmsTransform class object. - :exception PyCMSError: - """ - - if not isinstance(renderingIntent, int) or not (0 <= renderingIntent <= 3): - raise PyCMSError("renderingIntent must be an integer between 0 and 3") - - if not isinstance(flags, int) or not (0 <= flags <= _MAX_FLAG): - raise PyCMSError( - "flags must be an integer between 0 and %s" + _MAX_FLAG) - - try: - if not isinstance(inputProfile, ImageCmsProfile): - inputProfile = ImageCmsProfile(inputProfile) - if not isinstance(outputProfile, ImageCmsProfile): - outputProfile = ImageCmsProfile(outputProfile) - if not isinstance(proofProfile, ImageCmsProfile): - proofProfile = ImageCmsProfile(proofProfile) - return ImageCmsTransform( - inputProfile, outputProfile, inMode, outMode, renderingIntent, - proofProfile, proofRenderingIntent, flags) - except (IOError, TypeError, ValueError) as v: - raise PyCMSError(v) - -buildTransformFromOpenProfiles = buildTransform -buildProofTransformFromOpenProfiles = buildProofTransform - - -def applyTransform(im, transform, inPlace=0): - """ - (pyCMS) Applies a transform to a given image. - - If im.mode != transform.inMode, a PyCMSError is raised. - - If inPlace == TRUE and transform.inMode != transform.outMode, a - PyCMSError is raised. - - If im.mode, transfer.inMode, or transfer.outMode is not supported by - pyCMSdll or the profiles you used for the transform, a PyCMSError is - raised. - - If an error occurs while the transform is being applied, a PyCMSError - is raised. - - This function applies a pre-calculated transform (from - ImageCms.buildTransform() or ImageCms.buildTransformFromOpenProfiles()) - to an image. The transform can be used for multiple images, saving - considerable calculation time if doing the same conversion multiple times. - - If you want to modify im in-place instead of receiving a new image as - the return value, set inPlace to TRUE. This can only be done if - transform.inMode and transform.outMode are the same, because we can't - change the mode in-place (the buffer sizes for some modes are - different). The default behavior is to return a new Image object of - the same dimensions in mode transform.outMode. - - :param im: A PIL Image object, and im.mode must be the same as the inMode - supported by the transform. - :param transform: A valid CmsTransform class object - :param inPlace: Bool (1 == True, 0 or None == False). If True, im is - modified in place and None is returned, if False, a new Image object - with the transform applied is returned (and im is not changed). The - default is False. - :returns: Either None, or a new PIL Image object, depending on the value of - inPlace. The profile will be returned in the image's - info['icc_profile']. - :exception PyCMSError: - """ - - try: - if inPlace: - transform.apply_in_place(im) - imOut = None - else: - imOut = transform.apply(im) - except (TypeError, ValueError) as v: - raise PyCMSError(v) - - return imOut - - -def createProfile(colorSpace, colorTemp=-1): - """ - (pyCMS) Creates a profile. - - If colorSpace not in ["LAB", "XYZ", "sRGB"], a PyCMSError is raised - - If using LAB and colorTemp != a positive integer, a PyCMSError is raised. - - If an error occurs while creating the profile, a PyCMSError is raised. - - Use this function to create common profiles on-the-fly instead of - having to supply a profile on disk and knowing the path to it. It - returns a normal CmsProfile object that can be passed to - ImageCms.buildTransformFromOpenProfiles() to create a transform to apply - to images. - - :param colorSpace: String, the color space of the profile you wish to - create. - Currently only "LAB", "XYZ", and "sRGB" are supported. - :param colorTemp: Positive integer for the white point for the profile, in - degrees Kelvin (i.e. 5000, 6500, 9600, etc.). The default is for D50 - illuminant if omitted (5000k). colorTemp is ONLY applied to LAB - profiles, and is ignored for XYZ and sRGB. - :returns: A CmsProfile class object - :exception PyCMSError: - """ - - if colorSpace not in ["LAB", "XYZ", "sRGB"]: - raise PyCMSError( - "Color space not supported for on-the-fly profile creation (%s)" - % colorSpace) - - if colorSpace == "LAB": - try: - colorTemp = float(colorTemp) - except: - raise PyCMSError( - "Color temperature must be numeric, \"%s\" not valid" - % colorTemp) - - try: - return core.createProfile(colorSpace, colorTemp) - except (TypeError, ValueError) as v: - raise PyCMSError(v) - - -def getProfileName(profile): - """ - - (pyCMS) Gets the internal product name for the given profile. - - If profile isn't a valid CmsProfile object or filename to a profile, - a PyCMSError is raised If an error occurs while trying to obtain the - name tag, a PyCMSError is raised. - - Use this function to obtain the INTERNAL name of the profile (stored - in an ICC tag in the profile itself), usually the one used when the - profile was originally created. Sometimes this tag also contains - additional information supplied by the creator. - - :param profile: EITHER a valid CmsProfile object, OR a string of the - filename of an ICC profile. - :returns: A string containing the internal name of the profile as stored - in an ICC tag. - :exception PyCMSError: - """ - - try: - # add an extra newline to preserve pyCMS compatibility - if not isinstance(profile, ImageCmsProfile): - profile = ImageCmsProfile(profile) - # do it in python, not c. - # // name was "%s - %s" (model, manufacturer) || Description , - # // but if the Model and Manufacturer were the same or the model - # // was long, Just the model, in 1.x - model = profile.profile.product_model - manufacturer = profile.profile.product_manufacturer - - if not (model or manufacturer): - return profile.profile.product_description + "\n" - if not manufacturer or len(model) > 30: - return model + "\n" - return "%s - %s\n" % (model, manufacturer) - - except (AttributeError, IOError, TypeError, ValueError) as v: - raise PyCMSError(v) - - -def getProfileInfo(profile): - """ - (pyCMS) Gets the internal product information for the given profile. - - If profile isn't a valid CmsProfile object or filename to a profile, - a PyCMSError is raised. - - If an error occurs while trying to obtain the info tag, a PyCMSError - is raised - - Use this function to obtain the information stored in the profile's - info tag. This often contains details about the profile, and how it - was created, as supplied by the creator. - - :param profile: EITHER a valid CmsProfile object, OR a string of the - filename of an ICC profile. - :returns: A string containing the internal profile information stored in - an ICC tag. - :exception PyCMSError: - """ - - try: - if not isinstance(profile, ImageCmsProfile): - profile = ImageCmsProfile(profile) - # add an extra newline to preserve pyCMS compatibility - # Python, not C. the white point bits weren't working well, - # so skipping. - # // info was description \r\n\r\n copyright \r\n\r\n K007 tag \r\n\r\n whitepoint - description = profile.profile.product_description - cpright = profile.profile.product_copyright - arr = [] - for elt in (description, cpright): - if elt: - arr.append(elt) - return "\r\n\r\n".join(arr) + "\r\n\r\n" - - except (AttributeError, IOError, TypeError, ValueError) as v: - raise PyCMSError(v) - - -def getProfileCopyright(profile): - """ - (pyCMS) Gets the copyright for the given profile. - - If profile isn't a valid CmsProfile object or filename to a profile, - a PyCMSError is raised. - - If an error occurs while trying to obtain the copyright tag, a PyCMSError - is raised - - Use this function to obtain the information stored in the profile's - copyright tag. - - :param profile: EITHER a valid CmsProfile object, OR a string of the - filename of an ICC profile. - :returns: A string containing the internal profile information stored in - an ICC tag. - :exception PyCMSError: - """ - try: - # add an extra newline to preserve pyCMS compatibility - if not isinstance(profile, ImageCmsProfile): - profile = ImageCmsProfile(profile) - return profile.profile.product_copyright + "\n" - except (AttributeError, IOError, TypeError, ValueError) as v: - raise PyCMSError(v) - - -def getProfileManufacturer(profile): - """ - (pyCMS) Gets the manufacturer for the given profile. - - If profile isn't a valid CmsProfile object or filename to a profile, - a PyCMSError is raised. - - If an error occurs while trying to obtain the manufacturer tag, a - PyCMSError is raised - - Use this function to obtain the information stored in the profile's - manufacturer tag. - - :param profile: EITHER a valid CmsProfile object, OR a string of the - filename of an ICC profile. - :returns: A string containing the internal profile information stored in - an ICC tag. - :exception PyCMSError: - """ - try: - # add an extra newline to preserve pyCMS compatibility - if not isinstance(profile, ImageCmsProfile): - profile = ImageCmsProfile(profile) - return profile.profile.product_manufacturer + "\n" - except (AttributeError, IOError, TypeError, ValueError) as v: - raise PyCMSError(v) - - -def getProfileModel(profile): - """ - (pyCMS) Gets the model for the given profile. - - If profile isn't a valid CmsProfile object or filename to a profile, - a PyCMSError is raised. - - If an error occurs while trying to obtain the model tag, a PyCMSError - is raised - - Use this function to obtain the information stored in the profile's - model tag. - - :param profile: EITHER a valid CmsProfile object, OR a string of the - filename of an ICC profile. - :returns: A string containing the internal profile information stored in - an ICC tag. - :exception PyCMSError: - """ - - try: - # add an extra newline to preserve pyCMS compatibility - if not isinstance(profile, ImageCmsProfile): - profile = ImageCmsProfile(profile) - return profile.profile.product_model + "\n" - except (AttributeError, IOError, TypeError, ValueError) as v: - raise PyCMSError(v) - - -def getProfileDescription(profile): - """ - (pyCMS) Gets the description for the given profile. - - If profile isn't a valid CmsProfile object or filename to a profile, - a PyCMSError is raised. - - If an error occurs while trying to obtain the description tag, a PyCMSError - is raised - - Use this function to obtain the information stored in the profile's - description tag. - - :param profile: EITHER a valid CmsProfile object, OR a string of the - filename of an ICC profile. - :returns: A string containing the internal profile information stored in an - ICC tag. - :exception PyCMSError: - """ - - try: - # add an extra newline to preserve pyCMS compatibility - if not isinstance(profile, ImageCmsProfile): - profile = ImageCmsProfile(profile) - return profile.profile.product_description + "\n" - except (AttributeError, IOError, TypeError, ValueError) as v: - raise PyCMSError(v) - - -def getDefaultIntent(profile): - """ - (pyCMS) Gets the default intent name for the given profile. - - If profile isn't a valid CmsProfile object or filename to a profile, - a PyCMSError is raised. - - If an error occurs while trying to obtain the default intent, a - PyCMSError is raised. - - Use this function to determine the default (and usually best optimized) - rendering intent for this profile. Most profiles support multiple - rendering intents, but are intended mostly for one type of conversion. - If you wish to use a different intent than returned, use - ImageCms.isIntentSupported() to verify it will work first. - - :param profile: EITHER a valid CmsProfile object, OR a string of the - filename of an ICC profile. - :returns: Integer 0-3 specifying the default rendering intent for this - profile. - - INTENT_PERCEPTUAL = 0 (DEFAULT) (ImageCms.INTENT_PERCEPTUAL) - INTENT_RELATIVE_COLORIMETRIC = 1 (ImageCms.INTENT_RELATIVE_COLORIMETRIC) - INTENT_SATURATION = 2 (ImageCms.INTENT_SATURATION) - INTENT_ABSOLUTE_COLORIMETRIC = 3 (ImageCms.INTENT_ABSOLUTE_COLORIMETRIC) - - see the pyCMS documentation for details on rendering intents and what - they do. - :exception PyCMSError: - """ - - try: - if not isinstance(profile, ImageCmsProfile): - profile = ImageCmsProfile(profile) - return profile.profile.rendering_intent - except (AttributeError, IOError, TypeError, ValueError) as v: - raise PyCMSError(v) - - -def isIntentSupported(profile, intent, direction): - """ - (pyCMS) Checks if a given intent is supported. - - Use this function to verify that you can use your desired - renderingIntent with profile, and that profile can be used for the - input/output/proof profile as you desire. - - Some profiles are created specifically for one "direction", can cannot - be used for others. Some profiles can only be used for certain - rendering intents... so it's best to either verify this before trying - to create a transform with them (using this function), or catch the - potential PyCMSError that will occur if they don't support the modes - you select. - - :param profile: EITHER a valid CmsProfile object, OR a string of the - filename of an ICC profile. - :param intent: Integer (0-3) specifying the rendering intent you wish to - use with this profile - - INTENT_PERCEPTUAL = 0 (DEFAULT) (ImageCms.INTENT_PERCEPTUAL) - INTENT_RELATIVE_COLORIMETRIC = 1 (ImageCms.INTENT_RELATIVE_COLORIMETRIC) - INTENT_SATURATION = 2 (ImageCms.INTENT_SATURATION) - INTENT_ABSOLUTE_COLORIMETRIC = 3 (ImageCms.INTENT_ABSOLUTE_COLORIMETRIC) - - see the pyCMS documentation for details on rendering intents and what - they do. - :param direction: Integer specifying if the profile is to be used for input, - output, or proof - - INPUT = 0 (or use ImageCms.DIRECTION_INPUT) - OUTPUT = 1 (or use ImageCms.DIRECTION_OUTPUT) - PROOF = 2 (or use ImageCms.DIRECTION_PROOF) - - :returns: 1 if the intent/direction are supported, -1 if they are not. - :exception PyCMSError: - """ - - try: - if not isinstance(profile, ImageCmsProfile): - profile = ImageCmsProfile(profile) - # FIXME: I get different results for the same data w. different - # compilers. Bug in LittleCMS or in the binding? - if profile.profile.is_intent_supported(intent, direction): - return 1 - else: - return -1 - except (AttributeError, IOError, TypeError, ValueError) as v: - raise PyCMSError(v) - - -def versions(): - """ - (pyCMS) Fetches versions. - """ - - return ( - VERSION, core.littlecms_version, - sys.version.split()[0], Image.VERSION - ) - -# -------------------------------------------------------------------- - -if __name__ == "__main__": - # create a cheap manual from the __doc__ strings for the functions above - - print(__doc__) - - for f in dir(sys.modules[__name__]): - doc = None - try: - exec("doc = %s.__doc__" % (f)) - if "pyCMS" in doc: - # so we don't get the __doc__ string for imported modules - print("=" * 80) - print("%s" % f) - print(doc) - except (AttributeError, TypeError): - pass diff --git a/PIL/ImageDraw.py b/PIL/ImageDraw.py deleted file mode 100644 index 5dfb5929d86..00000000000 --- a/PIL/ImageDraw.py +++ /dev/null @@ -1,382 +0,0 @@ -# -# The Python Imaging Library -# $Id$ -# -# drawing interface operations -# -# History: -# 1996-04-13 fl Created (experimental) -# 1996-08-07 fl Filled polygons, ellipses. -# 1996-08-13 fl Added text support -# 1998-06-28 fl Handle I and F images -# 1998-12-29 fl Added arc; use arc primitive to draw ellipses -# 1999-01-10 fl Added shape stuff (experimental) -# 1999-02-06 fl Added bitmap support -# 1999-02-11 fl Changed all primitives to take options -# 1999-02-20 fl Fixed backwards compatibility -# 2000-10-12 fl Copy on write, when necessary -# 2001-02-18 fl Use default ink for bitmap/text also in fill mode -# 2002-10-24 fl Added support for CSS-style color strings -# 2002-12-10 fl Added experimental support for RGBA-on-RGB drawing -# 2002-12-11 fl Refactored low-level drawing API (work in progress) -# 2004-08-26 fl Made Draw() a factory function, added getdraw() support -# 2004-09-04 fl Added width support to line primitive -# 2004-09-10 fl Added font mode handling -# 2006-06-19 fl Added font bearing support (getmask2) -# -# Copyright (c) 1997-2006 by Secret Labs AB -# Copyright (c) 1996-2006 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -import numbers -import warnings - -from PIL import Image, ImageColor -from PIL._util import isStringType - -""" -A simple 2D drawing interface for PIL images. -

-Application code should use the Draw factory, instead of -directly. -""" - - -class ImageDraw(object): - - def __init__(self, im, mode=None): - """ - Create a drawing instance. - - :param im: The image to draw in. - :param mode: Optional mode to use for color values. For RGB - images, this argument can be RGB or RGBA (to blend the - drawing into the image). For all other modes, this argument - must be the same as the image mode. If omitted, the mode - defaults to the mode of the image. - """ - im.load() - if im.readonly: - im._copy() # make it writeable - blend = 0 - if mode is None: - mode = im.mode - if mode != im.mode: - if mode == "RGBA" and im.mode == "RGB": - blend = 1 - else: - raise ValueError("mode mismatch") - if mode == "P": - self.palette = im.palette - else: - self.palette = None - self.im = im.im - self.draw = Image.core.draw(self.im, blend) - self.mode = mode - if mode in ("I", "F"): - self.ink = self.draw.draw_ink(1, mode) - else: - self.ink = self.draw.draw_ink(-1, mode) - if mode in ("1", "P", "I", "F"): - # FIXME: fix Fill2 to properly support matte for I+F images - self.fontmode = "1" - else: - self.fontmode = "L" # aliasing is okay for other modes - self.fill = 0 - self.font = None - - def setink(self, ink): - raise NotImplementedError("setink() has been removed. " + - "Please use keyword arguments instead.") - - def setfill(self, onoff): - raise NotImplementedError("setfill() has been removed. " + - "Please use keyword arguments instead.") - - def setfont(self, font): - warnings.warn("setfont() is deprecated. " + - "Please set the attribute directly instead.") - # compatibility - self.font = font - - def getfont(self): - """Get the current default font.""" - if not self.font: - # FIXME: should add a font repository - from PIL import ImageFont - self.font = ImageFont.load_default() - return self.font - - def _getink(self, ink, fill=None): - if ink is None and fill is None: - if self.fill: - fill = self.ink - else: - ink = self.ink - else: - if ink is not None: - if isStringType(ink): - ink = ImageColor.getcolor(ink, self.mode) - if self.palette and not isinstance(ink, numbers.Number): - ink = self.palette.getcolor(ink) - ink = self.draw.draw_ink(ink, self.mode) - if fill is not None: - if isStringType(fill): - fill = ImageColor.getcolor(fill, self.mode) - if self.palette and not isinstance(fill, numbers.Number): - fill = self.palette.getcolor(fill) - fill = self.draw.draw_ink(fill, self.mode) - return ink, fill - - def arc(self, xy, start, end, fill=None): - """Draw an arc.""" - ink, fill = self._getink(fill) - if ink is not None: - self.draw.draw_arc(xy, start, end, ink) - - def bitmap(self, xy, bitmap, fill=None): - """Draw a bitmap.""" - bitmap.load() - ink, fill = self._getink(fill) - if ink is None: - ink = fill - if ink is not None: - self.draw.draw_bitmap(xy, bitmap.im, ink) - - def chord(self, xy, start, end, fill=None, outline=None): - """Draw a chord.""" - ink, fill = self._getink(outline, fill) - if fill is not None: - self.draw.draw_chord(xy, start, end, fill, 1) - if ink is not None: - self.draw.draw_chord(xy, start, end, ink, 0) - - def ellipse(self, xy, fill=None, outline=None): - """Draw an ellipse.""" - ink, fill = self._getink(outline, fill) - if fill is not None: - self.draw.draw_ellipse(xy, fill, 1) - if ink is not None: - self.draw.draw_ellipse(xy, ink, 0) - - def line(self, xy, fill=None, width=0): - """Draw a line, or a connected sequence of line segments.""" - ink, fill = self._getink(fill) - if ink is not None: - self.draw.draw_lines(xy, ink, width) - - def shape(self, shape, fill=None, outline=None): - """(Experimental) Draw a shape.""" - shape.close() - ink, fill = self._getink(outline, fill) - if fill is not None: - self.draw.draw_outline(shape, fill, 1) - if ink is not None: - self.draw.draw_outline(shape, ink, 0) - - def pieslice(self, xy, start, end, fill=None, outline=None): - """Draw a pieslice.""" - ink, fill = self._getink(outline, fill) - if fill is not None: - self.draw.draw_pieslice(xy, start, end, fill, 1) - if ink is not None: - self.draw.draw_pieslice(xy, start, end, ink, 0) - - def point(self, xy, fill=None): - """Draw one or more individual pixels.""" - ink, fill = self._getink(fill) - if ink is not None: - self.draw.draw_points(xy, ink) - - def polygon(self, xy, fill=None, outline=None): - """Draw a polygon.""" - ink, fill = self._getink(outline, fill) - if fill is not None: - self.draw.draw_polygon(xy, fill, 1) - if ink is not None: - self.draw.draw_polygon(xy, ink, 0) - - def rectangle(self, xy, fill=None, outline=None): - """Draw a rectangle.""" - ink, fill = self._getink(outline, fill) - if fill is not None: - self.draw.draw_rectangle(xy, fill, 1) - if ink is not None: - self.draw.draw_rectangle(xy, ink, 0) - - def _multiline_check(self, text): - """Draw text.""" - split_character = "\n" if isinstance(text, type("")) else b"\n" - - return split_character in text - - def _multiline_split(self, text): - split_character = "\n" if isinstance(text, type("")) else b"\n" - - return text.split(split_character) - - def text(self, xy, text, fill=None, font=None, anchor=None, - *args, **kwargs): - if self._multiline_check(text): - return self.multiline_text(xy, text, fill, font, anchor, - *args, **kwargs) - - ink, fill = self._getink(fill) - if font is None: - font = self.getfont() - if ink is None: - ink = fill - if ink is not None: - try: - mask, offset = font.getmask2(text, self.fontmode) - xy = xy[0] + offset[0], xy[1] + offset[1] - except AttributeError: - try: - mask = font.getmask(text, self.fontmode) - except TypeError: - mask = font.getmask(text) - self.draw.draw_bitmap(xy, mask, ink) - - def multiline_text(self, xy, text, fill=None, font=None, anchor=None, - spacing=4, align="left"): - widths = [] - max_width = 0 - lines = self._multiline_split(text) - line_spacing = self.textsize('A', font=font)[1] + spacing - for line in lines: - line_width, line_height = self.textsize(line, font) - widths.append(line_width) - max_width = max(max_width, line_width) - left, top = xy - for idx, line in enumerate(lines): - if align == "left": - pass # left = x - elif align == "center": - left += (max_width - widths[idx]) / 2.0 - elif align == "right": - left += (max_width - widths[idx]) - else: - assert False, 'align must be "left", "center" or "right"' - self.text((left, top), line, fill, font, anchor) - top += line_spacing - left = xy[0] - - def textsize(self, text, font=None, *args, **kwargs): - """Get the size of a given string, in pixels.""" - if self._multiline_check(text): - return self.multiline_textsize(text, font, *args, **kwargs) - - if font is None: - font = self.getfont() - return font.getsize(text) - - def multiline_textsize(self, text, font=None, spacing=4): - max_width = 0 - lines = self._multiline_split(text) - line_spacing = self.textsize('A', font=font)[1] + spacing - for line in lines: - line_width, line_height = self.textsize(line, font) - max_width = max(max_width, line_width) - return max_width, len(lines)*line_spacing - - -def Draw(im, mode=None): - """ - A simple 2D drawing interface for PIL images. - - :param im: The image to draw in. - :param mode: Optional mode to use for color values. For RGB - images, this argument can be RGB or RGBA (to blend the - drawing into the image). For all other modes, this argument - must be the same as the image mode. If omitted, the mode - defaults to the mode of the image. - """ - try: - return im.getdraw(mode) - except AttributeError: - return ImageDraw(im, mode) - -# experimental access to the outline API -try: - Outline = Image.core.outline -except AttributeError: - Outline = None - - -def getdraw(im=None, hints=None): - """ - (Experimental) A more advanced 2D drawing interface for PIL images, - based on the WCK interface. - - :param im: The image to draw in. - :param hints: An optional list of hints. - :returns: A (drawing context, drawing resource factory) tuple. - """ - # FIXME: this needs more work! - # FIXME: come up with a better 'hints' scheme. - handler = None - if not hints or "nicest" in hints: - try: - from PIL import _imagingagg as handler - except ImportError: - pass - if handler is None: - from PIL import ImageDraw2 as handler - if im: - im = handler.Draw(im) - return im, handler - - -def floodfill(image, xy, value, border=None): - """ - (experimental) Fills a bounded region with a given color. - - :param image: Target image. - :param xy: Seed position (a 2-item coordinate tuple). - :param value: Fill color. - :param border: Optional border value. If given, the region consists of - pixels with a color different from the border color. If not given, - the region consists of pixels having the same color as the seed - pixel. - """ - # based on an implementation by Eric S. Raymond - pixel = image.load() - x, y = xy - try: - background = pixel[x, y] - if background == value: - return # seed point already has fill color - pixel[x, y] = value - except IndexError: - return # seed point outside image - edge = [(x, y)] - if border is None: - while edge: - newedge = [] - for (x, y) in edge: - for (s, t) in ((x+1, y), (x-1, y), (x, y+1), (x, y-1)): - try: - p = pixel[s, t] - except IndexError: - pass - else: - if p == background: - pixel[s, t] = value - newedge.append((s, t)) - edge = newedge - else: - while edge: - newedge = [] - for (x, y) in edge: - for (s, t) in ((x+1, y), (x-1, y), (x, y+1), (x, y-1)): - try: - p = pixel[s, t] - except IndexError: - pass - else: - if p != value and p != border: - pixel[s, t] = value - newedge.append((s, t)) - edge = newedge diff --git a/PIL/ImageDraw2.py b/PIL/ImageDraw2.py deleted file mode 100644 index 62ee1163079..00000000000 --- a/PIL/ImageDraw2.py +++ /dev/null @@ -1,111 +0,0 @@ -# -# The Python Imaging Library -# $Id$ -# -# WCK-style drawing interface operations -# -# History: -# 2003-12-07 fl created -# 2005-05-15 fl updated; added to PIL as ImageDraw2 -# 2005-05-15 fl added text support -# 2005-05-20 fl added arc/chord/pieslice support -# -# Copyright (c) 2003-2005 by Secret Labs AB -# Copyright (c) 2003-2005 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image, ImageColor, ImageDraw, ImageFont, ImagePath - - -class Pen(object): - def __init__(self, color, width=1, opacity=255): - self.color = ImageColor.getrgb(color) - self.width = width - - -class Brush(object): - def __init__(self, color, opacity=255): - self.color = ImageColor.getrgb(color) - - -class Font(object): - def __init__(self, color, file, size=12): - # FIXME: add support for bitmap fonts - self.color = ImageColor.getrgb(color) - self.font = ImageFont.truetype(file, size) - - -class Draw(object): - - def __init__(self, image, size=None, color=None): - if not hasattr(image, "im"): - image = Image.new(image, size, color) - self.draw = ImageDraw.Draw(image) - self.image = image - self.transform = None - - def flush(self): - return self.image - - def render(self, op, xy, pen, brush=None): - # handle color arguments - outline = fill = None - width = 1 - if isinstance(pen, Pen): - outline = pen.color - width = pen.width - elif isinstance(brush, Pen): - outline = brush.color - width = brush.width - if isinstance(brush, Brush): - fill = brush.color - elif isinstance(pen, Brush): - fill = pen.color - # handle transformation - if self.transform: - xy = ImagePath.Path(xy) - xy.transform(self.transform) - # render the item - if op == "line": - self.draw.line(xy, fill=outline, width=width) - else: - getattr(self.draw, op)(xy, fill=fill, outline=outline) - - def settransform(self, offset): - (xoffset, yoffset) = offset - self.transform = (1, 0, xoffset, 0, 1, yoffset) - - def arc(self, xy, start, end, *options): - self.render("arc", xy, start, end, *options) - - def chord(self, xy, start, end, *options): - self.render("chord", xy, start, end, *options) - - def ellipse(self, xy, *options): - self.render("ellipse", xy, *options) - - def line(self, xy, *options): - self.render("line", xy, *options) - - def pieslice(self, xy, start, end, *options): - self.render("pieslice", xy, start, end, *options) - - def polygon(self, xy, *options): - self.render("polygon", xy, *options) - - def rectangle(self, xy, *options): - self.render("rectangle", xy, *options) - - def symbol(self, xy, symbol, *options): - raise NotImplementedError("not in this version") - - def text(self, xy, text, font): - if self.transform: - xy = ImagePath.Path(xy) - xy.transform(self.transform) - self.draw.text(xy, text, font=font.font, fill=font.color) - - def textsize(self, text, font): - return self.draw.textsize(text, font=font.font) diff --git a/PIL/ImageFile.py b/PIL/ImageFile.py deleted file mode 100644 index 55cb701a11e..00000000000 --- a/PIL/ImageFile.py +++ /dev/null @@ -1,527 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# base class for image file handlers -# -# history: -# 1995-09-09 fl Created -# 1996-03-11 fl Fixed load mechanism. -# 1996-04-15 fl Added pcx/xbm decoders. -# 1996-04-30 fl Added encoders. -# 1996-12-14 fl Added load helpers -# 1997-01-11 fl Use encode_to_file where possible -# 1997-08-27 fl Flush output in _save -# 1998-03-05 fl Use memory mapping for some modes -# 1999-02-04 fl Use memory mapping also for "I;16" and "I;16B" -# 1999-05-31 fl Added image parser -# 2000-10-12 fl Set readonly flag on memory-mapped images -# 2002-03-20 fl Use better messages for common decoder errors -# 2003-04-21 fl Fall back on mmap/map_buffer if map is not available -# 2003-10-30 fl Added StubImageFile class -# 2004-02-25 fl Made incremental parser more robust -# -# Copyright (c) 1997-2004 by Secret Labs AB -# Copyright (c) 1995-2004 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image -from PIL._util import isPath -import io -import os -import sys -import struct - -MAXBLOCK = 65536 - -SAFEBLOCK = 1024*1024 - -LOAD_TRUNCATED_IMAGES = False - -ERRORS = { - -1: "image buffer overrun error", - -2: "decoding error", - -3: "unknown error", - -8: "bad configuration", - -9: "out of memory error" -} - - -def raise_ioerror(error): - try: - message = Image.core.getcodecstatus(error) - except AttributeError: - message = ERRORS.get(error) - if not message: - message = "decoder error %d" % error - raise IOError(message + " when reading image file") - - -# -# -------------------------------------------------------------------- -# Helpers - -def _tilesort(t): - # sort on offset - return t[2] - - -# -# -------------------------------------------------------------------- -# ImageFile base class - -class ImageFile(Image.Image): - "Base class for image file format handlers." - - def __init__(self, fp=None, filename=None): - Image.Image.__init__(self) - - self.tile = None - self.readonly = 1 # until we know better - - self.decoderconfig = () - self.decodermaxblock = MAXBLOCK - - if isPath(fp): - # filename - self.fp = open(fp, "rb") - self.filename = fp - else: - # stream - self.fp = fp - self.filename = filename - - try: - self._open() - except (IndexError, # end of data - TypeError, # end of data (ord) - KeyError, # unsupported mode - EOFError, # got header but not the first frame - struct.error) as v: - raise SyntaxError(v) - - if not self.mode or self.size[0] <= 0: - raise SyntaxError("not identified by this driver") - - def draft(self, mode, size): - "Set draft mode" - - pass - - def verify(self): - "Check file integrity" - - # raise exception if something's wrong. must be called - # directly after open, and closes file when finished. - self.fp = None - - def load(self): - "Load image data based on tile list" - - pixel = Image.Image.load(self) - - if self.tile is None: - raise IOError("cannot load this image") - if not self.tile: - return pixel - - self.map = None - use_mmap = self.filename and len(self.tile) == 1 - # As of pypy 2.1.0, memory mapping was failing here. - use_mmap = use_mmap and not hasattr(sys, 'pypy_version_info') - - readonly = 0 - - # look for read/seek overrides - try: - read = self.load_read - # don't use mmap if there are custom read/seek functions - use_mmap = False - except AttributeError: - read = self.fp.read - - try: - seek = self.load_seek - use_mmap = False - except AttributeError: - seek = self.fp.seek - - if use_mmap: - # try memory mapping - d, e, o, a = self.tile[0] - if d == "raw" and a[0] == self.mode and a[0] in Image._MAPMODES: - try: - if hasattr(Image.core, "map"): - # use built-in mapper WIN32 only - self.map = Image.core.map(self.filename) - self.map.seek(o) - self.im = self.map.readimage( - self.mode, self.size, a[1], a[2] - ) - else: - # use mmap, if possible - import mmap - fp = open(self.filename, "r") - size = os.path.getsize(self.filename) - self.map = mmap.mmap(fp.fileno(), size, access=mmap.ACCESS_READ) - self.im = Image.core.map_buffer( - self.map, self.size, d, e, o, a - ) - readonly = 1 - # After trashing self.im, we might need to reload the palette data. - if self.palette: - self.palette.dirty = 1 - except (AttributeError, EnvironmentError, ImportError): - self.map = None - - self.load_prepare() - - if not self.map: - # sort tiles in file order - self.tile.sort(key=_tilesort) - - try: - # FIXME: This is a hack to handle TIFF's JpegTables tag. - prefix = self.tile_prefix - except AttributeError: - prefix = b"" - - for decoder_name, extents, offset, args in self.tile: - decoder = Image._getdecoder(self.mode, decoder_name, - args, self.decoderconfig) - seek(offset) - try: - decoder.setimage(self.im, extents) - except ValueError: - continue - if decoder.pulls_fd: - decoder.setfd(self.fp) - status, err_code = decoder.decode(b"") - else: - b = prefix - while True: - try: - s = read(self.decodermaxblock) - except (IndexError, struct.error): # truncated png/gif - if LOAD_TRUNCATED_IMAGES: - break - else: - raise IOError("image file is truncated") - - if not s and not decoder.handles_eof: # truncated jpeg - self.tile = [] - - # JpegDecode needs to clean things up here either way - # If we don't destroy the decompressor, - # we have a memory leak. - decoder.cleanup() - - if LOAD_TRUNCATED_IMAGES: - break - else: - raise IOError("image file is truncated " - "(%d bytes not processed)" % len(b)) - - b = b + s - n, err_code = decoder.decode(b) - if n < 0: - break - b = b[n:] - - # Need to cleanup here to prevent leaks in PyPy - decoder.cleanup() - - self.tile = [] - self.readonly = readonly - - self.fp = None # might be shared - - if not self.map and not LOAD_TRUNCATED_IMAGES and err_code < 0: - # still raised if decoder fails to return anything - raise_ioerror(err_code) - - # post processing - if hasattr(self, "tile_post_rotate"): - # FIXME: This is a hack to handle rotated PCD's - self.im = self.im.rotate(self.tile_post_rotate) - self.size = self.im.size - - self.load_end() - - return Image.Image.load(self) - - def load_prepare(self): - # create image memory if necessary - if not self.im or\ - self.im.mode != self.mode or self.im.size != self.size: - self.im = Image.core.new(self.mode, self.size) - # create palette (optional) - if self.mode == "P": - Image.Image.load(self) - - def load_end(self): - # may be overridden - pass - - # may be defined for contained formats - # def load_seek(self, pos): - # pass - - # may be defined for blocked formats (e.g. PNG) - # def load_read(self, bytes): - # pass - - -class StubImageFile(ImageFile): - """ - Base class for stub image loaders. - - A stub loader is an image loader that can identify files of a - certain format, but relies on external code to load the file. - """ - - def _open(self): - raise NotImplementedError( - "StubImageFile subclass must implement _open" - ) - - def load(self): - loader = self._load() - if loader is None: - raise IOError("cannot find loader for this %s file" % self.format) - image = loader.load(self) - assert image is not None - # become the other object (!) - self.__class__ = image.__class__ - self.__dict__ = image.__dict__ - - def _load(self): - "(Hook) Find actual image loader." - raise NotImplementedError( - "StubImageFile subclass must implement _load" - ) - - -class Parser(object): - """ - Incremental image parser. This class implements the standard - feed/close consumer interface. - """ - incremental = None - image = None - data = None - decoder = None - offset = 0 - finished = 0 - - def reset(self): - """ - (Consumer) Reset the parser. Note that you can only call this - method immediately after you've created a parser; parser - instances cannot be reused. - """ - assert self.data is None, "cannot reuse parsers" - - def feed(self, data): - """ - (Consumer) Feed data to the parser. - - :param data: A string buffer. - :exception IOError: If the parser failed to parse the image file. - """ - # collect data - - if self.finished: - return - - if self.data is None: - self.data = data - else: - self.data = self.data + data - - # parse what we have - if self.decoder: - - if self.offset > 0: - # skip header - skip = min(len(self.data), self.offset) - self.data = self.data[skip:] - self.offset = self.offset - skip - if self.offset > 0 or not self.data: - return - - n, e = self.decoder.decode(self.data) - - if n < 0: - # end of stream - self.data = None - self.finished = 1 - if e < 0: - # decoding error - self.image = None - raise_ioerror(e) - else: - # end of image - return - self.data = self.data[n:] - - elif self.image: - - # if we end up here with no decoder, this file cannot - # be incrementally parsed. wait until we've gotten all - # available data - pass - - else: - - # attempt to open this file - try: - try: - fp = io.BytesIO(self.data) - im = Image.open(fp) - finally: - fp.close() # explicitly close the virtual file - except IOError: - # traceback.print_exc() - pass # not enough data - else: - flag = hasattr(im, "load_seek") or hasattr(im, "load_read") - if flag or len(im.tile) != 1: - # custom load code, or multiple tiles - self.decode = None - else: - # initialize decoder - im.load_prepare() - d, e, o, a = im.tile[0] - im.tile = [] - self.decoder = Image._getdecoder( - im.mode, d, a, im.decoderconfig - ) - self.decoder.setimage(im.im, e) - - # calculate decoder offset - self.offset = o - if self.offset <= len(self.data): - self.data = self.data[self.offset:] - self.offset = 0 - - self.image = im - - def close(self): - """ - (Consumer) Close the stream. - - :returns: An image object. - :exception IOError: If the parser failed to parse the image file either - because it cannot be identified or cannot be - decoded. - """ - # finish decoding - if self.decoder: - # get rid of what's left in the buffers - self.feed(b"") - self.data = self.decoder = None - if not self.finished: - raise IOError("image was incomplete") - if not self.image: - raise IOError("cannot parse this image") - if self.data: - # incremental parsing not possible; reopen the file - # not that we have all data - try: - fp = io.BytesIO(self.data) - self.image = Image.open(fp) - finally: - self.image.load() - fp.close() # explicitly close the virtual file - return self.image - - -# -------------------------------------------------------------------- - -def _save(im, fp, tile, bufsize=0): - """Helper to save image based on tile list - - :param im: Image object. - :param fp: File object. - :param tile: Tile list. - :param bufsize: Optional buffer size - """ - - im.load() - if not hasattr(im, "encoderconfig"): - im.encoderconfig = () - tile.sort(key=_tilesort) - # FIXME: make MAXBLOCK a configuration parameter - # It would be great if we could have the encoder specify what it needs - # But, it would need at least the image size in most cases. RawEncode is - # a tricky case. - bufsize = max(MAXBLOCK, bufsize, im.size[0] * 4) # see RawEncode.c - if fp == sys.stdout: - fp.flush() - return - try: - fh = fp.fileno() - fp.flush() - except (AttributeError, io.UnsupportedOperation): - # compress to Python file-compatible object - for e, b, o, a in tile: - e = Image._getencoder(im.mode, e, a, im.encoderconfig) - if o > 0: - fp.seek(o, 0) - e.setimage(im.im, b) - if e.pushes_fd: - e.setfd(fp) - l, s = e.encode_to_pyfd() - else: - while True: - l, s, d = e.encode(bufsize) - fp.write(d) - if s: - break - if s < 0: - raise IOError("encoder error %d when writing image file" % s) - e.cleanup() - else: - # slight speedup: compress to real file object - for e, b, o, a in tile: - e = Image._getencoder(im.mode, e, a, im.encoderconfig) - if o > 0: - fp.seek(o, 0) - e.setimage(im.im, b) - if e.pushes_fd: - e.setfd(fp) - l, s = e.encode_to_pyfd() - else: - s = e.encode_to_file(fh, bufsize) - if s < 0: - raise IOError("encoder error %d when writing image file" % s) - e.cleanup() - if hasattr(fp, "flush"): - fp.flush() - - -def _safe_read(fp, size): - """ - Reads large blocks in a safe way. Unlike fp.read(n), this function - doesn't trust the user. If the requested size is larger than - SAFEBLOCK, the file is read block by block. - - :param fp: File handle. Must implement a read method. - :param size: Number of bytes to read. - :returns: A string containing up to size bytes of data. - """ - if size <= 0: - return b"" - if size <= SAFEBLOCK: - return fp.read(size) - data = [] - while size > 0: - block = fp.read(min(size, SAFEBLOCK)) - if not block: - break - data.append(block) - size -= len(block) - return b"".join(data) diff --git a/PIL/ImageFilter.py b/PIL/ImageFilter.py deleted file mode 100644 index baa168aa751..00000000000 --- a/PIL/ImageFilter.py +++ /dev/null @@ -1,275 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# standard filters -# -# History: -# 1995-11-27 fl Created -# 2002-06-08 fl Added rank and mode filters -# 2003-09-15 fl Fixed rank calculation in rank filter; added expand call -# -# Copyright (c) 1997-2003 by Secret Labs AB. -# Copyright (c) 1995-2002 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - -import functools - - -class Filter(object): - pass - - -class Kernel(Filter): - """ - Create a convolution kernel. The current version only - supports 3x3 and 5x5 integer and floating point kernels. - - In the current version, kernels can only be applied to - "L" and "RGB" images. - - :param size: Kernel size, given as (width, height). In the current - version, this must be (3,3) or (5,5). - :param kernel: A sequence containing kernel weights. - :param scale: Scale factor. If given, the result for each pixel is - divided by this value. the default is the sum of the - kernel weights. - :param offset: Offset. If given, this value is added to the result, - after it has been divided by the scale factor. - """ - - def __init__(self, size, kernel, scale=None, offset=0): - if scale is None: - # default scale is sum of kernel - scale = functools.reduce(lambda a, b: a+b, kernel) - if size[0] * size[1] != len(kernel): - raise ValueError("not enough coefficients in kernel") - self.filterargs = size, scale, offset, kernel - - def filter(self, image): - if image.mode == "P": - raise ValueError("cannot filter palette images") - return image.filter(*self.filterargs) - - -class BuiltinFilter(Kernel): - def __init__(self): - pass - - -class RankFilter(Filter): - """ - Create a rank filter. The rank filter sorts all pixels in - a window of the given size, and returns the **rank**'th value. - - :param size: The kernel size, in pixels. - :param rank: What pixel value to pick. Use 0 for a min filter, - ``size * size / 2`` for a median filter, ``size * size - 1`` - for a max filter, etc. - """ - name = "Rank" - - def __init__(self, size, rank): - self.size = size - self.rank = rank - - def filter(self, image): - if image.mode == "P": - raise ValueError("cannot filter palette images") - image = image.expand(self.size//2, self.size//2) - return image.rankfilter(self.size, self.rank) - - -class MedianFilter(RankFilter): - """ - Create a median filter. Picks the median pixel value in a window with the - given size. - - :param size: The kernel size, in pixels. - """ - name = "Median" - - def __init__(self, size=3): - self.size = size - self.rank = size*size//2 - - -class MinFilter(RankFilter): - """ - Create a min filter. Picks the lowest pixel value in a window with the - given size. - - :param size: The kernel size, in pixels. - """ - name = "Min" - - def __init__(self, size=3): - self.size = size - self.rank = 0 - - -class MaxFilter(RankFilter): - """ - Create a max filter. Picks the largest pixel value in a window with the - given size. - - :param size: The kernel size, in pixels. - """ - name = "Max" - - def __init__(self, size=3): - self.size = size - self.rank = size*size-1 - - -class ModeFilter(Filter): - """ - - Create a mode filter. Picks the most frequent pixel value in a box with the - given size. Pixel values that occur only once or twice are ignored; if no - pixel value occurs more than twice, the original pixel value is preserved. - - :param size: The kernel size, in pixels. - """ - name = "Mode" - - def __init__(self, size=3): - self.size = size - - def filter(self, image): - return image.modefilter(self.size) - - -class GaussianBlur(Filter): - """Gaussian blur filter. - - :param radius: Blur radius. - """ - name = "GaussianBlur" - - def __init__(self, radius=2): - self.radius = radius - - def filter(self, image): - return image.gaussian_blur(self.radius) - - -class UnsharpMask(Filter): - """Unsharp mask filter. - - See Wikipedia's entry on `digital unsharp masking`_ for an explanation of - the parameters. - - :param radius: Blur Radius - :param percent: Unsharp strength, in percent - :param threshold: Threshold controls the minimum brightness change that - will be sharpened - - .. _digital unsharp masking: https://en.wikipedia.org/wiki/Unsharp_masking#Digital_unsharp_masking - - """ - name = "UnsharpMask" - - def __init__(self, radius=2, percent=150, threshold=3): - self.radius = radius - self.percent = percent - self.threshold = threshold - - def filter(self, image): - return image.unsharp_mask(self.radius, self.percent, self.threshold) - - -class BLUR(BuiltinFilter): - name = "Blur" - filterargs = (5, 5), 16, 0, ( - 1, 1, 1, 1, 1, - 1, 0, 0, 0, 1, - 1, 0, 0, 0, 1, - 1, 0, 0, 0, 1, - 1, 1, 1, 1, 1 - ) - - -class CONTOUR(BuiltinFilter): - name = "Contour" - filterargs = (3, 3), 1, 255, ( - -1, -1, -1, - -1, 8, -1, - -1, -1, -1 - ) - - -class DETAIL(BuiltinFilter): - name = "Detail" - filterargs = (3, 3), 6, 0, ( - 0, -1, 0, - -1, 10, -1, - 0, -1, 0 - ) - - -class EDGE_ENHANCE(BuiltinFilter): - name = "Edge-enhance" - filterargs = (3, 3), 2, 0, ( - -1, -1, -1, - -1, 10, -1, - -1, -1, -1 - ) - - -class EDGE_ENHANCE_MORE(BuiltinFilter): - name = "Edge-enhance More" - filterargs = (3, 3), 1, 0, ( - -1, -1, -1, - -1, 9, -1, - -1, -1, -1 - ) - - -class EMBOSS(BuiltinFilter): - name = "Emboss" - filterargs = (3, 3), 1, 128, ( - -1, 0, 0, - 0, 1, 0, - 0, 0, 0 - ) - - -class FIND_EDGES(BuiltinFilter): - name = "Find Edges" - filterargs = (3, 3), 1, 0, ( - -1, -1, -1, - -1, 8, -1, - -1, -1, -1 - ) - - -class SMOOTH(BuiltinFilter): - name = "Smooth" - filterargs = (3, 3), 13, 0, ( - 1, 1, 1, - 1, 5, 1, - 1, 1, 1 - ) - - -class SMOOTH_MORE(BuiltinFilter): - name = "Smooth More" - filterargs = (5, 5), 100, 0, ( - 1, 1, 1, 1, 1, - 1, 5, 5, 5, 1, - 1, 5, 44, 5, 1, - 1, 5, 5, 5, 1, - 1, 1, 1, 1, 1 - ) - - -class SHARPEN(BuiltinFilter): - name = "Sharpen" - filterargs = (3, 3), 16, 0, ( - -2, -2, -2, - -2, 32, -2, - -2, -2, -2 - ) diff --git a/PIL/ImageFont.py b/PIL/ImageFont.py deleted file mode 100644 index 6bd48dd6ea6..00000000000 --- a/PIL/ImageFont.py +++ /dev/null @@ -1,435 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# PIL raster font management -# -# History: -# 1996-08-07 fl created (experimental) -# 1997-08-25 fl minor adjustments to handle fonts from pilfont 0.3 -# 1999-02-06 fl rewrote most font management stuff in C -# 1999-03-17 fl take pth files into account in load_path (from Richard Jones) -# 2001-02-17 fl added freetype support -# 2001-05-09 fl added TransposedFont wrapper class -# 2002-03-04 fl make sure we have a "L" or "1" font -# 2002-12-04 fl skip non-directory entries in the system path -# 2003-04-29 fl add embedded default font -# 2003-09-27 fl added support for truetype charmap encodings -# -# Todo: -# Adapt to PILFONT2 format (16-bit fonts, compressed, single file) -# -# Copyright (c) 1997-2003 by Secret Labs AB -# Copyright (c) 1996-2003 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image -from PIL._util import isDirectory, isPath -import os -import sys - - -class _imagingft_not_installed(object): - # module placeholder - def __getattr__(self, id): - raise ImportError("The _imagingft C module is not installed") - -try: - from PIL import _imagingft as core -except ImportError: - core = _imagingft_not_installed() - -# FIXME: add support for pilfont2 format (see FontFile.py) - -# -------------------------------------------------------------------- -# Font metrics format: -# "PILfont" LF -# fontdescriptor LF -# (optional) key=value... LF -# "DATA" LF -# binary data: 256*10*2 bytes (dx, dy, dstbox, srcbox) -# -# To place a character, cut out srcbox and paste at dstbox, -# relative to the character position. Then move the character -# position according to dx, dy. -# -------------------------------------------------------------------- - - -class ImageFont(object): - "PIL font wrapper" - - def _load_pilfont(self, filename): - - fp = open(filename, "rb") - - for ext in (".png", ".gif", ".pbm"): - try: - fullname = os.path.splitext(filename)[0] + ext - image = Image.open(fullname) - except: - pass - else: - if image and image.mode in ("1", "L"): - break - else: - raise IOError("cannot find glyph data file") - - self.file = fullname - - return self._load_pilfont_data(fp, image) - - def _load_pilfont_data(self, file, image): - - # read PILfont header - if file.readline() != b"PILfont\n": - raise SyntaxError("Not a PILfont file") - file.readline().split(b";") - self.info = [] # FIXME: should be a dictionary - while True: - s = file.readline() - if not s or s == b"DATA\n": - break - self.info.append(s) - - # read PILfont metrics - data = file.read(256*20) - - # check image - if image.mode not in ("1", "L"): - raise TypeError("invalid font image mode") - - image.load() - - self.font = Image.core.font(image.im, data) - - # delegate critical operations to internal type - self.getsize = self.font.getsize - self.getmask = self.font.getmask - - -## -# Wrapper for FreeType fonts. Application code should use the -# truetype factory function to create font objects. - -class FreeTypeFont(object): - "FreeType font wrapper (requires _imagingft service)" - - def __init__(self, font=None, size=10, index=0, encoding=""): - # FIXME: use service provider instead - - self.path = font - self.size = size - self.index = index - self.encoding = encoding - - if isPath(font): - self.font = core.getfont(font, size, index, encoding) - else: - self.font_bytes = font.read() - self.font = core.getfont( - "", size, index, encoding, self.font_bytes) - - def getname(self): - return self.font.family, self.font.style - - def getmetrics(self): - return self.font.ascent, self.font.descent - - def getsize(self, text): - size, offset = self.font.getsize(text) - return (size[0] + offset[0], size[1] + offset[1]) - - def getoffset(self, text): - return self.font.getsize(text)[1] - - def getmask(self, text, mode=""): - return self.getmask2(text, mode)[0] - - def getmask2(self, text, mode="", fill=Image.core.fill): - size, offset = self.font.getsize(text) - im = fill("L", size, 0) - self.font.render(text, im.id, mode == "1") - return im, offset - - def font_variant(self, font=None, size=None, index=None, encoding=None): - """ - Create a copy of this FreeTypeFont object, - using any specified arguments to override the settings. - - Parameters are identical to the parameters used to initialize this - object. - - :return: A FreeTypeFont object. - """ - return FreeTypeFont(font=self.path if font is None else font, - size=self.size if size is None else size, - index=self.index if index is None else index, - encoding=self.encoding if encoding is None else - encoding) - - -class TransposedFont(object): - "Wrapper for writing rotated or mirrored text" - - def __init__(self, font, orientation=None): - """ - Wrapper that creates a transposed font from any existing font - object. - - :param font: A font object. - :param orientation: An optional orientation. If given, this should - be one of Image.FLIP_LEFT_RIGHT, Image.FLIP_TOP_BOTTOM, - Image.ROTATE_90, Image.ROTATE_180, or Image.ROTATE_270. - """ - self.font = font - self.orientation = orientation # any 'transpose' argument, or None - - def getsize(self, text): - w, h = self.font.getsize(text) - if self.orientation in (Image.ROTATE_90, Image.ROTATE_270): - return h, w - return w, h - - def getmask(self, text, mode=""): - im = self.font.getmask(text, mode) - if self.orientation is not None: - return im.transpose(self.orientation) - return im - - -def load(filename): - """ - Load a font file. This function loads a font object from the given - bitmap font file, and returns the corresponding font object. - - :param filename: Name of font file. - :return: A font object. - :exception IOError: If the file could not be read. - """ - f = ImageFont() - f._load_pilfont(filename) - return f - - -def truetype(font=None, size=10, index=0, encoding=""): - """ - Load a TrueType or OpenType font file, and create a font object. - This function loads a font object from the given file, and creates - a font object for a font of the given size. - - This function requires the _imagingft service. - - :param font: A truetype font file. Under Windows, if the file - is not found in this filename, the loader also looks in - Windows :file:`fonts/` directory. - :param size: The requested size, in points. - :param index: Which font face to load (default is first available face). - :param encoding: Which font encoding to use (default is Unicode). Common - encodings are "unic" (Unicode), "symb" (Microsoft - Symbol), "ADOB" (Adobe Standard), "ADBE" (Adobe Expert), - and "armn" (Apple Roman). See the FreeType documentation - for more information. - :return: A font object. - :exception IOError: If the file could not be read. - """ - - try: - return FreeTypeFont(font, size, index, encoding) - except IOError: - ttf_filename = os.path.basename(font) - - dirs = [] - if sys.platform == "win32": - # check the windows font repository - # NOTE: must use uppercase WINDIR, to work around bugs in - # 1.5.2's os.environ.get() - windir = os.environ.get("WINDIR") - if windir: - dirs.append(os.path.join(windir, "fonts")) - elif sys.platform in ('linux', 'linux2'): - lindirs = os.environ.get("XDG_DATA_DIRS", "") - if not lindirs: - # According to the freedesktop spec, XDG_DATA_DIRS should - # default to /usr/share - lindirs = '/usr/share' - dirs += [os.path.join(lindir, "fonts") - for lindir in lindirs.split(":")] - elif sys.platform == 'darwin': - dirs += ['/Library/Fonts', '/System/Library/Fonts', - os.path.expanduser('~/Library/Fonts')] - - ext = os.path.splitext(ttf_filename)[1] - first_font_with_a_different_extension = None - for directory in dirs: - for walkroot, walkdir, walkfilenames in os.walk(directory): - for walkfilename in walkfilenames: - if ext and walkfilename == ttf_filename: - fontpath = os.path.join(walkroot, walkfilename) - return FreeTypeFont(fontpath, size, index, encoding) - elif not ext and os.path.splitext(walkfilename)[0] == ttf_filename: - fontpath = os.path.join(walkroot, walkfilename) - if os.path.splitext(fontpath)[1] == '.ttf': - return FreeTypeFont(fontpath, size, index, encoding) - if not ext and first_font_with_a_different_extension is None: - first_font_with_a_different_extension = fontpath - if first_font_with_a_different_extension: - return FreeTypeFont(first_font_with_a_different_extension, size, - index, encoding) - raise - - -def load_path(filename): - """ - Load font file. Same as :py:func:`~PIL.ImageFont.load`, but searches for a - bitmap font along the Python path. - - :param filename: Name of font file. - :return: A font object. - :exception IOError: If the file could not be read. - """ - for directory in sys.path: - if isDirectory(directory): - if not isinstance(filename, str): - if bytes is str: - filename = filename.encode("utf-8") - else: - filename = filename.decode("utf-8") - try: - return load(os.path.join(directory, filename)) - except IOError: - pass - raise IOError("cannot find font file") - - -def load_default(): - """Load a "better than nothing" default font. - - .. versionadded:: 1.1.4 - - :return: A font object. - """ - from io import BytesIO - import base64 - f = ImageFont() - f._load_pilfont_data( - # courB08 - BytesIO(base64.b64decode(b''' -UElMZm9udAo7Ozs7OzsxMDsKREFUQQoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA -AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA 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"win32": - grabber = Image.core.grabscreen -elif sys.platform == "darwin": - import os - import tempfile - import subprocess - - -def grab(bbox=None): - if sys.platform == "darwin": - fh, filepath = tempfile.mkstemp('.png') - os.close(fh) - subprocess.call(['screencapture', '-x', filepath]) - im = Image.open(filepath) - im.load() - os.unlink(filepath) - else: - size, data = grabber() - im = Image.frombytes( - "RGB", size, data, - # RGB, 32-bit line padding, origo in lower left corner - "raw", "BGR", (size[0]*3 + 3) & -4, -1 - ) - if bbox: - im = im.crop(bbox) - return im - - -def grabclipboard(): - if sys.platform == "darwin": - fh, filepath = tempfile.mkstemp('.jpg') - os.close(fh) - commands = [ - "set theFile to (open for access POSIX file \""+filepath+"\" with write permission)", - "try", - "write (the clipboard as JPEG picture) to theFile", - "end try", - "close access theFile" - ] - script = ["osascript"] - for command in commands: - script += ["-e", command] - subprocess.call(script) - - im = None - if os.stat(filepath).st_size != 0: - im = Image.open(filepath) - im.load() - os.unlink(filepath) - return im - else: - debug = 0 # temporary interface - data = Image.core.grabclipboard(debug) - if isinstance(data, bytes): - from PIL import BmpImagePlugin - import io - return BmpImagePlugin.DibImageFile(io.BytesIO(data)) - return data diff --git a/PIL/ImageMode.py b/PIL/ImageMode.py deleted file mode 100644 index f78a8df9089..00000000000 --- a/PIL/ImageMode.py +++ /dev/null @@ -1,50 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# standard mode descriptors -# -# History: -# 2006-03-20 fl Added -# -# Copyright (c) 2006 by Secret Labs AB. -# Copyright (c) 2006 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - -# mode descriptor cache -_modes = {} - - -class ModeDescriptor(object): - """Wrapper for mode strings.""" - - def __init__(self, mode, bands, basemode, basetype): - self.mode = mode - self.bands = bands - self.basemode = basemode - self.basetype = basetype - - def __str__(self): - return self.mode - - -def getmode(mode): - """Gets a mode descriptor for the given mode.""" - if not _modes: - # initialize mode cache - from PIL import Image - # core modes - for m, (basemode, basetype, bands) in Image._MODEINFO.items(): - _modes[m] = ModeDescriptor(m, bands, basemode, basetype) - # extra experimental modes - _modes["RGBa"] = ModeDescriptor("RGBa", ("R", "G", "B", "a"), "RGB", "L") - _modes["LA"] = ModeDescriptor("LA", ("L", "A"), "L", "L") - _modes["La"] = ModeDescriptor("La", ("L", "a"), "L", "L") - _modes["PA"] = ModeDescriptor("PA", ("P", "A"), "RGB", "L") - # mapping modes - _modes["I;16"] = ModeDescriptor("I;16", "I", "L", "L") - _modes["I;16L"] = ModeDescriptor("I;16L", "I", "L", "L") - _modes["I;16B"] = ModeDescriptor("I;16B", "I", "L", "L") - return _modes[mode] diff --git a/PIL/ImageMorph.py b/PIL/ImageMorph.py deleted file mode 100644 index 4847594f636..00000000000 --- a/PIL/ImageMorph.py +++ /dev/null @@ -1,249 +0,0 @@ -# A binary morphology add-on for the Python Imaging Library -# -# History: -# 2014-06-04 Initial version. -# -# Copyright (c) 2014 Dov Grobgeld - -from PIL import Image -from PIL import _imagingmorph -import re - -LUT_SIZE = 1 << 9 - - -class LutBuilder(object): - """A class for building a MorphLut from a descriptive language - - The input patterns is a list of a strings sequences like these:: - - 4:(... - .1. - 111)->1 - - (whitespaces including linebreaks are ignored). The option 4 - describes a series of symmetry operations (in this case a - 4-rotation), the pattern is described by: - - - . or X - Ignore - - 1 - Pixel is on - - 0 - Pixel is off - - The result of the operation is described after "->" string. - - The default is to return the current pixel value, which is - returned if no other match is found. - - Operations: - - - 4 - 4 way rotation - - N - Negate - - 1 - Dummy op for no other operation (an op must always be given) - - M - Mirroring - - Example:: - - lb = LutBuilder(patterns = ["4:(... .1. 111)->1"]) - lut = lb.build_lut() - - """ - def __init__(self, patterns=None, op_name=None): - if patterns is not None: - self.patterns = patterns - else: - self.patterns = [] - self.lut = None - if op_name is not None: - known_patterns = { - 'corner': ['1:(... ... ...)->0', - '4:(00. 01. ...)->1'], - 'dilation4': ['4:(... .0. .1.)->1'], - 'dilation8': ['4:(... .0. .1.)->1', - '4:(... .0. ..1)->1'], - 'erosion4': ['4:(... .1. .0.)->0'], - 'erosion8': ['4:(... .1. .0.)->0', - '4:(... .1. ..0)->0'], - 'edge': ['1:(... ... ...)->0', - '4:(.0. .1. ...)->1', - '4:(01. .1. ...)->1'] - } - if op_name not in known_patterns: - raise Exception('Unknown pattern '+op_name+'!') - - self.patterns = known_patterns[op_name] - - def add_patterns(self, patterns): - self.patterns += patterns - - def build_default_lut(self): - symbols = [0, 1] - m = 1 << 4 # pos of current pixel - self.lut = bytearray([symbols[(i & m) > 0] for i in range(LUT_SIZE)]) - - def get_lut(self): - return self.lut - - def _string_permute(self, pattern, permutation): - """string_permute takes a pattern and a permutation and returns the - string permuted according to the permutation list. - """ - assert(len(permutation) == 9) - return ''.join([pattern[p] for p in permutation]) - - def _pattern_permute(self, basic_pattern, options, basic_result): - """pattern_permute takes a basic pattern and its result and clones - the pattern according to the modifications described in the $options - parameter. It returns a list of all cloned patterns.""" - patterns = [(basic_pattern, basic_result)] - - # rotations - if '4' in options: - res = patterns[-1][1] - for i in range(4): - patterns.append( - (self._string_permute(patterns[-1][0], [6, 3, 0, - 7, 4, 1, - 8, 5, 2]), res)) - # mirror - if 'M' in options: - n = len(patterns) - for pattern, res in patterns[0:n]: - patterns.append( - (self._string_permute(pattern, [2, 1, 0, - 5, 4, 3, - 8, 7, 6]), res)) - - # negate - if 'N' in options: - n = len(patterns) - for pattern, res in patterns[0:n]: - # Swap 0 and 1 - pattern = (pattern - .replace('0', 'Z') - .replace('1', '0') - .replace('Z', '1')) - res = '%d' % (1-int(res)) - patterns.append((pattern, res)) - - return patterns - - def build_lut(self): - """Compile all patterns into a morphology lut. - - TBD :Build based on (file) morphlut:modify_lut - """ - self.build_default_lut() - patterns = [] - - # Parse and create symmetries of the patterns strings - for p in self.patterns: - m = re.search( - r'(\w*):?\s*\((.+?)\)\s*->\s*(\d)', p.replace('\n', '')) - if not m: - raise Exception('Syntax error in pattern "'+p+'"') - options = m.group(1) - pattern = m.group(2) - result = int(m.group(3)) - - # Get rid of spaces - pattern = pattern.replace(' ', '').replace('\n', '') - - patterns += self._pattern_permute(pattern, options, result) - -# # Debugging -# for p,r in patterns: -# print p,r -# print '--' - - # compile the patterns into regular expressions for speed - for i in range(len(patterns)): - p = patterns[i][0].replace('.', 'X').replace('X', '[01]') - p = re.compile(p) - patterns[i] = (p, patterns[i][1]) - - # Step through table and find patterns that match. - # Note that all the patterns are searched. The last one - # caught overrides - for i in range(LUT_SIZE): - # Build the bit pattern - bitpattern = bin(i)[2:] - bitpattern = ('0'*(9-len(bitpattern)) + bitpattern)[::-1] - - for p, r in patterns: - if p.match(bitpattern): - self.lut[i] = [0, 1][r] - - return self.lut - - -class MorphOp(object): - """A class for binary morphological operators""" - - def __init__(self, - lut=None, - op_name=None, - patterns=None): - """Create a binary morphological operator""" - self.lut = lut - if op_name is not None: - self.lut = LutBuilder(op_name=op_name).build_lut() - elif patterns is not None: - self.lut = LutBuilder(patterns=patterns).build_lut() - - def apply(self, image): - """Run a single morphological operation on an image - - Returns a tuple of the number of changed pixels and the - morphed image""" - if self.lut is None: - raise Exception('No operator loaded') - - if image.mode != 'L': - raise Exception('Image must be binary, meaning it must use mode L') - outimage = Image.new(image.mode, image.size, None) - count = _imagingmorph.apply( - bytes(self.lut), image.im.id, outimage.im.id) - return count, outimage - - def match(self, image): - """Get a list of coordinates matching the morphological operation on - an image. - - Returns a list of tuples of (x,y) coordinates - of all matching pixels.""" - if self.lut is None: - raise Exception('No operator loaded') - - if image.mode != 'L': - raise Exception('Image must be binary, meaning it must use mode L') - return _imagingmorph.match(bytes(self.lut), image.im.id) - - def get_on_pixels(self, image): - """Get a list of all turned on pixels in a binary image - - Returns a list of tuples of (x,y) coordinates - of all matching pixels.""" - - if image.mode != 'L': - raise Exception('Image must be binary, meaning it must use mode L') - return _imagingmorph.get_on_pixels(image.im.id) - - def load_lut(self, filename): - """Load an operator from an mrl file""" - with open(filename, 'rb') as f: - self.lut = bytearray(f.read()) - - if len(self.lut) != 8192: - self.lut = None - raise Exception('Wrong size operator file!') - - def save_lut(self, filename): - """Save an operator to an mrl file""" - if self.lut is None: - raise Exception('No operator loaded') - with open(filename, 'wb') as f: - f.write(self.lut) - - def set_lut(self, lut): - """Set the lut from an external source""" - self.lut = lut diff --git a/PIL/ImageOps.py b/PIL/ImageOps.py deleted file mode 100644 index 8580ec5fba4..00000000000 --- a/PIL/ImageOps.py +++ /dev/null @@ -1,482 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# standard image operations -# -# History: -# 2001-10-20 fl Created -# 2001-10-23 fl Added autocontrast operator -# 2001-12-18 fl Added Kevin's fit operator -# 2004-03-14 fl Fixed potential division by zero in equalize -# 2005-05-05 fl Fixed equalize for low number of values -# -# Copyright (c) 2001-2004 by Secret Labs AB -# Copyright (c) 2001-2004 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image -from PIL._util import isStringType -import operator -import functools - - -# -# helpers - -def _border(border): - if isinstance(border, tuple): - if len(border) == 2: - left, top = right, bottom = border - elif len(border) == 4: - left, top, right, bottom = border - else: - left = top = right = bottom = border - return left, top, right, bottom - - -def _color(color, mode): - if isStringType(color): - from PIL import ImageColor - color = ImageColor.getcolor(color, mode) - return color - - -def _lut(image, lut): - if image.mode == "P": - # FIXME: apply to lookup table, not image data - raise NotImplementedError("mode P support coming soon") - elif image.mode in ("L", "RGB"): - if image.mode == "RGB" and len(lut) == 256: - lut = lut + lut + lut - return image.point(lut) - else: - raise IOError("not supported for this image mode") - -# -# actions - - -def autocontrast(image, cutoff=0, ignore=None): - """ - Maximize (normalize) image contrast. This function calculates a - histogram of the input image, removes **cutoff** percent of the - lightest and darkest pixels from the histogram, and remaps the image - so that the darkest pixel becomes black (0), and the lightest - becomes white (255). - - :param image: The image to process. - :param cutoff: How many percent to cut off from the histogram. - :param ignore: The background pixel value (use None for no background). - :return: An image. - """ - histogram = image.histogram() - lut = [] - for layer in range(0, len(histogram), 256): - h = histogram[layer:layer+256] - if ignore is not None: - # get rid of outliers - try: - h[ignore] = 0 - except TypeError: - # assume sequence - for ix in ignore: - h[ix] = 0 - if cutoff: - # cut off pixels from both ends of the histogram - # get number of pixels - n = 0 - for ix in range(256): - n = n + h[ix] - # remove cutoff% pixels from the low end - cut = n * cutoff // 100 - for lo in range(256): - if cut > h[lo]: - cut = cut - h[lo] - h[lo] = 0 - else: - h[lo] -= cut - cut = 0 - if cut <= 0: - break - # remove cutoff% samples from the hi end - cut = n * cutoff // 100 - for hi in range(255, -1, -1): - if cut > h[hi]: - cut = cut - h[hi] - h[hi] = 0 - else: - h[hi] -= cut - cut = 0 - if cut <= 0: - break - # find lowest/highest samples after preprocessing - for lo in range(256): - if h[lo]: - break - for hi in range(255, -1, -1): - if h[hi]: - break - if hi <= lo: - # don't bother - lut.extend(list(range(256))) - else: - scale = 255.0 / (hi - lo) - offset = -lo * scale - for ix in range(256): - ix = int(ix * scale + offset) - if ix < 0: - ix = 0 - elif ix > 255: - ix = 255 - lut.append(ix) - return _lut(image, lut) - - -def colorize(image, black, white): - """ - Colorize grayscale image. The **black** and **white** - arguments should be RGB tuples; this function calculates a color - wedge mapping all black pixels in the source image to the first - color, and all white pixels to the second color. - - :param image: The image to colorize. - :param black: The color to use for black input pixels. - :param white: The color to use for white input pixels. - :return: An image. - """ - assert image.mode == "L" - black = _color(black, "RGB") - white = _color(white, "RGB") - red = [] - green = [] - blue = [] - for i in range(256): - red.append(black[0]+i*(white[0]-black[0])//255) - green.append(black[1]+i*(white[1]-black[1])//255) - blue.append(black[2]+i*(white[2]-black[2])//255) - image = image.convert("RGB") - return _lut(image, red + green + blue) - - -def crop(image, border=0): - """ - Remove border from image. The same amount of pixels are removed - from all four sides. This function works on all image modes. - - .. seealso:: :py:meth:`~PIL.Image.Image.crop` - - :param image: The image to crop. - :param border: The number of pixels to remove. - :return: An image. - """ - left, top, right, bottom = _border(border) - return image.crop( - (left, top, image.size[0]-right, image.size[1]-bottom) - ) - - -def scale(image, factor, resample=Image.NEAREST): - """ - Returns a rescaled image by a specific factor given in parameter. - A factor greater than 1 expands the image, between 0 and 1 contracts the - image. - - :param factor: The expansion factor, as a float. - :param resample: An optional resampling filter. Same values possible as - in the PIL.Image.resize function. - :returns: An :py:class:`~PIL.Image.Image` object. - """ - if factor == 1: - return image.copy() - elif factor <= 0: - raise ValueError("the factor must be greater than 0") - else: - size = (int(round(factor * image.width)), - int(round(factor * image.height))) - return image.resize(size, resample) - - -def deform(image, deformer, resample=Image.BILINEAR): - """ - Deform the image. - - :param image: The image to deform. - :param deformer: A deformer object. Any object that implements a - **getmesh** method can be used. - :param resample: What resampling filter to use. - :return: An image. - """ - return image.transform( - image.size, Image.MESH, deformer.getmesh(image), resample - ) - - -def equalize(image, mask=None): - """ - Equalize the image histogram. This function applies a non-linear - mapping to the input image, in order to create a uniform - distribution of grayscale values in the output image. - - :param image: The image to equalize. - :param mask: An optional mask. If given, only the pixels selected by - the mask are included in the analysis. - :return: An image. - """ - if image.mode == "P": - image = image.convert("RGB") - h = image.histogram(mask) - lut = [] - for b in range(0, len(h), 256): - histo = [_f for _f in h[b:b+256] if _f] - if len(histo) <= 1: - lut.extend(list(range(256))) - else: - step = (functools.reduce(operator.add, histo) - histo[-1]) // 255 - if not step: - lut.extend(list(range(256))) - else: - n = step // 2 - for i in range(256): - lut.append(n // step) - n = n + h[i+b] - return _lut(image, lut) - - -def expand(image, border=0, fill=0): - """ - Add border to the image - - :param image: The image to expand. - :param border: Border width, in pixels. - :param fill: Pixel fill value (a color value). Default is 0 (black). - :return: An image. - """ - left, top, right, bottom = _border(border) - width = left + image.size[0] + right - height = top + image.size[1] + bottom - out = Image.new(image.mode, (width, height), _color(fill, image.mode)) - out.paste(image, (left, top)) - return out - - -def fit(image, size, method=Image.NEAREST, bleed=0.0, centering=(0.5, 0.5)): - """ - Returns a sized and cropped version of the image, cropped to the - requested aspect ratio and size. - - This function was contributed by Kevin Cazabon. - - :param size: The requested output size in pixels, given as a - (width, height) tuple. - :param method: What resampling method to use. Default is - :py:attr:`PIL.Image.NEAREST`. - :param bleed: Remove a border around the outside of the image (from all - four edges. The value is a decimal percentage (use 0.01 for - one percent). The default value is 0 (no border). - :param centering: Control the cropping position. Use (0.5, 0.5) for - center cropping (e.g. if cropping the width, take 50% off - of the left side, and therefore 50% off the right side). - (0.0, 0.0) will crop from the top left corner (i.e. if - cropping the width, take all of the crop off of the right - side, and if cropping the height, take all of it off the - bottom). (1.0, 0.0) will crop from the bottom left - corner, etc. (i.e. if cropping the width, take all of the - crop off the left side, and if cropping the height take - none from the top, and therefore all off the bottom). - :return: An image. - """ - - # by Kevin Cazabon, Feb 17/2000 - # kevin@cazabon.com - # http://www.cazabon.com - - # ensure inputs are valid - if not isinstance(centering, list): - centering = [centering[0], centering[1]] - - if centering[0] > 1.0 or centering[0] < 0.0: - centering[0] = 0.50 - if centering[1] > 1.0 or centering[1] < 0.0: - centering[1] = 0.50 - - if bleed > 0.49999 or bleed < 0.0: - bleed = 0.0 - - # calculate the area to use for resizing and cropping, subtracting - # the 'bleed' around the edges - - # number of pixels to trim off on Top and Bottom, Left and Right - bleedPixels = ( - int((float(bleed) * float(image.size[0])) + 0.5), - int((float(bleed) * float(image.size[1])) + 0.5) - ) - - liveArea = (0, 0, image.size[0], image.size[1]) - if bleed > 0.0: - liveArea = ( - bleedPixels[0], bleedPixels[1], image.size[0] - bleedPixels[0] - 1, - image.size[1] - bleedPixels[1] - 1 - ) - - liveSize = (liveArea[2] - liveArea[0], liveArea[3] - liveArea[1]) - - # calculate the aspect ratio of the liveArea - liveAreaAspectRatio = float(liveSize[0])/float(liveSize[1]) - - # calculate the aspect ratio of the output image - aspectRatio = float(size[0]) / float(size[1]) - - # figure out if the sides or top/bottom will be cropped off - if liveAreaAspectRatio >= aspectRatio: - # liveArea is wider than what's needed, crop the sides - cropWidth = int((aspectRatio * float(liveSize[1])) + 0.5) - cropHeight = liveSize[1] - else: - # liveArea is taller than what's needed, crop the top and bottom - cropWidth = liveSize[0] - cropHeight = int((float(liveSize[0])/aspectRatio) + 0.5) - - # make the crop - leftSide = int(liveArea[0] + (float(liveSize[0]-cropWidth) * centering[0])) - if leftSide < 0: - leftSide = 0 - topSide = int(liveArea[1] + (float(liveSize[1]-cropHeight) * centering[1])) - if topSide < 0: - topSide = 0 - - out = image.crop( - (leftSide, topSide, leftSide + cropWidth, topSide + cropHeight) - ) - - # resize the image and return it - return out.resize(size, method) - - -def flip(image): - """ - Flip the image vertically (top to bottom). - - :param image: The image to flip. - :return: An image. - """ - return image.transpose(Image.FLIP_TOP_BOTTOM) - - -def grayscale(image): - """ - Convert the image to grayscale. - - :param image: The image to convert. - :return: An image. - """ - return image.convert("L") - - -def invert(image): - """ - Invert (negate) the image. - - :param image: The image to invert. - :return: An image. - """ - lut = [] - for i in range(256): - lut.append(255-i) - return _lut(image, lut) - - -def mirror(image): - """ - Flip image horizontally (left to right). - - :param image: The image to mirror. - :return: An image. - """ - return image.transpose(Image.FLIP_LEFT_RIGHT) - - -def posterize(image, bits): - """ - Reduce the number of bits for each color channel. - - :param image: The image to posterize. - :param bits: The number of bits to keep for each channel (1-8). - :return: An image. - """ - lut = [] - mask = ~(2**(8-bits)-1) - for i in range(256): - lut.append(i & mask) - return _lut(image, lut) - - -def solarize(image, threshold=128): - """ - Invert all pixel values above a threshold. - - :param image: The image to solarize. - :param threshold: All pixels above this greyscale level are inverted. - :return: An image. - """ - lut = [] - for i in range(256): - if i < threshold: - lut.append(i) - else: - lut.append(255-i) - return _lut(image, lut) - - -# -------------------------------------------------------------------- -# PIL USM components, from Kevin Cazabon. - -def gaussian_blur(im, radius=None): - """ PIL_usm.gblur(im, [radius])""" - - if radius is None: - radius = 5.0 - - im.load() - - return im.im.gaussian_blur(radius) - -gblur = gaussian_blur - - -def unsharp_mask(im, radius=None, percent=None, threshold=None): - """ PIL_usm.usm(im, [radius, percent, threshold])""" - - if radius is None: - radius = 5.0 - if percent is None: - percent = 150 - if threshold is None: - threshold = 3 - - im.load() - - return im.im.unsharp_mask(radius, percent, threshold) - -usm = unsharp_mask - - -def box_blur(image, radius): - """ - Blur the image by setting each pixel to the average value of the pixels - in a square box extending radius pixels in each direction. - Supports float radius of arbitrary size. Uses an optimized implementation - which runs in linear time relative to the size of the image - for any radius value. - - :param image: The image to blur. - :param radius: Size of the box in one direction. Radius 0 does not blur, - returns an identical image. Radius 1 takes 1 pixel - in each direction, i.e. 9 pixels in total. - :return: An image. - """ - image.load() - - return image._new(image.im.box_blur(radius)) diff --git a/PIL/ImagePalette.py b/PIL/ImagePalette.py deleted file mode 100644 index 3b60068bcdd..00000000000 --- a/PIL/ImagePalette.py +++ /dev/null @@ -1,219 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# image palette object -# -# History: -# 1996-03-11 fl Rewritten. -# 1997-01-03 fl Up and running. -# 1997-08-23 fl Added load hack -# 2001-04-16 fl Fixed randint shadow bug in random() -# -# Copyright (c) 1997-2001 by Secret Labs AB -# Copyright (c) 1996-1997 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -import array -from PIL import ImageColor -from PIL import GimpPaletteFile -from PIL import GimpGradientFile -from PIL import PaletteFile - - -class ImagePalette(object): - """ - Color palette for palette mapped images - - :param mode: The mode to use for the Palette. See: - :ref:`concept-modes`. Defaults to "RGB" - :param palette: An optional palette. If given, it must be a bytearray, - an array or a list of ints between 0-255 and of length ``size`` - times the number of colors in ``mode``. The list must be aligned - by channel (All R values must be contiguous in the list before G - and B values.) Defaults to 0 through 255 per channel. - :param size: An optional palette size. If given, it cannot be equal to - or greater than 256. Defaults to 0. - """ - - def __init__(self, mode="RGB", palette=None, size=0): - self.mode = mode - self.rawmode = None # if set, palette contains raw data - self.palette = palette or bytearray(range(256))*len(self.mode) - self.colors = {} - self.dirty = None - if ((size == 0 and len(self.mode)*256 != len(self.palette)) or - (size != 0 and size != len(self.palette))): - raise ValueError("wrong palette size") - - def copy(self): - new = ImagePalette() - - new.mode = self.mode - new.rawmode = self.rawmode - if self.palette is not None: - new.palette = self.palette[:] - new.colors = self.colors.copy() - new.dirty = self.dirty - - return new - - def getdata(self): - """ - Get palette contents in format suitable # for the low-level - ``im.putpalette`` primitive. - - .. warning:: This method is experimental. - """ - if self.rawmode: - return self.rawmode, self.palette - return self.mode + ";L", self.tobytes() - - def tobytes(self): - """Convert palette to bytes. - - .. warning:: This method is experimental. - """ - if self.rawmode: - raise ValueError("palette contains raw palette data") - if isinstance(self.palette, bytes): - return self.palette - arr = array.array("B", self.palette) - if hasattr(arr, 'tobytes'): - return arr.tobytes() - return arr.tostring() - - # Declare tostring as an alias for tobytes - tostring = tobytes - - def getcolor(self, color): - """Given an rgb tuple, allocate palette entry. - - .. warning:: This method is experimental. - """ - if self.rawmode: - raise ValueError("palette contains raw palette data") - if isinstance(color, tuple): - try: - return self.colors[color] - except KeyError: - # allocate new color slot - if isinstance(self.palette, bytes): - self.palette = bytearray(self.palette) - index = len(self.colors) - if index >= 256: - raise ValueError("cannot allocate more than 256 colors") - self.colors[color] = index - self.palette[index] = color[0] - self.palette[index+256] = color[1] - self.palette[index+512] = color[2] - self.dirty = 1 - return index - else: - raise ValueError("unknown color specifier: %r" % color) - - def save(self, fp): - """Save palette to text file. - - .. warning:: This method is experimental. - """ - if self.rawmode: - raise ValueError("palette contains raw palette data") - if isinstance(fp, str): - fp = open(fp, "w") - fp.write("# Palette\n") - fp.write("# Mode: %s\n" % self.mode) - for i in range(256): - fp.write("%d" % i) - for j in range(i*len(self.mode), (i+1)*len(self.mode)): - try: - fp.write(" %d" % self.palette[j]) - except IndexError: - fp.write(" 0") - fp.write("\n") - fp.close() - - -# -------------------------------------------------------------------- -# Internal - -def raw(rawmode, data): - palette = ImagePalette() - palette.rawmode = rawmode - palette.palette = data - palette.dirty = 1 - return palette - - -# -------------------------------------------------------------------- -# Factories - -def make_linear_lut(black, white): - lut = [] - if black == 0: - for i in range(256): - lut.append(white*i//255) - else: - raise NotImplementedError # FIXME - return lut - - -def make_gamma_lut(exp): - lut = [] - for i in range(256): - lut.append(int(((i / 255.0) ** exp) * 255.0 + 0.5)) - return lut - - -def negative(mode="RGB"): - palette = list(range(256)) - palette.reverse() - return ImagePalette(mode, palette * len(mode)) - - -def random(mode="RGB"): - from random import randint - palette = [] - for i in range(256*len(mode)): - palette.append(randint(0, 255)) - return ImagePalette(mode, palette) - - -def sepia(white="#fff0c0"): - r, g, b = ImageColor.getrgb(white) - r = make_linear_lut(0, r) - g = make_linear_lut(0, g) - b = make_linear_lut(0, b) - return ImagePalette("RGB", r + g + b) - - -def wedge(mode="RGB"): - return ImagePalette(mode, list(range(256)) * len(mode)) - - -def load(filename): - - # FIXME: supports GIMP gradients only - - fp = open(filename, "rb") - - for paletteHandler in [ - GimpPaletteFile.GimpPaletteFile, - GimpGradientFile.GimpGradientFile, - PaletteFile.PaletteFile - ]: - try: - fp.seek(0) - lut = paletteHandler(fp).getpalette() - if lut: - break - except (SyntaxError, ValueError): - # import traceback - # traceback.print_exc() - pass - else: - raise IOError("cannot load palette") - - return lut # data, rawmode diff --git a/PIL/ImagePath.py b/PIL/ImagePath.py deleted file mode 100644 index 3abfba03185..00000000000 --- a/PIL/ImagePath.py +++ /dev/null @@ -1,60 +0,0 @@ -# -# The Python Imaging Library -# $Id$ -# -# path interface -# -# History: -# 1996-11-04 fl Created -# 2002-04-14 fl Added documentation stub class -# -# Copyright (c) Secret Labs AB 1997. -# Copyright (c) Fredrik Lundh 1996. -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image - - -# the Python class below is overridden by the C implementation. - - -class Path(object): - - def __init__(self, xy): - pass - - def compact(self, distance=2): - """ - Compacts the path, by removing points that are close to each other. - This method modifies the path in place. - """ - pass - - def getbbox(self): - """Gets the bounding box.""" - pass - - def map(self, function): - """Maps the path through a function.""" - pass - - def tolist(self, flat=0): - """ - Converts the path to Python list. - # - @param flat By default, this function returns a list of 2-tuples - [(x, y), ...]. If this argument is true, it returns a flat list - [x, y, ...] instead. - @return A list of coordinates. - """ - pass - - def transform(self, matrix): - """Transforms the path.""" - pass - - -# override with C implementation -Path = Image.core.path diff --git a/PIL/ImageQt.py b/PIL/ImageQt.py deleted file mode 100644 index 3f7ae25185b..00000000000 --- a/PIL/ImageQt.py +++ /dev/null @@ -1,199 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# a simple Qt image interface. -# -# history: -# 2006-06-03 fl: created -# 2006-06-04 fl: inherit from QImage instead of wrapping it -# 2006-06-05 fl: removed toimage helper; move string support to ImageQt -# 2013-11-13 fl: add support for Qt5 (aurelien.ballier@cyclonit.com) -# -# Copyright (c) 2006 by Secret Labs AB -# Copyright (c) 2006 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image -from PIL._util import isPath -from io import BytesIO - -qt_is_installed = True -qt_version = None -try: - from PyQt5.QtGui import QImage, qRgba, QPixmap - from PyQt5.QtCore import QBuffer, QIODevice - qt_version = '5' -except (ImportError, RuntimeError): - try: - from PyQt4.QtGui import QImage, qRgba, QPixmap - from PyQt4.QtCore import QBuffer, QIODevice - qt_version = '4' - except (ImportError, RuntimeError): - try: - from PySide.QtGui import QImage, qRgba, QPixmap - from PySide.QtCore import QBuffer, QIODevice - qt_version = 'side' - except ImportError: - qt_is_installed = False - - -def rgb(r, g, b, a=255): - """(Internal) Turns an RGB color into a Qt compatible color integer.""" - # use qRgb to pack the colors, and then turn the resulting long - # into a negative integer with the same bitpattern. - return (qRgba(r, g, b, a) & 0xffffffff) - - -def fromqimage(im): - """ - :param im: A PIL Image object, or a file name - (given either as Python string or a PyQt string object) - """ - buffer = QBuffer() - buffer.open(QIODevice.ReadWrite) - # preserve alha channel with png - # otherwise ppm is more friendly with Image.open - if im.hasAlphaChannel(): - im.save(buffer, 'png') - else: - im.save(buffer, 'ppm') - - b = BytesIO() - try: - b.write(buffer.data()) - except TypeError: - # workaround for Python 2 - b.write(str(buffer.data())) - buffer.close() - b.seek(0) - - return Image.open(b) - - -def fromqpixmap(im): - return fromqimage(im) - # buffer = QBuffer() - # buffer.open(QIODevice.ReadWrite) - # # im.save(buffer) - # # What if png doesn't support some image features like animation? - # im.save(buffer, 'ppm') - # bytes_io = BytesIO() - # bytes_io.write(buffer.data()) - # buffer.close() - # bytes_io.seek(0) - # return Image.open(bytes_io) - - -def align8to32(bytes, width, mode): - """ - converts each scanline of data from 8 bit to 32 bit aligned - """ - - bits_per_pixel = { - '1': 1, - 'L': 8, - 'P': 8, - }[mode] - - # calculate bytes per line and the extra padding if needed - bits_per_line = bits_per_pixel * width - full_bytes_per_line, remaining_bits_per_line = divmod(bits_per_line, 8) - bytes_per_line = full_bytes_per_line + (1 if remaining_bits_per_line else 0) - - extra_padding = -bytes_per_line % 4 - - # already 32 bit aligned by luck - if not extra_padding: - return bytes - - new_data = [] - for i in range(len(bytes) // bytes_per_line): - new_data.append(bytes[i*bytes_per_line:(i+1)*bytes_per_line] + b'\x00' * extra_padding) - - return b''.join(new_data) - - -def _toqclass_helper(im): - data = None - colortable = None - - # handle filename, if given instead of image name - if hasattr(im, "toUtf8"): - # FIXME - is this really the best way to do this? - if str is bytes: - im = unicode(im.toUtf8(), "utf-8") - else: - im = str(im.toUtf8(), "utf-8") - if isPath(im): - im = Image.open(im) - - if im.mode == "1": - format = QImage.Format_Mono - elif im.mode == "L": - format = QImage.Format_Indexed8 - colortable = [] - for i in range(256): - colortable.append(rgb(i, i, i)) - elif im.mode == "P": - format = QImage.Format_Indexed8 - colortable = [] - palette = im.getpalette() - for i in range(0, len(palette), 3): - colortable.append(rgb(*palette[i:i+3])) - elif im.mode == "RGB": - data = im.tobytes("raw", "BGRX") - format = QImage.Format_RGB32 - elif im.mode == "RGBA": - try: - data = im.tobytes("raw", "BGRA") - except SystemError: - # workaround for earlier versions - r, g, b, a = im.split() - im = Image.merge("RGBA", (b, g, r, a)) - format = QImage.Format_ARGB32 - else: - raise ValueError("unsupported image mode %r" % im.mode) - - # must keep a reference, or Qt will crash! - __data = data or align8to32(im.tobytes(), im.size[0], im.mode) - return { - 'data': __data, 'im': im, 'format': format, 'colortable': colortable - } - -if qt_is_installed: - class ImageQt(QImage): - - def __init__(self, im): - """ - An PIL image wrapper for Qt. This is a subclass of PyQt's QImage - class. - - :param im: A PIL Image object, or a file name (given either as Python - string or a PyQt string object). - """ - im_data = _toqclass_helper(im) - QImage.__init__(self, - im_data['data'], im_data['im'].size[0], - im_data['im'].size[1], im_data['format']) - if im_data['colortable']: - self.setColorTable(im_data['colortable']) - - -def toqimage(im): - return ImageQt(im) - - -def toqpixmap(im): - # # This doesn't work. For now using a dumb approach. - # im_data = _toqclass_helper(im) - # result = QPixmap(im_data['im'].size[0], im_data['im'].size[1]) - # result.loadFromData(im_data['data']) - # Fix some strange bug that causes - if im.mode == 'RGB': - im = im.convert('RGBA') - - qimage = toqimage(im) - return QPixmap.fromImage(qimage) diff --git a/PIL/ImageSequence.py b/PIL/ImageSequence.py deleted file mode 100644 index 1fc6e5de165..00000000000 --- a/PIL/ImageSequence.py +++ /dev/null @@ -1,56 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# sequence support classes -# -# history: -# 1997-02-20 fl Created -# -# Copyright (c) 1997 by Secret Labs AB. -# Copyright (c) 1997 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - -## - - -class Iterator(object): - """ - This class implements an iterator object that can be used to loop - over an image sequence. - - You can use the ``[]`` operator to access elements by index. This operator - will raise an :py:exc:`IndexError` if you try to access a nonexistent - frame. - - :param im: An image object. - """ - - def __init__(self, im): - if not hasattr(im, "seek"): - raise AttributeError("im must have seek method") - self.im = im - self.position = 0 - - def __getitem__(self, ix): - try: - self.im.seek(ix) - return self.im - except EOFError: - raise IndexError # end of sequence - - def __iter__(self): - return self - - def __next__(self): - try: - self.im.seek(self.position) - self.position += 1 - return self.im - except EOFError: - raise StopIteration - - def next(self): - return self.__next__() diff --git a/PIL/ImageShow.py b/PIL/ImageShow.py deleted file mode 100644 index 33f059d74c0..00000000000 --- a/PIL/ImageShow.py +++ /dev/null @@ -1,176 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# im.show() drivers -# -# History: -# 2008-04-06 fl Created -# -# Copyright (c) Secret Labs AB 2008. -# -# See the README file for information on usage and redistribution. -# - -from __future__ import print_function - -from PIL import Image -import os -import sys - -if sys.version_info >= (3, 3): - from shlex import quote -else: - from pipes import quote - -_viewers = [] - - -def register(viewer, order=1): - try: - if issubclass(viewer, Viewer): - viewer = viewer() - except TypeError: - pass # raised if viewer wasn't a class - if order > 0: - _viewers.append(viewer) - elif order < 0: - _viewers.insert(0, viewer) - - -def show(image, title=None, **options): - r""" - Display a given image. - - :param image: An image object. - :param title: Optional title. Not all viewers can display the title. - :param \**options: Additional viewer options. - :returns: True if a suitable viewer was found, false otherwise. - """ - for viewer in _viewers: - if viewer.show(image, title=title, **options): - return 1 - return 0 - - -class Viewer(object): - """Base class for viewers.""" - - # main api - - def show(self, image, **options): - - # save temporary image to disk - if image.mode[:4] == "I;16": - # @PIL88 @PIL101 - # "I;16" isn't an 'official' mode, but we still want to - # provide a simple way to show 16-bit images. - base = "L" - # FIXME: auto-contrast if max() > 255? - else: - base = Image.getmodebase(image.mode) - if base != image.mode and image.mode != "1": - image = image.convert(base) - - return self.show_image(image, **options) - - # hook methods - - format = None - - def get_format(self, image): - """Return format name, or None to save as PGM/PPM""" - return self.format - - def get_command(self, file, **options): - raise NotImplementedError - - def save_image(self, image): - """Save to temporary file, and return filename""" - return image._dump(format=self.get_format(image)) - - def show_image(self, image, **options): - """Display given image""" - return self.show_file(self.save_image(image), **options) - - def show_file(self, file, **options): - """Display given file""" - os.system(self.get_command(file, **options)) - return 1 - -# -------------------------------------------------------------------- - -if sys.platform == "win32": - - class WindowsViewer(Viewer): - format = "BMP" - - def get_command(self, file, **options): - return ('start "Pillow" /WAIT "%s" ' - '&& ping -n 2 127.0.0.1 >NUL ' - '&& del /f "%s"' % (file, file)) - - register(WindowsViewer) - -elif sys.platform == "darwin": - - class MacViewer(Viewer): - format = "BMP" - - def get_command(self, file, **options): - # on darwin open returns immediately resulting in the temp - # file removal while app is opening - command = "open -a /Applications/Preview.app" - command = "(%s %s; sleep 20; rm -f %s)&" % (command, quote(file), - quote(file)) - return command - - register(MacViewer) - -else: - - # unixoids - - def which(executable): - path = os.environ.get("PATH") - if not path: - return None - for dirname in path.split(os.pathsep): - filename = os.path.join(dirname, executable) - if os.path.isfile(filename) and os.access(filename, os.X_OK): - return filename - return None - - class UnixViewer(Viewer): - def show_file(self, file, **options): - command, executable = self.get_command_ex(file, **options) - command = "(%s %s; rm -f %s)&" % (command, quote(file), - quote(file)) - os.system(command) - return 1 - - # implementations - - class DisplayViewer(UnixViewer): - def get_command_ex(self, file, **options): - command = executable = "display" - return command, executable - - if which("display"): - register(DisplayViewer) - - class XVViewer(UnixViewer): - def get_command_ex(self, file, title=None, **options): - # note: xv is pretty outdated. most modern systems have - # imagemagick's display command instead. - command = executable = "xv" - if title: - command += " -name %s" % quote(title) - return command, executable - - if which("xv"): - register(XVViewer) - -if __name__ == "__main__": - # usage: python ImageShow.py imagefile [title] - print(show(Image.open(sys.argv[1]), *sys.argv[2:])) diff --git a/PIL/IptcImagePlugin.py b/PIL/IptcImagePlugin.py deleted file mode 100644 index 1de17cbbac6..00000000000 --- a/PIL/IptcImagePlugin.py +++ /dev/null @@ -1,261 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# IPTC/NAA file handling -# -# history: -# 1995-10-01 fl Created -# 1998-03-09 fl Cleaned up and added to PIL -# 2002-06-18 fl Added getiptcinfo helper -# -# Copyright (c) Secret Labs AB 1997-2002. -# Copyright (c) Fredrik Lundh 1995. -# -# See the README file for information on usage and redistribution. -# - -from __future__ import print_function - -from PIL import Image, ImageFile, _binary -import os -import tempfile - -__version__ = "0.3" - -i8 = _binary.i8 -i16 = _binary.i16be -i32 = _binary.i32be -o8 = _binary.o8 - -COMPRESSION = { - 1: "raw", - 5: "jpeg" -} - -PAD = o8(0) * 4 - - -# -# Helpers - -def i(c): - return i32((PAD + c)[-4:]) - - -def dump(c): - for i in c: - print("%02x" % i8(i), end=' ') - print() - - -## -# Image plugin for IPTC/NAA datastreams. To read IPTC/NAA fields -# from TIFF and JPEG files, use the getiptcinfo function. - -class IptcImageFile(ImageFile.ImageFile): - - format = "IPTC" - format_description = "IPTC/NAA" - - def getint(self, key): - return i(self.info[key]) - - def field(self): - # - # get a IPTC field header - s = self.fp.read(5) - if not len(s): - return None, 0 - - tag = i8(s[1]), i8(s[2]) - - # syntax - if i8(s[0]) != 0x1C or tag[0] < 1 or tag[0] > 9: - raise SyntaxError("invalid IPTC/NAA file") - - # field size - size = i8(s[3]) - if size > 132: - raise IOError("illegal field length in IPTC/NAA file") - elif size == 128: - size = 0 - elif size > 128: - size = i(self.fp.read(size-128)) - else: - size = i16(s[3:]) - - return tag, size - - def _open(self): - - # load descriptive fields - while True: - offset = self.fp.tell() - tag, size = self.field() - if not tag or tag == (8, 10): - break - if size: - tagdata = self.fp.read(size) - else: - tagdata = None - if tag in list(self.info.keys()): - if isinstance(self.info[tag], list): - self.info[tag].append(tagdata) - else: - self.info[tag] = [self.info[tag], tagdata] - else: - self.info[tag] = tagdata - - # print tag, self.info[tag] - - # mode - layers = i8(self.info[(3, 60)][0]) - component = i8(self.info[(3, 60)][1]) - if (3, 65) in self.info: - id = i8(self.info[(3, 65)][0])-1 - else: - id = 0 - if layers == 1 and not component: - self.mode = "L" - elif layers == 3 and component: - self.mode = "RGB"[id] - elif layers == 4 and component: - self.mode = "CMYK"[id] - - # size - self.size = self.getint((3, 20)), self.getint((3, 30)) - - # compression - try: - compression = COMPRESSION[self.getint((3, 120))] - except KeyError: - raise IOError("Unknown IPTC image compression") - - # tile - if tag == (8, 10): - self.tile = [("iptc", (compression, offset), - (0, 0, self.size[0], self.size[1]))] - - def load(self): - - if len(self.tile) != 1 or self.tile[0][0] != "iptc": - return ImageFile.ImageFile.load(self) - - type, tile, box = self.tile[0] - - encoding, offset = tile - - self.fp.seek(offset) - - # Copy image data to temporary file - o_fd, outfile = tempfile.mkstemp(text=False) - o = os.fdopen(o_fd) - if encoding == "raw": - # To simplify access to the extracted file, - # prepend a PPM header - o.write("P5\n%d %d\n255\n" % self.size) - while True: - type, size = self.field() - if type != (8, 10): - break - while size > 0: - s = self.fp.read(min(size, 8192)) - if not s: - break - o.write(s) - size -= len(s) - o.close() - - try: - _im = Image.open(outfile) - _im.load() - self.im = _im.im - finally: - try: - os.unlink(outfile) - except OSError: - pass - - -Image.register_open(IptcImageFile.format, IptcImageFile) - -Image.register_extension(IptcImageFile.format, ".iim") - - -def getiptcinfo(im): - """ - Get IPTC information from TIFF, JPEG, or IPTC file. - - :param im: An image containing IPTC data. - :returns: A dictionary containing IPTC information, or None if - no IPTC information block was found. - """ - from PIL import TiffImagePlugin, JpegImagePlugin - import io - - data = None - - if isinstance(im, IptcImageFile): - # return info dictionary right away - return im.info - - elif isinstance(im, JpegImagePlugin.JpegImageFile): - # extract the IPTC/NAA resource - try: - app = im.app["APP13"] - if app[:14] == b"Photoshop 3.0\x00": - app = app[14:] - # parse the image resource block - offset = 0 - while app[offset:offset+4] == b"8BIM": - offset += 4 - # resource code - code = i16(app, offset) - offset += 2 - # resource name (usually empty) - name_len = i8(app[offset]) - # name = app[offset+1:offset+1+name_len] - offset = 1 + offset + name_len - if offset & 1: - offset += 1 - # resource data block - size = i32(app, offset) - offset += 4 - if code == 0x0404: - # 0x0404 contains IPTC/NAA data - data = app[offset:offset+size] - break - offset = offset + size - if offset & 1: - offset += 1 - except (AttributeError, KeyError): - pass - - elif isinstance(im, TiffImagePlugin.TiffImageFile): - # get raw data from the IPTC/NAA tag (PhotoShop tags the data - # as 4-byte integers, so we cannot use the get method...) - try: - data = im.tag.tagdata[TiffImagePlugin.IPTC_NAA_CHUNK] - except (AttributeError, KeyError): - pass - - if data is None: - return None # no properties - - # create an IptcImagePlugin object without initializing it - class FakeImage(object): - pass - im = FakeImage() - im.__class__ = IptcImageFile - - # parse the IPTC information chunk - im.info = {} - im.fp = io.BytesIO(data) - - try: - im._open() - except (IndexError, KeyError): - pass # expected failure - - return im.info diff --git a/PIL/Jpeg2KImagePlugin.py b/PIL/Jpeg2KImagePlugin.py deleted file mode 100644 index 66de34bfafa..00000000000 --- a/PIL/Jpeg2KImagePlugin.py +++ /dev/null @@ -1,280 +0,0 @@ -# -# The Python Imaging Library -# $Id$ -# -# JPEG2000 file handling -# -# History: -# 2014-03-12 ajh Created -# -# Copyright (c) 2014 Coriolis Systems Limited -# Copyright (c) 2014 Alastair Houghton -# -# See the README file for information on usage and redistribution. -# -from PIL import Image, ImageFile -import struct -import os -import io - -__version__ = "0.1" - - -def _parse_codestream(fp): - """Parse the JPEG 2000 codestream to extract the size and component - count from the SIZ marker segment, returning a PIL (size, mode) tuple.""" - - hdr = fp.read(2) - lsiz = struct.unpack('>H', hdr)[0] - siz = hdr + fp.read(lsiz - 2) - lsiz, rsiz, xsiz, ysiz, xosiz, yosiz, xtsiz, ytsiz, \ - xtosiz, ytosiz, csiz \ - = struct.unpack('>HHIIIIIIIIH', siz[:38]) - ssiz = [None]*csiz - xrsiz = [None]*csiz - yrsiz = [None]*csiz - for i in range(csiz): - ssiz[i], xrsiz[i], yrsiz[i] \ - = struct.unpack('>BBB', siz[36 + 3 * i:39 + 3 * i]) - - size = (xsiz - xosiz, ysiz - yosiz) - if csiz == 1: - if (yrsiz[0] & 0x7f) > 8: - mode = 'I;16' - else: - mode = 'L' - elif csiz == 2: - mode = 'LA' - elif csiz == 3: - mode = 'RGB' - elif csiz == 4: - mode = 'RGBA' - else: - mode = None - - return (size, mode) - - -def _parse_jp2_header(fp): - """Parse the JP2 header box to extract size, component count and - color space information, returning a PIL (size, mode) tuple.""" - - # Find the JP2 header box - header = None - while True: - lbox, tbox = struct.unpack('>I4s', fp.read(8)) - if lbox == 1: - lbox = struct.unpack('>Q', fp.read(8))[0] - hlen = 16 - else: - hlen = 8 - - if lbox < hlen: - raise SyntaxError('Invalid JP2 header length') - - if tbox == b'jp2h': - header = fp.read(lbox - hlen) - break - else: - fp.seek(lbox - hlen, os.SEEK_CUR) - - if header is None: - raise SyntaxError('could not find JP2 header') - - size = None - mode = None - bpc = None - nc = None - - hio = io.BytesIO(header) - while True: - lbox, tbox = struct.unpack('>I4s', hio.read(8)) - if lbox == 1: - lbox = struct.unpack('>Q', hio.read(8))[0] - hlen = 16 - else: - hlen = 8 - - content = hio.read(lbox - hlen) - - if tbox == b'ihdr': - height, width, nc, bpc, c, unkc, ipr \ - = struct.unpack('>IIHBBBB', content) - size = (width, height) - if unkc: - if nc == 1 and (bpc & 0x7f) > 8: - mode = 'I;16' - elif nc == 1: - mode = 'L' - elif nc == 2: - mode = 'LA' - elif nc == 3: - mode = 'RGB' - elif nc == 4: - mode = 'RGBA' - break - elif tbox == b'colr': - meth, prec, approx = struct.unpack('>BBB', content[:3]) - if meth == 1: - cs = struct.unpack('>I', content[3:7])[0] - if cs == 16: # sRGB - if nc == 1 and (bpc & 0x7f) > 8: - mode = 'I;16' - elif nc == 1: - mode = 'L' - elif nc == 3: - mode = 'RGB' - elif nc == 4: - mode = 'RGBA' - break - elif cs == 17: # grayscale - if nc == 1 and (bpc & 0x7f) > 8: - mode = 'I;16' - elif nc == 1: - mode = 'L' - elif nc == 2: - mode = 'LA' - break - elif cs == 18: # sYCC - if nc == 3: - mode = 'RGB' - elif nc == 4: - mode = 'RGBA' - break - - if size is None or mode is None: - raise SyntaxError("Malformed jp2 header") - - return (size, mode) - -## -# Image plugin for JPEG2000 images. - - -class Jpeg2KImageFile(ImageFile.ImageFile): - format = "JPEG2000" - format_description = "JPEG 2000 (ISO 15444)" - - def _open(self): - sig = self.fp.read(4) - if sig == b'\xff\x4f\xff\x51': - self.codec = "j2k" - self.size, self.mode = _parse_codestream(self.fp) - else: - sig = sig + self.fp.read(8) - - if sig == b'\x00\x00\x00\x0cjP \x0d\x0a\x87\x0a': - self.codec = "jp2" - self.size, self.mode = _parse_jp2_header(self.fp) - else: - raise SyntaxError('not a JPEG 2000 file') - - if self.size is None or self.mode is None: - raise SyntaxError('unable to determine size/mode') - - self.reduce = 0 - self.layers = 0 - - fd = -1 - length = -1 - - try: - fd = self.fp.fileno() - length = os.fstat(fd).st_size - except: - fd = -1 - try: - pos = self.fp.tell() - self.fp.seek(0, 2) - length = self.fp.tell() - self.fp.seek(pos, 0) - except: - length = -1 - - self.tile = [('jpeg2k', (0, 0) + self.size, 0, - (self.codec, self.reduce, self.layers, fd, length, self.fp))] - - def load(self): - if self.reduce: - power = 1 << self.reduce - adjust = power >> 1 - self.size = (int((self.size[0] + adjust) / power), - int((self.size[1] + adjust) / power)) - - if self.tile: - # Update the reduce and layers settings - t = self.tile[0] - t3 = (t[3][0], self.reduce, self.layers, t[3][3], t[3][4]) - self.tile = [(t[0], (0, 0) + self.size, t[2], t3)] - - return ImageFile.ImageFile.load(self) - - -def _accept(prefix): - return (prefix[:4] == b'\xff\x4f\xff\x51' or - prefix[:12] == b'\x00\x00\x00\x0cjP \x0d\x0a\x87\x0a') - - -# ------------------------------------------------------------ -# Save support - -def _save(im, fp, filename): - if filename.endswith('.j2k'): - kind = 'j2k' - else: - kind = 'jp2' - - # Get the keyword arguments - info = im.encoderinfo - - offset = info.get('offset', None) - tile_offset = info.get('tile_offset', None) - tile_size = info.get('tile_size', None) - quality_mode = info.get('quality_mode', 'rates') - quality_layers = info.get('quality_layers', None) - num_resolutions = info.get('num_resolutions', 0) - cblk_size = info.get('codeblock_size', None) - precinct_size = info.get('precinct_size', None) - irreversible = info.get('irreversible', False) - progression = info.get('progression', 'LRCP') - cinema_mode = info.get('cinema_mode', 'no') - fd = -1 - - if hasattr(fp, "fileno"): - try: - fd = fp.fileno() - except: - fd = -1 - - im.encoderconfig = ( - offset, - tile_offset, - tile_size, - quality_mode, - quality_layers, - num_resolutions, - cblk_size, - precinct_size, - irreversible, - progression, - cinema_mode, - fd - ) - - ImageFile._save(im, fp, [('jpeg2k', (0, 0)+im.size, 0, kind)]) - -# ------------------------------------------------------------ -# Registry stuff - -Image.register_open(Jpeg2KImageFile.format, Jpeg2KImageFile, _accept) -Image.register_save(Jpeg2KImageFile.format, _save) - -Image.register_extension(Jpeg2KImageFile.format, '.jp2') -Image.register_extension(Jpeg2KImageFile.format, '.j2k') -Image.register_extension(Jpeg2KImageFile.format, '.jpc') -Image.register_extension(Jpeg2KImageFile.format, '.jpf') -Image.register_extension(Jpeg2KImageFile.format, '.jpx') -Image.register_extension(Jpeg2KImageFile.format, '.j2c') - -Image.register_mime(Jpeg2KImageFile.format, 'image/jp2') -Image.register_mime(Jpeg2KImageFile.format, 'image/jpx') diff --git a/PIL/JpegImagePlugin.py b/PIL/JpegImagePlugin.py deleted file mode 100644 index ef229e61157..00000000000 --- a/PIL/JpegImagePlugin.py +++ /dev/null @@ -1,770 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# JPEG (JFIF) file handling -# -# See "Digital Compression and Coding of Continuous-Tone Still Images, -# Part 1, Requirements and Guidelines" (CCITT T.81 / ISO 10918-1) -# -# History: -# 1995-09-09 fl Created -# 1995-09-13 fl Added full parser -# 1996-03-25 fl Added hack to use the IJG command line utilities -# 1996-05-05 fl Workaround Photoshop 2.5 CMYK polarity bug -# 1996-05-28 fl Added draft support, JFIF version (0.1) -# 1996-12-30 fl Added encoder options, added progression property (0.2) -# 1997-08-27 fl Save mode 1 images as BW (0.3) -# 1998-07-12 fl Added YCbCr to draft and save methods (0.4) -# 1998-10-19 fl Don't hang on files using 16-bit DQT's (0.4.1) -# 2001-04-16 fl Extract DPI settings from JFIF files (0.4.2) -# 2002-07-01 fl Skip pad bytes before markers; identify Exif files (0.4.3) -# 2003-04-25 fl Added experimental EXIF decoder (0.5) -# 2003-06-06 fl Added experimental EXIF GPSinfo decoder -# 2003-09-13 fl Extract COM markers -# 2009-09-06 fl Added icc_profile support (from Florian Hoech) -# 2009-03-06 fl Changed CMYK handling; always use Adobe polarity (0.6) -# 2009-03-08 fl Added subsampling support (from Justin Huff). -# -# Copyright (c) 1997-2003 by Secret Labs AB. -# Copyright (c) 1995-1996 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - -import array -import struct -import io -import warnings -from struct import unpack_from -from PIL import Image, ImageFile, TiffImagePlugin, _binary -from PIL.JpegPresets import presets -from PIL._util import isStringType - -i8 = _binary.i8 -o8 = _binary.o8 -i16 = _binary.i16be -i32 = _binary.i32be - -__version__ = "0.6" - - -# -# Parser - -def Skip(self, marker): - n = i16(self.fp.read(2))-2 - ImageFile._safe_read(self.fp, n) - - -def APP(self, marker): - # - # Application marker. Store these in the APP dictionary. - # Also look for well-known application markers. - - n = i16(self.fp.read(2))-2 - s = ImageFile._safe_read(self.fp, n) - - app = "APP%d" % (marker & 15) - - self.app[app] = s # compatibility - self.applist.append((app, s)) - - if marker == 0xFFE0 and s[:4] == b"JFIF": - # extract JFIF information - self.info["jfif"] = version = i16(s, 5) # version - self.info["jfif_version"] = divmod(version, 256) - # extract JFIF properties - try: - jfif_unit = i8(s[7]) - jfif_density = i16(s, 8), i16(s, 10) - except: - pass - else: - if jfif_unit == 1: - self.info["dpi"] = jfif_density - self.info["jfif_unit"] = jfif_unit - self.info["jfif_density"] = jfif_density - elif marker == 0xFFE1 and s[:5] == b"Exif\0": - # extract Exif information (incomplete) - self.info["exif"] = s # FIXME: value will change - elif marker == 0xFFE2 and s[:5] == b"FPXR\0": - # extract FlashPix information (incomplete) - self.info["flashpix"] = s # FIXME: value will change - elif marker == 0xFFE2 and s[:12] == b"ICC_PROFILE\0": - # Since an ICC profile can be larger than the maximum size of - # a JPEG marker (64K), we need provisions to split it into - # multiple markers. The format defined by the ICC specifies - # one or more APP2 markers containing the following data: - # Identifying string ASCII "ICC_PROFILE\0" (12 bytes) - # Marker sequence number 1, 2, etc (1 byte) - # Number of markers Total of APP2's used (1 byte) - # Profile data (remainder of APP2 data) - # Decoders should use the marker sequence numbers to - # reassemble the profile, rather than assuming that the APP2 - # markers appear in the correct sequence. - self.icclist.append(s) - elif marker == 0xFFEE and s[:5] == b"Adobe": - self.info["adobe"] = i16(s, 5) - # extract Adobe custom properties - try: - adobe_transform = i8(s[1]) - except: - pass - else: - self.info["adobe_transform"] = adobe_transform - elif marker == 0xFFE2 and s[:4] == b"MPF\0": - # extract MPO information - self.info["mp"] = s[4:] - # offset is current location minus buffer size - # plus constant header size - self.info["mpoffset"] = self.fp.tell() - n + 4 - - -def COM(self, marker): - # - # Comment marker. Store these in the APP dictionary. - n = i16(self.fp.read(2))-2 - s = ImageFile._safe_read(self.fp, n) - - self.app["COM"] = s # compatibility - self.applist.append(("COM", s)) - - -def SOF(self, marker): - # - # Start of frame marker. Defines the size and mode of the - # image. JPEG is colour blind, so we use some simple - # heuristics to map the number of layers to an appropriate - # mode. Note that this could be made a bit brighter, by - # looking for JFIF and Adobe APP markers. - - n = i16(self.fp.read(2))-2 - s = ImageFile._safe_read(self.fp, n) - self.size = i16(s[3:]), i16(s[1:]) - - self.bits = i8(s[0]) - if self.bits != 8: - raise SyntaxError("cannot handle %d-bit layers" % self.bits) - - self.layers = i8(s[5]) - if self.layers == 1: - self.mode = "L" - elif self.layers == 3: - self.mode = "RGB" - elif self.layers == 4: - self.mode = "CMYK" - else: - raise SyntaxError("cannot handle %d-layer images" % self.layers) - - if marker in [0xFFC2, 0xFFC6, 0xFFCA, 0xFFCE]: - self.info["progressive"] = self.info["progression"] = 1 - - if self.icclist: - # fixup icc profile - self.icclist.sort() # sort by sequence number - if i8(self.icclist[0][13]) == len(self.icclist): - profile = [] - for p in self.icclist: - profile.append(p[14:]) - icc_profile = b"".join(profile) - else: - icc_profile = None # wrong number of fragments - self.info["icc_profile"] = icc_profile - self.icclist = None - - for i in range(6, len(s), 3): - t = s[i:i+3] - # 4-tuples: id, vsamp, hsamp, qtable - self.layer.append((t[0], i8(t[1])//16, i8(t[1]) & 15, i8(t[2]))) - - -def DQT(self, marker): - # - # Define quantization table. Support baseline 8-bit tables - # only. Note that there might be more than one table in - # each marker. - - # FIXME: The quantization tables can be used to estimate the - # compression quality. - - n = i16(self.fp.read(2))-2 - s = ImageFile._safe_read(self.fp, n) - while len(s): - if len(s) < 65: - raise SyntaxError("bad quantization table marker") - v = i8(s[0]) - if v//16 == 0: - self.quantization[v & 15] = array.array("B", s[1:65]) - s = s[65:] - else: - return # FIXME: add code to read 16-bit tables! - # raise SyntaxError, "bad quantization table element size" - - -# -# JPEG marker table - -MARKER = { - 0xFFC0: ("SOF0", "Baseline DCT", SOF), - 0xFFC1: ("SOF1", "Extended Sequential DCT", SOF), - 0xFFC2: ("SOF2", "Progressive DCT", SOF), - 0xFFC3: ("SOF3", "Spatial lossless", SOF), - 0xFFC4: ("DHT", "Define Huffman table", Skip), - 0xFFC5: ("SOF5", "Differential sequential DCT", SOF), - 0xFFC6: ("SOF6", "Differential progressive DCT", SOF), - 0xFFC7: ("SOF7", "Differential spatial", SOF), - 0xFFC8: ("JPG", "Extension", None), - 0xFFC9: ("SOF9", "Extended sequential DCT (AC)", SOF), - 0xFFCA: ("SOF10", "Progressive DCT (AC)", SOF), - 0xFFCB: ("SOF11", "Spatial lossless DCT (AC)", SOF), - 0xFFCC: ("DAC", "Define arithmetic coding conditioning", Skip), - 0xFFCD: ("SOF13", "Differential sequential DCT (AC)", SOF), - 0xFFCE: ("SOF14", "Differential progressive DCT (AC)", SOF), - 0xFFCF: ("SOF15", "Differential spatial (AC)", SOF), - 0xFFD0: ("RST0", "Restart 0", None), - 0xFFD1: ("RST1", "Restart 1", None), - 0xFFD2: ("RST2", "Restart 2", None), - 0xFFD3: ("RST3", "Restart 3", None), - 0xFFD4: ("RST4", "Restart 4", None), - 0xFFD5: ("RST5", "Restart 5", None), - 0xFFD6: ("RST6", "Restart 6", None), - 0xFFD7: ("RST7", "Restart 7", None), - 0xFFD8: ("SOI", "Start of image", None), - 0xFFD9: ("EOI", "End of image", None), - 0xFFDA: ("SOS", "Start of scan", Skip), - 0xFFDB: ("DQT", "Define quantization table", DQT), - 0xFFDC: ("DNL", "Define number of lines", Skip), - 0xFFDD: ("DRI", "Define restart interval", Skip), - 0xFFDE: ("DHP", "Define hierarchical progression", SOF), - 0xFFDF: ("EXP", "Expand reference component", Skip), - 0xFFE0: ("APP0", "Application segment 0", APP), - 0xFFE1: ("APP1", "Application segment 1", APP), - 0xFFE2: ("APP2", "Application segment 2", APP), - 0xFFE3: ("APP3", "Application segment 3", APP), - 0xFFE4: ("APP4", "Application segment 4", APP), - 0xFFE5: ("APP5", "Application segment 5", APP), - 0xFFE6: ("APP6", "Application segment 6", APP), - 0xFFE7: ("APP7", "Application segment 7", APP), - 0xFFE8: ("APP8", "Application segment 8", APP), - 0xFFE9: ("APP9", "Application segment 9", APP), - 0xFFEA: ("APP10", "Application segment 10", APP), - 0xFFEB: ("APP11", "Application segment 11", APP), - 0xFFEC: ("APP12", "Application segment 12", APP), - 0xFFED: ("APP13", "Application segment 13", APP), - 0xFFEE: ("APP14", "Application segment 14", APP), - 0xFFEF: ("APP15", "Application segment 15", APP), - 0xFFF0: ("JPG0", "Extension 0", None), - 0xFFF1: ("JPG1", "Extension 1", None), - 0xFFF2: ("JPG2", "Extension 2", None), - 0xFFF3: ("JPG3", "Extension 3", None), - 0xFFF4: ("JPG4", "Extension 4", None), - 0xFFF5: ("JPG5", "Extension 5", None), - 0xFFF6: ("JPG6", "Extension 6", None), - 0xFFF7: ("JPG7", "Extension 7", None), - 0xFFF8: ("JPG8", "Extension 8", None), - 0xFFF9: ("JPG9", "Extension 9", None), - 0xFFFA: ("JPG10", "Extension 10", None), - 0xFFFB: ("JPG11", "Extension 11", None), - 0xFFFC: ("JPG12", "Extension 12", None), - 0xFFFD: ("JPG13", "Extension 13", None), - 0xFFFE: ("COM", "Comment", COM) -} - - -def _accept(prefix): - return prefix[0:1] == b"\377" - - -## -# Image plugin for JPEG and JFIF images. - -class JpegImageFile(ImageFile.ImageFile): - - format = "JPEG" - format_description = "JPEG (ISO 10918)" - - def _open(self): - - s = self.fp.read(1) - - if i8(s) != 255: - raise SyntaxError("not a JPEG file") - - # Create attributes - self.bits = self.layers = 0 - - # JPEG specifics (internal) - self.layer = [] - self.huffman_dc = {} - self.huffman_ac = {} - self.quantization = {} - self.app = {} # compatibility - self.applist = [] - self.icclist = [] - - while True: - - i = i8(s) - if i == 0xFF: - s = s + self.fp.read(1) - i = i16(s) - else: - # Skip non-0xFF junk - s = self.fp.read(1) - continue - - if i in MARKER: - name, description, handler = MARKER[i] - # print hex(i), name, description - if handler is not None: - handler(self, i) - if i == 0xFFDA: # start of scan - rawmode = self.mode - if self.mode == "CMYK": - rawmode = "CMYK;I" # assume adobe conventions - self.tile = [("jpeg", (0, 0) + self.size, 0, - (rawmode, ""))] - # self.__offset = self.fp.tell() - break - s = self.fp.read(1) - elif i == 0 or i == 0xFFFF: - # padded marker or junk; move on - s = b"\xff" - elif i == 0xFF00: # Skip extraneous data (escaped 0xFF) - s = self.fp.read(1) - else: - raise SyntaxError("no marker found") - - def draft(self, mode, size): - - if len(self.tile) != 1: - return - - d, e, o, a = self.tile[0] - scale = 0 - - if a[0] == "RGB" and mode in ["L", "YCbCr"]: - self.mode = mode - a = mode, "" - - if size: - scale = max(self.size[0] // size[0], self.size[1] // size[1]) - for s in [8, 4, 2, 1]: - if scale >= s: - break - e = e[0], e[1], (e[2]-e[0]+s-1)//s+e[0], (e[3]-e[1]+s-1)//s+e[1] - self.size = ((self.size[0]+s-1)//s, (self.size[1]+s-1)//s) - scale = s - - self.tile = [(d, e, o, a)] - self.decoderconfig = (scale, 0) - - return self - - def load_djpeg(self): - - # ALTERNATIVE: handle JPEGs via the IJG command line utilities - - import subprocess - import tempfile - import os - f, path = tempfile.mkstemp() - os.close(f) - if os.path.exists(self.filename): - subprocess.check_call(["djpeg", "-outfile", path, self.filename]) - else: - raise ValueError("Invalid Filename") - - try: - _im = Image.open(path) - _im.load() - self.im = _im.im - finally: - try: - os.unlink(path) - except OSError: - pass - - self.mode = self.im.mode - self.size = self.im.size - - self.tile = [] - - def _getexif(self): - return _getexif(self) - - def _getmp(self): - return _getmp(self) - - -def _fixup_dict(src_dict): - # Helper function for _getexif() - # returns a dict with any single item tuples/lists as individual values - def _fixup(value): - try: - if len(value) == 1 and not isinstance(value, dict): - return value[0] - except: pass - return value - - return dict([(k, _fixup(v)) for k, v in src_dict.items()]) - - -def _getexif(self): - # Extract EXIF information. This method is highly experimental, - # and is likely to be replaced with something better in a future - # version. - - # The EXIF record consists of a TIFF file embedded in a JPEG - # application marker (!). - try: - data = self.info["exif"] - except KeyError: - return None - file = io.BytesIO(data[6:]) - head = file.read(8) - # process dictionary - info = TiffImagePlugin.ImageFileDirectory_v1(head) - info.load(file) - exif = dict(_fixup_dict(info)) - # get exif extension - try: - # exif field 0x8769 is an offset pointer to the location - # of the nested embedded exif ifd. - # It should be a long, but may be corrupted. - file.seek(exif[0x8769]) - except (KeyError, TypeError): - pass - else: - info = TiffImagePlugin.ImageFileDirectory_v1(head) - info.load(file) - exif.update(_fixup_dict(info)) - # get gpsinfo extension - try: - # exif field 0x8825 is an offset pointer to the location - # of the nested embedded gps exif ifd. - # It should be a long, but may be corrupted. - file.seek(exif[0x8825]) - except (KeyError, TypeError): - pass - else: - info = TiffImagePlugin.ImageFileDirectory_v1(head) - info.load(file) - exif[0x8825] = _fixup_dict(info) - - return exif - - -def _getmp(self): - # Extract MP information. This method was inspired by the "highly - # experimental" _getexif version that's been in use for years now, - # itself based on the ImageFileDirectory class in the TIFF plug-in. - - # The MP record essentially consists of a TIFF file embedded in a JPEG - # application marker. - try: - data = self.info["mp"] - except KeyError: - return None - file_contents = io.BytesIO(data) - head = file_contents.read(8) - endianness = '>' if head[:4] == b'\x4d\x4d\x00\x2a' else '<' - # process dictionary - try: - info = TiffImagePlugin.ImageFileDirectory_v2(head) - info.load(file_contents) - mp = dict(info) - except: - raise SyntaxError("malformed MP Index (unreadable directory)") - # it's an error not to have a number of images - try: - quant = mp[0xB001] - except KeyError: - raise SyntaxError("malformed MP Index (no number of images)") - # get MP entries - mpentries = [] - try: - rawmpentries = mp[0xB002] - for entrynum in range(0, quant): - unpackedentry = unpack_from( - '{0}LLLHH'.format(endianness), rawmpentries, entrynum * 16) - labels = ('Attribute', 'Size', 'DataOffset', 'EntryNo1', - 'EntryNo2') - mpentry = dict(zip(labels, unpackedentry)) - mpentryattr = { - 'DependentParentImageFlag': bool(mpentry['Attribute'] & - (1 << 31)), - 'DependentChildImageFlag': bool(mpentry['Attribute'] & - (1 << 30)), - 'RepresentativeImageFlag': bool(mpentry['Attribute'] & - (1 << 29)), - 'Reserved': (mpentry['Attribute'] & (3 << 27)) >> 27, - 'ImageDataFormat': (mpentry['Attribute'] & (7 << 24)) >> 24, - 'MPType': mpentry['Attribute'] & 0x00FFFFFF - } - if mpentryattr['ImageDataFormat'] == 0: - mpentryattr['ImageDataFormat'] = 'JPEG' - else: - raise SyntaxError("unsupported picture format in MPO") - mptypemap = { - 0x000000: 'Undefined', - 0x010001: 'Large Thumbnail (VGA Equivalent)', - 0x010002: 'Large Thumbnail (Full HD Equivalent)', - 0x020001: 'Multi-Frame Image (Panorama)', - 0x020002: 'Multi-Frame Image: (Disparity)', - 0x020003: 'Multi-Frame Image: (Multi-Angle)', - 0x030000: 'Baseline MP Primary Image' - } - mpentryattr['MPType'] = mptypemap.get(mpentryattr['MPType'], - 'Unknown') - mpentry['Attribute'] = mpentryattr - mpentries.append(mpentry) - mp[0xB002] = mpentries - except KeyError: - raise SyntaxError("malformed MP Index (bad MP Entry)") - # Next we should try and parse the individual image unique ID list; - # we don't because I've never seen this actually used in a real MPO - # file and so can't test it. - return mp - - -# -------------------------------------------------------------------- -# stuff to save JPEG files - -RAWMODE = { - "1": "L", - "L": "L", - "RGB": "RGB", - "RGBA": "RGB", - "RGBX": "RGB", - "CMYK": "CMYK;I", # assume adobe conventions - "YCbCr": "YCbCr", -} - -zigzag_index = (0, 1, 5, 6, 14, 15, 27, 28, - 2, 4, 7, 13, 16, 26, 29, 42, - 3, 8, 12, 17, 25, 30, 41, 43, - 9, 11, 18, 24, 31, 40, 44, 53, - 10, 19, 23, 32, 39, 45, 52, 54, - 20, 22, 33, 38, 46, 51, 55, 60, - 21, 34, 37, 47, 50, 56, 59, 61, - 35, 36, 48, 49, 57, 58, 62, 63) - -samplings = {(1, 1, 1, 1, 1, 1): 0, - (2, 1, 1, 1, 1, 1): 1, - (2, 2, 1, 1, 1, 1): 2, - } - - -def convert_dict_qtables(qtables): - qtables = [qtables[key] for key in range(len(qtables)) if key in qtables] - for idx, table in enumerate(qtables): - qtables[idx] = [table[i] for i in zigzag_index] - return qtables - - -def get_sampling(im): - # There's no subsampling when image have only 1 layer - # (grayscale images) or when they are CMYK (4 layers), - # so set subsampling to default value. - # - # NOTE: currently Pillow can't encode JPEG to YCCK format. - # If YCCK support is added in the future, subsampling code will have - # to be updated (here and in JpegEncode.c) to deal with 4 layers. - if not hasattr(im, 'layers') or im.layers in (1, 4): - return -1 - sampling = im.layer[0][1:3] + im.layer[1][1:3] + im.layer[2][1:3] - return samplings.get(sampling, -1) - - -def _save(im, fp, filename): - - try: - rawmode = RAWMODE[im.mode] - except KeyError: - raise IOError("cannot write mode %s as JPEG" % im.mode) - - if im.mode == 'RGBA': - warnings.warn( - 'You are saving RGBA image as JPEG. The alpha channel will be ' - 'discarded. This conversion is deprecated and will be disabled ' - 'in Pillow 3.7. Please, convert the image to RGB explicitly.', - DeprecationWarning - ) - - info = im.encoderinfo - - dpi = [int(round(x)) for x in info.get("dpi", (0, 0))] - - quality = info.get("quality", 0) - subsampling = info.get("subsampling", -1) - qtables = info.get("qtables") - - if quality == "keep": - quality = 0 - subsampling = "keep" - qtables = "keep" - elif quality in presets: - preset = presets[quality] - quality = 0 - subsampling = preset.get('subsampling', -1) - qtables = preset.get('quantization') - elif not isinstance(quality, int): - raise ValueError("Invalid quality setting") - else: - if subsampling in presets: - subsampling = presets[subsampling].get('subsampling', -1) - if isStringType(qtables) and qtables in presets: - qtables = presets[qtables].get('quantization') - - if subsampling == "4:4:4": - subsampling = 0 - elif subsampling == "4:2:2": - subsampling = 1 - elif subsampling == "4:1:1": - subsampling = 2 - elif subsampling == "keep": - if im.format != "JPEG": - raise ValueError( - "Cannot use 'keep' when original image is not a JPEG") - subsampling = get_sampling(im) - - def validate_qtables(qtables): - if qtables is None: - return qtables - if isStringType(qtables): - try: - lines = [int(num) for line in qtables.splitlines() - for num in line.split('#', 1)[0].split()] - except ValueError: - raise ValueError("Invalid quantization table") - else: - qtables = [lines[s:s+64] for s in range(0, len(lines), 64)] - if isinstance(qtables, (tuple, list, dict)): - if isinstance(qtables, dict): - qtables = convert_dict_qtables(qtables) - elif isinstance(qtables, tuple): - qtables = list(qtables) - if not (0 < len(qtables) < 5): - raise ValueError("None or too many quantization tables") - for idx, table in enumerate(qtables): - try: - if len(table) != 64: - raise - table = array.array('B', table) - except TypeError: - raise ValueError("Invalid quantization table") - else: - qtables[idx] = list(table) - return qtables - - if qtables == "keep": - if im.format != "JPEG": - raise ValueError( - "Cannot use 'keep' when original image is not a JPEG") - qtables = getattr(im, "quantization", None) - qtables = validate_qtables(qtables) - - extra = b"" - - icc_profile = info.get("icc_profile") - if icc_profile: - ICC_OVERHEAD_LEN = 14 - MAX_BYTES_IN_MARKER = 65533 - MAX_DATA_BYTES_IN_MARKER = MAX_BYTES_IN_MARKER - ICC_OVERHEAD_LEN - markers = [] - while icc_profile: - markers.append(icc_profile[:MAX_DATA_BYTES_IN_MARKER]) - icc_profile = icc_profile[MAX_DATA_BYTES_IN_MARKER:] - i = 1 - for marker in markers: - size = struct.pack(">H", 2 + ICC_OVERHEAD_LEN + len(marker)) - extra += (b"\xFF\xE2" + size + b"ICC_PROFILE\0" + o8(i) + - o8(len(markers)) + marker) - i += 1 - - # "progressive" is the official name, but older documentation - # says "progression" - # FIXME: issue a warning if the wrong form is used (post-1.1.7) - progressive = info.get("progressive", False) or\ - info.get("progression", False) - - optimize = info.get("optimize", False) - - # get keyword arguments - im.encoderconfig = ( - quality, - progressive, - info.get("smooth", 0), - optimize, - info.get("streamtype", 0), - dpi[0], dpi[1], - subsampling, - qtables, - extra, - info.get("exif", b"") - ) - - # if we optimize, libjpeg needs a buffer big enough to hold the whole image - # in a shot. Guessing on the size, at im.size bytes. (raw pizel size is - # channels*size, this is a value that's been used in a django patch. - # https://github.com/matthewwithanm/django-imagekit/issues/50 - bufsize = 0 - if optimize or progressive: - # keep sets quality to 0, but the actual value may be high. - if quality >= 95 or quality == 0: - bufsize = 2 * im.size[0] * im.size[1] - else: - bufsize = im.size[0] * im.size[1] - - # The exif info needs to be written as one block, + APP1, + one spare byte. - # Ensure that our buffer is big enough - bufsize = max(ImageFile.MAXBLOCK, bufsize, len(info.get("exif", b"")) + 5) - - ImageFile._save(im, fp, [("jpeg", (0, 0)+im.size, 0, rawmode)], bufsize) - - -def _save_cjpeg(im, fp, filename): - # ALTERNATIVE: handle JPEGs via the IJG command line utilities. - import os - import subprocess - tempfile = im._dump() - subprocess.check_call(["cjpeg", "-outfile", filename, tempfile]) - try: - os.unlink(tempfile) - except OSError: - pass - - -## -# Factory for making JPEG and MPO instances -def jpeg_factory(fp=None, filename=None): - im = JpegImageFile(fp, filename) - try: - mpheader = im._getmp() - if mpheader[45057] > 1: - # It's actually an MPO - from .MpoImagePlugin import MpoImageFile - im = MpoImageFile(fp, filename) - except (TypeError, IndexError): - # It is really a JPEG - pass - except SyntaxError: - warnings.warn("Image appears to be a malformed MPO file, it will be " - "interpreted as a base JPEG file") - return im - - -# -------------------------------------------------------------------q- -# Registry stuff - -Image.register_open(JpegImageFile.format, jpeg_factory, _accept) -Image.register_save(JpegImageFile.format, _save) - -Image.register_extension(JpegImageFile.format, ".jfif") -Image.register_extension(JpegImageFile.format, ".jpe") -Image.register_extension(JpegImageFile.format, ".jpg") -Image.register_extension(JpegImageFile.format, ".jpeg") - -Image.register_mime(JpegImageFile.format, "image/jpeg") diff --git a/PIL/JpegPresets.py b/PIL/JpegPresets.py deleted file mode 100644 index ece33bbbea7..00000000000 --- a/PIL/JpegPresets.py +++ /dev/null @@ -1,241 +0,0 @@ -""" -JPEG quality settings equivalent to the Photoshop settings. - -More presets can be added to the presets dict if needed. - -Can be use when saving JPEG file. - -To apply the preset, specify:: - - quality="preset_name" - -To apply only the quantization table:: - - qtables="preset_name" - -To apply only the subsampling setting:: - - subsampling="preset_name" - -Example:: - - im.save("image_name.jpg", quality="web_high") - - -Subsampling ------------ - -Subsampling is the practice of encoding images by implementing less resolution -for chroma information than for luma information. -(ref.: https://en.wikipedia.org/wiki/Chroma_subsampling) - -Possible subsampling values are 0, 1 and 2 that correspond to 4:4:4, 4:2:2 and -4:1:1 (or 4:2:0?). - -You can get the subsampling of a JPEG with the -`JpegImagePlugin.get_subsampling(im)` function. - - -Quantization tables -------------------- - -They are values use by the DCT (Discrete cosine transform) to remove -*unnecessary* information from the image (the lossy part of the compression). -(ref.: https://en.wikipedia.org/wiki/Quantization_matrix#Quantization_matrices, -https://en.wikipedia.org/wiki/JPEG#Quantization) - -You can get the quantization tables of a JPEG with:: - - im.quantization - -This will return a dict with a number of arrays. You can pass this dict -directly as the qtables argument when saving a JPEG. - -The tables format between im.quantization and quantization in presets differ in -3 ways: - -1. The base container of the preset is a list with sublists instead of dict. - dict[0] -> list[0], dict[1] -> list[1], ... -2. Each table in a preset is a list instead of an array. -3. The zigzag order is remove in the preset (needed by libjpeg >= 6a). - -You can convert the dict format to the preset format with the -`JpegImagePlugin.convert_dict_qtables(dict_qtables)` function. - -Libjpeg ref.: http://web.archive.org/web/20120328125543/http://www.jpegcameras.com/libjpeg/libjpeg-3.html - -""" - -presets = { - 'web_low': {'subsampling': 2, # "4:1:1" - 'quantization': [ - [20, 16, 25, 39, 50, 46, 62, 68, - 16, 18, 23, 38, 38, 53, 65, 68, - 25, 23, 31, 38, 53, 65, 68, 68, - 39, 38, 38, 53, 65, 68, 68, 68, - 50, 38, 53, 65, 68, 68, 68, 68, - 46, 53, 65, 68, 68, 68, 68, 68, - 62, 65, 68, 68, 68, 68, 68, 68, - 68, 68, 68, 68, 68, 68, 68, 68], - [21, 25, 32, 38, 54, 68, 68, 68, - 25, 28, 24, 38, 54, 68, 68, 68, - 32, 24, 32, 43, 66, 68, 68, 68, - 38, 38, 43, 53, 68, 68, 68, 68, - 54, 54, 66, 68, 68, 68, 68, 68, - 68, 68, 68, 68, 68, 68, 68, 68, - 68, 68, 68, 68, 68, 68, 68, 68, - 68, 68, 68, 68, 68, 68, 68, 68] - ]}, - 'web_medium': {'subsampling': 2, # "4:1:1" - 'quantization': [ - [16, 11, 11, 16, 23, 27, 31, 30, - 11, 12, 12, 15, 20, 23, 23, 30, - 11, 12, 13, 16, 23, 26, 35, 47, - 16, 15, 16, 23, 26, 37, 47, 64, - 23, 20, 23, 26, 39, 51, 64, 64, - 27, 23, 26, 37, 51, 64, 64, 64, - 31, 23, 35, 47, 64, 64, 64, 64, - 30, 30, 47, 64, 64, 64, 64, 64], - [17, 15, 17, 21, 20, 26, 38, 48, - 15, 19, 18, 17, 20, 26, 35, 43, - 17, 18, 20, 22, 26, 30, 46, 53, - 21, 17, 22, 28, 30, 39, 53, 64, - 20, 20, 26, 30, 39, 48, 64, 64, - 26, 26, 30, 39, 48, 63, 64, 64, - 38, 35, 46, 53, 64, 64, 64, 64, - 48, 43, 53, 64, 64, 64, 64, 64] - ]}, - 'web_high': {'subsampling': 0, # "4:4:4" - 'quantization': [ - [6, 4, 4, 6, 9, 11, 12, 16, - 4, 5, 5, 6, 8, 10, 12, 12, - 4, 5, 5, 6, 10, 12, 14, 19, - 6, 6, 6, 11, 12, 15, 19, 28, - 9, 8, 10, 12, 16, 20, 27, 31, - 11, 10, 12, 15, 20, 27, 31, 31, - 12, 12, 14, 19, 27, 31, 31, 31, - 16, 12, 19, 28, 31, 31, 31, 31], - [7, 7, 13, 24, 26, 31, 31, 31, - 7, 12, 16, 21, 31, 31, 31, 31, - 13, 16, 17, 31, 31, 31, 31, 31, - 24, 21, 31, 31, 31, 31, 31, 31, - 26, 31, 31, 31, 31, 31, 31, 31, - 31, 31, 31, 31, 31, 31, 31, 31, - 31, 31, 31, 31, 31, 31, 31, 31, - 31, 31, 31, 31, 31, 31, 31, 31] - ]}, - 'web_very_high': {'subsampling': 0, # "4:4:4" - 'quantization': [ - [2, 2, 2, 2, 3, 4, 5, 6, - 2, 2, 2, 2, 3, 4, 5, 6, - 2, 2, 2, 2, 4, 5, 7, 9, - 2, 2, 2, 4, 5, 7, 9, 12, - 3, 3, 4, 5, 8, 10, 12, 12, - 4, 4, 5, 7, 10, 12, 12, 12, - 5, 5, 7, 9, 12, 12, 12, 12, - 6, 6, 9, 12, 12, 12, 12, 12], - [3, 3, 5, 9, 13, 15, 15, 15, - 3, 4, 6, 11, 14, 12, 12, 12, - 5, 6, 9, 14, 12, 12, 12, 12, - 9, 11, 14, 12, 12, 12, 12, 12, - 13, 14, 12, 12, 12, 12, 12, 12, - 15, 12, 12, 12, 12, 12, 12, 12, - 15, 12, 12, 12, 12, 12, 12, 12, - 15, 12, 12, 12, 12, 12, 12, 12] - ]}, - 'web_maximum': {'subsampling': 0, # "4:4:4" - 'quantization': [ - [1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 2, - 1, 1, 1, 1, 1, 1, 2, 2, - 1, 1, 1, 1, 1, 2, 2, 3, - 1, 1, 1, 1, 2, 2, 3, 3, - 1, 1, 1, 2, 2, 3, 3, 3, - 1, 1, 2, 2, 3, 3, 3, 3], - [1, 1, 1, 2, 2, 3, 3, 3, - 1, 1, 1, 2, 3, 3, 3, 3, - 1, 1, 1, 3, 3, 3, 3, 3, - 2, 2, 3, 3, 3, 3, 3, 3, - 2, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 3, 3] - ]}, - 'low': {'subsampling': 2, # "4:1:1" - 'quantization': [ - [18, 14, 14, 21, 30, 35, 34, 17, - 14, 16, 16, 19, 26, 23, 12, 12, - 14, 16, 17, 21, 23, 12, 12, 12, - 21, 19, 21, 23, 12, 12, 12, 12, - 30, 26, 23, 12, 12, 12, 12, 12, - 35, 23, 12, 12, 12, 12, 12, 12, - 34, 12, 12, 12, 12, 12, 12, 12, - 17, 12, 12, 12, 12, 12, 12, 12], - [20, 19, 22, 27, 20, 20, 17, 17, - 19, 25, 23, 14, 14, 12, 12, 12, - 22, 23, 14, 14, 12, 12, 12, 12, - 27, 14, 14, 12, 12, 12, 12, 12, - 20, 14, 12, 12, 12, 12, 12, 12, - 20, 12, 12, 12, 12, 12, 12, 12, - 17, 12, 12, 12, 12, 12, 12, 12, - 17, 12, 12, 12, 12, 12, 12, 12] - ]}, - 'medium': {'subsampling': 2, # "4:1:1" - 'quantization': [ - [12, 8, 8, 12, 17, 21, 24, 17, - 8, 9, 9, 11, 15, 19, 12, 12, - 8, 9, 10, 12, 19, 12, 12, 12, - 12, 11, 12, 21, 12, 12, 12, 12, - 17, 15, 19, 12, 12, 12, 12, 12, - 21, 19, 12, 12, 12, 12, 12, 12, - 24, 12, 12, 12, 12, 12, 12, 12, - 17, 12, 12, 12, 12, 12, 12, 12], - [13, 11, 13, 16, 20, 20, 17, 17, - 11, 14, 14, 14, 14, 12, 12, 12, - 13, 14, 14, 14, 12, 12, 12, 12, - 16, 14, 14, 12, 12, 12, 12, 12, - 20, 14, 12, 12, 12, 12, 12, 12, - 20, 12, 12, 12, 12, 12, 12, 12, - 17, 12, 12, 12, 12, 12, 12, 12, - 17, 12, 12, 12, 12, 12, 12, 12] - ]}, - 'high': {'subsampling': 0, # "4:4:4" - 'quantization': [ - [6, 4, 4, 6, 9, 11, 12, 16, - 4, 5, 5, 6, 8, 10, 12, 12, - 4, 5, 5, 6, 10, 12, 12, 12, - 6, 6, 6, 11, 12, 12, 12, 12, - 9, 8, 10, 12, 12, 12, 12, 12, - 11, 10, 12, 12, 12, 12, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 12, - 16, 12, 12, 12, 12, 12, 12, 12], - [7, 7, 13, 24, 20, 20, 17, 17, - 7, 12, 16, 14, 14, 12, 12, 12, - 13, 16, 14, 14, 12, 12, 12, 12, - 24, 14, 14, 12, 12, 12, 12, 12, - 20, 14, 12, 12, 12, 12, 12, 12, - 20, 12, 12, 12, 12, 12, 12, 12, - 17, 12, 12, 12, 12, 12, 12, 12, - 17, 12, 12, 12, 12, 12, 12, 12] - ]}, - 'maximum': {'subsampling': 0, # "4:4:4" - 'quantization': [ - [2, 2, 2, 2, 3, 4, 5, 6, - 2, 2, 2, 2, 3, 4, 5, 6, - 2, 2, 2, 2, 4, 5, 7, 9, - 2, 2, 2, 4, 5, 7, 9, 12, - 3, 3, 4, 5, 8, 10, 12, 12, - 4, 4, 5, 7, 10, 12, 12, 12, - 5, 5, 7, 9, 12, 12, 12, 12, - 6, 6, 9, 12, 12, 12, 12, 12], - [3, 3, 5, 9, 13, 15, 15, 15, - 3, 4, 6, 10, 14, 12, 12, 12, - 5, 6, 9, 14, 12, 12, 12, 12, - 9, 10, 14, 12, 12, 12, 12, 12, - 13, 14, 12, 12, 12, 12, 12, 12, - 15, 12, 12, 12, 12, 12, 12, 12, - 15, 12, 12, 12, 12, 12, 12, 12, - 15, 12, 12, 12, 12, 12, 12, 12] - ]}, -} diff --git a/PIL/MicImagePlugin.py b/PIL/MicImagePlugin.py deleted file mode 100644 index 3c912442b8c..00000000000 --- a/PIL/MicImagePlugin.py +++ /dev/null @@ -1,103 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# Microsoft Image Composer support for PIL -# -# Notes: -# uses TiffImagePlugin.py to read the actual image streams -# -# History: -# 97-01-20 fl Created -# -# Copyright (c) Secret Labs AB 1997. -# Copyright (c) Fredrik Lundh 1997. -# -# See the README file for information on usage and redistribution. -# - - -from PIL import Image, TiffImagePlugin -from PIL.OleFileIO import MAGIC, OleFileIO - -__version__ = "0.1" - - -# -# -------------------------------------------------------------------- - - -def _accept(prefix): - return prefix[:8] == MAGIC - - -## -# Image plugin for Microsoft's Image Composer file format. - -class MicImageFile(TiffImagePlugin.TiffImageFile): - - format = "MIC" - format_description = "Microsoft Image Composer" - - def _open(self): - - # read the OLE directory and see if this is a likely - # to be a Microsoft Image Composer file - - try: - self.ole = OleFileIO(self.fp) - except IOError: - raise SyntaxError("not an MIC file; invalid OLE file") - - # find ACI subfiles with Image members (maybe not the - # best way to identify MIC files, but what the... ;-) - - self.images = [] - for path in self.ole.listdir(): - if path[1:] and path[0][-4:] == ".ACI" and path[1] == "Image": - self.images.append(path) - - # if we didn't find any images, this is probably not - # an MIC file. - if not self.images: - raise SyntaxError("not an MIC file; no image entries") - - self.__fp = self.fp - self.frame = 0 - - if len(self.images) > 1: - self.category = Image.CONTAINER - - self.seek(0) - - @property - def n_frames(self): - return len(self.images) - - @property - def is_animated(self): - return len(self.images) > 1 - - def seek(self, frame): - - try: - filename = self.images[frame] - except IndexError: - raise EOFError("no such frame") - - self.fp = self.ole.openstream(filename) - - TiffImagePlugin.TiffImageFile._open(self) - - self.frame = frame - - def tell(self): - - return self.frame - -# -# -------------------------------------------------------------------- - -Image.register_open(MicImageFile.format, MicImageFile, _accept) - -Image.register_extension(MicImageFile.format, ".mic") diff --git a/PIL/MpoImagePlugin.py b/PIL/MpoImagePlugin.py deleted file mode 100644 index 1d26021d801..00000000000 --- a/PIL/MpoImagePlugin.py +++ /dev/null @@ -1,99 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# MPO file handling -# -# See "Multi-Picture Format" (CIPA DC-007-Translation 2009, Standard of the -# Camera & Imaging Products Association) -# -# The multi-picture object combines multiple JPEG images (with a modified EXIF -# data format) into a single file. While it can theoretically be used much like -# a GIF animation, it is commonly used to represent 3D photographs and is (as -# of this writing) the most commonly used format by 3D cameras. -# -# History: -# 2014-03-13 Feneric Created -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image, JpegImagePlugin - -__version__ = "0.1" - - -def _accept(prefix): - return JpegImagePlugin._accept(prefix) - - -def _save(im, fp, filename): - # Note that we can only save the current frame at present - return JpegImagePlugin._save(im, fp, filename) - - -## -# Image plugin for MPO images. - -class MpoImageFile(JpegImagePlugin.JpegImageFile): - - format = "MPO" - format_description = "MPO (CIPA DC-007)" - - def _open(self): - self.fp.seek(0) # prep the fp in order to pass the JPEG test - JpegImagePlugin.JpegImageFile._open(self) - self.mpinfo = self._getmp() - self.__framecount = self.mpinfo[0xB001] - self.__mpoffsets = [mpent['DataOffset'] + self.info['mpoffset'] - for mpent in self.mpinfo[0xB002]] - self.__mpoffsets[0] = 0 - # Note that the following assertion will only be invalid if something - # gets broken within JpegImagePlugin. - assert self.__framecount == len(self.__mpoffsets) - del self.info['mpoffset'] # no longer needed - self.__fp = self.fp # FIXME: hack - self.__fp.seek(self.__mpoffsets[0]) # get ready to read first frame - self.__frame = 0 - self.offset = 0 - # for now we can only handle reading and individual frame extraction - self.readonly = 1 - - def load_seek(self, pos): - self.__fp.seek(pos) - - @property - def n_frames(self): - return self.__framecount - - @property - def is_animated(self): - return self.__framecount > 1 - - def seek(self, frame): - if frame < 0 or frame >= self.__framecount: - raise EOFError("no more images in MPO file") - else: - self.fp = self.__fp - self.offset = self.__mpoffsets[frame] - self.tile = [ - ("jpeg", (0, 0) + self.size, self.offset, (self.mode, "")) - ] - self.__frame = frame - - def tell(self): - return self.__frame - - -# -------------------------------------------------------------------q- -# Registry stuff - -# Note that since MPO shares a factory with JPEG, we do not need to do a -# separate registration for it here. -# Image.register_open(MpoImageFile.format, -# JpegImagePlugin.jpeg_factory, _accept) -Image.register_save(MpoImageFile.format, _save) - -Image.register_extension(MpoImageFile.format, ".mpo") - -Image.register_mime(MpoImageFile.format, "image/mpo") diff --git a/PIL/MspImagePlugin.py b/PIL/MspImagePlugin.py deleted file mode 100644 index 85f8e764b97..00000000000 --- a/PIL/MspImagePlugin.py +++ /dev/null @@ -1,104 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# MSP file handling -# -# This is the format used by the Paint program in Windows 1 and 2. -# -# History: -# 95-09-05 fl Created -# 97-01-03 fl Read/write MSP images -# -# Copyright (c) Secret Labs AB 1997. -# Copyright (c) Fredrik Lundh 1995-97. -# -# See the README file for information on usage and redistribution. -# - - -from PIL import Image, ImageFile, _binary - -__version__ = "0.1" - - -# -# read MSP files - -i16 = _binary.i16le - - -def _accept(prefix): - return prefix[:4] in [b"DanM", b"LinS"] - - -## -# Image plugin for Windows MSP images. This plugin supports both -# uncompressed (Windows 1.0). - -class MspImageFile(ImageFile.ImageFile): - - format = "MSP" - format_description = "Windows Paint" - - def _open(self): - - # Header - s = self.fp.read(32) - if s[:4] not in [b"DanM", b"LinS"]: - raise SyntaxError("not an MSP file") - - # Header checksum - checksum = 0 - for i in range(0, 32, 2): - checksum = checksum ^ i16(s[i:i+2]) - if checksum != 0: - raise SyntaxError("bad MSP checksum") - - self.mode = "1" - self.size = i16(s[4:]), i16(s[6:]) - - if s[:4] == b"DanM": - self.tile = [("raw", (0, 0)+self.size, 32, ("1", 0, 1))] - else: - self.tile = [("msp", (0, 0)+self.size, 32+2*self.size[1], None)] - -# -# write MSP files (uncompressed only) - -o16 = _binary.o16le - - -def _save(im, fp, filename): - - if im.mode != "1": - raise IOError("cannot write mode %s as MSP" % im.mode) - - # create MSP header - header = [0] * 16 - - header[0], header[1] = i16(b"Da"), i16(b"nM") # version 1 - header[2], header[3] = im.size - header[4], header[5] = 1, 1 - header[6], header[7] = 1, 1 - header[8], header[9] = im.size - - checksum = 0 - for h in header: - checksum = checksum ^ h - header[12] = checksum # FIXME: is this the right field? - - # header - for h in header: - fp.write(o16(h)) - - # image body - ImageFile._save(im, fp, [("raw", (0, 0)+im.size, 32, ("1", 0, 1))]) - -# -# registry - -Image.register_open(MspImageFile.format, MspImageFile, _accept) -Image.register_save(MspImageFile.format, _save) - -Image.register_extension(MspImageFile.format, ".msp") diff --git a/PIL/OleFileIO-README.md b/PIL/OleFileIO-README.md deleted file mode 100644 index 35e028265d4..00000000000 --- a/PIL/OleFileIO-README.md +++ /dev/null @@ -1,180 +0,0 @@ -olefile (formerly OleFileIO_PL) -=============================== - -[olefile](http://www.decalage.info/olefile) is a Python package to parse, read and write -[Microsoft OLE2 files](http://en.wikipedia.org/wiki/Compound_File_Binary_Format) -(also called Structured Storage, Compound File Binary Format or Compound Document File Format), -such as Microsoft Office 97-2003 documents, vbaProject.bin in MS Office 2007+ files, Image Composer -and FlashPix files, Outlook messages, StickyNotes, several Microscopy file formats, McAfee antivirus quarantine files, -etc. - - -**Quick links:** [Home page](http://www.decalage.info/olefile) - -[Download/Install](https://bitbucket.org/decalage/olefileio_pl/wiki/Install) - -[Documentation](https://bitbucket.org/decalage/olefileio_pl/wiki) - -[Report Issues/Suggestions/Questions](https://bitbucket.org/decalage/olefileio_pl/issues?status=new&status=open) - -[Contact the author](http://decalage.info/contact) - -[Repository](https://bitbucket.org/decalage/olefileio_pl) - -[Updates on Twitter](https://twitter.com/decalage2) - - -News ----- - -Follow all updates and news on Twitter: - -- **2015-01-25 v0.42**: improved handling of special characters in stream/storage names on Python 2.x (using UTF-8 - instead of Latin-1), fixed bug in listdir with empty storages. -- 2014-11-25 v0.41: OleFileIO.open and isOleFile now support OLE files stored in byte strings, fixed installer for - python 3, added support for Jython (Niko Ehrenfeuchter) -- 2014-10-01 v0.40: renamed OleFileIO_PL to olefile, added initial write support for streams >4K, updated doc and - license, improved the setup script. -- 2014-07-27 v0.31: fixed support for large files with 4K sectors, thanks to Niko Ehrenfeuchter, Martijn Berger and - Dave Jones. Added test scripts from Pillow (by hugovk). Fixed setup for Python 3 (Martin Panter) -- 2014-02-04 v0.30: now compatible with Python 3.x, thanks to Martin Panter who did most of the hard work. -- 2013-07-24 v0.26: added methods to parse stream/storage timestamps, improved listdir to include storages, fixed - parsing of direntry timestamps -- 2013-05-27 v0.25: improved metadata extraction, properties parsing and exception handling, fixed - [issue #12](https://bitbucket.org/decalage/olefileio_pl/issue/12/error-when-converting-timestamps-in-ole) -- 2013-05-07 v0.24: new features to extract metadata (get\_metadata method and OleMetadata class), improved - getproperties to convert timestamps to Python datetime -- 2012-10-09: published [python-oletools](http://www.decalage.info/python/oletools), a package of analysis tools based - on OleFileIO_PL -- 2012-09-11 v0.23: added support for file-like objects, fixed [issue #8](https://bitbucket.org/decalage/olefileio_pl/issue/8/bug-with-file-object) -- 2012-02-17 v0.22: fixed issues #7 (bug in getproperties) and #2 (added close method) -- 2011-10-20: code hosted on bitbucket to ease contributions and bug tracking -- 2010-01-24 v0.21: fixed support for big-endian CPUs, such as PowerPC Macs. -- 2009-12-11 v0.20: small bugfix in OleFileIO.open when filename is not plain str. -- 2009-12-10 v0.19: fixed support for 64 bits platforms (thanks to Ben G. and Martijn for reporting the bug) -- see changelog in source code for more info. - -Download/Install ----------------- - -If you have pip or setuptools installed (pip is included in Python 2.7.9+), you may simply run **pip install olefile** -or **easy_install olefile** for the first installation. - -To update olefile, run **pip install -U olefile**. - -Otherwise, see https://bitbucket.org/decalage/olefileio_pl/wiki/Install - -Features --------- - -- Parse, read and write any OLE file such as Microsoft Office 97-2003 legacy document formats (Word .doc, Excel .xls, - PowerPoint .ppt, Visio .vsd, Project .mpp), Image Composer and FlashPix files, Outlook messages, StickyNotes, - Zeiss AxioVision ZVI files, Olympus FluoView OIB files, etc -- List all the streams and storages contained in an OLE file -- Open streams as files -- Parse and read property streams, containing metadata of the file -- Portable, pure Python module, no dependency - -olefile can be used as an independent package or with PIL/Pillow. - -olefile is mostly meant for developers. If you are looking for tools to analyze OLE files or to extract data (especially -for security purposes such as malware analysis and forensics), then please also check my -[python-oletools](http://www.decalage.info/python/oletools), which are built upon olefile and provide a higher-level interface. - - -History -------- - -olefile is based on the OleFileIO module from [PIL](http://www.pythonware.com/products/pil/index.htm), the excellent -Python Imaging Library, created and maintained by Fredrik Lundh. The olefile API is still compatible with PIL, but -since 2005 I have improved the internal implementation significantly, with new features, bugfixes and a more robust -design. From 2005 to 2014 the project was called OleFileIO_PL, and in 2014 I changed its name to olefile to celebrate -its 9 years and its new write features. - -As far as I know, olefile is the most complete and robust Python implementation to read MS OLE2 files, portable on -several operating systems. (please tell me if you know other similar Python modules) - -Since 2014 olefile/OleFileIO_PL has been integrated into [Pillow](http://python-pillow.org), the friendly fork -of PIL. olefile will continue to be improved as a separate project, and new versions will be merged into Pillow -regularly. - - -Main improvements over the original version of OleFileIO in PIL: ----------------------------------------------------------------- - -- Compatible with Python 3.x and 2.6+ -- Many bug fixes -- Support for files larger than 6.8MB -- Support for 64 bits platforms and big-endian CPUs -- Robust: many checks to detect malformed files -- Runtime option to choose if malformed files should be parsed or raise exceptions -- Improved API -- Metadata extraction, stream/storage timestamps (e.g. for document forensics) -- Can open file-like objects -- Added setup.py and install.bat to ease installation -- More convenient slash-based syntax for stream paths -- Write features - -Documentation -------------- - -Please see the [online documentation](https://bitbucket.org/decalage/olefileio_pl/wiki) for more information, -especially the [OLE overview](https://bitbucket.org/decalage/olefileio_pl/wiki/OLE_Overview) and the -[API page](https://bitbucket.org/decalage/olefileio_pl/wiki/API) which describe how to use olefile in Python applications. -A copy of the same documentation is also provided in the doc subfolder of the olefile package. - - -## Real-life examples ## - -A real-life example: [using OleFileIO_PL for malware analysis and forensics](http://blog.gregback.net/2011/03/using-remnux-for-forensic-puzzle-6/). - -See also [this paper](https://computer-forensics.sans.org/community/papers/gcfa/grow-forensic-tools-taxonomy-python-libraries-helpful-forensic-analysis_6879) about python tools for forensics, which features olefile. - - -License -------- - -olefile (formerly OleFileIO_PL) is copyright (c) 2005-2015 Philippe Lagadec -([http://www.decalage.info](http://www.decalage.info)) - -All rights reserved. - -Redistribution and use in source and binary forms, with or without modification, -are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, this - list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright notice, - this list of conditions and the following disclaimer in the documentation - and/or other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE -FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - ----------- - -olefile is based on source code from the OleFileIO module of the Python Imaging Library (PIL) published by Fredrik -Lundh under the following license: - -The Python Imaging Library (PIL) is - - Copyright © 1997-2011 by Secret Labs AB - Copyright © 1995-2011 by Fredrik Lundh - -By obtaining, using, and/or copying this software and/or its associated documentation, you agree that you have read, -understood, and will comply with the following terms and conditions: - -Permission to use, copy, modify, and distribute this software and its associated documentation for any purpose and -without fee is hereby granted, provided that the above copyright notice appears in all copies, and that both that -copyright notice and this permission notice appear in supporting documentation, and that the name of Secret Labs AB or -the author not be used in advertising or publicity pertaining to distribution of the software without specific, written -prior permission. - -SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES -OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR -CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF -CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS -SOFTWARE. diff --git a/PIL/OleFileIO.py b/PIL/OleFileIO.py deleted file mode 100755 index 1998e3c10bd..00000000000 --- a/PIL/OleFileIO.py +++ /dev/null @@ -1,2305 +0,0 @@ -#!/usr/bin/env python - -# olefile (formerly OleFileIO_PL) version 0.42 2015-01-25 -# -# Module to read/write Microsoft OLE2 files (also called Structured Storage or -# Microsoft Compound Document File Format), such as Microsoft Office 97-2003 -# documents, Image Composer and FlashPix files, Outlook messages, ... -# This version is compatible with Python 2.6+ and 3.x -# -# Project website: http://www.decalage.info/olefile -# -# olefile is copyright (c) 2005-2015 Philippe Lagadec (http://www.decalage.info) -# -# olefile is based on the OleFileIO module from the PIL library v1.1.6 -# See: http://www.pythonware.com/products/pil/index.htm -# -# The Python Imaging Library (PIL) is -# Copyright (c) 1997-2005 by Secret Labs AB -# Copyright (c) 1995-2005 by Fredrik Lundh -# -# See source code and LICENSE.txt for information on usage and redistribution. - - -# Since OleFileIO_PL v0.30, only Python 2.6+ and 3.x is supported -# This import enables print() as a function rather than a keyword -# (main requirement to be compatible with Python 3.x) -# The comment on the line below should be printed on Python 2.5 or older: -from __future__ import print_function # This version of olefile requires Python 2.6+ or 3.x. - - -__author__ = "Philippe Lagadec" -__date__ = "2015-01-25" -__version__ = '0.42b' - -#--- LICENSE ------------------------------------------------------------------ - -# olefile (formerly OleFileIO_PL) is copyright (c) 2005-2015 Philippe Lagadec -# (http://www.decalage.info) -# -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without modification, -# are permitted provided that the following conditions are met: -# -# * Redistributions of source code must retain the above copyright notice, this -# list of conditions and the following disclaimer. -# * Redistributions in binary form must reproduce the above copyright notice, -# this list of conditions and the following disclaimer in the documentation -# and/or other materials provided with the distribution. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE -# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -# ---------- -# PIL License: -# -# olefile is based on source code from the OleFileIO module of the Python -# Imaging Library (PIL) published by Fredrik Lundh under the following license: - -# The Python Imaging Library (PIL) is -# Copyright (c) 1997-2005 by Secret Labs AB -# Copyright (c) 1995-2005 by Fredrik Lundh -# -# By obtaining, using, and/or copying this software and/or its associated -# documentation, you agree that you have read, understood, and will comply with -# the following terms and conditions: -# -# Permission to use, copy, modify, and distribute this software and its -# associated documentation for any purpose and without fee is hereby granted, -# provided that the above copyright notice appears in all copies, and that both -# that copyright notice and this permission notice appear in supporting -# documentation, and that the name of Secret Labs AB or the author(s) not be used -# in advertising or publicity pertaining to distribution of the software -# without specific, written prior permission. -# -# SECRET LABS AB AND THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS -# SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. -# IN NO EVENT SHALL SECRET LABS AB OR THE AUTHORS BE LIABLE FOR ANY SPECIAL, -# INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM -# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR -# OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR -# PERFORMANCE OF THIS SOFTWARE. - -#----------------------------------------------------------------------------- -# CHANGELOG: (only olefile/OleFileIO_PL changes compared to PIL 1.1.6) -# 2005-05-11 v0.10 PL: - a few fixes for Python 2.4 compatibility -# (all changes flagged with [PL]) -# 2006-02-22 v0.11 PL: - a few fixes for some Office 2003 documents which raise -# exceptions in _OleStream.__init__() -# 2006-06-09 v0.12 PL: - fixes for files above 6.8MB (DIFAT in loadfat) -# - added some constants -# - added header values checks -# - added some docstrings -# - getsect: bugfix in case sectors >512 bytes -# - getsect: added conformity checks -# - DEBUG_MODE constant to activate debug display -# 2007-09-04 v0.13 PL: - improved/translated (lots of) comments -# - updated license -# - converted tabs to 4 spaces -# 2007-11-19 v0.14 PL: - added OleFileIO._raise_defect() to adapt sensitivity -# - improved _unicode() to use Python 2.x unicode support -# - fixed bug in _OleDirectoryEntry -# 2007-11-25 v0.15 PL: - added safety checks to detect FAT loops -# - fixed _OleStream which didn't check stream size -# - added/improved many docstrings and comments -# - moved helper functions _unicode and _clsid out of -# OleFileIO class -# - improved OleFileIO._find() to add Unix path syntax -# - OleFileIO._find() is now case-insensitive -# - added get_type() and get_rootentry_name() -# - rewritten loaddirectory and _OleDirectoryEntry -# 2007-11-27 v0.16 PL: - added _OleDirectoryEntry.kids_dict -# - added detection of duplicate filenames in storages -# - added detection of duplicate references to streams -# - added get_size() and exists() to _OleDirectoryEntry -# - added isOleFile to check header before parsing -# - added __all__ list to control public keywords in pydoc -# 2007-12-04 v0.17 PL: - added _load_direntry to fix a bug in loaddirectory -# - improved _unicode(), added workarounds for Python <2.3 -# - added set_debug_mode and -d option to set debug mode -# - fixed bugs in OleFileIO.open and _OleDirectoryEntry -# - added safety check in main for large or binary -# properties -# - allow size>0 for storages for some implementations -# 2007-12-05 v0.18 PL: - fixed several bugs in handling of FAT, MiniFAT and -# streams -# - added option '-c' in main to check all streams -# 2009-12-10 v0.19 PL: - bugfix for 32 bit arrays on 64 bits platforms -# (thanks to Ben G. and Martijn for reporting the bug) -# 2009-12-11 v0.20 PL: - bugfix in OleFileIO.open when filename is not plain str -# 2010-01-22 v0.21 PL: - added support for big-endian CPUs such as PowerPC Macs -# 2012-02-16 v0.22 PL: - fixed bug in getproperties, patch by chuckleberryfinn -# (https://bitbucket.org/decalage/olefileio_pl/issue/7) -# - added close method to OleFileIO (fixed issue #2) -# 2012-07-25 v0.23 PL: - added support for file-like objects (patch by mete0r_kr) -# 2013-05-05 v0.24 PL: - getproperties: added conversion from filetime to python -# datetime -# - main: displays properties with date format -# - new class OleMetadata to parse standard properties -# - added get_metadata method -# 2013-05-07 v0.24 PL: - a few improvements in OleMetadata -# 2013-05-24 v0.25 PL: - getproperties: option to not convert some timestamps -# - OleMetaData: total_edit_time is now a number of seconds, -# not a timestamp -# - getproperties: added support for VT_BOOL, VT_INT, V_UINT -# - getproperties: filter out null chars from strings -# - getproperties: raise non-fatal defects instead of -# exceptions when properties cannot be parsed properly -# 2013-05-27 PL: - getproperties: improved exception handling -# - _raise_defect: added option to set exception type -# - all non-fatal issues are now recorded, and displayed -# when run as a script -# 2013-07-11 v0.26 PL: - added methods to get modification and creation times -# of a directory entry or a storage/stream -# - fixed parsing of direntry timestamps -# 2013-07-24 PL: - new options in listdir to list storages and/or streams -# 2014-02-04 v0.30 PL: - upgraded code to support Python 3.x by Martin Panter -# - several fixes for Python 2.6 (xrange, MAGIC) -# - reused i32 from Pillow's _binary -# 2014-07-18 v0.31 - preliminary support for 4K sectors -# 2014-07-27 v0.31 PL: - a few improvements in OleFileIO.open (header parsing) -# - Fixed loadfat for large files with 4K sectors (issue #3) -# 2014-07-30 v0.32 PL: - added write_sect to write sectors to disk -# - added write_mode option to OleFileIO.__init__ and open -# 2014-07-31 PL: - fixed padding in write_sect for Python 3, added checks -# - added write_stream to write a stream to disk -# 2014-09-26 v0.40 PL: - renamed OleFileIO_PL to olefile -# 2014-11-09 NE: - added support for Jython (Niko Ehrenfeuchter) -# 2014-11-13 v0.41 PL: - improved isOleFile and OleFileIO.open to support OLE -# data in a string buffer and file-like objects. -# 2014-11-21 PL: - updated comments according to Pillow's commits -# 2015-01-24 v0.42 PL: - changed the default path name encoding from Latin-1 -# to UTF-8 on Python 2.x (Unicode on Python 3.x) -# - added path_encoding option to override the default -# - fixed a bug in _list when a storage is empty - -#----------------------------------------------------------------------------- -# TODO (for version 1.0): -# + get rid of print statements, to simplify Python 2.x and 3.x support -# + add is_stream and is_storage -# + remove leading and trailing slashes where a path is used -# + add functions path_list2str and path_str2list -# + fix how all the methods handle unicode str and/or bytes as arguments -# + add path attrib to _OleDirEntry, set it once and for all in init or -# append_kids (then listdir/_list can be simplified) -# - TESTS with Linux, MacOSX, Python 1.5.2, various files, PIL, ... -# - add underscore to each private method, to avoid their display in -# pydoc/epydoc documentation - Remove it for classes to be documented -# - replace all raised exceptions with _raise_defect (at least in OleFileIO) -# - merge code from _OleStream and OleFileIO.getsect to read sectors -# (maybe add a class for FAT and MiniFAT ?) -# - add method to check all streams (follow sectors chains without storing all -# stream in memory, and report anomalies) -# - use _OleDirectoryEntry.kids_dict to improve _find and _list ? -# - fix Unicode names handling (find some way to stay compatible with Py1.5.2) -# => if possible avoid converting names to Latin-1 -# - review DIFAT code: fix handling of DIFSECT blocks in FAT (not stop) -# - rewrite OleFileIO.getproperties -# - improve docstrings to show more sample uses -# - see also original notes and FIXME below -# - remove all obsolete FIXMEs -# - OleMetadata: fix version attrib according to -# http://msdn.microsoft.com/en-us/library/dd945671%28v=office.12%29.aspx - -# IDEAS: -# - in OleFileIO._open and _OleStream, use size=None instead of 0x7FFFFFFF for -# streams with unknown size -# - use arrays of int instead of long integers for FAT/MiniFAT, to improve -# performance and reduce memory usage ? (possible issue with values >2^31) -# - provide tests with unittest (may need write support to create samples) -# - move all debug code (and maybe dump methods) to a separate module, with -# a class which inherits OleFileIO ? -# - fix docstrings to follow epydoc format -# - add support for big endian byte order ? -# - create a simple OLE explorer with wxPython - -# FUTURE EVOLUTIONS to add write support: -# see issue #6 on Bitbucket: -# https://bitbucket.org/decalage/olefileio_pl/issue/6/improve-olefileio_pl-to-write-ole-files - -#----------------------------------------------------------------------------- -# NOTES from PIL 1.1.6: - -# History: -# 1997-01-20 fl Created -# 1997-01-22 fl Fixed 64-bit portability quirk -# 2003-09-09 fl Fixed typo in OleFileIO.loadfat (noted by Daniel Haertle) -# 2004-02-29 fl Changed long hex constants to signed integers -# -# Notes: -# FIXME: sort out sign problem (eliminate long hex constants) -# FIXME: change filename to use "a/b/c" instead of ["a", "b", "c"] -# FIXME: provide a glob mechanism function (using fnmatchcase) -# -# Literature: -# -# "FlashPix Format Specification, Appendix A", Kodak and Microsoft, -# September 1996. -# -# Quotes: -# -# "If this document and functionality of the Software conflict, -# the actual functionality of the Software represents the correct -# functionality" -- Microsoft, in the OLE format specification - -#------------------------------------------------------------------------------ - - -import io -import sys -import struct -import array -import os.path -import datetime - -#=== COMPATIBILITY WORKAROUNDS ================================================ - -# [PL] Define explicitly the public API to avoid private objects in pydoc: -#TODO: add more -# __all__ = ['OleFileIO', 'isOleFile', 'MAGIC'] - -# For Python 3.x, need to redefine long as int: -if str is not bytes: - long = int - -# Need to make sure we use xrange both on Python 2 and 3.x: -try: - # on Python 2 we need xrange: - iterrange = xrange -except: - # no xrange, for Python 3 it was renamed as range: - iterrange = range - -# [PL] workaround to fix an issue with array item size on 64 bits systems: -if array.array('L').itemsize == 4: - # on 32 bits platforms, long integers in an array are 32 bits: - UINT32 = 'L' -elif array.array('I').itemsize == 4: - # on 64 bits platforms, integers in an array are 32 bits: - UINT32 = 'I' -elif array.array('i').itemsize == 4: - # On 64 bit Jython, signed integers ('i') are the only way to store our 32 - # bit values in an array in a *somewhat* reasonable way, as the otherwise - # perfectly suited 'H' (unsigned int, 32 bits) results in a completely - # unusable behaviour. This is most likely caused by the fact that Java - # doesn't have unsigned values, and thus Jython's "array" implementation, - # which is based on "jarray", doesn't have them either. - # NOTE: to trick Jython into converting the values it would normally - # interpret as "signed" into "unsigned", a binary-and operation with - # 0xFFFFFFFF can be used. This way it is possible to use the same comparing - # operations on all platforms / implementations. The corresponding code - # lines are flagged with a 'JYTHON-WORKAROUND' tag below. - UINT32 = 'i' -else: - raise ValueError('Need to fix a bug with 32 bit arrays, please contact author...') - - -# [PL] These workarounds were inspired from the Path module -# (see http://www.jorendorff.com/articles/python/path/) -try: - basestring -except NameError: - basestring = str - -# [PL] Experimental setting: if True, OLE filenames will be kept in Unicode -# if False (default PIL behaviour), all filenames are converted to Latin-1. -KEEP_UNICODE_NAMES = True - -if sys.version_info[0] < 3: - # On Python 2.x, the default encoding for path names is UTF-8: - DEFAULT_PATH_ENCODING = 'utf-8' -else: - # On Python 3.x, the default encoding for path names is Unicode (None): - DEFAULT_PATH_ENCODING = None - - -#=== DEBUGGING =============================================================== - -#TODO: replace this by proper logging - -# [PL] DEBUG display mode: False by default, use set_debug_mode() or "-d" on -# command line to change it. -DEBUG_MODE = False - - -def debug_print(msg): - print(msg) - - -def debug_pass(msg): - pass - - -debug = debug_pass - - -def set_debug_mode(debug_mode): - """ - Set debug mode on or off, to control display of debugging messages. - :param mode: True or False - """ - global DEBUG_MODE, debug - DEBUG_MODE = debug_mode - if debug_mode: - debug = debug_print - else: - debug = debug_pass - - -#=== CONSTANTS =============================================================== - -# magic bytes that should be at the beginning of every OLE file: -MAGIC = b'\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1' - -# [PL]: added constants for Sector IDs (from AAF specifications) -MAXREGSECT = 0xFFFFFFFA # (-6) maximum SECT -DIFSECT = 0xFFFFFFFC # (-4) denotes a DIFAT sector in a FAT -FATSECT = 0xFFFFFFFD # (-3) denotes a FAT sector in a FAT -ENDOFCHAIN = 0xFFFFFFFE # (-2) end of a virtual stream chain -FREESECT = 0xFFFFFFFF # (-1) unallocated sector - -# [PL]: added constants for Directory Entry IDs (from AAF specifications) -MAXREGSID = 0xFFFFFFFA # (-6) maximum directory entry ID -NOSTREAM = 0xFFFFFFFF # (-1) unallocated directory entry - -# [PL] object types in storage (from AAF specifications) -STGTY_EMPTY = 0 # empty directory entry (according to OpenOffice.org doc) -STGTY_STORAGE = 1 # element is a storage object -STGTY_STREAM = 2 # element is a stream object -STGTY_LOCKBYTES = 3 # element is an ILockBytes object -STGTY_PROPERTY = 4 # element is an IPropertyStorage object -STGTY_ROOT = 5 # element is a root storage - - -# -# -------------------------------------------------------------------- -# property types - -VT_EMPTY = 0; VT_NULL = 1; VT_I2 = 2; VT_I4 = 3; VT_R4 = 4; VT_R8 = 5; VT_CY = 6; -VT_DATE = 7; VT_BSTR = 8; VT_DISPATCH = 9; VT_ERROR = 10; VT_BOOL = 11; -VT_VARIANT = 12; VT_UNKNOWN = 13; VT_DECIMAL = 14; VT_I1 = 16; VT_UI1 = 17; -VT_UI2 = 18; VT_UI4 = 19; VT_I8 = 20; VT_UI8 = 21; VT_INT = 22; VT_UINT = 23; -VT_VOID = 24; VT_HRESULT = 25; VT_PTR = 26; VT_SAFEARRAY = 27; VT_CARRAY = 28; -VT_USERDEFINED = 29; VT_LPSTR = 30; VT_LPWSTR = 31; VT_FILETIME = 64; -VT_BLOB = 65; VT_STREAM = 66; VT_STORAGE = 67; VT_STREAMED_OBJECT = 68; -VT_STORED_OBJECT = 69; VT_BLOB_OBJECT = 70; VT_CF = 71; VT_CLSID = 72; -VT_VECTOR = 0x1000; - -# map property id to name (for debugging purposes) - -VT = {} -for keyword, var in list(vars().items()): - if keyword[:3] == "VT_": - VT[var] = keyword - -# -# -------------------------------------------------------------------- -# Some common document types (root.clsid fields) - -WORD_CLSID = "00020900-0000-0000-C000-000000000046" -#TODO: check Excel, PPT, ... - -# [PL]: Defect levels to classify parsing errors - see OleFileIO._raise_defect() -DEFECT_UNSURE = 10 # a case which looks weird, but not sure it's a defect -DEFECT_POTENTIAL = 20 # a potential defect -DEFECT_INCORRECT = 30 # an error according to specifications, but parsing - # can go on -DEFECT_FATAL = 40 # an error which cannot be ignored, parsing is - # impossible - -# Minimal size of an empty OLE file, with 512-bytes sectors = 1536 bytes -# (this is used in isOleFile and OleFile.open) -MINIMAL_OLEFILE_SIZE = 1536 - -# [PL] add useful constants to __all__: -# for key in list(vars().keys()): -# if key.startswith('STGTY_') or key.startswith('DEFECT_'): -# __all__.append(key) - - -#=== FUNCTIONS =============================================================== - -def isOleFile(filename): - """ - Test if a file is an OLE container (according to the magic bytes in its header). - - :param filename: string-like or file-like object, OLE file to parse - - - if filename is a string smaller than 1536 bytes, it is the path - of the file to open. (bytes or unicode string) - - if filename is a string longer than 1535 bytes, it is parsed - as the content of an OLE file in memory. (bytes type only) - - if filename is a file-like object (with read and seek methods), - it is parsed as-is. - - :returns: True if OLE, False otherwise. - """ - # check if filename is a string-like or file-like object: - if hasattr(filename, 'read'): - # file-like object: use it directly - header = filename.read(len(MAGIC)) - # just in case, seek back to start of file: - filename.seek(0) - elif isinstance(filename, bytes) and len(filename) >= MINIMAL_OLEFILE_SIZE: - # filename is a bytes string containing the OLE file to be parsed: - header = filename[:len(MAGIC)] - else: - # string-like object: filename of file on disk - header = open(filename, 'rb').read(len(MAGIC)) - if header == MAGIC: - return True - else: - return False - - -if bytes is str: - # version for Python 2.x - def i8(c): - return ord(c) -else: - # version for Python 3.x - def i8(c): - return c if c.__class__ is int else c[0] - - -#TODO: replace i16 and i32 with more readable struct.unpack equivalent? - -def i16(c, o = 0): - """ - Converts a 2-bytes (16 bits) string to an integer. - - c: string containing bytes to convert - o: offset of bytes to convert in string - """ - return struct.unpack(" len(fat): - raise IOError('malformed OLE document, stream too large') - # optimization(?): data is first a list of strings, and join() is called - # at the end to concatenate all in one string. - # (this may not be really useful with recent Python versions) - data = [] - # if size is zero, then first sector index should be ENDOFCHAIN: - if size == 0 and sect != ENDOFCHAIN: - debug('size == 0 and sect != ENDOFCHAIN:') - raise IOError('incorrect OLE sector index for empty stream') - # [PL] A fixed-length for loop is used instead of an undefined while - # loop to avoid DoS attacks: - for i in range(nb_sectors): - # Sector index may be ENDOFCHAIN, but only if size was unknown - if sect == ENDOFCHAIN: - if unknown_size: - break - else: - # else this means that the stream is smaller than declared: - debug('sect=ENDOFCHAIN before expected size') - raise IOError('incomplete OLE stream') - # sector index should be within FAT: - if sect < 0 or sect >= len(fat): - debug('sect=%d (%X) / len(fat)=%d' % (sect, sect, len(fat))) - debug('i=%d / nb_sectors=%d' % (i, nb_sectors)) -## tmp_data = b"".join(data) -## f = open('test_debug.bin', 'wb') -## f.write(tmp_data) -## f.close() -## debug('data read so far: %d bytes' % len(tmp_data)) - raise IOError('incorrect OLE FAT, sector index out of range') - #TODO: merge this code with OleFileIO.getsect() ? - #TODO: check if this works with 4K sectors: - try: - fp.seek(offset + sectorsize * sect) - except: - debug('sect=%d, seek=%d, filesize=%d' % - (sect, offset+sectorsize*sect, filesize)) - raise IOError('OLE sector index out of range') - sector_data = fp.read(sectorsize) - # [PL] check if there was enough data: - # Note: if sector is the last of the file, sometimes it is not a - # complete sector (of 512 or 4K), so we may read less than - # sectorsize. - if len(sector_data) != sectorsize and sect != (len(fat)-1): - debug('sect=%d / len(fat)=%d, seek=%d / filesize=%d, len read=%d' % - (sect, len(fat), offset+sectorsize*sect, filesize, len(sector_data))) - debug('seek+len(read)=%d' % (offset+sectorsize*sect+len(sector_data))) - raise IOError('incomplete OLE sector') - data.append(sector_data) - # jump to next sector in the FAT: - try: - sect = fat[sect] & 0xFFFFFFFF # JYTHON-WORKAROUND - except IndexError: - # [PL] if pointer is out of the FAT an exception is raised - raise IOError('incorrect OLE FAT, sector index out of range') - # [PL] Last sector should be a "end of chain" marker: - if sect != ENDOFCHAIN: - raise IOError('incorrect last sector index in OLE stream') - data = b"".join(data) - # Data is truncated to the actual stream size: - if len(data) >= size: - data = data[:size] - # actual stream size is stored for future use: - self.size = size - elif unknown_size: - # actual stream size was not known, now we know the size of read - # data: - self.size = len(data) - else: - # read data is less than expected: - debug('len(data)=%d, size=%d' % (len(data), size)) - raise IOError('OLE stream size is less than declared') - # when all data is read in memory, BytesIO constructor is called - io.BytesIO.__init__(self, data) - # Then the _OleStream object can be used as a read-only file object. - - -#--- _OleDirectoryEntry ------------------------------------------------------- - -class _OleDirectoryEntry(object): - - """ - OLE2 Directory Entry - """ - # [PL] parsing code moved from OleFileIO.loaddirectory - - # struct to parse directory entries: - # <: little-endian byte order, standard sizes - # (note: this should guarantee that Q returns a 64 bits int) - # 64s: string containing entry name in unicode (max 31 chars) + null char - # H: uint16, number of bytes used in name buffer, including null = (len+1)*2 - # B: uint8, dir entry type (between 0 and 5) - # B: uint8, color: 0=black, 1=red - # I: uint32, index of left child node in the red-black tree, NOSTREAM if none - # I: uint32, index of right child node in the red-black tree, NOSTREAM if none - # I: uint32, index of child root node if it is a storage, else NOSTREAM - # 16s: CLSID, unique identifier (only used if it is a storage) - # I: uint32, user flags - # Q (was 8s): uint64, creation timestamp or zero - # Q (was 8s): uint64, modification timestamp or zero - # I: uint32, SID of first sector if stream or ministream, SID of 1st sector - # of stream containing ministreams if root entry, 0 otherwise - # I: uint32, total stream size in bytes if stream (low 32 bits), 0 otherwise - # I: uint32, total stream size in bytes if stream (high 32 bits), 0 otherwise - STRUCT_DIRENTRY = '<64sHBBIII16sIQQIII' - # size of a directory entry: 128 bytes - DIRENTRY_SIZE = 128 - assert struct.calcsize(STRUCT_DIRENTRY) == DIRENTRY_SIZE - - def __init__(self, entry, sid, olefile): - """ - Constructor for an _OleDirectoryEntry object. - Parses a 128-bytes entry from the OLE Directory stream. - - :param entry : string (must be 128 bytes long) - :param sid : index of this directory entry in the OLE file directory - :param olefile: OleFileIO containing this directory entry - """ - self.sid = sid - # ref to olefile is stored for future use - self.olefile = olefile - # kids is a list of children entries, if this entry is a storage: - # (list of _OleDirectoryEntry objects) - self.kids = [] - # kids_dict is a dictionary of children entries, indexed by their - # name in lowercase: used to quickly find an entry, and to detect - # duplicates - self.kids_dict = {} - # flag used to detect if the entry is referenced more than once in - # directory: - self.used = False - # decode DirEntry - ( - name, - namelength, - self.entry_type, - self.color, - self.sid_left, - self.sid_right, - self.sid_child, - clsid, - self.dwUserFlags, - self.createTime, - self.modifyTime, - self.isectStart, - sizeLow, - sizeHigh - ) = struct.unpack(_OleDirectoryEntry.STRUCT_DIRENTRY, entry) - if self.entry_type not in [STGTY_ROOT, STGTY_STORAGE, STGTY_STREAM, STGTY_EMPTY]: - olefile.raise_defect(DEFECT_INCORRECT, 'unhandled OLE storage type') - # only first directory entry can (and should) be root: - if self.entry_type == STGTY_ROOT and sid != 0: - olefile.raise_defect(DEFECT_INCORRECT, 'duplicate OLE root entry') - if sid == 0 and self.entry_type != STGTY_ROOT: - olefile.raise_defect(DEFECT_INCORRECT, 'incorrect OLE root entry') - #debug (struct.unpack(fmt_entry, entry[:len_entry])) - # name should be at most 31 unicode characters + null character, - # so 64 bytes in total (31*2 + 2): - if namelength > 64: - olefile.raise_defect(DEFECT_INCORRECT, 'incorrect DirEntry name length') - # if exception not raised, namelength is set to the maximum value: - namelength = 64 - # only characters without ending null char are kept: - name = name[:(namelength-2)] - #TODO: check if the name is actually followed by a null unicode character ([MS-CFB] 2.6.1) - #TODO: check if the name does not contain forbidden characters: - # [MS-CFB] 2.6.1: "The following characters are illegal and MUST NOT be part of the name: '/', '\', ':', '!'." - # name is converted from UTF-16LE to the path encoding specified in the OleFileIO: - self.name = olefile._decode_utf16_str(name) - - debug('DirEntry SID=%d: %s' % (self.sid, repr(self.name))) - debug(' - type: %d' % self.entry_type) - debug(' - sect: %d' % self.isectStart) - debug(' - SID left: %d, right: %d, child: %d' % (self.sid_left, - self.sid_right, self.sid_child)) - - # sizeHigh is only used for 4K sectors, it should be zero for 512 bytes - # sectors, BUT apparently some implementations set it as 0xFFFFFFFF, 1 - # or some other value so it cannot be raised as a defect in general: - if olefile.sectorsize == 512: - if sizeHigh != 0 and sizeHigh != 0xFFFFFFFF: - debug('sectorsize=%d, sizeLow=%d, sizeHigh=%d (%X)' % - (olefile.sectorsize, sizeLow, sizeHigh, sizeHigh)) - olefile.raise_defect(DEFECT_UNSURE, 'incorrect OLE stream size') - self.size = sizeLow - else: - self.size = sizeLow + (long(sizeHigh) << 32) - debug(' - size: %d (sizeLow=%d, sizeHigh=%d)' % (self.size, sizeLow, sizeHigh)) - - self.clsid = _clsid(clsid) - # a storage should have a null size, BUT some implementations such as - # Word 8 for Mac seem to allow non-null values => Potential defect: - if self.entry_type == STGTY_STORAGE and self.size != 0: - olefile.raise_defect(DEFECT_POTENTIAL, 'OLE storage with size>0') - # check if stream is not already referenced elsewhere: - if self.entry_type in (STGTY_ROOT, STGTY_STREAM) and self.size > 0: - if self.size < olefile.minisectorcutoff \ - and self.entry_type == STGTY_STREAM: # only streams can be in MiniFAT - # ministream object - minifat = True - else: - minifat = False - olefile._check_duplicate_stream(self.isectStart, minifat) - - def build_storage_tree(self): - """ - Read and build the red-black tree attached to this _OleDirectoryEntry - object, if it is a storage. - Note that this method builds a tree of all subentries, so it should - only be called for the root object once. - """ - debug('build_storage_tree: SID=%d - %s - sid_child=%d' - % (self.sid, repr(self.name), self.sid_child)) - if self.sid_child != NOSTREAM: - # if child SID is not NOSTREAM, then this entry is a storage. - # Let's walk through the tree of children to fill the kids list: - self.append_kids(self.sid_child) - - # Note from OpenOffice documentation: the safest way is to - # recreate the tree because some implementations may store broken - # red-black trees... - - # in the OLE file, entries are sorted on (length, name). - # for convenience, we sort them on name instead: - # (see rich comparison methods in this class) - self.kids.sort() - - def append_kids(self, child_sid): - """ - Walk through red-black tree of children of this directory entry to add - all of them to the kids list. (recursive method) - - :param child_sid : index of child directory entry to use, or None when called - first time for the root. (only used during recursion) - """ - # [PL] this method was added to use simple recursion instead of a complex - # algorithm. - # if this is not a storage or a leaf of the tree, nothing to do: - if child_sid == NOSTREAM: - return - # check if child SID is in the proper range: - if child_sid < 0 or child_sid >= len(self.olefile.direntries): - self.olefile.raise_defect(DEFECT_FATAL, 'OLE DirEntry index out of range') - # get child direntry: - child = self.olefile._load_direntry(child_sid) #direntries[child_sid] - debug('append_kids: child_sid=%d - %s - sid_left=%d, sid_right=%d, sid_child=%d' - % (child.sid, repr(child.name), child.sid_left, child.sid_right, child.sid_child)) - # the directory entries are organized as a red-black tree. - # (cf. Wikipedia for details) - # First walk through left side of the tree: - self.append_kids(child.sid_left) - # Check if its name is not already used (case-insensitive): - name_lower = child.name.lower() - if name_lower in self.kids_dict: - self.olefile.raise_defect(DEFECT_INCORRECT, - "Duplicate filename in OLE storage") - # Then the child_sid _OleDirectoryEntry object is appended to the - # kids list and dictionary: - self.kids.append(child) - self.kids_dict[name_lower] = child - # Check if kid was not already referenced in a storage: - if child.used: - self.olefile.raise_defect(DEFECT_INCORRECT, - 'OLE Entry referenced more than once') - child.used = True - # Finally walk through right side of the tree: - self.append_kids(child.sid_right) - # Afterwards build kid's own tree if it's also a storage: - child.build_storage_tree() - - def __eq__(self, other): - "Compare entries by name" - return self.name == other.name - - def __lt__(self, other): - "Compare entries by name" - return self.name < other.name - - def __ne__(self, other): - return not self.__eq__(other) - - def __le__(self, other): - return self.__eq__(other) or self.__lt__(other) - - # Reflected __lt__() and __le__() will be used for __gt__() and __ge__() - - #TODO: replace by the same function as MS implementation ? - # (order by name length first, then case-insensitive order) - - def dump(self, tab = 0): - "Dump this entry, and all its subentries (for debug purposes only)" - TYPES = ["(invalid)", "(storage)", "(stream)", "(lockbytes)", - "(property)", "(root)"] - print(" "*tab + repr(self.name), TYPES[self.entry_type], end=' ') - if self.entry_type in (STGTY_STREAM, STGTY_ROOT): - print(self.size, "bytes", end=' ') - print() - if self.entry_type in (STGTY_STORAGE, STGTY_ROOT) and self.clsid: - print(" "*tab + "{%s}" % self.clsid) - - for kid in self.kids: - kid.dump(tab + 2) - - def getmtime(self): - """ - Return modification time of a directory entry. - - :returns: None if modification time is null, a python datetime object - otherwise (UTC timezone) - - new in version 0.26 - """ - if self.modifyTime == 0: - return None - return filetime2datetime(self.modifyTime) - - def getctime(self): - """ - Return creation time of a directory entry. - - :returns: None if modification time is null, a python datetime object - otherwise (UTC timezone) - - new in version 0.26 - """ - if self.createTime == 0: - return None - return filetime2datetime(self.createTime) - - -#--- OleFileIO ---------------------------------------------------------------- - -class OleFileIO(object): - """ - OLE container object - - This class encapsulates the interface to an OLE 2 structured - storage file. Use the :py:meth:`~PIL.OleFileIO.OleFileIO.listdir` and - :py:meth:`~PIL.OleFileIO.OleFileIO.openstream` methods to - access the contents of this file. - - Object names are given as a list of strings, one for each subentry - level. The root entry should be omitted. For example, the following - code extracts all image streams from a Microsoft Image Composer file:: - - ole = OleFileIO("fan.mic") - - for entry in ole.listdir(): - if entry[1:2] == "Image": - fin = ole.openstream(entry) - fout = open(entry[0:1], "wb") - while True: - s = fin.read(8192) - if not s: - break - fout.write(s) - - You can use the viewer application provided with the Python Imaging - Library to view the resulting files (which happens to be standard - TIFF files). - """ - - def __init__(self, filename=None, raise_defects=DEFECT_FATAL, - write_mode=False, debug=False, path_encoding=DEFAULT_PATH_ENCODING): - """ - Constructor for the OleFileIO class. - - :param filename: file to open. - - - if filename is a string smaller than 1536 bytes, it is the path - of the file to open. (bytes or unicode string) - - if filename is a string longer than 1535 bytes, it is parsed - as the content of an OLE file in memory. (bytes type only) - - if filename is a file-like object (with read, seek and tell methods), - it is parsed as-is. - - :param raise_defects: minimal level for defects to be raised as exceptions. - (use DEFECT_FATAL for a typical application, DEFECT_INCORRECT for a - security-oriented application, see source code for details) - - :param write_mode: bool, if True the file is opened in read/write mode instead - of read-only by default. - - :param debug: bool, set debug mode - - :param path_encoding: None or str, name of the codec to use for path - names (streams and storages), or None for Unicode. - Unicode by default on Python 3+, UTF-8 on Python 2.x. - (new in olefile 0.42, was hardcoded to Latin-1 until olefile v0.41) - """ - set_debug_mode(debug) - # minimal level for defects to be raised as exceptions: - self._raise_defects_level = raise_defects - # list of defects/issues not raised as exceptions: - # tuples of (exception type, message) - self.parsing_issues = [] - self.write_mode = write_mode - self.path_encoding = path_encoding - self._filesize = None - self.fp = None - if filename: - self.open(filename, write_mode=write_mode) - - def raise_defect(self, defect_level, message, exception_type=IOError): - """ - This method should be called for any defect found during file parsing. - It may raise an IOError exception according to the minimal level chosen - for the OleFileIO object. - - :param defect_level: defect level, possible values are: - - - DEFECT_UNSURE : a case which looks weird, but not sure it's a defect - - DEFECT_POTENTIAL : a potential defect - - DEFECT_INCORRECT : an error according to specifications, but parsing can go on - - DEFECT_FATAL : an error which cannot be ignored, parsing is impossible - - :param message: string describing the defect, used with raised exception. - :param exception_type: exception class to be raised, IOError by default - """ - # added by [PL] - if defect_level >= self._raise_defects_level: - raise exception_type(message) - else: - # just record the issue, no exception raised: - self.parsing_issues.append((exception_type, message)) - - def _decode_utf16_str(self, utf16_str, errors='replace'): - """ - Decode a string encoded in UTF-16 LE format, as found in the OLE - directory or in property streams. Return a string encoded - according to the path_encoding specified for the OleFileIO object. - - :param utf16_str: bytes string encoded in UTF-16 LE format - :param errors: str, see python documentation for str.decode() - :return: str, encoded according to path_encoding - """ - unicode_str = utf16_str.decode('UTF-16LE', errors) - if self.path_encoding: - # an encoding has been specified for path names: - return unicode_str.encode(self.path_encoding, errors) - else: - # path_encoding=None, return the Unicode string as-is: - return unicode_str - - def open(self, filename, write_mode=False): - """ - Open an OLE2 file in read-only or read/write mode. - Read and parse the header, FAT and directory. - - :param filename: string-like or file-like object, OLE file to parse - - - if filename is a string smaller than 1536 bytes, it is the path - of the file to open. (bytes or unicode string) - - if filename is a string longer than 1535 bytes, it is parsed - as the content of an OLE file in memory. (bytes type only) - - if filename is a file-like object (with read, seek and tell methods), - it is parsed as-is. - - :param write_mode: bool, if True the file is opened in read/write mode instead - of read-only by default. (ignored if filename is not a path) - """ - self.write_mode = write_mode - # [PL] check if filename is a string-like or file-like object: - # (it is better to check for a read() method) - if hasattr(filename, 'read'): - #TODO: also check seek and tell methods? - # file-like object: use it directly - self.fp = filename - elif isinstance(filename, bytes) and len(filename) >= MINIMAL_OLEFILE_SIZE: - # filename is a bytes string containing the OLE file to be parsed: - # convert it to BytesIO - self.fp = io.BytesIO(filename) - else: - # string-like object: filename of file on disk - if self.write_mode: - # open file in mode 'read with update, binary' - # According to https://docs.python.org/2/library/functions.html#open - # 'w' would truncate the file, 'a' may only append on some Unixes - mode = 'r+b' - else: - # read-only mode by default - mode = 'rb' - self.fp = open(filename, mode) - # obtain the filesize by using seek and tell, which should work on most - # file-like objects: - #TODO: do it above, using getsize with filename when possible? - #TODO: fix code to fail with clear exception when filesize cannot be obtained - filesize = 0 - self.fp.seek(0, os.SEEK_END) - try: - filesize = self.fp.tell() - finally: - self.fp.seek(0) - self._filesize = filesize - - # lists of streams in FAT and MiniFAT, to detect duplicate references - # (list of indexes of first sectors of each stream) - self._used_streams_fat = [] - self._used_streams_minifat = [] - - header = self.fp.read(512) - - if len(header) != 512 or header[:8] != MAGIC: - self.raise_defect(DEFECT_FATAL, "not an OLE2 structured storage file") - - # [PL] header structure according to AAF specifications: - ##Header - ##struct StructuredStorageHeader { // [offset from start (bytes), length (bytes)] - ##BYTE _abSig[8]; // [00H,08] {0xd0, 0xcf, 0x11, 0xe0, 0xa1, 0xb1, - ## // 0x1a, 0xe1} for current version - ##CLSID _clsid; // [08H,16] reserved must be zero (WriteClassStg/ - ## // GetClassFile uses root directory class id) - ##USHORT _uMinorVersion; // [18H,02] minor version of the format: 33 is - ## // written by reference implementation - ##USHORT _uDllVersion; // [1AH,02] major version of the dll/format: 3 for - ## // 512-byte sectors, 4 for 4 KB sectors - ##USHORT _uByteOrder; // [1CH,02] 0xFFFE: indicates Intel byte-ordering - ##USHORT _uSectorShift; // [1EH,02] size of sectors in power-of-two; - ## // typically 9 indicating 512-byte sectors - ##USHORT _uMiniSectorShift; // [20H,02] size of mini-sectors in power-of-two; - ## // typically 6 indicating 64-byte mini-sectors - ##USHORT _usReserved; // [22H,02] reserved, must be zero - ##ULONG _ulReserved1; // [24H,04] reserved, must be zero - ##FSINDEX _csectDir; // [28H,04] must be zero for 512-byte sectors, - ## // number of SECTs in directory chain for 4 KB - ## // sectors - ##FSINDEX _csectFat; // [2CH,04] number of SECTs in the FAT chain - ##SECT _sectDirStart; // [30H,04] first SECT in the directory chain - ##DFSIGNATURE _signature; // [34H,04] signature used for transactions; must - ## // be zero. The reference implementation - ## // does not support transactions - ##ULONG _ulMiniSectorCutoff; // [38H,04] maximum size for a mini stream; - ## // typically 4096 bytes - ##SECT _sectMiniFatStart; // [3CH,04] first SECT in the MiniFAT chain - ##FSINDEX _csectMiniFat; // [40H,04] number of SECTs in the MiniFAT chain - ##SECT _sectDifStart; // [44H,04] first SECT in the DIFAT chain - ##FSINDEX _csectDif; // [48H,04] number of SECTs in the DIFAT chain - ##SECT _sectFat[109]; // [4CH,436] the SECTs of first 109 FAT sectors - ##}; - - # [PL] header decoding: - # '<' indicates little-endian byte ordering for Intel (cf. struct module help) - fmt_header = '<8s16sHHHHHHLLLLLLLLLL' - header_size = struct.calcsize(fmt_header) - debug("fmt_header size = %d, +FAT = %d" % (header_size, header_size + 109*4)) - header1 = header[:header_size] - ( - self.Sig, - self.clsid, - self.MinorVersion, - self.DllVersion, - self.ByteOrder, - self.SectorShift, - self.MiniSectorShift, - self.Reserved, self.Reserved1, - self.csectDir, - self.csectFat, - self.sectDirStart, - self.signature, - self.MiniSectorCutoff, - self.MiniFatStart, - self.csectMiniFat, - self.sectDifStart, - self.csectDif - ) = struct.unpack(fmt_header, header1) - debug(struct.unpack(fmt_header, header1)) - - if self.Sig != MAGIC: - # OLE signature should always be present - self.raise_defect(DEFECT_FATAL, "incorrect OLE signature") - if self.clsid != bytearray(16): - # according to AAF specs, CLSID should always be zero - self.raise_defect(DEFECT_INCORRECT, "incorrect CLSID in OLE header") - debug("MinorVersion = %d" % self.MinorVersion) - debug("DllVersion = %d" % self.DllVersion) - if self.DllVersion not in [3, 4]: - # version 3: usual format, 512 bytes per sector - # version 4: large format, 4K per sector - self.raise_defect(DEFECT_INCORRECT, "incorrect DllVersion in OLE header") - debug("ByteOrder = %X" % self.ByteOrder) - if self.ByteOrder != 0xFFFE: - # For now only common little-endian documents are handled correctly - self.raise_defect(DEFECT_FATAL, "incorrect ByteOrder in OLE header") - # TODO: add big-endian support for documents created on Mac ? - # But according to [MS-CFB] ? v20140502, ByteOrder MUST be 0xFFFE. - self.SectorSize = 2**self.SectorShift - debug("SectorSize = %d" % self.SectorSize) - if self.SectorSize not in [512, 4096]: - self.raise_defect(DEFECT_INCORRECT, "incorrect SectorSize in OLE header") - if (self.DllVersion == 3 and self.SectorSize != 512) \ - or (self.DllVersion == 4 and self.SectorSize != 4096): - self.raise_defect(DEFECT_INCORRECT, "SectorSize does not match DllVersion in OLE header") - self.MiniSectorSize = 2**self.MiniSectorShift - debug("MiniSectorSize = %d" % self.MiniSectorSize) - if self.MiniSectorSize not in [64]: - self.raise_defect(DEFECT_INCORRECT, "incorrect MiniSectorSize in OLE header") - if self.Reserved != 0 or self.Reserved1 != 0: - self.raise_defect(DEFECT_INCORRECT, "incorrect OLE header (non-null reserved bytes)") - debug("csectDir = %d" % self.csectDir) - # Number of directory sectors (only allowed if DllVersion != 3) - if self.SectorSize == 512 and self.csectDir != 0: - self.raise_defect(DEFECT_INCORRECT, "incorrect csectDir in OLE header") - debug("csectFat = %d" % self.csectFat) - # csectFat = number of FAT sectors in the file - debug("sectDirStart = %X" % self.sectDirStart) - # sectDirStart = 1st sector containing the directory - debug("signature = %d" % self.signature) - # Signature should be zero, BUT some implementations do not follow this - # rule => only a potential defect: - # (according to MS-CFB, may be != 0 for applications supporting file - # transactions) - if self.signature != 0: - self.raise_defect(DEFECT_POTENTIAL, "incorrect OLE header (signature>0)") - debug("MiniSectorCutoff = %d" % self.MiniSectorCutoff) - # MS-CFB: This integer field MUST be set to 0x00001000. This field - # specifies the maximum size of a user-defined data stream allocated - # from the mini FAT and mini stream, and that cutoff is 4096 bytes. - # Any user-defined data stream larger than or equal to this cutoff size - # must be allocated as normal sectors from the FAT. - if self.MiniSectorCutoff != 0x1000: - self.raise_defect(DEFECT_INCORRECT, "incorrect MiniSectorCutoff in OLE header") - debug("MiniFatStart = %X" % self.MiniFatStart) - debug("csectMiniFat = %d" % self.csectMiniFat) - debug("sectDifStart = %X" % self.sectDifStart) - debug("csectDif = %d" % self.csectDif) - - # calculate the number of sectors in the file - # (-1 because header doesn't count) - self.nb_sect = ((filesize + self.SectorSize-1) // self.SectorSize) - 1 - debug("Number of sectors in the file: %d" % self.nb_sect) - #TODO: change this test, because an OLE file MAY contain other data - # after the last sector. - - # file clsid - self.clsid = _clsid(header[8:24]) - - #TODO: remove redundant attributes, and fix the code which uses them? - self.sectorsize = self.SectorSize #1 << i16(header, 30) - self.minisectorsize = self.MiniSectorSize #1 << i16(header, 32) - self.minisectorcutoff = self.MiniSectorCutoff # i32(header, 56) - - # check known streams for duplicate references (these are always in FAT, - # never in MiniFAT): - self._check_duplicate_stream(self.sectDirStart) - # check MiniFAT only if it is not empty: - if self.csectMiniFat: - self._check_duplicate_stream(self.MiniFatStart) - # check DIFAT only if it is not empty: - if self.csectDif: - self._check_duplicate_stream(self.sectDifStart) - - # Load file allocation tables - self.loadfat(header) - # Load directory. This sets both the direntries list (ordered by sid) - # and the root (ordered by hierarchy) members. - self.loaddirectory(self.sectDirStart)#i32(header, 48)) - self.ministream = None - self.minifatsect = self.MiniFatStart #i32(header, 60) - - def close(self): - """ - close the OLE file, to release the file object - """ - self.fp.close() - - def _check_duplicate_stream(self, first_sect, minifat=False): - """ - Checks if a stream has not been already referenced elsewhere. - This method should only be called once for each known stream, and only - if stream size is not null. - - :param first_sect: int, index of first sector of the stream in FAT - :param minifat: bool, if True, stream is located in the MiniFAT, else in the FAT - """ - if minifat: - debug('_check_duplicate_stream: sect=%d in MiniFAT' % first_sect) - used_streams = self._used_streams_minifat - else: - debug('_check_duplicate_stream: sect=%d in FAT' % first_sect) - # some values can be safely ignored (not a real stream): - if first_sect in (DIFSECT, FATSECT, ENDOFCHAIN, FREESECT): - return - used_streams = self._used_streams_fat - #TODO: would it be more efficient using a dict or hash values, instead - # of a list of long ? - if first_sect in used_streams: - self.raise_defect(DEFECT_INCORRECT, 'Stream referenced twice') - else: - used_streams.append(first_sect) - - def dumpfat(self, fat, firstindex=0): - "Displays a part of FAT in human-readable form for debugging purpose" - # [PL] added only for debug - if not DEBUG_MODE: - return - # dictionary to convert special FAT values in human-readable strings - VPL = 8 # values per line (8+1 * 8+1 = 81) - fatnames = { - FREESECT: "..free..", - ENDOFCHAIN: "[ END. ]", - FATSECT: "FATSECT ", - DIFSECT: "DIFSECT " - } - nbsect = len(fat) - nlines = (nbsect+VPL-1)//VPL - print("index", end=" ") - for i in range(VPL): - print("%8X" % i, end=" ") - print() - for l in range(nlines): - index = l*VPL - print("%8X:" % (firstindex+index), end=" ") - for i in range(index, index+VPL): - if i >= nbsect: - break - sect = fat[i] - aux = sect & 0xFFFFFFFF # JYTHON-WORKAROUND - if aux in fatnames: - name = fatnames[aux] - else: - if sect == i+1: - name = " --->" - else: - name = "%8X" % sect - print(name, end=" ") - print() - - def dumpsect(self, sector, firstindex=0): - "Displays a sector in a human-readable form, for debugging purpose." - if not DEBUG_MODE: - return - VPL = 8 # number of values per line (8+1 * 8+1 = 81) - tab = array.array(UINT32, sector) - if sys.byteorder == 'big': - tab.byteswap() - nbsect = len(tab) - nlines = (nbsect+VPL-1)//VPL - print("index", end=" ") - for i in range(VPL): - print("%8X" % i, end=" ") - print() - for l in range(nlines): - index = l*VPL - print("%8X:" % (firstindex+index), end=" ") - for i in range(index, index+VPL): - if i >= nbsect: - break - sect = tab[i] - name = "%8X" % sect - print(name, end=" ") - print() - - def sect2array(self, sect): - """ - convert a sector to an array of 32 bits unsigned integers, - swapping bytes on big endian CPUs such as PowerPC (old Macs) - """ - a = array.array(UINT32, sect) - # if CPU is big endian, swap bytes: - if sys.byteorder == 'big': - a.byteswap() - return a - - def loadfat_sect(self, sect): - """ - Adds the indexes of the given sector to the FAT - - :param sect: string containing the first FAT sector, or array of long integers - :returns: index of last FAT sector. - """ - # a FAT sector is an array of ulong integers. - if isinstance(sect, array.array): - # if sect is already an array it is directly used - fat1 = sect - else: - # if it's a raw sector, it is parsed in an array - fat1 = self.sect2array(sect) - self.dumpsect(sect) - # The FAT is a sector chain starting at the first index of itself. - for isect in fat1: - isect = isect & 0xFFFFFFFF # JYTHON-WORKAROUND - debug("isect = %X" % isect) - if isect == ENDOFCHAIN or isect == FREESECT: - # the end of the sector chain has been reached - debug("found end of sector chain") - break - # read the FAT sector - s = self.getsect(isect) - # parse it as an array of 32 bits integers, and add it to the - # global FAT array - nextfat = self.sect2array(s) - self.fat = self.fat + nextfat - return isect - - def loadfat(self, header): - """ - Load the FAT table. - """ - # The 1st sector of the file contains sector numbers for the first 109 - # FAT sectors, right after the header which is 76 bytes long. - # (always 109, whatever the sector size: 512 bytes = 76+4*109) - # Additional sectors are described by DIF blocks - - sect = header[76:512] - debug("len(sect)=%d, so %d integers" % (len(sect), len(sect)//4)) - #fat = [] - # [PL] FAT is an array of 32 bits unsigned ints, it's more effective - # to use an array than a list in Python. - # It's initialized as empty first: - self.fat = array.array(UINT32) - self.loadfat_sect(sect) - #self.dumpfat(self.fat) -## for i in range(0, len(sect), 4): -## ix = i32(sect, i) -## # [PL] if ix == -2 or ix == -1: # ix == 0xFFFFFFFE or ix == 0xFFFFFFFF: -## if ix == 0xFFFFFFFE or ix == 0xFFFFFFFF: -## break -## s = self.getsect(ix) -## #fat = fat + [i32(s, i) for i in range(0, len(s), 4)] -## fat = fat + array.array(UINT32, s) - if self.csectDif != 0: - # [PL] There's a DIFAT because file is larger than 6.8MB - # some checks just in case: - if self.csectFat <= 109: - # there must be at least 109 blocks in header and the rest in - # DIFAT, so number of sectors must be >109. - self.raise_defect(DEFECT_INCORRECT, 'incorrect DIFAT, not enough sectors') - if self.sectDifStart >= self.nb_sect: - # initial DIFAT block index must be valid - self.raise_defect(DEFECT_FATAL, 'incorrect DIFAT, first index out of range') - debug("DIFAT analysis...") - # We compute the necessary number of DIFAT sectors : - # Number of pointers per DIFAT sector = (sectorsize/4)-1 - # (-1 because the last pointer is the next DIFAT sector number) - nb_difat_sectors = (self.sectorsize//4)-1 - # (if 512 bytes: each DIFAT sector = 127 pointers + 1 towards next DIFAT sector) - nb_difat = (self.csectFat-109 + nb_difat_sectors-1)//nb_difat_sectors - debug("nb_difat = %d" % nb_difat) - if self.csectDif != nb_difat: - raise IOError('incorrect DIFAT') - isect_difat = self.sectDifStart - for i in iterrange(nb_difat): - debug("DIFAT block %d, sector %X" % (i, isect_difat)) - #TODO: check if corresponding FAT SID = DIFSECT - sector_difat = self.getsect(isect_difat) - difat = self.sect2array(sector_difat) - self.dumpsect(sector_difat) - self.loadfat_sect(difat[:nb_difat_sectors]) - # last DIFAT pointer is next DIFAT sector: - isect_difat = difat[nb_difat_sectors] - debug("next DIFAT sector: %X" % isect_difat) - # checks: - if isect_difat not in [ENDOFCHAIN, FREESECT]: - # last DIFAT pointer value must be ENDOFCHAIN or FREESECT - raise IOError('incorrect end of DIFAT') -## if len(self.fat) != self.csectFat: -## # FAT should contain csectFat blocks -## print("FAT length: %d instead of %d" % (len(self.fat), self.csectFat)) -## raise IOError('incorrect DIFAT') - # since FAT is read from fixed-size sectors, it may contain more values - # than the actual number of sectors in the file. - # Keep only the relevant sector indexes: - if len(self.fat) > self.nb_sect: - debug('len(fat)=%d, shrunk to nb_sect=%d' % (len(self.fat), self.nb_sect)) - self.fat = self.fat[:self.nb_sect] - debug('\nFAT:') - self.dumpfat(self.fat) - - def loadminifat(self): - """ - Load the MiniFAT table. - """ - # MiniFAT is stored in a standard sub-stream, pointed to by a header - # field. - # NOTE: there are two sizes to take into account for this stream: - # 1) Stream size is calculated according to the number of sectors - # declared in the OLE header. This allocated stream may be more than - # needed to store the actual sector indexes. - # (self.csectMiniFat is the number of sectors of size self.SectorSize) - stream_size = self.csectMiniFat * self.SectorSize - # 2) Actually used size is calculated by dividing the MiniStream size - # (given by root entry size) by the size of mini sectors, *4 for - # 32 bits indexes: - nb_minisectors = (self.root.size + self.MiniSectorSize-1) // self.MiniSectorSize - used_size = nb_minisectors * 4 - debug('loadminifat(): minifatsect=%d, nb FAT sectors=%d, used_size=%d, stream_size=%d, nb MiniSectors=%d' % - (self.minifatsect, self.csectMiniFat, used_size, stream_size, nb_minisectors)) - if used_size > stream_size: - # This is not really a problem, but may indicate a wrong implementation: - self.raise_defect(DEFECT_INCORRECT, 'OLE MiniStream is larger than MiniFAT') - # In any case, first read stream_size: - s = self._open(self.minifatsect, stream_size, force_FAT=True).read() - # [PL] Old code replaced by an array: - # self.minifat = [i32(s, i) for i in range(0, len(s), 4)] - self.minifat = self.sect2array(s) - # Then shrink the array to used size, to avoid indexes out of MiniStream: - debug('MiniFAT shrunk from %d to %d sectors' % (len(self.minifat), nb_minisectors)) - self.minifat = self.minifat[:nb_minisectors] - debug('loadminifat(): len=%d' % len(self.minifat)) - debug('\nMiniFAT:') - self.dumpfat(self.minifat) - - def getsect(self, sect): - """ - Read given sector from file on disk. - - :param sect: int, sector index - :returns: a string containing the sector data. - """ - # From [MS-CFB]: A sector number can be converted into a byte offset - # into the file by using the following formula: - # (sector number + 1) x Sector Size. - # This implies that sector #0 of the file begins at byte offset Sector - # Size, not at 0. - - # [PL] the original code in PIL was wrong when sectors are 4KB instead of - # 512 bytes: - # self.fp.seek(512 + self.sectorsize * sect) - # [PL]: added safety checks: - # print("getsect(%X)" % sect) - try: - self.fp.seek(self.sectorsize * (sect+1)) - except: - debug('getsect(): sect=%X, seek=%d, filesize=%d' % - (sect, self.sectorsize*(sect+1), self._filesize)) - self.raise_defect(DEFECT_FATAL, 'OLE sector index out of range') - sector = self.fp.read(self.sectorsize) - if len(sector) != self.sectorsize: - debug('getsect(): sect=%X, read=%d, sectorsize=%d' % - (sect, len(sector), self.sectorsize)) - self.raise_defect(DEFECT_FATAL, 'incomplete OLE sector') - return sector - - def write_sect(self, sect, data, padding=b'\x00'): - """ - Write given sector to file on disk. - - :param sect: int, sector index - :param data: bytes, sector data - :param padding: single byte, padding character if data < sector size - """ - if not isinstance(data, bytes): - raise TypeError("write_sect: data must be a bytes string") - if not isinstance(padding, bytes) or len(padding) != 1: - raise TypeError("write_sect: padding must be a bytes string of 1 char") - #TODO: we could allow padding=None for no padding at all - try: - self.fp.seek(self.sectorsize * (sect+1)) - except: - debug('write_sect(): sect=%X, seek=%d, filesize=%d' % - (sect, self.sectorsize*(sect+1), self._filesize)) - self.raise_defect(DEFECT_FATAL, 'OLE sector index out of range') - if len(data) < self.sectorsize: - # add padding - data += padding * (self.sectorsize - len(data)) - elif len(data) < self.sectorsize: - raise ValueError("Data is larger than sector size") - self.fp.write(data) - - def loaddirectory(self, sect): - """ - Load the directory. - - :param sect: sector index of directory stream. - """ - # The directory is stored in a standard - # substream, independent of its size. - - # open directory stream as a read-only file: - # (stream size is not known in advance) - self.directory_fp = self._open(sect) - - # [PL] to detect malformed documents and avoid DoS attacks, the maximum - # number of directory entries can be calculated: - max_entries = self.directory_fp.size // 128 - debug('loaddirectory: size=%d, max_entries=%d' % - (self.directory_fp.size, max_entries)) - - # Create list of directory entries - # self.direntries = [] - # We start with a list of "None" object - self.direntries = [None] * max_entries -## for sid in iterrange(max_entries): -## entry = fp.read(128) -## if not entry: -## break -## self.direntries.append(_OleDirectoryEntry(entry, sid, self)) - # load root entry: - root_entry = self._load_direntry(0) - # Root entry is the first entry: - self.root = self.direntries[0] - # read and build all storage trees, starting from the root: - self.root.build_storage_tree() - - def _load_direntry(self, sid): - """ - Load a directory entry from the directory. - This method should only be called once for each storage/stream when - loading the directory. - - :param sid: index of storage/stream in the directory. - :returns: a _OleDirectoryEntry object - - :exception IOError: if the entry has always been referenced. - """ - # check if SID is OK: - if sid < 0 or sid >= len(self.direntries): - self.raise_defect(DEFECT_FATAL, "OLE directory index out of range") - # check if entry was already referenced: - if self.direntries[sid] is not None: - self.raise_defect(DEFECT_INCORRECT, - "double reference for OLE stream/storage") - # if exception not raised, return the object - return self.direntries[sid] - self.directory_fp.seek(sid * 128) - entry = self.directory_fp.read(128) - self.direntries[sid] = _OleDirectoryEntry(entry, sid, self) - return self.direntries[sid] - - def dumpdirectory(self): - """ - Dump directory (for debugging only) - """ - self.root.dump() - - def _open(self, start, size = 0x7FFFFFFF, force_FAT=False): - """ - Open a stream, either in FAT or MiniFAT according to its size. - (openstream helper) - - :param start: index of first sector - :param size: size of stream (or nothing if size is unknown) - :param force_FAT: if False (default), stream will be opened in FAT or MiniFAT - according to size. If True, it will always be opened in FAT. - """ - debug('OleFileIO.open(): sect=%d, size=%d, force_FAT=%s' % - (start, size, str(force_FAT))) - # stream size is compared to the MiniSectorCutoff threshold: - if size < self.minisectorcutoff and not force_FAT: - # ministream object - if not self.ministream: - # load MiniFAT if it wasn't already done: - self.loadminifat() - # The first sector index of the miniFAT stream is stored in the - # root directory entry: - size_ministream = self.root.size - debug('Opening MiniStream: sect=%d, size=%d' % - (self.root.isectStart, size_ministream)) - self.ministream = self._open(self.root.isectStart, - size_ministream, force_FAT=True) - return _OleStream(fp=self.ministream, sect=start, size=size, - offset=0, sectorsize=self.minisectorsize, - fat=self.minifat, filesize=self.ministream.size) - else: - # standard stream - return _OleStream(fp=self.fp, sect=start, size=size, - offset=self.sectorsize, - sectorsize=self.sectorsize, fat=self.fat, - filesize=self._filesize) - - def _list(self, files, prefix, node, streams=True, storages=False): - """ - listdir helper - - :param files: list of files to fill in - :param prefix: current location in storage tree (list of names) - :param node: current node (_OleDirectoryEntry object) - :param streams: bool, include streams if True (True by default) - new in v0.26 - :param storages: bool, include storages if True (False by default) - new in v0.26 - (note: the root storage is never included) - """ - prefix = prefix + [node.name] - for entry in node.kids: - if entry.entry_type == STGTY_STORAGE: - # this is a storage - if storages: - # add it to the list - files.append(prefix[1:] + [entry.name]) - # check its kids - self._list(files, prefix, entry, streams, storages) - elif entry.entry_type == STGTY_STREAM: - # this is a stream - if streams: - # add it to the list - files.append(prefix[1:] + [entry.name]) - else: - self.raise_defect(DEFECT_INCORRECT, 'The directory tree contains an entry which is not a stream nor a storage.') - - def listdir(self, streams=True, storages=False): - """ - Return a list of streams and/or storages stored in this file - - :param streams: bool, include streams if True (True by default) - new in v0.26 - :param storages: bool, include storages if True (False by default) - new in v0.26 - (note: the root storage is never included) - :returns: list of stream and/or storage paths - """ - files = [] - self._list(files, [], self.root, streams, storages) - return files - - def _find(self, filename): - """ - Returns directory entry of given filename. (openstream helper) - Note: this method is case-insensitive. - - :param filename: path of stream in storage tree (except root entry), either: - - - a string using Unix path syntax, for example: - 'storage_1/storage_1.2/stream' - - or a list of storage filenames, path to the desired stream/storage. - Example: ['storage_1', 'storage_1.2', 'stream'] - - :returns: sid of requested filename - :exception IOError: if file not found - """ - - # if filename is a string instead of a list, split it on slashes to - # convert to a list: - if isinstance(filename, basestring): - filename = filename.split('/') - # walk across storage tree, following given path: - node = self.root - for name in filename: - for kid in node.kids: - if kid.name.lower() == name.lower(): - break - else: - raise IOError("file not found") - node = kid - return node.sid - - def openstream(self, filename): - """ - Open a stream as a read-only file object (BytesIO). - Note: filename is case-insensitive. - - :param filename: path of stream in storage tree (except root entry), either: - - - a string using Unix path syntax, for example: - 'storage_1/storage_1.2/stream' - - or a list of storage filenames, path to the desired stream/storage. - Example: ['storage_1', 'storage_1.2', 'stream'] - - :returns: file object (read-only) - :exception IOError: if filename not found, or if this is not a stream. - """ - sid = self._find(filename) - entry = self.direntries[sid] - if entry.entry_type != STGTY_STREAM: - raise IOError("this file is not a stream") - return self._open(entry.isectStart, entry.size) - - def write_stream(self, stream_name, data): - """ - Write a stream to disk. For now, it is only possible to replace an - existing stream by data of the same size. - - :param stream_name: path of stream in storage tree (except root entry), either: - - - a string using Unix path syntax, for example: - 'storage_1/storage_1.2/stream' - - or a list of storage filenames, path to the desired stream/storage. - Example: ['storage_1', 'storage_1.2', 'stream'] - - :param data: bytes, data to be written, must be the same size as the original - stream. - """ - if not isinstance(data, bytes): - raise TypeError("write_stream: data must be a bytes string") - sid = self._find(stream_name) - entry = self.direntries[sid] - if entry.entry_type != STGTY_STREAM: - raise IOError("this is not a stream") - size = entry.size - if size != len(data): - raise ValueError("write_stream: data must be the same size as the existing stream") - if size < self.minisectorcutoff: - raise NotImplementedError("Writing a stream in MiniFAT is not implemented yet") - sect = entry.isectStart - # number of sectors to write - nb_sectors = (size + (self.sectorsize-1)) // self.sectorsize - debug('nb_sectors = %d' % nb_sectors) - for i in range(nb_sectors): - # try: - # self.fp.seek(offset + self.sectorsize * sect) - # except: - # debug('sect=%d, seek=%d' % - # (sect, offset+self.sectorsize*sect)) - # raise IOError('OLE sector index out of range') - # extract one sector from data, the last one being smaller: - if i < (nb_sectors-1): - data_sector = data[i*self.sectorsize:(i+1)*self.sectorsize] - #TODO: comment this if it works - assert(len(data_sector) == self.sectorsize) - else: - data_sector = data[i*self.sectorsize:] - # TODO: comment this if it works - debug('write_stream: size=%d sectorsize=%d data_sector=%d size%%sectorsize=%d' - % (size, self.sectorsize, len(data_sector), size % self.sectorsize)) - assert(len(data_sector) % self.sectorsize == size % self.sectorsize) - self.write_sect(sect, data_sector) -# self.fp.write(data_sector) - # jump to next sector in the FAT: - try: - sect = self.fat[sect] - except IndexError: - # [PL] if pointer is out of the FAT an exception is raised - raise IOError('incorrect OLE FAT, sector index out of range') - # [PL] Last sector should be a "end of chain" marker: - if sect != ENDOFCHAIN: - raise IOError('incorrect last sector index in OLE stream') - - def get_type(self, filename): - """ - Test if given filename exists as a stream or a storage in the OLE - container, and return its type. - - :param filename: path of stream in storage tree. (see openstream for syntax) - :returns: False if object does not exist, its entry type (>0) otherwise: - - - STGTY_STREAM: a stream - - STGTY_STORAGE: a storage - - STGTY_ROOT: the root entry - """ - try: - sid = self._find(filename) - entry = self.direntries[sid] - return entry.entry_type - except: - return False - - def getmtime(self, filename): - """ - Return modification time of a stream/storage. - - :param filename: path of stream/storage in storage tree. (see openstream for - syntax) - :returns: None if modification time is null, a python datetime object - otherwise (UTC timezone) - - new in version 0.26 - """ - sid = self._find(filename) - entry = self.direntries[sid] - return entry.getmtime() - - def getctime(self, filename): - """ - Return creation time of a stream/storage. - - :param filename: path of stream/storage in storage tree. (see openstream for - syntax) - :returns: None if creation time is null, a python datetime object - otherwise (UTC timezone) - - new in version 0.26 - """ - sid = self._find(filename) - entry = self.direntries[sid] - return entry.getctime() - - def exists(self, filename): - """ - Test if given filename exists as a stream or a storage in the OLE - container. - Note: filename is case-insensitive. - - :param filename: path of stream in storage tree. (see openstream for syntax) - :returns: True if object exist, else False. - """ - try: - sid = self._find(filename) - return True - except: - return False - - def get_size(self, filename): - """ - Return size of a stream in the OLE container, in bytes. - - :param filename: path of stream in storage tree (see openstream for syntax) - :returns: size in bytes (long integer) - :exception IOError: if file not found - :exception TypeError: if this is not a stream. - """ - sid = self._find(filename) - entry = self.direntries[sid] - if entry.entry_type != STGTY_STREAM: - #TODO: Should it return zero instead of raising an exception ? - raise TypeError('object is not an OLE stream') - return entry.size - - def get_rootentry_name(self): - """ - Return root entry name. Should usually be 'Root Entry' or 'R' in most - implementations. - """ - return self.root.name - - def getproperties(self, filename, convert_time=False, no_conversion=None): - """ - Return properties described in substream. - - :param filename: path of stream in storage tree (see openstream for syntax) - :param convert_time: bool, if True timestamps will be converted to Python datetime - :param no_conversion: None or list of int, timestamps not to be converted - (for example total editing time is not a real timestamp) - - :returns: a dictionary of values indexed by id (integer) - """ - # REFERENCE: [MS-OLEPS] https://msdn.microsoft.com/en-us/library/dd942421.aspx - # make sure no_conversion is a list, just to simplify code below: - if no_conversion is None: - no_conversion = [] - # stream path as a string to report exceptions: - streampath = filename - if not isinstance(streampath, str): - streampath = '/'.join(streampath) - - fp = self.openstream(filename) - - data = {} - - try: - # header - s = fp.read(28) - clsid = _clsid(s[8:24]) - - # format id - s = fp.read(20) - fmtid = _clsid(s[:16]) - fp.seek(i32(s, 16)) - - # get section - s = b"****" + fp.read(i32(fp.read(4))-4) - # number of properties: - num_props = i32(s, 4) - except BaseException as exc: - # catch exception while parsing property header, and only raise - # a DEFECT_INCORRECT then return an empty dict, because this is not - # a fatal error when parsing the whole file - msg = 'Error while parsing properties header in stream %s: %s' % ( - repr(streampath), exc) - self.raise_defect(DEFECT_INCORRECT, msg, type(exc)) - return data - - for i in range(num_props): - try: - id = 0 # just in case of an exception - id = i32(s, 8+i*8) - offset = i32(s, 12+i*8) - type = i32(s, offset) - - debug('property id=%d: type=%d offset=%X' % (id, type, offset)) - - # test for common types first (should perhaps use - # a dictionary instead?) - - if type == VT_I2: # 16-bit signed integer - value = i16(s, offset+4) - if value >= 32768: - value = value - 65536 - elif type == VT_UI2: # 2-byte unsigned integer - value = i16(s, offset+4) - elif type in (VT_I4, VT_INT, VT_ERROR): - # VT_I4: 32-bit signed integer - # VT_ERROR: HRESULT, similar to 32-bit signed integer, - # see http://msdn.microsoft.com/en-us/library/cc230330.aspx - value = i32(s, offset+4) - elif type in (VT_UI4, VT_UINT): # 4-byte unsigned integer - value = i32(s, offset+4) # FIXME - elif type in (VT_BSTR, VT_LPSTR): - # CodePageString, see http://msdn.microsoft.com/en-us/library/dd942354.aspx - # size is a 32 bits integer, including the null terminator, and - # possibly trailing or embedded null chars - #TODO: if codepage is unicode, the string should be converted as such - count = i32(s, offset+4) - value = s[offset+8:offset+8+count-1] - # remove all null chars: - value = value.replace(b'\x00', b'') - elif type == VT_BLOB: - # binary large object (BLOB) - # see http://msdn.microsoft.com/en-us/library/dd942282.aspx - count = i32(s, offset+4) - value = s[offset+8:offset+8+count] - elif type == VT_LPWSTR: - # UnicodeString - # see http://msdn.microsoft.com/en-us/library/dd942313.aspx - # "the string should NOT contain embedded or additional trailing - # null characters." - count = i32(s, offset+4) - value = self._decode_utf16_str(s[offset+8:offset+8+count*2]) - elif type == VT_FILETIME: - value = long(i32(s, offset+4)) + (long(i32(s, offset+8)) << 32) - # FILETIME is a 64-bit int: "number of 100ns periods - # since Jan 1,1601". - if convert_time and id not in no_conversion: - debug('Converting property #%d to python datetime, value=%d=%fs' - % (id, value, float(value) / 10000000)) - # convert FILETIME to Python datetime.datetime - # inspired from http://code.activestate.com/recipes/511425-filetime-to-datetime/ - _FILETIME_null_date = datetime.datetime(1601, 1, 1, 0, 0, 0) - debug('timedelta days=%d' % (value//(10*1000000*3600*24))) - value = _FILETIME_null_date + datetime.timedelta(microseconds=value//10) - else: - # legacy code kept for backward compatibility: returns a - # number of seconds since Jan 1,1601 - value = value // 10000000 # seconds - elif type == VT_UI1: # 1-byte unsigned integer - value = i8(s[offset+4]) - elif type == VT_CLSID: - value = _clsid(s[offset+4:offset+20]) - elif type == VT_CF: - # PropertyIdentifier or ClipboardData?? - # see http://msdn.microsoft.com/en-us/library/dd941945.aspx - count = i32(s, offset+4) - value = s[offset+8:offset+8+count] - elif type == VT_BOOL: - # VARIANT_BOOL, 16 bits bool, 0x0000=Fals, 0xFFFF=True - # see http://msdn.microsoft.com/en-us/library/cc237864.aspx - value = bool(i16(s, offset+4)) - else: - value = None # everything else yields "None" - debug('property id=%d: type=%d not implemented in parser yet' % (id, type)) - - # missing: VT_EMPTY, VT_NULL, VT_R4, VT_R8, VT_CY, VT_DATE, - # VT_DECIMAL, VT_I1, VT_I8, VT_UI8, - # see http://msdn.microsoft.com/en-us/library/dd942033.aspx - - # FIXME: add support for VT_VECTOR - # VT_VECTOR is a 32 uint giving the number of items, followed by - # the items in sequence. The VT_VECTOR value is combined with the - # type of items, e.g. VT_VECTOR|VT_BSTR - # see http://msdn.microsoft.com/en-us/library/dd942011.aspx - - # print("%08x" % id, repr(value), end=" ") - # print("(%s)" % VT[i32(s, offset) & 0xFFF]) - - data[id] = value - except BaseException as exc: - # catch exception while parsing each property, and only raise - # a DEFECT_INCORRECT, because parsing can go on - msg = 'Error while parsing property id %d in stream %s: %s' % ( - id, repr(streampath), exc) - self.raise_defect(DEFECT_INCORRECT, msg, type(exc)) - - return data - - def get_metadata(self): - """ - Parse standard properties streams, return an OleMetadata object - containing all the available metadata. - (also stored in the metadata attribute of the OleFileIO object) - - new in version 0.25 - """ - self.metadata = OleMetadata() - self.metadata.parse_properties(self) - return self.metadata - -# -# -------------------------------------------------------------------- -# This script can be used to dump the directory of any OLE2 structured -# storage file. - -if __name__ == "__main__": - - # [PL] display quick usage info if launched from command-line - if len(sys.argv) <= 1: - print('olefile version %s %s - %s' % (__version__, __date__, __author__)) - print( -""" -Launched from the command line, this script parses OLE files and prints info. - -Usage: olefile.py [-d] [-c] [file2 ...] - -Options: --d : debug mode (displays a lot of debug information, for developers only) --c : check all streams (for debugging purposes) - -For more information, see http://www.decalage.info/olefile -""") - sys.exit() - - check_streams = False - for filename in sys.argv[1:]: - # try: - # OPTIONS: - if filename == '-d': - # option to switch debug mode on: - set_debug_mode(True) - continue - if filename == '-c': - # option to switch check streams mode on: - check_streams = True - continue - - ole = OleFileIO(filename)#, raise_defects=DEFECT_INCORRECT) - print("-" * 68) - print(filename) - print("-" * 68) - ole.dumpdirectory() - for streamname in ole.listdir(): - if streamname[-1][0] == "\005": - print(streamname, ": properties") - props = ole.getproperties(streamname, convert_time=True) - props = sorted(props.items()) - for k, v in props: - # [PL]: avoid to display too large or binary values: - if isinstance(v, (basestring, bytes)): - if len(v) > 50: - v = v[:50] - if isinstance(v, bytes): - # quick and dirty binary check: - for c in (1, 2, 3, 4, 5, 6, 7, 11, 12, 14, 15, 16, 17, 18, 19, 20, - 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31): - if c in bytearray(v): - v = '(binary data)' - break - print(" ", k, v) - - if check_streams: - # Read all streams to check if there are errors: - print('\nChecking streams...') - for streamname in ole.listdir(): - # print name using repr() to convert binary chars to \xNN: - print('-', repr('/'.join(streamname)), '-', end=' ') - st_type = ole.get_type(streamname) - if st_type == STGTY_STREAM: - print('size %d' % ole.get_size(streamname)) - # just try to read stream in memory: - ole.openstream(streamname) - else: - print('NOT a stream : type=%d' % st_type) - print() - -# for streamname in ole.listdir(): -# # print name using repr() to convert binary chars to \xNN: -# print('-', repr('/'.join(streamname)),'-', end=' ') -# print(ole.getmtime(streamname)) -# print() - - print('Modification/Creation times of all directory entries:') - for entry in ole.direntries: - if entry is not None: - print('- %s: mtime=%s ctime=%s' % (entry.name, - entry.getmtime(), entry.getctime())) - print() - - # parse and display metadata: - meta = ole.get_metadata() - meta.dump() - print() - # [PL] Test a few new methods: - root = ole.get_rootentry_name() - print('Root entry name: "%s"' % root) - if ole.exists('worddocument'): - print("This is a Word document.") - print("type of stream 'WordDocument':", ole.get_type('worddocument')) - print("size :", ole.get_size('worddocument')) - if ole.exists('macros/vba'): - print("This document may contain VBA macros.") - - # print parsing issues: - print('\nNon-fatal issues raised during parsing:') - if ole.parsing_issues: - for exctype, msg in ole.parsing_issues: - print('- %s: %s' % (exctype.__name__, msg)) - else: - print('None') -## except IOError as v: -## print("***", "cannot read", file, "-", v) - -# this code was developed while listening to The Wedding Present "Sea Monsters" diff --git a/PIL/PSDraw.py b/PIL/PSDraw.py deleted file mode 100644 index d4e7b18ccf7..00000000000 --- a/PIL/PSDraw.py +++ /dev/null @@ -1,235 +0,0 @@ -# -# The Python Imaging Library -# $Id$ -# -# simple postscript graphics interface -# -# History: -# 1996-04-20 fl Created -# 1999-01-10 fl Added gsave/grestore to image method -# 2005-05-04 fl Fixed floating point issue in image (from Eric Etheridge) -# -# Copyright (c) 1997-2005 by Secret Labs AB. All rights reserved. -# Copyright (c) 1996 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - -from PIL import EpsImagePlugin -import sys - -## -# Simple Postscript graphics interface. - - -class PSDraw(object): - """ - Sets up printing to the given file. If **file** is omitted, - :py:attr:`sys.stdout` is assumed. - """ - - def __init__(self, fp=None): - if not fp: - fp = sys.stdout - self.fp = fp - - def _fp_write(self, to_write): - if bytes is str or self.fp == sys.stdout: - self.fp.write(to_write) - else: - self.fp.write(bytes(to_write, 'UTF-8')) - - def begin_document(self, id=None): - """Set up printing of a document. (Write Postscript DSC header.)""" - # FIXME: incomplete - self._fp_write("%!PS-Adobe-3.0\n" - "save\n" - "/showpage { } def\n" - "%%EndComments\n" - "%%BeginDocument\n") - # self._fp_write(ERROR_PS) # debugging! - self._fp_write(EDROFF_PS) - self._fp_write(VDI_PS) - self._fp_write("%%EndProlog\n") - self.isofont = {} - - def end_document(self): - """Ends printing. (Write Postscript DSC footer.)""" - self._fp_write("%%EndDocument\n" - "restore showpage\n" - "%%End\n") - if hasattr(self.fp, "flush"): - self.fp.flush() - - def setfont(self, font, size): - """ - Selects which font to use. - - :param font: A Postscript font name - :param size: Size in points. - """ - if font not in self.isofont: - # reencode font - self._fp_write("/PSDraw-%s ISOLatin1Encoding /%s E\n" % - (font, font)) - self.isofont[font] = 1 - # rough - self._fp_write("/F0 %d /PSDraw-%s F\n" % (size, font)) - - def line(self, xy0, xy1): - """ - Draws a line between the two points. Coordinates are given in - Postscript point coordinates (72 points per inch, (0, 0) is the lower - left corner of the page). - """ - xy = xy0 + xy1 - self._fp_write("%d %d %d %d Vl\n" % xy) - - def rectangle(self, box): - """ - Draws a rectangle. - - :param box: A 4-tuple of integers whose order and function is currently - undocumented. - - Hint: the tuple is passed into this format string: - - .. code-block:: python - - %d %d M %d %d 0 Vr\n - """ - self._fp_write("%d %d M %d %d 0 Vr\n" % box) - - def text(self, xy, text): - """ - Draws text at the given position. You must use - :py:meth:`~PIL.PSDraw.PSDraw.setfont` before calling this method. - """ - text = "\\(".join(text.split("(")) - text = "\\)".join(text.split(")")) - xy = xy + (text,) - self._fp_write("%d %d M (%s) S\n" % xy) - - def image(self, box, im, dpi=None): - """Draw a PIL image, centered in the given box.""" - # default resolution depends on mode - if not dpi: - if im.mode == "1": - dpi = 200 # fax - else: - dpi = 100 # greyscale - # image size (on paper) - x = float(im.size[0] * 72) / dpi - y = float(im.size[1] * 72) / dpi - # max allowed size - xmax = float(box[2] - box[0]) - ymax = float(box[3] - box[1]) - if x > xmax: - y = y * xmax / x - x = xmax - if y > ymax: - x = x * ymax / y - y = ymax - dx = (xmax - x) / 2 + box[0] - dy = (ymax - y) / 2 + box[1] - self._fp_write("gsave\n%f %f translate\n" % (dx, dy)) - if (x, y) != im.size: - # EpsImagePlugin._save prints the image at (0,0,xsize,ysize) - sx = x / im.size[0] - sy = y / im.size[1] - self._fp_write("%f %f scale\n" % (sx, sy)) - EpsImagePlugin._save(im, self.fp, None, 0) - self._fp_write("\ngrestore\n") - -# -------------------------------------------------------------------- -# Postscript driver - -# -# EDROFF.PS -- Postscript driver for Edroff 2 -# -# History: -# 94-01-25 fl: created (edroff 2.04) -# -# Copyright (c) Fredrik Lundh 1994. -# - -EDROFF_PS = """\ -/S { show } bind def -/P { moveto show } bind def -/M { moveto } bind def -/X { 0 rmoveto } bind def -/Y { 0 exch rmoveto } bind def -/E { findfont - dup maxlength dict begin - { - 1 index /FID ne { def } { pop pop } ifelse - } forall - /Encoding exch def - dup /FontName exch def - currentdict end definefont pop -} bind def -/F { findfont exch scalefont dup setfont - [ exch /setfont cvx ] cvx bind def -} bind def -""" - -# -# VDI.PS -- Postscript driver for VDI meta commands -# -# History: -# 94-01-25 fl: created (edroff 2.04) -# -# Copyright (c) Fredrik Lundh 1994. -# - -VDI_PS = """\ -/Vm { moveto } bind def -/Va { newpath arcn stroke } bind def -/Vl { moveto lineto stroke } bind def -/Vc { newpath 0 360 arc closepath } bind def -/Vr { exch dup 0 rlineto - exch dup neg 0 exch rlineto - exch neg 0 rlineto - 0 exch rlineto - 100 div setgray fill 0 setgray } bind def -/Tm matrix def -/Ve { Tm currentmatrix pop - translate scale newpath 0 0 .5 0 360 arc closepath - Tm setmatrix -} bind def -/Vf { currentgray exch setgray fill setgray } bind def -""" - -# -# ERROR.PS -- Error handler -# -# History: -# 89-11-21 fl: created (pslist 1.10) -# - -ERROR_PS = """\ -/landscape false def -/errorBUF 200 string def -/errorNL { currentpoint 10 sub exch pop 72 exch moveto } def -errordict begin /handleerror { - initmatrix /Courier findfont 10 scalefont setfont - newpath 72 720 moveto $error begin /newerror false def - (PostScript Error) show errorNL errorNL - (Error: ) show - /errorname load errorBUF cvs show errorNL errorNL - (Command: ) show - /command load dup type /stringtype ne { errorBUF cvs } if show - errorNL errorNL - (VMstatus: ) show - vmstatus errorBUF cvs show ( bytes available, ) show - errorBUF cvs show ( bytes used at level ) show - errorBUF cvs show errorNL errorNL - (Operand stargck: ) show errorNL /ostargck load { - dup type /stringtype ne { errorBUF cvs } if 72 0 rmoveto show errorNL - } forall errorNL - (Execution stargck: ) show errorNL /estargck load { - dup type /stringtype ne { errorBUF cvs } if 72 0 rmoveto show errorNL - } forall - end showpage -} def end -""" diff --git a/PIL/PalmImagePlugin.py b/PIL/PalmImagePlugin.py deleted file mode 100644 index 4f415ff7c5e..00000000000 --- a/PIL/PalmImagePlugin.py +++ /dev/null @@ -1,241 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# - -## -# Image plugin for Palm pixmap images (output only). -## - -from PIL import Image, ImageFile, _binary - -__version__ = "1.0" - -_Palm8BitColormapValues = ( - (255, 255, 255), (255, 204, 255), (255, 153, 255), (255, 102, 255), - (255, 51, 255), (255, 0, 255), (255, 255, 204), (255, 204, 204), - (255, 153, 204), (255, 102, 204), (255, 51, 204), (255, 0, 204), - (255, 255, 153), (255, 204, 153), (255, 153, 153), (255, 102, 153), - (255, 51, 153), (255, 0, 153), (204, 255, 255), (204, 204, 255), - (204, 153, 255), (204, 102, 255), (204, 51, 255), (204, 0, 255), - (204, 255, 204), (204, 204, 204), (204, 153, 204), (204, 102, 204), - (204, 51, 204), (204, 0, 204), (204, 255, 153), (204, 204, 153), - (204, 153, 153), (204, 102, 153), (204, 51, 153), (204, 0, 153), - (153, 255, 255), (153, 204, 255), (153, 153, 255), (153, 102, 255), - (153, 51, 255), (153, 0, 255), (153, 255, 204), (153, 204, 204), - (153, 153, 204), (153, 102, 204), (153, 51, 204), (153, 0, 204), - (153, 255, 153), (153, 204, 153), (153, 153, 153), (153, 102, 153), - (153, 51, 153), (153, 0, 153), (102, 255, 255), (102, 204, 255), - (102, 153, 255), (102, 102, 255), (102, 51, 255), (102, 0, 255), - (102, 255, 204), (102, 204, 204), (102, 153, 204), (102, 102, 204), - (102, 51, 204), (102, 0, 204), (102, 255, 153), (102, 204, 153), - (102, 153, 153), (102, 102, 153), (102, 51, 153), (102, 0, 153), - (51, 255, 255), (51, 204, 255), (51, 153, 255), (51, 102, 255), - (51, 51, 255), (51, 0, 255), (51, 255, 204), (51, 204, 204), - (51, 153, 204), (51, 102, 204), (51, 51, 204), (51, 0, 204), - (51, 255, 153), (51, 204, 153), (51, 153, 153), (51, 102, 153), - (51, 51, 153), (51, 0, 153), (0, 255, 255), (0, 204, 255), - (0, 153, 255), (0, 102, 255), (0, 51, 255), (0, 0, 255), - (0, 255, 204), (0, 204, 204), (0, 153, 204), (0, 102, 204), - (0, 51, 204), (0, 0, 204), (0, 255, 153), (0, 204, 153), - (0, 153, 153), (0, 102, 153), (0, 51, 153), (0, 0, 153), - (255, 255, 102), (255, 204, 102), (255, 153, 102), (255, 102, 102), - (255, 51, 102), (255, 0, 102), (255, 255, 51), (255, 204, 51), - (255, 153, 51), (255, 102, 51), (255, 51, 51), (255, 0, 51), - (255, 255, 0), (255, 204, 0), (255, 153, 0), (255, 102, 0), - (255, 51, 0), (255, 0, 0), (204, 255, 102), (204, 204, 102), - (204, 153, 102), (204, 102, 102), (204, 51, 102), (204, 0, 102), - (204, 255, 51), (204, 204, 51), (204, 153, 51), (204, 102, 51), - (204, 51, 51), (204, 0, 51), (204, 255, 0), (204, 204, 0), - (204, 153, 0), (204, 102, 0), (204, 51, 0), (204, 0, 0), - (153, 255, 102), (153, 204, 102), (153, 153, 102), (153, 102, 102), - (153, 51, 102), (153, 0, 102), (153, 255, 51), (153, 204, 51), - (153, 153, 51), (153, 102, 51), (153, 51, 51), (153, 0, 51), - (153, 255, 0), (153, 204, 0), (153, 153, 0), (153, 102, 0), - (153, 51, 0), (153, 0, 0), (102, 255, 102), (102, 204, 102), - (102, 153, 102), (102, 102, 102), (102, 51, 102), (102, 0, 102), - (102, 255, 51), (102, 204, 51), (102, 153, 51), (102, 102, 51), - (102, 51, 51), (102, 0, 51), (102, 255, 0), (102, 204, 0), - (102, 153, 0), (102, 102, 0), (102, 51, 0), (102, 0, 0), - (51, 255, 102), (51, 204, 102), (51, 153, 102), (51, 102, 102), - (51, 51, 102), (51, 0, 102), (51, 255, 51), (51, 204, 51), - (51, 153, 51), (51, 102, 51), (51, 51, 51), (51, 0, 51), - (51, 255, 0), (51, 204, 0), (51, 153, 0), (51, 102, 0), - (51, 51, 0), (51, 0, 0), (0, 255, 102), (0, 204, 102), - (0, 153, 102), (0, 102, 102), (0, 51, 102), (0, 0, 102), - (0, 255, 51), (0, 204, 51), (0, 153, 51), (0, 102, 51), - (0, 51, 51), (0, 0, 51), (0, 255, 0), (0, 204, 0), - (0, 153, 0), (0, 102, 0), (0, 51, 0), (17, 17, 17), - (34, 34, 34), (68, 68, 68), (85, 85, 85), (119, 119, 119), - (136, 136, 136), (170, 170, 170), (187, 187, 187), (221, 221, 221), - (238, 238, 238), (192, 192, 192), (128, 0, 0), (128, 0, 128), - (0, 128, 0), (0, 128, 128), (0, 0, 0), (0, 0, 0), - (0, 0, 0), (0, 0, 0), (0, 0, 0), (0, 0, 0), - (0, 0, 0), (0, 0, 0), (0, 0, 0), (0, 0, 0), - (0, 0, 0), (0, 0, 0), (0, 0, 0), (0, 0, 0), - (0, 0, 0), (0, 0, 0), (0, 0, 0), (0, 0, 0), - (0, 0, 0), (0, 0, 0), (0, 0, 0), (0, 0, 0), - (0, 0, 0), (0, 0, 0), (0, 0, 0), (0, 0, 0)) - - -# so build a prototype image to be used for palette resampling -def build_prototype_image(): - image = Image.new("L", (1, len(_Palm8BitColormapValues),)) - image.putdata(list(range(len(_Palm8BitColormapValues)))) - palettedata = () - for i in range(len(_Palm8BitColormapValues)): - palettedata = palettedata + _Palm8BitColormapValues[i] - for i in range(256 - len(_Palm8BitColormapValues)): - palettedata = palettedata + (0, 0, 0) - image.putpalette(palettedata) - return image - -Palm8BitColormapImage = build_prototype_image() - -# OK, we now have in Palm8BitColormapImage, -# a "P"-mode image with the right palette -# -# -------------------------------------------------------------------- - -_FLAGS = { - "custom-colormap": 0x4000, - "is-compressed": 0x8000, - "has-transparent": 0x2000, - } - -_COMPRESSION_TYPES = { - "none": 0xFF, - "rle": 0x01, - "scanline": 0x00, - } - -o8 = _binary.o8 -o16b = _binary.o16be - - -# -# -------------------------------------------------------------------- - -## -# (Internal) Image save plugin for the Palm format. - -def _save(im, fp, filename, check=0): - - if im.mode == "P": - - # we assume this is a color Palm image with the standard colormap, - # unless the "info" dict has a "custom-colormap" field - - rawmode = "P" - bpp = 8 - version = 1 - - elif (im.mode == "L" and - "bpp" in im.encoderinfo and - im.encoderinfo["bpp"] in (1, 2, 4)): - - # this is 8-bit grayscale, so we shift it to get the high-order bits, - # and invert it because - # Palm does greyscale from white (0) to black (1) - bpp = im.encoderinfo["bpp"] - im = im.point( - lambda x, shift=8-bpp, maxval=(1 << bpp)-1: maxval - (x >> shift)) - # we ignore the palette here - im.mode = "P" - rawmode = "P;" + str(bpp) - version = 1 - - elif im.mode == "L" and "bpp" in im.info and im.info["bpp"] in (1, 2, 4): - - # here we assume that even though the inherent mode is 8-bit grayscale, - # only the lower bpp bits are significant. - # We invert them to match the Palm. - bpp = im.info["bpp"] - im = im.point(lambda x, maxval=(1 << bpp)-1: maxval - (x & maxval)) - # we ignore the palette here - im.mode = "P" - rawmode = "P;" + str(bpp) - version = 1 - - elif im.mode == "1": - - # monochrome -- write it inverted, as is the Palm standard - rawmode = "1;I" - bpp = 1 - version = 0 - - else: - - raise IOError("cannot write mode %s as Palm" % im.mode) - - if check: - return check - - # - # make sure image data is available - im.load() - - # write header - - cols = im.size[0] - rows = im.size[1] - - rowbytes = int((cols + (16//bpp - 1)) / (16 // bpp)) * 2 - transparent_index = 0 - compression_type = _COMPRESSION_TYPES["none"] - - flags = 0 - if im.mode == "P" and "custom-colormap" in im.info: - flags = flags & _FLAGS["custom-colormap"] - colormapsize = 4 * 256 + 2 - colormapmode = im.palette.mode - colormap = im.getdata().getpalette() - else: - colormapsize = 0 - - if "offset" in im.info: - offset = (rowbytes * rows + 16 + 3 + colormapsize) // 4 - else: - offset = 0 - - fp.write(o16b(cols) + o16b(rows) + o16b(rowbytes) + o16b(flags)) - fp.write(o8(bpp)) - fp.write(o8(version)) - fp.write(o16b(offset)) - fp.write(o8(transparent_index)) - fp.write(o8(compression_type)) - fp.write(o16b(0)) # reserved by Palm - - # now write colormap if necessary - - if colormapsize > 0: - fp.write(o16b(256)) - for i in range(256): - fp.write(o8(i)) - if colormapmode == 'RGB': - fp.write( - o8(colormap[3 * i]) + - o8(colormap[3 * i + 1]) + - o8(colormap[3 * i + 2])) - elif colormapmode == 'RGBA': - fp.write( - o8(colormap[4 * i]) + - o8(colormap[4 * i + 1]) + - o8(colormap[4 * i + 2])) - - # now convert data to raw form - ImageFile._save( - im, fp, [("raw", (0, 0)+im.size, 0, (rawmode, rowbytes, 1))]) - - if hasattr(fp, "flush"): - fp.flush() - - -# -# -------------------------------------------------------------------- - -Image.register_save("Palm", _save) - -Image.register_extension("Palm", ".palm") - -Image.register_mime("Palm", "image/palm") diff --git a/PIL/PcdImagePlugin.py b/PIL/PcdImagePlugin.py deleted file mode 100644 index b53635a9991..00000000000 --- a/PIL/PcdImagePlugin.py +++ /dev/null @@ -1,59 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# PCD file handling -# -# History: -# 96-05-10 fl Created -# 96-05-27 fl Added draft mode (128x192, 256x384) -# -# Copyright (c) Secret Labs AB 1997. -# Copyright (c) Fredrik Lundh 1996. -# -# See the README file for information on usage and redistribution. -# - - -from PIL import Image, ImageFile, _binary - -__version__ = "0.1" - -i8 = _binary.i8 - - -## -# Image plugin for PhotoCD images. This plugin only reads the 768x512 -# image from the file; higher resolutions are encoded in a proprietary -# encoding. - -class PcdImageFile(ImageFile.ImageFile): - - format = "PCD" - format_description = "Kodak PhotoCD" - - def _open(self): - - # rough - self.fp.seek(2048) - s = self.fp.read(2048) - - if s[:4] != b"PCD_": - raise SyntaxError("not a PCD file") - - orientation = i8(s[1538]) & 3 - if orientation == 1: - self.tile_post_rotate = 90 # hack - elif orientation == 3: - self.tile_post_rotate = -90 - - self.mode = "RGB" - self.size = 768, 512 # FIXME: not correct for rotated images! - self.tile = [("pcd", (0, 0)+self.size, 96*2048, None)] - -# -# registry - -Image.register_open(PcdImageFile.format, PcdImageFile) - -Image.register_extension(PcdImageFile.format, ".pcd") diff --git a/PIL/PcfFontFile.py b/PIL/PcfFontFile.py deleted file mode 100644 index c2006905e41..00000000000 --- a/PIL/PcfFontFile.py +++ /dev/null @@ -1,252 +0,0 @@ -# -# THIS IS WORK IN PROGRESS -# -# The Python Imaging Library -# $Id$ -# -# portable compiled font file parser -# -# history: -# 1997-08-19 fl created -# 2003-09-13 fl fixed loading of unicode fonts -# -# Copyright (c) 1997-2003 by Secret Labs AB. -# Copyright (c) 1997-2003 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image -from PIL import FontFile -from PIL import _binary - -# -------------------------------------------------------------------- -# declarations - -PCF_MAGIC = 0x70636601 # "\x01fcp" - -PCF_PROPERTIES = (1 << 0) -PCF_ACCELERATORS = (1 << 1) -PCF_METRICS = (1 << 2) -PCF_BITMAPS = (1 << 3) -PCF_INK_METRICS = (1 << 4) -PCF_BDF_ENCODINGS = (1 << 5) -PCF_SWIDTHS = (1 << 6) -PCF_GLYPH_NAMES = (1 << 7) -PCF_BDF_ACCELERATORS = (1 << 8) - -BYTES_PER_ROW = [ - lambda bits: ((bits+7) >> 3), - lambda bits: ((bits+15) >> 3) & ~1, - lambda bits: ((bits+31) >> 3) & ~3, - lambda bits: ((bits+63) >> 3) & ~7, -] - -i8 = _binary.i8 -l16 = _binary.i16le -l32 = _binary.i32le -b16 = _binary.i16be -b32 = _binary.i32be - - -def sz(s, o): - return s[o:s.index(b"\0", o)] - - -## -# Font file plugin for the X11 PCF format. - -class PcfFontFile(FontFile.FontFile): - - name = "name" - - def __init__(self, fp): - - magic = l32(fp.read(4)) - if magic != PCF_MAGIC: - raise SyntaxError("not a PCF file") - - FontFile.FontFile.__init__(self) - - count = l32(fp.read(4)) - self.toc = {} - for i in range(count): - type = l32(fp.read(4)) - self.toc[type] = l32(fp.read(4)), l32(fp.read(4)), l32(fp.read(4)) - - self.fp = fp - - self.info = self._load_properties() - - metrics = self._load_metrics() - bitmaps = self._load_bitmaps(metrics) - encoding = self._load_encoding() - - # - # create glyph structure - - for ch in range(256): - ix = encoding[ch] - if ix is not None: - x, y, l, r, w, a, d, f = metrics[ix] - glyph = (w, 0), (l, d-y, x+l, d), (0, 0, x, y), bitmaps[ix] - self.glyph[ch] = glyph - - def _getformat(self, tag): - - format, size, offset = self.toc[tag] - - fp = self.fp - fp.seek(offset) - - format = l32(fp.read(4)) - - if format & 4: - i16, i32 = b16, b32 - else: - i16, i32 = l16, l32 - - return fp, format, i16, i32 - - def _load_properties(self): - - # - # font properties - - properties = {} - - fp, format, i16, i32 = self._getformat(PCF_PROPERTIES) - - nprops = i32(fp.read(4)) - - # read property description - p = [] - for i in range(nprops): - p.append((i32(fp.read(4)), i8(fp.read(1)), i32(fp.read(4)))) - if nprops & 3: - fp.seek(4 - (nprops & 3), 1) # pad - - data = fp.read(i32(fp.read(4))) - - for k, s, v in p: - k = sz(data, k) - if s: - v = sz(data, v) - properties[k] = v - - return properties - - def _load_metrics(self): - - # - # font metrics - - metrics = [] - - fp, format, i16, i32 = self._getformat(PCF_METRICS) - - append = metrics.append - - if (format & 0xff00) == 0x100: - - # "compressed" metrics - for i in range(i16(fp.read(2))): - left = i8(fp.read(1)) - 128 - right = i8(fp.read(1)) - 128 - width = i8(fp.read(1)) - 128 - ascent = i8(fp.read(1)) - 128 - descent = i8(fp.read(1)) - 128 - xsize = right - left - ysize = ascent + descent - append( - (xsize, ysize, left, right, width, - ascent, descent, 0) - ) - - else: - - # "jumbo" metrics - for i in range(i32(fp.read(4))): - left = i16(fp.read(2)) - right = i16(fp.read(2)) - width = i16(fp.read(2)) - ascent = i16(fp.read(2)) - descent = i16(fp.read(2)) - attributes = i16(fp.read(2)) - xsize = right - left - ysize = ascent + descent - append( - (xsize, ysize, left, right, width, - ascent, descent, attributes) - ) - - return metrics - - def _load_bitmaps(self, metrics): - - # - # bitmap data - - bitmaps = [] - - fp, format, i16, i32 = self._getformat(PCF_BITMAPS) - - nbitmaps = i32(fp.read(4)) - - if nbitmaps != len(metrics): - raise IOError("Wrong number of bitmaps") - - offsets = [] - for i in range(nbitmaps): - offsets.append(i32(fp.read(4))) - - bitmapSizes = [] - for i in range(4): - bitmapSizes.append(i32(fp.read(4))) - - # byteorder = format & 4 # non-zero => MSB - bitorder = format & 8 # non-zero => MSB - padindex = format & 3 - - bitmapsize = bitmapSizes[padindex] - offsets.append(bitmapsize) - - data = fp.read(bitmapsize) - - pad = BYTES_PER_ROW[padindex] - mode = "1;R" - if bitorder: - mode = "1" - - for i in range(nbitmaps): - x, y, l, r, w, a, d, f = metrics[i] - b, e = offsets[i], offsets[i+1] - bitmaps.append( - Image.frombytes("1", (x, y), data[b:e], "raw", mode, pad(x)) - ) - - return bitmaps - - def _load_encoding(self): - - # map character code to bitmap index - encoding = [None] * 256 - - fp, format, i16, i32 = self._getformat(PCF_BDF_ENCODINGS) - - firstCol, lastCol = i16(fp.read(2)), i16(fp.read(2)) - firstRow, lastRow = i16(fp.read(2)), i16(fp.read(2)) - - default = i16(fp.read(2)) - - nencoding = (lastCol - firstCol + 1) * (lastRow - firstRow + 1) - - for i in range(nencoding): - encodingOffset = i16(fp.read(2)) - if encodingOffset != 0xFFFF: - try: - encoding[i+firstCol] = encodingOffset - except IndexError: - break # only load ISO-8859-1 glyphs - - return encoding diff --git a/PIL/PcxImagePlugin.py b/PIL/PcxImagePlugin.py deleted file mode 100644 index 9440d5362a3..00000000000 --- a/PIL/PcxImagePlugin.py +++ /dev/null @@ -1,187 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# PCX file handling -# -# This format was originally used by ZSoft's popular PaintBrush -# program for the IBM PC. It is also supported by many MS-DOS and -# Windows applications, including the Windows PaintBrush program in -# Windows 3. -# -# history: -# 1995-09-01 fl Created -# 1996-05-20 fl Fixed RGB support -# 1997-01-03 fl Fixed 2-bit and 4-bit support -# 1999-02-03 fl Fixed 8-bit support (broken in 1.0b1) -# 1999-02-07 fl Added write support -# 2002-06-09 fl Made 2-bit and 4-bit support a bit more robust -# 2002-07-30 fl Seek from to current position, not beginning of file -# 2003-06-03 fl Extract DPI settings (info["dpi"]) -# -# Copyright (c) 1997-2003 by Secret Labs AB. -# Copyright (c) 1995-2003 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - -from __future__ import print_function - -import logging -from PIL import Image, ImageFile, ImagePalette, _binary - -logger = logging.getLogger(__name__) - -i8 = _binary.i8 -i16 = _binary.i16le -o8 = _binary.o8 - -__version__ = "0.6" - - -def _accept(prefix): - return i8(prefix[0]) == 10 and i8(prefix[1]) in [0, 2, 3, 5] - - -## -# Image plugin for Paintbrush images. - -class PcxImageFile(ImageFile.ImageFile): - - format = "PCX" - format_description = "Paintbrush" - - def _open(self): - - # header - s = self.fp.read(128) - if not _accept(s): - raise SyntaxError("not a PCX file") - - # image - bbox = i16(s, 4), i16(s, 6), i16(s, 8)+1, i16(s, 10)+1 - if bbox[2] <= bbox[0] or bbox[3] <= bbox[1]: - raise SyntaxError("bad PCX image size") - logger.debug("BBox: %s %s %s %s", *bbox) - - # format - version = i8(s[1]) - bits = i8(s[3]) - planes = i8(s[65]) - stride = i16(s, 66) - logger.debug("PCX version %s, bits %s, planes %s, stride %s", - version, bits, planes, stride) - - self.info["dpi"] = i16(s, 12), i16(s, 14) - - if bits == 1 and planes == 1: - mode = rawmode = "1" - - elif bits == 1 and planes in (2, 4): - mode = "P" - rawmode = "P;%dL" % planes - self.palette = ImagePalette.raw("RGB", s[16:64]) - - elif version == 5 and bits == 8 and planes == 1: - mode = rawmode = "L" - # FIXME: hey, this doesn't work with the incremental loader !!! - self.fp.seek(-769, 2) - s = self.fp.read(769) - if len(s) == 769 and i8(s[0]) == 12: - # check if the palette is linear greyscale - for i in range(256): - if s[i*3+1:i*3+4] != o8(i)*3: - mode = rawmode = "P" - break - if mode == "P": - self.palette = ImagePalette.raw("RGB", s[1:]) - self.fp.seek(128) - - elif version == 5 and bits == 8 and planes == 3: - mode = "RGB" - rawmode = "RGB;L" - - else: - raise IOError("unknown PCX mode") - - self.mode = mode - self.size = bbox[2]-bbox[0], bbox[3]-bbox[1] - - bbox = (0, 0) + self.size - logger.debug("size: %sx%s", *self.size) - - self.tile = [("pcx", bbox, self.fp.tell(), (rawmode, planes * stride))] - -# -------------------------------------------------------------------- -# save PCX files - -SAVE = { - # mode: (version, bits, planes, raw mode) - "1": (2, 1, 1, "1"), - "L": (5, 8, 1, "L"), - "P": (5, 8, 1, "P"), - "RGB": (5, 8, 3, "RGB;L"), -} - -o16 = _binary.o16le - - -def _save(im, fp, filename, check=0): - - try: - version, bits, planes, rawmode = SAVE[im.mode] - except KeyError: - raise ValueError("Cannot save %s images as PCX" % im.mode) - - if check: - return check - - # bytes per plane - stride = (im.size[0] * bits + 7) // 8 - # stride should be even - stride += stride % 2 - # Stride needs to be kept in sync with the PcxEncode.c version. - # Ideally it should be passed in in the state, but the bytes value - # gets overwritten. - - logger.debug("PcxImagePlugin._save: xwidth: %d, bits: %d, stride: %d", - im.size[0], bits, stride) - - # under windows, we could determine the current screen size with - # "Image.core.display_mode()[1]", but I think that's overkill... - - screen = im.size - - dpi = 100, 100 - - # PCX header - fp.write( - o8(10) + o8(version) + o8(1) + o8(bits) + o16(0) + - o16(0) + o16(im.size[0]-1) + o16(im.size[1]-1) + o16(dpi[0]) + - o16(dpi[1]) + b"\0"*24 + b"\xFF"*24 + b"\0" + o8(planes) + - o16(stride) + o16(1) + o16(screen[0]) + o16(screen[1]) + - b"\0"*54 - ) - - assert fp.tell() == 128 - - ImageFile._save(im, fp, [("pcx", (0, 0)+im.size, 0, - (rawmode, bits*planes))]) - - if im.mode == "P": - # colour palette - fp.write(o8(12)) - fp.write(im.im.getpalette("RGB", "RGB")) # 768 bytes - elif im.mode == "L": - # greyscale palette - fp.write(o8(12)) - for i in range(256): - fp.write(o8(i)*3) - -# -------------------------------------------------------------------- -# registry - -Image.register_open(PcxImageFile.format, PcxImageFile, _accept) -Image.register_save(PcxImageFile.format, _save) - -Image.register_extension(PcxImageFile.format, ".pcx") diff --git a/PIL/PdfImagePlugin.py b/PIL/PdfImagePlugin.py deleted file mode 100644 index 7decf0ee5a4..00000000000 --- a/PIL/PdfImagePlugin.py +++ /dev/null @@ -1,258 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# PDF (Acrobat) file handling -# -# History: -# 1996-07-16 fl Created -# 1997-01-18 fl Fixed header -# 2004-02-21 fl Fixes for 1/L/CMYK images, etc. -# 2004-02-24 fl Fixes for 1 and P images. -# -# Copyright (c) 1997-2004 by Secret Labs AB. All rights reserved. -# Copyright (c) 1996-1997 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - -## -# Image plugin for PDF images (output only). -## - -from PIL import Image, ImageFile -from PIL._binary import i8 -import io - -__version__ = "0.4" - - -# -# -------------------------------------------------------------------- - -# object ids: -# 1. catalogue -# 2. pages -# 3. image -# 4. page -# 5. page contents - -def _obj(fp, obj, **dict): - fp.write("%d 0 obj\n" % obj) - if dict: - fp.write("<<\n") - for k, v in dict.items(): - if v is not None: - fp.write("/%s %s\n" % (k, v)) - fp.write(">>\n") - - -def _endobj(fp): - fp.write("endobj\n") - - -def _save_all(im, fp, filename): - _save(im, fp, filename, save_all=True) - - -## -# (Internal) Image save plugin for the PDF format. - -def _save(im, fp, filename, save_all=False): - resolution = im.encoderinfo.get("resolution", 72.0) - - # - # make sure image data is available - im.load() - - xref = [0] - - class TextWriter(object): - def __init__(self, fp): - self.fp = fp - - def __getattr__(self, name): - return getattr(self.fp, name) - - def write(self, value): - self.fp.write(value.encode('latin-1')) - - fp = TextWriter(fp) - - fp.write("%PDF-1.2\n") - fp.write("% created by PIL PDF driver " + __version__ + "\n") - - # FIXME: Should replace ASCIIHexDecode with RunLengthDecode (packbits) - # or LZWDecode (tiff/lzw compression). Note that PDF 1.2 also supports - # Flatedecode (zip compression). - - bits = 8 - params = None - - if im.mode == "1": - filter = "/ASCIIHexDecode" - colorspace = "/DeviceGray" - procset = "/ImageB" # grayscale - bits = 1 - elif im.mode == "L": - filter = "/DCTDecode" - # params = "<< /Predictor 15 /Columns %d >>" % (width-2) - colorspace = "/DeviceGray" - procset = "/ImageB" # grayscale - elif im.mode == "P": - filter = "/ASCIIHexDecode" - colorspace = "[ /Indexed /DeviceRGB 255 <" - palette = im.im.getpalette("RGB") - for i in range(256): - r = i8(palette[i*3]) - g = i8(palette[i*3+1]) - b = i8(palette[i*3+2]) - colorspace += "%02x%02x%02x " % (r, g, b) - colorspace += "> ]" - procset = "/ImageI" # indexed color - elif im.mode == "RGB": - filter = "/DCTDecode" - colorspace = "/DeviceRGB" - procset = "/ImageC" # color images - elif im.mode == "CMYK": - filter = "/DCTDecode" - colorspace = "/DeviceCMYK" - procset = "/ImageC" # color images - else: - raise ValueError("cannot save mode %s" % im.mode) - - # - # catalogue - - xref.append(fp.tell()) - _obj( - fp, 1, - Type="/Catalog", - Pages="2 0 R") - _endobj(fp) - - # - # pages - numberOfPages = 1 - if save_all: - try: - numberOfPages = im.n_frames - except AttributeError: - # Image format does not have n_frames. It is a single frame image - pass - pages = [str(pageNumber*3+4)+" 0 R" - for pageNumber in range(0, numberOfPages)] - - xref.append(fp.tell()) - _obj( - fp, 2, - Type="/Pages", - Count=len(pages), - Kids="["+"\n".join(pages)+"]") - _endobj(fp) - - for pageNumber in range(0, numberOfPages): - im.seek(pageNumber) - - # - # image - - op = io.BytesIO() - - if filter == "/ASCIIHexDecode": - if bits == 1: - # FIXME: the hex encoder doesn't support packed 1-bit - # images; do things the hard way... - data = im.tobytes("raw", "1") - im = Image.new("L", (len(data), 1), None) - im.putdata(data) - ImageFile._save(im, op, [("hex", (0, 0)+im.size, 0, im.mode)]) - elif filter == "/DCTDecode": - Image.SAVE["JPEG"](im, op, filename) - elif filter == "/FlateDecode": - ImageFile._save(im, op, [("zip", (0, 0)+im.size, 0, im.mode)]) - elif filter == "/RunLengthDecode": - ImageFile._save(im, op, [("packbits", (0, 0)+im.size, 0, im.mode)]) - else: - raise ValueError("unsupported PDF filter (%s)" % filter) - - # - # Get image characteristics - - width, height = im.size - - xref.append(fp.tell()) - _obj( - fp, pageNumber*3+3, - Type="/XObject", - Subtype="/Image", - Width=width, # * 72.0 / resolution, - Height=height, # * 72.0 / resolution, - Length=len(op.getvalue()), - Filter=filter, - BitsPerComponent=bits, - DecodeParams=params, - ColorSpace=colorspace) - - fp.write("stream\n") - fp.fp.write(op.getvalue()) - fp.write("\nendstream\n") - - _endobj(fp) - - # - # page - - xref.append(fp.tell()) - _obj(fp, pageNumber*3+4) - fp.write( - "<<\n/Type /Page\n/Parent 2 0 R\n" - "/Resources <<\n/ProcSet [ /PDF %s ]\n" - "/XObject << /image %d 0 R >>\n>>\n" - "/MediaBox [ 0 0 %d %d ]\n/Contents %d 0 R\n>>\n" % ( - procset, - pageNumber*3+3, - int(width * 72.0 / resolution), - int(height * 72.0 / resolution), - pageNumber*3+5)) - _endobj(fp) - - # - # page contents - - op = TextWriter(io.BytesIO()) - - op.write( - "q %d 0 0 %d 0 0 cm /image Do Q\n" % ( - int(width * 72.0 / resolution), - int(height * 72.0 / resolution))) - - xref.append(fp.tell()) - _obj(fp, pageNumber*3+5, Length=len(op.fp.getvalue())) - - fp.write("stream\n") - fp.fp.write(op.fp.getvalue()) - fp.write("\nendstream\n") - - _endobj(fp) - - # - # trailer - startxref = fp.tell() - fp.write("xref\n0 %d\n0000000000 65535 f \n" % len(xref)) - for x in xref[1:]: - fp.write("%010d 00000 n \n" % x) - fp.write("trailer\n<<\n/Size %d\n/Root 1 0 R\n>>\n" % len(xref)) - fp.write("startxref\n%d\n%%%%EOF\n" % startxref) - if hasattr(fp, "flush"): - fp.flush() - -# -# -------------------------------------------------------------------- - -Image.register_save("PDF", _save) -Image.register_save_all("PDF", _save_all) - -Image.register_extension("PDF", ".pdf") - -Image.register_mime("PDF", "application/pdf") diff --git a/PIL/PngImagePlugin.py b/PIL/PngImagePlugin.py deleted file mode 100644 index 4975d55980b..00000000000 --- a/PIL/PngImagePlugin.py +++ /dev/null @@ -1,835 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# PNG support code -# -# See "PNG (Portable Network Graphics) Specification, version 1.0; -# W3C Recommendation", 1996-10-01, Thomas Boutell (ed.). -# -# history: -# 1996-05-06 fl Created (couldn't resist it) -# 1996-12-14 fl Upgraded, added read and verify support (0.2) -# 1996-12-15 fl Separate PNG stream parser -# 1996-12-29 fl Added write support, added getchunks -# 1996-12-30 fl Eliminated circular references in decoder (0.3) -# 1998-07-12 fl Read/write 16-bit images as mode I (0.4) -# 2001-02-08 fl Added transparency support (from Zircon) (0.5) -# 2001-04-16 fl Don't close data source in "open" method (0.6) -# 2004-02-24 fl Don't even pretend to support interlaced files (0.7) -# 2004-08-31 fl Do basic sanity check on chunk identifiers (0.8) -# 2004-09-20 fl Added PngInfo chunk container -# 2004-12-18 fl Added DPI read support (based on code by Niki Spahiev) -# 2008-08-13 fl Added tRNS support for RGB images -# 2009-03-06 fl Support for preserving ICC profiles (by Florian Hoech) -# 2009-03-08 fl Added zTXT support (from Lowell Alleman) -# 2009-03-29 fl Read interlaced PNG files (from Conrado Porto Lopes Gouvua) -# -# Copyright (c) 1997-2009 by Secret Labs AB -# Copyright (c) 1996 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -from __future__ import print_function - -import logging -import re -import zlib -import struct - -from PIL import Image, ImageFile, ImagePalette, _binary - -__version__ = "0.9" - -logger = logging.getLogger(__name__) - -i8 = _binary.i8 -i16 = _binary.i16be -i32 = _binary.i32be - -is_cid = re.compile(b"\w\w\w\w").match - - -_MAGIC = b"\211PNG\r\n\032\n" - - -_MODES = { - # supported bits/color combinations, and corresponding modes/rawmodes - (1, 0): ("1", "1"), - (2, 0): ("L", "L;2"), - (4, 0): ("L", "L;4"), - (8, 0): ("L", "L"), - (16, 0): ("I", "I;16B"), - (8, 2): ("RGB", "RGB"), - (16, 2): ("RGB", "RGB;16B"), - (1, 3): ("P", "P;1"), - (2, 3): ("P", "P;2"), - (4, 3): ("P", "P;4"), - (8, 3): ("P", "P"), - (8, 4): ("LA", "LA"), - (16, 4): ("RGBA", "LA;16B"), # LA;16B->LA not yet available - (8, 6): ("RGBA", "RGBA"), - (16, 6): ("RGBA", "RGBA;16B"), -} - - -_simple_palette = re.compile(b'^\xff*\x00\xff*$') - -# Maximum decompressed size for a iTXt or zTXt chunk. -# Eliminates decompression bombs where compressed chunks can expand 1000x -MAX_TEXT_CHUNK = ImageFile.SAFEBLOCK -# Set the maximum total text chunk size. -MAX_TEXT_MEMORY = 64 * MAX_TEXT_CHUNK - - -def _safe_zlib_decompress(s): - dobj = zlib.decompressobj() - plaintext = dobj.decompress(s, MAX_TEXT_CHUNK) - if dobj.unconsumed_tail: - raise ValueError("Decompressed Data Too Large") - return plaintext - - -# -------------------------------------------------------------------- -# Support classes. Suitable for PNG and related formats like MNG etc. - -class ChunkStream(object): - - def __init__(self, fp): - - self.fp = fp - self.queue = [] - - if not hasattr(Image.core, "crc32"): - self.crc = self.crc_skip - - def read(self): - "Fetch a new chunk. Returns header information." - cid = None - - if self.queue: - cid, pos, length = self.queue.pop() - self.fp.seek(pos) - else: - s = self.fp.read(8) - cid = s[4:] - pos = self.fp.tell() - length = i32(s) - - if not is_cid(cid): - raise SyntaxError("broken PNG file (chunk %s)" % repr(cid)) - - return cid, pos, length - - def close(self): - self.queue = self.crc = self.fp = None - - def push(self, cid, pos, length): - - self.queue.append((cid, pos, length)) - - def call(self, cid, pos, length): - "Call the appropriate chunk handler" - - logger.debug("STREAM %s %s %s", cid, pos, length) - return getattr(self, "chunk_" + cid.decode('ascii'))(pos, length) - - def crc(self, cid, data): - "Read and verify checksum" - - # Skip CRC checks for ancillary chunks if allowed to load truncated images - # 5th byte of first char is 1 [specs, section 5.4] - if ImageFile.LOAD_TRUNCATED_IMAGES and (i8(cid[0]) >> 5 & 1): - self.crc_skip(cid, data) - return - - try: - crc1 = Image.core.crc32(data, Image.core.crc32(cid)) - crc2 = i16(self.fp.read(2)), i16(self.fp.read(2)) - if crc1 != crc2: - raise SyntaxError("broken PNG file (bad header checksum in %s)" - % cid) - except struct.error: - raise SyntaxError("broken PNG file (incomplete checksum in %s)" - % cid) - - def crc_skip(self, cid, data): - "Read checksum. Used if the C module is not present" - - self.fp.read(4) - - def verify(self, endchunk=b"IEND"): - - # Simple approach; just calculate checksum for all remaining - # blocks. Must be called directly after open. - - cids = [] - - while True: - try: - cid, pos, length = self.read() - except struct.error: - raise IOError("truncated PNG file") - - if cid == endchunk: - break - self.crc(cid, ImageFile._safe_read(self.fp, length)) - cids.append(cid) - - return cids - - -class iTXt(str): - """ - Subclass of string to allow iTXt chunks to look like strings while - keeping their extra information - - """ - @staticmethod - def __new__(cls, text, lang, tkey): - """ - :param value: value for this key - :param lang: language code - :param tkey: UTF-8 version of the key name - """ - - self = str.__new__(cls, text) - self.lang = lang - self.tkey = tkey - return self - - -class PngInfo(object): - """ - PNG chunk container (for use with save(pnginfo=)) - - """ - - def __init__(self): - self.chunks = [] - - def add(self, cid, data): - """Appends an arbitrary chunk. Use with caution. - - :param cid: a byte string, 4 bytes long. - :param data: a byte string of the encoded data - - """ - - self.chunks.append((cid, data)) - - def add_itxt(self, key, value, lang="", tkey="", zip=False): - """Appends an iTXt chunk. - - :param key: latin-1 encodable text key name - :param value: value for this key - :param lang: language code - :param tkey: UTF-8 version of the key name - :param zip: compression flag - - """ - - if not isinstance(key, bytes): - key = key.encode("latin-1", "strict") - if not isinstance(value, bytes): - value = value.encode("utf-8", "strict") - if not isinstance(lang, bytes): - lang = lang.encode("utf-8", "strict") - if not isinstance(tkey, bytes): - tkey = tkey.encode("utf-8", "strict") - - if zip: - self.add(b"iTXt", key + b"\0\x01\0" + lang + b"\0" + tkey + b"\0" + - zlib.compress(value)) - else: - self.add(b"iTXt", key + b"\0\0\0" + lang + b"\0" + tkey + b"\0" + - value) - - def add_text(self, key, value, zip=0): - """Appends a text chunk. - - :param key: latin-1 encodable text key name - :param value: value for this key, text or an - :py:class:`PIL.PngImagePlugin.iTXt` instance - :param zip: compression flag - - """ - if isinstance(value, iTXt): - return self.add_itxt(key, value, value.lang, value.tkey, bool(zip)) - - # The tEXt chunk stores latin-1 text - if not isinstance(value, bytes): - try: - value = value.encode('latin-1', 'strict') - except UnicodeError: - return self.add_itxt(key, value, zip=bool(zip)) - - if not isinstance(key, bytes): - key = key.encode('latin-1', 'strict') - - if zip: - self.add(b"zTXt", key + b"\0\0" + zlib.compress(value)) - else: - self.add(b"tEXt", key + b"\0" + value) - - -# -------------------------------------------------------------------- -# PNG image stream (IHDR/IEND) - -class PngStream(ChunkStream): - - def __init__(self, fp): - - ChunkStream.__init__(self, fp) - - # local copies of Image attributes - self.im_info = {} - self.im_text = {} - self.im_size = (0, 0) - self.im_mode = None - self.im_tile = None - self.im_palette = None - - self.text_memory = 0 - - def check_text_memory(self, chunklen): - self.text_memory += chunklen - if self.text_memory > MAX_TEXT_MEMORY: - raise ValueError("Too much memory used in text chunks: %s>MAX_TEXT_MEMORY" % - self.text_memory) - - def chunk_iCCP(self, pos, length): - - # ICC profile - s = ImageFile._safe_read(self.fp, length) - # according to PNG spec, the iCCP chunk contains: - # Profile name 1-79 bytes (character string) - # Null separator 1 byte (null character) - # Compression method 1 byte (0) - # Compressed profile n bytes (zlib with deflate compression) - i = s.find(b"\0") - logger.debug("iCCP profile name %s", s[:i]) - logger.debug("Compression method %s", i8(s[i])) - comp_method = i8(s[i]) - if comp_method != 0: - raise SyntaxError("Unknown compression method %s in iCCP chunk" % - comp_method) - try: - icc_profile = _safe_zlib_decompress(s[i+2:]) - except ValueError: - if ImageFile.LOAD_TRUNCATED_IMAGES: - icc_profile = None - else: - raise - except zlib.error: - icc_profile = None # FIXME - self.im_info["icc_profile"] = icc_profile - return s - - def chunk_IHDR(self, pos, length): - - # image header - s = ImageFile._safe_read(self.fp, length) - self.im_size = i32(s), i32(s[4:]) - try: - self.im_mode, self.im_rawmode = _MODES[(i8(s[8]), i8(s[9]))] - except: - pass - if i8(s[12]): - self.im_info["interlace"] = 1 - if i8(s[11]): - raise SyntaxError("unknown filter category") - return s - - def chunk_IDAT(self, pos, length): - - # image data - self.im_tile = [("zip", (0, 0)+self.im_size, pos, self.im_rawmode)] - self.im_idat = length - raise EOFError - - def chunk_IEND(self, pos, length): - - # end of PNG image - raise EOFError - - def chunk_PLTE(self, pos, length): - - # palette - s = ImageFile._safe_read(self.fp, length) - if self.im_mode == "P": - self.im_palette = "RGB", s - return s - - def chunk_tRNS(self, pos, length): - - # transparency - s = ImageFile._safe_read(self.fp, length) - if self.im_mode == "P": - if _simple_palette.match(s): - # tRNS contains only one full-transparent entry, - # other entries are full opaque - i = s.find(b"\0") - if i >= 0: - self.im_info["transparency"] = i - else: - # otherwise, we have a byte string with one alpha value - # for each palette entry - self.im_info["transparency"] = s - elif self.im_mode == "L": - self.im_info["transparency"] = i16(s) - elif self.im_mode == "RGB": - self.im_info["transparency"] = i16(s), i16(s[2:]), i16(s[4:]) - return s - - def chunk_gAMA(self, pos, length): - - # gamma setting - s = ImageFile._safe_read(self.fp, length) - self.im_info["gamma"] = i32(s) / 100000.0 - return s - - def chunk_pHYs(self, pos, length): - - # pixels per unit - s = ImageFile._safe_read(self.fp, length) - px, py = i32(s), i32(s[4:]) - unit = i8(s[8]) - if unit == 1: # meter - dpi = int(px * 0.0254 + 0.5), int(py * 0.0254 + 0.5) - self.im_info["dpi"] = dpi - elif unit == 0: - self.im_info["aspect"] = px, py - return s - - def chunk_tEXt(self, pos, length): - - # text - s = ImageFile._safe_read(self.fp, length) - try: - k, v = s.split(b"\0", 1) - except ValueError: - # fallback for broken tEXt tags - k = s - v = b"" - if k: - if bytes is not str: - k = k.decode('latin-1', 'strict') - v = v.decode('latin-1', 'replace') - - self.im_info[k] = self.im_text[k] = v - self.check_text_memory(len(v)) - - return s - - def chunk_zTXt(self, pos, length): - - # compressed text - s = ImageFile._safe_read(self.fp, length) - try: - k, v = s.split(b"\0", 1) - except ValueError: - k = s - v = b"" - if v: - comp_method = i8(v[0]) - else: - comp_method = 0 - if comp_method != 0: - raise SyntaxError("Unknown compression method %s in zTXt chunk" % - comp_method) - try: - v = _safe_zlib_decompress(v[1:]) - except ValueError: - if ImageFile.LOAD_TRUNCATED_IMAGES: - v = b"" - else: - raise - except zlib.error: - v = b"" - - if k: - if bytes is not str: - k = k.decode('latin-1', 'strict') - v = v.decode('latin-1', 'replace') - - self.im_info[k] = self.im_text[k] = v - self.check_text_memory(len(v)) - - return s - - def chunk_iTXt(self, pos, length): - - # international text - r = s = ImageFile._safe_read(self.fp, length) - try: - k, r = r.split(b"\0", 1) - except ValueError: - return s - if len(r) < 2: - return s - cf, cm, r = i8(r[0]), i8(r[1]), r[2:] - try: - lang, tk, v = r.split(b"\0", 2) - except ValueError: - return s - if cf != 0: - if cm == 0: - try: - v = _safe_zlib_decompress(v) - except ValueError: - if ImageFile.LOAD_TRUNCATED_IMAGES: - return s - else: - raise - except zlib.error: - return s - else: - return s - if bytes is not str: - try: - k = k.decode("latin-1", "strict") - lang = lang.decode("utf-8", "strict") - tk = tk.decode("utf-8", "strict") - v = v.decode("utf-8", "strict") - except UnicodeError: - return s - - self.im_info[k] = self.im_text[k] = iTXt(v, lang, tk) - self.check_text_memory(len(v)) - - return s - - -# -------------------------------------------------------------------- -# PNG reader - -def _accept(prefix): - return prefix[:8] == _MAGIC - - -## -# Image plugin for PNG images. - -class PngImageFile(ImageFile.ImageFile): - - format = "PNG" - format_description = "Portable network graphics" - - def _open(self): - - if self.fp.read(8) != _MAGIC: - raise SyntaxError("not a PNG file") - - # - # Parse headers up to the first IDAT chunk - - self.png = PngStream(self.fp) - - while True: - - # - # get next chunk - - cid, pos, length = self.png.read() - - try: - s = self.png.call(cid, pos, length) - except EOFError: - break - except AttributeError: - logger.debug("%s %s %s (unknown)", cid, pos, length) - s = ImageFile._safe_read(self.fp, length) - - self.png.crc(cid, s) - - # - # Copy relevant attributes from the PngStream. An alternative - # would be to let the PngStream class modify these attributes - # directly, but that introduces circular references which are - # difficult to break if things go wrong in the decoder... - # (believe me, I've tried ;-) - - self.mode = self.png.im_mode - self.size = self.png.im_size - self.info = self.png.im_info - self.text = self.png.im_text # experimental - self.tile = self.png.im_tile - - if self.png.im_palette: - rawmode, data = self.png.im_palette - self.palette = ImagePalette.raw(rawmode, data) - - self.__idat = length # used by load_read() - - def verify(self): - "Verify PNG file" - - if self.fp is None: - raise RuntimeError("verify must be called directly after open") - - # back up to beginning of IDAT block - self.fp.seek(self.tile[0][2] - 8) - - self.png.verify() - self.png.close() - - self.fp = None - - def load_prepare(self): - "internal: prepare to read PNG file" - - if self.info.get("interlace"): - self.decoderconfig = self.decoderconfig + (1,) - - ImageFile.ImageFile.load_prepare(self) - - def load_read(self, read_bytes): - "internal: read more image data" - - while self.__idat == 0: - # end of chunk, skip forward to next one - - self.fp.read(4) # CRC - - cid, pos, length = self.png.read() - - if cid not in [b"IDAT", b"DDAT"]: - self.png.push(cid, pos, length) - return b"" - - self.__idat = length # empty chunks are allowed - - # read more data from this chunk - if read_bytes <= 0: - read_bytes = self.__idat - else: - read_bytes = min(read_bytes, self.__idat) - - self.__idat = self.__idat - read_bytes - - return self.fp.read(read_bytes) - - def load_end(self): - "internal: finished reading image data" - - self.png.close() - self.png = None - - -# -------------------------------------------------------------------- -# PNG writer - -o8 = _binary.o8 -o16 = _binary.o16be -o32 = _binary.o32be - -_OUTMODES = { - # supported PIL modes, and corresponding rawmodes/bits/color combinations - "1": ("1", b'\x01\x00'), - "L;1": ("L;1", b'\x01\x00'), - "L;2": ("L;2", b'\x02\x00'), - "L;4": ("L;4", b'\x04\x00'), - "L": ("L", b'\x08\x00'), - "LA": ("LA", b'\x08\x04'), - "I": ("I;16B", b'\x10\x00'), - "P;1": ("P;1", b'\x01\x03'), - "P;2": ("P;2", b'\x02\x03'), - "P;4": ("P;4", b'\x04\x03'), - "P": ("P", b'\x08\x03'), - "RGB": ("RGB", b'\x08\x02'), - "RGBA": ("RGBA", b'\x08\x06'), -} - - -def putchunk(fp, cid, *data): - "Write a PNG chunk (including CRC field)" - - data = b"".join(data) - - fp.write(o32(len(data)) + cid) - fp.write(data) - hi, lo = Image.core.crc32(data, Image.core.crc32(cid)) - fp.write(o16(hi) + o16(lo)) - - -class _idat(object): - # wrap output from the encoder in IDAT chunks - - def __init__(self, fp, chunk): - self.fp = fp - self.chunk = chunk - - def write(self, data): - self.chunk(self.fp, b"IDAT", data) - - -def _save(im, fp, filename, chunk=putchunk, check=0): - # save an image to disk (called by the save method) - - mode = im.mode - - if mode == "P": - - # - # attempt to minimize storage requirements for palette images - if "bits" in im.encoderinfo: - # number of bits specified by user - colors = 1 << im.encoderinfo["bits"] - else: - # check palette contents - if im.palette: - colors = max(min(len(im.palette.getdata()[1])//3, 256), 2) - else: - colors = 256 - - if colors <= 2: - bits = 1 - elif colors <= 4: - bits = 2 - elif colors <= 16: - bits = 4 - else: - bits = 8 - if bits != 8: - mode = "%s;%d" % (mode, bits) - - # encoder options - im.encoderconfig = (im.encoderinfo.get("optimize", False), - im.encoderinfo.get("compress_level", -1), - im.encoderinfo.get("compress_type", -1), - im.encoderinfo.get("dictionary", b"")) - - # get the corresponding PNG mode - try: - rawmode, mode = _OUTMODES[mode] - except KeyError: - raise IOError("cannot write mode %s as PNG" % mode) - - if check: - return check - - # - # write minimal PNG file - - fp.write(_MAGIC) - - chunk(fp, b"IHDR", - o32(im.size[0]), o32(im.size[1]), # 0: size - mode, # 8: depth/type - b'\0', # 10: compression - b'\0', # 11: filter category - b'\0') # 12: interlace flag - - if im.mode == "P": - palette_byte_number = (2 ** bits) * 3 - palette_bytes = im.im.getpalette("RGB")[:palette_byte_number] - while len(palette_bytes) < palette_byte_number: - palette_bytes += b'\0' - chunk(fp, b"PLTE", palette_bytes) - - transparency = im.encoderinfo.get('transparency', - im.info.get('transparency', None)) - - if transparency or transparency == 0: - if im.mode == "P": - # limit to actual palette size - alpha_bytes = 2**bits - if isinstance(transparency, bytes): - chunk(fp, b"tRNS", transparency[:alpha_bytes]) - else: - transparency = max(0, min(255, transparency)) - alpha = b'\xFF' * transparency + b'\0' - chunk(fp, b"tRNS", alpha[:alpha_bytes]) - elif im.mode == "L": - transparency = max(0, min(65535, transparency)) - chunk(fp, b"tRNS", o16(transparency)) - elif im.mode == "RGB": - red, green, blue = transparency - chunk(fp, b"tRNS", o16(red) + o16(green) + o16(blue)) - else: - if "transparency" in im.encoderinfo: - # don't bother with transparency if it's an RGBA - # and it's in the info dict. It's probably just stale. - raise IOError("cannot use transparency for this mode") - else: - if im.mode == "P" and im.im.getpalettemode() == "RGBA": - alpha = im.im.getpalette("RGBA", "A") - alpha_bytes = 2**bits - chunk(fp, b"tRNS", alpha[:alpha_bytes]) - - dpi = im.encoderinfo.get("dpi") - if dpi: - chunk(fp, b"pHYs", - o32(int(dpi[0] / 0.0254 + 0.5)), - o32(int(dpi[1] / 0.0254 + 0.5)), - b'\x01') - - info = im.encoderinfo.get("pnginfo") - if info: - for cid, data in info.chunks: - chunk(fp, cid, data) - - icc = im.encoderinfo.get("icc_profile", im.info.get("icc_profile")) - if icc: - # ICC profile - # according to PNG spec, the iCCP chunk contains: - # Profile name 1-79 bytes (character string) - # Null separator 1 byte (null character) - # Compression method 1 byte (0) - # Compressed profile n bytes (zlib with deflate compression) - name = b"ICC Profile" - data = name + b"\0\0" + zlib.compress(icc) - chunk(fp, b"iCCP", data) - - ImageFile._save(im, _idat(fp, chunk), - [("zip", (0, 0)+im.size, 0, rawmode)]) - - chunk(fp, b"IEND", b"") - - if hasattr(fp, "flush"): - fp.flush() - - -# -------------------------------------------------------------------- -# PNG chunk converter - -def getchunks(im, **params): - """Return a list of PNG chunks representing this image.""" - - class collector(object): - data = [] - - def write(self, data): - pass - - def append(self, chunk): - self.data.append(chunk) - - def append(fp, cid, *data): - data = b"".join(data) - hi, lo = Image.core.crc32(data, Image.core.crc32(cid)) - crc = o16(hi) + o16(lo) - fp.append((cid, data, crc)) - - fp = collector() - - try: - im.encoderinfo = params - _save(im, fp, None, append) - finally: - del im.encoderinfo - - return fp.data - - -# -------------------------------------------------------------------- -# Registry - -Image.register_open(PngImageFile.format, PngImageFile, _accept) -Image.register_save(PngImageFile.format, _save) - -Image.register_extension(PngImageFile.format, ".png") - -Image.register_mime(PngImageFile.format, "image/png") diff --git a/PIL/PpmImagePlugin.py b/PIL/PpmImagePlugin.py deleted file mode 100644 index adaf8384c07..00000000000 --- a/PIL/PpmImagePlugin.py +++ /dev/null @@ -1,169 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# PPM support for PIL -# -# History: -# 96-03-24 fl Created -# 98-03-06 fl Write RGBA images (as RGB, that is) -# -# Copyright (c) Secret Labs AB 1997-98. -# Copyright (c) Fredrik Lundh 1996. -# -# See the README file for information on usage and redistribution. -# - - -import string - -from PIL import Image, ImageFile - -__version__ = "0.2" - -# -# -------------------------------------------------------------------- - -b_whitespace = string.whitespace -try: - import locale - locale_lang, locale_enc = locale.getlocale() - if locale_enc is None: - locale_lang, locale_enc = locale.getdefaultlocale() - b_whitespace = b_whitespace.decode(locale_enc) -except: - pass -b_whitespace = b_whitespace.encode('ascii', 'ignore') - -MODES = { - # standard - b"P4": "1", - b"P5": "L", - b"P6": "RGB", - # extensions - b"P0CMYK": "CMYK", - # PIL extensions (for test purposes only) - b"PyP": "P", - b"PyRGBA": "RGBA", - b"PyCMYK": "CMYK" -} - - -def _accept(prefix): - return prefix[0:1] == b"P" and prefix[1] in b"0456y" - - -## -# Image plugin for PBM, PGM, and PPM images. - -class PpmImageFile(ImageFile.ImageFile): - - format = "PPM" - format_description = "Pbmplus image" - - def _token(self, s=b""): - while True: # read until next whitespace - c = self.fp.read(1) - if not c or c in b_whitespace: - break - if c > b'\x79': - raise ValueError("Expected ASCII value, found binary") - s = s + c - if (len(s) > 9): - raise ValueError("Expected int, got > 9 digits") - return s - - def _open(self): - - # check magic - s = self.fp.read(1) - if s != b"P": - raise SyntaxError("not a PPM file") - mode = MODES[self._token(s)] - - if mode == "1": - self.mode = "1" - rawmode = "1;I" - else: - self.mode = rawmode = mode - - for ix in range(3): - while True: - while True: - s = self.fp.read(1) - if s not in b_whitespace: - break - if s == b"": - raise ValueError("File does not extend beyond magic number") - if s != b"#": - break - s = self.fp.readline() - s = int(self._token(s)) - if ix == 0: - xsize = s - elif ix == 1: - ysize = s - if mode == "1": - break - elif ix == 2: - # maxgrey - if s > 255: - if not mode == 'L': - raise ValueError("Too many colors for band: %s" % s) - if s < 2**16: - self.mode = 'I' - rawmode = 'I;16B' - else: - self.mode = 'I' - rawmode = 'I;32B' - - self.size = xsize, ysize - self.tile = [("raw", - (0, 0, xsize, ysize), - self.fp.tell(), - (rawmode, 0, 1))] - - -# -# -------------------------------------------------------------------- - -def _save(im, fp, filename): - if im.mode == "1": - rawmode, head = "1;I", b"P4" - elif im.mode == "L": - rawmode, head = "L", b"P5" - elif im.mode == "I": - if im.getextrema()[1] < 2**16: - rawmode, head = "I;16B", b"P5" - else: - rawmode, head = "I;32B", b"P5" - elif im.mode == "RGB": - rawmode, head = "RGB", b"P6" - elif im.mode == "RGBA": - rawmode, head = "RGB", b"P6" - else: - raise IOError("cannot write mode %s as PPM" % im.mode) - fp.write(head + ("\n%d %d\n" % im.size).encode('ascii')) - if head == b"P6": - fp.write(b"255\n") - if head == b"P5": - if rawmode == "L": - fp.write(b"255\n") - elif rawmode == "I;16B": - fp.write(b"65535\n") - elif rawmode == "I;32B": - fp.write(b"2147483648\n") - ImageFile._save(im, fp, [("raw", (0, 0)+im.size, 0, (rawmode, 0, 1))]) - - # ALTERNATIVE: save via builtin debug function - # im._dump(filename) - -# -# -------------------------------------------------------------------- - -Image.register_open(PpmImageFile.format, PpmImageFile, _accept) -Image.register_save(PpmImageFile.format, _save) - -Image.register_extension(PpmImageFile.format, ".pbm") -Image.register_extension(PpmImageFile.format, ".pgm") -Image.register_extension(PpmImageFile.format, ".ppm") diff --git a/PIL/PsdImagePlugin.py b/PIL/PsdImagePlugin.py deleted file mode 100644 index d06e320b0b1..00000000000 --- a/PIL/PsdImagePlugin.py +++ /dev/null @@ -1,312 +0,0 @@ -# -# The Python Imaging Library -# $Id$ -# -# Adobe PSD 2.5/3.0 file handling -# -# History: -# 1995-09-01 fl Created -# 1997-01-03 fl Read most PSD images -# 1997-01-18 fl Fixed P and CMYK support -# 2001-10-21 fl Added seek/tell support (for layers) -# -# Copyright (c) 1997-2001 by Secret Labs AB. -# Copyright (c) 1995-2001 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -__version__ = "0.4" - -from PIL import Image, ImageFile, ImagePalette, _binary - -MODES = { - # (photoshop mode, bits) -> (pil mode, required channels) - (0, 1): ("1", 1), - (0, 8): ("L", 1), - (1, 8): ("L", 1), - (2, 8): ("P", 1), - (3, 8): ("RGB", 3), - (4, 8): ("CMYK", 4), - (7, 8): ("L", 1), # FIXME: multilayer - (8, 8): ("L", 1), # duotone - (9, 8): ("LAB", 3) -} - -# -# helpers - -i8 = _binary.i8 -i16 = _binary.i16be -i32 = _binary.i32be - - -# --------------------------------------------------------------------. -# read PSD images - -def _accept(prefix): - return prefix[:4] == b"8BPS" - - -## -# Image plugin for Photoshop images. - -class PsdImageFile(ImageFile.ImageFile): - - format = "PSD" - format_description = "Adobe Photoshop" - - def _open(self): - - read = self.fp.read - - # - # header - - s = read(26) - if s[:4] != b"8BPS" or i16(s[4:]) != 1: - raise SyntaxError("not a PSD file") - - psd_bits = i16(s[22:]) - psd_channels = i16(s[12:]) - psd_mode = i16(s[24:]) - - mode, channels = MODES[(psd_mode, psd_bits)] - - if channels > psd_channels: - raise IOError("not enough channels") - - self.mode = mode - self.size = i32(s[18:]), i32(s[14:]) - - # - # color mode data - - size = i32(read(4)) - if size: - data = read(size) - if mode == "P" and size == 768: - self.palette = ImagePalette.raw("RGB;L", data) - - # - # image resources - - self.resources = [] - - size = i32(read(4)) - if size: - # load resources - end = self.fp.tell() + size - while self.fp.tell() < end: - signature = read(4) - id = i16(read(2)) - name = read(i8(read(1))) - if not (len(name) & 1): - read(1) # padding - data = read(i32(read(4))) - if (len(data) & 1): - read(1) # padding - self.resources.append((id, name, data)) - if id == 1039: # ICC profile - self.info["icc_profile"] = data - - # - # layer and mask information - - self.layers = [] - - size = i32(read(4)) - if size: - end = self.fp.tell() + size - size = i32(read(4)) - if size: - self.layers = _layerinfo(self.fp) - self.fp.seek(end) - - # - # image descriptor - - self.tile = _maketile(self.fp, mode, (0, 0) + self.size, channels) - - # keep the file open - self._fp = self.fp - self.frame = 0 - - @property - def n_frames(self): - return len(self.layers) - - @property - def is_animated(self): - return len(self.layers) > 1 - - def seek(self, layer): - # seek to given layer (1..max) - if layer == self.frame: - return - try: - if layer <= 0: - raise IndexError - name, mode, bbox, tile = self.layers[layer-1] - self.mode = mode - self.tile = tile - self.frame = layer - self.fp = self._fp - return name, bbox - except IndexError: - raise EOFError("no such layer") - - def tell(self): - # return layer number (0=image, 1..max=layers) - return self.frame - - def load_prepare(self): - # create image memory if necessary - if not self.im or\ - self.im.mode != self.mode or self.im.size != self.size: - self.im = Image.core.fill(self.mode, self.size, 0) - # create palette (optional) - if self.mode == "P": - Image.Image.load(self) - - -def _layerinfo(file): - # read layerinfo block - layers = [] - read = file.read - for i in range(abs(i16(read(2)))): - - # bounding box - y0 = i32(read(4)) - x0 = i32(read(4)) - y1 = i32(read(4)) - x1 = i32(read(4)) - - # image info - info = [] - mode = [] - types = list(range(i16(read(2)))) - if len(types) > 4: - continue - - for i in types: - type = i16(read(2)) - - if type == 65535: - m = "A" - else: - m = "RGBA"[type] - - mode.append(m) - size = i32(read(4)) - info.append((m, size)) - - # figure out the image mode - mode.sort() - if mode == ["R"]: - mode = "L" - elif mode == ["B", "G", "R"]: - mode = "RGB" - elif mode == ["A", "B", "G", "R"]: - mode = "RGBA" - else: - mode = None # unknown - - # skip over blend flags and extra information - filler = read(12) - name = "" - size = i32(read(4)) - combined = 0 - if size: - length = i32(read(4)) - if length: - mask_y = i32(read(4)) - mask_x = i32(read(4)) - mask_h = i32(read(4)) - mask_y - mask_w = i32(read(4)) - mask_x - file.seek(length - 16, 1) - combined += length + 4 - - length = i32(read(4)) - if length: - file.seek(length, 1) - combined += length + 4 - - length = i8(read(1)) - if length: - # Don't know the proper encoding, - # Latin-1 should be a good guess - name = read(length).decode('latin-1', 'replace') - combined += length + 1 - - file.seek(size - combined, 1) - layers.append((name, mode, (x0, y0, x1, y1))) - - # get tiles - i = 0 - for name, mode, bbox in layers: - tile = [] - for m in mode: - t = _maketile(file, m, bbox, 1) - if t: - tile.extend(t) - layers[i] = name, mode, bbox, tile - i += 1 - - return layers - - -def _maketile(file, mode, bbox, channels): - - tile = None - read = file.read - - compression = i16(read(2)) - - xsize = bbox[2] - bbox[0] - ysize = bbox[3] - bbox[1] - - offset = file.tell() - - if compression == 0: - # - # raw compression - tile = [] - for channel in range(channels): - layer = mode[channel] - if mode == "CMYK": - layer += ";I" - tile.append(("raw", bbox, offset, layer)) - offset = offset + xsize*ysize - - elif compression == 1: - # - # packbits compression - i = 0 - tile = [] - bytecount = read(channels * ysize * 2) - offset = file.tell() - for channel in range(channels): - layer = mode[channel] - if mode == "CMYK": - layer += ";I" - tile.append( - ("packbits", bbox, offset, layer) - ) - for y in range(ysize): - offset = offset + i16(bytecount[i:i+2]) - i += 2 - - file.seek(offset) - - if offset & 1: - read(1) # padding - - return tile - -# -------------------------------------------------------------------- -# registry - -Image.register_open(PsdImageFile.format, PsdImageFile, _accept) - -Image.register_extension(PsdImageFile.format, ".psd") diff --git a/PIL/PyAccess.py b/PIL/PyAccess.py deleted file mode 100644 index 8b67a8ea280..00000000000 --- a/PIL/PyAccess.py +++ /dev/null @@ -1,319 +0,0 @@ -# -# The Python Imaging Library -# Pillow fork -# -# Python implementation of the PixelAccess Object -# -# Copyright (c) 1997-2009 by Secret Labs AB. All rights reserved. -# Copyright (c) 1995-2009 by Fredrik Lundh. -# Copyright (c) 2013 Eric Soroos -# -# See the README file for information on usage and redistribution -# - -# Notes: -# -# * Implements the pixel access object following Access. -# * Does not implement the line functions, as they don't appear to be used -# * Taking only the tuple form, which is used from python. -# * Fill.c uses the integer form, but it's still going to use the old -# Access.c implementation. -# - -from __future__ import print_function - -import logging -import sys - -from cffi import FFI - - -logger = logging.getLogger(__name__) - - -defs = """ -struct Pixel_RGBA { - unsigned char r,g,b,a; -}; -struct Pixel_I16 { - unsigned char l,r; -}; -""" -ffi = FFI() -ffi.cdef(defs) - - -class PyAccess(object): - - def __init__(self, img, readonly=False): - vals = dict(img.im.unsafe_ptrs) - self.readonly = readonly - self.image8 = ffi.cast('unsigned char **', vals['image8']) - self.image32 = ffi.cast('int **', vals['image32']) - self.image = ffi.cast('unsigned char **', vals['image']) - self.xsize = vals['xsize'] - self.ysize = vals['ysize'] - - # Keep pointer to im object to prevent dereferencing. - self._im = img.im - - # Debugging is polluting test traces, only useful here - # when hacking on PyAccess - # logger.debug("%s", vals) - self._post_init() - - def _post_init(self): - pass - - def __setitem__(self, xy, color): - """ - Modifies the pixel at x,y. The color is given as a single - numerical value for single band images, and a tuple for - multi-band images - - :param xy: The pixel coordinate, given as (x, y). - :param value: The pixel value. - """ - if self.readonly: - raise ValueError('Attempt to putpixel a read only image') - (x, y) = self.check_xy(xy) - return self.set_pixel(x, y, color) - - def __getitem__(self, xy): - """ - Returns the pixel at x,y. The pixel is returned as a single - value for single band images or a tuple for multiple band - images - - :param xy: The pixel coordinate, given as (x, y). - :returns: a pixel value for single band images, a tuple of - pixel values for multiband images. - """ - - (x, y) = self.check_xy(xy) - return self.get_pixel(x, y) - - putpixel = __setitem__ - getpixel = __getitem__ - - def check_xy(self, xy): - (x, y) = xy - if not (0 <= x < self.xsize and 0 <= y < self.ysize): - raise ValueError('pixel location out of range') - return xy - - -class _PyAccess32_2(PyAccess): - """ PA, LA, stored in first and last bytes of a 32 bit word """ - def _post_init(self, *args, **kwargs): - self.pixels = ffi.cast("struct Pixel_RGBA **", self.image32) - - def get_pixel(self, x, y): - pixel = self.pixels[y][x] - return (pixel.r, pixel.a) - - def set_pixel(self, x, y, color): - pixel = self.pixels[y][x] - # tuple - pixel.r = min(color[0], 255) - pixel.a = min(color[1], 255) - - -class _PyAccess32_3(PyAccess): - """ RGB and friends, stored in the first three bytes of a 32 bit word """ - - def _post_init(self, *args, **kwargs): - self.pixels = ffi.cast("struct Pixel_RGBA **", self.image32) - - def get_pixel(self, x, y): - pixel = self.pixels[y][x] - return (pixel.r, pixel.g, pixel.b) - - def set_pixel(self, x, y, color): - pixel = self.pixels[y][x] - # tuple - pixel.r = min(color[0], 255) - pixel.g = min(color[1], 255) - pixel.b = min(color[2], 255) - - -class _PyAccess32_4(PyAccess): - """ RGBA etc, all 4 bytes of a 32 bit word """ - def _post_init(self, *args, **kwargs): - self.pixels = ffi.cast("struct Pixel_RGBA **", self.image32) - - def get_pixel(self, x, y): - pixel = self.pixels[y][x] - return (pixel.r, pixel.g, pixel.b, pixel.a) - - def set_pixel(self, x, y, color): - pixel = self.pixels[y][x] - # tuple - pixel.r = min(color[0], 255) - pixel.g = min(color[1], 255) - pixel.b = min(color[2], 255) - pixel.a = min(color[3], 255) - - -class _PyAccess8(PyAccess): - """ 1, L, P, 8 bit images stored as uint8 """ - def _post_init(self, *args, **kwargs): - self.pixels = self.image8 - - def get_pixel(self, x, y): - return self.pixels[y][x] - - def set_pixel(self, x, y, color): - try: - # integer - self.pixels[y][x] = min(color, 255) - except: - # tuple - self.pixels[y][x] = min(color[0], 255) - - -class _PyAccessI16_N(PyAccess): - """ I;16 access, native bitendian without conversion """ - def _post_init(self, *args, **kwargs): - self.pixels = ffi.cast('unsigned short **', self.image) - - def get_pixel(self, x, y): - return self.pixels[y][x] - - def set_pixel(self, x, y, color): - try: - # integer - self.pixels[y][x] = min(color, 65535) - except: - # tuple - self.pixels[y][x] = min(color[0], 65535) - - -class _PyAccessI16_L(PyAccess): - """ I;16L access, with conversion """ - def _post_init(self, *args, **kwargs): - self.pixels = ffi.cast('struct Pixel_I16 **', self.image) - - def get_pixel(self, x, y): - pixel = self.pixels[y][x] - return pixel.l + pixel.r * 256 - - def set_pixel(self, x, y, color): - pixel = self.pixels[y][x] - try: - color = min(color, 65535) - except TypeError: - color = min(color[0], 65535) - - pixel.l = color & 0xFF - pixel.r = color >> 8 - - -class _PyAccessI16_B(PyAccess): - """ I;16B access, with conversion """ - def _post_init(self, *args, **kwargs): - self.pixels = ffi.cast('struct Pixel_I16 **', self.image) - - def get_pixel(self, x, y): - pixel = self.pixels[y][x] - return pixel.l * 256 + pixel.r - - def set_pixel(self, x, y, color): - pixel = self.pixels[y][x] - try: - color = min(color, 65535) - except: - color = min(color[0], 65535) - - pixel.l = color >> 8 - pixel.r = color & 0xFF - - -class _PyAccessI32_N(PyAccess): - """ Signed Int32 access, native endian """ - def _post_init(self, *args, **kwargs): - self.pixels = self.image32 - - def get_pixel(self, x, y): - return self.pixels[y][x] - - def set_pixel(self, x, y, color): - self.pixels[y][x] = color - - -class _PyAccessI32_Swap(PyAccess): - """ I;32L/B access, with byteswapping conversion """ - def _post_init(self, *args, **kwargs): - self.pixels = self.image32 - - def reverse(self, i): - orig = ffi.new('int *', i) - chars = ffi.cast('unsigned char *', orig) - chars[0], chars[1], chars[2], chars[3] = chars[3], chars[2], \ - chars[1], chars[0] - return ffi.cast('int *', chars)[0] - - def get_pixel(self, x, y): - return self.reverse(self.pixels[y][x]) - - def set_pixel(self, x, y, color): - self.pixels[y][x] = self.reverse(color) - - -class _PyAccessF(PyAccess): - """ 32 bit float access """ - def _post_init(self, *args, **kwargs): - self.pixels = ffi.cast('float **', self.image32) - - def get_pixel(self, x, y): - return self.pixels[y][x] - - def set_pixel(self, x, y, color): - try: - # not a tuple - self.pixels[y][x] = color - except: - # tuple - self.pixels[y][x] = color[0] - - -mode_map = {'1': _PyAccess8, - 'L': _PyAccess8, - 'P': _PyAccess8, - 'LA': _PyAccess32_2, - 'La': _PyAccess32_2, - 'PA': _PyAccess32_2, - 'RGB': _PyAccess32_3, - 'LAB': _PyAccess32_3, - 'HSV': _PyAccess32_3, - 'YCbCr': _PyAccess32_3, - 'RGBA': _PyAccess32_4, - 'RGBa': _PyAccess32_4, - 'RGBX': _PyAccess32_4, - 'CMYK': _PyAccess32_4, - 'F': _PyAccessF, - 'I': _PyAccessI32_N, - } - -if sys.byteorder == 'little': - mode_map['I;16'] = _PyAccessI16_N - mode_map['I;16L'] = _PyAccessI16_N - mode_map['I;16B'] = _PyAccessI16_B - - mode_map['I;32L'] = _PyAccessI32_N - mode_map['I;32B'] = _PyAccessI32_Swap -else: - mode_map['I;16'] = _PyAccessI16_L - mode_map['I;16L'] = _PyAccessI16_L - mode_map['I;16B'] = _PyAccessI16_N - - mode_map['I;32L'] = _PyAccessI32_Swap - mode_map['I;32B'] = _PyAccessI32_N - - -def new(img, readonly=False): - access_type = mode_map.get(img.mode, None) - if not access_type: - logger.debug("PyAccess Not Implemented: %s", img.mode) - return None - return access_type(img, readonly) diff --git a/PIL/SgiImagePlugin.py b/PIL/SgiImagePlugin.py deleted file mode 100644 index d2efd3e252b..00000000000 --- a/PIL/SgiImagePlugin.py +++ /dev/null @@ -1,87 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# SGI image file handling -# -# See "The SGI Image File Format (Draft version 0.97)", Paul Haeberli. -# -# -# History: -# 1995-09-10 fl Created -# -# Copyright (c) 2008 by Karsten Hiddemann. -# Copyright (c) 1997 by Secret Labs AB. -# Copyright (c) 1995 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - - -from PIL import Image, ImageFile, _binary - -__version__ = "0.2" - -i8 = _binary.i8 -i16 = _binary.i16be - - -def _accept(prefix): - return len(prefix) >= 2 and i16(prefix) == 474 - - -## -# Image plugin for SGI images. - -class SgiImageFile(ImageFile.ImageFile): - - format = "SGI" - format_description = "SGI Image File Format" - - def _open(self): - - # HEAD - s = self.fp.read(512) - if i16(s) != 474: - raise ValueError("Not an SGI image file") - - # relevant header entries - compression = i8(s[2]) - - # bytes, dimension, zsize - layout = i8(s[3]), i16(s[4:]), i16(s[10:]) - - # determine mode from bytes/zsize - if layout == (1, 2, 1) or layout == (1, 1, 1): - self.mode = "L" - elif layout == (1, 3, 3): - self.mode = "RGB" - elif layout == (1, 3, 4): - self.mode = "RGBA" - else: - raise ValueError("Unsupported SGI image mode") - - # size - self.size = i16(s[6:]), i16(s[8:]) - - # decoder info - if compression == 0: - offset = 512 - pagesize = self.size[0]*self.size[1]*layout[0] - self.tile = [] - for layer in self.mode: - self.tile.append( - ("raw", (0, 0)+self.size, offset, (layer, 0, -1))) - offset = offset + pagesize - elif compression == 1: - raise ValueError("SGI RLE encoding not supported") - -# -# registry - -Image.register_open(SgiImageFile.format, SgiImageFile, _accept) - -Image.register_extension(SgiImageFile.format, ".bw") -Image.register_extension(SgiImageFile.format, ".rgb") -Image.register_extension(SgiImageFile.format, ".rgba") -Image.register_extension(SgiImageFile.format, ".sgi") diff --git a/PIL/SpiderImagePlugin.py b/PIL/SpiderImagePlugin.py deleted file mode 100644 index 07f623c7beb..00000000000 --- a/PIL/SpiderImagePlugin.py +++ /dev/null @@ -1,322 +0,0 @@ -# -# The Python Imaging Library. -# -# SPIDER image file handling -# -# History: -# 2004-08-02 Created BB -# 2006-03-02 added save method -# 2006-03-13 added support for stack images -# -# Copyright (c) 2004 by Health Research Inc. (HRI) RENSSELAER, NY 12144. -# Copyright (c) 2004 by William Baxter. -# Copyright (c) 2004 by Secret Labs AB. -# Copyright (c) 2004 by Fredrik Lundh. -# - -## -# Image plugin for the Spider image format. This format is is used -# by the SPIDER software, in processing image data from electron -# microscopy and tomography. -## - -# -# SpiderImagePlugin.py -# -# The Spider image format is used by SPIDER software, in processing -# image data from electron microscopy and tomography. -# -# Spider home page: -# http://spider.wadsworth.org/spider_doc/spider/docs/spider.html -# -# Details about the Spider image format: -# http://spider.wadsworth.org/spider_doc/spider/docs/image_doc.html -# - -from __future__ import print_function - -from PIL import Image, ImageFile -import os -import struct -import sys - - -def isInt(f): - try: - i = int(f) - if f-i == 0: - return 1 - else: - return 0 - except ValueError: - return 0 - except OverflowError: - return 0 - -iforms = [1, 3, -11, -12, -21, -22] - - -# There is no magic number to identify Spider files, so just check a -# series of header locations to see if they have reasonable values. -# Returns no.of bytes in the header, if it is a valid Spider header, -# otherwise returns 0 - -def isSpiderHeader(t): - h = (99,) + t # add 1 value so can use spider header index start=1 - # header values 1,2,5,12,13,22,23 should be integers - for i in [1, 2, 5, 12, 13, 22, 23]: - if not isInt(h[i]): - return 0 - # check iform - iform = int(h[5]) - if iform not in iforms: - return 0 - # check other header values - labrec = int(h[13]) # no. records in file header - labbyt = int(h[22]) # total no. of bytes in header - lenbyt = int(h[23]) # record length in bytes - # print "labrec = %d, labbyt = %d, lenbyt = %d" % (labrec,labbyt,lenbyt) - if labbyt != (labrec * lenbyt): - return 0 - # looks like a valid header - return labbyt - - -def isSpiderImage(filename): - fp = open(filename, 'rb') - f = fp.read(92) # read 23 * 4 bytes - fp.close() - t = struct.unpack('>23f', f) # try big-endian first - hdrlen = isSpiderHeader(t) - if hdrlen == 0: - t = struct.unpack('<23f', f) # little-endian - hdrlen = isSpiderHeader(t) - return hdrlen - - -class SpiderImageFile(ImageFile.ImageFile): - - format = "SPIDER" - format_description = "Spider 2D image" - - def _open(self): - # check header - n = 27 * 4 # read 27 float values - f = self.fp.read(n) - - try: - self.bigendian = 1 - t = struct.unpack('>27f', f) # try big-endian first - hdrlen = isSpiderHeader(t) - if hdrlen == 0: - self.bigendian = 0 - t = struct.unpack('<27f', f) # little-endian - hdrlen = isSpiderHeader(t) - if hdrlen == 0: - raise SyntaxError("not a valid Spider file") - except struct.error: - raise SyntaxError("not a valid Spider file") - - h = (99,) + t # add 1 value : spider header index starts at 1 - iform = int(h[5]) - if iform != 1: - raise SyntaxError("not a Spider 2D image") - - self.size = int(h[12]), int(h[2]) # size in pixels (width, height) - self.istack = int(h[24]) - self.imgnumber = int(h[27]) - - if self.istack == 0 and self.imgnumber == 0: - # stk=0, img=0: a regular 2D image - offset = hdrlen - self._nimages = 1 - elif self.istack > 0 and self.imgnumber == 0: - # stk>0, img=0: Opening the stack for the first time - self.imgbytes = int(h[12]) * int(h[2]) * 4 - self.hdrlen = hdrlen - self._nimages = int(h[26]) - # Point to the first image in the stack - offset = hdrlen * 2 - self.imgnumber = 1 - elif self.istack == 0 and self.imgnumber > 0: - # stk=0, img>0: an image within the stack - offset = hdrlen + self.stkoffset - self.istack = 2 # So Image knows it's still a stack - else: - raise SyntaxError("inconsistent stack header values") - - if self.bigendian: - self.rawmode = "F;32BF" - else: - self.rawmode = "F;32F" - self.mode = "F" - - self.tile = [ - ("raw", (0, 0) + self.size, offset, - (self.rawmode, 0, 1))] - self.__fp = self.fp # FIXME: hack - - @property - def n_frames(self): - return self._nimages - - @property - def is_animated(self): - return self._nimages > 1 - - # 1st image index is zero (although SPIDER imgnumber starts at 1) - def tell(self): - if self.imgnumber < 1: - return 0 - else: - return self.imgnumber - 1 - - def seek(self, frame): - if self.istack == 0: - raise EOFError("attempt to seek in a non-stack file") - if frame >= self._nimages: - raise EOFError("attempt to seek past end of file") - self.stkoffset = self.hdrlen + frame * (self.hdrlen + self.imgbytes) - self.fp = self.__fp - self.fp.seek(self.stkoffset) - self._open() - - # returns a byte image after rescaling to 0..255 - def convert2byte(self, depth=255): - (minimum, maximum) = self.getextrema() - m = 1 - if maximum != minimum: - m = depth / (maximum-minimum) - b = -m * minimum - return self.point(lambda i, m=m, b=b: i * m + b).convert("L") - - # returns a ImageTk.PhotoImage object, after rescaling to 0..255 - def tkPhotoImage(self): - from PIL import ImageTk - return ImageTk.PhotoImage(self.convert2byte(), palette=256) - - -# -------------------------------------------------------------------- -# Image series - -# given a list of filenames, return a list of images -def loadImageSeries(filelist=None): - " create a list of Image.images for use in montage " - if filelist is None or len(filelist) < 1: - return - - imglist = [] - for img in filelist: - if not os.path.exists(img): - print("unable to find %s" % img) - continue - try: - im = Image.open(img).convert2byte() - except: - if not isSpiderImage(img): - print(img + " is not a Spider image file") - continue - im.info['filename'] = img - imglist.append(im) - return imglist - - -# -------------------------------------------------------------------- -# For saving images in Spider format - -def makeSpiderHeader(im): - nsam, nrow = im.size - lenbyt = nsam * 4 # There are labrec records in the header - labrec = 1024 / lenbyt - if 1024 % lenbyt != 0: - labrec += 1 - labbyt = labrec * lenbyt - hdr = [] - nvalues = int(labbyt / 4) - for i in range(nvalues): - hdr.append(0.0) - - if len(hdr) < 23: - return [] - - # NB these are Fortran indices - hdr[1] = 1.0 # nslice (=1 for an image) - hdr[2] = float(nrow) # number of rows per slice - hdr[5] = 1.0 # iform for 2D image - hdr[12] = float(nsam) # number of pixels per line - hdr[13] = float(labrec) # number of records in file header - hdr[22] = float(labbyt) # total number of bytes in header - hdr[23] = float(lenbyt) # record length in bytes - - # adjust for Fortran indexing - hdr = hdr[1:] - hdr.append(0.0) - # pack binary data into a string - hdrstr = [] - for v in hdr: - hdrstr.append(struct.pack('f', v)) - return hdrstr - - -def _save(im, fp, filename): - if im.mode[0] != "F": - im = im.convert('F') - - hdr = makeSpiderHeader(im) - if len(hdr) < 256: - raise IOError("Error creating Spider header") - - # write the SPIDER header - try: - fp = open(filename, 'wb') - except: - raise IOError("Unable to open %s for writing" % filename) - fp.writelines(hdr) - - rawmode = "F;32NF" # 32-bit native floating point - ImageFile._save(im, fp, [("raw", (0, 0)+im.size, 0, (rawmode, 0, 1))]) - - fp.close() - - -def _save_spider(im, fp, filename): - # get the filename extension and register it with Image - ext = os.path.splitext(filename)[1] - Image.register_extension(SpiderImageFile.format, ext) - _save(im, fp, filename) - -# -------------------------------------------------------------------- - -Image.register_open(SpiderImageFile.format, SpiderImageFile) -Image.register_save(SpiderImageFile.format, _save_spider) - -if __name__ == "__main__": - - if not sys.argv[1:]: - print("Syntax: python SpiderImagePlugin.py [infile] [outfile]") - sys.exit() - - filename = sys.argv[1] - if not isSpiderImage(filename): - print("input image must be in Spider format") - sys.exit() - - outfile = "" - if len(sys.argv[1:]) > 1: - outfile = sys.argv[2] - - im = Image.open(filename) - print("image: " + str(im)) - print("format: " + str(im.format)) - print("size: " + str(im.size)) - print("mode: " + str(im.mode)) - print("max, min: ", end=' ') - print(im.getextrema()) - - if outfile != "": - # perform some image operation - im = im.transpose(Image.FLIP_LEFT_RIGHT) - print( - "saving a flipped version of %s as %s " % - (os.path.basename(filename), outfile)) - im.save(outfile, SpiderImageFile.format) diff --git a/PIL/SunImagePlugin.py b/PIL/SunImagePlugin.py deleted file mode 100644 index af63144f28a..00000000000 --- a/PIL/SunImagePlugin.py +++ /dev/null @@ -1,81 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# Sun image file handling -# -# History: -# 1995-09-10 fl Created -# 1996-05-28 fl Fixed 32-bit alignment -# 1998-12-29 fl Import ImagePalette module -# 2001-12-18 fl Fixed palette loading (from Jean-Claude Rimbault) -# -# Copyright (c) 1997-2001 by Secret Labs AB -# Copyright (c) 1995-1996 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - - -from PIL import Image, ImageFile, ImagePalette, _binary - -__version__ = "0.3" - -i32 = _binary.i32be - - -def _accept(prefix): - return len(prefix) >= 4 and i32(prefix) == 0x59a66a95 - - -## -# Image plugin for Sun raster files. - -class SunImageFile(ImageFile.ImageFile): - - format = "SUN" - format_description = "Sun Raster File" - - def _open(self): - - # HEAD - s = self.fp.read(32) - if i32(s) != 0x59a66a95: - raise SyntaxError("not an SUN raster file") - - offset = 32 - - self.size = i32(s[4:8]), i32(s[8:12]) - - depth = i32(s[12:16]) - if depth == 1: - self.mode, rawmode = "1", "1;I" - elif depth == 8: - self.mode = rawmode = "L" - elif depth == 24: - self.mode, rawmode = "RGB", "BGR" - else: - raise SyntaxError("unsupported mode") - - compression = i32(s[20:24]) - - if i32(s[24:28]) != 0: - length = i32(s[28:32]) - offset = offset + length - self.palette = ImagePalette.raw("RGB;L", self.fp.read(length)) - if self.mode == "L": - self.mode = rawmode = "P" - - stride = (((self.size[0] * depth + 7) // 8) + 3) & (~3) - - if compression == 1: - self.tile = [("raw", (0, 0)+self.size, offset, (rawmode, stride))] - elif compression == 2: - self.tile = [("sun_rle", (0, 0)+self.size, offset, rawmode)] - -# -# registry - -Image.register_open(SunImageFile.format, SunImageFile, _accept) - -Image.register_extension(SunImageFile.format, ".ras") diff --git a/PIL/TarIO.py b/PIL/TarIO.py deleted file mode 100644 index 4f3182848a1..00000000000 --- a/PIL/TarIO.py +++ /dev/null @@ -1,56 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# read files from within a tar file -# -# History: -# 95-06-18 fl Created -# 96-05-28 fl Open files in binary mode -# -# Copyright (c) Secret Labs AB 1997. -# Copyright (c) Fredrik Lundh 1995-96. -# -# See the README file for information on usage and redistribution. -# - -from PIL import ContainerIO - - -## -# A file object that provides read access to a given member of a TAR -# file. - -class TarIO(ContainerIO.ContainerIO): - - def __init__(self, tarfile, file): - """ - Create file object. - - :param tarfile: Name of TAR file. - :param file: Name of member file. - """ - fh = open(tarfile, "rb") - - while True: - - s = fh.read(512) - if len(s) != 512: - raise IOError("unexpected end of tar file") - - name = s[:100].decode('utf-8') - i = name.find('\0') - if i == 0: - raise IOError("cannot find subfile") - if i > 0: - name = name[:i] - - size = int(s[124:135], 8) - - if file == name: - break - - fh.seek((size + 511) & (~511), 1) - - # Open region - ContainerIO.ContainerIO.__init__(self, fh, fh.tell(), size) diff --git a/PIL/TgaImagePlugin.py b/PIL/TgaImagePlugin.py deleted file mode 100644 index a75ce298694..00000000000 --- a/PIL/TgaImagePlugin.py +++ /dev/null @@ -1,198 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# TGA file handling -# -# History: -# 95-09-01 fl created (reads 24-bit files only) -# 97-01-04 fl support more TGA versions, including compressed images -# 98-07-04 fl fixed orientation and alpha layer bugs -# 98-09-11 fl fixed orientation for runlength decoder -# -# Copyright (c) Secret Labs AB 1997-98. -# Copyright (c) Fredrik Lundh 1995-97. -# -# See the README file for information on usage and redistribution. -# - - -from PIL import Image, ImageFile, ImagePalette, _binary - -__version__ = "0.3" - - -# -# -------------------------------------------------------------------- -# Read RGA file - -i8 = _binary.i8 -i16 = _binary.i16le - - -MODES = { - # map imagetype/depth to rawmode - (1, 8): "P", - (3, 1): "1", - (3, 8): "L", - (2, 16): "BGR;5", - (2, 24): "BGR", - (2, 32): "BGRA", -} - - -## -# Image plugin for Targa files. - -class TgaImageFile(ImageFile.ImageFile): - - format = "TGA" - format_description = "Targa" - - def _open(self): - - # process header - s = self.fp.read(18) - - idlen = i8(s[0]) - - colormaptype = i8(s[1]) - imagetype = i8(s[2]) - - depth = i8(s[16]) - - flags = i8(s[17]) - - self.size = i16(s[12:]), i16(s[14:]) - - # validate header fields - if colormaptype not in (0, 1) or\ - self.size[0] <= 0 or self.size[1] <= 0 or\ - depth not in (1, 8, 16, 24, 32): - raise SyntaxError("not a TGA file") - - # image mode - if imagetype in (3, 11): - self.mode = "L" - if depth == 1: - self.mode = "1" # ??? - elif imagetype in (1, 9): - self.mode = "P" - elif imagetype in (2, 10): - self.mode = "RGB" - if depth == 32: - self.mode = "RGBA" - else: - raise SyntaxError("unknown TGA mode") - - # orientation - orientation = flags & 0x30 - if orientation == 0x20: - orientation = 1 - elif not orientation: - orientation = -1 - else: - raise SyntaxError("unknown TGA orientation") - - self.info["orientation"] = orientation - - if imagetype & 8: - self.info["compression"] = "tga_rle" - - if idlen: - self.info["id_section"] = self.fp.read(idlen) - - if colormaptype: - # read palette - start, size, mapdepth = i16(s[3:]), i16(s[5:]), i16(s[7:]) - if mapdepth == 16: - self.palette = ImagePalette.raw( - "BGR;16", b"\0"*2*start + self.fp.read(2*size)) - elif mapdepth == 24: - self.palette = ImagePalette.raw( - "BGR", b"\0"*3*start + self.fp.read(3*size)) - elif mapdepth == 32: - self.palette = ImagePalette.raw( - "BGRA", b"\0"*4*start + self.fp.read(4*size)) - - # setup tile descriptor - try: - rawmode = MODES[(imagetype & 7, depth)] - if imagetype & 8: - # compressed - self.tile = [("tga_rle", (0, 0)+self.size, - self.fp.tell(), (rawmode, orientation, depth))] - else: - self.tile = [("raw", (0, 0)+self.size, - self.fp.tell(), (rawmode, 0, orientation))] - except KeyError: - pass # cannot decode - -# -# -------------------------------------------------------------------- -# Write TGA file - -o8 = _binary.o8 -o16 = _binary.o16le -o32 = _binary.o32le - -SAVE = { - "1": ("1", 1, 0, 3), - "L": ("L", 8, 0, 3), - "P": ("P", 8, 1, 1), - "RGB": ("BGR", 24, 0, 2), - "RGBA": ("BGRA", 32, 0, 2), -} - - -def _save(im, fp, filename, check=0): - - try: - rawmode, bits, colormaptype, imagetype = SAVE[im.mode] - except KeyError: - raise IOError("cannot write mode %s as TGA" % im.mode) - - if check: - return check - - if colormaptype: - colormapfirst, colormaplength, colormapentry = 0, 256, 24 - else: - colormapfirst, colormaplength, colormapentry = 0, 0, 0 - - if im.mode == "RGBA": - flags = 8 - else: - flags = 0 - - orientation = im.info.get("orientation", -1) - if orientation > 0: - flags = flags | 0x20 - - fp.write(b"\000" + - o8(colormaptype) + - o8(imagetype) + - o16(colormapfirst) + - o16(colormaplength) + - o8(colormapentry) + - o16(0) + - o16(0) + - o16(im.size[0]) + - o16(im.size[1]) + - o8(bits) + - o8(flags)) - - if colormaptype: - fp.write(im.im.getpalette("RGB", "BGR")) - - ImageFile._save( - im, fp, [("raw", (0, 0) + im.size, 0, (rawmode, 0, orientation))]) - -# -# -------------------------------------------------------------------- -# Registry - -Image.register_open(TgaImageFile.format, TgaImageFile) -Image.register_save(TgaImageFile.format, _save) - -Image.register_extension(TgaImageFile.format, ".tga") diff --git a/PIL/TiffImagePlugin.py b/PIL/TiffImagePlugin.py deleted file mode 100644 index fefed6b3031..00000000000 --- a/PIL/TiffImagePlugin.py +++ /dev/null @@ -1,1769 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# TIFF file handling -# -# TIFF is a flexible, if somewhat aged, image file format originally -# defined by Aldus. Although TIFF supports a wide variety of pixel -# layouts and compression methods, the name doesn't really stand for -# "thousands of incompatible file formats," it just feels that way. -# -# To read TIFF data from a stream, the stream must be seekable. For -# progressive decoding, make sure to use TIFF files where the tag -# directory is placed first in the file. -# -# History: -# 1995-09-01 fl Created -# 1996-05-04 fl Handle JPEGTABLES tag -# 1996-05-18 fl Fixed COLORMAP support -# 1997-01-05 fl Fixed PREDICTOR support -# 1997-08-27 fl Added support for rational tags (from Perry Stoll) -# 1998-01-10 fl Fixed seek/tell (from Jan Blom) -# 1998-07-15 fl Use private names for internal variables -# 1999-06-13 fl Rewritten for PIL 1.0 (1.0) -# 2000-10-11 fl Additional fixes for Python 2.0 (1.1) -# 2001-04-17 fl Fixed rewind support (seek to frame 0) (1.2) -# 2001-05-12 fl Added write support for more tags (from Greg Couch) (1.3) -# 2001-12-18 fl Added workaround for broken Matrox library -# 2002-01-18 fl Don't mess up if photometric tag is missing (D. Alan Stewart) -# 2003-05-19 fl Check FILLORDER tag -# 2003-09-26 fl Added RGBa support -# 2004-02-24 fl Added DPI support; fixed rational write support -# 2005-02-07 fl Added workaround for broken Corel Draw 10 files -# 2006-01-09 fl Added support for float/double tags (from Russell Nelson) -# -# Copyright (c) 1997-2006 by Secret Labs AB. All rights reserved. -# Copyright (c) 1995-1997 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -from __future__ import division, print_function - -from PIL import Image, ImageFile -from PIL import ImagePalette -from PIL import _binary -from PIL import TiffTags - -import collections -from fractions import Fraction -from numbers import Number, Rational - -import io -import itertools -import os -import struct -import sys -import warnings - -from .TiffTags import TYPES - - -__version__ = "1.3.5" -DEBUG = False # Needs to be merged with the new logging approach. - -# Set these to true to force use of libtiff for reading or writing. -READ_LIBTIFF = False -WRITE_LIBTIFF = False -IFD_LEGACY_API = True - -II = b"II" # little-endian (Intel style) -MM = b"MM" # big-endian (Motorola style) - -i8 = _binary.i8 -o8 = _binary.o8 - -# -# -------------------------------------------------------------------- -# Read TIFF files - -# a few tag names, just to make the code below a bit more readable -IMAGEWIDTH = 256 -IMAGELENGTH = 257 -BITSPERSAMPLE = 258 -COMPRESSION = 259 -PHOTOMETRIC_INTERPRETATION = 262 -FILLORDER = 266 -IMAGEDESCRIPTION = 270 -STRIPOFFSETS = 273 -SAMPLESPERPIXEL = 277 -ROWSPERSTRIP = 278 -STRIPBYTECOUNTS = 279 -X_RESOLUTION = 282 -Y_RESOLUTION = 283 -PLANAR_CONFIGURATION = 284 -RESOLUTION_UNIT = 296 -SOFTWARE = 305 -DATE_TIME = 306 -ARTIST = 315 -PREDICTOR = 317 -COLORMAP = 320 -TILEOFFSETS = 324 -EXTRASAMPLES = 338 -SAMPLEFORMAT = 339 -JPEGTABLES = 347 -COPYRIGHT = 33432 -IPTC_NAA_CHUNK = 33723 # newsphoto properties -PHOTOSHOP_CHUNK = 34377 # photoshop properties -ICCPROFILE = 34675 -EXIFIFD = 34665 -XMP = 700 - -# https://github.com/imagej/ImageJA/blob/master/src/main/java/ij/io/TiffDecoder.java -IMAGEJ_META_DATA_BYTE_COUNTS = 50838 -IMAGEJ_META_DATA = 50839 - -COMPRESSION_INFO = { - # Compression => pil compression name - 1: "raw", - 2: "tiff_ccitt", - 3: "group3", - 4: "group4", - 5: "tiff_lzw", - 6: "tiff_jpeg", # obsolete - 7: "jpeg", - 8: "tiff_adobe_deflate", - 32771: "tiff_raw_16", # 16-bit padding - 32773: "packbits", - 32809: "tiff_thunderscan", - 32946: "tiff_deflate", - 34676: "tiff_sgilog", - 34677: "tiff_sgilog24", -} - -COMPRESSION_INFO_REV = dict([(v, k) for (k, v) in COMPRESSION_INFO.items()]) - -OPEN_INFO = { - # (ByteOrder, PhotoInterpretation, SampleFormat, FillOrder, BitsPerSample, - # ExtraSamples) => mode, rawmode - (II, 0, (1,), 1, (1,), ()): ("1", "1;I"), - (MM, 0, (1,), 1, (1,), ()): ("1", "1;I"), - (II, 0, (1,), 2, (1,), ()): ("1", "1;IR"), - (MM, 0, (1,), 2, (1,), ()): ("1", "1;IR"), - (II, 1, (1,), 1, (1,), ()): ("1", "1"), - (MM, 1, (1,), 1, (1,), ()): ("1", "1"), - (II, 1, (1,), 2, (1,), ()): ("1", "1;R"), - (MM, 1, (1,), 2, (1,), ()): ("1", "1;R"), - - (II, 0, (1,), 1, (2,), ()): ("L", "L;2I"), - (MM, 0, (1,), 1, (2,), ()): ("L", "L;2I"), - (II, 0, (1,), 2, (2,), ()): ("L", "L;2IR"), - (MM, 0, (1,), 2, (2,), ()): ("L", "L;2IR"), - (II, 1, (1,), 1, (2,), ()): ("L", "L;2"), - (MM, 1, (1,), 1, (2,), ()): ("L", "L;2"), - (II, 1, (1,), 2, (2,), ()): ("L", "L;2R"), - (MM, 1, (1,), 2, (2,), ()): ("L", "L;2R"), - - (II, 0, (1,), 1, (4,), ()): ("L", "L;4I"), - (MM, 0, (1,), 1, (4,), ()): ("L", "L;4I"), - (II, 0, (1,), 2, (4,), ()): ("L", "L;4IR"), - (MM, 0, (1,), 2, (4,), ()): ("L", "L;4IR"), - (II, 1, (1,), 1, (4,), ()): ("L", "L;4"), - (MM, 1, (1,), 1, (4,), ()): ("L", "L;4"), - (II, 1, (1,), 2, (4,), ()): ("L", "L;4R"), - (MM, 1, (1,), 2, (4,), ()): ("L", "L;4R"), - - (II, 0, (1,), 1, (8,), ()): ("L", "L;I"), - (MM, 0, (1,), 1, (8,), ()): ("L", "L;I"), - (II, 0, (1,), 2, (8,), ()): ("L", "L;IR"), - (MM, 0, (1,), 2, (8,), ()): ("L", "L;IR"), - (II, 1, (1,), 1, (8,), ()): ("L", "L"), - (MM, 1, (1,), 1, (8,), ()): ("L", "L"), - (II, 1, (1,), 2, (8,), ()): ("L", "L;R"), - (MM, 1, (1,), 2, (8,), ()): ("L", "L;R"), - - (II, 1, (1,), 1, (12,), ()): ("I;16", "I;12"), - - (II, 1, (1,), 1, (16,), ()): ("I;16", "I;16"), - (MM, 1, (1,), 1, (16,), ()): ("I;16B", "I;16B"), - (II, 1, (2,), 1, (16,), ()): ("I;16S", "I;16S"), - (MM, 1, (2,), 1, (16,), ()): ("I;16BS", "I;16BS"), - - (II, 0, (3,), 1, (32,), ()): ("F", "F;32F"), - (MM, 0, (3,), 1, (32,), ()): ("F", "F;32BF"), - (II, 1, (1,), 1, (32,), ()): ("I", "I;32N"), - (II, 1, (2,), 1, (32,), ()): ("I", "I;32S"), - (MM, 1, (2,), 1, (32,), ()): ("I;32BS", "I;32BS"), - (II, 1, (3,), 1, (32,), ()): ("F", "F;32F"), - (MM, 1, (3,), 1, (32,), ()): ("F", "F;32BF"), - - (II, 1, (1,), 1, (8, 8), (2,)): ("LA", "LA"), - (MM, 1, (1,), 1, (8, 8), (2,)): ("LA", "LA"), - - (II, 2, (1,), 1, (8, 8, 8), ()): ("RGB", "RGB"), - (MM, 2, (1,), 1, (8, 8, 8), ()): ("RGB", "RGB"), - (II, 2, (1,), 2, (8, 8, 8), ()): ("RGB", "RGB;R"), - (MM, 2, (1,), 2, (8, 8, 8), ()): ("RGB", "RGB;R"), - (II, 2, (1,), 1, (8, 8, 8, 8), ()): ("RGBA", "RGBA"), # missing ExtraSamples - (MM, 2, (1,), 1, (8, 8, 8, 8), ()): ("RGBA", "RGBA"), # missing ExtraSamples - (II, 2, (1,), 1, (8, 8, 8, 8), (0,)): ("RGBX", "RGBX"), - (MM, 2, (1,), 1, (8, 8, 8, 8), (0,)): ("RGBX", "RGBX"), - (II, 2, (1,), 1, (8, 8, 8, 8), (1,)): ("RGBA", "RGBa"), - (MM, 2, (1,), 1, (8, 8, 8, 8), (1,)): ("RGBA", "RGBa"), - (II, 2, (1,), 1, (8, 8, 8, 8), (2,)): ("RGBA", "RGBA"), - (MM, 2, (1,), 1, (8, 8, 8, 8), (2,)): ("RGBA", "RGBA"), - (II, 2, (1,), 1, (8, 8, 8, 8), (999,)): ("RGBA", "RGBA"), # Corel Draw 10 - (MM, 2, (1,), 1, (8, 8, 8, 8), (999,)): ("RGBA", "RGBA"), # Corel Draw 10 - - (II, 3, (1,), 1, (1,), ()): ("P", "P;1"), - (MM, 3, (1,), 1, (1,), ()): ("P", "P;1"), - (II, 3, (1,), 2, (1,), ()): ("P", "P;1R"), - (MM, 3, (1,), 2, (1,), ()): ("P", "P;1R"), - (II, 3, (1,), 1, (2,), ()): ("P", "P;2"), - (MM, 3, (1,), 1, (2,), ()): ("P", "P;2"), - (II, 3, (1,), 2, (2,), ()): ("P", "P;2R"), - (MM, 3, (1,), 2, (2,), ()): ("P", "P;2R"), - (II, 3, (1,), 1, (4,), ()): ("P", "P;4"), - (MM, 3, (1,), 1, (4,), ()): ("P", "P;4"), - (II, 3, (1,), 2, (4,), ()): ("P", "P;4R"), - (MM, 3, (1,), 2, (4,), ()): ("P", "P;4R"), - (II, 3, (1,), 1, (8,), ()): ("P", "P"), - (MM, 3, (1,), 1, (8,), ()): ("P", "P"), - (II, 3, (1,), 1, (8, 8), (2,)): ("PA", "PA"), - (MM, 3, (1,), 1, (8, 8), (2,)): ("PA", "PA"), - (II, 3, (1,), 2, (8,), ()): ("P", "P;R"), - (MM, 3, (1,), 2, (8,), ()): ("P", "P;R"), - - (II, 5, (1,), 1, (8, 8, 8, 8), ()): ("CMYK", "CMYK"), - (MM, 5, (1,), 1, (8, 8, 8, 8), ()): ("CMYK", "CMYK"), - - (II, 6, (1,), 1, (8, 8, 8), ()): ("YCbCr", "YCbCr"), - (MM, 6, (1,), 1, (8, 8, 8), ()): ("YCbCr", "YCbCr"), - - (II, 8, (1,), 1, (8, 8, 8), ()): ("LAB", "LAB"), - (MM, 8, (1,), 1, (8, 8, 8), ()): ("LAB", "LAB"), -} - -PREFIXES = [b"MM\000\052", b"II\052\000", b"II\xBC\000"] - - -def _accept(prefix): - return prefix[:4] in PREFIXES - - -def _limit_rational(val, max_val): - inv = abs(val) > 1 - n_d = IFDRational(1 / val if inv else val).limit_rational(max_val) - return n_d[::-1] if inv else n_d - -## -# Wrapper for TIFF IFDs. - -_load_dispatch = {} -_write_dispatch = {} - - -class IFDRational(Rational): - """ Implements a rational class where 0/0 is a legal value to match - the in the wild use of exif rationals. - - e.g., DigitalZoomRatio - 0.00/0.00 indicates that no digital zoom was used - """ - - """ If the denominator is 0, store this as a float('nan'), otherwise store - as a fractions.Fraction(). Delegate as appropriate - - """ - - __slots__ = ('_numerator', '_denominator', '_val') - - def __init__(self, value, denominator=1): - """ - :param value: either an integer numerator, a - float/rational/other number, or an IFDRational - :param denominator: Optional integer denominator - """ - self._denominator = denominator - self._numerator = value - self._val = float(1) - - if type(value) == Fraction: - self._numerator = value.numerator - self._denominator = value.denominator - self._val = value - - if type(value) == IFDRational: - self._denominator = value.denominator - self._numerator = value.numerator - self._val = value._val - return - - if denominator == 0: - self._val = float('nan') - return - - elif denominator == 1: - if sys.hexversion < 0x2070000 and type(value) == float: - # python 2.6 is different. - self._val = Fraction.from_float(value) - else: - self._val = Fraction(value) - else: - self._val = Fraction(value, denominator) - - @property - def numerator(a): - return a._numerator - - @property - def denominator(a): - return a._denominator - - def limit_rational(self, max_denominator): - """ - - :param max_denominator: Integer, the maximum denominator value - :returns: Tuple of (numerator, denominator) - """ - - if self.denominator == 0: - return (self.numerator, self.denominator) - - f = self._val.limit_denominator(max_denominator) - return (f.numerator, f.denominator) - - def __repr__(self): - return str(float(self._val)) - - def __hash__(self): - return self._val.__hash__() - - def __eq__(self, other): - return self._val == other - - def _delegate(op): - def delegate(self, *args): - return getattr(self._val, op)(*args) - return delegate - - """ a = ['add','radd', 'sub', 'rsub','div', 'rdiv', 'mul', 'rmul', - 'truediv', 'rtruediv', 'floordiv', - 'rfloordiv','mod','rmod', 'pow','rpow', 'pos', 'neg', - 'abs', 'trunc', 'lt', 'gt', 'le', 'ge', 'nonzero', - 'ceil', 'floor', 'round'] - print "\n".join("__%s__ = _delegate('__%s__')" % (s,s) for s in a) - """ - - __add__ = _delegate('__add__') - __radd__ = _delegate('__radd__') - __sub__ = _delegate('__sub__') - __rsub__ = _delegate('__rsub__') - __div__ = _delegate('__div__') - __rdiv__ = _delegate('__rdiv__') - __mul__ = _delegate('__mul__') - __rmul__ = _delegate('__rmul__') - __truediv__ = _delegate('__truediv__') - __rtruediv__ = _delegate('__rtruediv__') - __floordiv__ = _delegate('__floordiv__') - __rfloordiv__ = _delegate('__rfloordiv__') - __mod__ = _delegate('__mod__') - __rmod__ = _delegate('__rmod__') - __pow__ = _delegate('__pow__') - __rpow__ = _delegate('__rpow__') - __pos__ = _delegate('__pos__') - __neg__ = _delegate('__neg__') - __abs__ = _delegate('__abs__') - __trunc__ = _delegate('__trunc__') - __lt__ = _delegate('__lt__') - __gt__ = _delegate('__gt__') - __le__ = _delegate('__le__') - __ge__ = _delegate('__ge__') - __nonzero__ = _delegate('__nonzero__') - __ceil__ = _delegate('__ceil__') - __floor__ = _delegate('__floor__') - __round__ = _delegate('__round__') - - -class ImageFileDirectory_v2(collections.MutableMapping): - """This class represents a TIFF tag directory. To speed things up, we - don't decode tags unless they're asked for. - - Exposes a dictionary interface of the tags in the directory:: - - ifd = ImageFileDirectory_v2() - ifd[key] = 'Some Data' - ifd.tagtype[key] = 2 - print(ifd[key]) - 'Some Data' - - Individual values are returned as the strings or numbers, sequences are - returned as tuples of the values. - - The tiff metadata type of each item is stored in a dictionary of - tag types in - `~PIL.TiffImagePlugin.ImageFileDirectory_v2.tagtype`. The types - are read from a tiff file, guessed from the type added, or added - manually. - - Data Structures: - - * self.tagtype = {} - - * Key: numerical tiff tag number - * Value: integer corresponding to the data type from `~PIL.TiffTags.TYPES` - - .. versionadded:: 3.0.0 - """ - """ - Documentation: - - 'internal' data structures: - * self._tags_v2 = {} Key: numerical tiff tag number - Value: decoded data, as tuple for multiple values - * self._tagdata = {} Key: numerical tiff tag number - Value: undecoded byte string from file - * self._tags_v1 = {} Key: numerical tiff tag number - Value: decoded data in the v1 format - - Tags will be found in the private attributes self._tagdata, and in - self._tags_v2 once decoded. - - Self.legacy_api is a value for internal use, and shouldn't be - changed from outside code. In cooperation with the - ImageFileDirectory_v1 class, if legacy_api is true, then decoded - tags will be populated into both _tags_v1 and _tags_v2. _Tags_v2 - will be used if this IFD is used in the TIFF save routine. Tags - should be read from tags_v1 if legacy_api == true. - - """ - - def __init__(self, ifh=b"II\052\0\0\0\0\0", prefix=None): - """Initialize an ImageFileDirectory. - - To construct an ImageFileDirectory from a real file, pass the 8-byte - magic header to the constructor. To only set the endianness, pass it - as the 'prefix' keyword argument. - - :param ifh: One of the accepted magic headers (cf. PREFIXES); also sets - endianness. - :param prefix: Override the endianness of the file. - """ - if ifh[:4] not in PREFIXES: - raise SyntaxError("not a TIFF file (header %r not valid)" % ifh) - self._prefix = prefix if prefix is not None else ifh[:2] - if self._prefix == MM: - self._endian = ">" - elif self._prefix == II: - self._endian = "<" - else: - raise SyntaxError("not a TIFF IFD") - self.reset() - self.next, = self._unpack("L", ifh[4:]) - self._legacy_api = False - - prefix = property(lambda self: self._prefix) - offset = property(lambda self: self._offset) - legacy_api = property(lambda self: self._legacy_api) - - @legacy_api.setter - def legacy_api(self, value): - raise Exception("Not allowing setting of legacy api") - - def reset(self): - self._tags_v1 = {} # will remain empty if legacy_api is false - self._tags_v2 = {} # main tag storage - self._tagdata = {} - self.tagtype = {} # added 2008-06-05 by Florian Hoech - self._next = None - self._offset = None - - def __str__(self): - return str(dict(self)) - - def as_dict(self): - """Return a dictionary of the image's tags. - - .. deprecated:: 3.0.0 - """ - warnings.warn("as_dict() is deprecated. " + - "Please use dict(ifd) instead.", DeprecationWarning) - return dict(self) - - def named(self): - """ - :returns: dict of name|key: value - - Returns the complete tag dictionary, with named tags where possible. - """ - return dict((TiffTags.lookup(code).name, value) - for code, value in self.items()) - - def __len__(self): - return len(set(self._tagdata) | set(self._tags_v2)) - - def __getitem__(self, tag): - if tag not in self._tags_v2: # unpack on the fly - data = self._tagdata[tag] - typ = self.tagtype[tag] - size, handler = self._load_dispatch[typ] - self[tag] = handler(self, data, self.legacy_api) # check type - val = self._tags_v2[tag] - if self.legacy_api and not isinstance(val, (tuple, bytes)): - val = val, - return val - - def __contains__(self, tag): - return tag in self._tags_v2 or tag in self._tagdata - - if bytes is str: - def has_key(self, tag): - return tag in self - - def __setitem__(self, tag, value): - self._setitem(tag, value, self.legacy_api) - - def _setitem(self, tag, value, legacy_api): - basetypes = (Number, bytes, str) - if bytes is str: - basetypes += unicode, - - info = TiffTags.lookup(tag) - values = [value] if isinstance(value, basetypes) else value - - if tag not in self.tagtype: - if info.type: - self.tagtype[tag] = info.type - else: - self.tagtype[tag] = 7 - if all(isinstance(v, IFDRational) for v in values): - self.tagtype[tag] = 5 - elif all(isinstance(v, int) for v in values): - if all(v < 2 ** 16 for v in values): - self.tagtype[tag] = 3 - else: - self.tagtype[tag] = 4 - elif all(isinstance(v, float) for v in values): - self.tagtype[tag] = 12 - else: - if bytes is str: - # Never treat data as binary by default on Python 2. - self.tagtype[tag] = 2 - else: - if all(isinstance(v, str) for v in values): - self.tagtype[tag] = 2 - - if self.tagtype[tag] == 7 and bytes is not str: - values = [value.encode("ascii", 'replace') if isinstance(value, str) else value] - - values = tuple(info.cvt_enum(value) for value in values) - - dest = self._tags_v1 if legacy_api else self._tags_v2 - - if info.length == 1: - if legacy_api and self.tagtype[tag] in [5, 10]: - values = values, - dest[tag], = values - else: - dest[tag] = values - - def __delitem__(self, tag): - self._tags_v2.pop(tag, None) - self._tags_v1.pop(tag, None) - self._tagdata.pop(tag, None) - - def __iter__(self): - return iter(set(self._tagdata) | set(self._tags_v2)) - - def _unpack(self, fmt, data): - return struct.unpack(self._endian + fmt, data) - - def _pack(self, fmt, *values): - return struct.pack(self._endian + fmt, *values) - - def _register_loader(idx, size): - def decorator(func): - from PIL.TiffTags import TYPES - if func.__name__.startswith("load_"): - TYPES[idx] = func.__name__[5:].replace("_", " ") - _load_dispatch[idx] = size, func - return func - return decorator - - def _register_writer(idx): - def decorator(func): - _write_dispatch[idx] = func - return func - return decorator - - def _register_basic(idx_fmt_name): - from PIL.TiffTags import TYPES - idx, fmt, name = idx_fmt_name - TYPES[idx] = name - size = struct.calcsize("=" + fmt) - _load_dispatch[idx] = size, lambda self, data, legacy_api=True: ( - self._unpack("{0}{1}".format(len(data) // size, fmt), data)) - _write_dispatch[idx] = lambda self, *values: ( - b"".join(self._pack(fmt, value) for value in values)) - - list(map(_register_basic, - [(3, "H", "short"), (4, "L", "long"), - (6, "b", "signed byte"), (8, "h", "signed short"), - (9, "l", "signed long"), (11, "f", "float"), (12, "d", "double")])) - - @_register_loader(1, 1) # Basic type, except for the legacy API. - def load_byte(self, data, legacy_api=True): - return data - - @_register_writer(1) # Basic type, except for the legacy API. - def write_byte(self, data): - return data - - @_register_loader(2, 1) - def load_string(self, data, legacy_api=True): - if data.endswith(b"\0"): - data = data[:-1] - return data.decode("latin-1", "replace") - - @_register_writer(2) - def write_string(self, value): - # remerge of https://github.com/python-pillow/Pillow/pull/1416 - if sys.version_info[0] == 2: - value = value.decode('ascii', 'replace') - return b"" + value.encode('ascii', 'replace') + b"\0" - - @_register_loader(5, 8) - def load_rational(self, data, legacy_api=True): - vals = self._unpack("{0}L".format(len(data) // 4), data) - combine = lambda a, b: (a, b) if legacy_api else IFDRational(a, b) - return tuple(combine(num, denom) - for num, denom in zip(vals[::2], vals[1::2])) - - @_register_writer(5) - def write_rational(self, *values): - return b"".join(self._pack("2L", *_limit_rational(frac, 2 ** 31)) - for frac in values) - - @_register_loader(7, 1) - def load_undefined(self, data, legacy_api=True): - return data - - @_register_writer(7) - def write_undefined(self, value): - return value - - @_register_loader(10, 8) - def load_signed_rational(self, data, legacy_api=True): - vals = self._unpack("{0}l".format(len(data) // 4), data) - combine = lambda a, b: (a, b) if legacy_api else IFDRational(a, b) - return tuple(combine(num, denom) - for num, denom in zip(vals[::2], vals[1::2])) - - @_register_writer(10) - def write_signed_rational(self, *values): - return b"".join(self._pack("2L", *_limit_rational(frac, 2 ** 30)) - for frac in values) - - def _ensure_read(self, fp, size): - ret = fp.read(size) - if len(ret) != size: - raise IOError("Corrupt EXIF data. " + - "Expecting to read %d bytes but only got %d. " % - (size, len(ret))) - return ret - - def load(self, fp): - - self.reset() - self._offset = fp.tell() - - try: - for i in range(self._unpack("H", self._ensure_read(fp, 2))[0]): - tag, typ, count, data = self._unpack("HHL4s", self._ensure_read(fp, 12)) - if DEBUG: - tagname = TiffTags.lookup(tag).name - typname = TYPES.get(typ, "unknown") - print("tag: %s (%d) - type: %s (%d)" % - (tagname, tag, typname, typ), end=" ") - - try: - unit_size, handler = self._load_dispatch[typ] - except KeyError: - if DEBUG: - print("- unsupported type", typ) - continue # ignore unsupported type - size = count * unit_size - if size > 4: - here = fp.tell() - offset, = self._unpack("L", data) - if DEBUG: - print("Tag Location: %s - Data Location: %s" % - (here, offset), end=" ") - fp.seek(offset) - data = ImageFile._safe_read(fp, size) - fp.seek(here) - else: - data = data[:size] - - if len(data) != size: - warnings.warn("Possibly corrupt EXIF data. " - "Expecting to read %d bytes but only got %d. " - "Skipping tag %s" % (size, len(data), tag)) - continue - - if not data: - continue - - self._tagdata[tag] = data - self.tagtype[tag] = typ - - if DEBUG: - if size > 32: - print("- value: " % size) - else: - print("- value:", self[tag]) - - self.next, = self._unpack("L", self._ensure_read(fp, 4)) - except IOError as msg: - warnings.warn(str(msg)) - return - - def save(self, fp): - - if fp.tell() == 0: # skip TIFF header on subsequent pages - # tiff header -- PIL always starts the first IFD at offset 8 - fp.write(self._prefix + self._pack("HL", 42, 8)) - - # FIXME What about tagdata? - fp.write(self._pack("H", len(self._tags_v2))) - - entries = [] - offset = fp.tell() + len(self._tags_v2) * 12 + 4 - stripoffsets = None - - # pass 1: convert tags to binary format - # always write tags in ascending order - for tag, value in sorted(self._tags_v2.items()): - if tag == STRIPOFFSETS: - stripoffsets = len(entries) - typ = self.tagtype.get(tag) - if DEBUG: - print("Tag %s, Type: %s, Value: %s" % (tag, typ, value)) - values = value if isinstance(value, tuple) else (value,) - data = self._write_dispatch[typ](self, *values) - if DEBUG: - tagname = TiffTags.lookup(tag).name - typname = TYPES.get(typ, "unknown") - print("save: %s (%d) - type: %s (%d)" % - (tagname, tag, typname, typ), end=" ") - if len(data) >= 16: - print("- value: " % len(data)) - else: - print("- value:", values) - - # count is sum of lengths for string and arbitrary data - count = len(data) if typ in [2, 7] else len(values) - # figure out if data fits into the entry - if len(data) <= 4: - entries.append((tag, typ, count, data.ljust(4, b"\0"), b"")) - else: - entries.append((tag, typ, count, self._pack("L", offset), data)) - offset += (len(data) + 1) // 2 * 2 # pad to word - - # update strip offset data to point beyond auxiliary data - if stripoffsets is not None: - tag, typ, count, value, data = entries[stripoffsets] - if data: - raise NotImplementedError( - "multistrip support not yet implemented") - value = self._pack("L", self._unpack("L", value)[0] + offset) - entries[stripoffsets] = tag, typ, count, value, data - - # pass 2: write entries to file - for tag, typ, count, value, data in entries: - if DEBUG > 1: - print(tag, typ, count, repr(value), repr(data)) - fp.write(self._pack("HHL4s", tag, typ, count, value)) - - # -- overwrite here for multi-page -- - fp.write(b"\0\0\0\0") # end of entries - - # pass 3: write auxiliary data to file - for tag, typ, count, value, data in entries: - fp.write(data) - if len(data) & 1: - fp.write(b"\0") - - return offset - -ImageFileDirectory_v2._load_dispatch = _load_dispatch -ImageFileDirectory_v2._write_dispatch = _write_dispatch -for idx, name in TYPES.items(): - name = name.replace(" ", "_") - setattr(ImageFileDirectory_v2, "load_" + name, _load_dispatch[idx][1]) - setattr(ImageFileDirectory_v2, "write_" + name, _write_dispatch[idx]) -del _load_dispatch, _write_dispatch, idx, name - - -# Legacy ImageFileDirectory support. -class ImageFileDirectory_v1(ImageFileDirectory_v2): - """This class represents the **legacy** interface to a TIFF tag directory. - - Exposes a dictionary interface of the tags in the directory:: - - ifd = ImageFileDirectory_v1() - ifd[key] = 'Some Data' - ifd.tagtype[key] = 2 - print ifd[key] - ('Some Data',) - - Also contains a dictionary of tag types as read from the tiff image file, - `~PIL.TiffImagePlugin.ImageFileDirectory_v1.tagtype`. - - Values are returned as a tuple. - - .. deprecated:: 3.0.0 - """ - def __init__(self, *args, **kwargs): - ImageFileDirectory_v2.__init__(self, *args, **kwargs) - self._legacy_api = True - - tags = property(lambda self: self._tags_v1) - tagdata = property(lambda self: self._tagdata) - - @classmethod - def from_v2(cls, original): - """ Returns an - :py:class:`~PIL.TiffImagePlugin.ImageFileDirectory_v1` - instance with the same data as is contained in the original - :py:class:`~PIL.TiffImagePlugin.ImageFileDirectory_v2` - instance. - - :returns: :py:class:`~PIL.TiffImagePlugin.ImageFileDirectory_v1` - - """ - - ifd = cls(prefix=original.prefix) - ifd._tagdata = original._tagdata - ifd.tagtype = original.tagtype - ifd.next = original.next # an indicator for multipage tiffs - return ifd - - def to_v2(self): - """ Returns an - :py:class:`~PIL.TiffImagePlugin.ImageFileDirectory_v2` - instance with the same data as is contained in the original - :py:class:`~PIL.TiffImagePlugin.ImageFileDirectory_v1` - instance. - - :returns: :py:class:`~PIL.TiffImagePlugin.ImageFileDirectory_v2` - - """ - - ifd = ImageFileDirectory_v2(prefix=self.prefix) - ifd._tagdata = dict(self._tagdata) - ifd.tagtype = dict(self.tagtype) - ifd._tags_v2 = dict(self._tags_v2) - return ifd - - def __contains__(self, tag): - return tag in self._tags_v1 or tag in self._tagdata - - def __len__(self): - return len(set(self._tagdata) | set(self._tags_v1)) - - def __iter__(self): - return iter(set(self._tagdata) | set(self._tags_v1)) - - def __setitem__(self, tag, value): - for legacy_api in (False, True): - self._setitem(tag, value, legacy_api) - - def __getitem__(self, tag): - if tag not in self._tags_v1: # unpack on the fly - data = self._tagdata[tag] - typ = self.tagtype[tag] - size, handler = self._load_dispatch[typ] - for legacy in (False, True): - self._setitem(tag, handler(self, data, legacy), legacy) - val = self._tags_v1[tag] - if not isinstance(val, (tuple, bytes)): - val = val, - return val - - -# undone -- switch this pointer when IFD_LEGACY_API == False -ImageFileDirectory = ImageFileDirectory_v1 - - -## -# Image plugin for TIFF files. - -class TiffImageFile(ImageFile.ImageFile): - - format = "TIFF" - format_description = "Adobe TIFF" - - def _open(self): - "Open the first image in a TIFF file" - - # Header - ifh = self.fp.read(8) - - # image file directory (tag dictionary) - self.tag_v2 = ImageFileDirectory_v2(ifh) - - # legacy tag/ifd entries will be filled in later - self.tag = self.ifd = None - - # setup frame pointers - self.__first = self.__next = self.tag_v2.next - self.__frame = -1 - self.__fp = self.fp - self._frame_pos = [] - self._n_frames = None - self._is_animated = None - - if DEBUG: - print("*** TiffImageFile._open ***") - print("- __first:", self.__first) - print("- ifh: ", ifh) - - # and load the first frame - self._seek(0) - - @property - def n_frames(self): - if self._n_frames is None: - current = self.tell() - try: - while True: - self._seek(self.tell() + 1) - except EOFError: - self._n_frames = self.tell() + 1 - self.seek(current) - return self._n_frames - - @property - def is_animated(self): - if self._is_animated is None: - current = self.tell() - - try: - self.seek(1) - self._is_animated = True - except EOFError: - self._is_animated = False - - self.seek(current) - return self._is_animated - - def seek(self, frame): - "Select a given frame as current image" - self._seek(max(frame, 0)) # Questionable backwards compatibility. - # Create a new core image object on second and - # subsequent frames in the image. Image may be - # different size/mode. - Image._decompression_bomb_check(self.size) - self.im = Image.core.new(self.mode, self.size) - - def _seek(self, frame): - self.fp = self.__fp - while len(self._frame_pos) <= frame: - if not self.__next: - raise EOFError("no more images in TIFF file") - if DEBUG: - print("Seeking to frame %s, on frame %s, " - "__next %s, location: %s" % - (frame, self.__frame, self.__next, self.fp.tell())) - # reset python3 buffered io handle in case fp - # was passed to libtiff, invalidating the buffer - self.fp.tell() - self.fp.seek(self.__next) - self._frame_pos.append(self.__next) - if DEBUG: - print("Loading tags, location: %s" % self.fp.tell()) - self.tag_v2.load(self.fp) - self.__next = self.tag_v2.next - self.__frame += 1 - self.fp.seek(self._frame_pos[frame]) - self.tag_v2.load(self.fp) - # fill the legacy tag/ifd entries - self.tag = self.ifd = ImageFileDirectory_v1.from_v2(self.tag_v2) - self.__frame = frame - self._setup() - - def tell(self): - "Return the current frame number" - return self.__frame - - def _decoder(self, rawmode, layer, tile=None): - "Setup decoder contexts" - - args = None - if rawmode == "RGB" and self._planar_configuration == 2: - rawmode = rawmode[layer] - compression = self._compression - if compression == "raw": - args = (rawmode, 0, 1) - elif compression == "jpeg": - args = rawmode, "" - if JPEGTABLES in self.tag_v2: - # Hack to handle abbreviated JPEG headers - # FIXME This will fail with more than one value - self.tile_prefix, = self.tag_v2[JPEGTABLES] - elif compression == "packbits": - args = rawmode - elif compression == "tiff_lzw": - args = rawmode - if PREDICTOR in self.tag_v2: - # Section 14: Differencing Predictor - self.decoderconfig = (self.tag_v2[PREDICTOR],) - - if ICCPROFILE in self.tag_v2: - self.info['icc_profile'] = self.tag_v2[ICCPROFILE] - - return args - - def load(self): - if self.use_load_libtiff: - return self._load_libtiff() - return super(TiffImageFile, self).load() - - def _load_libtiff(self): - """ Overload method triggered when we detect a compressed tiff - Calls out to libtiff """ - - pixel = Image.Image.load(self) - - if self.tile is None: - raise IOError("cannot load this image") - if not self.tile: - return pixel - - self.load_prepare() - - if not len(self.tile) == 1: - raise IOError("Not exactly one tile") - - # (self._compression, (extents tuple), - # 0, (rawmode, self._compression, fp)) - extents = self.tile[0][1] - args = list(self.tile[0][3]) + [self.tag_v2.offset] - - # To be nice on memory footprint, if there's a - # file descriptor, use that instead of reading - # into a string in python. - # libtiff closes the file descriptor, so pass in a dup. - try: - fp = hasattr(self.fp, "fileno") and os.dup(self.fp.fileno()) - # flush the file descriptor, prevents error on pypy 2.4+ - # should also eliminate the need for fp.tell for py3 - # in _seek - if hasattr(self.fp, "flush"): - self.fp.flush() - except IOError: - # io.BytesIO have a fileno, but returns an IOError if - # it doesn't use a file descriptor. - fp = False - - if fp: - args[2] = fp - - decoder = Image._getdecoder(self.mode, 'libtiff', tuple(args), - self.decoderconfig) - try: - decoder.setimage(self.im, extents) - except ValueError: - raise IOError("Couldn't set the image") - - if hasattr(self.fp, "getvalue"): - # We've got a stringio like thing passed in. Yay for all in memory. - # The decoder needs the entire file in one shot, so there's not - # a lot we can do here other than give it the entire file. - # unless we could do something like get the address of the - # underlying string for stringio. - # - # Rearranging for supporting byteio items, since they have a fileno - # that returns an IOError if there's no underlying fp. Easier to - # deal with here by reordering. - if DEBUG: - print("have getvalue. just sending in a string from getvalue") - n, err = decoder.decode(self.fp.getvalue()) - elif hasattr(self.fp, "fileno"): - # we've got a actual file on disk, pass in the fp. - if DEBUG: - print("have fileno, calling fileno version of the decoder.") - self.fp.seek(0) - # 4 bytes, otherwise the trace might error out - n, err = decoder.decode(b"fpfp") - else: - # we have something else. - if DEBUG: - print("don't have fileno or getvalue. just reading") - # UNDONE -- so much for that buffer size thing. - n, err = decoder.decode(self.fp.read()) - - self.tile = [] - self.readonly = 0 - # libtiff closed the fp in a, we need to close self.fp, if possible - if hasattr(self.fp, 'close'): - if not self.__next: - self.fp.close() - self.fp = None # might be shared - - if err < 0: - raise IOError(err) - - self.load_end() - - return Image.Image.load(self) - - def _setup(self): - "Setup this image object based on current tags" - - if 0xBC01 in self.tag_v2: - raise IOError("Windows Media Photo files not yet supported") - - # extract relevant tags - self._compression = COMPRESSION_INFO[self.tag_v2.get(COMPRESSION, 1)] - self._planar_configuration = self.tag_v2.get(PLANAR_CONFIGURATION, 1) - - # photometric is a required tag, but not everyone is reading - # the specification - photo = self.tag_v2.get(PHOTOMETRIC_INTERPRETATION, 0) - - fillorder = self.tag_v2.get(FILLORDER, 1) - - if DEBUG: - print("*** Summary ***") - print("- compression:", self._compression) - print("- photometric_interpretation:", photo) - print("- planar_configuration:", self._planar_configuration) - print("- fill_order:", fillorder) - - # size - xsize = self.tag_v2.get(IMAGEWIDTH) - ysize = self.tag_v2.get(IMAGELENGTH) - self.size = xsize, ysize - - if DEBUG: - print("- size:", self.size) - - sampleFormat = self.tag_v2.get(SAMPLEFORMAT, (1,)) - if (len(sampleFormat) > 1 - and max(sampleFormat) == min(sampleFormat) == 1): - # SAMPLEFORMAT is properly per band, so an RGB image will - # be (1,1,1). But, we don't support per band pixel types, - # and anything more than one band is a uint8. So, just - # take the first element. Revisit this if adding support - # for more exotic images. - sampleFormat = (1,) - - # mode: check photometric interpretation and bits per pixel - key = ( - self.tag_v2.prefix, photo, sampleFormat, fillorder, - self.tag_v2.get(BITSPERSAMPLE, (1,)), - self.tag_v2.get(EXTRASAMPLES, ()) - ) - if DEBUG: - print("format key:", key) - try: - self.mode, rawmode = OPEN_INFO[key] - except KeyError: - if DEBUG: - print("- unsupported format") - raise SyntaxError("unknown pixel mode") - - if DEBUG: - print("- raw mode:", rawmode) - print("- pil mode:", self.mode) - - self.info["compression"] = self._compression - - xres = self.tag_v2.get(X_RESOLUTION, 1) - yres = self.tag_v2.get(Y_RESOLUTION, 1) - - if xres and yres: - resunit = self.tag_v2.get(RESOLUTION_UNIT, 1) - if resunit == 2: # dots per inch - self.info["dpi"] = xres, yres - elif resunit == 3: # dots per centimeter. convert to dpi - self.info["dpi"] = xres * 2.54, yres * 2.54 - else: # No absolute unit of measurement - self.info["resolution"] = xres, yres - - # build tile descriptors - x = y = l = 0 - self.tile = [] - self.use_load_libtiff = False - if STRIPOFFSETS in self.tag_v2: - # striped image - offsets = self.tag_v2[STRIPOFFSETS] - h = self.tag_v2.get(ROWSPERSTRIP, ysize) - w = self.size[0] - if READ_LIBTIFF or self._compression in ["tiff_ccitt", "group3", - "group4", "tiff_jpeg", - "tiff_adobe_deflate", - "tiff_thunderscan", - "tiff_deflate", - "tiff_sgilog", - "tiff_sgilog24", - "tiff_raw_16"]: - # if DEBUG: - # print "Activating g4 compression for whole file" - - # Decoder expects entire file as one tile. - # There's a buffer size limit in load (64k) - # so large g4 images will fail if we use that - # function. - # - # Setup the one tile for the whole image, then - # use the _load_libtiff function. - - self.use_load_libtiff = True - - # libtiff handles the fillmode for us, so 1;IR should - # actually be 1;I. Including the R double reverses the - # bits, so stripes of the image are reversed. See - # https://github.com/python-pillow/Pillow/issues/279 - if fillorder == 2: - key = ( - self.tag_v2.prefix, photo, sampleFormat, 1, - self.tag_v2.get(BITSPERSAMPLE, (1,)), - self.tag_v2.get(EXTRASAMPLES, ()) - ) - if DEBUG: - print("format key:", key) - # this should always work, since all the - # fillorder==2 modes have a corresponding - # fillorder=1 mode - self.mode, rawmode = OPEN_INFO[key] - # libtiff always returns the bytes in native order. - # we're expecting image byte order. So, if the rawmode - # contains I;16, we need to convert from native to image - # byte order. - if self.mode in ('I;16B', 'I;16') and 'I;16' in rawmode: - rawmode = 'I;16N' - - # Offset in the tile tuple is 0, we go from 0,0 to - # w,h, and we only do this once -- eds - a = (rawmode, self._compression, False) - self.tile.append( - (self._compression, - (0, 0, w, ysize), - 0, a)) - a = None - - else: - for i in range(len(offsets)): - a = self._decoder(rawmode, l, i) - self.tile.append( - (self._compression, - (0, min(y, ysize), w, min(y+h, ysize)), - offsets[i], a)) - if DEBUG: - print("tiles: ", self.tile) - y = y + h - if y >= self.size[1]: - x = y = 0 - l += 1 - a = None - elif TILEOFFSETS in self.tag_v2: - # tiled image - w = self.tag_v2.get(322) - h = self.tag_v2.get(323) - a = None - for o in self.tag_v2[TILEOFFSETS]: - if not a: - a = self._decoder(rawmode, l) - # FIXME: this doesn't work if the image size - # is not a multiple of the tile size... - self.tile.append( - (self._compression, - (x, y, x+w, y+h), - o, a)) - x = x + w - if x >= self.size[0]: - x, y = 0, y + h - if y >= self.size[1]: - x = y = 0 - l += 1 - a = None - else: - if DEBUG: - print("- unsupported data organization") - raise SyntaxError("unknown data organization") - - # fixup palette descriptor - - if self.mode == "P": - palette = [o8(b // 256) for b in self.tag_v2[COLORMAP]] - self.palette = ImagePalette.raw("RGB;L", b"".join(palette)) -# -# -------------------------------------------------------------------- -# Write TIFF files - -# little endian is default except for image modes with -# explicit big endian byte-order - -SAVE_INFO = { - # mode => rawmode, byteorder, photometrics, - # sampleformat, bitspersample, extra - "1": ("1", II, 1, 1, (1,), None), - "L": ("L", II, 1, 1, (8,), None), - "LA": ("LA", II, 1, 1, (8, 8), 2), - "P": ("P", II, 3, 1, (8,), None), - "PA": ("PA", II, 3, 1, (8, 8), 2), - "I": ("I;32S", II, 1, 2, (32,), None), - "I;16": ("I;16", II, 1, 1, (16,), None), - "I;16S": ("I;16S", II, 1, 2, (16,), None), - "F": ("F;32F", II, 1, 3, (32,), None), - "RGB": ("RGB", II, 2, 1, (8, 8, 8), None), - "RGBX": ("RGBX", II, 2, 1, (8, 8, 8, 8), 0), - "RGBA": ("RGBA", II, 2, 1, (8, 8, 8, 8), 2), - "CMYK": ("CMYK", II, 5, 1, (8, 8, 8, 8), None), - "YCbCr": ("YCbCr", II, 6, 1, (8, 8, 8), None), - "LAB": ("LAB", II, 8, 1, (8, 8, 8), None), - - "I;32BS": ("I;32BS", MM, 1, 2, (32,), None), - "I;16B": ("I;16B", MM, 1, 1, (16,), None), - "I;16BS": ("I;16BS", MM, 1, 2, (16,), None), - "F;32BF": ("F;32BF", MM, 1, 3, (32,), None), -} - - -def _save(im, fp, filename): - - try: - rawmode, prefix, photo, format, bits, extra = SAVE_INFO[im.mode] - except KeyError: - raise IOError("cannot write mode %s as TIFF" % im.mode) - - ifd = ImageFileDirectory_v2(prefix=prefix) - - compression = im.encoderinfo.get('compression', - im.info.get('compression', 'raw')) - - libtiff = WRITE_LIBTIFF or compression != 'raw' - - # required for color libtiff images - ifd[PLANAR_CONFIGURATION] = getattr(im, '_planar_configuration', 1) - - ifd[IMAGEWIDTH] = im.size[0] - ifd[IMAGELENGTH] = im.size[1] - - # write any arbitrary tags passed in as an ImageFileDirectory - info = im.encoderinfo.get("tiffinfo", {}) - if DEBUG: - print("Tiffinfo Keys: %s" % list(info)) - if isinstance(info, ImageFileDirectory_v1): - info = info.to_v2() - for key in info: - ifd[key] = info.get(key) - try: - ifd.tagtype[key] = info.tagtype[key] - except: - pass # might not be an IFD, Might not have populated type - - # additions written by Greg Couch, gregc@cgl.ucsf.edu - # inspired by image-sig posting from Kevin Cazabon, kcazabon@home.com - if hasattr(im, 'tag_v2'): - # preserve tags from original TIFF image file - for key in (RESOLUTION_UNIT, X_RESOLUTION, Y_RESOLUTION, - IPTC_NAA_CHUNK, PHOTOSHOP_CHUNK, XMP): - if key in im.tag_v2: - ifd[key] = im.tag_v2[key] - ifd.tagtype[key] = im.tag_v2.tagtype[key] - - # preserve ICC profile (should also work when saving other formats - # which support profiles as TIFF) -- 2008-06-06 Florian Hoech - if "icc_profile" in im.info: - ifd[ICCPROFILE] = im.info["icc_profile"] - - for key, name in [(IMAGEDESCRIPTION, "description"), - (X_RESOLUTION, "resolution"), - (Y_RESOLUTION, "resolution"), - (X_RESOLUTION, "x_resolution"), - (Y_RESOLUTION, "y_resolution"), - (RESOLUTION_UNIT, "resolution_unit"), - (SOFTWARE, "software"), - (DATE_TIME, "date_time"), - (ARTIST, "artist"), - (COPYRIGHT, "copyright")]: - name_with_spaces = name.replace("_", " ") - if "_" in name and name_with_spaces in im.encoderinfo: - warnings.warn("%r is deprecated; use %r instead" % - (name_with_spaces, name), DeprecationWarning) - ifd[key] = im.encoderinfo[name.replace("_", " ")] - if name in im.encoderinfo: - ifd[key] = im.encoderinfo[name] - - dpi = im.encoderinfo.get("dpi") - if dpi: - ifd[RESOLUTION_UNIT] = 2 - ifd[X_RESOLUTION] = dpi[0] - ifd[Y_RESOLUTION] = dpi[1] - - if bits != (1,): - ifd[BITSPERSAMPLE] = bits - if len(bits) != 1: - ifd[SAMPLESPERPIXEL] = len(bits) - if extra is not None: - ifd[EXTRASAMPLES] = extra - if format != 1: - ifd[SAMPLEFORMAT] = format - - ifd[PHOTOMETRIC_INTERPRETATION] = photo - - if im.mode == "P": - lut = im.im.getpalette("RGB", "RGB;L") - ifd[COLORMAP] = tuple(i8(v) * 256 for v in lut) - # data orientation - stride = len(bits) * ((im.size[0]*bits[0]+7)//8) - ifd[ROWSPERSTRIP] = im.size[1] - ifd[STRIPBYTECOUNTS] = stride * im.size[1] - ifd[STRIPOFFSETS] = 0 # this is adjusted by IFD writer - # no compression by default: - ifd[COMPRESSION] = COMPRESSION_INFO_REV.get(compression, 1) - - if libtiff: - if DEBUG: - print("Saving using libtiff encoder") - print("Items: %s" % sorted(ifd.items())) - _fp = 0 - if hasattr(fp, "fileno"): - try: - fp.seek(0) - _fp = os.dup(fp.fileno()) - except io.UnsupportedOperation: - pass - - # STRIPOFFSETS and STRIPBYTECOUNTS are added by the library - # based on the data in the strip. - blocklist = [STRIPOFFSETS, STRIPBYTECOUNTS] - atts = {} - # bits per sample is a single short in the tiff directory, not a list. - atts[BITSPERSAMPLE] = bits[0] - # Merge the ones that we have with (optional) more bits from - # the original file, e.g x,y resolution so that we can - # save(load('')) == original file. - legacy_ifd = {} - if hasattr(im, 'tag'): - legacy_ifd = im.tag.to_v2() - for tag, value in itertools.chain(ifd.items(), - getattr(im, 'tag_v2', {}).items(), - legacy_ifd.items()): - # Libtiff can only process certain core items without adding - # them to the custom dictionary. It will segfault if it attempts - # to add a custom tag without the dictionary entry - # - # UNDONE -- add code for the custom dictionary - if tag not in TiffTags.LIBTIFF_CORE: - continue - if tag not in atts and tag not in blocklist: - if isinstance(value, unicode if bytes is str else str): - atts[tag] = value.encode('ascii', 'replace') + b"\0" - elif isinstance(value, IFDRational): - atts[tag] = float(value) - else: - atts[tag] = value - - if DEBUG: - print("Converted items: %s" % sorted(atts.items())) - - # libtiff always expects the bytes in native order. - # we're storing image byte order. So, if the rawmode - # contains I;16, we need to convert from native to image - # byte order. - if im.mode in ('I;16B', 'I;16'): - rawmode = 'I;16N' - - a = (rawmode, compression, _fp, filename, atts) - # print(im.mode, compression, a, im.encoderconfig) - e = Image._getencoder(im.mode, 'libtiff', a, im.encoderconfig) - e.setimage(im.im, (0, 0)+im.size) - while True: - # undone, change to self.decodermaxblock: - l, s, d = e.encode(16*1024) - if not _fp: - fp.write(d) - if s: - break - if s < 0: - raise IOError("encoder error %d when writing image file" % s) - - else: - offset = ifd.save(fp) - - ImageFile._save(im, fp, [ - ("raw", (0, 0)+im.size, offset, (rawmode, stride, 1)) - ]) - - # -- helper for multi-page save -- - if "_debug_multipage" in im.encoderinfo: - # just to access o32 and o16 (using correct byte order) - im._debug_multipage = ifd - -class AppendingTiffWriter: - fieldSizes = [ - 0, # None - 1, # byte - 1, # ascii - 2, # short - 4, # long - 8, # rational - 1, # sbyte - 1, # undefined - 2, # sshort - 4, # slong - 8, # srational - 4, # float - 8, # double - ] - - # StripOffsets = 273 - # FreeOffsets = 288 - # TileOffsets = 324 - # JPEGQTables = 519 - # JPEGDCTables = 520 - # JPEGACTables = 521 - Tags = set((273, 288, 324, 519, 520, 521)) - - def __init__(self, fn, new=False): - if hasattr(fn, 'read'): - self.f = fn - self.close_fp = False - else: - self.name = fn - self.close_fp = True - try: - self.f = io.open(fn, "w+b" if new else "r+b") - except IOError: - self.f = io.open(fn, "w+b") - self.beginning = self.f.tell() - self.setup() - - def setup(self): - # Reset everything. - self.f.seek(self.beginning, os.SEEK_SET) - - self.whereToWriteNewIFDOffset = None - self.offsetOfNewPage = 0 - - self.IIMM = IIMM = self.f.read(4) - if not IIMM: - # empty file - first page - self.isFirst = True - return - - self.isFirst = False - if IIMM == b"II\x2a\x00": - self.setEndian("<") - elif IIMM == b"MM\x00\x2a": - self.setEndian(">") - else: - raise RuntimeError("Invalid TIFF file header") - - self.skipIFDs() - self.goToEnd() - - def finalize(self): - if self.isFirst: - return - - # fix offsets - self.f.seek(self.offsetOfNewPage) - - IIMM = self.f.read(4) - if not IIMM: - # raise RuntimeError("nothing written into new page") - # Make it easy to finish a frame without committing to a new one. - return - - if IIMM != self.IIMM: - raise RuntimeError("IIMM of new page doesn't match IIMM of " - "first page") - - IFDoffset = self.readLong() - IFDoffset += self.offsetOfNewPage - self.f.seek(self.whereToWriteNewIFDOffset) - self.writeLong(IFDoffset) - self.f.seek(IFDoffset) - self.fixIFD() - - def newFrame(self): - # Call this to finish a frame. - self.finalize() - self.setup() - - def __enter__(self): - return self - - def __exit__(self, exc_type, exc_value, traceback): - if self.close_fp: - self.close() - return False - - def tell(self): - return self.f.tell() - self.offsetOfNewPage - - def seek(self, offset, whence): - if whence == os.SEEK_SET: - offset += self.offsetOfNewPage - - self.f.seek(offset, whence) - return self.tell() - - def goToEnd(self): - self.f.seek(0, os.SEEK_END) - pos = self.f.tell() - - # pad to 16 byte boundary - padBytes = 16 - pos % 16 - if 0 < padBytes < 16: - self.f.write(bytes(bytearray(padBytes))) - self.offsetOfNewPage = self.f.tell() - - def setEndian(self, endian): - self.endian = endian - self.longFmt = self.endian + "L" - self.shortFmt = self.endian + "H" - self.tagFormat = self.endian + "HHL" - - def skipIFDs(self): - while True: - IFDoffset = self.readLong() - if IFDoffset == 0: - self.whereToWriteNewIFDOffset = self.f.tell() - 4 - break - - self.f.seek(IFDoffset) - numTags = self.readShort() - self.f.seek(numTags * 12, os.SEEK_CUR) - - def write(self, data): - return self.f.write(data) - - def readShort(self): - value, = struct.unpack(self.shortFmt, self.f.read(2)) - return value - - def readLong(self): - value, = struct.unpack(self.longFmt, self.f.read(4)) - return value - - def rewriteLastShortToLong(self, value): - self.f.seek(-2, os.SEEK_CUR) - bytesWritten = self.f.write(struct.pack(self.longFmt, value)) - if bytesWritten is not None and bytesWritten != 4: - raise RuntimeError("wrote only %u bytes but wanted 4" % - bytesWritten) - - def rewriteLastShort(self, value): - self.f.seek(-2, os.SEEK_CUR) - bytesWritten = self.f.write(struct.pack(self.shortFmt, value)) - if bytesWritten is not None and bytesWritten != 2: - raise RuntimeError("wrote only %u bytes but wanted 2" % - bytesWritten) - - def rewriteLastLong(self, value): - self.f.seek(-4, os.SEEK_CUR) - bytesWritten = self.f.write(struct.pack(self.longFmt, value)) - if bytesWritten is not None and bytesWritten != 4: - raise RuntimeError("wrote only %u bytes but wanted 4" % - bytesWritten) - - def writeShort(self, value): - bytesWritten = self.f.write(struct.pack(self.shortFmt, value)) - if bytesWritten is not None and bytesWritten != 2: - raise RuntimeError("wrote only %u bytes but wanted 2" % - bytesWritten) - - def writeLong(self, value): - bytesWritten = self.f.write(struct.pack(self.longFmt, value)) - if bytesWritten is not None and bytesWritten != 4: - raise RuntimeError("wrote only %u bytes but wanted 4" % - bytesWritten) - - def close(self): - self.finalize() - self.f.close() - - def fixIFD(self): - numTags = self.readShort() - #trace("fixing IFD at %X; number of tags: %u (0x%X)", self.f.tell()-2, - # numTags, numTags) - - for i in range(numTags): - tag, fieldType, count = struct.unpack(self.tagFormat, self.f.read(8)) - #trace(" at %X: tag %u (0x%X), type %u, count %u", self.f.tell()-8, - # tag, tag, fieldType, count) - - fieldSize = self.fieldSizes[fieldType] - totalSize = fieldSize * count - isLocal = (totalSize <= 4) - if not isLocal: - offset = self.readLong() - offset += self.offsetOfNewPage - self.rewriteLastLong(offset) - - if tag in self.Tags: - curPos = self.f.tell() - - if isLocal: - self.fixOffsets(count, isShort=(fieldSize == 2), - isLong=(fieldSize == 4)) - self.f.seek(curPos + 4) - else: - self.f.seek(offset) - self.fixOffsets(count, isShort=(fieldSize == 2), - isLong=(fieldSize == 4)) - self.f.seek(curPos) - - offset = curPos = None - - elif isLocal: - # skip the locally stored value that is not an offset - self.f.seek(4, os.SEEK_CUR) - - def fixOffsets(self, count, isShort=False, isLong=False): - if not isShort and not isLong: - raise RuntimeError("offset is neither short nor long") - - for i in range(count): - offset = self.readShort() if isShort else self.readLong() - offset += self.offsetOfNewPage - if isShort and offset >= 65536: - # offset is now too large - we must convert shorts to longs - if count != 1: - raise RuntimeError("not implemented") # XXX TODO - - # simple case - the offset is just one and therefore it is - # local (not referenced with another offset) - self.rewriteLastShortToLong(offset) - self.f.seek(-10, os.SEEK_CUR) - self.writeShort(4) # rewrite the type to LONG - self.f.seek(8, os.SEEK_CUR) - elif isShort: - self.rewriteLastShort(offset) - else: - self.rewriteLastLong(offset) - -def _save_all(im, fp, filename): - if not hasattr(im, "n_frames"): - return _save(im, fp, filename) - - cur_idx = im.tell() - try: - with AppendingTiffWriter(fp) as tf: - for idx in range(im.n_frames): - im.seek(idx) - im.load() - _save(im, tf, filename) - tf.newFrame() - finally: - im.seek(cur_idx) - -# -# -------------------------------------------------------------------- -# Register - -Image.register_open(TiffImageFile.format, TiffImageFile, _accept) -Image.register_save(TiffImageFile.format, _save) -Image.register_save_all(TiffImageFile.format, _save_all) - -Image.register_extension(TiffImageFile.format, ".tif") -Image.register_extension(TiffImageFile.format, ".tiff") - -Image.register_mime(TiffImageFile.format, "image/tiff") diff --git a/PIL/TiffTags.py b/PIL/TiffTags.py deleted file mode 100644 index edb28b9ecb1..00000000000 --- a/PIL/TiffTags.py +++ /dev/null @@ -1,442 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# TIFF tags -# -# This module provides clear-text names for various well-known -# TIFF tags. the TIFF codec works just fine without it. -# -# Copyright (c) Secret Labs AB 1999. -# -# See the README file for information on usage and redistribution. -# - -## -# This module provides constants and clear-text names for various -# well-known TIFF tags. -## - -from collections import namedtuple - - -class TagInfo(namedtuple("_TagInfo", "value name type length enum")): - __slots__ = [] - - def __new__(cls, value=None, name="unknown", type=None, length=0, enum=None): - return super(TagInfo, cls).__new__( - cls, value, name, type, length, enum or {}) - - def cvt_enum(self, value): - return self.enum.get(value, value) - - -def lookup(tag): - """ - :param tag: Integer tag number - :returns: Taginfo namedtuple, From the TAGS_V2 info if possible, - otherwise just populating the value and name from TAGS. - If the tag is not recognized, "unknown" is returned for the name - - """ - - return TAGS_V2.get(tag, TagInfo(tag, TAGS.get(tag, 'unknown'))) - - -## -# Map tag numbers to tag info. -# -# id: (Name, Type, Length, enum_values) -# -# The length here differs from the length in the tiff spec. For -# numbers, the tiff spec is for the number of fields returned. We -# agree here. For string-like types, the tiff spec uses the length of -# field in bytes. In Pillow, we are using the number of expected -# fields, in general 1 for string-like types. - - -BYTE = 1 -ASCII = 2 -SHORT = 3 -LONG = 4 -RATIONAL = 5 -UNDEFINED = 7 -SIGNED_RATIONAL = 10 -DOUBLE = 12 - -TAGS_V2 = { - - 254: ("NewSubfileType", LONG, 1), - 255: ("SubfileType", SHORT, 1), - 256: ("ImageWidth", LONG, 1), - 257: ("ImageLength", LONG, 1), - 258: ("BitsPerSample", SHORT, 0), - 259: ("Compression", SHORT, 1, - {"Uncompressed": 1, "CCITT 1d": 2, "Group 3 Fax": 3, "Group 4 Fax": 4, - "LZW": 5, "JPEG": 6, "PackBits": 32773}), - - 262: ("PhotometricInterpretation", SHORT, 1, - {"WhiteIsZero": 0, "BlackIsZero": 1, "RGB": 2, "RGB Palette": 3, - "Transparency Mask": 4, "CMYK": 5, "YCbCr": 6, "CieLAB": 8, - "CFA": 32803, # TIFF/EP, Adobe DNG - "LinearRaw": 32892}), # Adobe DNG - 263: ("Threshholding", SHORT, 1), - 264: ("CellWidth", SHORT, 1), - 265: ("CellLength", SHORT, 1), - 266: ("FillOrder", SHORT, 1), - 269: ("DocumentName", ASCII, 1), - - 270: ("ImageDescription", ASCII, 1), - 271: ("Make", ASCII, 1), - 272: ("Model", ASCII, 1), - 273: ("StripOffsets", LONG, 0), - 274: ("Orientation", SHORT, 1), - 277: ("SamplesPerPixel", SHORT, 1), - 278: ("RowsPerStrip", LONG, 1), - 279: ("StripByteCounts", LONG, 0), - - 280: ("MinSampleValue", LONG, 0), - 281: ("MaxSampleValue", SHORT, 0), - 282: ("XResolution", RATIONAL, 1), - 283: ("YResolution", RATIONAL, 1), - 284: ("PlanarConfiguration", SHORT, 1, {"Contiguous": 1, "Separate": 2}), - 285: ("PageName", ASCII, 1), - 286: ("XPosition", RATIONAL, 1), - 287: ("YPosition", RATIONAL, 1), - 288: ("FreeOffsets", LONG, 1), - 289: ("FreeByteCounts", LONG, 1), - - 290: ("GrayResponseUnit", SHORT, 1), - 291: ("GrayResponseCurve", SHORT, 0), - 292: ("T4Options", LONG, 1), - 293: ("T6Options", LONG, 1), - 296: ("ResolutionUnit", SHORT, 1, {"none": 1, "inch": 2, "cm": 3}), - 297: ("PageNumber", SHORT, 2), - - 301: ("TransferFunction", SHORT, 0), - 305: ("Software", ASCII, 1), - 306: ("DateTime", ASCII, 1), - - 315: ("Artist", ASCII, 1), - 316: ("HostComputer", ASCII, 1), - 317: ("Predictor", SHORT, 1, {"none": 1, "Horizontal Differencing": 2}), - 318: ("WhitePoint", RATIONAL, 2), - 319: ("PrimaryChromaticities", SHORT, 6), - - 320: ("ColorMap", SHORT, 0), - 321: ("HalftoneHints", SHORT, 2), - 322: ("TileWidth", LONG, 1), - 323: ("TileLength", LONG, 1), - 324: ("TileOffsets", LONG, 0), - 325: ("TileByteCounts", LONG, 0), - - 332: ("InkSet", SHORT, 1), - 333: ("InkNames", ASCII, 1), - 334: ("NumberOfInks", SHORT, 1), - 336: ("DotRange", SHORT, 0), - 337: ("TargetPrinter", ASCII, 1), - 338: ("ExtraSamples", SHORT, 0), - 339: ("SampleFormat", SHORT, 0), - - 340: ("SMinSampleValue", DOUBLE, 0), - 341: ("SMaxSampleValue", DOUBLE, 0), - 342: ("TransferRange", SHORT, 6), - - # obsolete JPEG tags - 512: ("JPEGProc", SHORT, 1), - 513: ("JPEGInterchangeFormat", LONG, 1), - 514: ("JPEGInterchangeFormatLength", LONG, 1), - 515: ("JPEGRestartInterval", SHORT, 1), - 517: ("JPEGLosslessPredictors", SHORT, 0), - 518: ("JPEGPointTransforms", SHORT, 0), - 519: ("JPEGQTables", LONG, 0), - 520: ("JPEGDCTables", LONG, 0), - 521: ("JPEGACTables", LONG, 0), - - 529: ("YCbCrCoefficients", RATIONAL, 3), - 530: ("YCbCrSubSampling", SHORT, 2), - 531: ("YCbCrPositioning", SHORT, 1), - 532: ("ReferenceBlackWhite", LONG, 0), - - 33432: ("Copyright", ASCII, 1), - - # FIXME add more tags here - 34665: ("ExifIFD", SHORT, 1), - 34675: ('ICCProfile', UNDEFINED, 1), - 34853: ('GPSInfoIFD', BYTE, 1), - - # MPInfo - 45056: ("MPFVersion", UNDEFINED, 1), - 45057: ("NumberOfImages", LONG, 1), - 45058: ("MPEntry", UNDEFINED, 1), - 45059: ("ImageUIDList", UNDEFINED, 0), # UNDONE, check - 45060: ("TotalFrames", LONG, 1), - 45313: ("MPIndividualNum", LONG, 1), - 45569: ("PanOrientation", LONG, 1), - 45570: ("PanOverlap_H", RATIONAL, 1), - 45571: ("PanOverlap_V", RATIONAL, 1), - 45572: ("BaseViewpointNum", LONG, 1), - 45573: ("ConvergenceAngle", SIGNED_RATIONAL, 1), - 45574: ("BaselineLength", RATIONAL, 1), - 45575: ("VerticalDivergence", SIGNED_RATIONAL, 1), - 45576: ("AxisDistance_X", SIGNED_RATIONAL, 1), - 45577: ("AxisDistance_Y", SIGNED_RATIONAL, 1), - 45578: ("AxisDistance_Z", SIGNED_RATIONAL, 1), - 45579: ("YawAngle", SIGNED_RATIONAL, 1), - 45580: ("PitchAngle", SIGNED_RATIONAL, 1), - 45581: ("RollAngle", SIGNED_RATIONAL, 1), - - 50741: ("MakerNoteSafety", SHORT, 1, {"Unsafe": 0, "Safe": 1}), - 50780: ("BestQualityScale", RATIONAL, 1), - 50838: ("ImageJMetaDataByteCounts", LONG, 1), - 50839: ("ImageJMetaData", UNDEFINED, 1) -} - -# Legacy Tags structure -# these tags aren't included above, but were in the previous versions -TAGS = {347: 'JPEGTables', - 700: 'XMP', - - # Additional Exif Info - 32932: 'Wang Annotation', - 33434: 'ExposureTime', - 33437: 'FNumber', - 33445: 'MD FileTag', - 33446: 'MD ScalePixel', - 33447: 'MD ColorTable', - 33448: 'MD LabName', - 33449: 'MD SampleInfo', - 33450: 'MD PrepDate', - 33451: 'MD PrepTime', - 33452: 'MD FileUnits', - 33550: 'ModelPixelScaleTag', - 33723: 'IptcNaaInfo', - 33918: 'INGR Packet Data Tag', - 33919: 'INGR Flag Registers', - 33920: 'IrasB Transformation Matrix', - 33922: 'ModelTiepointTag', - 34264: 'ModelTransformationTag', - 34377: 'PhotoshopInfo', - 34735: 'GeoKeyDirectoryTag', - 34736: 'GeoDoubleParamsTag', - 34737: 'GeoAsciiParamsTag', - 34850: 'ExposureProgram', - 34852: 'SpectralSensitivity', - 34855: 'ISOSpeedRatings', - 34856: 'OECF', - 34864: 'SensitivityType', - 34865: 'StandardOutputSensitivity', - 34866: 'RecommendedExposureIndex', - 34867: 'ISOSpeed', - 34868: 'ISOSpeedLatitudeyyy', - 34869: 'ISOSpeedLatitudezzz', - 34908: 'HylaFAX FaxRecvParams', - 34909: 'HylaFAX FaxSubAddress', - 34910: 'HylaFAX FaxRecvTime', - 36864: 'ExifVersion', - 36867: 'DateTimeOriginal', - 36868: 'DateTImeDigitized', - 37121: 'ComponentsConfiguration', - 37122: 'CompressedBitsPerPixel', - 37724: 'ImageSourceData', - 37377: 'ShutterSpeedValue', - 37378: 'ApertureValue', - 37379: 'BrightnessValue', - 37380: 'ExposureBiasValue', - 37381: 'MaxApertureValue', - 37382: 'SubjectDistance', - 37383: 'MeteringMode', - 37384: 'LightSource', - 37385: 'Flash', - 37386: 'FocalLength', - 37396: 'SubjectArea', - 37500: 'MakerNote', - 37510: 'UserComment', - 37520: 'SubSec', - 37521: 'SubSecTimeOriginal', - 37522: 'SubsecTimeDigitized', - 40960: 'FlashPixVersion', - 40961: 'ColorSpace', - 40962: 'PixelXDimension', - 40963: 'PixelYDimension', - 40964: 'RelatedSoundFile', - 40965: 'InteroperabilityIFD', - 41483: 'FlashEnergy', - 41484: 'SpatialFrequencyResponse', - 41486: 'FocalPlaneXResolution', - 41487: 'FocalPlaneYResolution', - 41488: 'FocalPlaneResolutionUnit', - 41492: 'SubjectLocation', - 41493: 'ExposureIndex', - 41495: 'SensingMethod', - 41728: 'FileSource', - 41729: 'SceneType', - 41730: 'CFAPattern', - 41985: 'CustomRendered', - 41986: 'ExposureMode', - 41987: 'WhiteBalance', - 41988: 'DigitalZoomRatio', - 41989: 'FocalLengthIn35mmFilm', - 41990: 'SceneCaptureType', - 41991: 'GainControl', - 41992: 'Contrast', - 41993: 'Saturation', - 41994: 'Sharpness', - 41995: 'DeviceSettingDescription', - 41996: 'SubjectDistanceRange', - 42016: 'ImageUniqueID', - 42032: 'CameraOwnerName', - 42033: 'BodySerialNumber', - 42034: 'LensSpecification', - 42035: 'LensMake', - 42036: 'LensModel', - 42037: 'LensSerialNumber', - 42112: 'GDAL_METADATA', - 42113: 'GDAL_NODATA', - 42240: 'Gamma', - 50215: 'Oce Scanjob Description', - 50216: 'Oce Application Selector', - 50217: 'Oce Identification Number', - 50218: 'Oce ImageLogic Characteristics', - - # Adobe DNG - 50706: 'DNGVersion', - 50707: 'DNGBackwardVersion', - 50708: 'UniqueCameraModel', - 50709: 'LocalizedCameraModel', - 50710: 'CFAPlaneColor', - 50711: 'CFALayout', - 50712: 'LinearizationTable', - 50713: 'BlackLevelRepeatDim', - 50714: 'BlackLevel', - 50715: 'BlackLevelDeltaH', - 50716: 'BlackLevelDeltaV', - 50717: 'WhiteLevel', - 50718: 'DefaultScale', - 50719: 'DefaultCropOrigin', - 50720: 'DefaultCropSize', - 50721: 'ColorMatrix1', - 50722: 'ColorMatrix2', - 50723: 'CameraCalibration1', - 50724: 'CameraCalibration2', - 50725: 'ReductionMatrix1', - 50726: 'ReductionMatrix2', - 50727: 'AnalogBalance', - 50728: 'AsShotNeutral', - 50729: 'AsShotWhiteXY', - 50730: 'BaselineExposure', - 50731: 'BaselineNoise', - 50732: 'BaselineSharpness', - 50733: 'BayerGreenSplit', - 50734: 'LinearResponseLimit', - 50735: 'CameraSerialNumber', - 50736: 'LensInfo', - 50737: 'ChromaBlurRadius', - 50738: 'AntiAliasStrength', - 50740: 'DNGPrivateData', - 50778: 'CalibrationIlluminant1', - 50779: 'CalibrationIlluminant2', - 50784: 'Alias Layer Metadata' - } - - -def _populate(): - for k, v in TAGS_V2.items(): - # Populate legacy structure. - TAGS[k] = v[0] - if len(v) == 4: - for sk, sv in v[3].items(): - TAGS[(k, sv)] = sk - - TAGS_V2[k] = TagInfo(k, *v) - -_populate() -## -# Map type numbers to type names -- defined in ImageFileDirectory. - -TYPES = {} - -# was: -# TYPES = { -# 1: "byte", -# 2: "ascii", -# 3: "short", -# 4: "long", -# 5: "rational", -# 6: "signed byte", -# 7: "undefined", -# 8: "signed short", -# 9: "signed long", -# 10: "signed rational", -# 11: "float", -# 12: "double", -# } - -# -# These tags are handled by default in libtiff, without -# adding to the custom dictionary. From tif_dir.c, searching for -# case TIFFTAG in the _TIFFVSetField function: -# Line: item. -# 148: case TIFFTAG_SUBFILETYPE: -# 151: case TIFFTAG_IMAGEWIDTH: -# 154: case TIFFTAG_IMAGELENGTH: -# 157: case TIFFTAG_BITSPERSAMPLE: -# 181: case TIFFTAG_COMPRESSION: -# 202: case TIFFTAG_PHOTOMETRIC: -# 205: case TIFFTAG_THRESHHOLDING: -# 208: case TIFFTAG_FILLORDER: -# 214: case TIFFTAG_ORIENTATION: -# 221: case TIFFTAG_SAMPLESPERPIXEL: -# 228: case TIFFTAG_ROWSPERSTRIP: -# 238: case TIFFTAG_MINSAMPLEVALUE: -# 241: case TIFFTAG_MAXSAMPLEVALUE: -# 244: case TIFFTAG_SMINSAMPLEVALUE: -# 247: case TIFFTAG_SMAXSAMPLEVALUE: -# 250: case TIFFTAG_XRESOLUTION: -# 256: case TIFFTAG_YRESOLUTION: -# 262: case TIFFTAG_PLANARCONFIG: -# 268: case TIFFTAG_XPOSITION: -# 271: case TIFFTAG_YPOSITION: -# 274: case TIFFTAG_RESOLUTIONUNIT: -# 280: case TIFFTAG_PAGENUMBER: -# 284: case TIFFTAG_HALFTONEHINTS: -# 288: case TIFFTAG_COLORMAP: -# 294: case TIFFTAG_EXTRASAMPLES: -# 298: case TIFFTAG_MATTEING: -# 305: case TIFFTAG_TILEWIDTH: -# 316: case TIFFTAG_TILELENGTH: -# 327: case TIFFTAG_TILEDEPTH: -# 333: case TIFFTAG_DATATYPE: -# 344: case TIFFTAG_SAMPLEFORMAT: -# 361: case TIFFTAG_IMAGEDEPTH: -# 364: case TIFFTAG_SUBIFD: -# 376: case TIFFTAG_YCBCRPOSITIONING: -# 379: case TIFFTAG_YCBCRSUBSAMPLING: -# 383: case TIFFTAG_TRANSFERFUNCTION: -# 389: case TIFFTAG_REFERENCEBLACKWHITE: -# 393: case TIFFTAG_INKNAMES: - -# some of these are not in our TAGS_V2 dict and were included from tiff.h - -LIBTIFF_CORE = set([255, 256, 257, 258, 259, 262, 263, 266, 274, 277, - 278, 280, 281, 340, 341, 282, 283, 284, 286, 287, - 296, 297, 321, 320, 338, 32995, 322, 323, 32998, - 32996, 339, 32997, 330, 531, 530, 301, 532, 333, - # as above - 269 # this has been in our tests forever, and works - ]) - -LIBTIFF_CORE.remove(320) # Array of short, crashes -LIBTIFF_CORE.remove(301) # Array of short, crashes -LIBTIFF_CORE.remove(532) # Array of long, crashes - -LIBTIFF_CORE.remove(255) # We don't have support for subfiletypes -LIBTIFF_CORE.remove(322) # We don't have support for tiled images in libtiff -LIBTIFF_CORE.remove(323) # Tiled images -LIBTIFF_CORE.remove(333) # Ink Names either - -# Note to advanced users: There may be combinations of these -# parameters and values that when added properly, will work and -# produce valid tiff images that may work in your application. -# It is safe to add and remove tags from this set from Pillow's point -# of view so long as you test against libtiff. diff --git a/PIL/WalImageFile.py b/PIL/WalImageFile.py deleted file mode 100644 index b0b1e684a97..00000000000 --- a/PIL/WalImageFile.py +++ /dev/null @@ -1,128 +0,0 @@ -# encoding: utf-8 -# -# The Python Imaging Library. -# $Id$ -# -# WAL file handling -# -# History: -# 2003-04-23 fl created -# -# Copyright (c) 2003 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - -# NOTE: This format cannot be automatically recognized, so the reader -# is not registered for use with Image.open(). To open a WAL file, use -# the WalImageFile.open() function instead. - -# This reader is based on the specification available from: -# http://www.flipcode.com/archives/Quake_2_BSP_File_Format.shtml -# and has been tested with a few sample files found using google. - -from __future__ import print_function - -from PIL import Image, _binary - -try: - import builtins -except ImportError: - import __builtin__ - builtins = __builtin__ - -i32 = _binary.i32le - - -def open(filename): - """ - Load texture from a Quake2 WAL texture file. - - By default, a Quake2 standard palette is attached to the texture. - To override the palette, use the putpalette method. - - :param filename: WAL file name, or an opened file handle. - :returns: An image instance. - """ - # FIXME: modify to return a WalImageFile instance instead of - # plain Image object ? - - if hasattr(filename, "read"): - fp = filename - else: - fp = builtins.open(filename, "rb") - - # read header fields - header = fp.read(32+24+32+12) - size = i32(header, 32), i32(header, 36) - offset = i32(header, 40) - - # load pixel data - fp.seek(offset) - - im = Image.frombytes("P", size, fp.read(size[0] * size[1])) - im.putpalette(quake2palette) - - im.format = "WAL" - im.format_description = "Quake2 Texture" - - # strings are null-terminated - im.info["name"] = header[:32].split(b"\0", 1)[0] - next_name = header[56:56+32].split(b"\0", 1)[0] - if next_name: - im.info["next_name"] = next_name - - return im - - -quake2palette = ( - # default palette taken from piffo 0.93 by Hans Häggström - b"\x01\x01\x01\x0b\x0b\x0b\x12\x12\x12\x17\x17\x17\x1b\x1b\x1b\x1e" - b"\x1e\x1e\x22\x22\x22\x26\x26\x26\x29\x29\x29\x2c\x2c\x2c\x2f\x2f" - b"\x2f\x32\x32\x32\x35\x35\x35\x37\x37\x37\x3a\x3a\x3a\x3c\x3c\x3c" - b"\x24\x1e\x13\x22\x1c\x12\x20\x1b\x12\x1f\x1a\x10\x1d\x19\x10\x1b" - b"\x17\x0f\x1a\x16\x0f\x18\x14\x0d\x17\x13\x0d\x16\x12\x0d\x14\x10" - b"\x0b\x13\x0f\x0b\x10\x0d\x0a\x0f\x0b\x0a\x0d\x0b\x07\x0b\x0a\x07" - b"\x23\x23\x26\x22\x22\x25\x22\x20\x23\x21\x1f\x22\x20\x1e\x20\x1f" - b"\x1d\x1e\x1d\x1b\x1c\x1b\x1a\x1a\x1a\x19\x19\x18\x17\x17\x17\x16" - b"\x16\x14\x14\x14\x13\x13\x13\x10\x10\x10\x0f\x0f\x0f\x0d\x0d\x0d" - b"\x2d\x28\x20\x29\x24\x1c\x27\x22\x1a\x25\x1f\x17\x38\x2e\x1e\x31" - b"\x29\x1a\x2c\x25\x17\x26\x20\x14\x3c\x30\x14\x37\x2c\x13\x33\x28" - b"\x12\x2d\x24\x10\x28\x1f\x0f\x22\x1a\x0b\x1b\x14\x0a\x13\x0f\x07" - b"\x31\x1a\x16\x30\x17\x13\x2e\x16\x10\x2c\x14\x0d\x2a\x12\x0b\x27" - b"\x0f\x0a\x25\x0f\x07\x21\x0d\x01\x1e\x0b\x01\x1c\x0b\x01\x1a\x0b" - b"\x01\x18\x0a\x01\x16\x0a\x01\x13\x0a\x01\x10\x07\x01\x0d\x07\x01" - b"\x29\x23\x1e\x27\x21\x1c\x26\x20\x1b\x25\x1f\x1a\x23\x1d\x19\x21" - b"\x1c\x18\x20\x1b\x17\x1e\x19\x16\x1c\x18\x14\x1b\x17\x13\x19\x14" - b"\x10\x17\x13\x0f\x14\x10\x0d\x12\x0f\x0b\x0f\x0b\x0a\x0b\x0a\x07" - b"\x26\x1a\x0f\x23\x19\x0f\x20\x17\x0f\x1c\x16\x0f\x19\x13\x0d\x14" - b"\x10\x0b\x10\x0d\x0a\x0b\x0a\x07\x33\x22\x1f\x35\x29\x26\x37\x2f" - b"\x2d\x39\x35\x34\x37\x39\x3a\x33\x37\x39\x30\x34\x36\x2b\x31\x34" - b"\x27\x2e\x31\x22\x2b\x2f\x1d\x28\x2c\x17\x25\x2a\x0f\x20\x26\x0d" - b"\x1e\x25\x0b\x1c\x22\x0a\x1b\x20\x07\x19\x1e\x07\x17\x1b\x07\x14" - b"\x18\x01\x12\x16\x01\x0f\x12\x01\x0b\x0d\x01\x07\x0a\x01\x01\x01" - b"\x2c\x21\x21\x2a\x1f\x1f\x29\x1d\x1d\x27\x1c\x1c\x26\x1a\x1a\x24" - b"\x18\x18\x22\x17\x17\x21\x16\x16\x1e\x13\x13\x1b\x12\x12\x18\x10" - b"\x10\x16\x0d\x0d\x12\x0b\x0b\x0d\x0a\x0a\x0a\x07\x07\x01\x01\x01" - b"\x2e\x30\x29\x2d\x2e\x27\x2b\x2c\x26\x2a\x2a\x24\x28\x29\x23\x27" - b"\x27\x21\x26\x26\x1f\x24\x24\x1d\x22\x22\x1c\x1f\x1f\x1a\x1c\x1c" - b"\x18\x19\x19\x16\x17\x17\x13\x13\x13\x10\x0f\x0f\x0d\x0b\x0b\x0a" - b"\x30\x1e\x1b\x2d\x1c\x19\x2c\x1a\x17\x2a\x19\x14\x28\x17\x13\x26" - b"\x16\x10\x24\x13\x0f\x21\x12\x0d\x1f\x10\x0b\x1c\x0f\x0a\x19\x0d" - b"\x0a\x16\x0b\x07\x12\x0a\x07\x0f\x07\x01\x0a\x01\x01\x01\x01\x01" - b"\x28\x29\x38\x26\x27\x36\x25\x26\x34\x24\x24\x31\x22\x22\x2f\x20" - b"\x21\x2d\x1e\x1f\x2a\x1d\x1d\x27\x1b\x1b\x25\x19\x19\x21\x17\x17" - b"\x1e\x14\x14\x1b\x13\x12\x17\x10\x0f\x13\x0d\x0b\x0f\x0a\x07\x07" - b"\x2f\x32\x29\x2d\x30\x26\x2b\x2e\x24\x29\x2c\x21\x27\x2a\x1e\x25" - b"\x28\x1c\x23\x26\x1a\x21\x25\x18\x1e\x22\x14\x1b\x1f\x10\x19\x1c" - b"\x0d\x17\x1a\x0a\x13\x17\x07\x10\x13\x01\x0d\x0f\x01\x0a\x0b\x01" - b"\x01\x3f\x01\x13\x3c\x0b\x1b\x39\x10\x20\x35\x14\x23\x31\x17\x23" - b"\x2d\x18\x23\x29\x18\x3f\x3f\x3f\x3f\x3f\x39\x3f\x3f\x31\x3f\x3f" - b"\x2a\x3f\x3f\x20\x3f\x3f\x14\x3f\x3c\x12\x3f\x39\x0f\x3f\x35\x0b" - b"\x3f\x32\x07\x3f\x2d\x01\x3d\x2a\x01\x3b\x26\x01\x39\x21\x01\x37" - b"\x1d\x01\x34\x1a\x01\x32\x16\x01\x2f\x12\x01\x2d\x0f\x01\x2a\x0b" - b"\x01\x27\x07\x01\x23\x01\x01\x1d\x01\x01\x17\x01\x01\x10\x01\x01" - b"\x3d\x01\x01\x19\x19\x3f\x3f\x01\x01\x01\x01\x3f\x16\x16\x13\x10" - b"\x10\x0f\x0d\x0d\x0b\x3c\x2e\x2a\x36\x27\x20\x30\x21\x18\x29\x1b" - b"\x10\x3c\x39\x37\x37\x32\x2f\x31\x2c\x28\x2b\x26\x21\x30\x22\x20" -) diff --git a/PIL/WebPImagePlugin.py b/PIL/WebPImagePlugin.py deleted file mode 100644 index 6837b53be2b..00000000000 --- a/PIL/WebPImagePlugin.py +++ /dev/null @@ -1,80 +0,0 @@ -from PIL import Image -from PIL import ImageFile -from io import BytesIO -from PIL import _webp - - -_VALID_WEBP_MODES = { - "RGB": True, - "RGBA": True, - } - -_VP8_MODES_BY_IDENTIFIER = { - b"VP8 ": "RGB", - b"VP8X": "RGBA", - b"VP8L": "RGBA", # lossless - } - - -def _accept(prefix): - is_riff_file_format = prefix[:4] == b"RIFF" - is_webp_file = prefix[8:12] == b"WEBP" - is_valid_vp8_mode = prefix[12:16] in _VP8_MODES_BY_IDENTIFIER - - return is_riff_file_format and is_webp_file and is_valid_vp8_mode - - -class WebPImageFile(ImageFile.ImageFile): - - format = "WEBP" - format_description = "WebP image" - - def _open(self): - data, width, height, self.mode, icc_profile, exif = \ - _webp.WebPDecode(self.fp.read()) - - if icc_profile: - self.info["icc_profile"] = icc_profile - if exif: - self.info["exif"] = exif - - self.size = width, height - self.fp = BytesIO(data) - self.tile = [("raw", (0, 0) + self.size, 0, self.mode)] - - def _getexif(self): - from PIL.JpegImagePlugin import _getexif - return _getexif(self) - - -def _save(im, fp, filename): - image_mode = im.mode - if im.mode not in _VALID_WEBP_MODES: - raise IOError("cannot write mode %s as WEBP" % image_mode) - - lossless = im.encoderinfo.get("lossless", False) - quality = im.encoderinfo.get("quality", 80) - icc_profile = im.encoderinfo.get("icc_profile", "") - exif = im.encoderinfo.get("exif", "") - - data = _webp.WebPEncode( - im.tobytes(), - im.size[0], - im.size[1], - lossless, - float(quality), - im.mode, - icc_profile, - exif - ) - if data is None: - raise IOError("cannot write file as WEBP (encoder returned None)") - - fp.write(data) - - -Image.register_open(WebPImageFile.format, WebPImageFile, _accept) -Image.register_save(WebPImageFile.format, _save) - -Image.register_extension(WebPImageFile.format, ".webp") -Image.register_mime(WebPImageFile.format, "image/webp") diff --git a/PIL/WmfImagePlugin.py b/PIL/WmfImagePlugin.py deleted file mode 100644 index 9416035c04c..00000000000 --- a/PIL/WmfImagePlugin.py +++ /dev/null @@ -1,173 +0,0 @@ -# -# The Python Imaging Library -# $Id$ -# -# WMF stub codec -# -# history: -# 1996-12-14 fl Created -# 2004-02-22 fl Turned into a stub driver -# 2004-02-23 fl Added EMF support -# -# Copyright (c) Secret Labs AB 1997-2004. All rights reserved. -# Copyright (c) Fredrik Lundh 1996. -# -# See the README file for information on usage and redistribution. -# - -from PIL import Image, ImageFile, _binary - -__version__ = "0.2" - -_handler = None - -if str != bytes: - long = int - - -def register_handler(handler): - """ - Install application-specific WMF image handler. - - :param handler: Handler object. - """ - global _handler - _handler = handler - -if hasattr(Image.core, "drawwmf"): - # install default handler (windows only) - - class WmfHandler(object): - - def open(self, im): - im.mode = "RGB" - self.bbox = im.info["wmf_bbox"] - - def load(self, im): - im.fp.seek(0) # rewind - return Image.frombytes( - "RGB", im.size, - Image.core.drawwmf(im.fp.read(), im.size, self.bbox), - "raw", "BGR", (im.size[0]*3 + 3) & -4, -1 - ) - - register_handler(WmfHandler()) - -# -------------------------------------------------------------------- - -word = _binary.i16le - - -def short(c, o=0): - v = word(c, o) - if v >= 32768: - v -= 65536 - return v - -dword = _binary.i32le - - -# -# -------------------------------------------------------------------- -# Read WMF file - -def _accept(prefix): - return ( - prefix[:6] == b"\xd7\xcd\xc6\x9a\x00\x00" or - prefix[:4] == b"\x01\x00\x00\x00" - ) - - -## -# Image plugin for Windows metafiles. - -class WmfStubImageFile(ImageFile.StubImageFile): - - format = "WMF" - format_description = "Windows Metafile" - - def _open(self): - - # check placable header - s = self.fp.read(80) - - if s[:6] == b"\xd7\xcd\xc6\x9a\x00\x00": - - # placeable windows metafile - - # get units per inch - inch = word(s, 14) - - # get bounding box - x0 = short(s, 6) - y0 = short(s, 8) - x1 = short(s, 10) - y1 = short(s, 12) - - # normalize size to 72 dots per inch - size = (x1 - x0) * 72 // inch, (y1 - y0) * 72 // inch - - self.info["wmf_bbox"] = x0, y0, x1, y1 - - self.info["dpi"] = 72 - - # print self.mode, self.size, self.info - - # sanity check (standard metafile header) - if s[22:26] != b"\x01\x00\t\x00": - raise SyntaxError("Unsupported WMF file format") - - elif dword(s) == 1 and s[40:44] == b" EMF": - # enhanced metafile - - # get bounding box - x0 = dword(s, 8) - y0 = dword(s, 12) - x1 = dword(s, 16) - y1 = dword(s, 20) - - # get frame (in 0.01 millimeter units) - frame = dword(s, 24), dword(s, 28), dword(s, 32), dword(s, 36) - - # normalize size to 72 dots per inch - size = x1 - x0, y1 - y0 - - # calculate dots per inch from bbox and frame - xdpi = 2540 * (x1 - y0) // (frame[2] - frame[0]) - ydpi = 2540 * (y1 - y0) // (frame[3] - frame[1]) - - self.info["wmf_bbox"] = x0, y0, x1, y1 - - if xdpi == ydpi: - self.info["dpi"] = xdpi - else: - self.info["dpi"] = xdpi, ydpi - - else: - raise SyntaxError("Unsupported file format") - - self.mode = "RGB" - self.size = size - - loader = self._load() - if loader: - loader.open(self) - - def _load(self): - return _handler - - -def _save(im, fp, filename): - if _handler is None or not hasattr("_handler", "save"): - raise IOError("WMF save handler not installed") - _handler.save(im, fp, filename) - -# -# -------------------------------------------------------------------- -# Registry stuff - -Image.register_open(WmfStubImageFile.format, WmfStubImageFile, _accept) -Image.register_save(WmfStubImageFile.format, _save) - -Image.register_extension(WmfStubImageFile.format, ".wmf") -Image.register_extension(WmfStubImageFile.format, ".emf") diff --git a/PIL/XbmImagePlugin.py b/PIL/XbmImagePlugin.py deleted file mode 100644 index bca882866eb..00000000000 --- a/PIL/XbmImagePlugin.py +++ /dev/null @@ -1,96 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# XBM File handling -# -# History: -# 1995-09-08 fl Created -# 1996-11-01 fl Added save support -# 1997-07-07 fl Made header parser more tolerant -# 1997-07-22 fl Fixed yet another parser bug -# 2001-02-17 fl Use 're' instead of 'regex' (Python 2.1) (0.4) -# 2001-05-13 fl Added hotspot handling (based on code from Bernhard Herzog) -# 2004-02-24 fl Allow some whitespace before first #define -# -# Copyright (c) 1997-2004 by Secret Labs AB -# Copyright (c) 1996-1997 by Fredrik Lundh -# -# See the README file for information on usage and redistribution. -# - -import re -from PIL import Image, ImageFile - -__version__ = "0.6" - -# XBM header -xbm_head = re.compile( - b"\s*#define[ \t]+.*_width[ \t]+(?P[0-9]+)[\r\n]+" - b"#define[ \t]+.*_height[ \t]+(?P[0-9]+)[\r\n]+" - b"(?P" - b"#define[ \t]+[^_]*_x_hot[ \t]+(?P[0-9]+)[\r\n]+" - b"#define[ \t]+[^_]*_y_hot[ \t]+(?P[0-9]+)[\r\n]+" - b")?" - b"[\\000-\\377]*_bits\\[\\]" -) - - -def _accept(prefix): - return prefix.lstrip()[:7] == b"#define" - - -## -# Image plugin for X11 bitmaps. - -class XbmImageFile(ImageFile.ImageFile): - - format = "XBM" - format_description = "X11 Bitmap" - - def _open(self): - - m = xbm_head.match(self.fp.read(512)) - - if m: - - xsize = int(m.group("width")) - ysize = int(m.group("height")) - - if m.group("hotspot"): - self.info["hotspot"] = ( - int(m.group("xhot")), int(m.group("yhot")) - ) - - self.mode = "1" - self.size = xsize, ysize - - self.tile = [("xbm", (0, 0)+self.size, m.end(), None)] - - -def _save(im, fp, filename): - - if im.mode != "1": - raise IOError("cannot write mode %s as XBM" % im.mode) - - fp.write(("#define im_width %d\n" % im.size[0]).encode('ascii')) - fp.write(("#define im_height %d\n" % im.size[1]).encode('ascii')) - - hotspot = im.encoderinfo.get("hotspot") - if hotspot: - fp.write(("#define im_x_hot %d\n" % hotspot[0]).encode('ascii')) - fp.write(("#define im_y_hot %d\n" % hotspot[1]).encode('ascii')) - - fp.write(b"static char im_bits[] = {\n") - - ImageFile._save(im, fp, [("xbm", (0, 0)+im.size, 0, None)]) - - fp.write(b"};\n") - - -Image.register_open(XbmImageFile.format, XbmImageFile, _accept) -Image.register_save(XbmImageFile.format, _save) - -Image.register_extension(XbmImageFile.format, ".xbm") - -Image.register_mime(XbmImageFile.format, "image/xbm") diff --git a/PIL/__init__.py b/PIL/__init__.py deleted file mode 100644 index f1f413d4dc5..00000000000 --- a/PIL/__init__.py +++ /dev/null @@ -1,62 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# package placeholder -# -# Copyright (c) 1999 by Secret Labs AB. -# -# See the README file for information on usage and redistribution. -# - -# ;-) - -VERSION = '1.1.7' # PIL version -PILLOW_VERSION = '3.4.0' # Pillow - -__version__ = PILLOW_VERSION - -_plugins = ['BmpImagePlugin', - 'BufrStubImagePlugin', - 'CurImagePlugin', - 'DcxImagePlugin', - 'DdsImagePlugin', - 'EpsImagePlugin', - 'FitsStubImagePlugin', - 'FliImagePlugin', - 'FpxImagePlugin', - 'FtexImagePlugin', - 'GbrImagePlugin', - 'GifImagePlugin', - 'GribStubImagePlugin', - 'Hdf5StubImagePlugin', - 'IcnsImagePlugin', - 'IcoImagePlugin', - 'ImImagePlugin', - 'ImtImagePlugin', - 'IptcImagePlugin', - 'JpegImagePlugin', - 'Jpeg2KImagePlugin', - 'McIdasImagePlugin', - 'MicImagePlugin', - 'MpegImagePlugin', - 'MpoImagePlugin', - 'MspImagePlugin', - 'PalmImagePlugin', - 'PcdImagePlugin', - 'PcxImagePlugin', - 'PdfImagePlugin', - 'PixarImagePlugin', - 'PngImagePlugin', - 'PpmImagePlugin', - 'PsdImagePlugin', - 'SgiImagePlugin', - 'SpiderImagePlugin', - 'SunImagePlugin', - 'TgaImagePlugin', - 'TiffImagePlugin', - 'WebPImagePlugin', - 'WmfImagePlugin', - 'XbmImagePlugin', - 'XpmImagePlugin', - 'XVThumbImagePlugin'] diff --git a/PIL/_binary.py b/PIL/_binary.py deleted file mode 100644 index 1cbe59dea7a..00000000000 --- a/PIL/_binary.py +++ /dev/null @@ -1,74 +0,0 @@ -# -# The Python Imaging Library. -# $Id$ -# -# Binary input/output support routines. -# -# Copyright (c) 1997-2003 by Secret Labs AB -# Copyright (c) 1995-2003 by Fredrik Lundh -# Copyright (c) 2012 by Brian Crowell -# -# See the README file for information on usage and redistribution. -# - -from struct import unpack, pack - -if bytes is str: - def i8(c): - return ord(c) - - def o8(i): - return chr(i & 255) -else: - def i8(c): - return c if c.__class__ is int else c[0] - - def o8(i): - return bytes((i & 255,)) - - -# Input, le = little endian, be = big endian -# TODO: replace with more readable struct.unpack equivalent -def i16le(c, o=0): - """ - Converts a 2-bytes (16 bits) string to an integer. - - c: string containing bytes to convert - o: offset of bytes to convert in string - """ - return unpack("H", c[o:o+2])[0] - - -def i32be(c, o=0): - return unpack(">I", c[o:o+4])[0] - - -# Output, le = little endian, be = big endian -def o16le(i): - return pack("H", i) - - -def o32be(i): - return pack(">I", i) diff --git a/PIL/_tkinter_finder.py b/PIL/_tkinter_finder.py deleted file mode 100644 index 21f0caa2fa3..00000000000 --- a/PIL/_tkinter_finder.py +++ /dev/null @@ -1,20 +0,0 @@ -""" Find compiled module linking to Tcl / Tk libraries -""" -import sys - -if sys.version_info[0] > 2: - from tkinter import _tkinter as tk -else: - from Tkinter import tkinter as tk - -if hasattr(sys, 'pypy_find_executable'): - # Tested with packages at https://bitbucket.org/pypy/pypy/downloads. - # PyPies 1.6, 2.0 do not have tkinter built in. PyPy3-2.3.1 gives an - # OSError trying to import tkinter. Otherwise: - try: # PyPy 5.1, 4.0.0, 2.6.1, 2.6.0 - TKINTER_LIB = tk.tklib_cffi.__file__ - except AttributeError: - # PyPy3 2.4, 2.1-beta1; PyPy 2.5.1, 2.5.0, 2.4.0, 2.3, 2.2, 2.1 - TKINTER_LIB = tk.tkffi.verifier.modulefilename -else: - TKINTER_LIB = tk.__file__ diff --git a/PIL/_util.py b/PIL/_util.py deleted file mode 100644 index 51c6f6887d3..00000000000 --- a/PIL/_util.py +++ /dev/null @@ -1,27 +0,0 @@ -import os - -if bytes is str: - def isStringType(t): - return isinstance(t, basestring) - - def isPath(f): - return isinstance(f, basestring) -else: - def isStringType(t): - return isinstance(t, str) - - def isPath(f): - return isinstance(f, (bytes, str)) - - -# Checks if an object is a string, and that it points to a directory. -def isDirectory(f): - return isPath(f) and os.path.isdir(f) - - -class deferred_error(object): - def __init__(self, ex): - self.ex = ex - - def __getattr__(self, elt): - raise self.ex diff --git a/PIL/features.py b/PIL/features.py deleted file mode 100644 index fd87f094f94..00000000000 --- a/PIL/features.py +++ /dev/null @@ -1,67 +0,0 @@ -from PIL import Image - -modules = { - "pil": "PIL._imaging", - "tkinter": "PIL._imagingtk", - "freetype2": "PIL._imagingft", - "littlecms2": "PIL._imagingcms", - "webp": "PIL._webp", - "transp_webp": ("WEBP", "WebPDecoderBuggyAlpha") -} - - -def check_module(feature): - if feature not in modules: - raise ValueError("Unknown module %s" % feature) - - module = modules[feature] - - method_to_call = None - if type(module) is tuple: - module, method_to_call = module - - try: - imported_module = __import__(module) - except ImportError: - # If a method is being checked, None means that - # rather than the method failing, the module required for the method - # failed to be imported first - return None if method_to_call else False - - if method_to_call: - method = getattr(imported_module, method_to_call) - return method() is True - else: - return True - - -def get_supported_modules(): - supported_modules = [] - for feature in modules: - if check_module(feature): - supported_modules.append(feature) - return supported_modules - -codecs = { - "jpg": "jpeg", - "jpg_2000": "jpeg2k", - "zlib": "zip", - "libtiff": "libtiff" -} - - -def check_codec(feature): - if feature not in codecs: - raise ValueError("Unknown codec %s" % feature) - - codec = codecs[feature] - - return codec + "_encoder" in dir(Image.core) - - -def get_supported_codecs(): - supported_codecs = [] - for feature in codecs: - if check_codec(feature): - supported_codecs.append(feature) - return supported_codecs diff --git a/Pipfile b/Pipfile new file mode 100644 index 00000000000..1e611a63ce7 --- /dev/null +++ b/Pipfile @@ -0,0 +1,22 @@ +[[source]] +url = "https://pypi.org/simple" +verify_ssl = true +name = "pypi" + +[packages] +black = "*" +check-manifest = "*" +coverage = "*" +defusedxml = "*" +packaging = "*" +markdown2 = "*" +olefile = "*" +pyroma = "*" +pytest = "*" +pytest-cov = "*" +pytest-timeout = "*" + +[dev-packages] + 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+ Pillow logo +

+ +# Pillow + +## Python Imaging Library (Fork) + +Pillow is the friendly PIL fork by [Alex Clark and +Contributors](https://github.com/python-pillow/Pillow/graphs/contributors). +PIL is the Python Imaging Library by Fredrik Lundh and Contributors. +As of 2019, Pillow development is +[supported by Tidelift](https://tidelift.com/subscription/pkg/pypi-pillow?utm_source=pypi-pillow&utm_medium=readme&utm_campaign=enterprise). + + + + + + + + + + + + + + + + + + +
docs + Documentation Status +
tests + GitHub Actions build status (Lint) + GitHub Actions build status (Test Linux and macOS) + GitHub Actions build status (Test Windows) + GitHub Actions build status (Test Docker) + AppVeyor CI build status (Windows) + GitHub Actions wheels build status (Wheels) + Travis CI wheels build status (aarch64) + Code coverage + Tidelift Align +
package + Zenodo + Tidelift + Newest PyPI version + Number of PyPI downloads +
social + Join the chat at https://gitter.im/python-pillow/Pillow + Follow on https://twitter.com/PythonPillow +
+ +## Overview + +The Python Imaging Library adds image processing capabilities to your Python interpreter. + +This library provides extensive file format support, an efficient internal representation, and fairly powerful image processing capabilities. + +The core image library is designed for fast access to data stored in a few basic pixel formats. It should provide a solid foundation for a general image processing tool. + +## More Information + +- [Documentation](https://pillow.readthedocs.io/) + - [Installation](https://pillow.readthedocs.io/en/latest/installation.html) + - [Handbook](https://pillow.readthedocs.io/en/latest/handbook/index.html) +- [Contribute](https://github.com/python-pillow/Pillow/blob/main/.github/CONTRIBUTING.md) + - [Issues](https://github.com/python-pillow/Pillow/issues) + - [Pull requests](https://github.com/python-pillow/Pillow/pulls) +- [Release notes](https://pillow.readthedocs.io/en/stable/releasenotes/index.html) +- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst) + - [Pre-fork](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst#pre-fork) + +## Report a Vulnerability + +To report a security vulnerability, please follow the procedure described in the [Tidelift security policy](https://tidelift.com/docs/security). diff --git a/README.rst b/README.rst deleted file mode 100644 index 93e872ece55..00000000000 --- a/README.rst +++ /dev/null @@ -1,75 +0,0 @@ -Pillow -====== - -Python Imaging Library (Fork) ------------------------------ - -Pillow is the friendly PIL fork by `Alex Clark and Contributors `_. PIL is the Python Imaging Library by Fredrik Lundh and Contributors. - -.. start-badges - -.. list-table:: - :stub-columns: 1 - - * - docs - - |docs| - * - tests - - | |linux| |macos| |windows| |coverage| |health| - * - package - - |zenodo| |version| |downloads| - -.. |docs| image:: https://readthedocs.org/projects/pillow/badge/?version=latest - :target: https://pillow.readthedocs.io/?badge=latest - :alt: Documentation Status - -.. |linux| image:: https://img.shields.io/travis/python-pillow/Pillow/master.svg?label=Linux%20build - :target: https://travis-ci.org/python-pillow/Pillow - :alt: Travis CI build status (Linux) - -.. |macos| image:: https://img.shields.io/travis/python-pillow/pillow-wheels/latest.svg?label=macOS%20build - :target: https://travis-ci.org/python-pillow/pillow-wheels - :alt: Travis CI build status (macOS) - -.. |windows| image:: https://img.shields.io/appveyor/ci/python-pillow/Pillow/master.svg?label=Windows%20build - :target: https://ci.appveyor.com/project/python-pillow/Pillow - :alt: AppVeyor CI build status (Windows) - -.. |coverage| image:: https://coveralls.io/repos/python-pillow/Pillow/badge.svg?branch=master&service=github - :target: https://coveralls.io/github/python-pillow/Pillow?branch=master - :alt: Code coverage - -.. |health| image:: https://landscape.io/github/python-pillow/Pillow/master/landscape.svg - :target: https://landscape.io/github/python-pillow/Pillow/master - :alt: Code health - -.. |zenodo| image:: https://zenodo.org/badge/17549/python-pillow/Pillow.svg - :target: https://zenodo.org/badge/latestdoi/17549/python-pillow/Pillow - -.. |version| image:: https://img.shields.io/pypi/v/pillow.svg - :target: https://pypi.python.org/pypi/Pillow/ - :alt: Latest PyPI version - -.. |downloads| image:: https://img.shields.io/pypi/dm/pillow.svg - :target: https://pypi.python.org/pypi/Pillow/ - :alt: Number of PyPI downloads - -.. end-badges - - - -More Information ----------------- - -- `Documentation `_ - - - `Installation `_ - - `Handbook `_ - -- `Contribute `_ - - - `Issues `_ - - `Pull requests `_ - -- `Changelog `_ - - - `Pre-fork `_ diff --git a/RELEASING.md b/RELEASING.md index 181ad1d6dfb..cbedd449c0c 100644 --- a/RELEASING.md +++ b/RELEASING.md @@ -1,113 +1,130 @@ # Release Checklist +See https://pillow.readthedocs.io/en/stable/releasenotes/versioning.html for +information about how the version numbers line up with releases. + ## Main Release -Released quarterly on the first day of January, April, July, October. +Released quarterly on January 2nd, April 1st, July 1st and October 15th. -* [ ] Open a release ticket e.g. https://github.com/python-pillow/Pillow/issues/1174 -* [ ] Develop and prepare release in ``master`` branch. -* [ ] Check [Travis CI](https://travis-ci.org/python-pillow/Pillow) and [AppVeyor CI](https://ci.appveyor.com/project/python-pillow/Pillow) to confirm passing tests in ``master`` branch. -* [ ] In compliance with https://www.python.org/dev/peps/pep-0440/, update version identifier in: -``` - PIL/__init__.py setup.py _imaging.c appveyor.yml -``` +* [ ] Open a release ticket e.g. https://github.com/python-pillow/Pillow/issues/3154 +* [ ] Develop and prepare release in `main` branch. +* [ ] Check [GitHub Actions](https://github.com/python-pillow/Pillow/actions) and [AppVeyor](https://ci.appveyor.com/project/python-pillow/Pillow) to confirm passing tests in `main` branch. +* [ ] Check that all of the wheel builds [Pillow Wheel Builder](https://github.com/python-pillow/pillow-wheels) pass the tests in Travis CI and GitHub Actions. +* [ ] In compliance with [PEP 440](https://www.python.org/dev/peps/pep-0440/), update version identifier in `src/PIL/_version.py` * [ ] Update `CHANGES.rst`. * [ ] Run pre-release check via `make release-test` in a freshly cloned repo. * [ ] Create branch and tag for release e.g.: -``` - $ git branch 2.9.x - $ git tag 2.9.0 - $ git push --all - $ git push --tags -``` -* [ ] Create and upload source distributions e.g.: -``` - $ make sdist - $ make upload -``` -* [ ] Create and upload [binary distributions](#binary-distributions) -* [ ] Manually hide old versions on PyPI such that only the latest major release is visible when viewing https://pypi.python.org/pypi/Pillow (https://pypi.python.org/pypi?:action=pkg_edit&name=Pillow) + ```bash + git branch 5.2.x + git tag 5.2.0 + git push --all + git push --tags + ``` +* [ ] Create and check source distribution: + ```bash + make sdist + twine check dist/* + ``` +* [ ] Create [binary distributions](https://github.com/python-pillow/Pillow/blob/main/RELEASING.md#binary-distributions) +* [ ] Check and upload all binaries and source distributions e.g.: + ```bash + twine check dist/* + twine upload dist/Pillow-5.2.0* + ``` +* [ ] Publish the [release on GitHub](https://github.com/python-pillow/Pillow/releases) +* [ ] In compliance with [PEP 440](https://www.python.org/dev/peps/pep-0440/), increment and append `.dev0` to version identifier in `src/PIL/_version.py` ## Point Release Released as needed for security, installation or critical bug fixes. -* [ ] Make necessary changes in ``master`` branch. +* [ ] Make necessary changes in `main` branch. * [ ] Update `CHANGES.rst`. -* [ ] Cherry pick individual commits from ``master`` branch to release branch e.g. ``2.9.x``. -* [ ] Check [Travis CI](https://travis-ci.org/python-pillow/Pillow) to confirm passing tests in release branch e.g. ``2.9.x``. -* [ ] Checkout release branch e.g.: -``` - git checkout -t remotes/origin/2.9.x -``` -* [ ] In compliance with https://www.python.org/dev/peps/pep-0440/, update version identifier in: -``` - PIL/__init__.py - setup.py - _imaging.c - appveyor.yml -``` +* [ ] Check out release branch e.g.: + ```bash + git checkout -t remotes/origin/5.2.x + ``` +* [ ] Cherry pick individual commits from `main` branch to release branch e.g. `5.2.x`, then `git push`. + + + +* [ ] Check [GitHub Actions](https://github.com/python-pillow/Pillow/actions) and [AppVeyor](https://ci.appveyor.com/project/python-pillow/Pillow) to confirm passing tests in release branch e.g. `5.2.x`. +* [ ] In compliance with [PEP 440](https://www.python.org/dev/peps/pep-0440/), update version identifier in `src/PIL/_version.py` * [ ] Run pre-release check via `make release-test`. * [ ] Create tag for release e.g.: -``` - $ git tag 2.9.1 - $ git push --tags -``` -* [ ] Create and upload source distributions e.g.: -``` - $ make sdistup -``` -* [ ] Create and upload [binary distributions](#binary-distributions) + ```bash + git tag 5.2.1 + git push + git push --tags + ``` +* [ ] Create and check source distribution: + ```bash + make sdist + twine check dist/* + ``` +* [ ] Create [binary distributions](https://github.com/python-pillow/Pillow/blob/main/RELEASING.md#binary-distributions) +* [ ] Check and upload all binaries and source distributions e.g.: + ```bash + twine check dist/* + twine upload dist/Pillow-5.2.1* + ``` +* [ ] Publish the [release on GitHub](https://github.com/python-pillow/Pillow/releases) ## Embargoed Release Released as needed privately to individual vendors for critical security-related bug fixes. * [ ] Prepare patch for all versions that will get a fix. Test against local installations. -* [ ] Commit against master, cherry pick to affected release branches. +* [ ] Commit against `main`, cherry pick to affected release branches. * [ ] Run local test matrix on each release & Python version. * [ ] Privately send to distros. * [ ] Run pre-release check via `make release-test` * [ ] Amend any commits with the CVE # * [ ] On release date, tag and push to GitHub. -``` - git checkout 2.5.x - git tag 2.5.3 - git push origin 2.5.x - git push origin --tags -``` -* [ ] Create and upload source distributions e.g.: -``` - $ make sdistup -``` -* [ ] Create and upload [binary distributions](#binary-distributions) + ```bash + git checkout 2.5.x + git tag 2.5.3 + git push origin 2.5.x + git push origin --tags + ``` +* [ ] Create and check source distribution: + ```bash + make sdist + twine check dist/* + ``` +* [ ] Create [binary distributions](https://github.com/python-pillow/Pillow/blob/main/RELEASING.md#binary-distributions) +* [ ] Publish the [release on GitHub](https://github.com/python-pillow/Pillow/releases) ## Binary Distributions ### Windows -* [ ] Contact @cgohlke for Windows binaries via release ticket e.g. https://github.com/python-pillow/Pillow/issues/1174. -* [ ] Download and extract tarball from @cgohlke and ``twine upload *``. - -### macOS -* [ ] Use the [Pillow macOS Wheel Builder](https://github.com/python-pillow/pillow-wheels): -``` - $ git checkout https://github.com/python-pillow/pillow-wheels - $ cd pillow-wheels - $ git submodule init - $ git submodule update - $ cd Pillow - $ git fetch --all - $ git commit -a -m "Pillow -> 2.9.0" - $ git push -``` -* [ ] Download distributions from the [Pillow macOS Wheel Builder container](http://cdf58691c5cf45771290-6a3b6a0f5f6ab91aadc447b2a897dd9a.r50.cf2.rackcdn.com/) and ``twine upload *``. - -### Linux +* [ ] Contact `@cgohlke` for Windows binaries via release ticket e.g. https://github.com/python-pillow/Pillow/issues/1174. +* [ ] Download and extract tarball from `@cgohlke` and copy into `dist/` + +### Mac and Linux +* [ ] Use the [Pillow Wheel Builder](https://github.com/python-pillow/pillow-wheels): + ```bash + git clone https://github.com/python-pillow/pillow-wheels + cd pillow-wheels + ./update-pillow-tag.sh [[release tag]] + ``` +* [ ] Download wheels from the [Pillow Wheel Builder release](https://github.com/python-pillow/pillow-wheels/releases) + and copy into `dist/` ## Publicize Release -* [ ] Announce release availability via [Twitter](https://twitter.com/pythonpillow) e.g. https://twitter.com/aclark4life/status/583366798302691328. +* [ ] Announce release availability via [Twitter](https://twitter.com/pythonpillow) e.g. https://twitter.com/PythonPillow/status/1013789184354603010 ## Documentation -* [ ] Make sure the default version for Read the Docs is the latest release version, e.g. ``3.1.x`` rather than ``latest``: https://readthedocs.org/projects/pillow/versions/ +* [ ] Make sure the [default version for Read the Docs](https://pillow.readthedocs.io/en/stable/) is up-to-date with the release changes + +## Docker Images + +* [ ] Update Pillow in the Docker Images repository + ```bash + git clone https://github.com/python-pillow/docker-images + cd docker-images + ./update-pillow-tag.sh [[release tag]] + ``` diff --git a/Scripts/README.rst b/Scripts/README.rst deleted file mode 100644 index c8b06d59cb1..00000000000 --- a/Scripts/README.rst +++ /dev/null @@ -1,65 +0,0 @@ -Scripts -======= - -This directory contains a number of more or less trivial utilities -and demo programs. - -Comments and contributions are welcome. - - - -pildriver.py (by Eric S. Raymond) --------------------------------------------------------------------- - -A class implementing an image-processing calculator for scripts. -Parses lists of commands (or, called interactively, command-line -arguments) into image loads, transformations, and saves. - -viewer.py --------------------------------------------------------------------- - -A simple image viewer. Can display all file formats handled by -PIL. Transparent images are properly handled. - -thresholder.py --------------------------------------------------------------------- - -A simple utility that demonstrates how a transparent 1-bit overlay -can be used to show the current thresholding of an 8-bit image. - -enhancer.py --------------------------------------------------------------------- - -Illustrates the ImageEnhance module. Drag the sliders to modify the -images. This might be very slow on some platforms, depending on the -Tk version. - -painter.py --------------------------------------------------------------------- - -Illustrates how a painting program could be based on PIL and Tk. -Press the left mouse button and drag over the image to remove the -colour. Some clever tricks have been used to get decent performance -when updating the screen; see the sources for details. - -player.py --------------------------------------------------------------------- - -A simple image sequence player. You can use either a sequence format -like FLI/FLC, GIF, or ARG, or give a number of images which are -interpreted as frames in a sequence. All frames must have the same -size. - -gifmaker.py --------------------------------------------------------------------- - -Convert a sequence file to a GIF animation. - -Note that the GIF encoder provided with this release of PIL writes -uncompressed GIF files only, so the resulting animations are rather -large compared with these created by other tools. - -explode.py --------------------------------------------------------------------- - -Split a sequence file into individual frames. diff --git a/Scripts/createfontdatachunk.py b/Scripts/createfontdatachunk.py deleted file mode 100644 index 720fd0067af..00000000000 --- a/Scripts/createfontdatachunk.py +++ /dev/null @@ -1,16 +0,0 @@ -#!/usr/bin/env python -from __future__ import print_function -import base64 -import os -import sys - -if __name__ == "__main__": - # create font data chunk for embedding - font = "Tests/images/courB08" - print(" f._load_pilfont_data(") - print(" # %s" % os.path.basename(font)) - print(" BytesIO(base64.decodestring(b'''") - base64.encode(open(font + ".pil", "rb"), sys.stdout) - print("''')), Image.open(BytesIO(base64.decodestring(b'''") - base64.encode(open(font + ".pbm", "rb"), sys.stdout) - print("'''))))") diff --git a/Scripts/enhancer.py b/Scripts/enhancer.py deleted file mode 100644 index 4976e4409ef..00000000000 --- a/Scripts/enhancer.py +++ /dev/null @@ -1,63 +0,0 @@ -#!/usr/bin/env python -# -# The Python Imaging Library -# $Id$ -# -# this demo script creates four windows containing an image and a slider. -# drag the slider to modify the image. -# - -try: - from tkinter import Tk, Toplevel, Frame, Label, Scale, HORIZONTAL -except ImportError: - from Tkinter import Tk, Toplevel, Frame, Label, Scale, HORIZONTAL - -from PIL import Image, ImageTk, ImageEnhance -import sys - -# -# enhancer widget - - -class Enhance(Frame): - def __init__(self, master, image, name, enhancer, lo, hi): - Frame.__init__(self, master) - - # set up the image - self.tkim = ImageTk.PhotoImage(image.mode, image.size) - self.enhancer = enhancer(image) - self.update("1.0") # normalize - - # image window - Label(self, image=self.tkim).pack() - - # scale - s = Scale(self, label=name, orient=HORIZONTAL, - from_=lo, to=hi, resolution=0.01, - command=self.update) - s.set(self.value) - s.pack() - - def update(self, value): - self.value = float(value) - self.tkim.paste(self.enhancer.enhance(self.value)) - -# -# main - -if len(sys.argv) != 2: - print("Usage: enhancer file") - sys.exit(1) - -root = Tk() - -im = Image.open(sys.argv[1]) - -im.thumbnail((200, 200)) - -Enhance(root, im, "Color", ImageEnhance.Color, 0.0, 4.0).pack() -Enhance(Toplevel(), im, "Sharpness", ImageEnhance.Sharpness, -2.0, 2.0).pack() -Enhance(Toplevel(), im, "Brightness", ImageEnhance.Brightness, -1.0, 3.0).pack() -Enhance(Toplevel(), im, "Contrast", ImageEnhance.Contrast, -1.0, 3.0).pack() - -root.mainloop() diff --git a/Scripts/explode.py b/Scripts/explode.py deleted file mode 100644 index 53436100bc5..00000000000 --- a/Scripts/explode.py +++ /dev/null @@ -1,112 +0,0 @@ -#!/usr/bin/env python -# -# The Python Imaging Library -# $Id$ -# -# split an animation into a number of frame files -# - -from __future__ import print_function - -from PIL import Image -import os -import sys - - -class Interval(object): - - def __init__(self, interval="0"): - - self.setinterval(interval) - - def setinterval(self, interval): - - self.hilo = [] - - for s in interval.split(","): - if not s.strip(): - continue - try: - v = int(s) - if v < 0: - lo, hi = 0, -v - else: - lo = hi = v - except ValueError: - i = s.find("-") - lo, hi = int(s[:i]), int(s[i+1:]) - - self.hilo.append((hi, lo)) - - if not self.hilo: - self.hilo = [(sys.maxsize, 0)] - - def __getitem__(self, index): - - for hi, lo in self.hilo: - if hi >= index >= lo: - return 1 - return 0 - -# -------------------------------------------------------------------- -# main program - -html = 0 - -if sys.argv[1:2] == ["-h"]: - html = 1 - del sys.argv[1] - -if not sys.argv[2:]: - print() - print("Syntax: python explode.py infile template [range]") - print() - print("The template argument is used to construct the names of the") - print("individual frame files. The frames are numbered file001.ext,") - print("file002.ext, etc. You can insert %d to control the placement") - print("and syntax of the frame number.") - print() - print("The optional range argument specifies which frames to extract.") - print("You can give one or more ranges like 1-10, 5, -15 etc. If") - print("omitted, all frames are extracted.") - sys.exit(1) - -infile = sys.argv[1] -outfile = sys.argv[2] - -frames = Interval(",".join(sys.argv[3:])) - -try: - # check if outfile contains a placeholder - outfile % 1 -except TypeError: - file, ext = os.path.splitext(outfile) - outfile = file + "%03d" + ext - -ix = 1 - -im = Image.open(infile) - -if html: - file, ext = os.path.splitext(outfile) - html = open(file+".html", "w") - html.write("\n\n") - -while True: - - if frames[ix]: - im.save(outfile % ix) - print(outfile % ix) - - if html: - html.write("
\n" % outfile % ix) - - try: - im.seek(ix) - except EOFError: - break - - ix += 1 - -if html: - html.write("\n\n") diff --git a/Scripts/gifmaker.py b/Scripts/gifmaker.py deleted file mode 100644 index c0679ca792f..00000000000 --- a/Scripts/gifmaker.py +++ /dev/null @@ -1,31 +0,0 @@ -#!/usr/bin/env python -# -# The Python Imaging Library -# $Id$ -# -# convert sequence format to GIF animation -# -# history: -# 97-01-03 fl created -# -# Copyright (c) Secret Labs AB 1997. All rights reserved. -# Copyright (c) Fredrik Lundh 1997. -# -# See the README file for information on usage and redistribution. -# - -from __future__ import print_function - -from PIL import Image - -if __name__ == "__main__": - - import sys - - if len(sys.argv) < 3: - print("GIFMAKER -- create GIF animations") - print("Usage: gifmaker infile outfile") - sys.exit(1) - - im = Image.open(sys.argv[1]) - im.save(sys.argv[2], save_all=True) diff --git a/Scripts/painter.py b/Scripts/painter.py deleted file mode 100644 index 79470e8e502..00000000000 --- a/Scripts/painter.py +++ /dev/null @@ -1,82 +0,0 @@ -#!/usr/bin/env python -# -# The Python Imaging Library -# $Id$ -# -# this demo script illustrates pasting into an already displayed -# photoimage. note that the current version of Tk updates the whole -# image every time we paste, so to get decent performance, we split -# the image into a set of tiles. -# - -try: - from tkinter import Tk, Canvas, NW -except ImportError: - from Tkinter import Tk, Canvas, NW - -from PIL import Image, ImageTk -import sys - -# -# painter widget - - -class PaintCanvas(Canvas): - def __init__(self, master, image): - Canvas.__init__(self, master, width=image.size[0], height=image.size[1]) - - # fill the canvas - self.tile = {} - self.tilesize = tilesize = 32 - xsize, ysize = image.size - for x in range(0, xsize, tilesize): - for y in range(0, ysize, tilesize): - box = x, y, min(xsize, x+tilesize), min(ysize, y+tilesize) - tile = ImageTk.PhotoImage(image.crop(box)) - self.create_image(x, y, image=tile, anchor=NW) - self.tile[(x, y)] = box, tile - - self.image = image - - self.bind("", self.paint) - - def paint(self, event): - xy = event.x - 10, event.y - 10, event.x + 10, event.y + 10 - im = self.image.crop(xy) - - # process the image in some fashion - im = im.convert("L") - - self.image.paste(im, xy) - self.repair(xy) - - def repair(self, box): - # update canvas - dx = box[0] % self.tilesize - dy = box[1] % self.tilesize - for x in range(box[0]-dx, box[2]+1, self.tilesize): - for y in range(box[1]-dy, box[3]+1, self.tilesize): - try: - xy, tile = self.tile[(x, y)] - tile.paste(self.image.crop(xy)) - except KeyError: - pass # outside the image - self.update_idletasks() - -# -# main - -if len(sys.argv) != 2: - print("Usage: painter file") - sys.exit(1) - -root = Tk() - -im = Image.open(sys.argv[1]) - -if im.mode != "RGB": - im = im.convert("RGB") - -PaintCanvas(root, im).pack() - -root.mainloop() diff --git a/Scripts/pilconvert.py b/Scripts/pilconvert.py deleted file mode 100644 index b9ebd52aebd..00000000000 --- a/Scripts/pilconvert.py +++ /dev/null @@ -1,99 +0,0 @@ -#!/usr/bin/env python -# -# The Python Imaging Library. -# $Id$ -# -# convert image files -# -# History: -# 0.1 96-04-20 fl Created -# 0.2 96-10-04 fl Use draft mode when converting images -# 0.3 96-12-30 fl Optimize output (PNG, JPEG) -# 0.4 97-01-18 fl Made optimize an option (PNG, JPEG) -# 0.5 98-12-30 fl Fixed -f option (from Anthony Baxter) -# - -from __future__ import print_function - -import getopt -import string -import sys - -from PIL import Image - - -def usage(): - print("PIL Convert 0.5/1998-12-30 -- convert image files") - print("Usage: pilconvert [option] infile outfile") - print() - print("Options:") - print() - print(" -c convert to format (default is given by extension)") - print() - print(" -g convert to greyscale") - print(" -p convert to palette image (using standard palette)") - print(" -r convert to rgb") - print() - print(" -o optimize output (trade speed for size)") - print(" -q set compression quality (0-100, JPEG only)") - print() - print(" -f list supported file formats") - sys.exit(1) - -if len(sys.argv) == 1: - usage() - -try: - opt, argv = getopt.getopt(sys.argv[1:], "c:dfgopq:r") -except getopt.error as v: - print(v) - sys.exit(1) - -output_format = None -convert = None - -options = {} - -for o, a in opt: - - if o == "-f": - Image.init() - id = sorted(Image.ID) - print("Supported formats (* indicates output format):") - for i in id: - if i in Image.SAVE: - print(i+"*", end=' ') - else: - print(i, end=' ') - sys.exit(1) - - elif o == "-c": - output_format = a - - if o == "-g": - convert = "L" - elif o == "-p": - convert = "P" - elif o == "-r": - convert = "RGB" - - elif o == "-o": - options["optimize"] = 1 - elif o == "-q": - options["quality"] = string.atoi(a) - -if len(argv) != 2: - usage() - -try: - im = Image.open(argv[0]) - if convert and im.mode != convert: - im.draft(convert, im.size) - im = im.convert(convert) - if output_format: - im.save(argv[1], output_format, **options) - else: - im.save(argv[1], **options) -except: - print("cannot convert image", end=' ') - print("(%s:%s)" % (sys.exc_info()[0], sys.exc_info()[1])) diff --git a/Scripts/pildriver.py b/Scripts/pildriver.py deleted file mode 100644 index cc425ad0854..00000000000 --- a/Scripts/pildriver.py +++ /dev/null @@ -1,526 +0,0 @@ -#!/usr/bin/env python -"""PILdriver, an image-processing calculator using PIL. - -An instance of class PILDriver is essentially a software stack machine -(Polish-notation interpreter) for sequencing PIL image -transformations. The state of the instance is the interpreter stack. - -The only method one will normally invoke after initialization is the -`execute' method. This takes an argument list of tokens, pushes them -onto the instance's stack, and then tries to clear the stack by -successive evaluation of PILdriver operators. Any part of the stack -not cleaned off persists and is part of the evaluation context for -the next call of the execute method. - -PILDriver doesn't catch any exceptions, on the theory that these -are actually diagnostic information that should be interpreted by -the calling code. - -When called as a script, the command-line arguments are passed to -a PILDriver instance. If there are no command-line arguments, the -module runs an interactive interpreter, each line of which is split into -space-separated tokens and passed to the execute method. - -In the method descriptions below, a first line beginning with the string -`usage:' means this method can be invoked with the token that follows -it. Following <>-enclosed arguments describe how the method interprets -the entries on the stack. Each argument specification begins with a -type specification: either `int', `float', `string', or `image'. - -All operations consume their arguments off the stack (use `dup' to -keep copies around). Use `verbose 1' to see the stack state displayed -before each operation. - -Usage examples: - - `show crop 0 0 200 300 open test.png' loads test.png, crops out a portion -of its upper-left-hand corner and displays the cropped portion. - - `save rotated.png rotate 30 open test.tiff' loads test.tiff, rotates it -30 degrees, and saves the result as rotated.png (in PNG format). -""" -# by Eric S. Raymond -# $Id$ - -# TO DO: -# 1. Add PILFont capabilities, once that's documented. -# 2. Add PILDraw operations. -# 3. Add support for composing and decomposing multiple-image files. -# - -from __future__ import print_function - -from PIL import Image - - -class PILDriver(object): - - verbose = 0 - - def do_verbose(self): - """usage: verbose - - Set verbosity flag from top of stack. - """ - self.verbose = int(self.do_pop()) - - # The evaluation stack (internal only) - - stack = [] # Stack of pending operations - - def push(self, item): - "Push an argument onto the evaluation stack." - self.stack.insert(0, item) - - def top(self): - "Return the top-of-stack element." - return self.stack[0] - - # Stack manipulation (callable) - - def do_clear(self): - """usage: clear - - Clear the stack. - """ - self.stack = [] - - def do_pop(self): - """usage: pop - - Discard the top element on the stack. - """ - return self.stack.pop(0) - - def do_dup(self): - """usage: dup - - Duplicate the top-of-stack item. - """ - if hasattr(self, 'format'): # If it's an image, do a real copy - dup = self.stack[0].copy() - else: - dup = self.stack[0] - self.push(dup) - - def do_swap(self): - """usage: swap - - Swap the top-of-stack item with the next one down. - """ - self.stack = [self.stack[1], self.stack[0]] + self.stack[2:] - - # Image module functions (callable) - - def do_new(self): - """usage: new : - - Create and push a greyscale image of given size and color. - """ - xsize = int(self.do_pop()) - ysize = int(self.do_pop()) - color = int(self.do_pop()) - self.push(Image.new("L", (xsize, ysize), color)) - - def do_open(self): - """usage: open - - Open the indicated image, read it, push the image on the stack. - """ - self.push(Image.open(self.do_pop())) - - def do_blend(self): - """usage: blend - - Replace two images and an alpha with the blended image. - """ - image1 = self.do_pop() - image2 = self.do_pop() - alpha = float(self.do_pop()) - self.push(Image.blend(image1, image2, alpha)) - - def do_composite(self): - """usage: composite - - Replace two images and a mask with their composite. - """ - image1 = self.do_pop() - image2 = self.do_pop() - mask = self.do_pop() - self.push(Image.composite(image1, image2, mask)) - - def do_merge(self): - """usage: merge - [ [ []]] - - Merge top-of stack images in a way described by the mode. - """ - mode = self.do_pop() - bandlist = [] - for band in mode: - bandlist.append(self.do_pop()) - self.push(Image.merge(mode, bandlist)) - - # Image class methods - - def do_convert(self): - """usage: convert - - Convert the top image to the given mode. - """ - mode = self.do_pop() - image = self.do_pop() - self.push(image.convert(mode)) - - def do_copy(self): - """usage: copy - - Make and push a true copy of the top image. - """ - self.dup() - - def do_crop(self): - """usage: crop - - - Crop and push a rectangular region from the current image. - """ - left = int(self.do_pop()) - upper = int(self.do_pop()) - right = int(self.do_pop()) - lower = int(self.do_pop()) - image = self.do_pop() - self.push(image.crop((left, upper, right, lower))) - - def do_draft(self): - """usage: draft - - Configure the loader for a given mode and size. - """ - mode = self.do_pop() - xsize = int(self.do_pop()) - ysize = int(self.do_pop()) - self.push(self.draft(mode, (xsize, ysize))) - - def do_filter(self): - """usage: filter - - Process the top image with the given filter. - """ - from PIL import ImageFilter - imageFilter = getattr(ImageFilter, self.do_pop().upper()) - image = self.do_pop() - self.push(image.filter(imageFilter)) - - def do_getbbox(self): - """usage: getbbox - - Push left, upper, right, and lower pixel coordinates of the top image. - """ - bounding_box = self.do_pop().getbbox() - self.push(bounding_box[3]) - self.push(bounding_box[2]) - self.push(bounding_box[1]) - self.push(bounding_box[0]) - - def do_getextrema(self): - """usage: extrema - - Push minimum and maximum pixel values of the top image. - """ - extrema = self.do_pop().extrema() - self.push(extrema[1]) - self.push(extrema[0]) - - def do_offset(self): - """usage: offset - - Offset the pixels in the top image. - """ - xoff = int(self.do_pop()) - yoff = int(self.do_pop()) - image = self.do_pop() - self.push(image.offset(xoff, yoff)) - - def do_paste(self): - """usage: paste - - - Paste figure image into ground with upper left at given offsets. - """ - figure = self.do_pop() - xoff = int(self.do_pop()) - yoff = int(self.do_pop()) - ground = self.do_pop() - if figure.mode == "RGBA": - ground.paste(figure, (xoff, yoff), figure) - else: - ground.paste(figure, (xoff, yoff)) - self.push(ground) - - def do_resize(self): - """usage: resize - - Resize the top image. - """ - ysize = int(self.do_pop()) - xsize = int(self.do_pop()) - image = self.do_pop() - self.push(image.resize((xsize, ysize))) - - def do_rotate(self): - """usage: rotate - - Rotate image through a given angle - """ - angle = int(self.do_pop()) - image = self.do_pop() - self.push(image.rotate(angle)) - - def do_save(self): - """usage: save - - Save image with default options. - """ - filename = self.do_pop() - image = self.do_pop() - image.save(filename) - - def do_save2(self): - """usage: save2 - - Save image with specified options. - """ - filename = self.do_pop() - options = self.do_pop() - image = self.do_pop() - image.save(filename, None, options) - - def do_show(self): - """usage: show - - Display and pop the top image. - """ - self.do_pop().show() - - def do_thumbnail(self): - """usage: thumbnail - - Modify the top image in the stack to contain a thumbnail of itself. - """ - ysize = int(self.do_pop()) - xsize = int(self.do_pop()) - self.top().thumbnail((xsize, ysize)) - - def do_transpose(self): - """usage: transpose - - Transpose the top image. - """ - transpose = self.do_pop().upper() - image = self.do_pop() - self.push(image.transpose(transpose)) - - # Image attributes - - def do_format(self): - """usage: format - - Push the format of the top image onto the stack. - """ - self.push(self.do_pop().format) - - def do_mode(self): - """usage: mode - - Push the mode of the top image onto the stack. - """ - self.push(self.do_pop().mode) - - def do_size(self): - """usage: size - - Push the image size on the stack as (y, x). - """ - size = self.do_pop().size - self.push(size[0]) - self.push(size[1]) - - # ImageChops operations - - def do_invert(self): - """usage: invert - - Invert the top image. - """ - from PIL import ImageChops - self.push(ImageChops.invert(self.do_pop())) - - def do_lighter(self): - """usage: lighter - - Pop the two top images, push an image of the lighter pixels of both. - """ - from PIL import ImageChops - image1 = self.do_pop() - image2 = self.do_pop() - self.push(ImageChops.lighter(image1, image2)) - - def do_darker(self): - """usage: darker - - Pop the two top images, push an image of the darker pixels of both. - """ - from PIL import ImageChops - image1 = self.do_pop() - image2 = self.do_pop() - self.push(ImageChops.darker(image1, image2)) - - def do_difference(self): - """usage: difference - - Pop the two top images, push the difference image - """ - from PIL import ImageChops - image1 = self.do_pop() - image2 = self.do_pop() - self.push(ImageChops.difference(image1, image2)) - - def do_multiply(self): - """usage: multiply - - Pop the two top images, push the multiplication image. - """ - from PIL import ImageChops - image1 = self.do_pop() - image2 = self.do_pop() - self.push(ImageChops.multiply(image1, image2)) - - def do_screen(self): - """usage: screen - - Pop the two top images, superimpose their inverted versions. - """ - from PIL import ImageChops - image2 = self.do_pop() - image1 = self.do_pop() - self.push(ImageChops.screen(image1, image2)) - - def do_add(self): - """usage: add - - Pop the two top images, produce the scaled sum with offset. - """ - from PIL import ImageChops - image1 = self.do_pop() - image2 = self.do_pop() - scale = float(self.do_pop()) - offset = int(self.do_pop()) - self.push(ImageChops.add(image1, image2, scale, offset)) - - def do_subtract(self): - """usage: subtract - - Pop the two top images, produce the scaled difference with offset. - """ - from PIL import ImageChops - image1 = self.do_pop() - image2 = self.do_pop() - scale = float(self.do_pop()) - offset = int(self.do_pop()) - self.push(ImageChops.subtract(image1, image2, scale, offset)) - - # ImageEnhance classes - - def do_color(self): - """usage: color - - Enhance color in the top image. - """ - from PIL import ImageEnhance - factor = float(self.do_pop()) - image = self.do_pop() - enhancer = ImageEnhance.Color(image) - self.push(enhancer.enhance(factor)) - - def do_contrast(self): - """usage: contrast - - Enhance contrast in the top image. - """ - from PIL import ImageEnhance - factor = float(self.do_pop()) - image = self.do_pop() - enhancer = ImageEnhance.Contrast(image) - self.push(enhancer.enhance(factor)) - - def do_brightness(self): - """usage: brightness - - Enhance brightness in the top image. - """ - from PIL import ImageEnhance - factor = float(self.do_pop()) - image = self.do_pop() - enhancer = ImageEnhance.Brightness(image) - self.push(enhancer.enhance(factor)) - - def do_sharpness(self): - """usage: sharpness - - Enhance sharpness in the top image. - """ - from PIL import ImageEnhance - factor = float(self.do_pop()) - image = self.do_pop() - enhancer = ImageEnhance.Sharpness(image) - self.push(enhancer.enhance(factor)) - - # The interpreter loop - - def execute(self, list): - "Interpret a list of PILDriver commands." - list.reverse() - while len(list) > 0: - self.push(list[0]) - list = list[1:] - if self.verbose: - print("Stack: " + repr(self.stack)) - top = self.top() - if not isinstance(top, str): - continue - funcname = "do_" + top - if not hasattr(self, funcname): - continue - else: - self.do_pop() - func = getattr(self, funcname) - func() - -if __name__ == '__main__': - import sys - - # If we see command-line arguments, interpret them as a stack state - # and execute. Otherwise go interactive. - - driver = PILDriver() - if len(sys.argv[1:]) > 0: - driver.execute(sys.argv[1:]) - else: - print("PILDriver says hello.") - while True: - try: - if sys.version_info[0] >= 3: - line = input('pildriver> ') - else: - line = raw_input('pildriver> ') - except EOFError: - print("\nPILDriver says goodbye.") - break - driver.execute(line.split()) - print(driver.stack) - -# The following sets edit modes for GNU EMACS -# Local Variables: -# mode:python -# End: diff --git a/Scripts/pilfile.py b/Scripts/pilfile.py deleted file mode 100644 index dab240e2ff4..00000000000 --- a/Scripts/pilfile.py +++ /dev/null @@ -1,101 +0,0 @@ -#!/usr/bin/env python -# -# The Python Imaging Library. -# $Id$ -# -# a utility to identify image files -# -# this script identifies image files, extracting size and -# pixel mode information for known file formats. Note that -# you don't need the PIL C extension to use this module. -# -# History: -# 0.0 1995-09-01 fl Created -# 0.1 1996-05-18 fl Modified options, added debugging mode -# 0.2 1996-12-29 fl Added verify mode -# 0.3 1999-06-05 fl Don't mess up on class exceptions (1.5.2 and later) -# 0.4 2003-09-30 fl Expand wildcards on Windows; robustness tweaks -# - -from __future__ import print_function - -import getopt -import glob -import logging -import sys - -from PIL import Image - -if len(sys.argv) == 1: - print("PIL File 0.4/2003-09-30 -- identify image files") - print("Usage: pilfile [option] files...") - print("Options:") - print(" -f list supported file formats") - print(" -i show associated info and tile data") - print(" -v verify file headers") - print(" -q quiet, don't warn for unidentified/missing/broken files") - sys.exit(1) - -try: - opt, args = getopt.getopt(sys.argv[1:], "fqivD") -except getopt.error as v: - print(v) - sys.exit(1) - -verbose = quiet = verify = 0 -logging_level = "WARNING" - -for o, a in opt: - if o == "-f": - Image.init() - id = sorted(Image.ID) - print("Supported formats:") - for i in id: - print(i, end=' ') - sys.exit(1) - elif o == "-i": - verbose = 1 - elif o == "-q": - quiet = 1 - elif o == "-v": - verify = 1 - elif o == "-D": - logging_level = "DEBUG" - -logging.basicConfig(level=logging_level) - - -def globfix(files): - # expand wildcards where necessary - if sys.platform == "win32": - out = [] - for file in files: - if glob.has_magic(file): - out.extend(glob.glob(file)) - else: - out.append(file) - return out - return files - -for file in globfix(args): - try: - im = Image.open(file) - print("%s:" % file, im.format, "%dx%d" % im.size, im.mode, end=' ') - if verbose: - print(im.info, im.tile, end=' ') - print() - if verify: - try: - im.verify() - except: - if not quiet: - print("failed to verify image", end=' ') - print("(%s:%s)" % (sys.exc_info()[0], sys.exc_info()[1])) - except IOError as v: - if not quiet: - print(file, "failed:", v) - except: - import traceback - if not quiet: - print(file, "failed:", "unexpected error") - traceback.print_exc(file=sys.stdout) diff --git a/Scripts/pilfont.py b/Scripts/pilfont.py deleted file mode 100644 index aa6a340838e..00000000000 --- a/Scripts/pilfont.py +++ /dev/null @@ -1,57 +0,0 @@ -#!/usr/bin/env python -# -# The Python Imaging Library -# $Id$ -# -# PIL raster font compiler -# -# history: -# 1997-08-25 fl created -# 2002-03-10 fl use "from PIL import" -# - -from __future__ import print_function - -import glob -import sys - -# drivers -from PIL import BdfFontFile -from PIL import PcfFontFile - -VERSION = "0.4" - -if len(sys.argv) <= 1: - print("PILFONT", VERSION, "-- PIL font compiler.") - print() - print("Usage: pilfont fontfiles...") - print() - print("Convert given font files to the PIL raster font format.") - print("This version of pilfont supports X BDF and PCF fonts.") - sys.exit(1) - -files = [] -for f in sys.argv[1:]: - files = files + glob.glob(f) - -for f in files: - - print(f + "...", end=' ') - - try: - - fp = open(f, "rb") - - try: - p = PcfFontFile.PcfFontFile(fp) - except SyntaxError: - fp.seek(0) - p = BdfFontFile.BdfFontFile(fp) - - p.save(f) - - except (SyntaxError, IOError): - print("failed") - - else: - print("OK") diff --git a/Scripts/pilprint.py b/Scripts/pilprint.py deleted file mode 100755 index 3d8d01751c0..00000000000 --- a/Scripts/pilprint.py +++ /dev/null @@ -1,102 +0,0 @@ -#!/usr/bin/env python -# -# The Python Imaging Library. -# $Id$ -# -# print image files to postscript printer -# -# History: -# 0.1 1996-04-20 fl Created -# 0.2 1996-10-04 fl Use draft mode when converting. -# 0.3 2003-05-06 fl Fixed a typo or two. -# - -from __future__ import print_function -import getopt -import os -import sys -import subprocess - -VERSION = "pilprint 0.3/2003-05-05" - -from PIL import Image -from PIL import PSDraw - -letter = (1.0*72, 1.0*72, 7.5*72, 10.0*72) - - -def description(filepath, image): - title = os.path.splitext(os.path.split(filepath)[1])[0] - format = " (%dx%d " - if image.format: - format = " (" + image.format + " %dx%d " - return title + format % image.size + image.mode + ")" - -if len(sys.argv) == 1: - print("PIL Print 0.3/2003-05-05 -- print image files") - print("Usage: pilprint files...") - print("Options:") - print(" -c colour printer (default is monochrome)") - print(" -d debug (show available drivers)") - print(" -p print via lpr (default is stdout)") - print(" -P same as -p but use given printer") - sys.exit(1) - -try: - opt, argv = getopt.getopt(sys.argv[1:], "cdpP:") -except getopt.error as v: - print(v) - sys.exit(1) - -printerArgs = [] # print to stdout -monochrome = 1 # reduce file size for most common case - -for o, a in opt: - if o == "-d": - # debug: show available drivers - Image.init() - print(Image.ID) - sys.exit(1) - elif o == "-c": - # colour printer - monochrome = 0 - elif o == "-p": - # default printer channel - printerArgs = ["lpr"] - elif o == "-P": - # printer channel - printerArgs = ["lpr", "-P%s" % a] - -for filepath in argv: - try: - - im = Image.open(filepath) - - title = description(filepath, im) - - if monochrome and im.mode not in ["1", "L"]: - im.draft("L", im.size) - im = im.convert("L") - - if printerArgs: - p = subprocess.Popen(printerArgs, stdin=subprocess.PIPE) - fp = p.stdin - else: - fp = sys.stdout - - ps = PSDraw.PSDraw(fp) - - ps.begin_document() - ps.setfont("Helvetica-Narrow-Bold", 18) - ps.text((letter[0], letter[3]+24), title) - ps.setfont("Helvetica-Narrow-Bold", 8) - ps.text((letter[0], letter[1]-30), VERSION) - ps.image(letter, im) - ps.end_document() - - if printerArgs: - fp.close() - - except: - print("cannot print image", end=' ') - print("(%s:%s)" % (sys.exc_info()[0], sys.exc_info()[1])) diff --git a/Scripts/player.py b/Scripts/player.py deleted file mode 100644 index ac9eb817f2d..00000000000 --- a/Scripts/player.py +++ /dev/null @@ -1,102 +0,0 @@ -#!/usr/bin/env python -# -# The Python Imaging Library -# $Id$ -# - -from __future__ import print_function - -try: - from tkinter import * -except ImportError: - from Tkinter import * - -from PIL import Image, ImageTk -import sys - - -# -------------------------------------------------------------------- -# an image animation player - -class UI(Label): - - def __init__(self, master, im): - if isinstance(im, list): - # list of images - self.im = im[1:] - im = self.im[0] - else: - # sequence - self.im = im - - if im.mode == "1": - self.image = ImageTk.BitmapImage(im, foreground="white") - else: - self.image = ImageTk.PhotoImage(im) - - Label.__init__(self, master, image=self.image, bg="black", bd=0) - - self.update() - - try: - duration = im.info["duration"] - except KeyError: - duration = 100 - self.after(duration, self.next) - - def next(self): - - if isinstance(self.im, list): - - try: - im = self.im[0] - del self.im[0] - self.image.paste(im) - except IndexError: - return # end of list - - else: - - try: - im = self.im - im.seek(im.tell() + 1) - self.image.paste(im) - except EOFError: - return # end of file - - try: - duration = im.info["duration"] - except KeyError: - duration = 100 - self.after(duration, self.next) - - self.update_idletasks() - - -# -------------------------------------------------------------------- -# script interface - -if __name__ == "__main__": - - if not sys.argv[1:]: - print("Syntax: python player.py imagefile(s)") - sys.exit(1) - - filename = sys.argv[1] - - root = Tk() - root.title(filename) - - if len(sys.argv) > 2: - # list of images - print("loading...") - im = [] - for filename in sys.argv[1:]: - im.append(Image.open(filename)) - else: - # sequence - im = Image.open(filename) - - UI(root, im).pack() - - root.mainloop() diff --git a/Scripts/thresholder.py b/Scripts/thresholder.py deleted file mode 100644 index c2e87d56a5f..00000000000 --- a/Scripts/thresholder.py +++ /dev/null @@ -1,78 +0,0 @@ -#!/usr/bin/env python -# -# The Python Imaging Library -# $Id$ -# -# this demo script illustrates how a 1-bit BitmapImage can be used -# as a dynamically updated overlay -# - -try: - from tkinter import * -except ImportError: - from Tkinter import * - -from PIL import Image, ImageTk -import sys - -# -# an image viewer - - -class UI(Frame): - def __init__(self, master, im, value=128): - Frame.__init__(self, master) - - self.image = im - self.value = value - - self.canvas = Canvas(self, width=im.size[0], height=im.size[1]) - self.backdrop = ImageTk.PhotoImage(im) - self.canvas.create_image(0, 0, image=self.backdrop, anchor=NW) - self.canvas.pack() - - scale = Scale(self, orient=HORIZONTAL, from_=0, to=255, - resolution=1, command=self.update_scale, length=256) - scale.set(value) - scale.bind("", self.redraw) - scale.pack() - - # uncomment the following line for instant feedback (might - # be too slow on some platforms) - # self.redraw() - - def update_scale(self, value): - self.value = float(value) - - self.redraw() - - def redraw(self, event=None): - - # create overlay (note the explicit conversion to mode "1") - im = self.image.point(lambda v, t=self.value: v >= t, "1") - self.overlay = ImageTk.BitmapImage(im, foreground="green") - - # update canvas - self.canvas.delete("overlay") - self.canvas.create_image(0, 0, image=self.overlay, anchor=NW, - tags="overlay") - -# -------------------------------------------------------------------- -# main - -if len(sys.argv) != 2: - print("Usage: thresholder file") - sys.exit(1) - -root = Tk() - -im = Image.open(sys.argv[1]) - -if im.mode != "L": - im = im.convert("L") - -# im.thumbnail((320,200)) - -UI(root, im).pack() - -root.mainloop() diff --git a/Scripts/viewer.py b/Scripts/viewer.py deleted file mode 100644 index f9bccec4fc2..00000000000 --- a/Scripts/viewer.py +++ /dev/null @@ -1,54 +0,0 @@ -#!/usr/bin/env python -# -# The Python Imaging Library -# $Id$ -# - -from __future__ import print_function - -try: - from tkinter import Tk, Label -except ImportError: - from Tkinter import Tk, Label - -from PIL import Image, ImageTk - -# -# an image viewer - - -class UI(Label): - - def __init__(self, master, im): - - if im.mode == "1": - # bitmap image - self.image = ImageTk.BitmapImage(im, foreground="white") - Label.__init__(self, master, image=self.image, bg="black", bd=0) - - else: - # photo image - self.image = ImageTk.PhotoImage(im) - Label.__init__(self, master, image=self.image, bd=0) - -# -# script interface - -if __name__ == "__main__": - - import sys - - if not sys.argv[1:]: - print("Syntax: python viewer.py imagefile") - sys.exit(1) - - filename = sys.argv[1] - - root = Tk() - root.title(filename) - - im = Image.open(filename) - - UI(root, im).pack() - - root.mainloop() diff --git a/Tests/32bit_segfault_check.py b/Tests/32bit_segfault_check.py old mode 100644 new mode 100755 index a601f762e85..e19cdf7a918 --- a/Tests/32bit_segfault_check.py +++ b/Tests/32bit_segfault_check.py @@ -1,8 +1,8 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 -from PIL import Image import sys +from PIL import Image -if sys.maxsize < 2**32: - im = Image.new('L', (999999, 999999), 0) +if sys.maxsize < 2 ** 32: + im = Image.new("L", (999999, 999999), 0) diff --git a/Tests/README.rst b/Tests/README.rst index a7212cb3dae..55464578702 100644 --- a/Tests/README.rst +++ b/Tests/README.rst @@ -1,48 +1,32 @@ Pillow Tests ============ -Test scripts are named ``test_xxx.py`` and use the ``unittest`` module. A base class and helper functions can be found in ``helper.py``. +Test scripts are named ``test_xxx.py``. Helper classes and functions can be found in ``helper.py``. Dependencies ------------ +------------ Install:: - pip install coverage nose - -If you're using Python 2.6, there's one additional dependency:: - - pip install unittest2 + python3 -m pip install pytest pytest-cov Execution --------- -**If Pillow has been built in-place** - To run an individual test:: - python Tests/test_image.py + pytest Tests/test_image.py + +Or:: + + pytest -k test_image.py Run all the tests from the root of the Pillow source distribution:: - nosetests -vx Tests/test_*.py + pytest Or with coverage:: - coverage run --append --include=PIL/* -m nose -vx Tests/test_*.py - coverage report + pytest --cov PIL --cov Tests --cov-report term coverage html open htmlcov/index.html - -**If Pillow has been installed** - -To run an individual test:: - - ./test-installed.py Tests/test_image.py - -Run all the tests from the root of the Pillow source distribution:: - - ./test-installed.py - - - diff --git a/Tests/__init__.py b/Tests/__init__.py new file mode 100644 index 00000000000..e69de29bb2d diff --git a/Tests/bench_cffi_access.py b/Tests/bench_cffi_access.py index 30001716811..87cad699d3b 100644 --- a/Tests/bench_cffi_access.py +++ b/Tests/bench_cffi_access.py @@ -1,10 +1,10 @@ -from helper import unittest, PillowTestCase, hopper - -# Not running this test by default. No DOS against Travis CI. +import time from PIL import PyAccess -import time +from .helper import hopper + +# Not running this test by default. No DOS against CI. def iterate_get(size, access): @@ -26,33 +26,33 @@ def timer(func, label, *args): starttime = time.time() for x in range(iterations): func(*args) - if time.time()-starttime > 10: - print("%s: breaking at %s iterations, %.6f per iteration" % ( - label, x+1, (time.time()-starttime)/(x+1.0))) + if time.time() - starttime > 10: + print( + "{}: breaking at {} iterations, {:.6f} per iteration".format( + label, x + 1, (time.time() - starttime) / (x + 1.0) + ) + ) break - if x == iterations-1: + if x == iterations - 1: endtime = time.time() - print("%s: %.4f s %.6f per iteration" % ( - label, endtime-starttime, (endtime-starttime)/(x+1.0))) - - -class BenchCffiAccess(PillowTestCase): - - def test_direct(self): - im = hopper() - im.load() - # im = Image.new( "RGB", (2000, 2000), (1, 3, 2)) - caccess = im.im.pixel_access(False) - access = PyAccess.new(im, False) - - self.assertEqual(caccess[(0, 0)], access[(0, 0)]) - - print("Size: %sx%s" % im.size) - timer(iterate_get, 'PyAccess - get', im.size, access) - timer(iterate_set, 'PyAccess - set', im.size, access) - timer(iterate_get, 'C-api - get', im.size, caccess) - timer(iterate_set, 'C-api - set', im.size, caccess) - - -if __name__ == '__main__': - unittest.main() + print( + "{}: {:.4f} s {:.6f} per iteration".format( + label, endtime - starttime, (endtime - starttime) / (x + 1.0) + ) + ) + + +def test_direct(): + im = hopper() + im.load() + # im = Image.new( "RGB", (2000, 2000), (1, 3, 2)) + caccess = im.im.pixel_access(False) + access = PyAccess.new(im, False) + + assert caccess[(0, 0)] == access[(0, 0)] + + print("Size: %sx%s" % im.size) + timer(iterate_get, "PyAccess - get", im.size, access) + timer(iterate_set, "PyAccess - set", im.size, access) + timer(iterate_get, "C-api - get", im.size, caccess) + timer(iterate_set, "C-api - set", im.size, caccess) diff --git a/Tests/bench_get.py b/Tests/bench_get.py deleted file mode 100644 index 51f3a6aa228..00000000000 --- a/Tests/bench_get.py +++ /dev/null @@ -1,21 +0,0 @@ -import helper -import timeit - -import sys -sys.path.insert(0, ".") - - -def bench(mode): - im = helper.hopper(mode) - get = im.im.getpixel - xy = 50, 50 # position shouldn't really matter - t0 = timeit.default_timer() - for _ in range(1000000): - get(xy) - print(mode, timeit.default_timer() - t0, "us") - -bench("L") -bench("I") -bench("I;16") -bench("F") -bench("RGB") diff --git a/Tests/check_fli_oob.py b/Tests/check_fli_oob.py new file mode 100644 index 00000000000..7b3d4d7ee9d --- /dev/null +++ b/Tests/check_fli_oob.py @@ -0,0 +1,68 @@ +#!/usr/bin/env python3 + +from PIL import Image + +repro_ss2 = ( + "images/fli_oob/06r/06r00.fli", + "images/fli_oob/06r/others/06r01.fli", + "images/fli_oob/06r/others/06r02.fli", + "images/fli_oob/06r/others/06r03.fli", + "images/fli_oob/06r/others/06r04.fli", +) + +repro_lc = ( + "images/fli_oob/05r/05r00.fli", + "images/fli_oob/05r/others/05r03.fli", + "images/fli_oob/05r/others/05r06.fli", + "images/fli_oob/05r/others/05r05.fli", + "images/fli_oob/05r/others/05r01.fli", + "images/fli_oob/05r/others/05r04.fli", + "images/fli_oob/05r/others/05r02.fli", + "images/fli_oob/05r/others/05r07.fli", + "images/fli_oob/patch0/000000", + "images/fli_oob/patch0/000001", + "images/fli_oob/patch0/000002", + "images/fli_oob/patch0/000003", +) + + +repro_advance = ( + "images/fli_oob/03r/03r00.fli", + "images/fli_oob/03r/others/03r01.fli", + "images/fli_oob/03r/others/03r09.fli", + "images/fli_oob/03r/others/03r11.fli", + "images/fli_oob/03r/others/03r05.fli", + "images/fli_oob/03r/others/03r10.fli", + "images/fli_oob/03r/others/03r06.fli", + "images/fli_oob/03r/others/03r08.fli", + "images/fli_oob/03r/others/03r03.fli", + "images/fli_oob/03r/others/03r07.fli", + "images/fli_oob/03r/others/03r02.fli", + "images/fli_oob/03r/others/03r04.fli", +) + +repro_brun = ( + "images/fli_oob/04r/initial.fli", + "images/fli_oob/04r/others/04r02.fli", + "images/fli_oob/04r/others/04r05.fli", + "images/fli_oob/04r/others/04r04.fli", + "images/fli_oob/04r/others/04r03.fli", + "images/fli_oob/04r/others/04r01.fli", + "images/fli_oob/04r/04r00.fli", +) + +repro_copy = ( + "images/fli_oob/02r/others/02r02.fli", + "images/fli_oob/02r/others/02r04.fli", + "images/fli_oob/02r/others/02r03.fli", + "images/fli_oob/02r/others/02r01.fli", + "images/fli_oob/02r/02r00.fli", +) + + +for path in repro_ss2 + repro_lc + repro_advance + repro_brun + repro_copy: + with Image.open(path) as im: + try: + im.load() + except Exception as msg: + print(msg) diff --git a/Tests/check_fli_overflow.py b/Tests/check_fli_overflow.py index 9b370da3ca0..08a55d349d5 100644 --- a/Tests/check_fli_overflow.py +++ b/Tests/check_fli_overflow.py @@ -1,16 +1,10 @@ -from helper import unittest, PillowTestCase from PIL import Image TEST_FILE = "Tests/images/fli_overflow.fli" -class TestFliOverflow(PillowTestCase): - def test_fli_overflow(self): +def test_fli_overflow(): - # this should not crash with a malloc error or access violation - im = Image.open(TEST_FILE) + # this should not crash with a malloc error or access violation + with Image.open(TEST_FILE) as im: im.load() - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/check_icns_dos.py b/Tests/check_icns_dos.py index e56709bbb2f..a34bee45c51 100644 --- a/Tests/check_icns_dos.py +++ b/Tests/check_icns_dos.py @@ -1,11 +1,9 @@ # Tests potential DOS of IcnsImagePlugin with 0 length block. # Run from anywhere that PIL is importable. -from PIL import Image from io import BytesIO -if bytes is str: - Image.open(BytesIO(bytes('icns\x00\x00\x00\x10hang\x00\x00\x00\x00'))) -else: - Image.open(BytesIO(bytes('icns\x00\x00\x00\x10hang\x00\x00\x00\x00', - 'latin-1'))) +from PIL import Image + +with Image.open(BytesIO(b"icns\x00\x00\x00\x10hang\x00\x00\x00\x00")): + pass diff --git a/Tests/check_imaging_leaks.py b/Tests/check_imaging_leaks.py old mode 100644 new mode 100755 index a31cd2180a4..d07082aba9f --- a/Tests/check_imaging_leaks.py +++ b/Tests/check_imaging_leaks.py @@ -1,44 +1,45 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 +import pytest -from __future__ import division -from helper import unittest, PillowTestCase -import sys from PIL import Image +from .helper import is_win32 + min_iterations = 100 max_iterations = 10000 +pytestmark = pytest.mark.skipif(is_win32(), reason="requires Unix or macOS") + + +def _get_mem_usage(): + from resource import RUSAGE_SELF, getpagesize, getrusage + + mem = getrusage(RUSAGE_SELF).ru_maxrss + return mem * getpagesize() / 1024 / 1024 + + +def _test_leak(min_iterations, max_iterations, fn, *args, **kwargs): + mem_limit = None + for i in range(max_iterations): + fn(*args, **kwargs) + mem = _get_mem_usage() + if i < min_iterations: + mem_limit = mem + 1 + continue + msg = f"memory usage limit exceeded after {i + 1} iterations" + assert mem <= mem_limit, msg + + +def test_leak_putdata(): + im = Image.new("RGB", (25, 25)) + _test_leak(min_iterations, max_iterations, im.putdata, im.getdata()) + -@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS") -class TestImagingLeaks(PillowTestCase): - - def _get_mem_usage(self): - from resource import getpagesize, getrusage, RUSAGE_SELF - mem = getrusage(RUSAGE_SELF).ru_maxrss - return mem * getpagesize() / 1024 / 1024 - - def _test_leak(self, min_iterations, max_iterations, fn, *args, **kwargs): - mem_limit = None - for i in range(max_iterations): - fn(*args, **kwargs) - mem = self._get_mem_usage() - if i < min_iterations: - mem_limit = mem + 1 - continue - self.assertLessEqual(mem, mem_limit, - msg='memory usage limit exceeded after %d iterations' - % (i + 1)) - - def test_leak_putdata(self): - im = Image.new('RGB', (25, 25)) - self._test_leak(min_iterations, max_iterations, - im.putdata, im.getdata()) - - def test_leak_getlist(self): - im = Image.new('P', (25, 25)) - self._test_leak(min_iterations, max_iterations, - # Pass a new list at each iteration. - lambda: im.point(range(256))) - -if __name__ == '__main__': - unittest.main() +def test_leak_getlist(): + im = Image.new("P", (25, 25)) + _test_leak( + min_iterations, + max_iterations, + # Pass a new list at each iteration. + lambda: im.point(range(256)), + ) diff --git a/Tests/check_j2k_dos.py b/Tests/check_j2k_dos.py index 9f06888a31b..71dcea4f39f 100644 --- a/Tests/check_j2k_dos.py +++ b/Tests/check_j2k_dos.py @@ -1,13 +1,11 @@ # Tests potential DOS of Jpeg2kImagePlugin with 0 length block. # Run from anywhere that PIL is importable. -from PIL import Image from io import BytesIO -if bytes is str: - Image.open(BytesIO(bytes( - '\x00\x00\x00\x0cjP\x20\x20\x0d\x0a\x87\x0a\x00\x00\x00\x00hang'))) -else: - Image.open(BytesIO(bytes( - '\x00\x00\x00\x0cjP\x20\x20\x0d\x0a\x87\x0a\x00\x00\x00\x00hang', - 'latin-1'))) +from PIL import Image + +with Image.open( + BytesIO(b"\x00\x00\x00\x0cjP\x20\x20\x0d\x0a\x87\x0a\x00\x00\x00\x00hang") +): + pass diff --git a/Tests/check_j2k_leaks.py b/Tests/check_j2k_leaks.py index 8e9c4ca20ef..afe5836f3fd 100755 --- a/Tests/check_j2k_leaks.py +++ b/Tests/check_j2k_leaks.py @@ -1,42 +1,42 @@ -from helper import unittest, PillowTestCase -import sys -from PIL import Image from io import BytesIO +import pytest + +from PIL import Image + +from .helper import is_win32, skip_unless_feature + # Limits for testing the leak -mem_limit = 1024*1048576 -stack_size = 8*1048576 -iterations = int((mem_limit/stack_size)*2) -codecs = dir(Image.core) +mem_limit = 1024 * 1048576 +stack_size = 8 * 1048576 +iterations = int((mem_limit / stack_size) * 2) test_file = "Tests/images/rgb_trns_ycbc.jp2" +pytestmark = [ + pytest.mark.skipif(is_win32(), reason="requires Unix or macOS"), + skip_unless_feature("jpg_2000"), +] + + +def test_leak_load(): + from resource import RLIMIT_AS, RLIMIT_STACK, setrlimit + + setrlimit(RLIMIT_STACK, (stack_size, stack_size)) + setrlimit(RLIMIT_AS, (mem_limit, mem_limit)) + for _ in range(iterations): + with Image.open(test_file) as im: + im.load() + + +def test_leak_save(): + from resource import RLIMIT_AS, RLIMIT_STACK, setrlimit -@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS") -class TestJpegLeaks(PillowTestCase): - def setUp(self): - if "jpeg2k_encoder" not in codecs or "jpeg2k_decoder" not in codecs: - self.skipTest('JPEG 2000 support not available') - - def test_leak_load(self): - from resource import setrlimit, RLIMIT_AS, RLIMIT_STACK - setrlimit(RLIMIT_STACK, (stack_size, stack_size)) - setrlimit(RLIMIT_AS, (mem_limit, mem_limit)) - for _ in range(iterations): - with Image.open(test_file) as im: - im.load() - - def test_leak_save(self): - from resource import setrlimit, RLIMIT_AS, RLIMIT_STACK - setrlimit(RLIMIT_STACK, (stack_size, stack_size)) - setrlimit(RLIMIT_AS, (mem_limit, mem_limit)) - for _ in range(iterations): - with Image.open(test_file) as im: - im.load() - test_output = BytesIO() - im.save(test_output, "JPEG2000") - test_output.seek(0) - test_output.read() - - -if __name__ == '__main__': - unittest.main() + setrlimit(RLIMIT_STACK, (stack_size, stack_size)) + setrlimit(RLIMIT_AS, (mem_limit, mem_limit)) + for _ in range(iterations): + with Image.open(test_file) as im: + im.load() + test_output = BytesIO() + im.save(test_output, "JPEG2000") + test_output.seek(0) + test_output.read() diff --git a/Tests/check_j2k_overflow.py b/Tests/check_j2k_overflow.py index 474b4994874..b16412898f0 100644 --- a/Tests/check_j2k_overflow.py +++ b/Tests/check_j2k_overflow.py @@ -1,19 +1,10 @@ -from PIL import Image -from helper import unittest, PillowTestCase - +import pytest -class TestJ2kEncodeOverflow(PillowTestCase): - def test_j2k_overflow(self): +from PIL import Image - im = Image.new('RGBA', (1024, 131584)) - target = self.tempfile('temp.jpc') - try: - im.save(target) - self.assertTrue(False, "Expected IOError, save succeeded?") - except IOError as err: - self.assertTrue(True, "IOError is expected") - except Exception as err: - self.assertTrue(False, "Expected IOError, got %s" % type(err)) -if __name__ == '__main__': - unittest.main() +def test_j2k_overflow(tmp_path): + im = Image.new("RGBA", (1024, 131584)) + target = str(tmp_path / "temp.jpc") + with pytest.raises(OSError): + im.save(target) diff --git a/Tests/check_jp2_overflow.py b/Tests/check_jp2_overflow.py new file mode 100755 index 00000000000..0210505f5fe --- /dev/null +++ b/Tests/check_jp2_overflow.py @@ -0,0 +1,26 @@ +#!/usr/bin/env python3 + +# Reproductions/tests for OOB read errors in FliDecode.c + +# When run in python, all of these images should fail for +# one reason or another, either as a buffer overrun, +# unrecognized datastream, or truncated image file. +# There shouldn't be any segfaults. +# +# if run like +# `valgrind --tool=memcheck python check_jp2_overflow.py 2>&1 | grep Decode.c` +# the output should be empty. There may be python issues +# in the valgrind especially if run in a debug python +# version. + + +from PIL import Image + +repro = ("00r0_gray_l.jp2", "00r1_graya_la.jp2") + +for path in repro: + with Image.open(path) as im: + try: + im.load() + except Exception as msg: + print(msg) diff --git a/Tests/check_jpeg_leaks.py b/Tests/check_jpeg_leaks.py index 7df2dfcc46d..ab8d7771992 100644 --- a/Tests/check_jpeg_leaks.py +++ b/Tests/check_jpeg_leaks.py @@ -1,6 +1,8 @@ -from helper import unittest, PillowTestCase, hopper from io import BytesIO -import sys + +import pytest + +from .helper import hopper, is_win32 iterations = 5000 @@ -9,16 +11,14 @@ When run on a system without the jpeg leak fixes, the valgrind runs look like this. -NOSE_PROCESSES=0 NOSE_TIMEOUT=600 valgrind --tool=massif \ - python test-installed.py -s -v Tests/check_jpeg_leaks.py +valgrind --tool=massif python test-installed.py -s -v Tests/check_jpeg_leaks.py """ -@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS") -class TestJpegLeaks(PillowTestCase): +pytestmark = pytest.mark.skipif(is_win32(), reason="requires Unix or macOS") - """ +""" pre patch: MB @@ -74,134 +74,140 @@ class TestJpegLeaks(PillowTestCase): """ - def test_qtables_leak(self): - im = hopper('RGB') - - standard_l_qtable = [int(s) for s in """ - 16 11 10 16 24 40 51 61 - 12 12 14 19 26 58 60 55 - 14 13 16 24 40 57 69 56 - 14 17 22 29 51 87 80 62 - 18 22 37 56 68 109 103 77 - 24 35 55 64 81 104 113 92 - 49 64 78 87 103 121 120 101 - 72 92 95 98 112 100 103 99 - """.split(None)] - - standard_chrominance_qtable = [int(s) for s in """ - 17 18 24 47 99 99 99 99 - 18 21 26 66 99 99 99 99 - 24 26 56 99 99 99 99 99 - 47 66 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - """.split(None)] - - qtables = [standard_l_qtable, - standard_chrominance_qtable] - - for _ in range(iterations): - test_output = BytesIO() - im.save(test_output, "JPEG", qtables=qtables) - - def test_exif_leak(self): - """ -pre patch: - - MB -177.1^ # - | @@@# - | :@@@@@@# - | ::::@@@@@@# - | ::::::::@@@@@@# - | @@::::: ::::@@@@@@# - | @@@@ ::::: ::::@@@@@@# - | @@@@@@@ ::::: ::::@@@@@@# - | @@::@@@@@@@ ::::: ::::@@@@@@# - | @@@@ : @@@@@@@ ::::: ::::@@@@@@# - | @@@@@@ @@ : @@@@@@@ ::::: ::::@@@@@@# - | @@@@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | @::@@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | ::::@: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | :@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | ::@@::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | @@::: @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | @::@ : : @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | :::@: @ : : @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | @@@:: @: @ : : @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - 0 +----------------------------------------------------------------------->Gi - 0 11.37 - - -post patch: - - MB -21.06^ ::::::::::::::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | ##::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | # ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | # ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | # ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@@@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - 0 +----------------------------------------------------------------------->Gi - 0 11.33 - -""" - im = hopper('RGB') - exif = b'12345678'*4096 - - for _ in range(iterations): - test_output = BytesIO() - im.save(test_output, "JPEG", exif=exif) - def test_base_save(self): - """ -base case: - MB -20.99^ ::::: :::::::::::::::::::::::::::::::::::::::::::@::: - | ##: : ::::::@::::::: :::: :::: : : : : : : :::::::::::: :::@::: - | # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@# : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@@ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | :@@@@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - 0 +----------------------------------------------------------------------->Gi - 0 7.882 -""" - im = hopper('RGB') +def test_qtables_leak(): + im = hopper("RGB") + + standard_l_qtable = [ + int(s) + for s in """ + 16 11 10 16 24 40 51 61 + 12 12 14 19 26 58 60 55 + 14 13 16 24 40 57 69 56 + 14 17 22 29 51 87 80 62 + 18 22 37 56 68 109 103 77 + 24 35 55 64 81 104 113 92 + 49 64 78 87 103 121 120 101 + 72 92 95 98 112 100 103 99 + """.split( + None + ) + ] + + standard_chrominance_qtable = [ + int(s) + for s in """ + 17 18 24 47 99 99 99 99 + 18 21 26 66 99 99 99 99 + 24 26 56 99 99 99 99 99 + 47 66 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + """.split( + None + ) + ] + + qtables = [standard_l_qtable, standard_chrominance_qtable] + + for _ in range(iterations): + test_output = BytesIO() + im.save(test_output, "JPEG", qtables=qtables) + + +def test_exif_leak(): + """ + pre patch: + + MB + 177.1^ # + | @@@# + | :@@@@@@# + | ::::@@@@@@# + | ::::::::@@@@@@# + | @@::::: ::::@@@@@@# + | @@@@ ::::: ::::@@@@@@# + | @@@@@@@ ::::: ::::@@@@@@# + | @@::@@@@@@@ ::::: ::::@@@@@@# + | @@@@ : @@@@@@@ ::::: ::::@@@@@@# + | @@@@@@ @@ : @@@@@@@ ::::: ::::@@@@@@# + | @@@@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | @::@@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | ::::@: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | :@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | ::@@::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | @@::: @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | @::@ : : @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | :::@: @ : : @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | @@@:: @: @ : : @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + 0 +----------------------------------------------------------------------->Gi + 0 11.37 + + + post patch: + + MB + 21.06^ ::::::::::::::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | ##::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | # ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | # ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | # ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@@@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + 0 +----------------------------------------------------------------------->Gi + 0 11.33 + """ + im = hopper("RGB") + exif = b"12345678" * 4096 - for _ in range(iterations): - test_output = BytesIO() - im.save(test_output, "JPEG") + for _ in range(iterations): + test_output = BytesIO() + im.save(test_output, "JPEG", exif=exif) -if __name__ == '__main__': - unittest.main() +def test_base_save(): + """ + base case: + MB + 20.99^ ::::: :::::::::::::::::::::::::::::::::::::::::::@::: + | ##: : ::::::@::::::: :::: :::: : : : : : : :::::::::::: :::@::: + | # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@# : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@@ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | :@@@@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + 0 +----------------------------------------------------------------------->Gi + 0 7.882""" + im = hopper("RGB") + + for _ in range(iterations): + test_output = BytesIO() + im.save(test_output, "JPEG") diff --git a/Tests/check_large_memory.py b/Tests/check_large_memory.py index ef0cd1f80b7..c191ffc1eb8 100644 --- a/Tests/check_large_memory.py +++ b/Tests/check_large_memory.py @@ -1,6 +1,8 @@ import sys -from helper import unittest, PillowTestCase +import pytest + +from PIL import Image # This test is not run automatically. # @@ -11,27 +13,36 @@ # Raspberry Pis). It does succeed on a 3gb Ubuntu 12.04x64 VM on Python # 2.7 and 3.2. -from PIL import Image + +try: + import numpy +except ImportError: + numpy = None + YDIM = 32769 XDIM = 48000 -@unittest.skipIf(sys.maxsize <= 2**32, "requires 64-bit system") -class LargeMemoryTest(PillowTestCase): +pytestmark = pytest.mark.skipif(sys.maxsize <= 2 ** 32, reason="requires 64-bit system") + + +def _write_png(tmp_path, xdim, ydim): + f = str(tmp_path / "temp.png") + im = Image.new("L", (xdim, ydim), 0) + im.save(f) + - def _write_png(self, xdim, ydim): - f = self.tempfile('temp.png') - im = Image.new('L', (xdim, ydim), (0)) - im.save(f) +def test_large(tmp_path): + """succeeded prepatch""" + _write_png(tmp_path, XDIM, YDIM) - def test_large(self): - """ succeeded prepatch""" - self._write_png(XDIM, YDIM) - def test_2gpx(self): - """failed prepatch""" - self._write_png(XDIM, XDIM) +def test_2gpx(tmp_path): + """failed prepatch""" + _write_png(tmp_path, XDIM, XDIM) -if __name__ == '__main__': - unittest.main() +@pytest.mark.skipif(numpy is None, reason="Numpy is not installed") +def test_size_greater_than_int(): + arr = numpy.ndarray(shape=(16394, 16394)) + Image.fromarray(arr) diff --git a/Tests/check_large_memory_numpy.py b/Tests/check_large_memory_numpy.py index e48d9836797..70ae6d230b8 100644 --- a/Tests/check_large_memory_numpy.py +++ b/Tests/check_large_memory_numpy.py @@ -1,6 +1,8 @@ import sys -from helper import unittest, PillowTestCase +import pytest + +from PIL import Image # This test is not run automatically. # @@ -10,34 +12,29 @@ # on any 32-bit machine, as well as any smallish things (like # Raspberry Pis). -from PIL import Image -try: - import numpy as np -except ImportError: - raise unittest.SkipTest("numpy not installed") + +np = pytest.importorskip("numpy", reason="NumPy not installed") YDIM = 32769 XDIM = 48000 -@unittest.skipIf(sys.maxsize <= 2**32, "requires 64-bit system") -class LargeMemoryNumpyTest(PillowTestCase): +pytestmark = pytest.mark.skipif(sys.maxsize <= 2 ** 32, reason="requires 64-bit system") + - def _write_png(self, xdim, ydim): - dtype = np.uint8 - a = np.zeros((xdim, ydim), dtype=dtype) - f = self.tempfile('temp.png') - im = Image.fromarray(a, 'L') - im.save(f) +def _write_png(tmp_path, xdim, ydim): + dtype = np.uint8 + a = np.zeros((xdim, ydim), dtype=dtype) + f = str(tmp_path / "temp.png") + im = Image.fromarray(a, "L") + im.save(f) - def test_large(self): - """ succeeded prepatch""" - self._write_png(XDIM, YDIM) - def test_2gpx(self): - """failed prepatch""" - self._write_png(XDIM, XDIM) +def test_large(tmp_path): + """succeeded prepatch""" + _write_png(tmp_path, XDIM, YDIM) -if __name__ == '__main__': - unittest.main() +def test_2gpx(tmp_path): + """failed prepatch""" + _write_png(tmp_path, XDIM, XDIM) diff --git a/Tests/check_libtiff_segfault.py b/Tests/check_libtiff_segfault.py index c2e01dd5583..bd7f407e4ab 100644 --- a/Tests/check_libtiff_segfault.py +++ b/Tests/check_libtiff_segfault.py @@ -1,23 +1,15 @@ -from helper import unittest, PillowTestCase +import pytest + from PIL import Image TEST_FILE = "Tests/images/libtiff_segfault.tif" -class TestLibtiffSegfault(PillowTestCase): - def test_segfault(self): - """ This test should not segfault. It will on Pillow <= 3.1.0 and - libtiff >= 4.0.0 - """ +def test_libtiff_segfault(): + """This test should not segfault. It will on Pillow <= 3.1.0 and + libtiff >= 4.0.0 + """ - try: - im = Image.open(TEST_FILE) + with pytest.raises(OSError): + with Image.open(TEST_FILE) as im: im.load() - except IOError: - self.assertTrue(True, "Got expected IOError") - except Exception: - self.fail("Should have returned IOError") - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/check_png_dos.py b/Tests/check_png_dos.py index 12c9955fb4d..d8d645189e6 100644 --- a/Tests/check_png_dos.py +++ b/Tests/check_png_dos.py @@ -1,64 +1,61 @@ -from helper import unittest, PillowTestCase -from PIL import Image, PngImagePlugin, ImageFile -from io import BytesIO import zlib +from io import BytesIO + +from PIL import Image, ImageFile, PngImagePlugin TEST_FILE = "Tests/images/png_decompression_dos.png" -class TestPngDos(PillowTestCase): - def test_ignore_dos_text(self): - ImageFile.LOAD_TRUNCATED_IMAGES = True +def test_ignore_dos_text(): + ImageFile.LOAD_TRUNCATED_IMAGES = True + + try: + im = Image.open(TEST_FILE) + im.load() + finally: + ImageFile.LOAD_TRUNCATED_IMAGES = False - try: - im = Image.open(TEST_FILE) - im.load() - finally: - ImageFile.LOAD_TRUNCATED_IMAGES = False + for s in im.text.values(): + assert len(s) < 1024 * 1024, "Text chunk larger than 1M" - for s in im.text.values(): - self.assertLess(len(s), 1024*1024, "Text chunk larger than 1M") + for s in im.info.values(): + assert len(s) < 1024 * 1024, "Text chunk larger than 1M" - for s in im.info.values(): - self.assertLess(len(s), 1024*1024, "Text chunk larger than 1M") - def test_dos_text(self): +def test_dos_text(): - try: - im = Image.open(TEST_FILE) - im.load() - except ValueError as msg: - self.assertTrue(msg, "Decompressed Data Too Large") - return + try: + im = Image.open(TEST_FILE) + im.load() + except ValueError as msg: + assert msg, "Decompressed Data Too Large" + return - for s in im.text.values(): - self.assertLess(len(s), 1024*1024, "Text chunk larger than 1M") + for s in im.text.values(): + assert len(s) < 1024 * 1024, "Text chunk larger than 1M" - def test_dos_total_memory(self): - im = Image.new('L', (1, 1)) - compressed_data = zlib.compress('a'*1024*1023) - info = PngImagePlugin.PngInfo() +def test_dos_total_memory(): + im = Image.new("L", (1, 1)) + compressed_data = zlib.compress(b"a" * 1024 * 1023) - for x in range(64): - info.add_text('t%s' % x, compressed_data, 1) - info.add_itxt('i%s' % x, compressed_data, zip=True) + info = PngImagePlugin.PngInfo() - b = BytesIO() - im.save(b, 'PNG', pnginfo=info) - b.seek(0) + for x in range(64): + info.add_text(f"t{x}", compressed_data, zip=True) + info.add_itxt(f"i{x}", compressed_data, zip=True) - try: - im2 = Image.open(b) - except ValueError as msg: - self.assertIn("Too much memory", msg) - return + b = BytesIO() + im.save(b, "PNG", pnginfo=info) + b.seek(0) - total_len = 0 - for txt in im2.text.values(): - total_len += len(txt) - self.assertLess(total_len, 64*1024*1024, - "Total text chunks greater than 64M") + try: + im2 = Image.open(b) + except ValueError as msg: + assert "Too much memory" in msg + return -if __name__ == '__main__': - unittest.main() + total_len = 0 + for txt in im2.text.values(): + total_len += len(txt) + assert total_len < 64 * 1024 * 1024, "Total text chunks greater than 64M" diff --git a/Tests/check_webp_leaks.py b/Tests/check_webp_leaks.py deleted file mode 100644 index 0f54f382d33..00000000000 --- a/Tests/check_webp_leaks.py +++ /dev/null @@ -1,38 +0,0 @@ -from __future__ import division -from helper import unittest, PillowTestCase -import sys -from PIL import Image -from io import BytesIO - -# Limits for testing the leak -mem_limit = 16 # max increase in MB -iterations = 5000 -test_file = "Tests/images/hopper.webp" - - -@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS") -class TestWebPLeaks(PillowTestCase): - - def setUp(self): - try: - from PIL import _webp - except ImportError: - self.skipTest('WebP support not installed') - - def _get_mem_usage(self): - from resource import getpagesize, getrusage, RUSAGE_SELF - mem = getrusage(RUSAGE_SELF).ru_maxrss - return mem * getpagesize() / 1024 / 1024 - - def test_leak_load(self): - with open(test_file, 'rb') as f: - im_data = f.read() - start_mem = self._get_mem_usage() - for _ in range(iterations): - with Image.open(BytesIO(im_data)) as im: - im.load() - mem = (self._get_mem_usage() - start_mem) - self.assertLess(mem, mem_limit, msg='memory usage limit exceeded') - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/conftest.py b/Tests/conftest.py new file mode 100644 index 00000000000..66da7593c2e --- /dev/null +++ b/Tests/conftest.py @@ -0,0 +1,31 @@ +import io + + +def pytest_report_header(config): + try: + from PIL import features + + with io.StringIO() as out: + features.pilinfo(out=out, supported_formats=False) + return out.getvalue() + except Exception as e: + return f"pytest_report_header failed: {e}" + + +def pytest_configure(config): + config.addinivalue_line( + "markers", + "pil_noop_mark: A conditional mark where nothing special happens", + ) + + # We're marking some tests to ignore valgrind errors and XFAIL them. + # Ensure that the mark is defined + # even in cases where pytest-valgrind isn't installed + try: + config.addinivalue_line( + "markers", + "valgrind_known_error: Tests that have known issues with valgrind", + ) + except Exception: + # valgrind is already installed + pass diff --git a/Tests/createfontdatachunk.py b/Tests/createfontdatachunk.py new file mode 100755 index 00000000000..e318eb73217 --- /dev/null +++ b/Tests/createfontdatachunk.py @@ -0,0 +1,16 @@ +#!/usr/bin/env python3 +import base64 +import os + +if __name__ == "__main__": + # create font data chunk for embedding + font = "Tests/images/courB08" + print(" f._load_pilfont_data(") + print(f" # {os.path.basename(font)}") + print(" BytesIO(base64.decodestring(b'''") + with open(font + ".pil", "rb") as fp: + print(base64.b64encode(fp.read()).decode()) + print("''')), Image.open(BytesIO(base64.decodestring(b'''") + with open(font + ".pbm", "rb") as fp: + print(base64.b64encode(fp.read()).decode()) + print("'''))))") diff --git a/Tests/fonts/10x20-ISO8859-1.pcf b/Tests/fonts/10x20-ISO8859-1.pcf new file mode 100644 index 00000000000..d0d7ed9210c Binary files /dev/null and b/Tests/fonts/10x20-ISO8859-1.pcf differ diff --git a/Tests/fonts/10x20.pbm b/Tests/fonts/10x20.pbm new file mode 100644 index 00000000000..42c38eeb094 Binary files /dev/null and b/Tests/fonts/10x20.pbm differ diff --git a/Tests/fonts/10x20.pil b/Tests/fonts/10x20.pil new file mode 100644 index 00000000000..14d6e8be7b2 Binary files /dev/null and b/Tests/fonts/10x20.pil differ diff --git a/Tests/fonts/AdobeVFPrototype.ttf b/Tests/fonts/AdobeVFPrototype.ttf new file mode 100644 index 00000000000..64f5ea8e1ed Binary files /dev/null and b/Tests/fonts/AdobeVFPrototype.ttf differ diff --git a/Tests/fonts/ArefRuqaa-Regular.ttf b/Tests/fonts/ArefRuqaa-Regular.ttf new file mode 100644 index 00000000000..940cb58f4dc Binary files /dev/null and b/Tests/fonts/ArefRuqaa-Regular.ttf differ diff --git a/Tests/fonts/BungeeColor-Regular_colr_Windows.ttf b/Tests/fonts/BungeeColor-Regular_colr_Windows.ttf new file mode 100644 index 00000000000..d8eabb3b6a3 Binary files /dev/null and b/Tests/fonts/BungeeColor-Regular_colr_Windows.ttf differ diff --git a/Tests/fonts/DejaVuSans-bitmap.ttf b/Tests/fonts/DejaVuSans-bitmap.ttf deleted file mode 100644 index 702cce37de2..00000000000 Binary files a/Tests/fonts/DejaVuSans-bitmap.ttf and /dev/null differ diff --git a/Tests/fonts/DejaVuSans/DejaVuSans-24-1-stripped.ttf b/Tests/fonts/DejaVuSans/DejaVuSans-24-1-stripped.ttf new file mode 100644 index 00000000000..8eaf1ee0811 Binary files /dev/null and b/Tests/fonts/DejaVuSans/DejaVuSans-24-1-stripped.ttf differ diff --git a/Tests/fonts/DejaVuSans/DejaVuSans-24-2-stripped.ttf b/Tests/fonts/DejaVuSans/DejaVuSans-24-2-stripped.ttf new file mode 100644 index 00000000000..23366725106 Binary files /dev/null and b/Tests/fonts/DejaVuSans/DejaVuSans-24-2-stripped.ttf differ diff --git a/Tests/fonts/DejaVuSans/DejaVuSans-24-4-stripped.ttf b/Tests/fonts/DejaVuSans/DejaVuSans-24-4-stripped.ttf new file mode 100644 index 00000000000..9accc9ebcaf Binary files /dev/null and b/Tests/fonts/DejaVuSans/DejaVuSans-24-4-stripped.ttf differ diff --git a/Tests/fonts/DejaVuSans/DejaVuSans-24-8-stripped.ttf b/Tests/fonts/DejaVuSans/DejaVuSans-24-8-stripped.ttf new file mode 100644 index 00000000000..0f93442678d Binary files /dev/null and b/Tests/fonts/DejaVuSans/DejaVuSans-24-8-stripped.ttf differ diff --git a/Tests/fonts/DejaVuSans.ttf b/Tests/fonts/DejaVuSans/DejaVuSans.ttf similarity index 100% rename from Tests/fonts/DejaVuSans.ttf rename to Tests/fonts/DejaVuSans/DejaVuSans.ttf diff --git a/Tests/fonts/DejaVuSans/LICENSE.txt b/Tests/fonts/DejaVuSans/LICENSE.txt new file mode 100644 index 00000000000..30516578fb2 --- /dev/null +++ b/Tests/fonts/DejaVuSans/LICENSE.txt @@ -0,0 +1,40 @@ +DejaVuSans-24-{1,2,4,8}-stripped.ttf are based on DejaVuSans.ttf converted using FontForge to add bitmap strikes and keep only the ASCII range. + +DejaVu Fonts — License +Fonts are © Bitstream (see below). DejaVu changes are in public domain. Explanation of copyright is on Gnome page on Bitstream Vera fonts. Glyphs imported from Arev fonts are © Tavmjung Bah (see below) + +Bitstream Vera Fonts Copyright +Copyright (c) 2003 by Bitstream, Inc. All Rights Reserved. Bitstream Vera is a trademark of Bitstream, Inc. + +Permission is hereby granted, free of charge, to any person obtaining a copy of the fonts accompanying this license ("Fonts") and associated documentation files (the "Font Software"), to reproduce and distribute the Font Software, including without limitation the rights to use, copy, merge, publish, distribute, and/or sell copies of the Font Software, and to permit persons to whom the Font Software is furnished to do so, subject to the following conditions: + +The above copyright and trademark notices and this permission notice shall be included in all copies of one or more of the Font Software typefaces. + +The Font Software may be modified, altered, or added to, and in particular the designs of glyphs or characters in the Fonts may be modified and additional glyphs or characters may be added to the Fonts, only if the fonts are renamed to names not containing either the words "Bitstream" or the word "Vera". + +This License becomes null and void to the extent applicable to Fonts or Font Software that has been modified and is distributed under the "Bitstream Vera" names. + +The Font Software may be sold as part of a larger software package but no copy of one or more of the Font Software typefaces may be sold by itself. + +THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL BITSTREAM OR THE GNOME FOUNDATION BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER DEALINGS IN THE FONT SOFTWARE. + +Except as contained in this notice, the names of Gnome, the Gnome Foundation, and Bitstream Inc., shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Font Software without prior written authorization from the Gnome Foundation or Bitstream Inc., respectively. For further information, contact: fonts at gnome dot org. + +Arev Fonts Copyright +Original text + +Copyright (c) 2006 by Tavmjong Bah. All Rights Reserved. + +Permission is hereby granted, free of charge, to any person obtaining a copy of the fonts accompanying this license ("Fonts") and associated documentation files (the "Font Software"), to reproduce and distribute the modifications to the Bitstream Vera Font Software, including without limitation the rights to use, copy, merge, publish, distribute, and/or sell copies of the Font Software, and to permit persons to whom the Font Software is furnished to do so, subject to the following conditions: + +The above copyright and trademark notices and this permission notice shall be included in all copies of one or more of the Font Software typefaces. + +The Font Software may be modified, altered, or added to, and in particular the designs of glyphs or characters in the Fonts may be modified and additional glyphs or characters may be added to the Fonts, only if the fonts are renamed to names not containing either the words "Tavmjong Bah" or the word "Arev". + +This License becomes null and void to the extent applicable to Fonts or Font Software that has been modified and is distributed under the "Tavmjong Bah Arev" names. + +The Font Software may be sold as part of a larger software package but no copy of one or more of the Font Software typefaces may be sold by itself. + +THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL TAVMJONG BAH BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER DEALINGS IN THE FONT SOFTWARE. + +Except as contained in this notice, the name of Tavmjong Bah shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Font Software without prior written authorization from Tavmjong Bah. For further information, contact: tavmjong @ free . fr. \ No newline at end of file diff --git a/Tests/fonts/KhmerOSBattambang-Regular.ttf b/Tests/fonts/KhmerOSBattambang-Regular.ttf new file mode 100755 index 00000000000..b812c0af1bc Binary files /dev/null and b/Tests/fonts/KhmerOSBattambang-Regular.ttf differ diff --git a/Tests/fonts/LICENSE.txt b/Tests/fonts/LICENSE.txt new file mode 100644 index 00000000000..104ff677cad --- /dev/null +++ b/Tests/fonts/LICENSE.txt @@ -0,0 +1,26 @@ + +NotoNastaliqUrdu-Regular.ttf and NotoSansSymbols-Regular.ttf, from https://github.com/googlei18n/noto-fonts +NotoSans-Regular.ttf, from https://www.google.com/get/noto/ +NotoSansJP-Thin.otf, from https://www.google.com/get/noto/help/cjk/ +NotoColorEmoji.ttf, from https://github.com/googlefonts/noto-emoji +AdobeVFPrototype.ttf, from https://github.com/adobe-fonts/adobe-variable-font-prototype +TINY5x3GX.ttf, from http://velvetyne.fr/fonts/tiny +ArefRuqaa-Regular.ttf, from https://github.com/google/fonts/tree/master/ofl/arefruqaa +ter-x20b.pcf, from http://terminus-font.sourceforge.net/ +BungeeColor-Regular_colr_Windows.ttf, from https://github.com/djrrb/bungee + +All of the above fonts are published under the SIL Open Font License (OFL) v1.1 (http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=OFL), which allows you to copy, modify, and redistribute them if you need to. + +FreeMono.ttf is licensed under GPLv3, with the GPL font exception. + +OpenSansCondensed-LightItalic.tt, from https://fonts.google.com/specimen/Open+Sans, under Apache License 2.0 (http://www.apache.org/licenses/LICENSE-2.0) + +chromacheck-sbix.woff, from https://github.com/RoelN/ChromaCheck, under The MIT License (MIT), Copyright (c) 2018 Roel Nieskens, https://pixelambacht.nl Copyright (c) 2018 Google LLC + +KhmerOSBattambang-Regular.ttf is licensed under LGPL-2.1 or later. + +FreeMono.ttf is licensed under GPLv3. + +10x20-ISO8859-1.pcf, from https://packages.ubuntu.com/xenial/xfonts-base + +"Public domain font. 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""" -from __future__ import print_function + +import logging +import os +import shutil import sys +import sysconfig import tempfile -import os +from io import BytesIO + +import pytest +from packaging.version import parse as parse_version + +from PIL import Image, ImageMath, features + +logger = logging.getLogger(__name__) + + +HAS_UPLOADER = False + +if os.environ.get("SHOW_ERRORS", None): + # local img.show for errors. + HAS_UPLOADER = True + + class test_image_results: + @staticmethod + def upload(a, b): + a.show() + b.show() + + +elif "GITHUB_ACTIONS" in os.environ: + HAS_UPLOADER = True + + class test_image_results: + @staticmethod + def upload(a, b): + dir_errors = os.path.join(os.path.dirname(__file__), "errors") + os.makedirs(dir_errors, exist_ok=True) + tmpdir = tempfile.mkdtemp(dir=dir_errors) + a.save(os.path.join(tmpdir, "a.png")) + b.save(os.path.join(tmpdir, "b.png")) + return tmpdir + -if sys.version_info[:2] <= (2, 6): - import unittest2 as unittest else: - import unittest + try: + import test_image_results + + HAS_UPLOADER = True + except ImportError: + pass + + +def convert_to_comparable(a, b): + new_a, new_b = a, b + if a.mode == "P": + new_a = Image.new("L", a.size) + new_b = Image.new("L", b.size) + new_a.putdata(a.getdata()) + new_b.putdata(b.getdata()) + elif a.mode == "I;16": + new_a = a.convert("I") + new_b = b.convert("I") + return new_a, new_b + + +def assert_deep_equal(a, b, msg=None): + try: + assert len(a) == len(b), msg or f"got length {len(a)}, expected {len(b)}" + except Exception: + assert a == b, msg + + +def assert_image(im, mode, size, msg=None): + if mode is not None: + assert im.mode == mode, ( + msg or f"got mode {repr(im.mode)}, expected {repr(mode)}" + ) + + if size is not None: + assert im.size == size, ( + msg or f"got size {repr(im.size)}, expected {repr(size)}" + ) + + +def assert_image_equal(a, b, msg=None): + assert a.mode == b.mode, msg or f"got mode {repr(a.mode)}, expected {repr(b.mode)}" + assert a.size == b.size, msg or f"got size {repr(a.size)}, expected {repr(b.size)}" + if a.tobytes() != b.tobytes(): + if HAS_UPLOADER: + try: + url = test_image_results.upload(a, b) + logger.error(f"Url for test images: {url}") + except Exception: + pass + assert False, msg or "got different content" -class PillowTestCase(unittest.TestCase): - def __init__(self, *args, **kwargs): - unittest.TestCase.__init__(self, *args, **kwargs) - # holds last result object passed to run method: - self.currentResult = None +def assert_image_equal_tofile(a, filename, msg=None, mode=None): + with Image.open(filename) as img: + if mode: + img = img.convert(mode) + assert_image_equal(a, img, msg) - # Nicer output for --verbose - def __str__(self): - return self.__class__.__name__ + "." + self._testMethodName - def run(self, result=None): - self.currentResult = result # remember result for use later - unittest.TestCase.run(self, result) # call superclass run method +def assert_image_similar(a, b, epsilon, msg=None): + assert a.mode == b.mode, msg or f"got mode {repr(a.mode)}, expected {repr(b.mode)}" + assert a.size == b.size, msg or f"got size {repr(a.size)}, expected {repr(b.size)}" - def delete_tempfile(self, path): - try: - ok = self.currentResult.wasSuccessful() - except AttributeError: # for nosetests - proxy = self.currentResult - ok = (len(proxy.errors) + len(proxy.failures) == 0) + a, b = convert_to_comparable(a, b) - if ok: - # only clean out tempfiles if test passed + diff = 0 + for ach, bch in zip(a.split(), b.split()): + chdiff = ImageMath.eval("abs(a - b)", a=ach, b=bch).convert("L") + diff += sum(i * num for i, num in enumerate(chdiff.histogram())) + + ave_diff = diff / (a.size[0] * a.size[1]) + try: + assert epsilon >= ave_diff, ( + (msg or "") + + f" average pixel value difference {ave_diff:.4f} > epsilon {epsilon:.4f}" + ) + except Exception as e: + if HAS_UPLOADER: try: - os.remove(path) - except OSError: - pass # report? + url = test_image_results.upload(a, b) + logger.error(f"Url for test images: {url}") + except Exception: + pass + raise e + + +def assert_image_similar_tofile(a, filename, epsilon, msg=None, mode=None): + with Image.open(filename) as img: + if mode: + img = img.convert(mode) + assert_image_similar(a, img, epsilon, msg) + + +def assert_all_same(items, msg=None): + assert items.count(items[0]) == len(items), msg + + +def assert_not_all_same(items, msg=None): + assert items.count(items[0]) != len(items), msg + + +def assert_tuple_approx_equal(actuals, targets, threshold, msg): + """Tests if actuals has values within threshold from targets""" + value = True + for i, target in enumerate(targets): + value *= target - threshold <= actuals[i] <= target + threshold + + assert value, msg + ": " + repr(actuals) + " != " + repr(targets) + + +def skip_unless_feature(feature): + reason = f"{feature} not available" + return pytest.mark.skipif(not features.check(feature), reason=reason) + + +def skip_unless_feature_version(feature, version_required, reason=None): + if not features.check(feature): + return pytest.mark.skip(f"{feature} not available") + if reason is None: + reason = f"{feature} is older than {version_required}" + version_required = parse_version(version_required) + version_available = parse_version(features.version(feature)) + return pytest.mark.skipif(version_available < version_required, reason=reason) + + +def mark_if_feature_version(mark, feature, version_blacklist, reason=None): + if not features.check(feature): + return pytest.mark.pil_noop_mark() + if reason is None: + reason = f"{feature} is {version_blacklist}" + version_required = parse_version(version_blacklist) + version_available = parse_version(features.version(feature)) + if ( + version_available.major == version_required.major + and version_available.minor == version_required.minor + ): + return mark(reason=reason) + return pytest.mark.pil_noop_mark() + + +@pytest.mark.skipif(sys.platform.startswith("win32"), reason="Requires Unix or macOS") +class PillowLeakTestCase: + # requires unix/macOS + iterations = 100 # count + mem_limit = 512 # k + + def _get_mem_usage(self): + """ + Gets the RUSAGE memory usage, returns in K. Encapsulates the difference + between macOS and Linux rss reporting + + :returns: memory usage in kilobytes + """ + + from resource import RUSAGE_SELF, getrusage + + mem = getrusage(RUSAGE_SELF).ru_maxrss + if sys.platform == "darwin": + # man 2 getrusage: + # ru_maxrss + # This is the maximum resident set size utilized (in bytes). + return mem / 1024 # Kb else: - print("=== orphaned temp file: %s" % path) - - def assert_deep_equal(self, a, b, msg=None): - try: - self.assertEqual( - len(a), len(b), - msg or "got length %s, expected %s" % (len(a), len(b))) - self.assertTrue( - all([x == y for x, y in zip(a, b)]), - msg or "got %s, expected %s" % (a, b)) - except: - self.assertEqual(a, b, msg) - - def assert_image(self, im, mode, size, msg=None): - if mode is not None: - self.assertEqual( - im.mode, mode, - msg or "got mode %r, expected %r" % (im.mode, mode)) - - if size is not None: - self.assertEqual( - im.size, size, - msg or "got size %r, expected %r" % (im.size, size)) - - def assert_image_equal(self, a, b, msg=None): - self.assertEqual( - a.mode, b.mode, - msg or "got mode %r, expected %r" % (a.mode, b.mode)) - self.assertEqual( - a.size, b.size, - msg or "got size %r, expected %r" % (a.size, b.size)) - if a.tobytes() != b.tobytes(): - self.fail(msg or "got different content") - - def assert_image_similar(self, a, b, epsilon, msg=None): - epsilon = float(epsilon) - self.assertEqual( - a.mode, b.mode, - msg or "got mode %r, expected %r" % (a.mode, b.mode)) - self.assertEqual( - a.size, b.size, - msg or "got size %r, expected %r" % (a.size, b.size)) - - diff = 0 - try: - ord(b'0') - for abyte, bbyte in zip(a.tobytes(), b.tobytes()): - diff += abs(ord(abyte)-ord(bbyte)) - except: - for abyte, bbyte in zip(a.tobytes(), b.tobytes()): - diff += abs(abyte-bbyte) - ave_diff = float(diff)/(a.size[0]*a.size[1]) - self.assertGreaterEqual( - epsilon, ave_diff, - (msg or '') + - " average pixel value difference %.4f > epsilon %.4f" % ( - ave_diff, epsilon)) - - def assert_warning(self, warn_class, func, *args, **kwargs): - import warnings - - result = None - with warnings.catch_warnings(record=True) as w: - # Cause all warnings to always be triggered. - warnings.simplefilter("always") - - # Hopefully trigger a warning. - result = func(*args, **kwargs) - - # Verify some things. - self.assertGreaterEqual(len(w), 1) - found = False - for v in w: - if issubclass(v.category, warn_class): - found = True - break - self.assertTrue(found) - return result + # linux + # man 2 getrusage + # ru_maxrss (since Linux 2.6.32) + # This is the maximum resident set size used (in kilobytes). + return mem # Kb - def skipKnownBadTest(self, msg=None, platform=None, - travis=None, interpreter=None): - # Skip if platform/travis matches, and - # PILLOW_RUN_KNOWN_BAD is not true in the environment. - if bool(os.environ.get('PILLOW_RUN_KNOWN_BAD', False)): - print(os.environ.get('PILLOW_RUN_KNOWN_BAD', False)) - return - - skip = True - if platform is not None: - skip = sys.platform.startswith(platform) - if travis is not None: - skip = skip and (travis == bool(os.environ.get('TRAVIS', False))) - if interpreter is not None: - skip = skip and (interpreter == 'pypy' and - hasattr(sys, 'pypy_version_info')) - if skip: - self.skipTest(msg or "Known Bad Test") - - def tempfile(self, template): - assert template[:5] in ("temp.", "temp_") - (fd, path) = tempfile.mkstemp(template[4:], template[:4]) - os.close(fd) - - self.addCleanup(self.delete_tempfile, path) - return path - - def open_withImagemagick(self, f): - if not imagemagick_available(): - raise IOError() - - outfile = self.tempfile("temp.png") - if command_succeeds([IMCONVERT, f, outfile]): - from PIL import Image - return Image.open(outfile) - raise IOError() + def _test_leak(self, core): + start_mem = self._get_mem_usage() + for cycle in range(self.iterations): + core() + mem = self._get_mem_usage() - start_mem + msg = f"memory usage limit exceeded in iteration {cycle}" + assert mem < self.mem_limit, msg # helpers -py3 = (sys.version_info >= (3, 0)) - def fromstring(data): - from io import BytesIO - from PIL import Image return Image.open(BytesIO(data)) def tostring(im, string_format, **options): - from io import BytesIO out = BytesIO() im.save(out, string_format, **options) return out.getvalue() def hopper(mode=None, cache={}): - from PIL import Image if mode is None: # Always return fresh not-yet-loaded version of image. # Operations on not-yet-loaded images is separate class of errors @@ -198,49 +260,73 @@ def hopper(mode=None, cache={}): return im.copy() -def command_succeeds(cmd): - """ - Runs the command, which must be a list of strings. Returns True if the - command succeeds, or False if an OSError was raised by subprocess.Popen. - """ - import subprocess - with open(os.devnull, 'w') as f: - try: - subprocess.Popen(cmd, stdout=f, stderr=subprocess.STDOUT).wait() - except OSError: - return False - return True - - def djpeg_available(): - return command_succeeds(['djpeg', '--help']) + return bool(shutil.which("djpeg")) def cjpeg_available(): - return command_succeeds(['cjpeg', '--help']) + return bool(shutil.which("cjpeg")) def netpbm_available(): - return (command_succeeds(["ppmquant", "--help"]) and - command_succeeds(["ppmtogif", "--help"])) + return bool(shutil.which("ppmquant") and shutil.which("ppmtogif")) -def imagemagick_available(): - return IMCONVERT and command_succeeds([IMCONVERT, '-version']) +def magick_command(): + if sys.platform == "win32": + magickhome = os.environ.get("MAGICK_HOME", "") + if magickhome: + imagemagick = [os.path.join(magickhome, "convert.exe")] + graphicsmagick = [os.path.join(magickhome, "gm.exe"), "convert"] + else: + imagemagick = None + graphicsmagick = None + else: + imagemagick = ["convert"] + graphicsmagick = ["gm", "convert"] + + if imagemagick and shutil.which(imagemagick[0]): + return imagemagick + elif graphicsmagick and shutil.which(graphicsmagick[0]): + return graphicsmagick def on_appveyor(): - return 'APPVEYOR' in os.environ + return "APPVEYOR" in os.environ -if sys.platform == 'win32': - IMCONVERT = os.environ.get('MAGICK_HOME', '') - if IMCONVERT: - IMCONVERT = os.path.join(IMCONVERT, 'convert.exe') -else: - IMCONVERT = 'convert' + +def on_github_actions(): + return "GITHUB_ACTIONS" in os.environ + + +def on_ci(): + # GitHub Actions and AppVeyor have "CI" + return "CI" in os.environ + + +def is_big_endian(): + return sys.byteorder == "big" + + +def is_ppc64le(): + import platform + + return platform.machine() == "ppc64le" + + +def is_win32(): + return sys.platform.startswith("win32") + + +def is_pypy(): + return hasattr(sys, "pypy_translation_info") + + +def is_mingw(): + return sysconfig.get_platform() == "mingw" -class cached_property(object): +class cached_property: def __init__(self, func): self.func = func diff --git a/Tests/images/00r0_gray_l.jp2 b/Tests/images/00r0_gray_l.jp2 new file mode 100644 index 00000000000..28612238a9c Binary files /dev/null and b/Tests/images/00r0_gray_l.jp2 differ diff --git a/Tests/images/00r1_graya_la.jp2 b/Tests/images/00r1_graya_la.jp2 new file mode 100644 index 00000000000..f3f840a08e3 Binary files /dev/null and b/Tests/images/00r1_graya_la.jp2 differ diff --git a/Tests/images/01r_00.pcx b/Tests/images/01r_00.pcx new file mode 100644 index 00000000000..f40777ac582 Binary files /dev/null and b/Tests/images/01r_00.pcx differ diff --git a/Tests/images/16_bit_noise.tif b/Tests/images/16_bit_noise.tif new file mode 100644 index 00000000000..19180638efa Binary files /dev/null and b/Tests/images/16_bit_noise.tif differ diff --git a/Tests/images/16bit.s.tif 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a/Tests/images/first_frame_transparency.gif b/Tests/images/first_frame_transparency.gif new file mode 100644 index 00000000000..86dc0de64a9 Binary files /dev/null and b/Tests/images/first_frame_transparency.gif differ diff --git a/Tests/images/fli_oob/02r/02r00.fli b/Tests/images/fli_oob/02r/02r00.fli new file mode 100644 index 00000000000..eac0e4304f2 Binary files /dev/null and b/Tests/images/fli_oob/02r/02r00.fli differ diff --git a/Tests/images/fli_oob/02r/notes b/Tests/images/fli_oob/02r/notes new file mode 100644 index 00000000000..49f92b19bed --- /dev/null +++ b/Tests/images/fli_oob/02r/notes @@ -0,0 +1 @@ +Is this because a file-originating field is being interpreted as a *signed* int32, allowing it to provide negative values for 'advance'? diff --git a/Tests/images/fli_oob/02r/others/02r01.fli b/Tests/images/fli_oob/02r/others/02r01.fli new file mode 100644 index 00000000000..3a5864c84c5 Binary files /dev/null and b/Tests/images/fli_oob/02r/others/02r01.fli differ diff --git a/Tests/images/fli_oob/02r/others/02r02.fli b/Tests/images/fli_oob/02r/others/02r02.fli new file mode 100644 index 00000000000..2b3d15b55ae Binary files /dev/null and b/Tests/images/fli_oob/02r/others/02r02.fli differ diff --git a/Tests/images/fli_oob/02r/others/02r03.fli b/Tests/images/fli_oob/02r/others/02r03.fli new file mode 100644 index 00000000000..a631721321a Binary files /dev/null and b/Tests/images/fli_oob/02r/others/02r03.fli differ diff --git a/Tests/images/fli_oob/02r/others/02r04.fli b/Tests/images/fli_oob/02r/others/02r04.fli new file mode 100644 index 00000000000..4c17cbb3dee Binary files /dev/null and b/Tests/images/fli_oob/02r/others/02r04.fli differ diff --git a/Tests/images/fli_oob/02r/reproducing b/Tests/images/fli_oob/02r/reproducing new file mode 100644 index 00000000000..3286d94f1c7 --- /dev/null +++ b/Tests/images/fli_oob/02r/reproducing @@ -0,0 +1 @@ +Image.open(...).seek(212) diff --git a/Tests/images/fli_oob/03r/03r00.fli b/Tests/images/fli_oob/03r/03r00.fli new file mode 100644 index 00000000000..7972880cecd Binary files /dev/null and b/Tests/images/fli_oob/03r/03r00.fli differ diff --git a/Tests/images/fli_oob/03r/notes b/Tests/images/fli_oob/03r/notes new file mode 100644 index 00000000000..d75605cea64 --- /dev/null +++ b/Tests/images/fli_oob/03r/notes @@ -0,0 +1 @@ +ridiculous bytes value passed to ImagingFliDecode diff --git a/Tests/images/fli_oob/03r/others/03r01.fli b/Tests/images/fli_oob/03r/others/03r01.fli new file mode 100644 index 00000000000..1102c69ca3b Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r01.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r02.fli b/Tests/images/fli_oob/03r/others/03r02.fli new file mode 100644 index 00000000000..d30326fe0b0 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r02.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r03.fli b/Tests/images/fli_oob/03r/others/03r03.fli new file mode 100644 index 00000000000..7f3db178e60 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r03.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r04.fli b/Tests/images/fli_oob/03r/others/03r04.fli new file mode 100644 index 00000000000..f05375e843b Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r04.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r05.fli b/Tests/images/fli_oob/03r/others/03r05.fli new file mode 100644 index 00000000000..03794432419 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r05.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r06.fli b/Tests/images/fli_oob/03r/others/03r06.fli new file mode 100644 index 00000000000..1527cbf91a0 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r06.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r07.fli b/Tests/images/fli_oob/03r/others/03r07.fli new file mode 100644 index 00000000000..c9dea41351d Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r07.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r08.fli b/Tests/images/fli_oob/03r/others/03r08.fli new file mode 100644 index 00000000000..698101443c5 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r08.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r09.fli b/Tests/images/fli_oob/03r/others/03r09.fli new file mode 100644 index 00000000000..12058480a44 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r09.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r10.fli b/Tests/images/fli_oob/03r/others/03r10.fli new file mode 100644 index 00000000000..448b0a812d7 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r10.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r11.fli b/Tests/images/fli_oob/03r/others/03r11.fli new file mode 100644 index 00000000000..db1b5fe5870 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r11.fli differ diff --git a/Tests/images/fli_oob/03r/reproducing b/Tests/images/fli_oob/03r/reproducing new file mode 100644 index 00000000000..145b8b074a2 --- /dev/null +++ b/Tests/images/fli_oob/03r/reproducing @@ -0,0 +1 @@ +im = Image.open(d); im.seek(0); im.getdata() diff --git a/Tests/images/fli_oob/04r/04r00.fli b/Tests/images/fli_oob/04r/04r00.fli new file mode 100644 index 00000000000..c4e416f3903 Binary files /dev/null and b/Tests/images/fli_oob/04r/04r00.fli differ diff --git a/Tests/images/fli_oob/04r/initial.fli b/Tests/images/fli_oob/04r/initial.fli new file mode 100644 index 00000000000..5a8659f7c0b Binary files /dev/null and b/Tests/images/fli_oob/04r/initial.fli differ diff --git a/Tests/images/fli_oob/04r/notes b/Tests/images/fli_oob/04r/notes new file mode 100644 index 00000000000..7922e0ba895 --- /dev/null +++ b/Tests/images/fli_oob/04r/notes @@ -0,0 +1 @@ +failure to check input buffer (`data`) boundaries in BRUN chunk diff --git a/Tests/images/fli_oob/04r/others/04r01.fli b/Tests/images/fli_oob/04r/others/04r01.fli new file mode 100644 index 00000000000..af968970b65 Binary files /dev/null and b/Tests/images/fli_oob/04r/others/04r01.fli differ diff --git a/Tests/images/fli_oob/04r/others/04r02.fli b/Tests/images/fli_oob/04r/others/04r02.fli new file mode 100644 index 00000000000..ae027fc1180 Binary files /dev/null and b/Tests/images/fli_oob/04r/others/04r02.fli differ diff --git a/Tests/images/fli_oob/04r/others/04r03.fli b/Tests/images/fli_oob/04r/others/04r03.fli new file mode 100644 index 00000000000..ab92f4b6a83 Binary files /dev/null and b/Tests/images/fli_oob/04r/others/04r03.fli differ diff --git a/Tests/images/fli_oob/04r/others/04r04.fli b/Tests/images/fli_oob/04r/others/04r04.fli new file mode 100644 index 00000000000..533ffa027e8 Binary files /dev/null and b/Tests/images/fli_oob/04r/others/04r04.fli differ diff --git a/Tests/images/fli_oob/04r/others/04r05.fli b/Tests/images/fli_oob/04r/others/04r05.fli new file mode 100644 index 00000000000..b07ef6496af Binary files /dev/null and b/Tests/images/fli_oob/04r/others/04r05.fli differ diff --git a/Tests/images/fli_oob/04r/reproducing b/Tests/images/fli_oob/04r/reproducing new file mode 100644 index 00000000000..145b8b074a2 --- /dev/null +++ b/Tests/images/fli_oob/04r/reproducing @@ -0,0 +1 @@ +im = Image.open(d); im.seek(0); im.getdata() diff --git a/Tests/images/fli_oob/05r/05r00.fli b/Tests/images/fli_oob/05r/05r00.fli new file mode 100644 index 00000000000..dff5a01e804 Binary files /dev/null and b/Tests/images/fli_oob/05r/05r00.fli differ diff --git a/Tests/images/fli_oob/05r/notes b/Tests/images/fli_oob/05r/notes new file mode 100644 index 00000000000..bec9db779a7 --- /dev/null +++ b/Tests/images/fli_oob/05r/notes @@ -0,0 +1 @@ +failure to check input buffer (`data`) boundaries in LC chunk diff --git a/Tests/images/fli_oob/05r/others/05r01.fli b/Tests/images/fli_oob/05r/others/05r01.fli new file mode 100644 index 00000000000..1ad3444fec3 Binary files /dev/null and b/Tests/images/fli_oob/05r/others/05r01.fli differ diff --git a/Tests/images/fli_oob/05r/others/05r02.fli b/Tests/images/fli_oob/05r/others/05r02.fli new file mode 100644 index 00000000000..cd6429884c4 Binary files /dev/null and b/Tests/images/fli_oob/05r/others/05r02.fli differ diff --git a/Tests/images/fli_oob/05r/others/05r03.fli b/Tests/images/fli_oob/05r/others/05r03.fli new file mode 100644 index 00000000000..2a4be914cb8 Binary files /dev/null and b/Tests/images/fli_oob/05r/others/05r03.fli differ diff --git a/Tests/images/fli_oob/05r/others/05r04.fli b/Tests/images/fli_oob/05r/others/05r04.fli new file mode 100644 index 00000000000..0b547c7e2ec Binary files /dev/null and b/Tests/images/fli_oob/05r/others/05r04.fli differ diff --git a/Tests/images/fli_oob/05r/others/05r05.fli b/Tests/images/fli_oob/05r/others/05r05.fli new file mode 100644 index 00000000000..0bf7752300e Binary files /dev/null and b/Tests/images/fli_oob/05r/others/05r05.fli differ diff --git a/Tests/images/fli_oob/05r/others/05r06.fli b/Tests/images/fli_oob/05r/others/05r06.fli new file mode 100644 index 00000000000..c35b8e232f9 Binary files /dev/null and b/Tests/images/fli_oob/05r/others/05r06.fli differ diff --git a/Tests/images/fli_oob/05r/others/05r07.fli b/Tests/images/fli_oob/05r/others/05r07.fli new file mode 100644 index 00000000000..b99ce01b307 Binary files /dev/null and b/Tests/images/fli_oob/05r/others/05r07.fli differ diff --git a/Tests/images/fli_oob/05r/reproducing b/Tests/images/fli_oob/05r/reproducing new file mode 100644 index 00000000000..145b8b074a2 --- /dev/null +++ b/Tests/images/fli_oob/05r/reproducing @@ -0,0 +1 @@ +im = Image.open(d); im.seek(0); im.getdata() diff --git a/Tests/images/fli_oob/06r/06r00.fli b/Tests/images/fli_oob/06r/06r00.fli new file mode 100644 index 00000000000..9189d6ed03f Binary files /dev/null and b/Tests/images/fli_oob/06r/06r00.fli differ diff --git a/Tests/images/fli_oob/06r/notes b/Tests/images/fli_oob/06r/notes new file mode 100644 index 00000000000..397ad4748a3 --- /dev/null +++ b/Tests/images/fli_oob/06r/notes @@ -0,0 +1 @@ +failure to check input buffer (`data`) boundaries in SS2 chunk diff --git a/Tests/images/fli_oob/06r/others/06r01.fli b/Tests/images/fli_oob/06r/others/06r01.fli new file mode 100644 index 00000000000..24a99dacc4f Binary files /dev/null and b/Tests/images/fli_oob/06r/others/06r01.fli differ diff --git a/Tests/images/fli_oob/06r/others/06r02.fli b/Tests/images/fli_oob/06r/others/06r02.fli new file mode 100644 index 00000000000..02067a32c10 Binary files /dev/null and b/Tests/images/fli_oob/06r/others/06r02.fli differ diff --git a/Tests/images/fli_oob/06r/others/06r03.fli b/Tests/images/fli_oob/06r/others/06r03.fli new file mode 100644 index 00000000000..649668c0ad9 Binary files /dev/null and b/Tests/images/fli_oob/06r/others/06r03.fli differ diff --git a/Tests/images/fli_oob/06r/others/06r04.fli b/Tests/images/fli_oob/06r/others/06r04.fli new file mode 100644 index 00000000000..bff28ccfcea Binary files /dev/null and b/Tests/images/fli_oob/06r/others/06r04.fli differ diff --git a/Tests/images/fli_oob/06r/reproducing b/Tests/images/fli_oob/06r/reproducing new file mode 100644 index 00000000000..145b8b074a2 --- /dev/null +++ b/Tests/images/fli_oob/06r/reproducing @@ -0,0 +1 @@ +im = Image.open(d); im.seek(0); im.getdata() diff --git a/Tests/images/fli_oob/patch0/000000 b/Tests/images/fli_oob/patch0/000000 new file mode 100644 index 00000000000..e074e4a76c0 Binary files /dev/null and b/Tests/images/fli_oob/patch0/000000 differ diff --git a/Tests/images/fli_oob/patch0/000001 b/Tests/images/fli_oob/patch0/000001 new file mode 100644 index 00000000000..6cfd7f6478f Binary files /dev/null and b/Tests/images/fli_oob/patch0/000001 differ diff --git a/Tests/images/fli_oob/patch0/000002 b/Tests/images/fli_oob/patch0/000002 new file mode 100644 index 00000000000..ff5a6b63b19 Binary files /dev/null and b/Tests/images/fli_oob/patch0/000002 differ diff --git a/Tests/images/fli_oob/patch0/000003 b/Tests/images/fli_oob/patch0/000003 new file mode 100644 index 00000000000..12c15b43ea7 Binary files /dev/null and b/Tests/images/fli_oob/patch0/000003 differ diff --git a/Tests/images/fli_overrun.bin b/Tests/images/fli_overrun.bin new file mode 100644 index 00000000000..e1e8c590179 Binary files /dev/null and b/Tests/images/fli_overrun.bin differ diff --git a/Tests/images/fli_overrun2.bin b/Tests/images/fli_overrun2.bin new file mode 100644 index 00000000000..4afdb6f8909 Binary files /dev/null and b/Tests/images/fli_overrun2.bin differ diff --git a/Tests/images/fujifilm.mpo b/Tests/images/fujifilm.mpo new file mode 100644 index 00000000000..ff0deb8a676 Binary files /dev/null and b/Tests/images/fujifilm.mpo differ diff --git a/Tests/images/g4_orientation_1.tif b/Tests/images/g4_orientation_1.tif new file mode 100755 index 00000000000..8ab0f1d0d02 Binary files /dev/null and b/Tests/images/g4_orientation_1.tif differ diff --git a/Tests/images/g4_orientation_2.tif b/Tests/images/g4_orientation_2.tif new file mode 100755 index 00000000000..4ab0856411f Binary files /dev/null and b/Tests/images/g4_orientation_2.tif differ diff --git a/Tests/images/g4_orientation_3.tif b/Tests/images/g4_orientation_3.tif new file mode 100755 index 00000000000..ca0d0fe29f2 Binary files /dev/null and b/Tests/images/g4_orientation_3.tif differ diff --git a/Tests/images/g4_orientation_4.tif b/Tests/images/g4_orientation_4.tif new file mode 100755 index 00000000000..166381fb73f Binary files /dev/null and b/Tests/images/g4_orientation_4.tif differ diff --git a/Tests/images/g4_orientation_5.tif b/Tests/images/g4_orientation_5.tif new file mode 100755 index 00000000000..9fecaad65c3 Binary files /dev/null and b/Tests/images/g4_orientation_5.tif differ diff --git a/Tests/images/g4_orientation_6.tif b/Tests/images/g4_orientation_6.tif new file mode 100755 index 00000000000..6abc001ebc1 Binary files /dev/null and b/Tests/images/g4_orientation_6.tif differ diff --git a/Tests/images/g4_orientation_7.tif b/Tests/images/g4_orientation_7.tif new file mode 100755 index 00000000000..0babc91083f Binary files /dev/null and b/Tests/images/g4_orientation_7.tif differ diff --git a/Tests/images/g4_orientation_8.tif b/Tests/images/g4_orientation_8.tif new file mode 100755 index 00000000000..3216a372577 Binary files /dev/null and b/Tests/images/g4_orientation_8.tif differ diff --git a/Tests/images/gfs.t06z.rassda.tm00.bufr_d b/Tests/images/gfs.t06z.rassda.tm00.bufr_d new file mode 100644 index 00000000000..4f895a15713 Binary files /dev/null and b/Tests/images/gfs.t06z.rassda.tm00.bufr_d differ diff --git a/Tests/images/gif_header_data.pkl b/Tests/images/gif_header_data.pkl new file mode 100644 index 00000000000..50f01aa0e08 Binary files /dev/null and b/Tests/images/gif_header_data.pkl differ diff --git a/Tests/images/hdf5.h5 b/Tests/images/hdf5.h5 new file mode 100644 index 00000000000..977e9659c5a Binary files /dev/null and b/Tests/images/hdf5.h5 differ diff --git a/Tests/images/high_ascii_chars.png b/Tests/images/high_ascii_chars.png index fc9ab8401a4..81cf810af49 100644 Binary files a/Tests/images/high_ascii_chars.png and b/Tests/images/high_ascii_chars.png differ diff --git a/Tests/images/hopper-XYZ.png b/Tests/images/hopper-XYZ.png new file mode 100644 index 00000000000..194d24540e1 Binary files /dev/null and b/Tests/images/hopper-XYZ.png differ diff --git a/Tests/images/hopper.bw b/Tests/images/hopper.bw index c9dabf64a5a..1503168ab9c 100644 Binary files a/Tests/images/hopper.bw and b/Tests/images/hopper.bw differ diff --git a/Tests/images/hopper.dds b/Tests/images/hopper.dds new file mode 100644 index 00000000000..8b9af9ed9a4 Binary files /dev/null and b/Tests/images/hopper.dds differ diff --git a/Tests/images/hopper.fits b/Tests/images/hopper.fits new file mode 100644 index 00000000000..85afa4ac167 Binary files /dev/null and b/Tests/images/hopper.fits differ diff --git a/Tests/images/hopper.gd b/Tests/images/hopper.gd new file mode 100644 index 00000000000..82d2408f93e Binary files /dev/null and b/Tests/images/hopper.gd differ diff --git a/Tests/images/hopper.mic b/Tests/images/hopper.mic new file mode 100644 index 00000000000..fe6792f2945 Binary files /dev/null and b/Tests/images/hopper.mic differ diff --git a/Tests/images/hopper.msp b/Tests/images/hopper.msp index 91d9a147ff0..18215f1aff7 100644 Binary files a/Tests/images/hopper.msp and b/Tests/images/hopper.msp differ diff --git a/Tests/images/hopper.p7 b/Tests/images/hopper.p7 new file mode 100644 index 00000000000..474b233d52c Binary files /dev/null and b/Tests/images/hopper.p7 differ diff --git a/Tests/images/hopper.pnm b/Tests/images/hopper.pnm new file mode 100644 index 00000000000..52368b2e234 Binary files /dev/null and b/Tests/images/hopper.pnm differ diff --git a/Tests/images/hopper.psd b/Tests/images/hopper.psd index e8b184cf5a3..5ec686ca022 100644 Binary files a/Tests/images/hopper.psd and b/Tests/images/hopper.psd differ diff --git a/Tests/images/hopper.pxr b/Tests/images/hopper.pxr new file mode 100644 index 00000000000..a7dee295a2c Binary files /dev/null and b/Tests/images/hopper.pxr differ diff --git a/Tests/images/hopper.rgb b/Tests/images/hopper.rgb index a72fc5b1514..7c6d4ce189d 100644 Binary files a/Tests/images/hopper.rgb and b/Tests/images/hopper.rgb differ diff --git a/Tests/images/hopper.sgi b/Tests/images/hopper.sgi new file mode 100644 index 00000000000..a72fc5b1514 Binary files /dev/null and b/Tests/images/hopper.sgi differ diff --git a/Tests/images/hopper.wal b/Tests/images/hopper.wal new file mode 100644 index 00000000000..f6260c6b33b Binary files /dev/null and b/Tests/images/hopper.wal differ diff --git a/Tests/images/hopper16.rgb b/Tests/images/hopper16.rgb new file mode 100755 index 00000000000..c3c7fb73585 Binary files /dev/null and b/Tests/images/hopper16.rgb differ diff --git a/Tests/images/hopper_16bit_qtables.jpg b/Tests/images/hopper_16bit_qtables.jpg new file mode 100644 index 00000000000..88abef943b9 Binary files /dev/null and b/Tests/images/hopper_16bit_qtables.jpg differ diff --git a/Tests/images/hopper_256x256.ico b/Tests/images/hopper_256x256.ico new file mode 100644 index 00000000000..2c08b1f3cf7 Binary files /dev/null and b/Tests/images/hopper_256x256.ico differ diff --git a/Tests/images/hopper_45.png b/Tests/images/hopper_45.png new file mode 100644 index 00000000000..a6e61428321 Binary files /dev/null and b/Tests/images/hopper_45.png differ diff --git a/Tests/images/hopper_bad.p7 b/Tests/images/hopper_bad.p7 new file mode 100644 index 00000000000..382929688bb --- /dev/null +++ b/Tests/images/hopper_bad.p7 @@ -0,0 +1,2 @@ +P7 332 +# Artificially edited file to cause unexpected EOF diff --git a/Tests/images/hopper_bad_checksum.msp b/Tests/images/hopper_bad_checksum.msp new file mode 100644 index 00000000000..248074a2294 Binary files /dev/null and b/Tests/images/hopper_bad_checksum.msp differ diff --git a/Tests/images/hopper_draw.ico b/Tests/images/hopper_draw.ico new file mode 100644 index 00000000000..01471189693 Binary files /dev/null and b/Tests/images/hopper_draw.ico differ diff --git a/Tests/images/hopper_emboss.bmp b/Tests/images/hopper_emboss.bmp new file mode 100644 index 00000000000..d8e001e2bd7 Binary files /dev/null and b/Tests/images/hopper_emboss.bmp differ diff --git a/Tests/images/hopper_emboss_more.bmp b/Tests/images/hopper_emboss_more.bmp new file mode 100644 index 00000000000..37a5db83075 Binary files /dev/null and b/Tests/images/hopper_emboss_more.bmp differ diff --git a/Tests/images/hopper_float_dpi_2.tif b/Tests/images/hopper_float_dpi_2.tif new file mode 100644 index 00000000000..e38541c5d84 Binary files /dev/null and b/Tests/images/hopper_float_dpi_2.tif differ diff --git a/Tests/images/hopper_float_dpi_3.tif b/Tests/images/hopper_float_dpi_3.tif new file mode 100644 index 00000000000..af6c96bd4e0 Binary files /dev/null and b/Tests/images/hopper_float_dpi_3.tif differ diff --git a/Tests/images/hopper_float_dpi_None.tif b/Tests/images/hopper_float_dpi_None.tif new file mode 100644 index 00000000000..b9863510829 Binary files /dev/null and b/Tests/images/hopper_float_dpi_None.tif differ diff --git a/Tests/images/hopper_idat_after_image_end.png b/Tests/images/hopper_idat_after_image_end.png new file mode 100644 index 00000000000..70b4a64002e Binary files /dev/null and b/Tests/images/hopper_idat_after_image_end.png differ diff --git a/Tests/images/hopper_long_name.im b/Tests/images/hopper_long_name.im new file mode 100644 index 00000000000..ff45b7c7539 Binary files /dev/null and b/Tests/images/hopper_long_name.im differ diff --git a/Tests/images/hopper_mask.ico b/Tests/images/hopper_mask.ico new file mode 100644 index 00000000000..e8d66c689fd Binary files /dev/null and b/Tests/images/hopper_mask.ico differ diff --git a/Tests/images/hopper_mask.png b/Tests/images/hopper_mask.png new file mode 100644 index 00000000000..c7bd2f70842 Binary files /dev/null and b/Tests/images/hopper_mask.png differ diff --git a/Tests/images/hopper_naxis_zero.fits b/Tests/images/hopper_naxis_zero.fits new file mode 100644 index 00000000000..580cf3a2c00 Binary files /dev/null and b/Tests/images/hopper_naxis_zero.fits differ diff --git a/Tests/images/hopper_orientation_2.jpg b/Tests/images/hopper_orientation_2.jpg new file mode 100644 index 00000000000..02b4f392e6f Binary files /dev/null and b/Tests/images/hopper_orientation_2.jpg differ diff --git a/Tests/images/hopper_orientation_2.webp b/Tests/images/hopper_orientation_2.webp new file mode 100644 index 00000000000..43381d2ba47 Binary files /dev/null and b/Tests/images/hopper_orientation_2.webp differ diff --git a/Tests/images/hopper_orientation_3.jpg b/Tests/images/hopper_orientation_3.jpg new file mode 100644 index 00000000000..01717d980da Binary files /dev/null and b/Tests/images/hopper_orientation_3.jpg differ diff --git a/Tests/images/hopper_orientation_3.webp b/Tests/images/hopper_orientation_3.webp new file mode 100644 index 00000000000..9537ff68e04 Binary files /dev/null and b/Tests/images/hopper_orientation_3.webp differ diff --git a/Tests/images/hopper_orientation_4.jpg b/Tests/images/hopper_orientation_4.jpg new file mode 100644 index 00000000000..3e0bb4e1a7e Binary files /dev/null and b/Tests/images/hopper_orientation_4.jpg differ diff --git a/Tests/images/hopper_orientation_4.webp b/Tests/images/hopper_orientation_4.webp new file mode 100644 index 00000000000..ca7b8cd302c Binary files /dev/null and b/Tests/images/hopper_orientation_4.webp differ diff --git a/Tests/images/hopper_orientation_5.jpg b/Tests/images/hopper_orientation_5.jpg new file mode 100644 index 00000000000..fd32afc27fa Binary files /dev/null and b/Tests/images/hopper_orientation_5.jpg differ diff --git a/Tests/images/hopper_orientation_5.webp b/Tests/images/hopper_orientation_5.webp new file mode 100644 index 00000000000..a3164a90d2d Binary files /dev/null and b/Tests/images/hopper_orientation_5.webp differ diff --git a/Tests/images/hopper_orientation_6.jpg b/Tests/images/hopper_orientation_6.jpg new file mode 100644 index 00000000000..22a09619827 Binary files /dev/null and b/Tests/images/hopper_orientation_6.jpg differ diff --git a/Tests/images/hopper_orientation_6.webp b/Tests/images/hopper_orientation_6.webp new file mode 100644 index 00000000000..3e24c5bcb5a Binary files /dev/null and b/Tests/images/hopper_orientation_6.webp differ diff --git a/Tests/images/hopper_orientation_7.jpg b/Tests/images/hopper_orientation_7.jpg new file mode 100644 index 00000000000..a7c45146a81 Binary files /dev/null and b/Tests/images/hopper_orientation_7.jpg differ diff --git a/Tests/images/hopper_orientation_7.webp b/Tests/images/hopper_orientation_7.webp new file mode 100644 index 00000000000..f78163aedc2 Binary files /dev/null and b/Tests/images/hopper_orientation_7.webp differ diff --git a/Tests/images/hopper_orientation_8.jpg b/Tests/images/hopper_orientation_8.jpg new file mode 100644 index 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+TGAs have names in the following format: + + {width}x{height}_{mode}_{origin}_{compression}.tga + +Where: + mode is PIL mode in lower case (L, P, RGB, etc.) + origin: + "bl" - bottom left + "tl" - top left + compression is either "raw" or "rle" diff --git a/Tests/images/tiff_16bit_RGB.tiff b/Tests/images/tiff_16bit_RGB.tiff new file mode 100644 index 00000000000..5eb7c73c245 Binary files /dev/null and b/Tests/images/tiff_16bit_RGB.tiff differ diff --git a/Tests/images/tiff_16bit_RGB_target.png b/Tests/images/tiff_16bit_RGB_target.png new file mode 100644 index 00000000000..9235800043b Binary files /dev/null and b/Tests/images/tiff_16bit_RGB_target.png differ diff --git a/Tests/images/tiff_16bit_RGBa.tiff b/Tests/images/tiff_16bit_RGBa.tiff new file mode 100644 index 00000000000..0fa209c5cb1 Binary files /dev/null and b/Tests/images/tiff_16bit_RGBa.tiff differ diff --git a/Tests/images/tiff_16bit_RGBa_target.png b/Tests/images/tiff_16bit_RGBa_target.png new file mode 100644 index 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a/Tests/images/zero_bb_emptyline.eps b/Tests/images/zero_bb_emptyline.eps new file mode 100644 index 00000000000..4f4bb710345 --- /dev/null +++ b/Tests/images/zero_bb_emptyline.eps @@ -0,0 +1,1493 @@ +%!PS-Adobe-2.0 EPSF-2.0 + +%%Title: sample.eps +%%Creator: gnuplot 4.6 patchlevel 3 +%%CreationDate: Wed Nov 20 00:23:10 2013 +%%DocumentFonts: (atend) +%%BoundingBox: 0 0 460 352 +%%EndComments +%%BeginProlog +/gnudict 256 dict def +gnudict begin +% +% The following true/false flags may be edited by hand if desired. +% The unit line width and grayscale image gamma correction may also be changed. +% +/Color true def +/Blacktext false def +/Solid false def +/Dashlength 1 def +/Landscape false def +/Level1 false def +/Rounded false def +/ClipToBoundingBox false def +/SuppressPDFMark false def +/TransparentPatterns false def +/gnulinewidth 5.000 def +/userlinewidth gnulinewidth def +/Gamma 1.0 def +/BackgroundColor {-1.000 -1.000 -1.000} def +% +/vshift -46 def +/dl1 { + 10.0 Dashlength mul mul + Rounded { currentlinewidth 0.75 mul sub dup 0 le { pop 0.01 } if } if +} def +/dl2 { + 10.0 Dashlength mul mul + Rounded { currentlinewidth 0.75 mul add } if +} def +/hpt_ 31.5 def +/vpt_ 31.5 def +/hpt hpt_ def +/vpt vpt_ def +/doclip { + ClipToBoundingBox { + newpath 50 50 moveto 410 50 lineto 410 302 lineto 50 302 lineto closepath + clip + } if +} def +% +% Gnuplot Prolog Version 4.6 (September 2012) +% +%/SuppressPDFMark true def +% +/M {moveto} bind def +/L {lineto} bind def +/R {rmoveto} bind def +/V {rlineto} bind def +/N {newpath moveto} bind def +/Z {closepath} bind def +/C {setrgbcolor} bind def +/f {rlineto fill} bind def +/g {setgray} bind def +/Gshow {show} def % May be redefined later in the file to support UTF-8 +/vpt2 vpt 2 mul def +/hpt2 hpt 2 mul def +/Lshow {currentpoint stroke M 0 vshift R + Blacktext {gsave 0 setgray show grestore} {show} ifelse} def +/Rshow {currentpoint stroke M dup stringwidth pop neg vshift R + Blacktext {gsave 0 setgray show grestore} {show} ifelse} def +/Cshow {currentpoint stroke M dup stringwidth pop -2 div vshift R + Blacktext {gsave 0 setgray show grestore} {show} ifelse} def +/UP {dup vpt_ mul /vpt exch def hpt_ mul /hpt exch def + /hpt2 hpt 2 mul def /vpt2 vpt 2 mul def} def +/DL {Color {setrgbcolor Solid {pop []} if 0 setdash} + {pop pop pop 0 setgray Solid {pop []} if 0 setdash} ifelse} def +/BL {stroke userlinewidth 2 mul setlinewidth + Rounded {1 setlinejoin 1 setlinecap} if} def +/AL {stroke userlinewidth 2 div setlinewidth + Rounded {1 setlinejoin 1 setlinecap} if} def +/UL {dup gnulinewidth mul /userlinewidth exch def + dup 1 lt {pop 1} if 10 mul /udl exch def} def +/PL {stroke userlinewidth setlinewidth + Rounded {1 setlinejoin 1 setlinecap} if} def +3.8 setmiterlimit +% Default Line colors +/LCw {1 1 1} def +/LCb {0 0 0} def +/LCa {0 0 0} def +/LC0 {1 0 0} def +/LC1 {0 1 0} def +/LC2 {0 0 1} def +/LC3 {1 0 1} def +/LC4 {0 1 1} def +/LC5 {1 1 0} def +/LC6 {0 0 0} def +/LC7 {1 0.3 0} def +/LC8 {0.5 0.5 0.5} def +% Default Line Types +/LTw {PL [] 1 setgray} def +/LTb {BL [] LCb DL} def +/LTa {AL [1 udl mul 2 udl mul] 0 setdash LCa setrgbcolor} def +/LT0 {PL [] LC0 DL} def +/LT1 {PL [4 dl1 2 dl2] LC1 DL} def +/LT2 {PL [2 dl1 3 dl2] LC2 DL} def +/LT3 {PL [1 dl1 1.5 dl2] LC3 DL} def +/LT4 {PL [6 dl1 2 dl2 1 dl1 2 dl2] LC4 DL} def +/LT5 {PL [3 dl1 3 dl2 1 dl1 3 dl2] LC5 DL} def +/LT6 {PL [2 dl1 2 dl2 2 dl1 6 dl2] LC6 DL} def +/LT7 {PL [1 dl1 2 dl2 6 dl1 2 dl2 1 dl1 2 dl2] LC7 DL} def +/LT8 {PL [2 dl1 2 dl2 2 dl1 2 dl2 2 dl1 2 dl2 2 dl1 4 dl2] LC8 DL} def +/Pnt {stroke [] 0 setdash gsave 1 setlinecap M 0 0 V stroke grestore} def +/Dia {stroke [] 0 setdash 2 copy vpt add M + hpt neg vpt neg V hpt vpt neg V + hpt vpt V hpt neg vpt V closepath stroke + Pnt} def +/Pls {stroke [] 0 setdash vpt sub M 0 vpt2 V + currentpoint stroke M + hpt neg vpt neg R hpt2 0 V stroke + } def +/Box {stroke [] 0 setdash 2 copy exch hpt sub exch vpt add M + 0 vpt2 neg V hpt2 0 V 0 vpt2 V + hpt2 neg 0 V closepath stroke + Pnt} def +/Crs {stroke [] 0 setdash exch hpt sub exch vpt add M + hpt2 vpt2 neg V currentpoint stroke M + hpt2 neg 0 R hpt2 vpt2 V stroke} def +/TriU {stroke [] 0 setdash 2 copy vpt 1.12 mul add M + hpt neg vpt -1.62 mul V + hpt 2 mul 0 V + hpt neg vpt 1.62 mul V closepath stroke + Pnt} def +/Star {2 copy Pls Crs} def +/BoxF {stroke [] 0 setdash exch hpt sub exch vpt add M + 0 vpt2 neg V hpt2 0 V 0 vpt2 V + hpt2 neg 0 V closepath fill} def +/TriUF {stroke [] 0 setdash vpt 1.12 mul add M + hpt neg vpt -1.62 mul V + hpt 2 mul 0 V + hpt neg vpt 1.62 mul V closepath fill} def +/TriD {stroke [] 0 setdash 2 copy vpt 1.12 mul sub M + hpt neg vpt 1.62 mul V + hpt 2 mul 0 V + hpt neg vpt -1.62 mul V closepath stroke + Pnt} def +/TriDF {stroke [] 0 setdash vpt 1.12 mul sub M + hpt neg vpt 1.62 mul V + hpt 2 mul 0 V + hpt neg vpt -1.62 mul V closepath fill} def +/DiaF {stroke [] 0 setdash vpt add M + hpt neg vpt neg V hpt vpt neg V + hpt vpt V hpt neg vpt V closepath fill} def +/Pent {stroke [] 0 setdash 2 copy gsave + translate 0 hpt M 4 {72 rotate 0 hpt L} repeat + closepath stroke grestore Pnt} def +/PentF {stroke [] 0 setdash gsave + translate 0 hpt M 4 {72 rotate 0 hpt L} repeat + closepath fill grestore} def +/Circle {stroke [] 0 setdash 2 copy + hpt 0 360 arc stroke Pnt} def +/CircleF {stroke [] 0 setdash hpt 0 360 arc fill} def +/C0 {BL [] 0 setdash 2 copy moveto vpt 90 450 arc} bind def +/C1 {BL [] 0 setdash 2 copy moveto + 2 copy vpt 0 90 arc closepath fill + vpt 0 360 arc closepath} bind def +/C2 {BL [] 0 setdash 2 copy moveto + 2 copy vpt 90 180 arc closepath fill + vpt 0 360 arc closepath} bind def +/C3 {BL [] 0 setdash 2 copy moveto + 2 copy vpt 0 180 arc closepath fill + vpt 0 360 arc closepath} bind def +/C4 {BL [] 0 setdash 2 copy moveto + 2 copy vpt 180 270 arc closepath fill + vpt 0 360 arc closepath} bind def +/C5 {BL [] 0 setdash 2 copy moveto + 2 copy vpt 0 90 arc + 2 copy moveto + 2 copy vpt 180 270 arc closepath fill + vpt 0 360 arc} bind def +/C6 {BL [] 0 setdash 2 copy moveto + 2 copy vpt 90 270 arc closepath fill + vpt 0 360 arc closepath} bind def +/C7 {BL [] 0 setdash 2 copy moveto + 2 copy vpt 0 270 arc closepath fill + vpt 0 360 arc closepath} bind def +/C8 {BL [] 0 setdash 2 copy moveto + 2 copy vpt 270 360 arc closepath fill + vpt 0 360 arc closepath} bind def +/C9 {BL [] 0 setdash 2 copy moveto + 2 copy vpt 270 450 arc closepath fill + vpt 0 360 arc closepath} bind def +/C10 {BL [] 0 setdash 2 copy 2 copy moveto vpt 270 360 arc closepath fill + 2 copy moveto + 2 copy vpt 90 180 arc closepath fill + vpt 0 360 arc closepath} bind def +/C11 {BL [] 0 setdash 2 copy moveto + 2 copy vpt 0 180 arc closepath fill + 2 copy moveto + 2 copy vpt 270 360 arc closepath fill + vpt 0 360 arc closepath} bind def +/C12 {BL [] 0 setdash 2 copy moveto + 2 copy vpt 180 360 arc closepath fill + vpt 0 360 arc closepath} bind def +/C13 {BL [] 0 setdash 2 copy moveto + 2 copy vpt 0 90 arc closepath fill + 2 copy moveto + 2 copy vpt 180 360 arc closepath fill + vpt 0 360 arc closepath} bind def +/C14 {BL [] 0 setdash 2 copy moveto + 2 copy vpt 90 360 arc closepath fill + vpt 0 360 arc} bind def +/C15 {BL [] 0 setdash 2 copy vpt 0 360 arc closepath fill + vpt 0 360 arc closepath} bind def +/Rec {newpath 4 2 roll moveto 1 index 0 rlineto 0 exch rlineto + neg 0 rlineto closepath} bind def +/Square {dup Rec} bind def +/Bsquare {vpt sub exch vpt sub exch vpt2 Square} bind def +/S0 {BL [] 0 setdash 2 copy moveto 0 vpt rlineto BL Bsquare} bind def +/S1 {BL [] 0 setdash 2 copy vpt Square fill Bsquare} bind def +/S2 {BL [] 0 setdash 2 copy exch vpt sub exch vpt Square fill Bsquare} bind def +/S3 {BL [] 0 setdash 2 copy exch vpt sub exch vpt2 vpt Rec fill Bsquare} bind def +/S4 {BL [] 0 setdash 2 copy exch vpt sub exch vpt sub vpt Square fill Bsquare} bind def +/S5 {BL [] 0 setdash 2 copy 2 copy vpt Square fill + exch vpt sub exch vpt sub vpt Square fill Bsquare} bind def +/S6 {BL [] 0 setdash 2 copy exch vpt sub exch vpt sub vpt vpt2 Rec fill Bsquare} bind def +/S7 {BL [] 0 setdash 2 copy exch vpt sub exch vpt sub vpt vpt2 Rec fill + 2 copy vpt Square fill Bsquare} bind def +/S8 {BL [] 0 setdash 2 copy vpt sub vpt Square fill Bsquare} bind def +/S9 {BL [] 0 setdash 2 copy vpt sub vpt vpt2 Rec fill Bsquare} bind def +/S10 {BL [] 0 setdash 2 copy vpt sub vpt Square fill 2 copy exch vpt sub exch vpt Square fill + Bsquare} bind def +/S11 {BL [] 0 setdash 2 copy vpt sub vpt Square fill 2 copy exch vpt sub exch vpt2 vpt Rec fill + Bsquare} bind def +/S12 {BL [] 0 setdash 2 copy exch vpt sub exch vpt sub vpt2 vpt Rec fill Bsquare} bind def +/S13 {BL [] 0 setdash 2 copy exch vpt sub exch vpt sub vpt2 vpt Rec fill + 2 copy vpt Square fill Bsquare} bind def +/S14 {BL [] 0 setdash 2 copy exch vpt sub exch vpt sub vpt2 vpt Rec fill + 2 copy exch vpt sub exch vpt Square fill Bsquare} bind def +/S15 {BL [] 0 setdash 2 copy Bsquare fill Bsquare} bind def +/D0 {gsave translate 45 rotate 0 0 S0 stroke grestore} bind def +/D1 {gsave translate 45 rotate 0 0 S1 stroke grestore} bind def +/D2 {gsave translate 45 rotate 0 0 S2 stroke grestore} bind def +/D3 {gsave translate 45 rotate 0 0 S3 stroke grestore} bind def +/D4 {gsave translate 45 rotate 0 0 S4 stroke grestore} bind def +/D5 {gsave translate 45 rotate 0 0 S5 stroke grestore} bind def +/D6 {gsave translate 45 rotate 0 0 S6 stroke grestore} bind def +/D7 {gsave translate 45 rotate 0 0 S7 stroke grestore} bind def +/D8 {gsave translate 45 rotate 0 0 S8 stroke grestore} bind def +/D9 {gsave translate 45 rotate 0 0 S9 stroke grestore} bind def +/D10 {gsave translate 45 rotate 0 0 S10 stroke grestore} bind def +/D11 {gsave translate 45 rotate 0 0 S11 stroke grestore} bind def +/D12 {gsave translate 45 rotate 0 0 S12 stroke grestore} bind def +/D13 {gsave translate 45 rotate 0 0 S13 stroke grestore} bind def +/D14 {gsave translate 45 rotate 0 0 S14 stroke grestore} bind def +/D15 {gsave translate 45 rotate 0 0 S15 stroke grestore} bind def +/DiaE {stroke [] 0 setdash vpt add M + hpt neg vpt neg V hpt vpt neg V + hpt vpt V hpt neg vpt V closepath stroke} def +/BoxE {stroke [] 0 setdash exch hpt sub exch vpt add M + 0 vpt2 neg V hpt2 0 V 0 vpt2 V + hpt2 neg 0 V closepath stroke} def +/TriUE {stroke [] 0 setdash vpt 1.12 mul add M + hpt neg vpt -1.62 mul V + hpt 2 mul 0 V + hpt neg vpt 1.62 mul V closepath stroke} def +/TriDE {stroke [] 0 setdash vpt 1.12 mul sub M + hpt neg vpt 1.62 mul V + hpt 2 mul 0 V + hpt neg vpt -1.62 mul V closepath stroke} def +/PentE {stroke [] 0 setdash gsave + translate 0 hpt M 4 {72 rotate 0 hpt L} repeat + closepath stroke grestore} def +/CircE {stroke [] 0 setdash + hpt 0 360 arc stroke} def +/Opaque {gsave closepath 1 setgray fill grestore 0 setgray closepath} def +/DiaW {stroke [] 0 setdash vpt add M + hpt neg vpt neg V hpt vpt neg V + hpt vpt V hpt neg vpt V Opaque stroke} def +/BoxW {stroke [] 0 setdash exch hpt sub exch vpt add M + 0 vpt2 neg V hpt2 0 V 0 vpt2 V + hpt2 neg 0 V Opaque stroke} def +/TriUW {stroke [] 0 setdash vpt 1.12 mul add M + hpt neg vpt -1.62 mul V + hpt 2 mul 0 V + hpt neg vpt 1.62 mul V Opaque stroke} def +/TriDW {stroke [] 0 setdash vpt 1.12 mul sub M + hpt neg vpt 1.62 mul V + hpt 2 mul 0 V + hpt neg vpt -1.62 mul V Opaque stroke} def +/PentW {stroke [] 0 setdash gsave + translate 0 hpt M 4 {72 rotate 0 hpt L} repeat + Opaque stroke grestore} def +/CircW {stroke [] 0 setdash + hpt 0 360 arc Opaque stroke} def +/BoxFill {gsave Rec 1 setgray fill grestore} def +/Density { + /Fillden exch def + currentrgbcolor + /ColB exch def /ColG exch def /ColR exch def + /ColR ColR Fillden mul Fillden sub 1 add def + /ColG ColG Fillden mul Fillden sub 1 add def + /ColB ColB Fillden mul Fillden sub 1 add def + ColR ColG ColB setrgbcolor} def +/BoxColFill {gsave Rec PolyFill} def +/PolyFill {gsave Density fill grestore grestore} def +/h {rlineto rlineto rlineto gsave closepath fill grestore} bind def +% +% PostScript Level 1 Pattern Fill routine for rectangles +% 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+%%DocumentFonts: Helvetica diff --git a/Tests/images/zero_dpi.jp2 b/Tests/images/zero_dpi.jp2 new file mode 100644 index 00000000000..079271fc6d8 Binary files /dev/null and b/Tests/images/zero_dpi.jp2 differ diff --git a/Tests/import_all.py b/Tests/import_all.py deleted file mode 100644 index c5960d8bbcd..00000000000 --- a/Tests/import_all.py +++ /dev/null @@ -1,16 +0,0 @@ -from __future__ import print_function - -import glob -import os -import traceback - -import sys -sys.path.insert(0, ".") - -for file in glob.glob("PIL/*.py"): - module = os.path.basename(file)[:-3] - try: - exec("from PIL import " + module) - except (ImportError, SyntaxError): - print("===", "failed to import", module) - traceback.print_exc() diff --git a/Tests/make_hash.py b/Tests/make_hash.py deleted file mode 100644 index 6d700addf76..00000000000 --- a/Tests/make_hash.py +++ /dev/null @@ -1,60 +0,0 @@ -# brute-force search for access descriptor hash table - -from __future__ import print_function - -modes = [ - "1", - "L", "LA", "La", - "I", "I;16", "I;16L", "I;16B", "I;32L", "I;32B", - "F", - "P", "PA", - "RGB", "RGBA", "RGBa", "RGBX", - "CMYK", - "YCbCr", - "LAB", "HSV", - ] - - -def hash(s, i): - # djb2 hash: multiply by 33 and xor character - for c in s: - i = (((i << 5) + i) ^ ord(c)) & 0xffffffff - return i - - -def check(size, i0): - h = [None] * size - for m in modes: - i = hash(m, i0) - i = i % size - if h[i]: - return 0 - h[i] = m - return h - -min_start = 0 - -# 1) find the smallest table size with no collisions -for min_size in range(len(modes), 16384): - if check(min_size, 0): - print(len(modes), "modes fit in", min_size, "slots") - break - -# 2) see if we can do better with a different initial value -for i0 in range(65556): - for size in range(1, min_size): - if check(size, i0): - if size < min_size: - print(len(modes), "modes fit in", size, "slots with start", i0) - min_size = size - min_start = i0 - -print() - -# print check(min_size, min_start) - -print("#define ACCESS_TABLE_SIZE", min_size) -print("#define ACCESS_TABLE_HASH", min_start) - -# for m in modes: -# print m, "=>", hash(m, min_start) % min_size diff --git a/Tests/oss-fuzz/build.sh b/Tests/oss-fuzz/build.sh new file mode 100755 index 00000000000..09cc7bc1696 --- /dev/null +++ b/Tests/oss-fuzz/build.sh @@ -0,0 +1,48 @@ +#!/bin/bash -eu +# Copyright 2020 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +################################################################################ + +python3 setup.py build --build-base=/tmp/build install + +# Build fuzzers in $OUT. +for fuzzer in $(find $SRC -name 'fuzz_*.py'); do + fuzzer_basename=$(basename -s .py $fuzzer) + fuzzer_package=${fuzzer_basename}.pkg + pyinstaller \ + --add-binary /usr/local/lib/libjpeg.so.62.3.0:. \ + --add-binary /usr/local/lib/libfreetype.so.6:. \ + --add-binary /usr/local/lib/liblcms2.so.2:. \ + --add-binary /usr/local/lib/libopenjp2.so.7:. \ + --add-binary /usr/local/lib/libpng16.so.16:. \ + --add-binary /usr/local/lib/libtiff.so.5:. \ + --add-binary /usr/local/lib/libwebp.so.7:. \ + --add-binary /usr/local/lib/libwebpdemux.so.2:. \ + --add-binary /usr/local/lib/libwebpmux.so.3:. \ + --add-binary /usr/local/lib/libxcb.so.1:. \ + --distpath $OUT --onefile --name $fuzzer_package $fuzzer + + # Create execution wrapper. + echo "#!/bin/sh +# LLVMFuzzerTestOneInput for fuzzer detection. +this_dir=\$(dirname \"\$0\") +LD_PRELOAD=\$this_dir/sanitizer_with_fuzzer.so \ +ASAN_OPTIONS=\$ASAN_OPTIONS:symbolize=1:external_symbolizer_path=\$this_dir/llvm-symbolizer:detect_leaks=0 \ +\$this_dir/$fuzzer_package \$@" > $OUT/$fuzzer_basename + chmod u+x $OUT/$fuzzer_basename +done + +find Tests/images Tests/icc -print | zip -q $OUT/fuzz_pillow_seed_corpus.zip -@ +find Tests/fonts -print | zip -q $OUT/fuzz_font_seed_corpus.zip -@ diff --git a/Tests/oss-fuzz/build_dictionaries.sh b/Tests/oss-fuzz/build_dictionaries.sh new file mode 100755 index 00000000000..9aae56ca8d1 --- /dev/null +++ b/Tests/oss-fuzz/build_dictionaries.sh @@ -0,0 +1,33 @@ +#!/bin/bash -eu +# Copyright 2020 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +################################################################################ + +# Generate image dictionaries here for each of the fuzzers and put them in the +# $OUT directory, named for the fuzzer + +git clone --depth 1 https://github.com/google/fuzzing +cat fuzzing/dictionaries/bmp.dict \ + fuzzing/dictionaries/dds.dict \ + fuzzing/dictionaries/gif.dict \ + fuzzing/dictionaries/icns.dict \ + fuzzing/dictionaries/jpeg.dict \ + fuzzing/dictionaries/jpeg2000.dict \ + fuzzing/dictionaries/pbm.dict \ + fuzzing/dictionaries/png.dict \ + fuzzing/dictionaries/psd.dict \ + fuzzing/dictionaries/tiff.dict \ + fuzzing/dictionaries/webp.dict \ + > $OUT/fuzz_pillow.dict diff --git a/Tests/oss-fuzz/fuzz_font.py b/Tests/oss-fuzz/fuzz_font.py new file mode 100755 index 00000000000..bc2ba9a7e27 --- /dev/null +++ b/Tests/oss-fuzz/fuzz_font.py @@ -0,0 +1,43 @@ +#!/usr/bin/python3 + +# Copyright 2020 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + + +import atheris + +with atheris.instrument_imports(): + import sys + + import fuzzers + + +def TestOneInput(data): + try: + fuzzers.fuzz_font(data) + except Exception: + # We're catching all exceptions because Pillow's exceptions are + # directly inheriting from Exception. + pass + + +def main(): + fuzzers.enable_decompressionbomb_error() + atheris.Setup(sys.argv, TestOneInput) + atheris.Fuzz() + fuzzers.disable_decompressionbomb_error() + + +if __name__ == "__main__": + main() diff --git a/Tests/oss-fuzz/fuzz_pillow.py b/Tests/oss-fuzz/fuzz_pillow.py new file mode 100644 index 00000000000..545daccb680 --- /dev/null +++ b/Tests/oss-fuzz/fuzz_pillow.py @@ -0,0 +1,43 @@ +#!/usr/bin/python3 + +# Copyright 2020 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + + +import atheris + +with atheris.instrument_imports(): + import sys + + import fuzzers + + +def TestOneInput(data): + try: + fuzzers.fuzz_image(data) + except Exception: + # We're catching all exceptions because Pillow's exceptions are + # directly inheriting from Exception. + pass + + +def main(): + fuzzers.enable_decompressionbomb_error() + atheris.Setup(sys.argv, TestOneInput) + atheris.Fuzz() + fuzzers.disable_decompressionbomb_error() + + +if __name__ == "__main__": + main() diff --git a/Tests/oss-fuzz/fuzzers.py b/Tests/oss-fuzz/fuzzers.py new file mode 100644 index 00000000000..5786764a64d --- /dev/null +++ b/Tests/oss-fuzz/fuzzers.py @@ -0,0 +1,41 @@ +import io +import warnings + +from PIL import Image, ImageDraw, ImageFile, ImageFilter, ImageFont + + +def enable_decompressionbomb_error(): + ImageFile.LOAD_TRUNCATED_IMAGES = True + warnings.filterwarnings("ignore") + warnings.simplefilter("error", Image.DecompressionBombWarning) + + +def disable_decompressionbomb_error(): + ImageFile.LOAD_TRUNCATED_IMAGES = False + warnings.resetwarnings() + + +def fuzz_image(data): + # This will fail on some images in the corpus, as we have many + # invalid images in the test suite. + with Image.open(io.BytesIO(data)) as im: + im.rotate(45) + im.filter(ImageFilter.DETAIL) + im.save(io.BytesIO(), "BMP") + + +def fuzz_font(data): + wrapper = io.BytesIO(data) + try: + font = ImageFont.truetype(wrapper) + except OSError: + # Catch pcf/pilfonts/random garbage here. They return + # different font objects. + return + + font.getsize_multiline("ABC\nAaaa") + font.getmask("test text") + with Image.new(mode="RGBA", size=(200, 200)) as im: + draw = ImageDraw.Draw(im) + draw.multiline_textsize("ABC\nAaaa", font, stroke_width=2) + draw.text((10, 10), "Test Text", font=font, fill="#000") diff --git a/Tests/oss-fuzz/python.supp b/Tests/oss-fuzz/python.supp new file mode 100644 index 00000000000..94cc87db97d --- /dev/null +++ b/Tests/oss-fuzz/python.supp @@ -0,0 +1,16 @@ +{ + + Memcheck:Cond + ... + fun:encode_current_locale +} + + +{ + + Memcheck:Cond + fun:inflate + fun:ZIPDecode + fun:_TIFFReadEncodedTileAndAllocBuffer + ... +} diff --git a/Tests/oss-fuzz/test_fuzzers.py b/Tests/oss-fuzz/test_fuzzers.py new file mode 100644 index 00000000000..629e9ac00d4 --- /dev/null +++ b/Tests/oss-fuzz/test_fuzzers.py @@ -0,0 +1,62 @@ +import subprocess +import sys + +import fuzzers +import packaging +import pytest + +from PIL import Image, features + +if sys.platform.startswith("win32"): + pytest.skip("Fuzzer is linux only", allow_module_level=True) +if features.check("libjpeg_turbo"): + version = packaging.version.parse(features.version("libjpeg_turbo")) + if version.major == 2 and version.minor == 0: + pytestmark = pytest.mark.valgrind_known_error( + reason="Known failing with libjpeg_turbo 2.0" + ) + + +@pytest.mark.parametrize( + "path", + subprocess.check_output("find Tests/images -type f", shell=True).split(b"\n"), +) +def test_fuzz_images(path): + fuzzers.enable_decompressionbomb_error() + try: + with open(path, "rb") as f: + fuzzers.fuzz_image(f.read()) + assert True + except ( + OSError, + SyntaxError, + MemoryError, + ValueError, + NotImplementedError, + OverflowError, + ): + # Known exceptions that are through from Pillow + assert True + except ( + Image.DecompressionBombError, + Image.DecompressionBombWarning, + Image.UnidentifiedImageError, + ): + # Known Image.* exceptions + assert True + finally: + fuzzers.disable_decompressionbomb_error() + + +@pytest.mark.parametrize( + "path", subprocess.check_output("find Tests/fonts -type f", shell=True).split(b"\n") +) +def test_fuzz_fonts(path): + if not path: + return + with open(path, "rb") as f: + try: + fuzzers.fuzz_font(f.read()) + except (Image.DecompressionBombError, Image.DecompressionBombWarning): + pass + assert True diff --git a/Tests/test_000_sanity.py b/Tests/test_000_sanity.py index 67aff8ecc87..59fbac527ed 100644 --- a/Tests/test_000_sanity.py +++ b/Tests/test_000_sanity.py @@ -1,30 +1,19 @@ -from helper import unittest, PillowTestCase - import PIL import PIL.Image -class TestSanity(PillowTestCase): - - def test_sanity(self): - - # Make sure we have the binary extension - im = PIL.Image.core.new("L", (100, 100)) - - self.assertEqual(PIL.Image.VERSION[:3], '1.1') - - # Create an image and do stuff with it. - im = PIL.Image.new("1", (100, 100)) - self.assertEqual((im.mode, im.size), ('1', (100, 100))) - self.assertEqual(len(im.tobytes()), 1300) - - # Create images in all remaining major modes. - im = PIL.Image.new("L", (100, 100)) - im = PIL.Image.new("P", (100, 100)) - im = PIL.Image.new("RGB", (100, 100)) - im = PIL.Image.new("I", (100, 100)) - im = PIL.Image.new("F", (100, 100)) +def test_sanity(): + # Make sure we have the binary extension + PIL.Image.core.new("L", (100, 100)) + # Create an image and do stuff with it. + im = PIL.Image.new("1", (100, 100)) + assert (im.mode, im.size) == ("1", (100, 100)) + assert len(im.tobytes()) == 1300 -if __name__ == '__main__': - unittest.main() + # Create images in all remaining major modes. + PIL.Image.new("L", (100, 100)) + PIL.Image.new("P", (100, 100)) + PIL.Image.new("RGB", (100, 100)) + PIL.Image.new("I", (100, 100)) + PIL.Image.new("F", (100, 100)) diff --git a/Tests/test_binary.py b/Tests/test_binary.py index 2fac9b3d591..4882e65e655 100644 --- a/Tests/test_binary.py +++ b/Tests/test_binary.py @@ -1,27 +1,22 @@ -from helper import unittest, PillowTestCase - from PIL import _binary -class TestBinary(PillowTestCase): +def test_standard(): + assert _binary.i8(b"*") == 42 + assert _binary.o8(42) == b"*" - def test_standard(self): - self.assertEqual(_binary.i8(b'*'), 42) - self.assertEqual(_binary.o8(42), b'*') - def test_little_endian(self): - self.assertEqual(_binary.i16le(b'\xff\xff\x00\x00'), 65535) - self.assertEqual(_binary.i32le(b'\xff\xff\x00\x00'), 65535) +def test_little_endian(): + assert _binary.i16le(b"\xff\xff\x00\x00") == 65535 + assert _binary.i32le(b"\xff\xff\x00\x00") == 65535 - self.assertEqual(_binary.o16le(65535), b'\xff\xff') - self.assertEqual(_binary.o32le(65535), b'\xff\xff\x00\x00') + assert _binary.o16le(65535) == b"\xff\xff" + assert _binary.o32le(65535) == b"\xff\xff\x00\x00" - def test_big_endian(self): - self.assertEqual(_binary.i16be(b'\x00\x00\xff\xff'), 0) - self.assertEqual(_binary.i32be(b'\x00\x00\xff\xff'), 65535) - self.assertEqual(_binary.o16be(65535), b'\xff\xff') - self.assertEqual(_binary.o32be(65535), b'\x00\x00\xff\xff') +def test_big_endian(): + assert _binary.i16be(b"\x00\x00\xff\xff") == 0 + assert _binary.i32be(b"\x00\x00\xff\xff") == 65535 -if __name__ == '__main__': - unittest.main() + assert _binary.o16be(65535) == b"\xff\xff" + assert _binary.o32be(65535) == b"\x00\x00\xff\xff" diff --git a/Tests/test_bmp_reference.py b/Tests/test_bmp_reference.py index b6f0b4564be..99e16391adc 100644 --- a/Tests/test_bmp_reference.py +++ b/Tests/test_bmp_reference.py @@ -1,92 +1,111 @@ -from helper import unittest, PillowTestCase +import os + +import pytest from PIL import Image -import os -base = os.path.join('Tests', 'images', 'bmp') +from .helper import assert_image_similar + +base = os.path.join("Tests", "images", "bmp") + +def get_files(d, ext=".bmp"): + return [ + os.path.join(base, d, f) for f in os.listdir(os.path.join(base, d)) if ext in f + ] -class TestBmpReference(PillowTestCase): - def get_files(self, d, ext='.bmp'): - return [os.path.join(base, d, f) for f - in os.listdir(os.path.join(base, d)) if ext in f] +def test_bad(): + """These shouldn't crash/dos, but they shouldn't return anything + either""" + for f in get_files("b"): - def test_bad(self): - """ These shouldn't crash/dos, but they shouldn't return anything - either """ - for f in self.get_files('b'): + with pytest.warns(None) as record: try: - im = Image.open(f) - im.load() + with Image.open(f) as im: + im.load() except Exception: # as msg: pass - # print ("Bad Image %s: %s" %(f,msg)) - def test_questionable(self): - """ These shouldn't crash/dos, but it's not well defined that these - are in spec """ - for f in self.get_files('q'): - try: - im = Image.open(f) + # Assert that there is no unclosed file warning + assert not record + + +def test_questionable(): + """These shouldn't crash/dos, but it's not well defined that these + are in spec""" + supported = [ + "pal8os2v2.bmp", + "rgb24prof.bmp", + "pal1p1.bmp", + "pal8offs.bmp", + "rgb24lprof.bmp", + "rgb32fakealpha.bmp", + "rgb24largepal.bmp", + "pal8os2sp.bmp", + "rgb32bf-xbgr.bmp", + ] + for f in get_files("q"): + try: + with Image.open(f) as im: im.load() - except Exception: # as msg: - pass - # print ("Bad Image %s: %s" %(f,msg)) - - def test_good(self): - """ These should all work. There's a set of target files in the - html directory that we can compare against. """ - - # Target files, if they're not just replacing the extension - file_map = {'pal1wb.bmp': 'pal1.png', - 'pal4rle.bmp': 'pal4.png', - 'pal8-0.bmp': 'pal8.png', - 'pal8rle.bmp': 'pal8.png', - 'pal8topdown.bmp': 'pal8.png', - 'pal8nonsquare.bmp': 'pal8nonsquare-v.png', - 'pal8os2.bmp': 'pal8.png', - 'pal8os2sp.bmp': 'pal8.png', - 'pal8os2v2.bmp': 'pal8.png', - 'pal8os2v2-16.bmp': 'pal8.png', - 'pal8v4.bmp': 'pal8.png', - 'pal8v5.bmp': 'pal8.png', - 'rgb16-565pal.bmp': 'rgb16-565.png', - 'rgb24pal.bmp': 'rgb24.png', - 'rgb32.bmp': 'rgb24.png', - 'rgb32bf.bmp': 'rgb24.png' - } - - def get_compare(f): - name = os.path.split(f)[1] - if name in file_map: - return os.path.join(base, 'html', file_map[name]) - name = os.path.splitext(name)[0] - return os.path.join(base, 'html', "%s.png" % name) - - for f in self.get_files('g'): - try: - im = Image.open(f) + if os.path.basename(f) not in supported: + print(f"Please add {f} to the partially supported bmp specs.") + except Exception: # as msg: + if os.path.basename(f) in supported: + raise + + +def test_good(): + """These should all work. There's a set of target files in the + html directory that we can compare against.""" + + # Target files, if they're not just replacing the extension + file_map = { + "pal1wb.bmp": "pal1.png", + "pal4rle.bmp": "pal4.png", + "pal8-0.bmp": "pal8.png", + "pal8rle.bmp": "pal8.png", + "pal8topdown.bmp": "pal8.png", + "pal8nonsquare.bmp": "pal8nonsquare-v.png", + "pal8os2.bmp": "pal8.png", + "pal8os2sp.bmp": "pal8.png", + "pal8os2v2.bmp": "pal8.png", + "pal8os2v2-16.bmp": "pal8.png", + "pal8v4.bmp": "pal8.png", + "pal8v5.bmp": "pal8.png", + "rgb16-565pal.bmp": "rgb16-565.png", + "rgb24pal.bmp": "rgb24.png", + "rgb32.bmp": "rgb24.png", + "rgb32bf.bmp": "rgb24.png", + } + + def get_compare(f): + name = os.path.split(f)[1] + if name in file_map: + return os.path.join(base, "html", file_map[name]) + name = os.path.splitext(name)[0] + return os.path.join(base, "html", f"{name}.png") + + for f in get_files("g"): + try: + with Image.open(f) as im: im.load() - compare = Image.open(get_compare(f)) - compare.load() - if im.mode == 'P': - # assert image similar doesn't really work - # with paletized image, since the palette might - # be differently ordered for an equivalent image. - im = im.convert('RGBA') - compare = im.convert('RGBA') - self.assert_image_similar(im, compare, 5) - - except Exception as msg: - # there are three here that are unsupported: - unsupported = (os.path.join(base, 'g', 'rgb32bf.bmp'), - os.path.join(base, 'g', 'pal8rle.bmp'), - os.path.join(base, 'g', 'pal4rle.bmp')) - if f not in unsupported: - self.assertTrue( - False, "Unsupported Image %s: %s" % (f, msg)) - - -if __name__ == '__main__': - unittest.main() + with Image.open(get_compare(f)) as compare: + compare.load() + if im.mode == "P": + # assert image similar doesn't really work + # with paletized image, since the palette might + # be differently ordered for an equivalent image. + im = im.convert("RGBA") + compare = im.convert("RGBA") + assert_image_similar(im, compare, 5) + + except Exception as msg: + # there are three here that are unsupported: + unsupported = ( + os.path.join(base, "g", "rgb32bf.bmp"), + os.path.join(base, "g", "pal8rle.bmp"), + os.path.join(base, "g", "pal4rle.bmp"), + ) + assert f in unsupported, f"Unsupported Image {f}: {msg}" diff --git a/Tests/test_box_blur.py b/Tests/test_box_blur.py index d99847740af..94f504e0b55 100644 --- a/Tests/test_box_blur.py +++ b/Tests/test_box_blur.py @@ -1,9 +1,9 @@ -from helper import unittest, PillowTestCase - -from PIL import Image, ImageOps +import pytest +from PIL import Image, ImageFilter sample = Image.new("L", (7, 5)) +# fmt: off sample.putdata(sum([ [210, 50, 20, 10, 220, 230, 80], [190, 210, 20, 180, 170, 40, 110], @@ -11,225 +11,254 @@ [220, 40, 230, 80, 130, 250, 40], [250, 0, 80, 30, 60, 20, 110], ], [])) +# fmt: on + + +def test_imageops_box_blur(): + i = sample.filter(ImageFilter.BoxBlur(1)) + assert i.mode == sample.mode + assert i.size == sample.size + assert isinstance(i, Image.Image) + + +def box_blur(image, radius=1, n=1): + return image._new(image.im.box_blur(radius, n)) + + +def assertImage(im, data, delta=0): + it = iter(im.getdata()) + for data_row in data: + im_row = [next(it) for _ in range(im.size[0])] + if any(abs(data_v - im_v) > delta for data_v, im_v in zip(data_row, im_row)): + assert im_row == data_row + with pytest.raises(StopIteration): + next(it) + + +def assertBlur(im, radius, data, passes=1, delta=0): + # check grayscale image + assertImage(box_blur(im, radius, passes), data, delta) + rgba = Image.merge("RGBA", (im, im, im, im)) + for band in box_blur(rgba, radius, passes).split(): + assertImage(band, data, delta) + + +def test_color_modes(): + with pytest.raises(ValueError): + box_blur(sample.convert("1")) + with pytest.raises(ValueError): + box_blur(sample.convert("P")) + box_blur(sample.convert("L")) + box_blur(sample.convert("LA")) + box_blur(sample.convert("LA").convert("La")) + with pytest.raises(ValueError): + box_blur(sample.convert("I")) + with pytest.raises(ValueError): + box_blur(sample.convert("F")) + box_blur(sample.convert("RGB")) + box_blur(sample.convert("RGBA")) + box_blur(sample.convert("RGBA").convert("RGBa")) + box_blur(sample.convert("CMYK")) + with pytest.raises(ValueError): + box_blur(sample.convert("YCbCr")) + + +def test_radius_0(): + assertBlur( + sample, + 0, + [ + # fmt: off + [210, 50, 20, 10, 220, 230, 80], + [190, 210, 20, 180, 170, 40, 110], + [120, 210, 250, 60, 220, 0, 220], + [220, 40, 230, 80, 130, 250, 40], + [250, 0, 80, 30, 60, 20, 110], + # fmt: on + ], + ) + + +def test_radius_0_02(): + assertBlur( + sample, + 0.02, + [ + # fmt: off + [206, 55, 20, 17, 215, 223, 83], + [189, 203, 31, 171, 169, 46, 110], + [125, 206, 241, 69, 210, 13, 210], + [215, 49, 221, 82, 131, 235, 48], + [244, 7, 80, 32, 60, 27, 107], + # fmt: on + ], + delta=2, + ) + + +def test_radius_0_05(): + assertBlur( + sample, + 0.05, + [ + # fmt: off + [202, 62, 22, 27, 209, 215, 88], + [188, 194, 44, 161, 168, 56, 111], + [131, 201, 229, 81, 198, 31, 198], + [209, 62, 209, 86, 133, 216, 59], + [237, 17, 80, 36, 60, 35, 103], + # fmt: on + ], + delta=2, + ) + + +def test_radius_0_1(): + assertBlur( + sample, + 0.1, + [ + # fmt: off + [196, 72, 24, 40, 200, 203, 93], + [187, 183, 62, 148, 166, 68, 111], + [139, 193, 213, 96, 182, 54, 182], + [201, 78, 193, 91, 133, 191, 73], + [227, 31, 80, 42, 61, 47, 99], + # fmt: on + ], + delta=1, + ) + + +def test_radius_0_5(): + assertBlur( + sample, + 0.5, + [ + # fmt: off + [176, 101, 46, 83, 163, 165, 111], + [176, 149, 108, 122, 144, 120, 117], + [164, 171, 159, 141, 134, 119, 129], + [170, 136, 133, 114, 116, 124, 109], + [184, 95, 72, 70, 69, 81, 89], + # fmt: on + ], + delta=1, + ) + + +def test_radius_1(): + assertBlur( + sample, + 1, + [ + # fmt: off + [170, 109, 63, 97, 146, 153, 116], + [168, 142, 112, 128, 126, 143, 121], + [169, 166, 142, 149, 126, 131, 114], + [159, 156, 109, 127, 94, 117, 112], + [164, 128, 63, 87, 76, 89, 90], + # fmt: on + ], + delta=1, + ) + + +def test_radius_1_5(): + assertBlur( + sample, + 1.5, + [ + # fmt: off + [155, 120, 105, 112, 124, 137, 130], + [160, 136, 124, 125, 127, 134, 130], + [166, 147, 130, 125, 120, 121, 119], + [168, 145, 119, 109, 103, 105, 110], + [168, 134, 96, 85, 85, 89, 97], + # fmt: on + ], + delta=1, + ) + + +def test_radius_bigger_then_half(): + assertBlur( + sample, + 3, + [ + # fmt: off + [144, 145, 142, 128, 114, 115, 117], + [148, 145, 137, 122, 109, 111, 112], + [152, 145, 131, 117, 103, 107, 108], + [156, 144, 126, 111, 97, 102, 103], + [160, 144, 121, 106, 92, 98, 99], + # fmt: on + ], + delta=1, + ) + + +def test_radius_bigger_then_width(): + assertBlur( + sample, + 10, + [ + [158, 153, 147, 141, 135, 129, 123], + [159, 153, 147, 141, 136, 130, 124], + [159, 154, 148, 142, 136, 130, 124], + [160, 154, 148, 142, 137, 131, 125], + [160, 155, 149, 143, 137, 131, 125], + ], + delta=0, + ) + + +def test_extreme_large_radius(): + assertBlur( + sample, + 600, + [ + [162, 162, 162, 162, 162, 162, 162], + [162, 162, 162, 162, 162, 162, 162], + [162, 162, 162, 162, 162, 162, 162], + [162, 162, 162, 162, 162, 162, 162], + [162, 162, 162, 162, 162, 162, 162], + ], + delta=1, + ) + + +def test_two_passes(): + assertBlur( + sample, + 1, + [ + # fmt: off + [153, 123, 102, 109, 132, 135, 129], + [159, 138, 123, 121, 133, 131, 126], + [162, 147, 136, 124, 127, 121, 121], + [159, 140, 125, 108, 111, 106, 108], + [154, 126, 105, 87, 94, 93, 97], + # fmt: on + ], + passes=2, + delta=1, + ) -class ImageMock(object): - def __init__(self): - self.im = self - - def load(self): - pass - - def _new(self, im): - return im - - def box_blur(self, radius, n): - return radius, n - - -class TestBoxBlurApi(PillowTestCase): - - def test_imageops_box_blur(self): - i = ImageOps.box_blur(sample, 1) - self.assertEqual(i.mode, sample.mode) - self.assertEqual(i.size, sample.size) - self.assertIsInstance(i, Image.Image) - - -class TestBoxBlur(PillowTestCase): - - def box_blur(self, image, radius=1, n=1): - return image._new(image.im.box_blur(radius, n)) - - def assertImage(self, im, data, delta=0): - it = iter(im.getdata()) - for data_row in data: - im_row = [next(it) for _ in range(im.size[0])] - if any( - abs(data_v - im_v) > delta - for data_v, im_v in zip(data_row, im_row) - ): - self.assertEqual(im_row, data_row) - self.assertRaises(StopIteration, next, it) - - def assertBlur(self, im, radius, data, passes=1, delta=0): - # check grayscale image - self.assertImage(self.box_blur(im, radius, passes), data, delta) - rgba = Image.merge('RGBA', (im, im, im, im)) - for band in self.box_blur(rgba, radius, passes).split(): - self.assertImage(band, data, delta) - - def test_color_modes(self): - self.assertRaises(ValueError, self.box_blur, sample.convert("1")) - self.assertRaises(ValueError, self.box_blur, sample.convert("P")) - self.box_blur(sample.convert("L")) - self.box_blur(sample.convert("LA")) - self.box_blur(sample.convert("LA").convert("La")) - self.assertRaises(ValueError, self.box_blur, sample.convert("I")) - self.assertRaises(ValueError, self.box_blur, sample.convert("F")) - self.box_blur(sample.convert("RGB")) - self.box_blur(sample.convert("RGBA")) - self.box_blur(sample.convert("RGBA").convert("RGBa")) - self.box_blur(sample.convert("CMYK")) - self.assertRaises(ValueError, self.box_blur, sample.convert("YCbCr")) - - def test_radius_0(self): - self.assertBlur( - sample, 0, - [ - [210, 50, 20, 10, 220, 230, 80], - [190, 210, 20, 180, 170, 40, 110], - [120, 210, 250, 60, 220, 0, 220], - [220, 40, 230, 80, 130, 250, 40], - [250, 0, 80, 30, 60, 20, 110], - ] - ) - - def test_radius_0_02(self): - self.assertBlur( - sample, 0.02, - [ - [206, 55, 20, 17, 215, 223, 83], - [189, 203, 31, 171, 169, 46, 110], - [125, 206, 241, 69, 210, 13, 210], - [215, 49, 221, 82, 131, 235, 48], - [244, 7, 80, 32, 60, 27, 107], - ], - delta=2, - ) - - def test_radius_0_05(self): - self.assertBlur( - sample, 0.05, - [ - [202, 62, 22, 27, 209, 215, 88], - [188, 194, 44, 161, 168, 56, 111], - [131, 201, 229, 81, 198, 31, 198], - [209, 62, 209, 86, 133, 216, 59], - [237, 17, 80, 36, 60, 35, 103], - ], - delta=2, - ) - - def test_radius_0_1(self): - self.assertBlur( - sample, 0.1, - [ - [196, 72, 24, 40, 200, 203, 93], - [187, 183, 62, 148, 166, 68, 111], - [139, 193, 213, 96, 182, 54, 182], - [201, 78, 193, 91, 133, 191, 73], - [227, 31, 80, 42, 61, 47, 99], - ], - delta=1, - ) - - def test_radius_0_5(self): - self.assertBlur( - sample, 0.5, - [ - [176, 101, 46, 83, 163, 165, 111], - [176, 149, 108, 122, 144, 120, 117], - [164, 171, 159, 141, 134, 119, 129], - [170, 136, 133, 114, 116, 124, 109], - [184, 95, 72, 70, 69, 81, 89], - ], - delta=1, - ) - - def test_radius_1(self): - self.assertBlur( - sample, 1, - [ - [170, 109, 63, 97, 146, 153, 116], - [168, 142, 112, 128, 126, 143, 121], - [169, 166, 142, 149, 126, 131, 114], - [159, 156, 109, 127, 94, 117, 112], - [164, 128, 63, 87, 76, 89, 90], - ], - delta=1, - ) - - def test_radius_1_5(self): - self.assertBlur( - sample, 1.5, - [ - [155, 120, 105, 112, 124, 137, 130], - [160, 136, 124, 125, 127, 134, 130], - [166, 147, 130, 125, 120, 121, 119], - [168, 145, 119, 109, 103, 105, 110], - [168, 134, 96, 85, 85, 89, 97], - ], - delta=1, - ) - - def test_radius_bigger_then_half(self): - self.assertBlur( - sample, 3, - [ - [144, 145, 142, 128, 114, 115, 117], - [148, 145, 137, 122, 109, 111, 112], - [152, 145, 131, 117, 103, 107, 108], - [156, 144, 126, 111, 97, 102, 103], - [160, 144, 121, 106, 92, 98, 99], - ], - delta=1, - ) - - def test_radius_bigger_then_width(self): - self.assertBlur( - sample, 10, - [ - [158, 153, 147, 141, 135, 129, 123], - [159, 153, 147, 141, 136, 130, 124], - [159, 154, 148, 142, 136, 130, 124], - [160, 154, 148, 142, 137, 131, 125], - [160, 155, 149, 143, 137, 131, 125], - ], - delta=0, - ) - - def test_exteme_large_radius(self): - self.assertBlur( - sample, 600, - [ - [162, 162, 162, 162, 162, 162, 162], - [162, 162, 162, 162, 162, 162, 162], - [162, 162, 162, 162, 162, 162, 162], - [162, 162, 162, 162, 162, 162, 162], - [162, 162, 162, 162, 162, 162, 162], - ], - delta=1, - ) - - def test_two_passes(self): - self.assertBlur( - sample, 1, - [ - [153, 123, 102, 109, 132, 135, 129], - [159, 138, 123, 121, 133, 131, 126], - [162, 147, 136, 124, 127, 121, 121], - [159, 140, 125, 108, 111, 106, 108], - [154, 126, 105, 87, 94, 93, 97], - ], - passes=2, - delta=1, - ) - - def test_three_passes(self): - self.assertBlur( - sample, 1, - [ - [146, 131, 116, 118, 126, 131, 130], - [151, 138, 125, 123, 126, 128, 127], - [154, 143, 129, 123, 120, 120, 119], - [152, 139, 122, 113, 108, 108, 108], - [148, 132, 112, 102, 97, 99, 100], - ], - passes=3, - delta=1, - ) - - -if __name__ == '__main__': - unittest.main() +def test_three_passes(): + assertBlur( + sample, + 1, + [ + # fmt: off + [146, 131, 116, 118, 126, 131, 130], + [151, 138, 125, 123, 126, 128, 127], + [154, 143, 129, 123, 120, 120, 119], + [152, 139, 122, 113, 108, 108, 108], + [148, 132, 112, 102, 97, 99, 100], + # fmt: on + ], + passes=3, + delta=1, + ) diff --git a/Tests/test_color_lut.py b/Tests/test_color_lut.py new file mode 100644 index 00000000000..99776ce58cf --- /dev/null +++ b/Tests/test_color_lut.py @@ -0,0 +1,561 @@ +from array import array + +import pytest + +from PIL import Image, ImageFilter + +from .helper import assert_image_equal + +try: + import numpy +except ImportError: + numpy = None + + +class TestColorLut3DCoreAPI: + def generate_identity_table(self, channels, size): + if isinstance(size, tuple): + size1D, size2D, size3D = size + else: + size1D, size2D, size3D = (size, size, size) + + table = [ + [ + r / (size1D - 1) if size1D != 1 else 0, + g / (size2D - 1) if size2D != 1 else 0, + b / (size3D - 1) if size3D != 1 else 0, + r / (size1D - 1) if size1D != 1 else 0, + g / (size2D - 1) if size2D != 1 else 0, + ][:channels] + for b in range(size3D) + for g in range(size2D) + for r in range(size1D) + ] + return ( + channels, + size1D, + size2D, + size3D, + [item for sublist in table for item in sublist], + ) + + def test_wrong_args(self): + im = Image.new("RGB", (10, 10), 0) + + with pytest.raises(ValueError, match="filter"): + im.im.color_lut_3d("RGB", Image.CUBIC, *self.generate_identity_table(3, 3)) + + with pytest.raises(ValueError, match="image mode"): + im.im.color_lut_3d( + "wrong", Image.LINEAR, *self.generate_identity_table(3, 3) + ) + + with pytest.raises(ValueError, match="table_channels"): + im.im.color_lut_3d("RGB", Image.LINEAR, *self.generate_identity_table(5, 3)) + + with pytest.raises(ValueError, match="table_channels"): + im.im.color_lut_3d("RGB", Image.LINEAR, *self.generate_identity_table(1, 3)) + + with pytest.raises(ValueError, match="table_channels"): + im.im.color_lut_3d("RGB", Image.LINEAR, *self.generate_identity_table(2, 3)) + + with pytest.raises(ValueError, match="Table size"): + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (1, 3, 3)) + ) + + with pytest.raises(ValueError, match="Table size"): + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (66, 3, 3)) + ) + + with pytest.raises(ValueError, match=r"size1D \* size2D \* size3D"): + im.im.color_lut_3d("RGB", Image.LINEAR, 3, 2, 2, 2, [0, 0, 0] * 7) + + with pytest.raises(ValueError, match=r"size1D \* size2D \* size3D"): + im.im.color_lut_3d("RGB", Image.LINEAR, 3, 2, 2, 2, [0, 0, 0] * 9) + + with pytest.raises(TypeError): + im.im.color_lut_3d("RGB", Image.LINEAR, 3, 2, 2, 2, [0, 0, "0"] * 8) + + with pytest.raises(TypeError): + im.im.color_lut_3d("RGB", Image.LINEAR, 3, 2, 2, 2, 16) + + def test_correct_args(self): + im = Image.new("RGB", (10, 10), 0) + + im.im.color_lut_3d("RGB", Image.LINEAR, *self.generate_identity_table(3, 3)) + + im.im.color_lut_3d("CMYK", Image.LINEAR, *self.generate_identity_table(4, 3)) + + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (2, 3, 3)) + ) + + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (65, 3, 3)) + ) + + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (3, 65, 3)) + ) + + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (3, 3, 65)) + ) + + def test_wrong_mode(self): + with pytest.raises(ValueError, match="wrong mode"): + im = Image.new("L", (10, 10), 0) + im.im.color_lut_3d("RGB", Image.LINEAR, *self.generate_identity_table(3, 3)) + + with pytest.raises(ValueError, match="wrong mode"): + im = Image.new("RGB", (10, 10), 0) + im.im.color_lut_3d("L", Image.LINEAR, *self.generate_identity_table(3, 3)) + + with pytest.raises(ValueError, match="wrong mode"): + im = Image.new("L", (10, 10), 0) + im.im.color_lut_3d("L", Image.LINEAR, *self.generate_identity_table(3, 3)) + + with pytest.raises(ValueError, match="wrong mode"): + im = Image.new("RGB", (10, 10), 0) + im.im.color_lut_3d( + "RGBA", Image.LINEAR, *self.generate_identity_table(3, 3) + ) + + with pytest.raises(ValueError, match="wrong mode"): + im = Image.new("RGB", (10, 10), 0) + im.im.color_lut_3d("RGB", Image.LINEAR, *self.generate_identity_table(4, 3)) + + def test_correct_mode(self): + im = Image.new("RGBA", (10, 10), 0) + im.im.color_lut_3d("RGBA", Image.LINEAR, *self.generate_identity_table(3, 3)) + + im = Image.new("RGBA", (10, 10), 0) + im.im.color_lut_3d("RGBA", Image.LINEAR, *self.generate_identity_table(4, 3)) + + im = Image.new("RGB", (10, 10), 0) + im.im.color_lut_3d("HSV", Image.LINEAR, *self.generate_identity_table(3, 3)) + + im = Image.new("RGB", (10, 10), 0) + im.im.color_lut_3d("RGBA", Image.LINEAR, *self.generate_identity_table(4, 3)) + + def test_identities(self): + g = Image.linear_gradient("L") + im = Image.merge( + "RGB", [g, g.transpose(Image.ROTATE_90), g.transpose(Image.ROTATE_180)] + ) + + # Fast test with small cubes + for size in [2, 3, 5, 7, 11, 16, 17]: + assert_image_equal( + im, + im._new( + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, size) + ) + ), + ) + + # Not so fast + assert_image_equal( + im, + im._new( + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (2, 2, 65)) + ) + ), + ) + + def test_identities_4_channels(self): + g = Image.linear_gradient("L") + im = Image.merge( + "RGB", [g, g.transpose(Image.ROTATE_90), g.transpose(Image.ROTATE_180)] + ) + + # Red channel copied to alpha + assert_image_equal( + Image.merge("RGBA", (im.split() * 2)[:4]), + im._new( + im.im.color_lut_3d( + "RGBA", Image.LINEAR, *self.generate_identity_table(4, 17) + ) + ), + ) + + def test_copy_alpha_channel(self): + g = Image.linear_gradient("L") + im = Image.merge( + "RGBA", + [ + g, + g.transpose(Image.ROTATE_90), + g.transpose(Image.ROTATE_180), + g.transpose(Image.ROTATE_270), + ], + ) + + assert_image_equal( + im, + im._new( + im.im.color_lut_3d( + "RGBA", Image.LINEAR, *self.generate_identity_table(3, 17) + ) + ), + ) + + def test_channels_order(self): + g = Image.linear_gradient("L") + im = Image.merge( + "RGB", [g, g.transpose(Image.ROTATE_90), g.transpose(Image.ROTATE_180)] + ) + + # Reverse channels by splitting and using table + # fmt: off + assert_image_equal( + Image.merge('RGB', im.split()[::-1]), + im._new(im.im.color_lut_3d('RGB', Image.LINEAR, + 3, 2, 2, 2, [ + 0, 0, 0, 0, 0, 1, + 0, 1, 0, 0, 1, 1, + + 1, 0, 0, 1, 0, 1, + 1, 1, 0, 1, 1, 1, + ]))) + # fmt: on + + def test_overflow(self): + g = Image.linear_gradient("L") + im = Image.merge( + "RGB", [g, g.transpose(Image.ROTATE_90), g.transpose(Image.ROTATE_180)] + ) + + # fmt: off + transformed = im._new(im.im.color_lut_3d('RGB', Image.LINEAR, + 3, 2, 2, 2, + [ + -1, -1, -1, 2, -1, -1, + -1, 2, -1, 2, 2, -1, + + -1, -1, 2, 2, -1, 2, + -1, 2, 2, 2, 2, 2, + ])).load() + # fmt: on + assert transformed[0, 0] == (0, 0, 255) + assert transformed[50, 50] == (0, 0, 255) + assert transformed[255, 0] == (0, 255, 255) + assert transformed[205, 50] == (0, 255, 255) + assert transformed[0, 255] == (255, 0, 0) + assert transformed[50, 205] == (255, 0, 0) + assert transformed[255, 255] == (255, 255, 0) + assert transformed[205, 205] == (255, 255, 0) + + # fmt: off + transformed = im._new(im.im.color_lut_3d('RGB', Image.LINEAR, + 3, 2, 2, 2, + [ + -3, -3, -3, 5, -3, -3, + -3, 5, -3, 5, 5, -3, + + -3, -3, 5, 5, -3, 5, + -3, 5, 5, 5, 5, 5, + ])).load() + # fmt: on + assert transformed[0, 0] == (0, 0, 255) + assert transformed[50, 50] == (0, 0, 255) + assert transformed[255, 0] == (0, 255, 255) + assert transformed[205, 50] == (0, 255, 255) + assert transformed[0, 255] == (255, 0, 0) + assert transformed[50, 205] == (255, 0, 0) + assert transformed[255, 255] == (255, 255, 0) + assert transformed[205, 205] == (255, 255, 0) + + +class TestColorLut3DFilter: + def test_wrong_args(self): + with pytest.raises(ValueError, match="should be either an integer"): + ImageFilter.Color3DLUT("small", [1]) + + with pytest.raises(ValueError, match="should be either an integer"): + ImageFilter.Color3DLUT((11, 11), [1]) + + with pytest.raises(ValueError, match=r"in \[2, 65\] range"): + ImageFilter.Color3DLUT((11, 11, 1), [1]) + + with pytest.raises(ValueError, match=r"in \[2, 65\] range"): + ImageFilter.Color3DLUT((11, 11, 66), [1]) + + with pytest.raises(ValueError, match="table should have .+ items"): + ImageFilter.Color3DLUT((3, 3, 3), [1, 1, 1]) + + with pytest.raises(ValueError, match="table should have .+ items"): + ImageFilter.Color3DLUT((3, 3, 3), [[1, 1, 1]] * 2) + + with pytest.raises(ValueError, match="should have a length of 4"): + ImageFilter.Color3DLUT((3, 3, 3), [[1, 1, 1]] * 27, channels=4) + + with pytest.raises(ValueError, match="should have a length of 3"): + ImageFilter.Color3DLUT((2, 2, 2), [[1, 1]] * 8) + + with pytest.raises(ValueError, match="Only 3 or 4 output"): + ImageFilter.Color3DLUT((2, 2, 2), [[1, 1]] * 8, channels=2) + + def test_convert_table(self): + lut = ImageFilter.Color3DLUT(2, [0, 1, 2] * 8) + assert tuple(lut.size) == (2, 2, 2) + assert lut.name == "Color 3D LUT" + + # fmt: off + lut = ImageFilter.Color3DLUT((2, 2, 2), [ + (0, 1, 2), (3, 4, 5), (6, 7, 8), (9, 10, 11), + (12, 13, 14), (15, 16, 17), (18, 19, 20), (21, 22, 23)]) + # fmt: on + assert tuple(lut.size) == (2, 2, 2) + assert lut.table == list(range(24)) + + lut = ImageFilter.Color3DLUT((2, 2, 2), [(0, 1, 2, 3)] * 8, channels=4) + assert tuple(lut.size) == (2, 2, 2) + assert lut.table == list(range(4)) * 8 + + @pytest.mark.skipif(numpy is None, reason="NumPy not installed") + def test_numpy_sources(self): + table = numpy.ones((5, 6, 7, 3), dtype=numpy.float16) + with pytest.raises(ValueError, match="should have either channels"): + lut = ImageFilter.Color3DLUT((5, 6, 7), table) + + table = numpy.ones((7, 6, 5, 3), dtype=numpy.float16) + lut = ImageFilter.Color3DLUT((5, 6, 7), table) + assert isinstance(lut.table, numpy.ndarray) + assert lut.table.dtype == table.dtype + assert lut.table.shape == (table.size,) + + table = numpy.ones((7 * 6 * 5, 3), dtype=numpy.float16) + lut = ImageFilter.Color3DLUT((5, 6, 7), table) + assert lut.table.shape == (table.size,) + + table = numpy.ones((7 * 6 * 5 * 3), dtype=numpy.float16) + lut = ImageFilter.Color3DLUT((5, 6, 7), table) + assert lut.table.shape == (table.size,) + + # Check application + Image.new("RGB", (10, 10), 0).filter(lut) + + # Check copy + table[0] = 33 + assert lut.table[0] == 1 + + # Check not copy + table = numpy.ones((7 * 6 * 5 * 3), dtype=numpy.float16) + lut = ImageFilter.Color3DLUT((5, 6, 7), table, _copy_table=False) + table[0] = 33 + assert lut.table[0] == 33 + + @pytest.mark.skipif(numpy is None, reason="NumPy not installed") + def test_numpy_formats(self): + g = Image.linear_gradient("L") + im = Image.merge( + "RGB", [g, g.transpose(Image.ROTATE_90), g.transpose(Image.ROTATE_180)] + ) + + lut = ImageFilter.Color3DLUT.generate((7, 9, 11), lambda r, g, b: (r, g, b)) + lut.table = numpy.array(lut.table, dtype=numpy.float32)[:-1] + with pytest.raises(ValueError, match="should have table_channels"): + im.filter(lut) + + lut = ImageFilter.Color3DLUT.generate((7, 9, 11), lambda r, g, b: (r, g, b)) + lut.table = numpy.array(lut.table, dtype=numpy.float32).reshape((7 * 9 * 11), 3) + with pytest.raises(ValueError, match="should have table_channels"): + im.filter(lut) + + lut = ImageFilter.Color3DLUT.generate((7, 9, 11), lambda r, g, b: (r, g, b)) + lut.table = numpy.array(lut.table, dtype=numpy.float16) + assert_image_equal(im, im.filter(lut)) + + lut = ImageFilter.Color3DLUT.generate((7, 9, 11), lambda r, g, b: (r, g, b)) + lut.table = numpy.array(lut.table, dtype=numpy.float32) + assert_image_equal(im, im.filter(lut)) + + lut = ImageFilter.Color3DLUT.generate((7, 9, 11), lambda r, g, b: (r, g, b)) + lut.table = numpy.array(lut.table, dtype=numpy.float64) + assert_image_equal(im, im.filter(lut)) + + lut = ImageFilter.Color3DLUT.generate((7, 9, 11), lambda r, g, b: (r, g, b)) + lut.table = numpy.array(lut.table, dtype=numpy.int32) + im.filter(lut) + lut.table = numpy.array(lut.table, dtype=numpy.int8) + im.filter(lut) + + def test_repr(self): + lut = ImageFilter.Color3DLUT(2, [0, 1, 2] * 8) + assert repr(lut) == "" + + lut = ImageFilter.Color3DLUT( + (3, 4, 5), + array("f", [0, 0, 0, 0] * (3 * 4 * 5)), + channels=4, + target_mode="YCbCr", + _copy_table=False, + ) + assert ( + repr(lut) + == "" + ) + + +class TestGenerateColorLut3D: + def test_wrong_channels_count(self): + with pytest.raises(ValueError, match="3 or 4 output channels"): + ImageFilter.Color3DLUT.generate( + 5, channels=2, callback=lambda r, g, b: (r, g, b) + ) + + with pytest.raises(ValueError, match="should have either channels"): + ImageFilter.Color3DLUT.generate(5, lambda r, g, b: (r, g, b, r)) + + with pytest.raises(ValueError, match="should have either channels"): + ImageFilter.Color3DLUT.generate( + 5, channels=4, callback=lambda r, g, b: (r, g, b) + ) + + def test_3_channels(self): + lut = ImageFilter.Color3DLUT.generate(5, lambda r, g, b: (r, g, b)) + assert tuple(lut.size) == (5, 5, 5) + assert lut.name == "Color 3D LUT" + # fmt: off + assert lut.table[:24] == [ + 0.0, 0.0, 0.0, 0.25, 0.0, 0.0, 0.5, 0.0, 0.0, 0.75, 0.0, 0.0, + 1.0, 0.0, 0.0, 0.0, 0.25, 0.0, 0.25, 0.25, 0.0, 0.5, 0.25, 0.0] + # fmt: on + + def test_4_channels(self): + lut = ImageFilter.Color3DLUT.generate( + 5, channels=4, callback=lambda r, g, b: (b, r, g, (r + g + b) / 2) + ) + assert tuple(lut.size) == (5, 5, 5) + assert lut.name == "Color 3D LUT" + # fmt: off + assert lut.table[:24] == [ + 0.0, 0.0, 0.0, 0.0, 0.0, 0.25, 0.0, 0.125, 0.0, 0.5, 0.0, 0.25, + 0.0, 0.75, 0.0, 0.375, 0.0, 1.0, 0.0, 0.5, 0.0, 0.0, 0.25, 0.125 + ] + # fmt: on + + def test_apply(self): + lut = ImageFilter.Color3DLUT.generate(5, lambda r, g, b: (r, g, b)) + + g = Image.linear_gradient("L") + im = Image.merge( + "RGB", [g, g.transpose(Image.ROTATE_90), g.transpose(Image.ROTATE_180)] + ) + assert im == im.filter(lut) + + +class TestTransformColorLut3D: + def test_wrong_args(self): + source = ImageFilter.Color3DLUT.generate(5, lambda r, g, b: (r, g, b)) + + with pytest.raises(ValueError, match="Only 3 or 4 output"): + source.transform(lambda r, g, b: (r, g, b), channels=8) + + with pytest.raises(ValueError, match="should have either channels"): + source.transform(lambda r, g, b: (r, g, b), channels=4) + + with pytest.raises(ValueError, match="should have either channels"): + source.transform(lambda r, g, b: (r, g, b, 1)) + + with pytest.raises(TypeError): + source.transform(lambda r, g, b, a: (r, g, b)) + + def test_target_mode(self): + source = ImageFilter.Color3DLUT.generate( + 2, lambda r, g, b: (r, g, b), target_mode="HSV" + ) + + lut = source.transform(lambda r, g, b: (r, g, b)) + assert lut.mode == "HSV" + + lut = source.transform(lambda r, g, b: (r, g, b), target_mode="RGB") + assert lut.mode == "RGB" + + def test_3_to_3_channels(self): + source = ImageFilter.Color3DLUT.generate((3, 4, 5), lambda r, g, b: (r, g, b)) + lut = source.transform(lambda r, g, b: (r * r, g * g, b * b)) + assert tuple(lut.size) == tuple(source.size) + assert len(lut.table) == len(source.table) + assert lut.table != source.table + assert lut.table[0:10] == [0.0, 0.0, 0.0, 0.25, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0] + + def test_3_to_4_channels(self): + source = ImageFilter.Color3DLUT.generate((6, 5, 4), lambda r, g, b: (r, g, b)) + lut = source.transform(lambda r, g, b: (r * r, g * g, b * b, 1), channels=4) + assert tuple(lut.size) == tuple(source.size) + assert len(lut.table) != len(source.table) + assert lut.table != source.table + # fmt: off + assert lut.table[0:16] == [ + 0.0, 0.0, 0.0, 1, 0.2**2, 0.0, 0.0, 1, + 0.4**2, 0.0, 0.0, 1, 0.6**2, 0.0, 0.0, 1] + # fmt: on + + def test_4_to_3_channels(self): + source = ImageFilter.Color3DLUT.generate( + (3, 6, 5), lambda r, g, b: (r, g, b, 1), channels=4 + ) + lut = source.transform( + lambda r, g, b, a: (a - r * r, a - g * g, a - b * b), channels=3 + ) + assert tuple(lut.size) == tuple(source.size) + assert len(lut.table) != len(source.table) + assert lut.table != source.table + # fmt: off + assert lut.table[0:18] == [ + 1.0, 1.0, 1.0, 0.75, 1.0, 1.0, 0.0, 1.0, 1.0, + 1.0, 0.96, 1.0, 0.75, 0.96, 1.0, 0.0, 0.96, 1.0] + # fmt: on + + def test_4_to_4_channels(self): + source = ImageFilter.Color3DLUT.generate( + (6, 5, 4), lambda r, g, b: (r, g, b, 1), channels=4 + ) + lut = source.transform(lambda r, g, b, a: (r * r, g * g, b * b, a - 0.5)) + assert tuple(lut.size) == tuple(source.size) + assert len(lut.table) == len(source.table) + assert lut.table != source.table + # fmt: off + assert lut.table[0:16] == [ + 0.0, 0.0, 0.0, 0.5, 0.2**2, 0.0, 0.0, 0.5, + 0.4**2, 0.0, 0.0, 0.5, 0.6**2, 0.0, 0.0, 0.5] + # fmt: on + + def test_with_normals_3_channels(self): + source = ImageFilter.Color3DLUT.generate( + (6, 5, 4), lambda r, g, b: (r * r, g * g, b * b) + ) + lut = source.transform( + lambda nr, ng, nb, r, g, b: (nr - r, ng - g, nb - b), with_normals=True + ) + assert tuple(lut.size) == tuple(source.size) + assert len(lut.table) == len(source.table) + assert lut.table != source.table + # fmt: off + assert lut.table[0:18] == [ + 0.0, 0.0, 0.0, 0.16, 0.0, 0.0, 0.24, 0.0, 0.0, + 0.24, 0.0, 0.0, 0.8 - (0.8**2), 0, 0, 0, 0, 0] + # fmt: on + + def test_with_normals_4_channels(self): + source = ImageFilter.Color3DLUT.generate( + (3, 6, 5), lambda r, g, b: (r * r, g * g, b * b, 1), channels=4 + ) + lut = source.transform( + lambda nr, ng, nb, r, g, b, a: (nr - r, ng - g, nb - b, a - 0.5), + with_normals=True, + ) + assert tuple(lut.size) == tuple(source.size) + assert len(lut.table) == len(source.table) + assert lut.table != source.table + # fmt: off + assert lut.table[0:16] == [ + 0.0, 0.0, 0.0, 0.5, 0.25, 0.0, 0.0, 0.5, + 0.0, 0.0, 0.0, 0.5, 0.0, 0.16, 0.0, 0.5] + # fmt: on diff --git a/Tests/test_core_resources.py b/Tests/test_core_resources.py new file mode 100644 index 00000000000..6c52d25a4aa --- /dev/null +++ b/Tests/test_core_resources.py @@ -0,0 +1,189 @@ +import sys + +import pytest + +from PIL import Image + +from .helper import is_pypy + + +def test_get_stats(): + # Create at least one image + Image.new("RGB", (10, 10)) + + stats = Image.core.get_stats() + assert "new_count" in stats + assert "reused_blocks" in stats + assert "freed_blocks" in stats + assert "allocated_blocks" in stats + assert "reallocated_blocks" in stats + assert "blocks_cached" in stats + + +def test_reset_stats(): + Image.core.reset_stats() + + stats = Image.core.get_stats() + assert stats["new_count"] == 0 + assert stats["reused_blocks"] == 0 + assert stats["freed_blocks"] == 0 + assert stats["allocated_blocks"] == 0 + assert stats["reallocated_blocks"] == 0 + assert stats["blocks_cached"] == 0 + + +class TestCoreMemory: + def teardown_method(self): + # Restore default values + Image.core.set_alignment(1) + Image.core.set_block_size(1024 * 1024) + Image.core.set_blocks_max(0) + Image.core.clear_cache() + + def test_get_alignment(self): + alignment = Image.core.get_alignment() + + assert alignment > 0 + + def test_set_alignment(self): + for i in [1, 2, 4, 8, 16, 32]: + Image.core.set_alignment(i) + alignment = Image.core.get_alignment() + assert alignment == i + + # Try to construct new image + Image.new("RGB", (10, 10)) + + with pytest.raises(ValueError): + Image.core.set_alignment(0) + with pytest.raises(ValueError): + Image.core.set_alignment(-1) + with pytest.raises(ValueError): + Image.core.set_alignment(3) + + def test_get_block_size(self): + block_size = Image.core.get_block_size() + + assert block_size >= 4096 + + def test_set_block_size(self): + for i in [4096, 2 * 4096, 3 * 4096]: + Image.core.set_block_size(i) + block_size = Image.core.get_block_size() + assert block_size == i + + # Try to construct new image + Image.new("RGB", (10, 10)) + + with pytest.raises(ValueError): + Image.core.set_block_size(0) + with pytest.raises(ValueError): + Image.core.set_block_size(-1) + with pytest.raises(ValueError): + Image.core.set_block_size(4000) + + def test_set_block_size_stats(self): + Image.core.reset_stats() + Image.core.set_blocks_max(0) + Image.core.set_block_size(4096) + Image.new("RGB", (256, 256)) + + stats = Image.core.get_stats() + assert stats["new_count"] >= 1 + assert stats["allocated_blocks"] >= 64 + if not is_pypy(): + assert stats["freed_blocks"] >= 64 + + def test_get_blocks_max(self): + blocks_max = Image.core.get_blocks_max() + + assert blocks_max >= 0 + + def test_set_blocks_max(self): + for i in [0, 1, 10]: + Image.core.set_blocks_max(i) + blocks_max = Image.core.get_blocks_max() + assert blocks_max == i + + # Try to construct new image + Image.new("RGB", (10, 10)) + + with pytest.raises(ValueError): + Image.core.set_blocks_max(-1) + if sys.maxsize < 2 ** 32: + with pytest.raises(ValueError): + Image.core.set_blocks_max(2 ** 29) + + @pytest.mark.skipif(is_pypy(), reason="Images not collected") + def test_set_blocks_max_stats(self): + Image.core.reset_stats() + Image.core.set_blocks_max(128) + Image.core.set_block_size(4096) + Image.new("RGB", (256, 256)) + Image.new("RGB", (256, 256)) + + stats = Image.core.get_stats() + assert stats["new_count"] >= 2 + assert stats["allocated_blocks"] >= 64 + assert stats["reused_blocks"] >= 64 + assert stats["freed_blocks"] == 0 + assert stats["blocks_cached"] == 64 + + @pytest.mark.skipif(is_pypy(), reason="Images not collected") + def test_clear_cache_stats(self): + Image.core.reset_stats() + Image.core.clear_cache() + Image.core.set_blocks_max(128) + Image.core.set_block_size(4096) + Image.new("RGB", (256, 256)) + Image.new("RGB", (256, 256)) + # Keep 16 blocks in cache + Image.core.clear_cache(16) + + stats = Image.core.get_stats() + assert stats["new_count"] >= 2 + assert stats["allocated_blocks"] >= 64 + assert stats["reused_blocks"] >= 64 + assert stats["freed_blocks"] >= 48 + assert stats["blocks_cached"] == 16 + + def test_large_images(self): + Image.core.reset_stats() + Image.core.set_blocks_max(0) + Image.core.set_block_size(4096) + Image.new("RGB", (2048, 16)) + Image.core.clear_cache() + + stats = Image.core.get_stats() + assert stats["new_count"] >= 1 + assert stats["allocated_blocks"] >= 16 + assert stats["reused_blocks"] >= 0 + assert stats["blocks_cached"] == 0 + if not is_pypy(): + assert stats["freed_blocks"] >= 16 + + +class TestEnvVars: + def teardown_method(self): + # Restore default values + Image.core.set_alignment(1) + Image.core.set_block_size(1024 * 1024) + Image.core.set_blocks_max(0) + Image.core.clear_cache() + + def test_units(self): + Image._apply_env_variables({"PILLOW_BLOCKS_MAX": "2K"}) + assert Image.core.get_blocks_max() == 2 * 1024 + Image._apply_env_variables({"PILLOW_BLOCK_SIZE": "2m"}) + assert Image.core.get_block_size() == 2 * 1024 * 1024 + + def test_warnings(self): + pytest.warns( + UserWarning, Image._apply_env_variables, {"PILLOW_ALIGNMENT": "15"} + ) + pytest.warns( + UserWarning, Image._apply_env_variables, {"PILLOW_BLOCK_SIZE": "1024"} + ) + pytest.warns( + UserWarning, Image._apply_env_variables, {"PILLOW_BLOCKS_MAX": "wat"} + ) diff --git a/Tests/test_decompression_bomb.py b/Tests/test_decompression_bomb.py index e952f65865c..d918ef9410c 100644 --- a/Tests/test_decompression_bomb.py +++ b/Tests/test_decompression_bomb.py @@ -1,43 +1,106 @@ -from helper import unittest, PillowTestCase +import pytest from PIL import Image +from .helper import hopper + TEST_FILE = "Tests/images/hopper.ppm" ORIGINAL_LIMIT = Image.MAX_IMAGE_PIXELS -class TestDecompressionBomb(PillowTestCase): - - def tearDown(self): +class TestDecompressionBomb: + def teardown_method(self, method): Image.MAX_IMAGE_PIXELS = ORIGINAL_LIMIT def test_no_warning_small_file(self): # Implicit assert: no warning. # A warning would cause a failure. - Image.open(TEST_FILE) + with Image.open(TEST_FILE): + pass def test_no_warning_no_limit(self): # Arrange # Turn limit off Image.MAX_IMAGE_PIXELS = None - self.assertEqual(Image.MAX_IMAGE_PIXELS, None) + assert Image.MAX_IMAGE_PIXELS is None # Act / Assert # Implicit assert: no warning. # A warning would cause a failure. - Image.open(TEST_FILE) + with Image.open(TEST_FILE): + pass def test_warning(self): - # Arrange - # Set limit to a low, easily testable value - Image.MAX_IMAGE_PIXELS = 10 - self.assertEqual(Image.MAX_IMAGE_PIXELS, 10) + # Set limit to trigger warning on the test file + Image.MAX_IMAGE_PIXELS = 128 * 128 - 1 + assert Image.MAX_IMAGE_PIXELS == 128 * 128 - 1 - # Act / Assert - self.assert_warning( - Image.DecompressionBombWarning, - lambda: Image.open(TEST_FILE)) + def open(): + with Image.open(TEST_FILE): + pass + + pytest.warns(Image.DecompressionBombWarning, open) + + def test_exception(self): + # Set limit to trigger exception on the test file + Image.MAX_IMAGE_PIXELS = 64 * 128 - 1 + assert Image.MAX_IMAGE_PIXELS == 64 * 128 - 1 + + with pytest.raises(Image.DecompressionBombError): + with Image.open(TEST_FILE): + pass + + @pytest.mark.xfail(reason="different exception") + def test_exception_ico(self): + with pytest.raises(Image.DecompressionBombError): + with Image.open("Tests/images/decompression_bomb.ico"): + pass + + def test_exception_gif(self): + with pytest.raises(Image.DecompressionBombError): + with Image.open("Tests/images/decompression_bomb.gif"): + pass + + def test_exception_bmp(self): + with pytest.raises(Image.DecompressionBombError): + with Image.open("Tests/images/bmp/b/reallybig.bmp"): + pass + + +class TestDecompressionCrop: + @classmethod + def setup_class(self): + width, height = 128, 128 + Image.MAX_IMAGE_PIXELS = height * width * 4 - 1 + + @classmethod + def teardown_class(self): + Image.MAX_IMAGE_PIXELS = ORIGINAL_LIMIT + + def testEnlargeCrop(self): + # Crops can extend the extents, therefore we should have the + # same decompression bomb warnings on them. + with hopper() as src: + box = (0, 0, src.width * 2, src.height * 2) + pytest.warns(Image.DecompressionBombWarning, src.crop, box) + + def test_crop_decompression_checks(self): + + im = Image.new("RGB", (100, 100)) + + good_values = ((-9999, -9999, -9990, -9990), (-999, -999, -990, -990)) + + warning_values = ((-160, -160, 99, 99), (160, 160, -99, -99)) + + error_values = ((-99909, -99990, 99999, 99999), (99909, 99990, -99999, -99999)) + + for value in good_values: + assert im.crop(value).size == (9, 9) + + for value in warning_values: + pytest.warns(Image.DecompressionBombWarning, im.crop, value) -if __name__ == '__main__': - unittest.main() + for value in error_values: + with pytest.raises(Image.DecompressionBombError): + im.crop(value) diff --git a/Tests/test_features.py b/Tests/test_features.py index 7861693b21a..284f72205f3 100644 --- a/Tests/test_features.py +++ b/Tests/test_features.py @@ -1,33 +1,142 @@ -from helper import unittest, PillowTestCase +import io +import re + +import pytest from PIL import features +from .helper import skip_unless_feature + +try: + from PIL import _webp +except ImportError: + pass + + +def test_check(): + # Check the correctness of the convenience function + for module in features.modules: + assert features.check_module(module) == features.check(module) + for codec in features.codecs: + assert features.check_codec(codec) == features.check(codec) + for feature in features.features: + assert features.check_feature(feature) == features.check(feature) + + +def test_version(): + # Check the correctness of the convenience function + # and the format of version numbers + + def test(name, function): + version = features.version(name) + if not features.check(name): + assert version is None + else: + assert function(name) == version + if name != "PIL": + assert version is None or re.search(r"\d+(\.\d+)*$", version) + + for module in features.modules: + test(module, features.version_module) + for codec in features.codecs: + test(codec, features.version_codec) + for feature in features.features: + test(feature, features.version_feature) + + +@skip_unless_feature("webp") +def test_webp_transparency(): + assert features.check("transp_webp") != _webp.WebPDecoderBuggyAlpha() + assert features.check("transp_webp") == _webp.HAVE_TRANSPARENCY + + +@skip_unless_feature("webp") +def test_webp_mux(): + assert features.check("webp_mux") == _webp.HAVE_WEBPMUX + + +@skip_unless_feature("webp") +def test_webp_anim(): + assert features.check("webp_anim") == _webp.HAVE_WEBPANIM + + +@skip_unless_feature("libjpeg_turbo") +def test_libjpeg_turbo_version(): + assert re.search(r"\d+\.\d+\.\d+$", features.version("libjpeg_turbo")) + + +@skip_unless_feature("libimagequant") +def test_libimagequant_version(): + assert re.search(r"\d+\.\d+\.\d+$", features.version("libimagequant")) + + +def test_check_modules(): + for feature in features.modules: + assert features.check_module(feature) in [True, False] + + +def test_check_codecs(): + for feature in features.codecs: + assert features.check_codec(feature) in [True, False] + + +def test_check_warns_on_nonexistent(): + with pytest.warns(UserWarning) as cm: + has_feature = features.check("typo") + assert has_feature is False + assert str(cm[-1].message) == "Unknown feature 'typo'." + -class TestFeatures(PillowTestCase): +def test_supported_modules(): + assert isinstance(features.get_supported_modules(), list) + assert isinstance(features.get_supported_codecs(), list) + assert isinstance(features.get_supported_features(), list) + assert isinstance(features.get_supported(), list) - def test_check_features(self): - for feature in features.modules: - self.assertTrue( - features.check_module(feature) in [True, False, None]) - for feature in features.codecs: - self.assertTrue(features.check_codec(feature) in [True, False]) - def test_supported_features(self): - self.assertTrue(type(features.get_supported_modules()) is list) - self.assertTrue(type(features.get_supported_codecs()) is list) +def test_unsupported_codec(): + # Arrange + codec = "unsupported_codec" + # Act / Assert + with pytest.raises(ValueError): + features.check_codec(codec) + with pytest.raises(ValueError): + features.version_codec(codec) - def test_unsupported_codec(self): - # Arrange - codec = "unsupported_codec" - # Act / Assert - self.assertRaises(ValueError, lambda: features.check_codec(codec)) - def test_unsupported_module(self): - # Arrange - module = "unsupported_module" - # Act / Assert - self.assertRaises(ValueError, lambda: features.check_module(module)) +def test_unsupported_module(): + # Arrange + module = "unsupported_module" + # Act / Assert + with pytest.raises(ValueError): + features.check_module(module) + with pytest.raises(ValueError): + features.version_module(module) -if __name__ == '__main__': - unittest.main() +def test_pilinfo(): + buf = io.StringIO() + features.pilinfo(buf) + out = buf.getvalue() + lines = out.splitlines() + assert lines[0] == "-" * 68 + assert lines[1].startswith("Pillow ") + assert lines[2].startswith("Python ") + lines = lines[3:] + while lines[0].startswith(" "): + lines = lines[1:] + assert lines[0] == "-" * 68 + assert lines[1].startswith("Python modules loaded from ") + assert lines[2].startswith("Binary modules loaded from ") + assert lines[3] == "-" * 68 + jpeg = ( + "\n" + + "-" * 68 + + "\n" + + "JPEG image/jpeg\n" + + "Extensions: .jfif, .jpe, .jpeg, .jpg\n" + + "Features: open, save\n" + + "-" * 68 + + "\n" + ) + assert jpeg in out diff --git a/Tests/test_file_apng.py b/Tests/test_file_apng.py new file mode 100644 index 00000000000..d48e5ce07f3 --- /dev/null +++ b/Tests/test_file_apng.py @@ -0,0 +1,637 @@ +import pytest + +from PIL import Image, ImageSequence, PngImagePlugin + + +# APNG browser support tests and fixtures via: +# https://philip.html5.org/tests/apng/tests.html +# (referenced from https://wiki.mozilla.org/APNG_Specification) +def test_apng_basic(): + with Image.open("Tests/images/apng/single_frame.png") as im: + assert not im.is_animated + assert im.n_frames == 1 + assert im.get_format_mimetype() == "image/apng" + assert im.info.get("default_image") is None + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/single_frame_default.png") as im: + assert im.is_animated + assert im.n_frames == 2 + assert im.get_format_mimetype() == "image/apng" + assert im.info.get("default_image") + assert im.getpixel((0, 0)) == (255, 0, 0, 255) + assert im.getpixel((64, 32)) == (255, 0, 0, 255) + im.seek(1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + # test out of bounds seek + with pytest.raises(EOFError): + im.seek(2) + + # test rewind support + im.seek(0) + assert im.getpixel((0, 0)) == (255, 0, 0, 255) + assert im.getpixel((64, 32)) == (255, 0, 0, 255) + im.seek(1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_fdat(): + with Image.open("Tests/images/apng/split_fdat.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/split_fdat_zero_chunk.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_dispose(): + with Image.open("Tests/images/apng/dispose_op_none.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/dispose_op_background.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 0, 0, 0) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + with Image.open("Tests/images/apng/dispose_op_background_final.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/dispose_op_previous.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/dispose_op_previous_final.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/dispose_op_previous_first.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 0, 0, 0) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + +def test_apng_dispose_region(): + with Image.open("Tests/images/apng/dispose_op_none_region.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/dispose_op_background_before_region.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 0, 0, 0) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + with Image.open("Tests/images/apng/dispose_op_background_region.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 0, 255, 255) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + with Image.open("Tests/images/apng/dispose_op_previous_region.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_dispose_op_previous_frame(): + # Test that the dispose settings being used are from the previous frame + # + # Image created with: + # red = Image.new("RGBA", (128, 64), (255, 0, 0, 255)) + # green = red.copy() + # green.paste(Image.new("RGBA", (64, 32), (0, 255, 0, 255))) + # blue = red.copy() + # blue.paste(Image.new("RGBA", (64, 32), (0, 255, 0, 255)), (64, 32)) + # + # red.save( + # "Tests/images/apng/dispose_op_previous_frame.png", + # save_all=True, + # append_images=[green, blue], + # disposal=[ + # PngImagePlugin.APNG_DISPOSE_OP_NONE, + # PngImagePlugin.APNG_DISPOSE_OP_PREVIOUS, + # PngImagePlugin.APNG_DISPOSE_OP_PREVIOUS + # ], + # ) + with Image.open("Tests/images/apng/dispose_op_previous_frame.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (255, 0, 0, 255) + + +def test_apng_dispose_op_background_p_mode(): + with Image.open("Tests/images/apng/dispose_op_background_p_mode.png") as im: + im.seek(1) + im.load() + assert im.size == (128, 64) + + +def test_apng_blend(): + with Image.open("Tests/images/apng/blend_op_source_solid.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/blend_op_source_transparent.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 0, 0, 0) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + with Image.open("Tests/images/apng/blend_op_source_near_transparent.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 2) + assert im.getpixel((64, 32)) == (0, 255, 0, 2) + + with Image.open("Tests/images/apng/blend_op_over.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/blend_op_over_near_transparent.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 97) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_chunk_order(): + with Image.open("Tests/images/apng/fctl_actl.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_delay(): + with Image.open("Tests/images/apng/delay.png") as im: + im.seek(1) + assert im.info.get("duration") == 500.0 + im.seek(2) + assert im.info.get("duration") == 1000.0 + im.seek(3) + assert im.info.get("duration") == 500.0 + im.seek(4) + assert im.info.get("duration") == 1000.0 + + with Image.open("Tests/images/apng/delay_round.png") as im: + im.seek(1) + assert im.info.get("duration") == 500.0 + im.seek(2) + assert im.info.get("duration") == 1000.0 + + with Image.open("Tests/images/apng/delay_short_max.png") as im: + im.seek(1) + assert im.info.get("duration") == 500.0 + im.seek(2) + assert im.info.get("duration") == 1000.0 + + with Image.open("Tests/images/apng/delay_zero_denom.png") as im: + im.seek(1) + assert im.info.get("duration") == 500.0 + im.seek(2) + assert im.info.get("duration") == 1000.0 + + with Image.open("Tests/images/apng/delay_zero_numer.png") as im: + im.seek(1) + assert im.info.get("duration") == 0.0 + im.seek(2) + assert im.info.get("duration") == 0.0 + im.seek(3) + assert im.info.get("duration") == 500.0 + im.seek(4) + assert im.info.get("duration") == 1000.0 + + +def test_apng_num_plays(): + with Image.open("Tests/images/apng/num_plays.png") as im: + assert im.info.get("loop") == 0 + + with Image.open("Tests/images/apng/num_plays_1.png") as im: + assert im.info.get("loop") == 1 + + +def test_apng_mode(): + with Image.open("Tests/images/apng/mode_16bit.png") as im: + assert im.mode == "RGBA" + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 0, 128, 191) + assert im.getpixel((64, 32)) == (0, 0, 128, 191) + + with Image.open("Tests/images/apng/mode_greyscale.png") as im: + assert im.mode == "L" + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == 128 + assert im.getpixel((64, 32)) == 255 + + with Image.open("Tests/images/apng/mode_greyscale_alpha.png") as im: + assert im.mode == "LA" + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (128, 191) + assert im.getpixel((64, 32)) == (128, 191) + + with Image.open("Tests/images/apng/mode_palette.png") as im: + assert im.mode == "P" + im.seek(im.n_frames - 1) + im = im.convert("RGB") + assert im.getpixel((0, 0)) == (0, 255, 0) + assert im.getpixel((64, 32)) == (0, 255, 0) + + with Image.open("Tests/images/apng/mode_palette_alpha.png") as im: + assert im.mode == "P" + im.seek(im.n_frames - 1) + im = im.convert("RGBA") + assert im.getpixel((0, 0)) == (255, 0, 0, 0) + assert im.getpixel((64, 32)) == (255, 0, 0, 0) + + with Image.open("Tests/images/apng/mode_palette_1bit_alpha.png") as im: + assert im.mode == "P" + im.seek(im.n_frames - 1) + im = im.convert("RGBA") + assert im.getpixel((0, 0)) == (0, 0, 255, 128) + assert im.getpixel((64, 32)) == (0, 0, 255, 128) + + +def test_apng_chunk_errors(): + with Image.open("Tests/images/apng/chunk_no_actl.png") as im: + assert not im.is_animated + + def open(): + with Image.open("Tests/images/apng/chunk_multi_actl.png") as im: + im.load() + assert not im.is_animated + + pytest.warns(UserWarning, open) + + with Image.open("Tests/images/apng/chunk_actl_after_idat.png") as im: + assert not im.is_animated + + with Image.open("Tests/images/apng/chunk_no_fctl.png") as im: + with pytest.raises(SyntaxError): + im.seek(im.n_frames - 1) + + with Image.open("Tests/images/apng/chunk_repeat_fctl.png") as im: + with pytest.raises(SyntaxError): + im.seek(im.n_frames - 1) + + with Image.open("Tests/images/apng/chunk_no_fdat.png") as im: + with pytest.raises(SyntaxError): + im.seek(im.n_frames - 1) + + +def test_apng_syntax_errors(): + def open_frames_zero(): + with Image.open("Tests/images/apng/syntax_num_frames_zero.png") as im: + assert not im.is_animated + with pytest.raises(OSError): + im.load() + + pytest.warns(UserWarning, open_frames_zero) + + def open_frames_zero_default(): + with Image.open("Tests/images/apng/syntax_num_frames_zero_default.png") as im: + assert not im.is_animated + im.load() + + pytest.warns(UserWarning, open_frames_zero_default) + + # we can handle this case gracefully + exception = None + with Image.open("Tests/images/apng/syntax_num_frames_low.png") as im: + try: + im.seek(im.n_frames - 1) + except Exception as e: + exception = e + assert exception is None + + with pytest.raises(OSError): + with Image.open("Tests/images/apng/syntax_num_frames_high.png") as im: + im.seek(im.n_frames - 1) + im.load() + + def open(): + with Image.open("Tests/images/apng/syntax_num_frames_invalid.png") as im: + assert not im.is_animated + im.load() + + pytest.warns(UserWarning, open) + + +def test_apng_sequence_errors(): + test_files = [ + "sequence_start.png", + "sequence_gap.png", + "sequence_repeat.png", + "sequence_repeat_chunk.png", + "sequence_reorder.png", + "sequence_reorder_chunk.png", + "sequence_fdat_fctl.png", + ] + for f in test_files: + with pytest.raises(SyntaxError): + with Image.open(f"Tests/images/apng/{f}") as im: + im.seek(im.n_frames - 1) + im.load() + + +def test_apng_save(tmp_path): + with Image.open("Tests/images/apng/single_frame.png") as im: + test_file = str(tmp_path / "temp.png") + im.save(test_file, save_all=True) + + with Image.open(test_file) as im: + im.load() + assert not im.is_animated + assert im.n_frames == 1 + assert im.get_format_mimetype() == "image/apng" + assert im.info.get("default_image") is None + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/single_frame_default.png") as im: + frames = [] + for frame_im in ImageSequence.Iterator(im): + frames.append(frame_im.copy()) + frames[0].save( + test_file, save_all=True, default_image=True, append_images=frames[1:] + ) + + with Image.open(test_file) as im: + im.load() + assert im.is_animated + assert im.n_frames == 2 + assert im.get_format_mimetype() == "image/apng" + assert im.info.get("default_image") + im.seek(1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_save_split_fdat(tmp_path): + # test to make sure we do not generate sequence errors when writing + # frames with image data spanning multiple fdAT chunks (in this case + # both the default image and first animation frame will span multiple + # data chunks) + test_file = str(tmp_path / "temp.png") + with Image.open("Tests/images/old-style-jpeg-compression.png") as im: + frames = [im.copy(), Image.new("RGBA", im.size, (255, 0, 0, 255))] + im.save( + test_file, + save_all=True, + default_image=True, + append_images=frames, + ) + with Image.open(test_file) as im: + exception = None + try: + im.seek(im.n_frames - 1) + im.load() + except Exception as e: + exception = e + assert exception is None + + +def test_apng_save_duration_loop(tmp_path): + test_file = str(tmp_path / "temp.png") + with Image.open("Tests/images/apng/delay.png") as im: + frames = [] + durations = [] + loop = im.info.get("loop") + default_image = im.info.get("default_image") + for i, frame_im in enumerate(ImageSequence.Iterator(im)): + frames.append(frame_im.copy()) + if i != 0 or not default_image: + durations.append(frame_im.info.get("duration", 0)) + frames[0].save( + test_file, + save_all=True, + default_image=default_image, + append_images=frames[1:], + duration=durations, + loop=loop, + ) + + with Image.open(test_file) as im: + im.load() + assert im.info.get("loop") == loop + im.seek(1) + assert im.info.get("duration") == 500.0 + im.seek(2) + assert im.info.get("duration") == 1000.0 + im.seek(3) + assert im.info.get("duration") == 500.0 + im.seek(4) + assert im.info.get("duration") == 1000.0 + + # test removal of duplicated frames + frame = Image.new("RGBA", (128, 64), (255, 0, 0, 255)) + frame.save( + test_file, save_all=True, append_images=[frame, frame], duration=[500, 100, 150] + ) + with Image.open(test_file) as im: + im.load() + assert im.n_frames == 1 + assert im.info.get("duration") == 750 + + # test info duration + frame.info["duration"] = 750 + frame.save(test_file, save_all=True) + with Image.open(test_file) as im: + assert im.info.get("duration") == 750 + + +def test_apng_save_disposal(tmp_path): + test_file = str(tmp_path / "temp.png") + size = (128, 64) + red = Image.new("RGBA", size, (255, 0, 0, 255)) + green = Image.new("RGBA", size, (0, 255, 0, 255)) + transparent = Image.new("RGBA", size, (0, 0, 0, 0)) + + # test APNG_DISPOSE_OP_NONE + red.save( + test_file, + save_all=True, + append_images=[green, transparent], + disposal=PngImagePlugin.APNG_DISPOSE_OP_NONE, + blend=PngImagePlugin.APNG_BLEND_OP_OVER, + ) + with Image.open(test_file) as im: + im.seek(2) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + # test APNG_DISPOSE_OP_BACKGROUND + disposal = [ + PngImagePlugin.APNG_DISPOSE_OP_NONE, + PngImagePlugin.APNG_DISPOSE_OP_BACKGROUND, + PngImagePlugin.APNG_DISPOSE_OP_NONE, + ] + red.save( + test_file, + save_all=True, + append_images=[red, transparent], + disposal=disposal, + blend=PngImagePlugin.APNG_BLEND_OP_OVER, + ) + with Image.open(test_file) as im: + im.seek(2) + assert im.getpixel((0, 0)) == (0, 0, 0, 0) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + disposal = [ + PngImagePlugin.APNG_DISPOSE_OP_NONE, + PngImagePlugin.APNG_DISPOSE_OP_BACKGROUND, + ] + red.save( + test_file, + save_all=True, + append_images=[green], + disposal=disposal, + blend=PngImagePlugin.APNG_BLEND_OP_OVER, + ) + with Image.open(test_file) as im: + im.seek(1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + # test APNG_DISPOSE_OP_PREVIOUS + disposal = [ + PngImagePlugin.APNG_DISPOSE_OP_NONE, + PngImagePlugin.APNG_DISPOSE_OP_PREVIOUS, + PngImagePlugin.APNG_DISPOSE_OP_NONE, + ] + red.save( + test_file, + save_all=True, + append_images=[green, red, transparent], + default_image=True, + disposal=disposal, + blend=PngImagePlugin.APNG_BLEND_OP_OVER, + ) + with Image.open(test_file) as im: + im.seek(3) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + disposal = [ + PngImagePlugin.APNG_DISPOSE_OP_NONE, + PngImagePlugin.APNG_DISPOSE_OP_PREVIOUS, + ] + red.save( + test_file, + save_all=True, + append_images=[green], + disposal=disposal, + blend=PngImagePlugin.APNG_BLEND_OP_OVER, + ) + with Image.open(test_file) as im: + im.seek(1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + # test info disposal + red.info["disposal"] = PngImagePlugin.APNG_DISPOSE_OP_BACKGROUND + red.save( + test_file, + save_all=True, + append_images=[Image.new("RGBA", (10, 10), (0, 255, 0, 255))], + ) + with Image.open(test_file) as im: + im.seek(1) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + +def test_apng_save_disposal_previous(tmp_path): + test_file = str(tmp_path / "temp.png") + size = (128, 64) + transparent = Image.new("RGBA", size, (0, 0, 0, 0)) + red = Image.new("RGBA", size, (255, 0, 0, 255)) + green = Image.new("RGBA", size, (0, 255, 0, 255)) + + # test APNG_DISPOSE_OP_NONE + transparent.save( + test_file, + save_all=True, + append_images=[red, green], + disposal=PngImagePlugin.APNG_DISPOSE_OP_PREVIOUS, + ) + with Image.open(test_file) as im: + im.seek(2) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_save_blend(tmp_path): + test_file = str(tmp_path / "temp.png") + size = (128, 64) + red = Image.new("RGBA", size, (255, 0, 0, 255)) + green = Image.new("RGBA", size, (0, 255, 0, 255)) + transparent = Image.new("RGBA", size, (0, 0, 0, 0)) + + # test APNG_BLEND_OP_SOURCE on solid color + blend = [ + PngImagePlugin.APNG_BLEND_OP_OVER, + PngImagePlugin.APNG_BLEND_OP_SOURCE, + ] + red.save( + test_file, + save_all=True, + append_images=[red, green], + default_image=True, + disposal=PngImagePlugin.APNG_DISPOSE_OP_NONE, + blend=blend, + ) + with Image.open(test_file) as im: + im.seek(2) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + # test APNG_BLEND_OP_SOURCE on transparent color + blend = [ + PngImagePlugin.APNG_BLEND_OP_OVER, + PngImagePlugin.APNG_BLEND_OP_SOURCE, + ] + red.save( + test_file, + save_all=True, + append_images=[red, transparent], + default_image=True, + disposal=PngImagePlugin.APNG_DISPOSE_OP_NONE, + blend=blend, + ) + with Image.open(test_file) as im: + im.seek(2) + assert im.getpixel((0, 0)) == (0, 0, 0, 0) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + # test APNG_BLEND_OP_OVER + red.save( + test_file, + save_all=True, + append_images=[green, transparent], + default_image=True, + disposal=PngImagePlugin.APNG_DISPOSE_OP_NONE, + blend=PngImagePlugin.APNG_BLEND_OP_OVER, + ) + with Image.open(test_file) as im: + im.seek(1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + im.seek(2) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + # test info blend + red.info["blend"] = PngImagePlugin.APNG_BLEND_OP_OVER + red.save(test_file, save_all=True, append_images=[green, transparent]) + with Image.open(test_file) as im: + im.seek(2) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) diff --git a/Tests/test_file_blp.py b/Tests/test_file_blp.py new file mode 100644 index 00000000000..15bd7e4f8ef --- /dev/null +++ b/Tests/test_file_blp.py @@ -0,0 +1,39 @@ +import pytest + +from PIL import Image + +from .helper import assert_image_equal_tofile + + +def test_load_blp2_raw(): + with Image.open("Tests/images/blp/blp2_raw.blp") as im: + assert_image_equal_tofile(im, "Tests/images/blp/blp2_raw.png") + + +def test_load_blp2_dxt1(): + with Image.open("Tests/images/blp/blp2_dxt1.blp") as im: + assert_image_equal_tofile(im, "Tests/images/blp/blp2_dxt1.png") + + +def test_load_blp2_dxt1a(): + with Image.open("Tests/images/blp/blp2_dxt1a.blp") as im: + assert_image_equal_tofile(im, "Tests/images/blp/blp2_dxt1a.png") + + +@pytest.mark.parametrize( + "test_file", + [ + "Tests/images/timeout-060745d3f534ad6e4128c51d336ea5489182c69d.blp", + "Tests/images/timeout-31c8f86233ea728339c6e586be7af661a09b5b98.blp", + "Tests/images/timeout-60d8b7c8469d59fc9ffff6b3a3dc0faeae6ea8ee.blp", + "Tests/images/timeout-8073b430977660cdd48d96f6406ddfd4114e69c7.blp", + "Tests/images/timeout-bba4f2e026b5786529370e5dfe9a11b1bf991f07.blp", + "Tests/images/timeout-d6ec061c4afdef39d3edf6da8927240bb07fe9b7.blp", + "Tests/images/timeout-ef9112a065e7183fa7faa2e18929b03e44ee16bf.blp", + ], +) +def test_crashes(test_file): + with open(test_file, "rb") as f: + with Image.open(f) as im: + with pytest.raises(OSError): + im.load() diff --git a/Tests/test_file_bmp.py b/Tests/test_file_bmp.py index 36bc84d842b..47fc97df055 100644 --- a/Tests/test_file_bmp.py +++ b/Tests/test_file_bmp.py @@ -1,81 +1,132 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import Image, BmpImagePlugin import io +import pytest + +from PIL import BmpImagePlugin, Image + +from .helper import assert_image_equal, assert_image_equal_tofile, hopper + + +def test_sanity(tmp_path): + def roundtrip(im): + outfile = str(tmp_path / "temp.bmp") -class TestFileBmp(PillowTestCase): + im.save(outfile, "BMP") - def roundtrip(self, im): - outfile = self.tempfile("temp.bmp") + with Image.open(outfile) as reloaded: + reloaded.load() + assert im.mode == reloaded.mode + assert im.size == reloaded.size + assert reloaded.format == "BMP" + assert reloaded.get_format_mimetype() == "image/bmp" - im.save(outfile, 'BMP') + roundtrip(hopper()) - reloaded = Image.open(outfile) - reloaded.load() - self.assertEqual(im.mode, reloaded.mode) - self.assertEqual(im.size, reloaded.size) - self.assertEqual(reloaded.format, "BMP") + roundtrip(hopper("1")) + roundtrip(hopper("L")) + roundtrip(hopper("P")) + roundtrip(hopper("RGB")) - def test_sanity(self): - self.roundtrip(hopper()) - self.roundtrip(hopper("1")) - self.roundtrip(hopper("L")) - self.roundtrip(hopper("P")) - self.roundtrip(hopper("RGB")) +def test_invalid_file(): + with open("Tests/images/flower.jpg", "rb") as fp: + with pytest.raises(SyntaxError): + BmpImagePlugin.BmpImageFile(fp) - def test_invalid_file(self): - with open("Tests/images/flower.jpg", "rb") as fp: - self.assertRaises(SyntaxError, - lambda: BmpImagePlugin.BmpImageFile(fp)) - def test_save_to_bytes(self): - output = io.BytesIO() - im = hopper() - im.save(output, "BMP") +def test_save_to_bytes(): + output = io.BytesIO() + im = hopper() + im.save(output, "BMP") - output.seek(0) - reloaded = Image.open(output) + output.seek(0) + with Image.open(output) as reloaded: + assert im.mode == reloaded.mode + assert im.size == reloaded.size + assert reloaded.format == "BMP" - self.assertEqual(im.mode, reloaded.mode) - self.assertEqual(im.size, reloaded.size) - self.assertEqual(reloaded.format, "BMP") - def test_dpi(self): - dpi = (72, 72) +def test_save_too_large(tmp_path): + outfile = str(tmp_path / "temp.bmp") + with Image.new("RGB", (1, 1)) as im: + im._size = (37838, 37838) + with pytest.raises(ValueError): + im.save(outfile) - output = io.BytesIO() - im = hopper() + +def test_dpi(): + dpi = (72, 72) + + output = io.BytesIO() + with hopper() as im: im.save(output, "BMP", dpi=dpi) - output.seek(0) - reloaded = Image.open(output) + output.seek(0) + with Image.open(output) as reloaded: + assert reloaded.info["dpi"] == (72.008961115161, 72.008961115161) - self.assertEqual(reloaded.info["dpi"], dpi) - def test_save_bmp_with_dpi(self): - # Test for #1301 - # Arrange - outfile = self.tempfile("temp.jpg") - im = Image.open("Tests/images/hopper.bmp") +def test_save_bmp_with_dpi(tmp_path): + # Test for #1301 + # Arrange + outfile = str(tmp_path / "temp.jpg") + with Image.open("Tests/images/hopper.bmp") as im: + assert im.info["dpi"] == (95.98654816726399, 95.98654816726399) # Act - im.save(outfile, 'JPEG', dpi=im.info['dpi']) + im.save(outfile, "JPEG", dpi=im.info["dpi"]) # Assert - reloaded = Image.open(outfile) - reloaded.load() - self.assertEqual(im.info['dpi'], reloaded.info['dpi']) - self.assertEqual(im.size, reloaded.size) - self.assertEqual(reloaded.format, "JPEG") + with Image.open(outfile) as reloaded: + reloaded.load() + assert reloaded.info["dpi"] == (96, 96) + assert reloaded.size == im.size + assert reloaded.format == "JPEG" + + +def test_save_float_dpi(tmp_path): + outfile = str(tmp_path / "temp.bmp") + with Image.open("Tests/images/hopper.bmp") as im: + im.save(outfile, dpi=(72.21216100543306, 72.21216100543306)) + with Image.open(outfile) as reloaded: + assert reloaded.info["dpi"] == (72.21216100543306, 72.21216100543306) + + +def test_load_dib(): + # test for #1293, Imagegrab returning Unsupported Bitfields Format + with Image.open("Tests/images/clipboard.dib") as im: + assert im.format == "DIB" + assert im.get_format_mimetype() == "image/bmp" + + assert_image_equal_tofile(im, "Tests/images/clipboard_target.png") + + +def test_save_dib(tmp_path): + outfile = str(tmp_path / "temp.dib") + + with Image.open("Tests/images/clipboard.dib") as im: + im.save(outfile) + + with Image.open(outfile) as reloaded: + assert reloaded.format == "DIB" + assert reloaded.get_format_mimetype() == "image/bmp" + assert_image_equal(im, reloaded) + + +def test_rgba_bitfields(): + # This test image has been manually hexedited + # to change the bitfield compression in the header from XBGR to RGBA + with Image.open("Tests/images/rgb32bf-rgba.bmp") as im: + + # So before the comparing the image, swap the channels + b, g, r = im.split()[1:] + im = Image.merge("RGB", (r, g, b)) - def test_load_dib(self): - # test for #1293, Imagegrab returning Unsupported Bitfields Format - im = BmpImagePlugin.DibImageFile('Tests/images/clipboard.dib') - target = Image.open('Tests/images/clipboard_target.png') - self.assert_image_equal(im, target) + assert_image_equal_tofile(im, "Tests/images/bmp/q/rgb32bf-xbgr.bmp") -if __name__ == '__main__': - unittest.main() +def test_offset(): + # This image has been hexedited + # to exclude the palette size from the pixel data offset + with Image.open("Tests/images/pal8_offset.bmp") as im: + assert_image_equal_tofile(im, "Tests/images/bmp/g/pal8.bmp") diff --git a/Tests/test_file_bufrstub.py b/Tests/test_file_bufrstub.py index 6872ca339ab..11acc1c88c0 100644 --- a/Tests/test_file_bufrstub.py +++ b/Tests/test_file_bufrstub.py @@ -1,17 +1,47 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import BufrStubImagePlugin +from PIL import BufrStubImagePlugin, Image +from .helper import hopper -class TestFileBufrStub(PillowTestCase): +TEST_FILE = "Tests/images/gfs.t06z.rassda.tm00.bufr_d" - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: - BufrStubImagePlugin.BufrStubImageFile(invalid_file)) +def test_open(): + # Act + with Image.open(TEST_FILE) as im: + # Assert + assert im.format == "BUFR" -if __name__ == '__main__': - unittest.main() + # Dummy data from the stub + assert im.mode == "F" + assert im.size == (1, 1) + + +def test_invalid_file(): + # Arrange + invalid_file = "Tests/images/flower.jpg" + + # Act / Assert + with pytest.raises(SyntaxError): + BufrStubImagePlugin.BufrStubImageFile(invalid_file) + + +def test_load(): + # Arrange + with Image.open(TEST_FILE) as im: + + # Act / Assert: stub cannot load without an implemented handler + with pytest.raises(OSError): + im.load() + + +def test_save(tmp_path): + # Arrange + im = hopper() + tmpfile = str(tmp_path / "temp.bufr") + + # Act / Assert: stub cannot save without an implemented handler + with pytest.raises(OSError): + im.save(tmpfile) diff --git a/Tests/test_file_container.py b/Tests/test_file_container.py new file mode 100644 index 00000000000..b752e217faa --- /dev/null +++ b/Tests/test_file_container.py @@ -0,0 +1,147 @@ +from PIL import ContainerIO, Image + +from .helper import hopper + +TEST_FILE = "Tests/images/dummy.container" + + +def test_sanity(): + dir(Image) + dir(ContainerIO) + + +def test_isatty(): + with hopper() as im: + container = ContainerIO.ContainerIO(im, 0, 0) + + assert container.isatty() is False + + +def test_seek_mode_0(): + # Arrange + mode = 0 + with open(TEST_FILE, "rb") as fh: + container = ContainerIO.ContainerIO(fh, 22, 100) + + # Act + container.seek(33, mode) + container.seek(33, mode) + + # Assert + assert container.tell() == 33 + + +def test_seek_mode_1(): + # Arrange + mode = 1 + with open(TEST_FILE, "rb") as fh: + container = ContainerIO.ContainerIO(fh, 22, 100) + + # Act + container.seek(33, mode) + container.seek(33, mode) + + # Assert + assert container.tell() == 66 + + +def test_seek_mode_2(): + # Arrange + mode = 2 + with open(TEST_FILE, "rb") as fh: + container = ContainerIO.ContainerIO(fh, 22, 100) + + # Act + container.seek(33, mode) + container.seek(33, mode) + + # Assert + assert container.tell() == 100 + + +def test_read_n0(): + # Arrange + for bytesmode in (True, False): + with open(TEST_FILE, "rb" if bytesmode else "r") as fh: + container = ContainerIO.ContainerIO(fh, 22, 100) + + # Act + container.seek(81) + data = container.read() + + # Assert + if bytesmode: + data = data.decode() + assert data == "7\nThis is line 8\n" + + +def test_read_n(): + # Arrange + for bytesmode in (True, False): + with open(TEST_FILE, "rb" if bytesmode else "r") as fh: + container = ContainerIO.ContainerIO(fh, 22, 100) + + # Act + container.seek(81) + data = container.read(3) + + # Assert + if bytesmode: + data = data.decode() + assert data == "7\nT" + + +def test_read_eof(): + # Arrange + for bytesmode in (True, False): + with open(TEST_FILE, "rb" if bytesmode else "r") as fh: + container = ContainerIO.ContainerIO(fh, 22, 100) + + # Act + container.seek(100) + data = container.read() + + # Assert + if bytesmode: + data = data.decode() + assert data == "" + + +def test_readline(): + # Arrange + for bytesmode in (True, False): + with open(TEST_FILE, "rb" if bytesmode else "r") as fh: + container = ContainerIO.ContainerIO(fh, 0, 120) + + # Act + data = container.readline() + + # Assert + if bytesmode: + data = data.decode() + assert data == "This is line 1\n" + + +def test_readlines(): + # Arrange + for bytesmode in (True, False): + expected = [ + "This is line 1\n", + "This is line 2\n", + "This is line 3\n", + "This is line 4\n", + "This is line 5\n", + "This is line 6\n", + "This is line 7\n", + "This is line 8\n", + ] + with open(TEST_FILE, "rb" if bytesmode else "r") as fh: + container = ContainerIO.ContainerIO(fh, 0, 120) + + # Act + data = container.readlines() + + # Assert + if bytesmode: + data = [line.decode() for line in data] + assert data == expected diff --git a/Tests/test_file_cur.py b/Tests/test_file_cur.py index 5ae0e7eff5c..f04a20a220a 100644 --- a/Tests/test_file_cur.py +++ b/Tests/test_file_cur.py @@ -1,34 +1,30 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import Image, CurImagePlugin +from PIL import CurImagePlugin, Image TEST_FILE = "Tests/images/deerstalker.cur" -class TestFileCur(PillowTestCase): - - def test_sanity(self): - im = Image.open(TEST_FILE) - - self.assertEqual(im.size, (32, 32)) - self.assertIsInstance(im, CurImagePlugin.CurImageFile) +def test_sanity(): + with Image.open(TEST_FILE) as im: + assert im.size == (32, 32) + assert isinstance(im, CurImagePlugin.CurImageFile) # Check some pixel colors to ensure image is loaded properly - self.assertEqual(im.getpixel((10, 1)), (0, 0, 0, 0)) - self.assertEqual(im.getpixel((11, 1)), (253, 254, 254, 1)) - self.assertEqual(im.getpixel((16, 16)), (84, 87, 86, 255)) - - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" + assert im.getpixel((10, 1)) == (0, 0, 0, 0) + assert im.getpixel((11, 1)) == (253, 254, 254, 1) + assert im.getpixel((16, 16)) == (84, 87, 86, 255) - self.assertRaises(SyntaxError, - lambda: CurImagePlugin.CurImageFile(invalid_file)) - no_cursors_file = "Tests/images/no_cursors.cur" +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - cur = CurImagePlugin.CurImageFile(TEST_FILE) - cur.fp = open(no_cursors_file, "rb") - self.assertRaises(TypeError, cur._open) + with pytest.raises(SyntaxError): + CurImagePlugin.CurImageFile(invalid_file) + no_cursors_file = "Tests/images/no_cursors.cur" -if __name__ == '__main__': - unittest.main() + cur = CurImagePlugin.CurImageFile(TEST_FILE) + cur.fp.close() + with open(no_cursors_file, "rb") as cur.fp: + with pytest.raises(TypeError): + cur._open() diff --git a/Tests/test_file_dcx.py b/Tests/test_file_dcx.py index 09da3c439af..58d5cbf1a61 100644 --- a/Tests/test_file_dcx.py +++ b/Tests/test_file_dcx.py @@ -1,65 +1,93 @@ -from helper import unittest, PillowTestCase, hopper +import pytest -from PIL import Image, DcxImagePlugin +from PIL import DcxImagePlugin, Image + +from .helper import assert_image_equal, hopper, is_pypy # Created with ImageMagick: convert hopper.ppm hopper.dcx TEST_FILE = "Tests/images/hopper.dcx" -class TestFileDcx(PillowTestCase): - - def test_sanity(self): - # Arrange +def test_sanity(): + # Arrange - # Act - im = Image.open(TEST_FILE) + # Act + with Image.open(TEST_FILE) as im: # Assert - self.assertEqual(im.size, (128, 128)) - self.assertIsInstance(im, DcxImagePlugin.DcxImageFile) + assert im.size == (128, 128) + assert isinstance(im, DcxImagePlugin.DcxImageFile) orig = hopper() - self.assert_image_equal(im, orig) + assert_image_equal(im, orig) + + +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): + im = Image.open(TEST_FILE) + im.load() + + pytest.warns(ResourceWarning, open) - def test_invalid_file(self): - with open("Tests/images/flower.jpg", "rb") as fp: - self.assertRaises(SyntaxError, - lambda: DcxImagePlugin.DcxImageFile(fp)) - def test_tell(self): - # Arrange +def test_closed_file(): + with pytest.warns(None) as record: im = Image.open(TEST_FILE) + im.load() + im.close() + + assert not record + + +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(TEST_FILE) as im: + im.load() + + assert not record + + +def test_invalid_file(): + with open("Tests/images/flower.jpg", "rb") as fp: + with pytest.raises(SyntaxError): + DcxImagePlugin.DcxImageFile(fp) + + +def test_tell(): + # Arrange + with Image.open(TEST_FILE) as im: # Act frame = im.tell() # Assert - self.assertEqual(frame, 0) + assert frame == 0 - def test_n_frames(self): - im = Image.open(TEST_FILE) - self.assertEqual(im.n_frames, 1) - self.assertFalse(im.is_animated) - def test_eoferror(self): - im = Image.open(TEST_FILE) +def test_n_frames(): + with Image.open(TEST_FILE) as im: + assert im.n_frames == 1 + assert not im.is_animated + +def test_eoferror(): + with Image.open(TEST_FILE) as im: n_frames = im.n_frames - while True: - n_frames -= 1 - try: - im.seek(n_frames) - break - except EOFError: - self.assertTrue(im.tell() < n_frames) - - def test_seek_too_far(self): - # Arrange - im = Image.open(TEST_FILE) - frame = 999 # too big on purpose - # Act / Assert - self.assertRaises(EOFError, lambda: im.seek(frame)) + # Test seeking past the last frame + with pytest.raises(EOFError): + im.seek(n_frames) + assert im.tell() < n_frames + # Test that seeking to the last frame does not raise an error + im.seek(n_frames - 1) + + +def test_seek_too_far(): + # Arrange + with Image.open(TEST_FILE) as im: + frame = 999 # too big on purpose -if __name__ == '__main__': - unittest.main() + # Act / Assert + with pytest.raises(EOFError): + im.seek(frame) diff --git a/Tests/test_file_dds.py b/Tests/test_file_dds.py index 89d265ec27f..2f46ed77e0c 100644 --- a/Tests/test_file_dds.py +++ b/Tests/test_file_dds.py @@ -1,115 +1,268 @@ +"""Test DdsImagePlugin""" from io import BytesIO -from helper import unittest, PillowTestCase -from PIL import Image, DdsImagePlugin +import pytest + +from PIL import DdsImagePlugin, Image + +from .helper import assert_image_equal, assert_image_equal_tofile, hopper TEST_FILE_DXT1 = "Tests/images/dxt1-rgb-4bbp-noalpha_MipMaps-1.dds" TEST_FILE_DXT3 = "Tests/images/dxt3-argb-8bbp-explicitalpha_MipMaps-1.dds" TEST_FILE_DXT5 = "Tests/images/dxt5-argb-8bbp-interpolatedalpha_MipMaps-1.dds" +TEST_FILE_DX10_BC5_TYPELESS = "Tests/images/bc5_typeless.dds" +TEST_FILE_DX10_BC5_UNORM = "Tests/images/bc5_unorm.dds" +TEST_FILE_DX10_BC5_SNORM = "Tests/images/bc5_snorm.dds" +TEST_FILE_BC5S = "Tests/images/bc5s.dds" TEST_FILE_DX10_BC7 = "Tests/images/bc7-argb-8bpp_MipMaps-1.dds" +TEST_FILE_DX10_BC7_UNORM_SRGB = "Tests/images/DXGI_FORMAT_BC7_UNORM_SRGB.dds" +TEST_FILE_DX10_R8G8B8A8 = "Tests/images/argb-32bpp_MipMaps-1.dds" +TEST_FILE_DX10_R8G8B8A8_UNORM_SRGB = "Tests/images/DXGI_FORMAT_R8G8B8A8_UNORM_SRGB.dds" +TEST_FILE_UNCOMPRESSED_RGB = "Tests/images/hopper.dds" +TEST_FILE_UNCOMPRESSED_RGB_WITH_ALPHA = "Tests/images/uncompressed_rgb.dds" + + +def test_sanity_dxt1(): + """Check DXT1 images can be opened""" + with Image.open(TEST_FILE_DXT1.replace(".dds", ".png")) as target: + target = target.convert("RGBA") + with Image.open(TEST_FILE_DXT1) as im: + im.load() + + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (256, 256) + + assert_image_equal(im, target) + + +def test_sanity_dxt3(): + """Check DXT3 images can be opened""" + + with Image.open(TEST_FILE_DXT3) as im: + im.load() + + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (256, 256) + + assert_image_equal_tofile(im, TEST_FILE_DXT3.replace(".dds", ".png")) + + +def test_sanity_dxt5(): + """Check DXT5 images can be opened""" + + with Image.open(TEST_FILE_DXT5) as im: + im.load() + + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (256, 256) + + assert_image_equal_tofile(im, TEST_FILE_DXT5.replace(".dds", ".png")) + + +@pytest.mark.parametrize( + ("image_path", "expected_path"), + ( + # hexeditted to be typeless + (TEST_FILE_DX10_BC5_TYPELESS, TEST_FILE_DX10_BC5_UNORM), + (TEST_FILE_DX10_BC5_UNORM, TEST_FILE_DX10_BC5_UNORM), + # hexeditted to use DX10 FourCC + (TEST_FILE_DX10_BC5_SNORM, TEST_FILE_BC5S), + (TEST_FILE_BC5S, TEST_FILE_BC5S), + ), +) +def test_dx10_bc5(image_path, expected_path): + """Check DX10 BC5 images can be opened""" + + with Image.open(image_path) as im: + im.load() + + assert im.format == "DDS" + assert im.mode == "RGB" + assert im.size == (256, 256) + assert_image_equal_tofile(im, expected_path.replace(".dds", ".png")) -class TestFileDds(PillowTestCase): - """Test DdsImagePlugin""" - def test_sanity_dxt1(self): - """Check DXT1 images can be opened""" - target = Image.open(TEST_FILE_DXT1.replace('.dds', '.png')) +def test_dx10_bc7(): + """Check DX10 images can be opened""" - im = Image.open(TEST_FILE_DXT1) + with Image.open(TEST_FILE_DX10_BC7) as im: im.load() - self.assertEqual(im.format, "DDS") - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (256, 256)) + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (256, 256) - self.assert_image_equal(target.convert('RGBA'), im) + assert_image_equal_tofile(im, TEST_FILE_DX10_BC7.replace(".dds", ".png")) - def test_sanity_dxt5(self): - """Check DXT5 images can be opened""" - target = Image.open(TEST_FILE_DXT5.replace('.dds', '.png')) +def test_dx10_bc7_unorm_srgb(): + """Check DX10 unsigned normalized integer images can be opened""" - im = Image.open(TEST_FILE_DXT5) + with Image.open(TEST_FILE_DX10_BC7_UNORM_SRGB) as im: im.load() - self.assertEqual(im.format, "DDS") - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (256, 256)) + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (16, 16) + assert im.info["gamma"] == 1 / 2.2 - self.assert_image_equal(target, im) + assert_image_equal_tofile( + im, TEST_FILE_DX10_BC7_UNORM_SRGB.replace(".dds", ".png") + ) - def test_sanity_dxt3(self): - """Check DXT3 images can be opened""" - target = Image.open(TEST_FILE_DXT3.replace('.dds', '.png')) +def test_dx10_r8g8b8a8(): + """Check DX10 images can be opened""" - im = Image.open(TEST_FILE_DXT3) + with Image.open(TEST_FILE_DX10_R8G8B8A8) as im: im.load() - self.assertEqual(im.format, "DDS") - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (256, 256)) + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (256, 256) - self.assert_image_equal(target, im) + assert_image_equal_tofile(im, TEST_FILE_DX10_R8G8B8A8.replace(".dds", ".png")) - def test_dx10_bc7(self): - """Check DX10 images can be opened""" - target = Image.open(TEST_FILE_DX10_BC7.replace('.dds', '.png')) +def test_dx10_r8g8b8a8_unorm_srgb(): + """Check DX10 unsigned normalized integer images can be opened""" - im = Image.open(TEST_FILE_DX10_BC7) + with Image.open(TEST_FILE_DX10_R8G8B8A8_UNORM_SRGB) as im: im.load() - self.assertEqual(im.format, "DDS") - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (256, 256)) + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (16, 16) + assert im.info["gamma"] == 1 / 2.2 - self.assert_image_equal(target, im) + assert_image_equal_tofile( + im, TEST_FILE_DX10_R8G8B8A8_UNORM_SRGB.replace(".dds", ".png") + ) - def test__validate_true(self): - """Check valid prefix""" - # Arrange - prefix = b"DDS etc" - # Act - output = DdsImagePlugin._validate(prefix) +def test_unimplemented_dxgi_format(): + with pytest.raises(NotImplementedError): + with Image.open("Tests/images/unimplemented_dxgi_format.dds"): + pass - # Assert - self.assertTrue(output) - def test__validate_false(self): - """Check invalid prefix""" - # Arrange - prefix = b"something invalid" +def test_uncompressed_rgb(): + """Check uncompressed RGB images can be opened""" - # Act - output = DdsImagePlugin._validate(prefix) + # convert -format dds -define dds:compression=none hopper.jpg hopper.dds + with Image.open(TEST_FILE_UNCOMPRESSED_RGB) as im: + assert im.format == "DDS" + assert im.mode == "RGB" + assert im.size == (128, 128) - # Assert - self.assertFalse(output) + assert_image_equal_tofile(im, "Tests/images/hopper.png") - def test_short_header(self): - """ Check a short header""" - with open(TEST_FILE_DXT5, 'rb') as f: - img_file = f.read() + # Test image with alpha + with Image.open(TEST_FILE_UNCOMPRESSED_RGB_WITH_ALPHA) as im: + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (800, 600) - def short_header(): - Image.open(BytesIO(img_file[:119])) + assert_image_equal_tofile( + im, TEST_FILE_UNCOMPRESSED_RGB_WITH_ALPHA.replace(".dds", ".png") + ) - self.assertRaises(IOError, short_header) - def test_short_file(self): - """ Check that the appropriate error is thrown for a short file""" +def test__accept_true(): + """Check valid prefix""" + # Arrange + prefix = b"DDS etc" - with open(TEST_FILE_DXT5, 'rb') as f: - img_file = f.read() + # Act + output = DdsImagePlugin._accept(prefix) - def short_file(): - im = Image.open(BytesIO(img_file[:-100])) + # Assert + assert output + + +def test__accept_false(): + """Check invalid prefix""" + # Arrange + prefix = b"something invalid" + + # Act + output = DdsImagePlugin._accept(prefix) + + # Assert + assert not output + + +def test_short_header(): + """Check a short header""" + with open(TEST_FILE_DXT5, "rb") as f: + img_file = f.read() + + def short_header(): + with Image.open(BytesIO(img_file[:119])): + pass # pragma: no cover + + with pytest.raises(OSError): + short_header() + + +def test_short_file(): + """Check that the appropriate error is thrown for a short file""" + + with open(TEST_FILE_DXT5, "rb") as f: + img_file = f.read() + + def short_file(): + with Image.open(BytesIO(img_file[:-100])) as im: im.load() - self.assertRaises(IOError, short_file) + with pytest.raises(OSError): + short_file() + + +def test_dxt5_colorblock_alpha_issue_4142(): + """Check that colorblocks are decoded correctly in DXT5""" + + with Image.open("Tests/images/dxt5-colorblock-alpha-issue-4142.dds") as im: + px = im.getpixel((0, 0)) + assert px[0] != 0 + assert px[1] != 0 + assert px[2] != 0 + + px = im.getpixel((1, 0)) + assert px[0] != 0 + assert px[1] != 0 + assert px[2] != 0 + + +def test_unimplemented_pixel_format(): + with pytest.raises(NotImplementedError): + with Image.open("Tests/images/unimplemented_pixel_format.dds"): + pass + + +def test_save_unsupported_mode(tmp_path): + out = str(tmp_path / "temp.dds") + im = hopper("HSV") + with pytest.raises(OSError): + im.save(out) + + +@pytest.mark.parametrize( + ("mode", "test_file"), + [ + ("RGB", "Tests/images/hopper.png"), + ("RGBA", "Tests/images/pil123rgba.png"), + ], +) +def test_save(mode, test_file, tmp_path): + out = str(tmp_path / "temp.dds") + with Image.open(test_file) as im: + assert im.mode == mode + im.save(out) -if __name__ == '__main__': - unittest.main() + with Image.open(out) as reloaded: + assert_image_equal(im, reloaded) diff --git a/Tests/test_file_eps.py b/Tests/test_file_eps.py index c16d2669c0b..4c0b96f7376 100644 --- a/Tests/test_file_eps.py +++ b/Tests/test_file_eps.py @@ -1,268 +1,292 @@ -from helper import unittest, PillowTestCase - -from PIL import Image, EpsImagePlugin import io +import pytest + +from PIL import EpsImagePlugin, Image, features + +from .helper import ( + assert_image_similar, + assert_image_similar_tofile, + hopper, + mark_if_feature_version, + skip_unless_feature, +) + +HAS_GHOSTSCRIPT = EpsImagePlugin.has_ghostscript() + # Our two EPS test files (they are identical except for their bounding boxes) -file1 = "Tests/images/zero_bb.eps" -file2 = "Tests/images/non_zero_bb.eps" +FILE1 = "Tests/images/zero_bb.eps" +FILE2 = "Tests/images/non_zero_bb.eps" # Due to palletization, we'll need to convert these to RGB after load -file1_compare = "Tests/images/zero_bb.png" -file1_compare_scale2 = "Tests/images/zero_bb_scale2.png" +FILE1_COMPARE = "Tests/images/zero_bb.png" +FILE1_COMPARE_SCALE2 = "Tests/images/zero_bb_scale2.png" -file2_compare = "Tests/images/non_zero_bb.png" -file2_compare_scale2 = "Tests/images/non_zero_bb_scale2.png" +FILE2_COMPARE = "Tests/images/non_zero_bb.png" +FILE2_COMPARE_SCALE2 = "Tests/images/non_zero_bb_scale2.png" # EPS test files with binary preview -file3 = "Tests/images/binary_preview_map.eps" - +FILE3 = "Tests/images/binary_preview_map.eps" -class TestFileEps(PillowTestCase): - def setUp(self): - if not EpsImagePlugin.has_ghostscript(): - self.skipTest("Ghostscript not available") - - def test_sanity(self): - # Regular scale - image1 = Image.open(file1) +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_sanity(): + # Regular scale + with Image.open(FILE1) as image1: image1.load() - self.assertEqual(image1.mode, "RGB") - self.assertEqual(image1.size, (460, 352)) - self.assertEqual(image1.format, "EPS") + assert image1.mode == "RGB" + assert image1.size == (460, 352) + assert image1.format == "EPS" - image2 = Image.open(file2) + with Image.open(FILE2) as image2: image2.load() - self.assertEqual(image2.mode, "RGB") - self.assertEqual(image2.size, (360, 252)) - self.assertEqual(image2.format, "EPS") + assert image2.mode == "RGB" + assert image2.size == (360, 252) + assert image2.format == "EPS" - # Double scale - image1_scale2 = Image.open(file1) + # Double scale + with Image.open(FILE1) as image1_scale2: image1_scale2.load(scale=2) - self.assertEqual(image1_scale2.mode, "RGB") - self.assertEqual(image1_scale2.size, (920, 704)) - self.assertEqual(image1_scale2.format, "EPS") + assert image1_scale2.mode == "RGB" + assert image1_scale2.size == (920, 704) + assert image1_scale2.format == "EPS" - image2_scale2 = Image.open(file2) + with Image.open(FILE2) as image2_scale2: image2_scale2.load(scale=2) - self.assertEqual(image2_scale2.mode, "RGB") - self.assertEqual(image2_scale2.size, (720, 504)) - self.assertEqual(image2_scale2.format, "EPS") + assert image2_scale2.mode == "RGB" + assert image2_scale2.size == (720, 504) + assert image2_scale2.format == "EPS" + + +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" + with pytest.raises(SyntaxError): + EpsImagePlugin.EpsImageFile(invalid_file) - self.assertRaises(SyntaxError, - lambda: EpsImagePlugin.EpsImageFile(invalid_file)) - def test_cmyk(self): - cmyk_image = Image.open("Tests/images/pil_sample_cmyk.eps") +@mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" +) +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_cmyk(): + with Image.open("Tests/images/pil_sample_cmyk.eps") as cmyk_image: - self.assertEqual(cmyk_image.mode, "CMYK") - self.assertEqual(cmyk_image.size, (100, 100)) - self.assertEqual(cmyk_image.format, "EPS") + assert cmyk_image.mode == "CMYK" + assert cmyk_image.size == (100, 100) + assert cmyk_image.format == "EPS" cmyk_image.load() - self.assertEqual(cmyk_image.mode, "RGB") + assert cmyk_image.mode == "RGB" + + if features.check("jpg"): + assert_image_similar_tofile( + cmyk_image, "Tests/images/pil_sample_rgb.jpg", 10 + ) + - if 'jpeg_decoder' in dir(Image.core): - target = Image.open('Tests/images/pil_sample_rgb.jpg') - self.assert_image_similar(cmyk_image, target, 10) +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_showpage(): + # See https://github.com/python-pillow/Pillow/issues/2615 + with Image.open("Tests/images/reqd_showpage.eps") as plot_image: + with Image.open("Tests/images/reqd_showpage.png") as target: + # should not crash/hang + plot_image.load() + # fonts could be slightly different + assert_image_similar(plot_image, target, 6) - def test_file_object(self): - # issue 479 - image1 = Image.open(file1) - with open(self.tempfile('temp_file.eps'), 'wb') as fh: - image1.save(fh, 'EPS') - def test_iobase_object(self): - # issue 479 - image1 = Image.open(file1) - with io.open(self.tempfile('temp_iobase.eps'), 'wb') as fh: - image1.save(fh, 'EPS') +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_transparency(): + with Image.open("Tests/images/reqd_showpage.eps") as plot_image: + plot_image.load(transparency=True) + assert plot_image.mode == "RGBA" - def test_bytesio_object(self): - with open(file1, 'rb') as f: - img_bytes = io.BytesIO(f.read()) + with Image.open("Tests/images/reqd_showpage_transparency.png") as target: + # fonts could be slightly different + assert_image_similar(plot_image, target, 6) - img = Image.open(img_bytes) + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_file_object(tmp_path): + # issue 479 + with Image.open(FILE1) as image1: + with open(str(tmp_path / "temp.eps"), "wb") as fh: + image1.save(fh, "EPS") + + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_iobase_object(tmp_path): + # issue 479 + with Image.open(FILE1) as image1: + with open(str(tmp_path / "temp_iobase.eps"), "wb") as fh: + image1.save(fh, "EPS") + + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_bytesio_object(): + with open(FILE1, "rb") as f: + img_bytes = io.BytesIO(f.read()) + + with Image.open(img_bytes) as img: img.load() - image1_scale1_compare = Image.open(file1_compare).convert("RGB") + with Image.open(FILE1_COMPARE) as image1_scale1_compare: + image1_scale1_compare = image1_scale1_compare.convert("RGB") image1_scale1_compare.load() - self.assert_image_similar(img, image1_scale1_compare, 5) + assert_image_similar(img, image1_scale1_compare, 5) + + +def test_image_mode_not_supported(tmp_path): + im = hopper("RGBA") + tmpfile = str(tmp_path / "temp.eps") + with pytest.raises(ValueError): + im.save(tmpfile) - def test_render_scale1(self): - # We need png support for these render test - codecs = dir(Image.core) - if "zip_encoder" not in codecs or "zip_decoder" not in codecs: - self.skipTest("zip/deflate support not available") - # Zero bounding box - image1_scale1 = Image.open(file1) +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +@skip_unless_feature("zlib") +def test_render_scale1(): + # We need png support for these render test + + # Zero bounding box + with Image.open(FILE1) as image1_scale1: image1_scale1.load() - image1_scale1_compare = Image.open(file1_compare).convert("RGB") + with Image.open(FILE1_COMPARE) as image1_scale1_compare: + image1_scale1_compare = image1_scale1_compare.convert("RGB") image1_scale1_compare.load() - self.assert_image_similar(image1_scale1, image1_scale1_compare, 5) + assert_image_similar(image1_scale1, image1_scale1_compare, 5) - # Non-Zero bounding box - image2_scale1 = Image.open(file2) + # Non-Zero bounding box + with Image.open(FILE2) as image2_scale1: image2_scale1.load() - image2_scale1_compare = Image.open(file2_compare).convert("RGB") + with Image.open(FILE2_COMPARE) as image2_scale1_compare: + image2_scale1_compare = image2_scale1_compare.convert("RGB") image2_scale1_compare.load() - self.assert_image_similar(image2_scale1, image2_scale1_compare, 10) + assert_image_similar(image2_scale1, image2_scale1_compare, 10) + - def test_render_scale2(self): - # We need png support for these render test - codecs = dir(Image.core) - if "zip_encoder" not in codecs or "zip_decoder" not in codecs: - self.skipTest("zip/deflate support not available") +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +@skip_unless_feature("zlib") +def test_render_scale2(): + # We need png support for these render test - # Zero bounding box - image1_scale2 = Image.open(file1) + # Zero bounding box + with Image.open(FILE1) as image1_scale2: image1_scale2.load(scale=2) - image1_scale2_compare = Image.open(file1_compare_scale2).convert("RGB") + with Image.open(FILE1_COMPARE_SCALE2) as image1_scale2_compare: + image1_scale2_compare = image1_scale2_compare.convert("RGB") image1_scale2_compare.load() - self.assert_image_similar(image1_scale2, image1_scale2_compare, 5) + assert_image_similar(image1_scale2, image1_scale2_compare, 5) - # Non-Zero bounding box - image2_scale2 = Image.open(file2) + # Non-Zero bounding box + with Image.open(FILE2) as image2_scale2: image2_scale2.load(scale=2) - image2_scale2_compare = Image.open(file2_compare_scale2).convert("RGB") + with Image.open(FILE2_COMPARE_SCALE2) as image2_scale2_compare: + image2_scale2_compare = image2_scale2_compare.convert("RGB") image2_scale2_compare.load() - self.assert_image_similar(image2_scale2, image2_scale2_compare, 10) - - def test_resize(self): - # Arrange - image1 = Image.open(file1) - image2 = Image.open(file2) - image3 = Image.open("Tests/images/illu10_preview.eps") - new_size = (100, 100) - - # Act - image1 = image1.resize(new_size) - image2 = image2.resize(new_size) - image3 = image3.resize(new_size) - - # Assert - self.assertEqual(image1.size, new_size) - self.assertEqual(image2.size, new_size) - self.assertEqual(image3.size, new_size) - - def test_thumbnail(self): - # Issue #619 - # Arrange - image1 = Image.open(file1) - image2 = Image.open(file2) - new_size = (100, 100) - - # Act - image1.thumbnail(new_size) - image2.thumbnail(new_size) - - # Assert - self.assertEqual(max(image1.size), max(new_size)) - self.assertEqual(max(image2.size), max(new_size)) - - def test_read_binary_preview(self): - # Issue 302 - # open image with binary preview - Image.open(file3) - - def _test_readline(self, t, ending): - ending = "Failure with line ending: %s" % ("".join( - "%s" % ord(s) - for s in ending)) - self.assertEqual(t.readline().strip('\r\n'), 'something', ending) - self.assertEqual(t.readline().strip('\r\n'), 'else', ending) - self.assertEqual(t.readline().strip('\r\n'), 'baz', ending) - self.assertEqual(t.readline().strip('\r\n'), 'bif', ending) - - def _test_readline_stringio(self, test_string, ending): - # check all the freaking line endings possible - try: - import StringIO - except ImportError: - # don't skip, it skips everything in the parent test - return - t = StringIO.StringIO(test_string) - self._test_readline(t, ending) - - def _test_readline_io(self, test_string, ending): - if str is bytes: - t = io.StringIO(unicode(test_string)) - else: - t = io.StringIO(test_string) - self._test_readline(t, ending) - - def _test_readline_file_universal(self, test_string, ending): - f = self.tempfile('temp.txt') - with open(f, 'wb') as w: - if str is bytes: - w.write(test_string) - else: - w.write(test_string.encode('UTF-8')) - - with open(f, 'rU') as t: - self._test_readline(t, ending) - - def _test_readline_file_psfile(self, test_string, ending): - f = self.tempfile('temp.txt') - with open(f, 'wb') as w: - if str is bytes: - w.write(test_string) - else: - w.write(test_string.encode('UTF-8')) - - with open(f, 'rb') as r: + assert_image_similar(image2_scale2, image2_scale2_compare, 10) + + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_resize(): + files = [FILE1, FILE2, "Tests/images/illu10_preview.eps"] + for fn in files: + with Image.open(fn) as im: + new_size = (100, 100) + im = im.resize(new_size) + assert im.size == new_size + + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_thumbnail(): + # Issue #619 + # Arrange + files = [FILE1, FILE2] + for fn in files: + with Image.open(FILE1) as im: + new_size = (100, 100) + im.thumbnail(new_size) + assert max(im.size) == max(new_size) + + +def test_read_binary_preview(): + # Issue 302 + # open image with binary preview + with Image.open(FILE3): + pass + + +def test_readline(tmp_path): + # check all the freaking line endings possible from the spec + # test_string = u'something\r\nelse\n\rbaz\rbif\n' + line_endings = ["\r\n", "\n", "\n\r", "\r"] + strings = ["something", "else", "baz", "bif"] + + def _test_readline(t, ending): + ending = "Failure with line ending: %s" % ( + "".join("%s" % ord(s) for s in ending) + ) + assert t.readline().strip("\r\n") == "something", ending + assert t.readline().strip("\r\n") == "else", ending + assert t.readline().strip("\r\n") == "baz", ending + assert t.readline().strip("\r\n") == "bif", ending + + def _test_readline_io_psfile(test_string, ending): + f = io.BytesIO(test_string.encode("latin-1")) + t = EpsImagePlugin.PSFile(f) + _test_readline(t, ending) + + def _test_readline_file_psfile(test_string, ending): + f = str(tmp_path / "temp.txt") + with open(f, "wb") as w: + w.write(test_string.encode("latin-1")) + + with open(f, "rb") as r: t = EpsImagePlugin.PSFile(r) - self._test_readline(t, ending) - - def test_readline(self): - # check all the freaking line endings possible from the spec - # test_string = u'something\r\nelse\n\rbaz\rbif\n' - line_endings = ['\r\n', '\n'] - not_working_endings = ['\n\r', '\r'] - strings = ['something', 'else', 'baz', 'bif'] - - for ending in line_endings: - s = ending.join(strings) - # Native Python versions will pass these endings. - # self._test_readline_stringio(s, ending) - # self._test_readline_io(s, ending) - # self._test_readline_file_universal(s, ending) - - self._test_readline_file_psfile(s, ending) - - for ending in not_working_endings: - # these only work with the PSFile, while they're in spec, - # they're not likely to be used - s = ending.join(strings) - - # Native Python versions may fail on these endings. - # self._test_readline_stringio(s, ending) - # self._test_readline_io(s, ending) - # self._test_readline_file_universal(s, ending) - - self._test_readline_file_psfile(s, ending) - - def test_open_eps(self): - # https://github.com/python-pillow/Pillow/issues/1104 - # Arrange - FILES = ["Tests/images/illu10_no_preview.eps", - "Tests/images/illu10_preview.eps", - "Tests/images/illuCS6_no_preview.eps", - "Tests/images/illuCS6_preview.eps"] - - # Act - for filename in FILES: - img = Image.open(filename) - - # Assert - self.assertEqual(img.mode, "RGB") - - -if __name__ == '__main__': - unittest.main() + _test_readline(t, ending) + + for ending in line_endings: + s = ending.join(strings) + _test_readline_io_psfile(s, ending) + _test_readline_file_psfile(s, ending) + + +def test_open_eps(): + # https://github.com/python-pillow/Pillow/issues/1104 + # Arrange + FILES = [ + "Tests/images/illu10_no_preview.eps", + "Tests/images/illu10_preview.eps", + "Tests/images/illuCS6_no_preview.eps", + "Tests/images/illuCS6_preview.eps", + ] + + # Act / Assert + for filename in FILES: + with Image.open(filename) as img: + assert img.mode == "RGB" + + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_emptyline(): + # Test file includes an empty line in the header data + emptyline_file = "Tests/images/zero_bb_emptyline.eps" + + with Image.open(emptyline_file) as image: + image.load() + assert image.mode == "RGB" + assert image.size == (460, 352) + assert image.format == "EPS" + + +@pytest.mark.timeout(timeout=5) +@pytest.mark.parametrize( + "test_file", + ["Tests/images/timeout-d675703545fee17acab56e5fec644c19979175de.eps"], +) +def test_timeout(test_file): + with open(test_file, "rb") as f: + with pytest.raises(Image.UnidentifiedImageError): + with Image.open(f): + pass diff --git a/Tests/test_file_fitsstub.py b/Tests/test_file_fitsstub.py index 89e10acf173..c77457947ef 100644 --- a/Tests/test_file_fitsstub.py +++ b/Tests/test_file_fitsstub.py @@ -1,17 +1,63 @@ -from helper import unittest, PillowTestCase +from io import BytesIO -from PIL import FitsStubImagePlugin +import pytest +from PIL import FitsStubImagePlugin, Image -class TestFileFitsStub(PillowTestCase): +TEST_FILE = "Tests/images/hopper.fits" - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: - FitsStubImagePlugin.FITSStubImageFile(invalid_file)) +def test_open(): + # Act + with Image.open(TEST_FILE) as im: + # Assert + assert im.format == "FITS" + assert im.size == (128, 128) + assert im.mode == "L" -if __name__ == '__main__': - unittest.main() + +def test_invalid_file(): + # Arrange + invalid_file = "Tests/images/flower.jpg" + + # Act / Assert + with pytest.raises(SyntaxError): + FitsStubImagePlugin.FITSStubImageFile(invalid_file) + + +def test_load(): + # Arrange + with Image.open(TEST_FILE) as im: + + # Act / Assert: stub cannot load without an implemented handler + with pytest.raises(OSError): + im.load() + + +def test_truncated_fits(): + # No END to headers + image_data = b"SIMPLE = T" + b" " * 50 + b"TRUNCATE" + with pytest.raises(OSError): + FitsStubImagePlugin.FITSStubImageFile(BytesIO(image_data)) + + +def test_naxis_zero(): + # This test image has been manually hexedited + # to set the number of data axes to zero + with pytest.raises(ValueError): + with Image.open("Tests/images/hopper_naxis_zero.fits"): + pass + + +def test_save(): + # Arrange + with Image.open(TEST_FILE) as im: + dummy_fp = None + dummy_filename = "dummy.filename" + + # Act / Assert: stub cannot save without an implemented handler + with pytest.raises(OSError): + im.save(dummy_filename) + with pytest.raises(OSError): + FitsStubImagePlugin._save(im, dummy_fp, dummy_filename) diff --git a/Tests/test_file_fli.py b/Tests/test_file_fli.py index 5ce4839bc44..675e06bf83c 100644 --- a/Tests/test_file_fli.py +++ b/Tests/test_file_fli.py @@ -1,46 +1,153 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import Image, FliImagePlugin +from PIL import FliImagePlugin, Image + +from .helper import assert_image_equal_tofile, is_pypy -# sample ppm stream # created as an export of a palette image from Gimp2.6 # save as...-> hopper.fli, default options. -test_file = "Tests/images/hopper.fli" -data = open(test_file, "rb").read() +static_test_file = "Tests/images/hopper.fli" + +# From https://samples.libav.org/fli-flc/ +animated_test_file = "Tests/images/a.fli" + + +def test_sanity(): + with Image.open(static_test_file) as im: + im.load() + assert im.mode == "P" + assert im.size == (128, 128) + assert im.format == "FLI" + assert not im.is_animated + + with Image.open(animated_test_file) as im: + assert im.mode == "P" + assert im.size == (320, 200) + assert im.format == "FLI" + assert im.info["duration"] == 71 + assert im.is_animated + + +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): + im = Image.open(static_test_file) + im.load() + pytest.warns(ResourceWarning, open) -class TestFileFli(PillowTestCase): - def test_sanity(self): - im = Image.open(test_file) +def test_closed_file(): + with pytest.warns(None) as record: + im = Image.open(static_test_file) im.load() - self.assertEqual(im.mode, "P") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "FLI") + im.close() + + assert not record + + +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(static_test_file) as im: + im.load() + + assert not record + + +def test_tell(): + # Arrange + with Image.open(static_test_file) as im: + + # Act + frame = im.tell() + + # Assert + assert frame == 0 - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: FliImagePlugin.FliImageFile(invalid_file)) +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - def test_n_frames(self): - im = Image.open(test_file) - self.assertEqual(im.n_frames, 1) - self.assertFalse(im.is_animated) + with pytest.raises(SyntaxError): + FliImagePlugin.FliImageFile(invalid_file) - def test_eoferror(self): - im = Image.open(test_file) +def test_n_frames(): + with Image.open(static_test_file) as im: + assert im.n_frames == 1 + assert not im.is_animated + + with Image.open(animated_test_file) as im: + assert im.n_frames == 384 + assert im.is_animated + + +def test_eoferror(): + with Image.open(animated_test_file) as im: n_frames = im.n_frames - while True: - n_frames -= 1 - try: - im.seek(n_frames) - break - except EOFError: - self.assertTrue(im.tell() < n_frames) + + # Test seeking past the last frame + with pytest.raises(EOFError): + im.seek(n_frames) + assert im.tell() < n_frames + + # Test that seeking to the last frame does not raise an error + im.seek(n_frames - 1) + + +def test_seek_tell(): + with Image.open(animated_test_file) as im: + + layer_number = im.tell() + assert layer_number == 0 + + im.seek(0) + layer_number = im.tell() + assert layer_number == 0 + + im.seek(1) + layer_number = im.tell() + assert layer_number == 1 + + im.seek(2) + layer_number = im.tell() + assert layer_number == 2 + + im.seek(1) + layer_number = im.tell() + assert layer_number == 1 + + +def test_seek(): + with Image.open(animated_test_file) as im: + im.seek(50) + + assert_image_equal_tofile(im, "Tests/images/a_fli.png") + + +@pytest.mark.parametrize( + "test_file", + [ + "Tests/images/timeout-9139147ce93e20eb14088fe238e541443ffd64b3.fli", + "Tests/images/timeout-bff0a9dc7243a8e6ede2408d2ffa6a9964698b87.fli", + ], +) +@pytest.mark.timeout(timeout=3) +def test_timeouts(test_file): + with open(test_file, "rb") as f: + with Image.open(f) as im: + with pytest.raises(OSError): + im.load() -if __name__ == '__main__': - unittest.main() +@pytest.mark.parametrize( + "test_file", + [ + "Tests/images/crash-5762152299364352.fli", + ], +) +def test_crash(test_file): + with open(test_file, "rb") as f: + with Image.open(f) as im: + with pytest.raises(OSError): + im.load() diff --git a/Tests/test_file_fpx.py b/Tests/test_file_fpx.py index e2b472ca66c..818565f88b3 100644 --- a/Tests/test_file_fpx.py +++ b/Tests/test_file_fpx.py @@ -1,21 +1,25 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import FpxImagePlugin +from PIL import Image +FpxImagePlugin = pytest.importorskip( + "PIL.FpxImagePlugin", reason="olefile not installed" +) -class TestFileFpx(PillowTestCase): - def test_invalid_file(self): - # Test an invalid OLE file - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: FpxImagePlugin.FpxImageFile(invalid_file)) +def test_invalid_file(): + # Test an invalid OLE file + invalid_file = "Tests/images/flower.jpg" + with pytest.raises(SyntaxError): + FpxImagePlugin.FpxImageFile(invalid_file) - # Test a valid OLE file, but not an FPX file - ole_file = "Tests/images/test-ole-file.doc" - self.assertRaises(SyntaxError, - lambda: FpxImagePlugin.FpxImageFile(ole_file)) + # Test a valid OLE file, but not an FPX file + ole_file = "Tests/images/test-ole-file.doc" + with pytest.raises(SyntaxError): + FpxImagePlugin.FpxImageFile(ole_file) -if __name__ == '__main__': - unittest.main() +def test_fpx_invalid_number_of_bands(): + with pytest.raises(OSError, match="Invalid number of bands"): + with Image.open("Tests/images/input_bw_five_bands.fpx"): + pass diff --git a/Tests/test_file_ftex.py b/Tests/test_file_ftex.py index ed1116ad591..f76fd895a58 100644 --- a/Tests/test_file_ftex.py +++ b/Tests/test_file_ftex.py @@ -1,19 +1,14 @@ -from helper import unittest, PillowTestCase from PIL import Image +from .helper import assert_image_equal_tofile, assert_image_similar -class TestFileFtex(PillowTestCase): - def test_load_raw(self): - im = Image.open('Tests/images/ftex_uncompressed.ftu') - target = Image.open('Tests/images/ftex_uncompressed.png') +def test_load_raw(): + with Image.open("Tests/images/ftex_uncompressed.ftu") as im: + assert_image_equal_tofile(im, "Tests/images/ftex_uncompressed.png") - self.assert_image_equal(im, target) - def test_load_dxt1(self): - im = Image.open('Tests/images/ftex_dxt1.ftc') - target = Image.open('Tests/images/ftex_dxt1.png') - self.assert_image_similar(im, target.convert('RGBA'), 15) - -if __name__ == '__main__': - unittest.main() +def test_load_dxt1(): + with Image.open("Tests/images/ftex_dxt1.ftc") as im: + with Image.open("Tests/images/ftex_dxt1.png") as target: + assert_image_similar(im, target.convert("RGBA"), 15) diff --git a/Tests/test_file_gbr.py b/Tests/test_file_gbr.py index 97b2e97b3b7..8d7fcf14779 100644 --- a/Tests/test_file_gbr.py +++ b/Tests/test_file_gbr.py @@ -1,22 +1,24 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import Image, GbrImagePlugin +from PIL import GbrImagePlugin, Image +from .helper import assert_image_equal_tofile -class TestFileGbr(PillowTestCase): - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: GbrImagePlugin.GbrImageFile(invalid_file)) + with pytest.raises(SyntaxError): + GbrImagePlugin.GbrImageFile(invalid_file) - def test_gbr_file(self): - im = Image.open('Tests/images/gbr.gbr') - target = Image.open('Tests/images/gbr.png') +def test_gbr_file(): + with Image.open("Tests/images/gbr.gbr") as im: + assert_image_equal_tofile(im, "Tests/images/gbr.png") - self.assert_image_equal(target, im) -if __name__ == '__main__': - unittest.main() +def test_multiple_load_operations(): + with Image.open("Tests/images/gbr.gbr") as im: + im.load() + im.load() + assert_image_equal_tofile(im, "Tests/images/gbr.png") diff --git a/Tests/test_file_gd.py b/Tests/test_file_gd.py new file mode 100644 index 00000000000..5594e5bbb9e --- /dev/null +++ b/Tests/test_file_gd.py @@ -0,0 +1,23 @@ +import pytest + +from PIL import GdImageFile, UnidentifiedImageError + +TEST_GD_FILE = "Tests/images/hopper.gd" + + +def test_sanity(): + with GdImageFile.open(TEST_GD_FILE) as im: + assert im.size == (128, 128) + assert im.format == "GD" + + +def test_bad_mode(): + with pytest.raises(ValueError): + GdImageFile.open(TEST_GD_FILE, "bad mode") + + +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" + + with pytest.raises(UnidentifiedImageError): + GdImageFile.open(invalid_file) diff --git a/Tests/test_file_gif.py b/Tests/test_file_gif.py index dbe4f34fd08..00bf582fafb 100644 --- a/Tests/test_file_gif.py +++ b/Tests/test_file_gif.py @@ -1,11 +1,17 @@ -from helper import unittest, PillowTestCase, hopper, netpbm_available +from io import BytesIO -from PIL import Image -from PIL import GifImagePlugin +import pytest -from io import BytesIO +from PIL import GifImagePlugin, Image, ImageDraw, ImagePalette, features -codecs = dir(Image.core) +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + hopper, + is_pypy, + netpbm_available, +) # sample gif stream TEST_GIF = "Tests/images/hopper.gif" @@ -14,353 +20,950 @@ data = f.read() -class TestFileGif(PillowTestCase): +def test_sanity(): + with Image.open(TEST_GIF) as im: + im.load() + assert im.mode == "P" + assert im.size == (128, 128) + assert im.format == "GIF" + assert im.info["version"] == b"GIF89a" - def setUp(self): - if "gif_encoder" not in codecs or "gif_decoder" not in codecs: - self.skipTest("gif support not available") # can this happen? - def test_sanity(self): +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): im = Image.open(TEST_GIF) im.load() - self.assertEqual(im.mode, "P") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "GIF") - self.assertEqual(im.info["version"], b"GIF89a") - - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" - - self.assertRaises(SyntaxError, - lambda: GifImagePlugin.GifImageFile(invalid_file)) - - def test_optimize(self): - def test_grayscale(optimize): - im = Image.new("L", (1, 1), 0) - filename = BytesIO() - im.save(filename, "GIF", optimize=optimize) - return len(filename.getvalue()) - - def test_bilevel(optimize): - im = Image.new("1", (1, 1), 0) - test_file = BytesIO() - im.save(test_file, "GIF", optimize=optimize) - return len(test_file.getvalue()) - - self.assertEqual(test_grayscale(0), 800) - self.assertEqual(test_grayscale(1), 38) - self.assertEqual(test_bilevel(0), 800) - self.assertEqual(test_bilevel(1), 800) - - def test_optimize_correctness(self): - # 256 color Palette image, posterize to > 128 and < 128 levels - # Size bigger and smaller than 512x512 - # Check the palette for number of colors allocated. - # Check for correctness after conversion back to RGB - def check(colors, size, expected_palette_length): - # make an image with empty colors in the start of the palette range - im = Image.frombytes('P', (colors,colors), - bytes(bytearray(list(range(256-colors,256))*colors))) - im = im.resize((size,size)) - outfile = BytesIO() - im.save(outfile, 'GIF') - outfile.seek(0) - reloaded = Image.open(outfile) - # check palette length - palette_length = max(i+1 for i,v in enumerate(reloaded.histogram()) if v) - self.assertEqual(expected_palette_length, palette_length) - - self.assert_image_equal(im.convert('RGB'), reloaded.convert('RGB')) + pytest.warns(ResourceWarning, open) + + +def test_closed_file(): + with pytest.warns(None) as record: + im = Image.open(TEST_GIF) + im.load() + im.close() + + assert not record + + +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(TEST_GIF) as im: + im.load() + assert not record - # These do optimize the palette - check(128, 511, 128) - check(64, 511, 64) - check(4, 511, 4) - # These don't optimize the palette - check(128, 513, 256) - check(64, 513, 256) - check(4, 513, 256) +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - # other limits that don't optimize the palette - check(129, 511, 256) - check(255, 511, 256) - check(256, 511, 256) + with pytest.raises(SyntaxError): + GifImagePlugin.GifImageFile(invalid_file) - def test_optimize_full_l(self): - from io import BytesIO - im = Image.frombytes("L", (16, 16), bytes(bytearray(range(256)))) +def test_optimize(): + def test_grayscale(optimize): + im = Image.new("L", (1, 1), 0) + filename = BytesIO() + im.save(filename, "GIF", optimize=optimize) + return len(filename.getvalue()) + + def test_bilevel(optimize): + im = Image.new("1", (1, 1), 0) test_file = BytesIO() - im.save(test_file, "GIF", optimize=True) - self.assertEqual(im.mode, "L") + im.save(test_file, "GIF", optimize=optimize) + return len(test_file.getvalue()) + + assert test_grayscale(0) == 799 + assert test_grayscale(1) == 43 + assert test_bilevel(0) == 799 + assert test_bilevel(1) == 799 + + +def test_optimize_correctness(): + # 256 color Palette image, posterize to > 128 and < 128 levels + # Size bigger and smaller than 512x512 + # Check the palette for number of colors allocated. + # Check for correctness after conversion back to RGB + def check(colors, size, expected_palette_length): + # make an image with empty colors in the start of the palette range + im = Image.frombytes( + "P", (colors, colors), bytes(range(256 - colors, 256)) * colors + ) + im = im.resize((size, size)) + outfile = BytesIO() + im.save(outfile, "GIF") + outfile.seek(0) + with Image.open(outfile) as reloaded: + # check palette length + palette_length = max(i + 1 for i, v in enumerate(reloaded.histogram()) if v) + assert expected_palette_length == palette_length - def test_roundtrip(self): - out = self.tempfile('temp.gif') - im = hopper() - im.save(out) - reread = Image.open(out) + assert_image_equal(im.convert("RGB"), reloaded.convert("RGB")) - self.assert_image_similar(reread.convert('RGB'), im, 50) + # These do optimize the palette + check(128, 511, 128) + check(64, 511, 64) + check(4, 511, 4) - def test_roundtrip2(self): - # see https://github.com/python-pillow/Pillow/issues/403 - out = self.tempfile('temp.gif') - im = Image.open(TEST_GIF) + # These don't optimize the palette + check(128, 513, 256) + check(64, 513, 256) + check(4, 513, 256) + + # Other limits that don't optimize the palette + check(129, 511, 256) + check(255, 511, 256) + check(256, 511, 256) + + +def test_optimize_full_l(): + im = Image.frombytes("L", (16, 16), bytes(range(256))) + test_file = BytesIO() + im.save(test_file, "GIF", optimize=True) + assert im.mode == "L" + + +def test_roundtrip(tmp_path): + out = str(tmp_path / "temp.gif") + im = hopper() + im.save(out) + with Image.open(out) as reread: + + assert_image_similar(reread.convert("RGB"), im, 50) + + +def test_roundtrip2(tmp_path): + # see https://github.com/python-pillow/Pillow/issues/403 + out = str(tmp_path / "temp.gif") + with Image.open(TEST_GIF) as im: im2 = im.copy() im2.save(out) - reread = Image.open(out) + with Image.open(out) as reread: - self.assert_image_similar(reread.convert('RGB'), hopper(), 50) + assert_image_similar(reread.convert("RGB"), hopper(), 50) - def test_roundtrip_save_all(self): - # Single frame image - out = self.tempfile('temp.gif') - im = hopper() - im.save(out, save_all=True) - reread = Image.open(out) - self.assert_image_similar(reread.convert('RGB'), im, 50) +def test_roundtrip_save_all(tmp_path): + # Single frame image + out = str(tmp_path / "temp.gif") + im = hopper() + im.save(out, save_all=True) + with Image.open(out) as reread: - # Multiframe image - im = Image.open("Tests/images/dispose_bgnd.gif") + assert_image_similar(reread.convert("RGB"), im, 50) - out = self.tempfile('temp.gif') + # Multiframe image + with Image.open("Tests/images/dispose_bgnd.gif") as im: + out = str(tmp_path / "temp.gif") im.save(out, save_all=True) - reread = Image.open(out) - self.assertEqual(reread.n_frames, 5) + with Image.open(out) as reread: + assert reread.n_frames == 5 + + +@pytest.mark.parametrize( + "path, mode", + ( + ("Tests/images/dispose_bgnd.gif", "RGB"), + # Hexeditted copy of dispose_bgnd to add transparency + ("Tests/images/dispose_bgnd_rgba.gif", "RGBA"), + ), +) +def test_loading_multiple_palettes(path, mode): + with Image.open(path) as im: + assert im.mode == "P" + first_frame_colors = im.palette.colors.keys() + original_color = im.convert("RGB").load()[0, 0] + + im.seek(1) + assert im.mode == mode + if mode == "RGBA": + im = im.convert("RGB") - def test_headers_saving_for_animated_gifs(self): - important_headers = ['background', 'version', 'duration', 'loop'] - # Multiframe image - im = Image.open("Tests/images/dispose_bgnd.gif") + # Check a color only from the old palette + assert im.load()[0, 0] == original_color - out = self.tempfile('temp.gif') + # Check a color from the new palette + assert im.load()[24, 24] not in first_frame_colors + + +def test_headers_saving_for_animated_gifs(tmp_path): + important_headers = ["background", "version", "duration", "loop"] + # Multiframe image + with Image.open("Tests/images/dispose_bgnd.gif") as im: + + info = im.info.copy() + + out = str(tmp_path / "temp.gif") im.save(out, save_all=True) - reread = Image.open(out) + with Image.open(out) as reread: for header in important_headers: - self.assertEqual( - im.info[header], - reread.info[header] - ) + assert info[header] == reread.info[header] - def test_palette_handling(self): - # see https://github.com/python-pillow/Pillow/issues/513 - im = Image.open(TEST_GIF) - im = im.convert('RGB') +def test_palette_handling(tmp_path): + # see https://github.com/python-pillow/Pillow/issues/513 + + with Image.open(TEST_GIF) as im: + im = im.convert("RGB") im = im.resize((100, 100), Image.LANCZOS) - im2 = im.convert('P', palette=Image.ADAPTIVE, colors=256) + im2 = im.convert("P", palette=Image.ADAPTIVE, colors=256) - f = self.tempfile('temp.gif') + f = str(tmp_path / "temp.gif") im2.save(f, optimize=True) - reloaded = Image.open(f) + with Image.open(f) as reloaded: - self.assert_image_similar(im, reloaded.convert('RGB'), 10) + assert_image_similar(im, reloaded.convert("RGB"), 10) - def test_palette_434(self): - # see https://github.com/python-pillow/Pillow/issues/434 - def roundtrip(im, *args, **kwargs): - out = self.tempfile('temp.gif') - im.copy().save(out, *args, **kwargs) - reloaded = Image.open(out) +def test_palette_434(tmp_path): + # see https://github.com/python-pillow/Pillow/issues/434 - return reloaded + def roundtrip(im, *args, **kwargs): + out = str(tmp_path / "temp.gif") + im.copy().save(out, *args, **kwargs) + reloaded = Image.open(out) - orig = "Tests/images/test.colors.gif" - im = Image.open(orig) + return reloaded - self.assert_image_similar(im, roundtrip(im), 1) - self.assert_image_similar(im, roundtrip(im, optimize=True), 1) + orig = "Tests/images/test.colors.gif" + with Image.open(orig) as im: + + with roundtrip(im) as reloaded: + assert_image_similar(im, reloaded, 1) + with roundtrip(im, optimize=True) as reloaded: + assert_image_similar(im, reloaded, 1) im = im.convert("RGB") # check automatic P conversion - reloaded = roundtrip(im).convert('RGB') - self.assert_image_equal(im, reloaded) + with roundtrip(im) as reloaded: + reloaded = reloaded.convert("RGB") + assert_image_equal(im, reloaded) + - @unittest.skipUnless(netpbm_available(), "netpbm not available") - def test_save_netpbm_bmp_mode(self): - img = Image.open(TEST_GIF).convert("RGB") +@pytest.mark.skipif(not netpbm_available(), reason="Netpbm not available") +def test_save_netpbm_bmp_mode(tmp_path): + with Image.open(TEST_GIF) as img: + img = img.convert("RGB") - tempfile = self.tempfile("temp.gif") + tempfile = str(tmp_path / "temp.gif") GifImagePlugin._save_netpbm(img, 0, tempfile) - self.assert_image_similar(img, Image.open(tempfile).convert("RGB"), 0) + with Image.open(tempfile) as reloaded: + assert_image_similar(img, reloaded.convert("RGB"), 0) - @unittest.skipUnless(netpbm_available(), "netpbm not available") - def test_save_netpbm_l_mode(self): - img = Image.open(TEST_GIF).convert("L") - tempfile = self.tempfile("temp.gif") +@pytest.mark.skipif(not netpbm_available(), reason="Netpbm not available") +def test_save_netpbm_l_mode(tmp_path): + with Image.open(TEST_GIF) as img: + img = img.convert("L") + + tempfile = str(tmp_path / "temp.gif") GifImagePlugin._save_netpbm(img, 0, tempfile) - self.assert_image_similar(img, Image.open(tempfile).convert("L"), 0) + with Image.open(tempfile) as reloaded: + assert_image_similar(img, reloaded.convert("L"), 0) + - def test_seek(self): - img = Image.open("Tests/images/dispose_none.gif") - framecount = 0 +def test_seek(): + with Image.open("Tests/images/dispose_none.gif") as img: + frame_count = 0 try: while True: - framecount += 1 + frame_count += 1 img.seek(img.tell() + 1) except EOFError: - self.assertEqual(framecount, 5) + assert frame_count == 5 - def test_n_frames(self): - im = Image.open(TEST_GIF) - self.assertEqual(im.n_frames, 1) - self.assertFalse(im.is_animated) - im = Image.open("Tests/images/iss634.gif") - self.assertEqual(im.n_frames, 42) - self.assertTrue(im.is_animated) +def test_seek_info(): + with Image.open("Tests/images/iss634.gif") as im: + info = im.info.copy() - def test_eoferror(self): - im = Image.open(TEST_GIF) + im.seek(1) + im.seek(0) + + assert im.info == info + +def test_seek_rewind(): + with Image.open("Tests/images/iss634.gif") as im: + im.seek(2) + im.seek(1) + + with Image.open("Tests/images/iss634.gif") as expected: + expected.seek(1) + assert_image_equal(im, expected) + + +def test_n_frames(): + for path, n_frames in [[TEST_GIF, 1], ["Tests/images/iss634.gif", 42]]: + # Test is_animated before n_frames + with Image.open(path) as im: + assert im.is_animated == (n_frames != 1) + + # Test is_animated after n_frames + with Image.open(path) as im: + assert im.n_frames == n_frames + assert im.is_animated == (n_frames != 1) + + +def test_eoferror(): + with Image.open(TEST_GIF) as im: n_frames = im.n_frames - while True: - n_frames -= 1 - try: - im.seek(n_frames) - break - except EOFError: - self.assertTrue(im.tell() < n_frames) - def test_dispose_none(self): - img = Image.open("Tests/images/dispose_none.gif") + # Test seeking past the last frame + with pytest.raises(EOFError): + im.seek(n_frames) + assert im.tell() < n_frames + + # Test that seeking to the last frame does not raise an error + im.seek(n_frames - 1) + + +def test_first_frame_transparency(): + with Image.open("Tests/images/first_frame_transparency.gif") as im: + px = im.load() + assert px[0, 0] == im.info["transparency"] + + +def test_dispose_none(): + with Image.open("Tests/images/dispose_none.gif") as img: try: while True: img.seek(img.tell() + 1) - self.assertEqual(img.disposal_method, 1) + assert img.disposal_method == 1 except EOFError: pass - def test_dispose_background(self): - img = Image.open("Tests/images/dispose_bgnd.gif") + +def test_dispose_none_load_end(): + # Test image created with: + # + # im = Image.open("transparent.gif") + # im_rotated = im.rotate(180) + # im.save("dispose_none_load_end.gif", + # save_all=True, append_images=[im_rotated], disposal=[1,2]) + with Image.open("Tests/images/dispose_none_load_end.gif") as img: + img.seek(1) + + assert_image_equal_tofile(img, "Tests/images/dispose_none_load_end_second.png") + + +def test_dispose_background(): + with Image.open("Tests/images/dispose_bgnd.gif") as img: try: while True: img.seek(img.tell() + 1) - self.assertEqual(img.disposal_method, 2) + assert img.disposal_method == 2 except EOFError: pass - def test_dispose_previous(self): - img = Image.open("Tests/images/dispose_prev.gif") + +def test_dispose_background_transparency(): + with Image.open("Tests/images/dispose_bgnd_transparency.gif") as img: + img.seek(2) + px = img.load() + assert px[35, 30][3] == 0 + + +def test_transparent_dispose(): + expected_colors = [ + (2, 1, 2), + ((0, 255, 24, 255), (0, 0, 255, 255), (0, 255, 24, 255)), + ((0, 0, 0, 0), (0, 0, 255, 255), (0, 0, 0, 0)), + ] + with Image.open("Tests/images/transparent_dispose.gif") as img: + for frame in range(3): + img.seek(frame) + for x in range(3): + color = img.getpixel((x, 0)) + assert color == expected_colors[frame][x] + + +def test_dispose_previous(): + with Image.open("Tests/images/dispose_prev.gif") as img: try: while True: img.seek(img.tell() + 1) - self.assertEqual(img.disposal_method, 3) + assert img.disposal_method == 3 except EOFError: pass - def test_iss634(self): - img = Image.open("Tests/images/iss634.gif") - # seek to the second frame + +def test_dispose_previous_first_frame(): + with Image.open("Tests/images/dispose_prev_first_frame.gif") as im: + im.seek(1) + assert_image_equal_tofile( + im, "Tests/images/dispose_prev_first_frame_seeked.png" + ) + + +def test_previous_frame_loaded(): + with Image.open("Tests/images/dispose_none.gif") as img: + img.load() + img.seek(1) + img.load() + img.seek(2) + with Image.open("Tests/images/dispose_none.gif") as img_skipped: + img_skipped.seek(2) + assert_image_equal(img_skipped, img) + + +def test_save_dispose(tmp_path): + out = str(tmp_path / "temp.gif") + im_list = [ + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#111"), + Image.new("L", (100, 100), "#222"), + ] + for method in range(0, 4): + im_list[0].save(out, save_all=True, append_images=im_list[1:], disposal=method) + with Image.open(out) as img: + for _ in range(2): + img.seek(img.tell() + 1) + assert img.disposal_method == method + + # Check per frame disposal + im_list[0].save( + out, + save_all=True, + append_images=im_list[1:], + disposal=tuple(range(len(im_list))), + ) + + with Image.open(out) as img: + + for i in range(2): + img.seek(img.tell() + 1) + assert img.disposal_method == i + 1 + + +def test_dispose2_palette(tmp_path): + out = str(tmp_path / "temp.gif") + + # Four colors: white, grey, black, red + circles = [(255, 255, 255), (153, 153, 153), (0, 0, 0), (255, 0, 0)] + + im_list = [] + for circle in circles: + # Red background + img = Image.new("RGB", (100, 100), (255, 0, 0)) + + # Circle in center of each frame + d = ImageDraw.Draw(img) + d.ellipse([(40, 40), (60, 60)], fill=circle) + + im_list.append(img) + + im_list[0].save(out, save_all=True, append_images=im_list[1:], disposal=2) + + with Image.open(out) as img: + for i, circle in enumerate(circles): + img.seek(i) + rgb_img = img.convert("RGB") + + # Check top left pixel matches background + assert rgb_img.getpixel((0, 0)) == (255, 0, 0) + + # Center remains red every frame + assert rgb_img.getpixel((50, 50)) == circle + + +def test_dispose2_diff(tmp_path): + out = str(tmp_path / "temp.gif") + + # 4 frames: red/blue, red/red, blue/blue, red/blue + circles = [ + ((255, 0, 0, 255), (0, 0, 255, 255)), + ((255, 0, 0, 255), (255, 0, 0, 255)), + ((0, 0, 255, 255), (0, 0, 255, 255)), + ((255, 0, 0, 255), (0, 0, 255, 255)), + ] + + im_list = [] + for i in range(len(circles)): + # Transparent BG + img = Image.new("RGBA", (100, 100), (255, 255, 255, 0)) + + # Two circles per frame + d = ImageDraw.Draw(img) + d.ellipse([(0, 30), (40, 70)], fill=circles[i][0]) + d.ellipse([(60, 30), (100, 70)], fill=circles[i][1]) + + im_list.append(img) + + im_list[0].save( + out, save_all=True, append_images=im_list[1:], disposal=2, transparency=0 + ) + + with Image.open(out) as img: + for i, colours in enumerate(circles): + img.seek(i) + rgb_img = img.convert("RGBA") + + # Check left circle is correct colour + assert rgb_img.getpixel((20, 50)) == colours[0] + + # Check right circle is correct colour + assert rgb_img.getpixel((80, 50)) == colours[1] + + # Check BG is correct colour + assert rgb_img.getpixel((1, 1)) == (255, 255, 255, 0) + + +def test_dispose2_background(tmp_path): + out = str(tmp_path / "temp.gif") + + im_list = [] + + im = Image.new("P", (100, 100)) + d = ImageDraw.Draw(im) + d.rectangle([(50, 0), (100, 100)], fill="#f00") + d.rectangle([(0, 0), (50, 100)], fill="#0f0") + im_list.append(im) + + im = Image.new("P", (100, 100)) + d = ImageDraw.Draw(im) + d.rectangle([(0, 0), (100, 50)], fill="#f00") + d.rectangle([(0, 50), (100, 100)], fill="#0f0") + im_list.append(im) + + im_list[0].save( + out, save_all=True, append_images=im_list[1:], disposal=[0, 2], background=1 + ) + + with Image.open(out) as im: + im.seek(1) + assert im.getpixel((0, 0)) == (255, 0, 0) + + +def test_transparency_in_second_frame(): + with Image.open("Tests/images/different_transparency.gif") as im: + assert im.info["transparency"] == 0 + + # Seek to the second frame + im.seek(im.tell() + 1) + assert "transparency" not in im.info + + assert_image_equal_tofile(im, "Tests/images/different_transparency_merged.png") + + +def test_no_transparency_in_second_frame(): + with Image.open("Tests/images/iss634.gif") as img: + # Seek to the second frame img.seek(img.tell() + 1) - # all transparent pixels should be replaced with the color from the - # first frame - self.assertEqual(img.histogram()[img.info['transparency']], 0) - - def test_duration(self): - duration = 1000 - - out = self.tempfile('temp.gif') - fp = open(out, "wb") - im = Image.new('L', (100, 100), '#000') - for s in GifImagePlugin.getheader(im)[0] + GifImagePlugin.getdata(im, duration=duration): - fp.write(s) - fp.write(b";") - fp.close() - reread = Image.open(out) - - self.assertEqual(reread.info['duration'], duration) - - def test_number_of_loops(self): - number_of_loops = 2 - - out = self.tempfile('temp.gif') - fp = open(out, "wb") - im = Image.new('L', (100, 100), '#000') - for s in GifImagePlugin.getheader(im)[0] + GifImagePlugin.getdata(im, loop=number_of_loops): - fp.write(s) - fp.write(b";") - fp.close() - reread = Image.open(out) - - self.assertEqual(reread.info['loop'], number_of_loops) - - def test_background(self): - out = self.tempfile('temp.gif') - im = Image.new('L', (100, 100), '#000') - im.info['background'] = 1 - im.save(out) - reread = Image.open(out) + assert "transparency" not in img.info - self.assertEqual(reread.info['background'], im.info['background']) + # All transparent pixels should be replaced with the color from the first frame + assert img.histogram()[255] == 0 - def test_comment(self): - im = Image.open(TEST_GIF) - self.assertEqual(im.info['comment'], b"File written by Adobe Photoshop\xa8 4.0") - out = self.tempfile('temp.gif') - im = Image.new('L', (100, 100), '#000') - im.info['comment'] = b"Test comment text" - im.save(out) - reread = Image.open(out) +def test_duration(tmp_path): + duration = 1000 - self.assertEqual(reread.info['comment'], im.info['comment']) + out = str(tmp_path / "temp.gif") + im = Image.new("L", (100, 100), "#000") - def test_version(self): - out = self.tempfile('temp.gif') + # Check that the argument has priority over the info settings + im.info["duration"] = 100 + im.save(out, duration=duration) - # Test that GIF87a is used by default - im = Image.new('L', (100, 100), '#000') - im.save(out) - reread = Image.open(out) - self.assertEqual(reread.info["version"], b"GIF87a") + with Image.open(out) as reread: + assert reread.info["duration"] == duration - # Test that adding a GIF89a feature changes the version - im.info["transparency"] = 1 - im.save(out) - reread = Image.open(out) - self.assertEqual(reread.info["version"], b"GIF89a") - # Test that a GIF87a image is also saved in that format - im = Image.open("Tests/images/test.colors.gif") +def test_multiple_duration(tmp_path): + duration_list = [1000, 2000, 3000] + + out = str(tmp_path / "temp.gif") + im_list = [ + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#111"), + Image.new("L", (100, 100), "#222"), + ] + + # Duration as list + im_list[0].save( + out, save_all=True, append_images=im_list[1:], duration=duration_list + ) + with Image.open(out) as reread: + + for duration in duration_list: + assert reread.info["duration"] == duration + try: + reread.seek(reread.tell() + 1) + except EOFError: + pass + + # Duration as tuple + im_list[0].save( + out, save_all=True, append_images=im_list[1:], duration=tuple(duration_list) + ) + with Image.open(out) as reread: + + for duration in duration_list: + assert reread.info["duration"] == duration + try: + reread.seek(reread.tell() + 1) + except EOFError: + pass + + +def test_identical_frames(tmp_path): + duration_list = [1000, 1500, 2000, 4000] + + out = str(tmp_path / "temp.gif") + im_list = [ + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#111"), + ] + + # Duration as list + im_list[0].save( + out, save_all=True, append_images=im_list[1:], duration=duration_list + ) + with Image.open(out) as reread: + + # Assert that the first three frames were combined + assert reread.n_frames == 2 + + # Assert that the new duration is the total of the identical frames + assert reread.info["duration"] == 4500 + + +def test_identical_frames_to_single_frame(tmp_path): + for duration in ([1000, 1500, 2000, 4000], (1000, 1500, 2000, 4000), 8500): + out = str(tmp_path / "temp.gif") + im_list = [ + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#000"), + ] + + im_list[0].save( + out, save_all=True, append_images=im_list[1:], duration=duration + ) + with Image.open(out) as reread: + # Assert that all frames were combined + assert reread.n_frames == 1 + + # Assert that the new duration is the total of the identical frames + assert reread.info["duration"] == 8500 + + +def test_number_of_loops(tmp_path): + number_of_loops = 2 + + out = str(tmp_path / "temp.gif") + im = Image.new("L", (100, 100), "#000") + im.save(out, loop=number_of_loops) + with Image.open(out) as reread: + + assert reread.info["loop"] == number_of_loops + + +def test_background(tmp_path): + out = str(tmp_path / "temp.gif") + im = Image.new("L", (100, 100), "#000") + im.info["background"] = 1 + im.save(out) + with Image.open(out) as reread: + + assert reread.info["background"] == im.info["background"] + + if features.check("webp") and features.check("webp_anim"): + with Image.open("Tests/images/hopper.webp") as im: + assert isinstance(im.info["background"], tuple) + im.save(out) + + +def test_comment(tmp_path): + with Image.open(TEST_GIF) as im: + assert im.info["comment"] == b"File written by Adobe Photoshop\xa8 4.0" + + out = str(tmp_path / "temp.gif") + im = Image.new("L", (100, 100), "#000") + im.info["comment"] = b"Test comment text" + im.save(out) + with Image.open(out) as reread: + assert reread.info["comment"] == im.info["comment"] + + im.info["comment"] = "Test comment text" + im.save(out) + with Image.open(out) as reread: + assert reread.info["comment"] == im.info["comment"].encode() + + +def test_comment_over_255(tmp_path): + out = str(tmp_path / "temp.gif") + im = Image.new("L", (100, 100), "#000") + comment = b"Test comment text" + while len(comment) < 256: + comment += comment + im.info["comment"] = comment + im.save(out) + with Image.open(out) as reread: + + assert reread.info["comment"] == comment + + +def test_zero_comment_subblocks(): + with Image.open("Tests/images/hopper_zero_comment_subblocks.gif") as im: + assert_image_equal_tofile(im, TEST_GIF) + + +def test_version(tmp_path): + out = str(tmp_path / "temp.gif") + + def assertVersionAfterSave(im, version): im.save(out) - reread = Image.open(out) - self.assertEqual(reread.info["version"], b"GIF87a") + with Image.open(out) as reread: + assert reread.info["version"] == version + + # Test that GIF87a is used by default + im = Image.new("L", (100, 100), "#000") + assertVersionAfterSave(im, b"GIF87a") + + # Test setting the version to 89a + im = Image.new("L", (100, 100), "#000") + im.info["version"] = b"89a" + assertVersionAfterSave(im, b"GIF89a") + + # Test that adding a GIF89a feature changes the version + im.info["transparency"] = 1 + assertVersionAfterSave(im, b"GIF89a") + + # Test that a GIF87a image is also saved in that format + with Image.open("Tests/images/test.colors.gif") as im: + assertVersionAfterSave(im, b"GIF87a") # Test that a GIF89a image is also saved in that format - im.info["version"] = "GIF89a" - im.save(out) - reread = Image.open(out) - self.assertEqual(reread.info["version"], b"GIF87a") + im.info["version"] = b"GIF89a" + assertVersionAfterSave(im, b"GIF87a") + + +def test_append_images(tmp_path): + out = str(tmp_path / "temp.gif") + + # Test appending single frame images + im = Image.new("RGB", (100, 100), "#f00") + ims = [Image.new("RGB", (100, 100), color) for color in ["#0f0", "#00f"]] + im.copy().save(out, save_all=True, append_images=ims) + + with Image.open(out) as reread: + assert reread.n_frames == 3 + + # Tests appending using a generator + def imGenerator(ims): + yield from ims + + im.save(out, save_all=True, append_images=imGenerator(ims)) + + with Image.open(out) as reread: + assert reread.n_frames == 3 + + # Tests appending single and multiple frame images + with Image.open("Tests/images/dispose_none.gif") as im: + with Image.open("Tests/images/dispose_prev.gif") as im2: + im.save(out, save_all=True, append_images=[im2]) + + with Image.open(out) as reread: + assert reread.n_frames == 10 - def test_append_images(self): - out = self.tempfile('temp.gif') - # Test appending single frame images - im = Image.new('RGB', (100, 100), '#f00') - ims = [Image.new('RGB', (100, 100), color) for color in ['#0f0', '#00f']] - im.save(out, save_all=True, append_images=ims) +def test_transparent_optimize(tmp_path): + # From issue #2195, if the transparent color is incorrectly optimized out, GIF loses + # transparency. + # Need a palette that isn't using the 0 color, and one that's > 128 items where the + # transparent color is actually the top palette entry to trigger the bug. - reread = Image.open(out) - self.assertEqual(reread.n_frames, 3) + data = bytes(range(1, 254)) + palette = ImagePalette.ImagePalette("RGB", list(range(256)) * 3) - # Tests appending single and multiple frame images - im = Image.open("Tests/images/dispose_none.gif") - ims = [Image.open("Tests/images/dispose_prev.gif")] - im.save(out, save_all=True, append_images=ims) + im = Image.new("L", (253, 1)) + im.frombytes(data) + im.putpalette(palette) - reread = Image.open(out) - self.assertEqual(reread.n_frames, 10) + out = str(tmp_path / "temp.gif") + im.save(out, transparency=253) + with Image.open(out) as reloaded: + + assert reloaded.info["transparency"] == 253 + + +def test_rgb_transparency(tmp_path): + out = str(tmp_path / "temp.gif") + + # Single frame + im = Image.new("RGB", (1, 1)) + im.info["transparency"] = (255, 0, 0) + im.save(out) + + with Image.open(out) as reloaded: + assert "transparency" in reloaded.info + + # Multiple frames + im = Image.new("RGB", (1, 1)) + im.info["transparency"] = b"" + ims = [Image.new("RGB", (1, 1))] + pytest.warns(UserWarning, im.save, out, save_all=True, append_images=ims) + + with Image.open(out) as reloaded: + assert "transparency" not in reloaded.info + + +def test_bbox(tmp_path): + out = str(tmp_path / "temp.gif") + + im = Image.new("RGB", (100, 100), "#fff") + ims = [Image.new("RGB", (100, 100), "#000")] + im.save(out, save_all=True, append_images=ims) + + with Image.open(out) as reread: + assert reread.n_frames == 2 + + +def test_palette_save_L(tmp_path): + # Generate an L mode image with a separate palette + + im = hopper("P") + im_l = Image.frombytes("L", im.size, im.tobytes()) + palette = bytes(im.getpalette()) + + out = str(tmp_path / "temp.gif") + im_l.save(out, palette=palette) + + with Image.open(out) as reloaded: + assert_image_equal(reloaded.convert("RGB"), im.convert("RGB")) + + +def test_palette_save_P(tmp_path): + # Pass in a different palette, then construct what the image would look like. + # Forcing a non-straight grayscale palette. + + im = hopper("P") + palette = bytes(255 - i // 3 for i in range(768)) + + out = str(tmp_path / "temp.gif") + im.save(out, palette=palette) + + with Image.open(out) as reloaded: + im.putpalette(palette) + assert_image_equal(reloaded, im) + + +def test_palette_save_all_P(tmp_path): + frames = [] + colors = ((255, 0, 0), (0, 255, 0)) + for color in colors: + frame = Image.new("P", (100, 100)) + frame.putpalette(color) + frames.append(frame) + + out = str(tmp_path / "temp.gif") + frames[0].save( + out, save_all=True, palette=[255, 0, 0, 0, 255, 0], append_images=frames[1:] + ) + + with Image.open(out) as im: + # Assert that the frames are correct, and each frame has the same palette + assert_image_equal(im.convert("RGB"), frames[0].convert("RGB")) + assert im.palette.palette == im.global_palette.palette + + im.seek(1) + assert_image_equal(im.convert("RGB"), frames[1].convert("RGB")) + assert im.palette.palette == im.global_palette.palette + + +def test_palette_save_ImagePalette(tmp_path): + # Pass in a different palette, as an ImagePalette.ImagePalette + # effectively the same as test_palette_save_P + + im = hopper("P") + palette = ImagePalette.ImagePalette("RGB", list(range(256))[::-1] * 3) + + out = str(tmp_path / "temp.gif") + im.save(out, palette=palette) + + with Image.open(out) as reloaded: + im.putpalette(palette) + assert_image_equal(reloaded.convert("RGB"), im.convert("RGB")) + + +def test_save_I(tmp_path): + # Test saving something that would trigger the auto-convert to 'L' + + im = hopper("I") + + out = str(tmp_path / "temp.gif") + im.save(out) + + with Image.open(out) as reloaded: + assert_image_equal(reloaded.convert("L"), im.convert("L")) + + +def test_getdata(): + # Test getheader/getdata against legacy values. + # Create a 'P' image with holes in the palette. + im = Image._wedge().resize((16, 16), Image.NEAREST) + im.putpalette(ImagePalette.ImagePalette("RGB")) + im.info = {"background": 0} + + passed_palette = bytes(255 - i // 3 for i in range(768)) + + GifImagePlugin._FORCE_OPTIMIZE = True + try: + h = GifImagePlugin.getheader(im, passed_palette) + d = GifImagePlugin.getdata(im) + + import pickle + + # Enable to get target values on pre-refactor version + # with open('Tests/images/gif_header_data.pkl', 'wb') as f: + # pickle.dump((h, d), f, 1) + with open("Tests/images/gif_header_data.pkl", "rb") as f: + (h_target, d_target) = pickle.load(f) + + assert h == h_target + assert d == d_target + finally: + GifImagePlugin._FORCE_OPTIMIZE = False + + +def test_lzw_bits(): + # see https://github.com/python-pillow/Pillow/issues/2811 + with Image.open("Tests/images/issue_2811.gif") as im: + assert im.tile[0][3][0] == 11 # LZW bits + # codec error prepatch + im.load() + + +def test_extents(): + with Image.open("Tests/images/test_extents.gif") as im: + assert im.size == (100, 100) + im.seek(1) + assert im.size == (150, 150) + + +def test_missing_background(): + # The Global Color Table Flag isn't set, so there is no background color index, + # but the disposal method is "Restore to background color" + with Image.open("Tests/images/missing_background.gif") as im: + im.seek(1) + assert_image_equal_tofile(im, "Tests/images/missing_background_first_frame.png") + + +def test_saving_rgba(tmp_path): + out = str(tmp_path / "temp.gif") + with Image.open("Tests/images/transparent.png") as im: + im.save(out) -if __name__ == '__main__': - unittest.main() + with Image.open(out) as reloaded: + reloaded_rgba = reloaded.convert("RGBA") + assert reloaded_rgba.load()[0, 0][3] == 0 diff --git a/Tests/test_file_gimpgradient.py b/Tests/test_file_gimpgradient.py index b29f6f13b0a..3f056fdae1d 100644 --- a/Tests/test_file_gimpgradient.py +++ b/Tests/test_file_gimpgradient.py @@ -1,125 +1,124 @@ -from helper import unittest, PillowTestCase +from PIL import GimpGradientFile, ImagePalette -from PIL import GimpGradientFile +def test_linear_pos_le_middle(): + # Arrange + middle = 0.5 + pos = 0.25 -class TestImage(PillowTestCase): + # Act + ret = GimpGradientFile.linear(middle, pos) - def test_linear_pos_le_middle(self): - # Arrange - middle = 0.5 - pos = 0.25 + # Assert + assert ret == 0.25 - # Act - ret = GimpGradientFile.linear(middle, pos) - # Assert - self.assertEqual(ret, 0.25) +def test_linear_pos_le_small_middle(): + # Arrange + middle = 1e-11 + pos = 1e-12 - def test_linear_pos_le_small_middle(self): - # Arrange - middle = 1e-11 - pos = 1e-12 + # Act + ret = GimpGradientFile.linear(middle, pos) - # Act - ret = GimpGradientFile.linear(middle, pos) + # Assert + assert ret == 0.0 - # Assert - self.assertEqual(ret, 0.0) - def test_linear_pos_gt_middle(self): - # Arrange - middle = 0.5 - pos = 0.75 +def test_linear_pos_gt_middle(): + # Arrange + middle = 0.5 + pos = 0.75 - # Act - ret = GimpGradientFile.linear(middle, pos) + # Act + ret = GimpGradientFile.linear(middle, pos) - # Assert - self.assertEqual(ret, 0.75) + # Assert + assert ret == 0.75 - def test_linear_pos_gt_small_middle(self): - # Arrange - middle = 1 - 1e-11 - pos = 1 - 1e-12 - # Act - ret = GimpGradientFile.linear(middle, pos) +def test_linear_pos_gt_small_middle(): + # Arrange + middle = 1 - 1e-11 + pos = 1 - 1e-12 - # Assert - self.assertEqual(ret, 1.0) + # Act + ret = GimpGradientFile.linear(middle, pos) - def test_curved(self): - # Arrange - middle = 0.5 - pos = 0.75 + # Assert + assert ret == 1.0 - # Act - ret = GimpGradientFile.curved(middle, pos) - # Assert - self.assertEqual(ret, 0.75) +def test_curved(): + # Arrange + middle = 0.5 + pos = 0.75 - def test_sine(self): - # Arrange - middle = 0.5 - pos = 0.75 + # Act + ret = GimpGradientFile.curved(middle, pos) - # Act - ret = GimpGradientFile.sine(middle, pos) + # Assert + assert ret == 0.75 - # Assert - self.assertEqual(ret, 0.8535533905932737) - def test_sphere_increasing(self): - # Arrange - middle = 0.5 - pos = 0.75 +def test_sine(): + # Arrange + middle = 0.5 + pos = 0.75 - # Act - ret = GimpGradientFile.sphere_increasing(middle, pos) + # Act + ret = GimpGradientFile.sine(middle, pos) - # Assert - self.assertAlmostEqual(ret, 0.9682458365518543) + # Assert + assert ret == 0.8535533905932737 - def test_sphere_decreasing(self): - # Arrange - middle = 0.5 - pos = 0.75 - # Act - ret = GimpGradientFile.sphere_decreasing(middle, pos) +def test_sphere_increasing(): + # Arrange + middle = 0.5 + pos = 0.75 - # Assert - self.assertEqual(ret, 0.3385621722338523) + # Act + ret = GimpGradientFile.sphere_increasing(middle, pos) - def test_load_via_imagepalette(self): - # Arrange - from PIL import ImagePalette - test_file = "Tests/images/gimp_gradient.ggr" + # Assert + assert round(abs(ret - 0.9682458365518543), 7) == 0 - # Act - palette = ImagePalette.load(test_file) - # Assert - # load returns raw palette information - self.assertEqual(len(palette[0]), 1024) - self.assertEqual(palette[1], "RGBA") +def test_sphere_decreasing(): + # Arrange + middle = 0.5 + pos = 0.75 - def test_load_1_3_via_imagepalette(self): - # Arrange - from PIL import ImagePalette - # GIMP 1.3 gradient files contain a name field - test_file = "Tests/images/gimp_gradient_with_name.ggr" + # Act + ret = GimpGradientFile.sphere_decreasing(middle, pos) - # Act - palette = ImagePalette.load(test_file) + # Assert + assert ret == 0.3385621722338523 - # Assert - # load returns raw palette information - self.assertEqual(len(palette[0]), 1024) - self.assertEqual(palette[1], "RGBA") +def test_load_via_imagepalette(): + # Arrange + test_file = "Tests/images/gimp_gradient.ggr" -if __name__ == '__main__': - unittest.main() + # Act + palette = ImagePalette.load(test_file) + + # Assert + # load returns raw palette information + assert len(palette[0]) == 1024 + assert palette[1] == "RGBA" + + +def test_load_1_3_via_imagepalette(): + # Arrange + # GIMP 1.3 gradient files contain a name field + test_file = "Tests/images/gimp_gradient_with_name.ggr" + + # Act + palette = ImagePalette.load(test_file) + + # Assert + # load returns raw palette information + assert len(palette[0]) == 1024 + assert palette[1] == "RGBA" diff --git a/Tests/test_file_gimppalette.py b/Tests/test_file_gimppalette.py index d0445872659..caec9cf2115 100644 --- a/Tests/test_file_gimppalette.py +++ b/Tests/test_file_gimppalette.py @@ -1,34 +1,32 @@ -from helper import unittest, PillowTestCase +import pytest from PIL.GimpPaletteFile import GimpPaletteFile -class TestImage(PillowTestCase): +def test_sanity(): + with open("Tests/images/test.gpl", "rb") as fp: + GimpPaletteFile(fp) - def test_sanity(self): - with open('Tests/images/test.gpl', 'rb') as fp: + with open("Tests/images/hopper.jpg", "rb") as fp: + with pytest.raises(SyntaxError): GimpPaletteFile(fp) - with open('Tests/images/hopper.jpg', 'rb') as fp: - self.assertRaises(SyntaxError, lambda: GimpPaletteFile(fp)) - - with open('Tests/images/bad_palette_file.gpl', 'rb') as fp: - self.assertRaises(SyntaxError, lambda: GimpPaletteFile(fp)) - - with open('Tests/images/bad_palette_entry.gpl', 'rb') as fp: - self.assertRaises(ValueError, lambda: GimpPaletteFile(fp)) + with open("Tests/images/bad_palette_file.gpl", "rb") as fp: + with pytest.raises(SyntaxError): + GimpPaletteFile(fp) - def test_get_palette(self): - # Arrange - with open('Tests/images/custom_gimp_palette.gpl', 'rb') as fp: - palette_file = GimpPaletteFile(fp) + with open("Tests/images/bad_palette_entry.gpl", "rb") as fp: + with pytest.raises(ValueError): + GimpPaletteFile(fp) - # Act - palette, mode = palette_file.getpalette() - # Assert - self.assertEqual(mode, "RGB") +def test_get_palette(): + # Arrange + with open("Tests/images/custom_gimp_palette.gpl", "rb") as fp: + palette_file = GimpPaletteFile(fp) + # Act + palette, mode = palette_file.getpalette() -if __name__ == '__main__': - unittest.main() + # Assert + assert mode == "RGB" diff --git a/Tests/test_file_gribstub.py b/Tests/test_file_gribstub.py index 786ce42ddde..e4930d8dc2e 100644 --- a/Tests/test_file_gribstub.py +++ b/Tests/test_file_gribstub.py @@ -1,17 +1,47 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import GribStubImagePlugin +from PIL import GribStubImagePlugin, Image +from .helper import hopper -class TestFileGribStub(PillowTestCase): +TEST_FILE = "Tests/images/WAlaska.wind.7days.grb" - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: - GribStubImagePlugin.GribStubImageFile(invalid_file)) +def test_open(): + # Act + with Image.open(TEST_FILE) as im: + # Assert + assert im.format == "GRIB" -if __name__ == '__main__': - unittest.main() + # Dummy data from the stub + assert im.mode == "F" + assert im.size == (1, 1) + + +def test_invalid_file(): + # Arrange + invalid_file = "Tests/images/flower.jpg" + + # Act / Assert + with pytest.raises(SyntaxError): + GribStubImagePlugin.GribStubImageFile(invalid_file) + + +def test_load(): + # Arrange + with Image.open(TEST_FILE) as im: + + # Act / Assert: stub cannot load without an implemented handler + with pytest.raises(OSError): + im.load() + + +def test_save(tmp_path): + # Arrange + im = hopper() + tmpfile = str(tmp_path / "temp.grib") + + # Act / Assert: stub cannot save without an implemented handler + with pytest.raises(OSError): + im.save(tmpfile) diff --git a/Tests/test_file_hdf5stub.py b/Tests/test_file_hdf5stub.py index 4545c821247..ff339705522 100644 --- a/Tests/test_file_hdf5stub.py +++ b/Tests/test_file_hdf5stub.py @@ -1,17 +1,48 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import Hdf5StubImagePlugin +from PIL import Hdf5StubImagePlugin, Image +TEST_FILE = "Tests/images/hdf5.h5" -class TestFileHdf5Stub(PillowTestCase): - def test_invalid_file(self): - test_file = "Tests/images/flower.jpg" +def test_open(): + # Act + with Image.open(TEST_FILE) as im: - self.assertRaises(SyntaxError, - lambda: - Hdf5StubImagePlugin.HDF5StubImageFile(test_file)) + # Assert + assert im.format == "HDF5" + # Dummy data from the stub + assert im.mode == "F" + assert im.size == (1, 1) -if __name__ == '__main__': - unittest.main() + +def test_invalid_file(): + # Arrange + invalid_file = "Tests/images/flower.jpg" + + # Act / Assert + with pytest.raises(SyntaxError): + Hdf5StubImagePlugin.HDF5StubImageFile(invalid_file) + + +def test_load(): + # Arrange + with Image.open(TEST_FILE) as im: + + # Act / Assert: stub cannot load without an implemented handler + with pytest.raises(OSError): + im.load() + + +def test_save(): + # Arrange + with Image.open(TEST_FILE) as im: + dummy_fp = None + dummy_filename = "dummy.filename" + + # Act / Assert: stub cannot save without an implemented handler + with pytest.raises(OSError): + im.save(dummy_filename) + with pytest.raises(OSError): + Hdf5StubImagePlugin._save(im, dummy_fp, dummy_filename) diff --git a/Tests/test_file_icns.py b/Tests/test_file_icns.py index 7332db9641d..3afbbeaac05 100644 --- a/Tests/test_file_icns.py +++ b/Tests/test_file_icns.py @@ -1,88 +1,152 @@ -from helper import unittest, PillowTestCase +import io +import os -from PIL import Image +import pytest -import sys +from PIL import IcnsImagePlugin, Image, _binary, features + +from .helper import assert_image_equal, assert_image_similar_tofile # sample icon file TEST_FILE = "Tests/images/pillow.icns" -data = open(TEST_FILE, "rb").read() -enable_jpeg2k = hasattr(Image.core, 'jp2klib_version') +ENABLE_JPEG2K = features.check_codec("jpg_2000") + + +def test_sanity(): + # Loading this icon by default should result in the largest size + # (512x512@2x) being loaded + with Image.open(TEST_FILE) as im: + # Assert that there is no unclosed file warning + with pytest.warns(None) as record: + im.load() + assert not record -class TestFileIcns(PillowTestCase): + assert im.mode == "RGBA" + assert im.size == (1024, 1024) + assert im.format == "ICNS" - def test_sanity(self): - # Loading this icon by default should result in the largest size - # (512x512@2x) being loaded - im = Image.open(TEST_FILE) - im.load() - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (1024, 1024)) - self.assertEqual(im.format, "ICNS") - @unittest.skipIf(sys.platform != 'darwin', - "requires MacOS") - def test_save(self): - im = Image.open(TEST_FILE) +def test_save(tmp_path): + temp_file = str(tmp_path / "temp.icns") - temp_file = self.tempfile("temp.icns") + with Image.open(TEST_FILE) as im: im.save(temp_file) - reread = Image.open(temp_file) + with Image.open(temp_file) as reread: + assert reread.mode == "RGBA" + assert reread.size == (1024, 1024) + assert reread.format == "ICNS" + + file_length = os.path.getsize(temp_file) + with open(temp_file, "rb") as fp: + fp.seek(4) + assert _binary.i32be(fp.read(4)) == file_length + + +def test_save_append_images(tmp_path): + temp_file = str(tmp_path / "temp.icns") + provided_im = Image.new("RGBA", (32, 32), (255, 0, 0, 128)) + + with Image.open(TEST_FILE) as im: + im.save(temp_file, append_images=[provided_im]) + + assert_image_similar_tofile(im, temp_file, 1) + + with Image.open(temp_file) as reread: + reread.size = (16, 16, 2) + reread.load() + assert_image_equal(reread, provided_im) + + +def test_save_fp(): + fp = io.BytesIO() + + with Image.open(TEST_FILE) as im: + im.save(fp, format="ICNS") - self.assertEqual(reread.mode, "RGBA") - self.assertEqual(reread.size, (1024, 1024)) - self.assertEqual(reread.format, "ICNS") + with Image.open(fp) as reread: + assert reread.mode == "RGBA" + assert reread.size == (1024, 1024) + assert reread.format == "ICNS" - def test_sizes(self): - # Check that we can load all of the sizes, and that the final pixel - # dimensions are as expected - im = Image.open(TEST_FILE) - for w, h, r in im.info['sizes']: + +def test_sizes(): + # Check that we can load all of the sizes, and that the final pixel + # dimensions are as expected + with Image.open(TEST_FILE) as im: + for w, h, r in im.info["sizes"]: wr = w * r hr = h * r - im2 = Image.open(TEST_FILE) - im2.size = (w, h, r) - im2.load() - self.assertEqual(im2.mode, 'RGBA') - self.assertEqual(im2.size, (wr, hr)) - - def test_older_icon(self): - # This icon was made with Icon Composer rather than iconutil; it still - # uses PNG rather than JP2, however (since it was made on 10.9). - im = Image.open('Tests/images/pillow2.icns') - for w, h, r in im.info['sizes']: + im.size = (w, h, r) + im.load() + assert im.mode == "RGBA" + assert im.size == (wr, hr) + + # Check that we cannot load an incorrect size + with pytest.raises(ValueError): + im.size = (1, 1) + + +def test_older_icon(): + # This icon was made with Icon Composer rather than iconutil; it still + # uses PNG rather than JP2, however (since it was made on 10.9). + with Image.open("Tests/images/pillow2.icns") as im: + for w, h, r in im.info["sizes"]: wr = w * r hr = h * r - im2 = Image.open('Tests/images/pillow2.icns') - im2.size = (w, h, r) - im2.load() - self.assertEqual(im2.mode, 'RGBA') - self.assertEqual(im2.size, (wr, hr)) + with Image.open("Tests/images/pillow2.icns") as im2: + im2.size = (w, h, r) + im2.load() + assert im2.mode == "RGBA" + assert im2.size == (wr, hr) + - def test_jp2_icon(self): - # This icon was made by using Uli Kusterer's oldiconutil to replace - # the PNG images with JPEG 2000 ones. The advantage of doing this is - # that OS X 10.5 supports JPEG 2000 but not PNG; some commercial - # software therefore does just this. +def test_jp2_icon(): + # This icon was made by using Uli Kusterer's oldiconutil to replace + # the PNG images with JPEG 2000 ones. The advantage of doing this is + # that OS X 10.5 supports JPEG 2000 but not PNG; some commercial + # software therefore does just this. - # (oldiconutil is here: https://github.com/uliwitness/oldiconutil) + # (oldiconutil is here: https://github.com/uliwitness/oldiconutil) - if not enable_jpeg2k: - return + if not ENABLE_JPEG2K: + return - im = Image.open('Tests/images/pillow3.icns') - for w, h, r in im.info['sizes']: + with Image.open("Tests/images/pillow3.icns") as im: + for w, h, r in im.info["sizes"]: wr = w * r hr = h * r - im2 = Image.open('Tests/images/pillow3.icns') - im2.size = (w, h, r) - im2.load() - self.assertEqual(im2.mode, 'RGBA') - self.assertEqual(im2.size, (wr, hr)) + with Image.open("Tests/images/pillow3.icns") as im2: + im2.size = (w, h, r) + im2.load() + assert im2.mode == "RGBA" + assert im2.size == (wr, hr) + + +def test_getimage(): + with open(TEST_FILE, "rb") as fp: + icns_file = IcnsImagePlugin.IcnsFile(fp) + + im = icns_file.getimage() + assert im.mode == "RGBA" + assert im.size == (1024, 1024) + + im = icns_file.getimage((512, 512)) + assert im.mode == "RGBA" + assert im.size == (512, 512) + + +def test_not_an_icns_file(): + with io.BytesIO(b"invalid\n") as fp: + with pytest.raises(SyntaxError): + IcnsImagePlugin.IcnsFile(fp) -if __name__ == '__main__': - unittest.main() +def test_icns_decompression_bomb(): + with Image.open( + "Tests/images/oom-8ed3316a4109213ca96fb8a256a0bfefdece1461.icns" + ) as im: + with pytest.raises(Image.DecompressionBombError): + im.load() diff --git a/Tests/test_file_ico.py b/Tests/test_file_ico.py index 806cff66f46..317264db646 100644 --- a/Tests/test_file_ico.py +++ b/Tests/test_file_ico.py @@ -1,54 +1,162 @@ -from helper import unittest, PillowTestCase, hopper - import io -from PIL import Image, IcoImagePlugin -# sample ppm stream -TEST_ICO_FILE = "Tests/images/hopper.ico" -TEST_DATA = open(TEST_ICO_FILE, "rb").read() +import pytest + +from PIL import IcoImagePlugin, Image, ImageDraw +from .helper import assert_image_equal, assert_image_equal_tofile, hopper + +TEST_ICO_FILE = "Tests/images/hopper.ico" -class TestFileIco(PillowTestCase): - def test_sanity(self): - im = Image.open(TEST_ICO_FILE) +def test_sanity(): + with Image.open(TEST_ICO_FILE) as im: im.load() - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (16, 16)) - self.assertEqual(im.format, "ICO") - - def test_invalid_file(self): - with open("Tests/images/flower.jpg", "rb") as fp: - self.assertRaises(SyntaxError, - lambda: IcoImagePlugin.IcoImageFile(fp)) - - def test_save_to_bytes(self): - output = io.BytesIO() - im = hopper() - im.save(output, "ico", sizes=[(32, 32), (64, 64)]) - - # the default image - output.seek(0) - reloaded = Image.open(output) - self.assertEqual(reloaded.info['sizes'], set([(32, 32), (64, 64)])) - - self.assertEqual(im.mode, reloaded.mode) - self.assertEqual((64, 64), reloaded.size) - self.assertEqual(reloaded.format, "ICO") - self.assert_image_equal(reloaded, - hopper().resize((64, 64), Image.LANCZOS)) - - # the other one - output.seek(0) - reloaded = Image.open(output) + assert im.mode == "RGBA" + assert im.size == (16, 16) + assert im.format == "ICO" + assert im.get_format_mimetype() == "image/x-icon" + + +def test_mask(): + with Image.open("Tests/images/hopper_mask.ico") as im: + assert_image_equal_tofile(im, "Tests/images/hopper_mask.png") + + +def test_black_and_white(): + with Image.open("Tests/images/black_and_white.ico") as im: + assert im.mode == "RGBA" + assert im.size == (16, 16) + + +def test_invalid_file(): + with open("Tests/images/flower.jpg", "rb") as fp: + with pytest.raises(SyntaxError): + IcoImagePlugin.IcoImageFile(fp) + + +def test_save_to_bytes(): + output = io.BytesIO() + im = hopper() + im.save(output, "ico", sizes=[(32, 32), (64, 64)]) + + # The default image + output.seek(0) + with Image.open(output) as reloaded: + assert reloaded.info["sizes"] == {(32, 32), (64, 64)} + + assert im.mode == reloaded.mode + assert (64, 64) == reloaded.size + assert reloaded.format == "ICO" + assert_image_equal(reloaded, hopper().resize((64, 64), Image.LANCZOS)) + + # The other one + output.seek(0) + with Image.open(output) as reloaded: reloaded.size = (32, 32) - self.assertEqual(im.mode, reloaded.mode) - self.assertEqual((32, 32), reloaded.size) - self.assertEqual(reloaded.format, "ICO") - self.assert_image_equal(reloaded, - hopper().resize((32, 32), Image.LANCZOS)) + assert im.mode == reloaded.mode + assert (32, 32) == reloaded.size + assert reloaded.format == "ICO" + assert_image_equal(reloaded, hopper().resize((32, 32), Image.LANCZOS)) + + +@pytest.mark.parametrize("mode", ("1", "L", "P", "RGB", "RGBA")) +def test_save_to_bytes_bmp(mode): + output = io.BytesIO() + im = hopper(mode) + im.save(output, "ico", bitmap_format="bmp", sizes=[(32, 32), (64, 64)]) + + # The default image + output.seek(0) + with Image.open(output) as reloaded: + assert reloaded.info["sizes"] == {(32, 32), (64, 64)} + + assert "RGBA" == reloaded.mode + assert (64, 64) == reloaded.size + assert reloaded.format == "ICO" + im = hopper(mode).resize((64, 64), Image.LANCZOS).convert("RGBA") + assert_image_equal(reloaded, im) + + # The other one + output.seek(0) + with Image.open(output) as reloaded: + reloaded.size = (32, 32) + + assert "RGBA" == reloaded.mode + assert (32, 32) == reloaded.size + assert reloaded.format == "ICO" + im = hopper(mode).resize((32, 32), Image.LANCZOS).convert("RGBA") + assert_image_equal(reloaded, im) + + +def test_incorrect_size(): + with Image.open(TEST_ICO_FILE) as im: + with pytest.raises(ValueError): + im.size = (1, 1) + + +def test_save_256x256(tmp_path): + """Issue #2264 https://github.com/python-pillow/Pillow/issues/2264""" + # Arrange + with Image.open("Tests/images/hopper_256x256.ico") as im: + outfile = str(tmp_path / "temp_saved_hopper_256x256.ico") + + # Act + im.save(outfile) + with Image.open(outfile) as im_saved: + + # Assert + assert im_saved.size == (256, 256) + + +def test_only_save_relevant_sizes(tmp_path): + """Issue #2266 https://github.com/python-pillow/Pillow/issues/2266 + Should save in 16x16, 24x24, 32x32, 48x48 sizes + and not in 16x16, 24x24, 32x32, 48x48, 48x48, 48x48, 48x48 sizes + """ + # Arrange + with Image.open("Tests/images/python.ico") as im: # 16x16, 32x32, 48x48 + outfile = str(tmp_path / "temp_saved_python.ico") + # Act + im.save(outfile) + + with Image.open(outfile) as im_saved: + # Assert + assert im_saved.info["sizes"] == {(16, 16), (24, 24), (32, 32), (48, 48)} + + +def test_save_append_images(tmp_path): + # append_images should be used for scaled down versions of the image + im = hopper("RGBA") + provided_im = Image.new("RGBA", (32, 32), (255, 0, 0)) + outfile = str(tmp_path / "temp_saved_multi_icon.ico") + im.save(outfile, sizes=[(32, 32), (128, 128)], append_images=[provided_im]) + + with Image.open(outfile) as reread: + assert_image_equal(reread, hopper("RGBA")) + + reread.size = (32, 32) + assert_image_equal(reread, provided_im) + + +def test_unexpected_size(): + # This image has been manually hexedited to state that it is 16x32 + # while the image within is still 16x16 + def open(): + with Image.open("Tests/images/hopper_unexpected.ico") as im: + assert im.size == (16, 16) + + pytest.warns(UserWarning, open) + + +def test_draw_reloaded(tmp_path): + with Image.open(TEST_ICO_FILE) as im: + outfile = str(tmp_path / "temp_saved_hopper_draw.ico") + draw = ImageDraw.Draw(im) + draw.line((0, 0) + im.size, "#f00") + im.save(outfile) -if __name__ == '__main__': - unittest.main() + with Image.open(outfile) as im: + assert_image_equal_tofile(im, "Tests/images/hopper_draw.ico") diff --git a/Tests/test_file_im.py b/Tests/test_file_im.py index 94d8bcce606..9d25a4d1a8f 100644 --- a/Tests/test_file_im.py +++ b/Tests/test_file_im.py @@ -1,51 +1,110 @@ -from helper import unittest, PillowTestCase, hopper +import filecmp + +import pytest from PIL import Image, ImImagePlugin +from .helper import assert_image_equal_tofile, hopper, is_pypy + # sample im TEST_IM = "Tests/images/hopper.im" -class TestFileIm(PillowTestCase): +def test_sanity(): + with Image.open(TEST_IM) as im: + im.load() + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "IM" + + +def test_name_limit(tmp_path): + out = str(tmp_path / ("name_limit_test" * 7 + ".im")) + with Image.open(TEST_IM) as im: + im.save(out) + assert filecmp.cmp(out, "Tests/images/hopper_long_name.im") + - def test_sanity(self): +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): im = Image.open(TEST_IM) im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "IM") - def test_n_frames(self): - im = Image.open(TEST_IM) - self.assertEqual(im.n_frames, 1) - self.assertFalse(im.is_animated) + pytest.warns(ResourceWarning, open) - def test_eoferror(self): + +def test_closed_file(): + with pytest.warns(None) as record: im = Image.open(TEST_IM) + im.load() + im.close() + + assert not record + + +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(TEST_IM) as im: + im.load() + + assert not record + +def test_tell(): + # Arrange + with Image.open(TEST_IM) as im: + + # Act + frame = im.tell() + + # Assert + assert frame == 0 + + +def test_n_frames(): + with Image.open(TEST_IM) as im: + assert im.n_frames == 1 + assert not im.is_animated + + +def test_eoferror(): + with Image.open(TEST_IM) as im: n_frames = im.n_frames - while True: - n_frames -= 1 - try: - im.seek(n_frames) - break - except EOFError: - self.assertTrue(im.tell() < n_frames) - - def test_roundtrip(self): - out = self.tempfile('temp.im') - im = hopper() + + # Test seeking past the last frame + with pytest.raises(EOFError): + im.seek(n_frames) + assert im.tell() < n_frames + + # Test that seeking to the last frame does not raise an error + im.seek(n_frames - 1) + + +def test_roundtrip(tmp_path): + def roundtrip(mode): + out = str(tmp_path / "temp.im") + im = hopper(mode) + im.save(out) + assert_image_equal_tofile(im, out) + + for mode in ["RGB", "P", "PA"]: + roundtrip(mode) + + +def test_save_unsupported_mode(tmp_path): + out = str(tmp_path / "temp.im") + im = hopper("HSV") + with pytest.raises(ValueError): im.save(out) - reread = Image.open(out) - self.assert_image_equal(reread, im) - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: ImImagePlugin.ImImageFile(invalid_file)) + with pytest.raises(SyntaxError): + ImImagePlugin.ImImageFile(invalid_file) -if __name__ == '__main__': - unittest.main() +def test_number(): + assert ImImagePlugin.number("1.2") == 1.2 diff --git a/Tests/test_file_iptc.py b/Tests/test_file_iptc.py index a29e1a4a6cc..2d0e6977a70 100644 --- a/Tests/test_file_iptc.py +++ b/Tests/test_file_iptc.py @@ -1,65 +1,71 @@ -from helper import unittest, PillowTestCase, hopper +import sys +from io import StringIO from PIL import Image, IptcImagePlugin -TEST_FILE = "Tests/images/iptc.jpg" +from .helper import hopper +TEST_FILE = "Tests/images/iptc.jpg" -class TestFileIptc(PillowTestCase): - def test_getiptcinfo_jpg_none(self): - # Arrange - im = hopper() +def test_getiptcinfo_jpg_none(): + # Arrange + with hopper() as im: # Act iptc = IptcImagePlugin.getiptcinfo(im) - # Assert - self.assertIsNone(iptc) + # Assert + assert iptc is None + - def test_getiptcinfo_jpg_found(self): - # Arrange - im = Image.open(TEST_FILE) +def test_getiptcinfo_jpg_found(): + # Arrange + with Image.open(TEST_FILE) as im: # Act iptc = IptcImagePlugin.getiptcinfo(im) - # Assert - self.assertIsInstance(iptc, dict) - self.assertEqual(iptc[(2, 90)], b"Budapest") - self.assertEqual(iptc[(2, 101)], b"Hungary") + # Assert + assert isinstance(iptc, dict) + assert iptc[(2, 90)] == b"Budapest" + assert iptc[(2, 101)] == b"Hungary" - def test_i(self): - # Arrange - c = b"a" - # Act - ret = IptcImagePlugin.i(c) - - # Assert - self.assertEqual(ret, 97) - - def test_dump(self): - # Arrange - c = b"abc" - # Temporarily redirect stdout - try: - from cStringIO import StringIO - except ImportError: - from io import StringIO - import sys - old_stdout = sys.stdout - sys.stdout = mystdout = StringIO() +def test_getiptcinfo_tiff_none(): + # Arrange + with Image.open("Tests/images/hopper.tif") as im: # Act - IptcImagePlugin.dump(c) + iptc = IptcImagePlugin.getiptcinfo(im) + + # Assert + assert iptc is None + + +def test_i(): + # Arrange + c = b"a" + + # Act + ret = IptcImagePlugin.i(c) + + # Assert + assert ret == 97 + - # Reset stdout - sys.stdout = old_stdout +def test_dump(): + # Arrange + c = b"abc" + # Temporarily redirect stdout + old_stdout = sys.stdout + sys.stdout = mystdout = StringIO() - # Assert - self.assertEqual(mystdout.getvalue(), "61 62 63 \n") + # Act + IptcImagePlugin.dump(c) + # Reset stdout + sys.stdout = old_stdout -if __name__ == '__main__': - unittest.main() + # Assert + assert mystdout.getvalue() == "61 62 63 \n" diff --git a/Tests/test_file_jpeg.py b/Tests/test_file_jpeg.py index 1b34b42c679..4b2ffe70d0c 100644 --- a/Tests/test_file_jpeg.py +++ b/Tests/test_file_jpeg.py @@ -1,25 +1,43 @@ -from helper import unittest, PillowTestCase, hopper, py3 -from helper import djpeg_available, cjpeg_available - -import random -from io import BytesIO import os +import re +from io import BytesIO -from PIL import Image -from PIL import ImageFile -from PIL import JpegImagePlugin - -codecs = dir(Image.core) +import pytest + +from PIL import ( + ExifTags, + Image, + ImageFile, + ImageOps, + JpegImagePlugin, + UnidentifiedImageError, + features, +) + +from .helper import ( + assert_image, + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + assert_image_similar_tofile, + cjpeg_available, + djpeg_available, + hopper, + is_win32, + mark_if_feature_version, + skip_unless_feature, +) + +try: + import defusedxml.ElementTree as ElementTree +except ImportError: + ElementTree = None TEST_FILE = "Tests/images/hopper.jpg" -class TestFileJpeg(PillowTestCase): - - def setUp(self): - if "jpeg_encoder" not in codecs or "jpeg_decoder" not in codecs: - self.skipTest("jpeg support not available") - +@skip_unless_feature("jpg") +class TestFileJpeg: def roundtrip(self, im, **options): out = BytesIO() im.save(out, "JPEG", **options) @@ -29,79 +47,100 @@ def roundtrip(self, im, **options): im.bytes = test_bytes # for testing only return im + def gen_random_image(self, size, mode="RGB"): + """Generates a very hard to compress file + :param size: tuple + :param mode: optional image mode + + """ + return Image.frombytes(mode, size, os.urandom(size[0] * size[1] * len(mode))) + def test_sanity(self): # internal version number - self.assertRegexpMatches(Image.core.jpeglib_version, r"\d+\.\d+$") + assert re.search(r"\d+\.\d+$", features.version_codec("jpg")) - im = Image.open(TEST_FILE) - im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "JPEG") + with Image.open(TEST_FILE) as im: + im.load() + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "JPEG" + assert im.get_format_mimetype() == "image/jpeg" def test_app(self): # Test APP/COM reader (@PIL135) - im = Image.open(TEST_FILE) - self.assertEqual( - im.applist[0], - ("APP0", b"JFIF\x00\x01\x01\x01\x00`\x00`\x00\x00")) - self.assertEqual(im.applist[1], ( - "COM", b"File written by Adobe Photoshop\xa8 4.0\x00")) - self.assertEqual(len(im.applist), 2) + with Image.open(TEST_FILE) as im: + assert im.applist[0] == ("APP0", b"JFIF\x00\x01\x01\x01\x00`\x00`\x00\x00") + assert im.applist[1] == ( + "COM", + b"File written by Adobe Photoshop\xa8 4.0\x00", + ) + assert len(im.applist) == 2 + + assert im.info["comment"] == b"File written by Adobe Photoshop\xa8 4.0\x00" def test_cmyk(self): # Test CMYK handling. Thanks to Tim and Charlie for test data, # Michael for getting me to look one more time. f = "Tests/images/pil_sample_cmyk.jpg" - im = Image.open(f) - # the source image has red pixels in the upper left corner. - c, m, y, k = [x / 255.0 for x in im.getpixel((0, 0))] - self.assertEqual(c, 0.0) - self.assertGreater(m, 0.8) - self.assertGreater(y, 0.8) - self.assertEqual(k, 0.0) - # the opposite corner is black - c, m, y, k = [x / 255.0 for x in im.getpixel(( - im.size[0]-1, im.size[1]-1))] - self.assertGreater(k, 0.9) - # roundtrip, and check again - im = self.roundtrip(im) - c, m, y, k = [x / 255.0 for x in im.getpixel((0, 0))] - self.assertEqual(c, 0.0) - self.assertGreater(m, 0.8) - self.assertGreater(y, 0.8) - self.assertEqual(k, 0.0) - c, m, y, k = [x / 255.0 for x in im.getpixel(( - im.size[0]-1, im.size[1]-1))] - self.assertGreater(k, 0.9) - - def test_dpi(self): + with Image.open(f) as im: + # the source image has red pixels in the upper left corner. + c, m, y, k = (x / 255.0 for x in im.getpixel((0, 0))) + assert c == 0.0 + assert m > 0.8 + assert y > 0.8 + assert k == 0.0 + # the opposite corner is black + c, m, y, k = ( + x / 255.0 for x in im.getpixel((im.size[0] - 1, im.size[1] - 1)) + ) + assert k > 0.9 + # roundtrip, and check again + im = self.roundtrip(im) + c, m, y, k = (x / 255.0 for x in im.getpixel((0, 0))) + assert c == 0.0 + assert m > 0.8 + assert y > 0.8 + assert k == 0.0 + c, m, y, k = ( + x / 255.0 for x in im.getpixel((im.size[0] - 1, im.size[1] - 1)) + ) + assert k > 0.9 + + @pytest.mark.parametrize( + "test_image_path", + [TEST_FILE, "Tests/images/pil_sample_cmyk.jpg"], + ) + def test_dpi(self, test_image_path): def test(xdpi, ydpi=None): - im = Image.open(TEST_FILE) - im = self.roundtrip(im, dpi=(xdpi, ydpi or xdpi)) + with Image.open(test_image_path) as im: + im = self.roundtrip(im, dpi=(xdpi, ydpi or xdpi)) return im.info.get("dpi") - self.assertEqual(test(72), (72, 72)) - self.assertEqual(test(300), (300, 300)) - self.assertEqual(test(100, 200), (100, 200)) - self.assertEqual(test(0), None) # square pixels - def test_icc(self): + assert test(72) == (72, 72) + assert test(300) == (300, 300) + assert test(100, 200) == (100, 200) + assert test(0) is None # square pixels + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_icc(self, tmp_path): # Test ICC support - im1 = Image.open("Tests/images/rgb.jpg") - icc_profile = im1.info["icc_profile"] - self.assertEqual(len(icc_profile), 3144) - # Roundtrip via physical file. - f = self.tempfile("temp.jpg") - im1.save(f, icc_profile=icc_profile) - im2 = Image.open(f) - self.assertEqual(im2.info.get("icc_profile"), icc_profile) - # Roundtrip via memory buffer. - im1 = self.roundtrip(hopper()) - im2 = self.roundtrip(hopper(), icc_profile=icc_profile) - self.assert_image_equal(im1, im2) - self.assertFalse(im1.info.get("icc_profile")) - self.assertTrue(im2.info.get("icc_profile")) + with Image.open("Tests/images/rgb.jpg") as im1: + icc_profile = im1.info["icc_profile"] + assert len(icc_profile) == 3144 + # Roundtrip via physical file. + f = str(tmp_path / "temp.jpg") + im1.save(f, icc_profile=icc_profile) + with Image.open(f) as im2: + assert im2.info.get("icc_profile") == icc_profile + # Roundtrip via memory buffer. + im1 = self.roundtrip(hopper()) + im2 = self.roundtrip(hopper(), icc_profile=icc_profile) + assert_image_equal(im1, im2) + assert not im1.info.get("icc_profile") + assert im2.info.get("icc_profile") def test_icc_big(self): # Make sure that the "extra" support handles large blocks @@ -109,395 +148,768 @@ def test(n): # The ICC APP marker can store 65519 bytes per marker, so # using a 4-byte test code should allow us to detect out of # order issues. - icc_profile = (b"Test"*int(n/4+1))[:n] + icc_profile = (b"Test" * int(n / 4 + 1))[:n] assert len(icc_profile) == n # sanity im1 = self.roundtrip(hopper(), icc_profile=icc_profile) - self.assertEqual(im1.info.get("icc_profile"), icc_profile or None) + assert im1.info.get("icc_profile") == (icc_profile or None) + test(0) test(1) test(3) test(4) test(5) - test(65533-14) # full JPEG marker block - test(65533-14+1) # full block plus one byte + test(65533 - 14) # full JPEG marker block + test(65533 - 14 + 1) # full block plus one byte test(ImageFile.MAXBLOCK) # full buffer block - test(ImageFile.MAXBLOCK+1) # full buffer block plus one byte - test(ImageFile.MAXBLOCK*4+3) # large block + test(ImageFile.MAXBLOCK + 1) # full buffer block plus one byte + test(ImageFile.MAXBLOCK * 4 + 3) # large block + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_large_icc_meta(self, tmp_path): + # https://github.com/python-pillow/Pillow/issues/148 + # Sometimes the meta data on the icc_profile block is bigger than + # Image.MAXBLOCK or the image size. + with Image.open("Tests/images/icc_profile_big.jpg") as im: + f = str(tmp_path / "temp.jpg") + icc_profile = im.info["icc_profile"] + # Should not raise OSError for image with icc larger than image size. + im.save( + f, + format="JPEG", + progressive=True, + quality=95, + icc_profile=icc_profile, + optimize=True, + ) def test_optimize(self): im1 = self.roundtrip(hopper()) im2 = self.roundtrip(hopper(), optimize=0) im3 = self.roundtrip(hopper(), optimize=1) - self.assert_image_equal(im1, im2) - self.assert_image_equal(im1, im3) - self.assertGreaterEqual(im1.bytes, im2.bytes) - self.assertGreaterEqual(im1.bytes, im3.bytes) + assert_image_equal(im1, im2) + assert_image_equal(im1, im3) + assert im1.bytes >= im2.bytes + assert im1.bytes >= im3.bytes - def test_optimize_large_buffer(self): + def test_optimize_large_buffer(self, tmp_path): # https://github.com/python-pillow/Pillow/issues/148 - f = self.tempfile('temp.jpg') + f = str(tmp_path / "temp.jpg") # this requires ~ 1.5x Image.MAXBLOCK - im = Image.new("RGB", (4096, 4096), 0xff3333) + im = Image.new("RGB", (4096, 4096), 0xFF3333) im.save(f, format="JPEG", optimize=True) def test_progressive(self): im1 = self.roundtrip(hopper()) im2 = self.roundtrip(hopper(), progressive=False) im3 = self.roundtrip(hopper(), progressive=True) - self.assertFalse(im1.info.get("progressive")) - self.assertFalse(im2.info.get("progressive")) - self.assertTrue(im3.info.get("progressive")) + assert not im1.info.get("progressive") + assert not im2.info.get("progressive") + assert im3.info.get("progressive") - self.assert_image_equal(im1, im3) - self.assertGreaterEqual(im1.bytes, im3.bytes) + assert_image_equal(im1, im3) + assert im1.bytes >= im3.bytes - def test_progressive_large_buffer(self): - f = self.tempfile('temp.jpg') + def test_progressive_large_buffer(self, tmp_path): + f = str(tmp_path / "temp.jpg") # this requires ~ 1.5x Image.MAXBLOCK - im = Image.new("RGB", (4096, 4096), 0xff3333) + im = Image.new("RGB", (4096, 4096), 0xFF3333) im.save(f, format="JPEG", progressive=True) - def test_progressive_large_buffer_highest_quality(self): - f = self.tempfile('temp.jpg') - if py3: - a = bytes(random.randint(0, 255) for _ in range(256 * 256 * 3)) - else: - a = b''.join(chr(random.randint(0, 255)) for _ in range( - 256 * 256 * 3)) - im = Image.frombuffer("RGB", (256, 256), a, "raw", "RGB", 0, 1) + def test_progressive_large_buffer_highest_quality(self, tmp_path): + f = str(tmp_path / "temp.jpg") + im = self.gen_random_image((255, 255)) # this requires more bytes than pixels in the image im.save(f, format="JPEG", progressive=True, quality=100) - def test_large_exif(self): + def test_progressive_cmyk_buffer(self): + # Issue 2272, quality 90 cmyk image is tripping the large buffer bug. + f = BytesIO() + im = self.gen_random_image((256, 256), "CMYK") + im.save(f, format="JPEG", progressive=True, quality=94) + + def test_large_exif(self, tmp_path): # https://github.com/python-pillow/Pillow/issues/148 - f = self.tempfile('temp.jpg') + f = str(tmp_path / "temp.jpg") im = hopper() - im.save(f, 'JPEG', quality=90, exif=b"1"*65532) + im.save(f, "JPEG", quality=90, exif=b"1" * 65532) def test_exif_typeerror(self): - im = Image.open('Tests/images/exif_typeerror.jpg') - # Should not raise a TypeError - im._getexif() + with Image.open("Tests/images/exif_typeerror.jpg") as im: + # Should not raise a TypeError + im._getexif() - def test_exif_gps(self): - # Arrange - im = Image.open('Tests/images/exif_gps.jpg') - gps_index = 34853 + def test_exif_gps(self, tmp_path): expected_exif_gps = { - 0: b'\x00\x00\x00\x01', - 2: (4294967295, 1), - 5: b'\x01', + 0: b"\x00\x00\x00\x01", + 2: 4294967295, + 5: b"\x01", 30: 65535, - 29: '1999:99:99 99:99:99'} - - # Act - exif = im._getexif() + 29: "1999:99:99 99:99:99", + } + gps_index = 34853 - # Assert - self.assertEqual(exif[gps_index], expected_exif_gps) + # Reading + with Image.open("Tests/images/exif_gps.jpg") as im: + exif = im._getexif() + assert exif[gps_index] == expected_exif_gps + + # Writing + f = str(tmp_path / "temp.jpg") + exif = Image.Exif() + exif[gps_index] = expected_exif_gps + hopper().save(f, exif=exif) + + with Image.open(f) as reloaded: + exif = reloaded._getexif() + assert exif[gps_index] == expected_exif_gps + + def test_empty_exif_gps(self): + with Image.open("Tests/images/empty_gps_ifd.jpg") as im: + exif = im.getexif() + del exif[0x8769] + + # Assert that it needs to be transposed + assert exif[0x0112] == Image.TRANSVERSE + + # Assert that the GPS IFD is present and empty + assert exif.get_ifd(0x8825) == {} + + transposed = ImageOps.exif_transpose(im) + exif = transposed.getexif() + assert exif.get_ifd(0x8825) == {} + + # Assert that it was transposed + assert 0x0112 not in exif + + def test_exif_equality(self): + # In 7.2.0, Exif rationals were changed to be read as + # TiffImagePlugin.IFDRational. This class had a bug in __eq__, + # breaking the self-equality of Exif data + exifs = [] + for i in range(2): + with Image.open("Tests/images/exif-200dpcm.jpg") as im: + exifs.append(im._getexif()) + assert exifs[0] == exifs[1] def test_exif_rollback(self): # rolling back exif support in 3.1 to pre-3.0 formatting. # expected from 2.9, with b/u qualifiers switched for 3.2 compatibility # this test passes on 2.9 and 3.1, but not 3.0 - expected_exif = {34867: 4294967295, - 258: (24, 24, 24), - 36867: '2099:09:29 10:10:10', - 34853: {0: b'\x00\x00\x00\x01', - 2: (4294967295, 1), - 5: b'\x01', - 30: 65535, - 29: '1999:99:99 99:99:99'}, - 296: 65535, - 34665: 185, - 41994: 65535, - 514: 4294967295, - 271: 'Make', - 272: 'XXX-XXX', - 305: 'PIL', - 42034: ((1, 1), (1, 1), (1, 1), (1, 1)), - 42035: 'LensMake', - 34856: b'\xaa\xaa\xaa\xaa\xaa\xaa', - 282: (4294967295, 1), - 33434: (4294967295, 1)} - - im = Image.open('Tests/images/exif_gps.jpg') - exif = im._getexif() + expected_exif = { + 34867: 4294967295, + 258: (24, 24, 24), + 36867: "2099:09:29 10:10:10", + 34853: { + 0: b"\x00\x00\x00\x01", + 2: 4294967295, + 5: b"\x01", + 30: 65535, + 29: "1999:99:99 99:99:99", + }, + 296: 65535, + 34665: 185, + 41994: 65535, + 514: 4294967295, + 271: "Make", + 272: "XXX-XXX", + 305: "PIL", + 42034: (1, 1, 1, 1), + 42035: "LensMake", + 34856: b"\xaa\xaa\xaa\xaa\xaa\xaa", + 282: 4294967295, + 33434: 4294967295, + } + + with Image.open("Tests/images/exif_gps.jpg") as im: + exif = im._getexif() for tag, value in expected_exif.items(): - self.assertEqual(value, exif[tag]) + assert value == exif[tag] def test_exif_gps_typeerror(self): - im = Image.open('Tests/images/exif_gps_typeerror.jpg') + with Image.open("Tests/images/exif_gps_typeerror.jpg") as im: - # Should not raise a TypeError - im._getexif() + # Should not raise a TypeError + im._getexif() def test_progressive_compat(self): im1 = self.roundtrip(hopper()) - self.assertFalse(im1.info.get("progressive")) - self.assertFalse(im1.info.get("progression")) + assert not im1.info.get("progressive") + assert not im1.info.get("progression") im2 = self.roundtrip(hopper(), progressive=0) im3 = self.roundtrip(hopper(), progression=0) # compatibility - self.assertFalse(im2.info.get("progressive")) - self.assertFalse(im2.info.get("progression")) - self.assertFalse(im3.info.get("progressive")) - self.assertFalse(im3.info.get("progression")) + assert not im2.info.get("progressive") + assert not im2.info.get("progression") + assert not im3.info.get("progressive") + assert not im3.info.get("progression") im2 = self.roundtrip(hopper(), progressive=1) im3 = self.roundtrip(hopper(), progression=1) # compatibility - self.assert_image_equal(im1, im2) - self.assert_image_equal(im1, im3) - self.assertTrue(im2.info.get("progressive")) - self.assertTrue(im2.info.get("progression")) - self.assertTrue(im3.info.get("progressive")) - self.assertTrue(im3.info.get("progression")) + assert_image_equal(im1, im2) + assert_image_equal(im1, im3) + assert im2.info.get("progressive") + assert im2.info.get("progression") + assert im3.info.get("progressive") + assert im3.info.get("progression") def test_quality(self): im1 = self.roundtrip(hopper()) im2 = self.roundtrip(hopper(), quality=50) - self.assert_image(im1, im2.mode, im2.size) - self.assertGreaterEqual(im1.bytes, im2.bytes) + assert_image(im1, im2.mode, im2.size) + assert im1.bytes >= im2.bytes + + im3 = self.roundtrip(hopper(), quality=0) + assert_image(im1, im3.mode, im3.size) + assert im2.bytes > im3.bytes def test_smooth(self): im1 = self.roundtrip(hopper()) im2 = self.roundtrip(hopper(), smooth=100) - self.assert_image(im1, im2.mode, im2.size) + assert_image(im1, im2.mode, im2.size) def test_subsampling(self): def getsampling(im): layer = im.layer return layer[0][1:3] + layer[1][1:3] + layer[2][1:3] + # experimental API im = self.roundtrip(hopper(), subsampling=-1) # default - self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1)) + assert getsampling(im) == (2, 2, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling=0) # 4:4:4 - self.assertEqual(getsampling(im), (1, 1, 1, 1, 1, 1)) + assert getsampling(im) == (1, 1, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling=1) # 4:2:2 - self.assertEqual(getsampling(im), (2, 1, 1, 1, 1, 1)) - im = self.roundtrip(hopper(), subsampling=2) # 4:1:1 - self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1)) + assert getsampling(im) == (2, 1, 1, 1, 1, 1) + im = self.roundtrip(hopper(), subsampling=2) # 4:2:0 + assert getsampling(im) == (2, 2, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling=3) # default (undefined) - self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1)) + assert getsampling(im) == (2, 2, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling="4:4:4") - self.assertEqual(getsampling(im), (1, 1, 1, 1, 1, 1)) + assert getsampling(im) == (1, 1, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling="4:2:2") - self.assertEqual(getsampling(im), (2, 1, 1, 1, 1, 1)) + assert getsampling(im) == (2, 1, 1, 1, 1, 1) + im = self.roundtrip(hopper(), subsampling="4:2:0") + assert getsampling(im) == (2, 2, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling="4:1:1") - self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1)) + assert getsampling(im) == (2, 2, 1, 1, 1, 1) - self.assertRaises( - TypeError, lambda: self.roundtrip(hopper(), subsampling="1:1:1")) + with pytest.raises(TypeError): + self.roundtrip(hopper(), subsampling="1:1:1") def test_exif(self): - im = Image.open("Tests/images/pil_sample_rgb.jpg") - info = im._getexif() - self.assertEqual(info[305], 'Adobe Photoshop CS Macintosh') + with Image.open("Tests/images/pil_sample_rgb.jpg") as im: + info = im._getexif() + assert info[305] == "Adobe Photoshop CS Macintosh" def test_mp(self): - im = Image.open("Tests/images/pil_sample_rgb.jpg") - self.assertIsNone(im._getmp()) + with Image.open("Tests/images/pil_sample_rgb.jpg") as im: + assert im._getmp() is None - def test_quality_keep(self): + def test_quality_keep(self, tmp_path): # RGB - im = Image.open("Tests/images/hopper.jpg") - f = self.tempfile('temp.jpg') - im.save(f, quality='keep') + with Image.open("Tests/images/hopper.jpg") as im: + f = str(tmp_path / "temp.jpg") + im.save(f, quality="keep") # Grayscale - im = Image.open("Tests/images/hopper_gray.jpg") - f = self.tempfile('temp.jpg') - im.save(f, quality='keep') + with Image.open("Tests/images/hopper_gray.jpg") as im: + f = str(tmp_path / "temp.jpg") + im.save(f, quality="keep") # CMYK - im = Image.open("Tests/images/pil_sample_cmyk.jpg") - f = self.tempfile('temp.jpg') - im.save(f, quality='keep') + with Image.open("Tests/images/pil_sample_cmyk.jpg") as im: + f = str(tmp_path / "temp.jpg") + im.save(f, quality="keep") def test_junk_jpeg_header(self): # https://github.com/python-pillow/Pillow/issues/630 filename = "Tests/images/junk_jpeg_header.jpg" - Image.open(filename) + with Image.open(filename): + pass def test_ff00_jpeg_header(self): filename = "Tests/images/jpeg_ff00_header.jpg" - Image.open(filename) - - def _n_qtables_helper(self, n, test_file): - im = Image.open(test_file) - f = self.tempfile('temp.jpg') - im.save(f, qtables=[[n]*64]*n) - im = Image.open(f) - self.assertEqual(len(im.quantization), n) - reloaded = self.roundtrip(im, qtables="keep") - self.assertEqual(im.quantization, reloaded.quantization) - - def test_qtables(self): - im = Image.open("Tests/images/hopper.jpg") - qtables = im.quantization - reloaded = self.roundtrip(im, qtables=qtables, subsampling=0) - self.assertEqual(im.quantization, reloaded.quantization) - self.assert_image_similar(im, self.roundtrip(im, qtables='web_low'), - 30) - self.assert_image_similar(im, self.roundtrip(im, qtables='web_high'), - 30) - self.assert_image_similar(im, self.roundtrip(im, qtables='keep'), 30) - - # valid bounds for baseline qtable - bounds_qtable = [int(s) for s in ("255 1 " * 32).split(None)] - self.roundtrip(im, qtables=[bounds_qtable]) - - # values from wizard.txt in jpeg9-a src package. - standard_l_qtable = [int(s) for s in """ - 16 11 10 16 24 40 51 61 - 12 12 14 19 26 58 60 55 - 14 13 16 24 40 57 69 56 - 14 17 22 29 51 87 80 62 - 18 22 37 56 68 109 103 77 - 24 35 55 64 81 104 113 92 - 49 64 78 87 103 121 120 101 - 72 92 95 98 112 100 103 99 - """.split(None)] - - standard_chrominance_qtable = [int(s) for s in """ - 17 18 24 47 99 99 99 99 - 18 21 26 66 99 99 99 99 - 24 26 56 99 99 99 99 99 - 47 66 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - """.split(None)] - # list of qtable lists - self.assert_image_similar( - im, self.roundtrip( - im, qtables=[standard_l_qtable, standard_chrominance_qtable]), - 30) - - # tuple of qtable lists - self.assert_image_similar( - im, self.roundtrip( - im, qtables=(standard_l_qtable, standard_chrominance_qtable)), - 30) - - # dict of qtable lists - self.assert_image_similar(im, - self.roundtrip(im, qtables={ - 0: standard_l_qtable, - 1: standard_chrominance_qtable - }), 30) - - self._n_qtables_helper(1, "Tests/images/hopper_gray.jpg") - self._n_qtables_helper(1, "Tests/images/pil_sample_rgb.jpg") - self._n_qtables_helper(2, "Tests/images/pil_sample_rgb.jpg") - self._n_qtables_helper(3, "Tests/images/pil_sample_rgb.jpg") - self._n_qtables_helper(1, "Tests/images/pil_sample_cmyk.jpg") - self._n_qtables_helper(2, "Tests/images/pil_sample_cmyk.jpg") - self._n_qtables_helper(3, "Tests/images/pil_sample_cmyk.jpg") - self._n_qtables_helper(4, "Tests/images/pil_sample_cmyk.jpg") - - # not a sequence - self.assertRaises(Exception, lambda: self.roundtrip(im, qtables='a')) - # sequence wrong length - self.assertRaises(Exception, lambda: self.roundtrip(im, qtables=[])) - # sequence wrong length - self.assertRaises(Exception, - lambda: self.roundtrip(im, qtables=[1, 2, 3, 4, 5])) - - # qtable entry not a sequence - self.assertRaises(Exception, lambda: self.roundtrip(im, qtables=[1])) - # qtable entry has wrong number of items - self.assertRaises(Exception, - lambda: self.roundtrip(im, qtables=[[1, 2, 3, 4]])) - - @unittest.skipUnless(djpeg_available(), "djpeg not available") + with Image.open(filename): + pass + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_truncated_jpeg_should_read_all_the_data(self): + filename = "Tests/images/truncated_jpeg.jpg" + ImageFile.LOAD_TRUNCATED_IMAGES = True + with Image.open(filename) as im: + im.load() + ImageFile.LOAD_TRUNCATED_IMAGES = False + assert im.getbbox() is not None + + def test_truncated_jpeg_throws_oserror(self): + filename = "Tests/images/truncated_jpeg.jpg" + with Image.open(filename) as im: + with pytest.raises(OSError): + im.load() + + # Test that the error is raised if loaded a second time + with pytest.raises(OSError): + im.load() + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_qtables(self, tmp_path): + def _n_qtables_helper(n, test_file): + with Image.open(test_file) as im: + f = str(tmp_path / "temp.jpg") + im.save(f, qtables=[[n] * 64] * n) + with Image.open(f) as im: + assert len(im.quantization) == n + reloaded = self.roundtrip(im, qtables="keep") + assert im.quantization == reloaded.quantization + assert max(reloaded.quantization[0]) <= 255 + + with Image.open("Tests/images/hopper.jpg") as im: + qtables = im.quantization + reloaded = self.roundtrip(im, qtables=qtables, subsampling=0) + assert im.quantization == reloaded.quantization + assert_image_similar(im, self.roundtrip(im, qtables="web_low"), 30) + assert_image_similar(im, self.roundtrip(im, qtables="web_high"), 30) + assert_image_similar(im, self.roundtrip(im, qtables="keep"), 30) + + # valid bounds for baseline qtable + bounds_qtable = [int(s) for s in ("255 1 " * 32).split(None)] + im2 = self.roundtrip(im, qtables=[bounds_qtable]) + assert im2.quantization == {0: bounds_qtable} + + # values from wizard.txt in jpeg9-a src package. + standard_l_qtable = [ + int(s) + for s in """ + 16 11 10 16 24 40 51 61 + 12 12 14 19 26 58 60 55 + 14 13 16 24 40 57 69 56 + 14 17 22 29 51 87 80 62 + 18 22 37 56 68 109 103 77 + 24 35 55 64 81 104 113 92 + 49 64 78 87 103 121 120 101 + 72 92 95 98 112 100 103 99 + """.split( + None + ) + ] + + standard_chrominance_qtable = [ + int(s) + for s in """ + 17 18 24 47 99 99 99 99 + 18 21 26 66 99 99 99 99 + 24 26 56 99 99 99 99 99 + 47 66 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + """.split( + None + ) + ] + # list of qtable lists + assert_image_similar( + im, + self.roundtrip( + im, qtables=[standard_l_qtable, standard_chrominance_qtable] + ), + 30, + ) + + # tuple of qtable lists + assert_image_similar( + im, + self.roundtrip( + im, qtables=(standard_l_qtable, standard_chrominance_qtable) + ), + 30, + ) + + # dict of qtable lists + assert_image_similar( + im, + self.roundtrip( + im, qtables={0: standard_l_qtable, 1: standard_chrominance_qtable} + ), + 30, + ) + + _n_qtables_helper(1, "Tests/images/hopper_gray.jpg") + _n_qtables_helper(1, "Tests/images/pil_sample_rgb.jpg") + _n_qtables_helper(2, "Tests/images/pil_sample_rgb.jpg") + _n_qtables_helper(3, "Tests/images/pil_sample_rgb.jpg") + _n_qtables_helper(1, "Tests/images/pil_sample_cmyk.jpg") + _n_qtables_helper(2, "Tests/images/pil_sample_cmyk.jpg") + _n_qtables_helper(3, "Tests/images/pil_sample_cmyk.jpg") + _n_qtables_helper(4, "Tests/images/pil_sample_cmyk.jpg") + + # not a sequence + with pytest.raises(ValueError): + self.roundtrip(im, qtables="a") + # sequence wrong length + with pytest.raises(ValueError): + self.roundtrip(im, qtables=[]) + # sequence wrong length + with pytest.raises(ValueError): + self.roundtrip(im, qtables=[1, 2, 3, 4, 5]) + + # qtable entry not a sequence + with pytest.raises(ValueError): + self.roundtrip(im, qtables=[1]) + # qtable entry has wrong number of items + with pytest.raises(ValueError): + self.roundtrip(im, qtables=[[1, 2, 3, 4]]) + + def test_load_16bit_qtables(self): + with Image.open("Tests/images/hopper_16bit_qtables.jpg") as im: + assert len(im.quantization) == 2 + assert len(im.quantization[0]) == 64 + assert max(im.quantization[0]) > 255 + + def test_save_multiple_16bit_qtables(self): + with Image.open("Tests/images/hopper_16bit_qtables.jpg") as im: + im2 = self.roundtrip(im, qtables="keep") + assert im.quantization == im2.quantization + + def test_save_single_16bit_qtable(self): + with Image.open("Tests/images/hopper_16bit_qtables.jpg") as im: + im2 = self.roundtrip(im, qtables={0: im.quantization[0]}) + assert len(im2.quantization) == 1 + assert im2.quantization[0] == im.quantization[0] + + def test_save_low_quality_baseline_qtables(self): + with Image.open(TEST_FILE) as im: + im2 = self.roundtrip(im, quality=10) + assert len(im2.quantization) == 2 + assert max(im2.quantization[0]) <= 255 + assert max(im2.quantization[1]) <= 255 + + def test_convert_dict_qtables_deprecation(self): + with pytest.warns(DeprecationWarning): + qtable = {0: [1, 2, 3, 4]} + qtable2 = JpegImagePlugin.convert_dict_qtables(qtable) + assert qtable == qtable2 + + @pytest.mark.skipif(not djpeg_available(), reason="djpeg not available") def test_load_djpeg(self): - img = Image.open(TEST_FILE) - img.load_djpeg() - self.assert_image_similar(img, Image.open(TEST_FILE), 0) - - @unittest.skipUnless(cjpeg_available(), "cjpeg not available") - def test_save_cjpeg(self): - img = Image.open(TEST_FILE) - - tempfile = self.tempfile("temp.jpg") - JpegImagePlugin._save_cjpeg(img, 0, tempfile) - # Default save quality is 75%, so a tiny bit of difference is alright - self.assert_image_similar(img, Image.open(tempfile), 17) + with Image.open(TEST_FILE) as img: + img.load_djpeg() + assert_image_similar_tofile(img, TEST_FILE, 5) + + @pytest.mark.skipif(not cjpeg_available(), reason="cjpeg not available") + def test_save_cjpeg(self, tmp_path): + with Image.open(TEST_FILE) as img: + tempfile = str(tmp_path / "temp.jpg") + JpegImagePlugin._save_cjpeg(img, 0, tempfile) + # Default save quality is 75%, so a tiny bit of difference is alright + assert_image_similar_tofile(img, tempfile, 17) def test_no_duplicate_0x1001_tag(self): # Arrange - from PIL import ExifTags - tag_ids = dict(zip(ExifTags.TAGS.values(), ExifTags.TAGS.keys())) + tag_ids = {v: k for k, v in ExifTags.TAGS.items()} # Assert - self.assertEqual(tag_ids['RelatedImageWidth'], 0x1001) - self.assertEqual(tag_ids['RelatedImageLength'], 0x1002) - - def test_MAXBLOCK_scaling(self): - def gen_random_image(size): - """ Generates a very hard to compress file - :param size: tuple - """ - return Image.frombytes('RGB', - size, os.urandom(size[0]*size[1] * 3)) - - im = gen_random_image((512, 512)) - f = self.tempfile("temp.jpeg") - im.save(f, quality=100, optimize=True) + assert tag_ids["RelatedImageWidth"] == 0x1001 + assert tag_ids["RelatedImageLength"] == 0x1002 - reloaded = Image.open(f) + def test_MAXBLOCK_scaling(self, tmp_path): + im = self.gen_random_image((512, 512)) + f = str(tmp_path / "temp.jpeg") + im.save(f, quality=100, optimize=True) - # none of these should crash - reloaded.save(f, quality='keep') - reloaded.save(f, quality='keep', progressive=True) - reloaded.save(f, quality='keep', optimize=True) + with Image.open(f) as reloaded: + # none of these should crash + reloaded.save(f, quality="keep") + reloaded.save(f, quality="keep", progressive=True) + reloaded.save(f, quality="keep", optimize=True) def test_bad_mpo_header(self): - """ Treat unknown MPO as JPEG """ + """Treat unknown MPO as JPEG""" # Arrange # Act # Shouldn't raise error fn = "Tests/images/sugarshack_bad_mpo_header.jpg" - im = self.assert_warning(UserWarning, lambda: Image.open(fn)) + with pytest.warns(UserWarning, Image.open, fn) as im: - # Assert - self.assertEqual(im.format, "JPEG") + # Assert + assert im.format == "JPEG" def test_save_correct_modes(self): out = BytesIO() - for mode in ['1', 'L', 'RGB', 'RGBX', 'CMYK', 'YCbCr']: + for mode in ["1", "L", "RGB", "RGBX", "CMYK", "YCbCr"]: img = Image.new(mode, (20, 20)) img.save(out, "JPEG") def test_save_wrong_modes(self): - out = BytesIO() - for mode in ['LA', 'La', 'RGBa', 'P']: - img = Image.new(mode, (20, 20)) - self.assertRaises(IOError, img.save, out, "JPEG") - - def test_save_modes_with_warnings(self): # ref https://github.com/python-pillow/Pillow/issues/2005 out = BytesIO() - for mode in ['RGBA']: + for mode in ["LA", "La", "RGBA", "RGBa", "P"]: img = Image.new(mode, (20, 20)) - self.assert_warning(DeprecationWarning, img.save, out, "JPEG") + with pytest.raises(OSError): + img.save(out, "JPEG") - def test_save_tiff_with_dpi(self): + def test_save_tiff_with_dpi(self, tmp_path): # Arrange - outfile = self.tempfile("temp.tif") - im = Image.open("Tests/images/hopper.tif") + outfile = str(tmp_path / "temp.tif") + with Image.open("Tests/images/hopper.tif") as im: - # Act - im.save(outfile, 'JPEG', dpi=im.info['dpi']) + # Act + im.save(outfile, "JPEG", dpi=im.info["dpi"]) - # Assert - reloaded = Image.open(outfile) - reloaded.load() - self.assertEqual(im.info['dpi'], reloaded.info['dpi']) + # Assert + with Image.open(outfile) as reloaded: + reloaded.load() + assert im.info["dpi"] == reloaded.info["dpi"] + + def test_save_dpi_rounding(self, tmp_path): + outfile = str(tmp_path / "temp.jpg") + with Image.open("Tests/images/hopper.jpg") as im: + im.save(outfile, dpi=(72.2, 72.2)) + with Image.open(outfile) as reloaded: + assert reloaded.info["dpi"] == (72, 72) + + im.save(outfile, dpi=(72.8, 72.8)) + + with Image.open(outfile) as reloaded: + assert reloaded.info["dpi"] == (73, 73) + + def test_dpi_tuple_from_exif(self): + # Arrange + # This Photoshop CC 2017 image has DPI in EXIF not metadata + # EXIF XResolution is (2000000, 10000) + with Image.open("Tests/images/photoshop-200dpi.jpg") as im: + + # Act / Assert + assert im.info.get("dpi") == (200, 200) + + def test_dpi_int_from_exif(self): + # Arrange + # This image has DPI in EXIF not metadata + # EXIF XResolution is 72 + with Image.open("Tests/images/exif-72dpi-int.jpg") as im: -if __name__ == '__main__': - unittest.main() + # Act / Assert + assert im.info.get("dpi") == (72, 72) + + def test_dpi_from_dpcm_exif(self): + # Arrange + # This is photoshop-200dpi.jpg with EXIF resolution unit set to cm: + # exiftool -exif:ResolutionUnit=cm photoshop-200dpi.jpg + with Image.open("Tests/images/exif-200dpcm.jpg") as im: + + # Act / Assert + assert im.info.get("dpi") == (508, 508) + + def test_dpi_exif_zero_division(self): + # Arrange + # This is photoshop-200dpi.jpg with EXIF resolution set to 0/0: + # exiftool -XResolution=0/0 -YResolution=0/0 photoshop-200dpi.jpg + with Image.open("Tests/images/exif-dpi-zerodivision.jpg") as im: + + # Act / Assert + # This should return the default, and not raise a ZeroDivisionError + assert im.info.get("dpi") == (72, 72) + + def test_dpi_exif_string(self): + # Arrange + # 0x011A tag in this exif contains string '300300\x02' + with Image.open("Tests/images/broken_exif_dpi.jpg") as im: + + # Act / Assert + # This should return the default + assert im.info.get("dpi") == (72, 72) + + def test_no_dpi_in_exif(self): + # Arrange + # This is photoshop-200dpi.jpg with resolution removed from EXIF: + # exiftool "-*resolution*"= photoshop-200dpi.jpg + with Image.open("Tests/images/no-dpi-in-exif.jpg") as im: + + # Act / Assert + # "When the image resolution is unknown, 72 [dpi] is designated." + # http://www.exiv2.org/tags.html + assert im.info.get("dpi") == (72, 72) + + def test_invalid_exif(self): + # This is no-dpi-in-exif with the tiff header of the exif block + # hexedited from MM * to FF FF FF FF + with Image.open("Tests/images/invalid-exif.jpg") as im: + + # This should return the default, and not a SyntaxError or + # OSError for unidentified image. + assert im.info.get("dpi") == (72, 72) + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_exif_x_resolution(self, tmp_path): + with Image.open("Tests/images/flower.jpg") as im: + exif = im.getexif() + assert exif[282] == 180 + + out = str(tmp_path / "out.jpg") + with pytest.warns(None) as record: + im.save(out, exif=exif) + assert not record + + with Image.open(out) as reloaded: + assert reloaded.getexif()[282] == 180 + + def test_invalid_exif_x_resolution(self): + # When no x or y resolution is defined in EXIF + with Image.open("Tests/images/invalid-exif-without-x-resolution.jpg") as im: + + # This should return the default, and not a ValueError or + # OSError for an unidentified image. + assert im.info.get("dpi") == (72, 72) + + def test_ifd_offset_exif(self): + # Arrange + # This image has been manually hexedited to have an IFD offset of 10, + # in contrast to normal 8 + with Image.open("Tests/images/exif-ifd-offset.jpg") as im: + + # Act / Assert + assert im._getexif()[306] == "2017:03:13 23:03:09" + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_photoshop(self): + with Image.open("Tests/images/photoshop-200dpi.jpg") as im: + assert im.info["photoshop"][0x03ED] == { + "XResolution": 200.0, + "DisplayedUnitsX": 1, + "YResolution": 200.0, + "DisplayedUnitsY": 1, + } + + # Test that the image can still load, even with broken Photoshop data + # This image had the APP13 length hexedited to be smaller + assert_image_equal_tofile(im, "Tests/images/photoshop-200dpi-broken.jpg") + + # This image does not contain a Photoshop header string + with Image.open("Tests/images/app13.jpg") as im: + assert "photoshop" not in im.info + + def test_photoshop_malformed_and_multiple(self): + with Image.open("Tests/images/app13-multiple.jpg") as im: + assert "photoshop" in im.info + assert 24 == len(im.info["photoshop"]) + apps_13_lengths = [len(v) for k, v in im.applist if k == "APP13"] + assert [65504, 24] == apps_13_lengths + + def test_adobe_transform(self): + with Image.open("Tests/images/pil_sample_rgb.jpg") as im: + assert im.info["adobe_transform"] == 1 + + with Image.open("Tests/images/pil_sample_cmyk.jpg") as im: + assert im.info["adobe_transform"] == 2 + + # This image has been manually hexedited + # so that the APP14 reports its length to be 11, + # leaving no room for "adobe_transform" + with Image.open("Tests/images/truncated_app14.jpg") as im: + assert "adobe" in im.info + assert "adobe_transform" not in im.info + + def test_icc_after_SOF(self): + with Image.open("Tests/images/icc-after-SOF.jpg") as im: + assert im.info["icc_profile"] == b"profile" + + def test_jpeg_magic_number(self): + size = 4097 + buffer = BytesIO(b"\xFF" * size) # Many xFF bytes + buffer.max_pos = 0 + orig_read = buffer.read + + def read(n=-1): + res = orig_read(n) + buffer.max_pos = max(buffer.max_pos, buffer.tell()) + return res + + buffer.read = read + with pytest.raises(UnidentifiedImageError): + with Image.open(buffer): + pass + + # Assert the entire file has not been read + assert 0 < buffer.max_pos < size + + def test_getxmp(self): + with Image.open("Tests/images/xmp_test.jpg") as im: + if ElementTree is None: + with pytest.warns(UserWarning): + assert im.getxmp() == {} + else: + xmp = im.getxmp() + + description = xmp["xmpmeta"]["RDF"]["Description"] + assert description["DerivedFrom"] == { + "documentID": "8367D410E636EA95B7DE7EBA1C43A412", + "originalDocumentID": "8367D410E636EA95B7DE7EBA1C43A412", + } + assert description["Look"]["Description"]["Group"]["Alt"]["li"] == { + "lang": "x-default", + "text": "Profiles", + } + assert description["ToneCurve"]["Seq"]["li"] == ["0, 0", "255, 255"] + + # Attribute + assert description["Version"] == "10.4" + + if ElementTree is not None: + with Image.open("Tests/images/hopper.jpg") as im: + assert im.getxmp() == {} + + @pytest.mark.timeout(timeout=1) + def test_eof(self): + # Even though this decoder never says that it is finished + # the image should still end when there is no new data + class InfiniteMockPyDecoder(ImageFile.PyDecoder): + def decode(self, buffer): + return 0, 0 + + decoder = InfiniteMockPyDecoder(None) + + def closure(mode, *args): + decoder.__init__(mode, *args) + return decoder + + Image.register_decoder("INFINITE", closure) + + with Image.open(TEST_FILE) as im: + im.tile = [ + ("INFINITE", (0, 0, 128, 128), 0, ("RGB", 0, 1)), + ] + ImageFile.LOAD_TRUNCATED_IMAGES = True + im.load() + ImageFile.LOAD_TRUNCATED_IMAGES = False + + +@pytest.mark.skipif(not is_win32(), reason="Windows only") +@skip_unless_feature("jpg") +class TestFileCloseW32: + def test_fd_leak(self, tmp_path): + tmpfile = str(tmp_path / "temp.jpg") + + with Image.open("Tests/images/hopper.jpg") as im: + im.save(tmpfile) + + im = Image.open(tmpfile) + fp = im.fp + assert not fp.closed + with pytest.raises(OSError): + os.remove(tmpfile) + im.load() + assert fp.closed + # this should not fail, as load should have closed the file. + os.remove(tmpfile) diff --git a/Tests/test_file_jpeg2k.py b/Tests/test_file_jpeg2k.py index 0f3522a3ba3..ca410162a1c 100644 --- a/Tests/test_file_jpeg2k.py +++ b/Tests/test_file_jpeg2k.py @@ -1,11 +1,23 @@ -from helper import unittest, PillowTestCase - -from PIL import Image, Jpeg2KImagePlugin +import os +import re from io import BytesIO -codecs = dir(Image.core) +import pytest + +from PIL import Image, ImageFile, Jpeg2KImagePlugin, UnidentifiedImageError, features + +from .helper import ( + assert_image_equal, + assert_image_similar, + assert_image_similar_tofile, + skip_unless_feature, +) + +EXTRA_DIR = "Tests/images/jpeg2000" -test_card = Image.open('Tests/images/test-card.png') +pytestmark = skip_unless_feature("jpg_2000") + +test_card = Image.open("Tests/images/test-card.png") test_card.load() # OpenJPEG 2.0.0 outputs this debugging message sometimes; we should @@ -13,176 +25,290 @@ # 'Not enough memory to handle tile data' -class TestFileJpeg2k(PillowTestCase): - - def setUp(self): - if "jpeg2k_encoder" not in codecs or "jpeg2k_decoder" not in codecs: - self.skipTest('JPEG 2000 support not available') - - def roundtrip(self, im, **options): - out = BytesIO() - im.save(out, "JPEG2000", **options) - test_bytes = out.tell() - out.seek(0) - im = Image.open(out) +def roundtrip(im, **options): + out = BytesIO() + im.save(out, "JPEG2000", **options) + test_bytes = out.tell() + out.seek(0) + with Image.open(out) as im: im.bytes = test_bytes # for testing only im.load() - return im + return im - def test_sanity(self): - # Internal version number - self.assertRegexpMatches(Image.core.jp2klib_version, r'\d+\.\d+\.\d+$') - im = Image.open('Tests/images/test-card-lossless.jp2') +def test_sanity(): + # Internal version number + assert re.search(r"\d+\.\d+\.\d+$", features.version_codec("jpg_2000")) + + with Image.open("Tests/images/test-card-lossless.jp2") as im: px = im.load() - self.assertEqual(px[0, 0], (0, 0, 0)) - self.assertEqual(im.mode, 'RGB') - self.assertEqual(im.size, (640, 480)) - self.assertEqual(im.format, 'JPEG2000') - - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" - - self.assertRaises(SyntaxError, - lambda: - Jpeg2KImagePlugin.Jpeg2KImageFile(invalid_file)) - - def test_bytesio(self): - with open('Tests/images/test-card-lossless.jp2', 'rb') as f: - data = BytesIO(f.read()) - im = Image.open(data) - im.load() - self.assert_image_similar(im, test_card, 1.0e-3) + assert px[0, 0] == (0, 0, 0) + assert im.mode == "RGB" + assert im.size == (640, 480) + assert im.format == "JPEG2000" + assert im.get_format_mimetype() == "image/jp2" + + +def test_jpf(): + with Image.open("Tests/images/balloon.jpf") as im: + assert im.format == "JPEG2000" + assert im.get_format_mimetype() == "image/jpx" + + +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - # These two test pre-written JPEG 2000 files that were not written with - # PIL (they were made using Adobe Photoshop) + with pytest.raises(SyntaxError): + Jpeg2KImagePlugin.Jpeg2KImageFile(invalid_file) - def test_lossless(self): - im = Image.open('Tests/images/test-card-lossless.jp2') + +def test_bytesio(): + with open("Tests/images/test-card-lossless.jp2", "rb") as f: + data = BytesIO(f.read()) + assert_image_similar_tofile(test_card, data, 1.0e-3) + + +# These two test pre-written JPEG 2000 files that were not written with +# PIL (they were made using Adobe Photoshop) + + +def test_lossless(tmp_path): + with Image.open("Tests/images/test-card-lossless.jp2") as im: im.load() - outfile = self.tempfile('temp_test-card.png') + outfile = str(tmp_path / "temp_test-card.png") im.save(outfile) - self.assert_image_similar(im, test_card, 1.0e-3) + assert_image_similar(im, test_card, 1.0e-3) - def test_lossy_tiled(self): - im = Image.open('Tests/images/test-card-lossy-tiled.jp2') - im.load() - self.assert_image_similar(im, test_card, 2.0) - def test_lossless_rt(self): - im = self.roundtrip(test_card) - self.assert_image_equal(im, test_card) +def test_lossy_tiled(): + assert_image_similar_tofile( + test_card, "Tests/images/test-card-lossy-tiled.jp2", 2.0 + ) + + +def test_lossless_rt(): + im = roundtrip(test_card) + assert_image_equal(im, test_card) + + +def test_lossy_rt(): + im = roundtrip(test_card, quality_layers=[20]) + assert_image_similar(im, test_card, 2.0) + + +def test_tiled_rt(): + im = roundtrip(test_card, tile_size=(128, 128)) + assert_image_equal(im, test_card) + - def test_lossy_rt(self): - im = self.roundtrip(test_card, quality_layers=[20]) - self.assert_image_similar(im, test_card, 2.0) +def test_tiled_offset_rt(): + im = roundtrip(test_card, tile_size=(128, 128), tile_offset=(0, 0), offset=(32, 32)) + assert_image_equal(im, test_card) - def test_tiled_rt(self): - im = self.roundtrip(test_card, tile_size=(128, 128)) - self.assert_image_equal(im, test_card) - def test_tiled_offset_rt(self): - im = self.roundtrip( - test_card, tile_size=(128, 128), - tile_offset=(0, 0), offset=(32, 32)) - self.assert_image_equal(im, test_card) +def test_tiled_offset_too_small(): + with pytest.raises(ValueError): + roundtrip(test_card, tile_size=(128, 128), tile_offset=(0, 0), offset=(128, 32)) - def test_irreversible_rt(self): - im = self.roundtrip(test_card, irreversible=True, quality_layers=[20]) - self.assert_image_similar(im, test_card, 2.0) - def test_prog_qual_rt(self): - im = self.roundtrip( - test_card, quality_layers=[60, 40, 20], progression='LRCP') - self.assert_image_similar(im, test_card, 2.0) +def test_irreversible_rt(): + im = roundtrip(test_card, irreversible=True, quality_layers=[20]) + assert_image_similar(im, test_card, 2.0) - def test_prog_res_rt(self): - im = self.roundtrip(test_card, num_resolutions=8, progression='RLCP') - self.assert_image_equal(im, test_card) - def test_reduce(self): - im = Image.open('Tests/images/test-card-lossless.jp2') +def test_prog_qual_rt(): + im = roundtrip(test_card, quality_layers=[60, 40, 20], progression="LRCP") + assert_image_similar(im, test_card, 2.0) + + +def test_prog_res_rt(): + im = roundtrip(test_card, num_resolutions=8, progression="RLCP") + assert_image_equal(im, test_card) + + +def test_default_num_resolutions(): + for num_resolutions in range(2, 6): + d = 1 << (num_resolutions - 1) + im = test_card.resize((d - 1, d - 1)) + with pytest.raises(OSError): + roundtrip(im, num_resolutions=num_resolutions) + reloaded = roundtrip(im) + assert_image_equal(im, reloaded) + + +def test_reduce(): + with Image.open("Tests/images/test-card-lossless.jp2") as im: + assert callable(im.reduce) + im.reduce = 2 + assert im.reduce == 2 + im.load() - self.assertEqual(im.size, (160, 120)) + assert im.size == (160, 120) - def test_layers(self): - out = BytesIO() - test_card.save(out, 'JPEG2000', quality_layers=[100, 50, 10], - progression='LRCP') - out.seek(0) + im.thumbnail((40, 40)) + assert im.size == (40, 30) - im = Image.open(out) - im.layers = 1 - im.load() - self.assert_image_similar(im, test_card, 13) - out.seek(0) - im = Image.open(out) - im.layers = 3 - im.load() - self.assert_image_similar(im, test_card, 0.4) +def test_load_dpi(): + with Image.open("Tests/images/test-card-lossless.jp2") as im: + assert im.info["dpi"] == (71.9836, 71.9836) - def test_rgba(self): - # Arrange - j2k = Image.open('Tests/images/rgb_trns_ycbc.j2k') - jp2 = Image.open('Tests/images/rgb_trns_ycbc.jp2') + with Image.open("Tests/images/zero_dpi.jp2") as im: + assert "dpi" not in im.info - # Act - j2k.load() - jp2.load() - # Assert - self.assertEqual(j2k.mode, 'RGBA') - self.assertEqual(jp2.mode, 'RGBA') +def test_restricted_icc_profile(): + ImageFile.LOAD_TRUNCATED_IMAGES = True + try: + # JPEG2000 image with a restricted ICC profile and a known colorspace + with Image.open("Tests/images/balloon_eciRGBv2_aware.jp2") as im: + assert im.mode == "RGB" + finally: + ImageFile.LOAD_TRUNCATED_IMAGES = False - def test_16bit_monochrome_has_correct_mode(self): - j2k = Image.open('Tests/images/16bit.cropped.j2k') - jp2 = Image.open('Tests/images/16bit.cropped.jp2') +def test_header_errors(): + for path in ( + "Tests/images/invalid_header_length.jp2", + "Tests/images/not_enough_data.jp2", + ): + with pytest.raises(UnidentifiedImageError): + with Image.open(path): + pass - j2k.load() - jp2.load() + with pytest.raises(OSError): + with Image.open("Tests/images/expected_to_read.jp2"): + pass + + +def test_layers_type(tmp_path): + outfile = str(tmp_path / "temp_layers.jp2") + for quality_layers in [[100, 50, 10], (100, 50, 10), None]: + test_card.save(outfile, quality_layers=quality_layers) + + for quality_layers in ["quality_layers", ("100", "50", "10")]: + with pytest.raises(ValueError): + test_card.save(outfile, quality_layers=quality_layers) - self.assertEqual(j2k.mode, 'I;16') - self.assertEqual(jp2.mode, 'I;16') - def test_16bit_monchrome_jp2_like_tiff(self): +def test_layers(): + out = BytesIO() + test_card.save(out, "JPEG2000", quality_layers=[100, 50, 10], progression="LRCP") + out.seek(0) - tiff_16bit = Image.open('Tests/images/16bit.cropped.tif') - jp2 = Image.open('Tests/images/16bit.cropped.jp2') - self.assert_image_similar(jp2, tiff_16bit, 1e-3) + with Image.open(out) as im: + im.layers = 1 + im.load() + assert_image_similar(im, test_card, 13) - def test_16bit_monchrome_j2k_like_tiff(self): + out.seek(0) + with Image.open(out) as im: + im.layers = 3 + im.load() + assert_image_similar(im, test_card, 0.4) - tiff_16bit = Image.open('Tests/images/16bit.cropped.tif') - j2k = Image.open('Tests/images/16bit.cropped.j2k') - self.assert_image_similar(j2k, tiff_16bit, 1e-3) - def test_16bit_j2k_roundtrips(self): +def test_rgba(): + # Arrange + with Image.open("Tests/images/rgb_trns_ycbc.j2k") as j2k: + with Image.open("Tests/images/rgb_trns_ycbc.jp2") as jp2: - j2k = Image.open('Tests/images/16bit.cropped.j2k') - im = self.roundtrip(j2k) - self.assert_image_equal(im, j2k) + # Act + j2k.load() + jp2.load() - def test_16bit_jp2_roundtrips(self): + # Assert + assert j2k.mode == "RGBA" + assert jp2.mode == "RGBA" - jp2 = Image.open('Tests/images/16bit.cropped.jp2') - im = self.roundtrip(jp2) - self.assert_image_equal(im, jp2) - def test_unbound_local(self): - # prepatch, a malformed jp2 file could cause an UnboundLocalError - # exception. - try: - jp2 = Image.open('Tests/images/unbound_variable.jp2') - self.assertTrue(False, 'Expecting an exception') - except SyntaxError as err: - self.assertTrue(True, 'Expecting a syntax error') - except IOError as err: - self.assertTrue(True, 'Expecting an IO error') - except UnboundLocalError as err: - self.assertTrue(False, "Prepatch error") +def test_16bit_monochrome_has_correct_mode(): + with Image.open("Tests/images/16bit.cropped.j2k") as j2k: + j2k.load() + assert j2k.mode == "I;16" -if __name__ == '__main__': - unittest.main() + with Image.open("Tests/images/16bit.cropped.jp2") as jp2: + jp2.load() + assert jp2.mode == "I;16" + + +def test_16bit_monochrome_jp2_like_tiff(): + with Image.open("Tests/images/16bit.cropped.tif") as tiff_16bit: + assert_image_similar_tofile(tiff_16bit, "Tests/images/16bit.cropped.jp2", 1e-3) + + +def test_16bit_monochrome_j2k_like_tiff(): + with Image.open("Tests/images/16bit.cropped.tif") as tiff_16bit: + assert_image_similar_tofile(tiff_16bit, "Tests/images/16bit.cropped.j2k", 1e-3) + + +def test_16bit_j2k_roundtrips(): + with Image.open("Tests/images/16bit.cropped.j2k") as j2k: + im = roundtrip(j2k) + assert_image_equal(im, j2k) + + +def test_16bit_jp2_roundtrips(): + with Image.open("Tests/images/16bit.cropped.jp2") as jp2: + im = roundtrip(jp2) + assert_image_equal(im, jp2) + + +def test_unbound_local(): + # prepatch, a malformed jp2 file could cause an UnboundLocalError exception. + with pytest.raises(OSError): + with Image.open("Tests/images/unbound_variable.jp2"): + pass + + +def test_parser_feed(): + # Arrange + with open("Tests/images/test-card-lossless.jp2", "rb") as f: + data = f.read() + + # Act + p = ImageFile.Parser() + p.feed(data) + + # Assert + assert p.image.size == (640, 480) + + +@pytest.mark.skipif( + not os.path.exists(EXTRA_DIR), reason="Extra image files not installed" +) +@pytest.mark.parametrize("name", ("subsampling_1", "subsampling_2", "zoo1", "zoo2")) +def test_subsampling_decode(name): + test = f"{EXTRA_DIR}/{name}.jp2" + reference = f"{EXTRA_DIR}/{name}.ppm" + + with Image.open(test) as im: + epsilon = 3 # for YCbCr images + with Image.open(reference) as im2: + width, height = im2.size + if name[-1] == "2": + # RGB reference images are downscaled + epsilon = 3e-3 + width, height = width * 2, height * 2 + expected = im2.resize((width, height), Image.NEAREST) + assert_image_similar(im, expected, epsilon) + + +@pytest.mark.parametrize( + "test_file", + [ + "Tests/images/crash-4fb027452e6988530aa5dabee76eecacb3b79f8a.j2k", + "Tests/images/crash-7d4c83eb92150fb8f1653a697703ae06ae7c4998.j2k", + "Tests/images/crash-ccca68ff40171fdae983d924e127a721cab2bd50.j2k", + "Tests/images/crash-d2c93af851d3ab9a19e34503626368b2ecde9c03.j2k", + ], +) +def test_crashes(test_file): + with open(test_file, "rb") as f: + with Image.open(f) as im: + # Valgrind should not complain here + try: + im.load() + except OSError: + pass diff --git a/Tests/test_file_libtiff.py b/Tests/test_file_libtiff.py index 6e40d4b37cb..e40a19394bf 100644 --- a/Tests/test_file_libtiff.py +++ b/Tests/test_file_libtiff.py @@ -1,369 +1,532 @@ -from __future__ import print_function -from helper import unittest, PillowTestCase, hopper, py3 - -from ctypes import c_float +import base64 import io -import logging import itertools import os +import re +from collections import namedtuple +from ctypes import c_float -from PIL import Image, TiffImagePlugin, TiffTags - -logger = logging.getLogger(__name__) - +import pytest -class LibTiffTestCase(PillowTestCase): +from PIL import Image, ImageFilter, TiffImagePlugin, TiffTags, features +from PIL.TiffImagePlugin import SAMPLEFORMAT, STRIPOFFSETS, SUBIFD - def setUp(self): - codecs = dir(Image.core) +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + assert_image_similar_tofile, + hopper, + mark_if_feature_version, + skip_unless_feature, +) - if "libtiff_encoder" not in codecs or "libtiff_decoder" not in codecs: - self.skipTest("tiff support not available") - def _assert_noerr(self, im): +@skip_unless_feature("libtiff") +class LibTiffTestCase: + def _assert_noerr(self, tmp_path, im): """Helper tests that assert basic sanity about the g4 tiff reading""" # 1 bit - self.assertEqual(im.mode, "1") + assert im.mode == "1" # Does the data actually load im.load() im.getdata() try: - self.assertEqual(im._compression, 'group4') - except: + assert im._compression == "group4" + except AttributeError: print("No _compression") print(dir(im)) # can we write it back out, in a different form. - out = self.tempfile("temp.png") + out = str(tmp_path / "temp.png") im.save(out) + out_bytes = io.BytesIO() + im.save(out_bytes, format="tiff", compression="group4") + class TestFileLibTiff(LibTiffTestCase): + def test_version(self): + assert re.search(r"\d+\.\d+\.\d+$", features.version_codec("libtiff")) - def test_g4_tiff(self): + def test_g4_tiff(self, tmp_path): """Test the ordinary file path load path""" test_file = "Tests/images/hopper_g4_500.tif" - im = Image.open(test_file) + with Image.open(test_file) as im: + assert im.size == (500, 500) + self._assert_noerr(tmp_path, im) - self.assertEqual(im.size, (500, 500)) - self._assert_noerr(im) - - def test_g4_large(self): + def test_g4_large(self, tmp_path): test_file = "Tests/images/pport_g4.tif" - im = Image.open(test_file) - self._assert_noerr(im) + with Image.open(test_file) as im: + self._assert_noerr(tmp_path, im) - def test_g4_tiff_file(self): + def test_g4_tiff_file(self, tmp_path): """Testing the string load path""" test_file = "Tests/images/hopper_g4_500.tif" - with open(test_file, 'rb') as f: - im = Image.open(f) - - self.assertEqual(im.size, (500, 500)) - self._assert_noerr(im) + with open(test_file, "rb") as f: + with Image.open(f) as im: + assert im.size == (500, 500) + self._assert_noerr(tmp_path, im) - def test_g4_tiff_bytesio(self): + def test_g4_tiff_bytesio(self, tmp_path): """Testing the stringio loading code path""" test_file = "Tests/images/hopper_g4_500.tif" s = io.BytesIO() - with open(test_file, 'rb') as f: + with open(test_file, "rb") as f: s.write(f.read()) s.seek(0) - im = Image.open(s) + with Image.open(s) as im: + assert im.size == (500, 500) + self._assert_noerr(tmp_path, im) - self.assertEqual(im.size, (500, 500)) - self._assert_noerr(im) + def test_g4_non_disk_file_object(self, tmp_path): + """Testing loading from non-disk non-BytesIO file object""" + test_file = "Tests/images/hopper_g4_500.tif" + s = io.BytesIO() + with open(test_file, "rb") as f: + s.write(f.read()) + s.seek(0) + r = io.BufferedReader(s) + with Image.open(r) as im: + assert im.size == (500, 500) + self._assert_noerr(tmp_path, im) def test_g4_eq_png(self): - """ Checking that we're actually getting the data that we expect""" - png = Image.open('Tests/images/hopper_bw_500.png') - g4 = Image.open('Tests/images/hopper_g4_500.tif') - - self.assert_image_equal(g4, png) + """Checking that we're actually getting the data that we expect""" + with Image.open("Tests/images/hopper_bw_500.png") as png: + assert_image_equal_tofile(png, "Tests/images/hopper_g4_500.tif") # see https://github.com/python-pillow/Pillow/issues/279 def test_g4_fillorder_eq_png(self): - """ Checking that we're actually getting the data that we expect""" - png = Image.open('Tests/images/g4-fillorder-test.png') - g4 = Image.open('Tests/images/g4-fillorder-test.tif') - - self.assert_image_equal(g4, png) + """Checking that we're actually getting the data that we expect""" + with Image.open("Tests/images/g4-fillorder-test.tif") as g4: + assert_image_equal_tofile(g4, "Tests/images/g4-fillorder-test.png") - def test_g4_write(self): + def test_g4_write(self, tmp_path): """Checking to see that the saved image is the same as what we wrote""" test_file = "Tests/images/hopper_g4_500.tif" - orig = Image.open(test_file) - - out = self.tempfile("temp.tif") - rot = orig.transpose(Image.ROTATE_90) - self.assertEqual(rot.size, (500, 500)) - rot.save(out) + with Image.open(test_file) as orig: + out = str(tmp_path / "temp.tif") + rot = orig.transpose(Image.ROTATE_90) + assert rot.size == (500, 500) + rot.save(out) - reread = Image.open(out) - self.assertEqual(reread.size, (500, 500)) - self._assert_noerr(reread) - self.assert_image_equal(reread, rot) - self.assertEqual(reread.info['compression'], 'group4') + with Image.open(out) as reread: + assert reread.size == (500, 500) + self._assert_noerr(tmp_path, reread) + assert_image_equal(reread, rot) + assert reread.info["compression"] == "group4" - self.assertEqual(reread.info['compression'], orig.info['compression']) + assert reread.info["compression"] == orig.info["compression"] - self.assertNotEqual(orig.tobytes(), reread.tobytes()) + assert orig.tobytes() != reread.tobytes() def test_adobe_deflate_tiff(self): test_file = "Tests/images/tiff_adobe_deflate.tif" - im = Image.open(test_file) + with Image.open(test_file) as im: + assert im.mode == "RGB" + assert im.size == (278, 374) + assert im.tile[0][:3] == ("libtiff", (0, 0, 278, 374), 0) + im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (278, 374)) - self.assertEqual( - im.tile[0][:3], ('tiff_adobe_deflate', (0, 0, 278, 374), 0)) - im.load() + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") - def test_write_metadata(self): - """ Test metadata writing through libtiff """ + def test_write_metadata(self, tmp_path): + """Test metadata writing through libtiff""" for legacy_api in [False, True]: - img = Image.open('Tests/images/hopper_g4.tif') - f = self.tempfile('temp.tiff') - - img.save(f, tiffinfo=img.tag) + f = str(tmp_path / "temp.tiff") + with Image.open("Tests/images/hopper_g4.tif") as img: + img.save(f, tiffinfo=img.tag) - if legacy_api: - original = img.tag.named() - else: - original = img.tag_v2.named() + if legacy_api: + original = img.tag.named() + else: + original = img.tag_v2.named() # PhotometricInterpretation is set from SAVE_INFO, # not the original image. - ignored = ['StripByteCounts', 'RowsPerStrip', 'PageNumber', - 'PhotometricInterpretation'] - - loaded = Image.open(f) - if legacy_api: - reloaded = loaded.tag.named() - else: - reloaded = loaded.tag_v2.named() - - for tag, value in itertools.chain(reloaded.items(), - original.items()): + ignored = [ + "StripByteCounts", + "RowsPerStrip", + "PageNumber", + "PhotometricInterpretation", + ] + + with Image.open(f) as loaded: + if legacy_api: + reloaded = loaded.tag.named() + else: + reloaded = loaded.tag_v2.named() + + for tag, value in itertools.chain(reloaded.items(), original.items()): if tag not in ignored: val = original[tag] - if tag.endswith('Resolution'): + if tag.endswith("Resolution"): if legacy_api: - self.assertEqual( - c_float(val[0][0] / val[0][1]).value, - c_float(value[0][0] / value[0][1]).value, - msg="%s didn't roundtrip" % tag) + assert ( + c_float(val[0][0] / val[0][1]).value + == c_float(value[0][0] / value[0][1]).value + ), f"{tag} didn't roundtrip" else: - self.assertEqual( - c_float(val).value, c_float(value).value, - msg="%s didn't roundtrip" % tag) + assert ( + c_float(val).value == c_float(value).value + ), f"{tag} didn't roundtrip" else: - self.assertEqual( - val, value, msg="%s didn't roundtrip" % tag) + assert val == value, f"{tag} didn't roundtrip" # https://github.com/python-pillow/Pillow/issues/1561 - requested_fields = ['StripByteCounts', - 'RowsPerStrip', - 'StripOffsets'] + requested_fields = ["StripByteCounts", "RowsPerStrip", "StripOffsets"] for field in requested_fields: - self.assertTrue(field in reloaded, - "%s not in metadata" % field) + assert field in reloaded, f"{field} not in metadata" - def test_additional_metadata(self): + @pytest.mark.valgrind_known_error(reason="Known invalid metadata") + def test_additional_metadata(self, tmp_path): # these should not crash. Seriously dummy data, most of it doesn't make # any sense, so we're running up against limits where we're asking # libtiff to do stupid things. # Get the list of the ones that we should be able to write - core_items = dict((tag, info) for tag, info in [(s, TiffTags.lookup(s)) for s - in TiffTags.LIBTIFF_CORE] - if info.type is not None) + core_items = { + tag: info + for tag, info in ((s, TiffTags.lookup(s)) for s in TiffTags.LIBTIFF_CORE) + if info.type is not None + } # Exclude ones that have special meaning # that we're already testing them - im = Image.open('Tests/images/hopper_g4.tif') - for tag in im.tag_v2.keys(): - try: - del(core_items[tag]) - except: - pass - - # Type codes: - # 2: "ascii", - # 3: "short", - # 4: "long", - # 5: "rational", - # 12: "double", - # type: dummy value - values = {2: 'test', - 3: 1, - 4: 2**20, - 5: TiffImagePlugin.IFDRational(100, 1), - 12: 1.05} - - new_ifd = TiffImagePlugin.ImageFileDirectory_v2() - for tag, info in core_items.items(): - if info.length == 1: - new_ifd[tag] = values[info.type] - if info.length == 0: - new_ifd[tag] = tuple(values[info.type] for _ in range(3)) - else: - new_ifd[tag] = tuple(values[info.type] for _ in range(info.length)) - - # Extra samples really doesn't make sense in this application. - del(new_ifd[338]) - - out = self.tempfile("temp.tif") - TiffImagePlugin.WRITE_LIBTIFF = True + with Image.open("Tests/images/hopper_g4.tif") as im: + for tag in im.tag_v2: + try: + del core_items[tag] + except KeyError: + pass + del core_items[320] # colormap is special, tested below + + # Type codes: + # 2: "ascii", + # 3: "short", + # 4: "long", + # 5: "rational", + # 12: "double", + # Type: dummy value + values = { + 2: "test", + 3: 1, + 4: 2 ** 20, + 5: TiffImagePlugin.IFDRational(100, 1), + 12: 1.05, + } + + new_ifd = TiffImagePlugin.ImageFileDirectory_v2() + for tag, info in core_items.items(): + if info.length == 1: + new_ifd[tag] = values[info.type] + if info.length == 0: + new_ifd[tag] = tuple(values[info.type] for _ in range(3)) + else: + new_ifd[tag] = tuple(values[info.type] for _ in range(info.length)) + + # Extra samples really doesn't make sense in this application. + del new_ifd[338] + + out = str(tmp_path / "temp.tif") + TiffImagePlugin.WRITE_LIBTIFF = True + + im.save(out, tiffinfo=new_ifd) - im.save(out, tiffinfo=new_ifd) + TiffImagePlugin.WRITE_LIBTIFF = False + def test_custom_metadata(self, tmp_path): + tc = namedtuple("test_case", "value,type,supported_by_default") + custom = { + 37000 + k: v + for k, v in enumerate( + [ + tc(4, TiffTags.SHORT, True), + tc(123456789, TiffTags.LONG, True), + tc(-4, TiffTags.SIGNED_BYTE, False), + tc(-4, TiffTags.SIGNED_SHORT, False), + tc(-123456789, TiffTags.SIGNED_LONG, False), + tc(TiffImagePlugin.IFDRational(4, 7), TiffTags.RATIONAL, True), + tc(4.25, TiffTags.FLOAT, True), + tc(4.25, TiffTags.DOUBLE, True), + tc("custom tag value", TiffTags.ASCII, True), + tc(b"custom tag value", TiffTags.BYTE, True), + tc((4, 5, 6), TiffTags.SHORT, True), + tc((123456789, 9, 34, 234, 219387, 92432323), TiffTags.LONG, True), + tc((-4, 9, 10), TiffTags.SIGNED_BYTE, False), + tc((-4, 5, 6), TiffTags.SIGNED_SHORT, False), + tc( + (-123456789, 9, 34, 234, 219387, -92432323), + TiffTags.SIGNED_LONG, + False, + ), + tc((4.25, 5.25), TiffTags.FLOAT, True), + tc((4.25, 5.25), TiffTags.DOUBLE, True), + # array of TIFF_BYTE requires bytes instead of tuple for backwards + # compatibility + tc(bytes([4]), TiffTags.BYTE, True), + tc(bytes((4, 9, 10)), TiffTags.BYTE, True), + ] + ) + } + + libtiffs = [False] + if Image.core.libtiff_support_custom_tags: + libtiffs.append(True) + + for libtiff in libtiffs: + TiffImagePlugin.WRITE_LIBTIFF = libtiff + + def check_tags(tiffinfo): + im = hopper() + + out = str(tmp_path / "temp.tif") + im.save(out, tiffinfo=tiffinfo) + + with Image.open(out) as reloaded: + for tag, value in tiffinfo.items(): + reloaded_value = reloaded.tag_v2[tag] + if ( + isinstance(reloaded_value, TiffImagePlugin.IFDRational) + and libtiff + ): + # libtiff does not support real RATIONALS + assert ( + round(abs(float(reloaded_value) - float(value)), 7) == 0 + ) + continue + + assert reloaded_value == value + + # Test with types + ifd = TiffImagePlugin.ImageFileDirectory_v2() + for tag, tagdata in custom.items(): + ifd[tag] = tagdata.value + ifd.tagtype[tag] = tagdata.type + check_tags(ifd) + + # Test without types. This only works for some types, int for example are + # always encoded as LONG and not SIGNED_LONG. + check_tags( + { + tag: tagdata.value + for tag, tagdata in custom.items() + if tagdata.supported_by_default + } + ) TiffImagePlugin.WRITE_LIBTIFF = False - def test_g3_compression(self): - i = Image.open('Tests/images/hopper_g4_500.tif') - out = self.tempfile("temp.tif") - i.save(out, compression='group3') - - reread = Image.open(out) - self.assertEqual(reread.info['compression'], 'group3') - self.assert_image_equal(reread, i) - - def test_little_endian(self): - im = Image.open('Tests/images/16bit.deflate.tif') - self.assertEqual(im.getpixel((0, 0)), 480) - self.assertEqual(im.mode, 'I;16') - - b = im.tobytes() - # Bytes are in image native order (little endian) - if py3: - self.assertEqual(b[0], ord(b'\xe0')) - self.assertEqual(b[1], ord(b'\x01')) - else: - self.assertEqual(b[0], b'\xe0') - self.assertEqual(b[1], b'\x01') - - out = self.tempfile("temp.tif") - # out = "temp.le.tif" - im.save(out) - reread = Image.open(out) + def test_subifd(self, tmp_path): + outfile = str(tmp_path / "temp.tif") + with Image.open("Tests/images/g4_orientation_6.tif") as im: + im.tag_v2[SUBIFD] = 10000 - self.assertEqual(reread.info['compression'], im.info['compression']) - self.assertEqual(reread.getpixel((0, 0)), 480) - # UNDONE - libtiff defaults to writing in native endian, so - # on big endian, we'll get back mode = 'I;16B' here. + # Should not segfault + im.save(outfile) + + def test_xmlpacket_tag(self, tmp_path): + TiffImagePlugin.WRITE_LIBTIFF = True - def test_big_endian(self): - im = Image.open('Tests/images/16bit.MM.deflate.tif') + out = str(tmp_path / "temp.tif") + hopper().save(out, tiffinfo={700: b"xmlpacket tag"}) + TiffImagePlugin.WRITE_LIBTIFF = False + + with Image.open(out) as reloaded: + if 700 in reloaded.tag_v2: + assert reloaded.tag_v2[700] == b"xmlpacket tag" - self.assertEqual(im.getpixel((0, 0)), 480) - self.assertEqual(im.mode, 'I;16B') + def test_int_dpi(self, tmp_path): + # issue #1765 + im = hopper("RGB") + out = str(tmp_path / "temp.tif") + TiffImagePlugin.WRITE_LIBTIFF = True + im.save(out, dpi=(72, 72)) + TiffImagePlugin.WRITE_LIBTIFF = False + with Image.open(out) as reloaded: + assert reloaded.info["dpi"] == (72.0, 72.0) + + def test_g3_compression(self, tmp_path): + with Image.open("Tests/images/hopper_g4_500.tif") as i: + out = str(tmp_path / "temp.tif") + i.save(out, compression="group3") + + with Image.open(out) as reread: + assert reread.info["compression"] == "group3" + assert_image_equal(reread, i) + + def test_little_endian(self, tmp_path): + with Image.open("Tests/images/16bit.deflate.tif") as im: + assert im.getpixel((0, 0)) == 480 + assert im.mode == "I;16" + + b = im.tobytes() + # Bytes are in image native order (little endian) + assert b[0] == ord(b"\xe0") + assert b[1] == ord(b"\x01") + + out = str(tmp_path / "temp.tif") + # out = "temp.le.tif" + im.save(out) + with Image.open(out) as reread: + assert reread.info["compression"] == im.info["compression"] + assert reread.getpixel((0, 0)) == 480 + # UNDONE - libtiff defaults to writing in native endian, so + # on big endian, we'll get back mode = 'I;16B' here. - b = im.tobytes() + def test_big_endian(self, tmp_path): + with Image.open("Tests/images/16bit.MM.deflate.tif") as im: + assert im.getpixel((0, 0)) == 480 + assert im.mode == "I;16B" - # Bytes are in image native order (big endian) - if py3: - self.assertEqual(b[0], ord(b'\x01')) - self.assertEqual(b[1], ord(b'\xe0')) - else: - self.assertEqual(b[0], b'\x01') - self.assertEqual(b[1], b'\xe0') + b = im.tobytes() - out = self.tempfile("temp.tif") - im.save(out) - reread = Image.open(out) + # Bytes are in image native order (big endian) + assert b[0] == ord(b"\x01") + assert b[1] == ord(b"\xe0") - self.assertEqual(reread.info['compression'], im.info['compression']) - self.assertEqual(reread.getpixel((0, 0)), 480) + out = str(tmp_path / "temp.tif") + im.save(out) + with Image.open(out) as reread: + assert reread.info["compression"] == im.info["compression"] + assert reread.getpixel((0, 0)) == 480 - def test_g4_string_info(self): + def test_g4_string_info(self, tmp_path): """Tests String data in info directory""" test_file = "Tests/images/hopper_g4_500.tif" - orig = Image.open(test_file) - - out = self.tempfile("temp.tif") + with Image.open(test_file) as orig: + out = str(tmp_path / "temp.tif") - orig.tag[269] = 'temp.tif' - orig.save(out) + orig.tag[269] = "temp.tif" + orig.save(out) - reread = Image.open(out) - self.assertEqual('temp.tif', reread.tag_v2[269]) - self.assertEqual('temp.tif', reread.tag[269][0]) + with Image.open(out) as reread: + assert "temp.tif" == reread.tag_v2[269] + assert "temp.tif" == reread.tag[269][0] def test_12bit_rawmode(self): - """ Are we generating the same interpretation - of the image as Imagemagick is? """ + """Are we generating the same interpretation + of the image as Imagemagick is?""" TiffImagePlugin.READ_LIBTIFF = True - im = Image.open('Tests/images/12bit.cropped.tif') - im.load() - TiffImagePlugin.READ_LIBTIFF = False - # to make the target -- - # convert 12bit.cropped.tif -depth 16 tmp.tif - # convert tmp.tif -evaluate RightShift 4 12in16bit2.tif - # imagemagick will auto scale so that a 12bit FFF is 16bit FFF0, - # so we need to unshift so that the integer values are the same. - - im2 = Image.open('Tests/images/12in16bit.tif') - - logger.debug("%s", [img.getpixel((0, idx)) - for img in [im, im2] for idx in range(3)]) - - self.assert_image_equal(im, im2) - - def test_blur(self): + with Image.open("Tests/images/12bit.cropped.tif") as im: + im.load() + TiffImagePlugin.READ_LIBTIFF = False + # to make the target -- + # convert 12bit.cropped.tif -depth 16 tmp.tif + # convert tmp.tif -evaluate RightShift 4 12in16bit2.tif + # imagemagick will auto scale so that a 12bit FFF is 16bit FFF0, + # so we need to unshift so that the integer values are the same. + + assert_image_equal_tofile(im, "Tests/images/12in16bit.tif") + + def test_blur(self, tmp_path): # test case from irc, how to do blur on b/w image # and save to compressed tif. - from PIL import ImageFilter - out = self.tempfile('temp.tif') - im = Image.open('Tests/images/pport_g4.tif') - im = im.convert('L') + out = str(tmp_path / "temp.tif") + with Image.open("Tests/images/pport_g4.tif") as im: + im = im.convert("L") im = im.filter(ImageFilter.GaussianBlur(4)) - im.save(out, compression='tiff_adobe_deflate') - - im2 = Image.open(out) - im2.load() + im.save(out, compression="tiff_adobe_deflate") - self.assert_image_equal(im, im2) + assert_image_equal_tofile(im, out) - def test_compressions(self): - im = hopper('RGB') - out = self.tempfile('temp.tif') + def test_compressions(self, tmp_path): + # Test various tiff compressions and assert similar image content but reduced + # file sizes. + im = hopper("RGB") + out = str(tmp_path / "temp.tif") + im.save(out) + size_raw = os.path.getsize(out) - for compression in ('packbits', 'tiff_lzw'): + for compression in ("packbits", "tiff_lzw"): im.save(out, compression=compression) - im2 = Image.open(out) - self.assert_image_equal(im, im2) - - im.save(out, compression='jpeg') - im2 = Image.open(out) - self.assert_image_similar(im, im2, 30) + size_compressed = os.path.getsize(out) + assert_image_equal_tofile(im, out) + + im.save(out, compression="jpeg") + size_jpeg = os.path.getsize(out) + with Image.open(out) as im2: + assert_image_similar(im, im2, 30) + + im.save(out, compression="jpeg", quality=30) + size_jpeg_30 = os.path.getsize(out) + assert_image_similar_tofile(im2, out, 30) + + assert size_raw > size_compressed + assert size_compressed > size_jpeg + assert size_jpeg > size_jpeg_30 + + def test_tiff_jpeg_compression(self, tmp_path): + im = hopper("RGB") + out = str(tmp_path / "temp.tif") + im.save(out, compression="tiff_jpeg") + + with Image.open(out) as reloaded: + assert reloaded.info["compression"] == "jpeg" + + def test_tiff_deflate_compression(self, tmp_path): + im = hopper("RGB") + out = str(tmp_path / "temp.tif") + im.save(out, compression="tiff_deflate") + + with Image.open(out) as reloaded: + assert reloaded.info["compression"] == "tiff_adobe_deflate" + + def test_quality(self, tmp_path): + im = hopper("RGB") + out = str(tmp_path / "temp.tif") + + with pytest.raises(ValueError): + im.save(out, compression="tiff_lzw", quality=50) + with pytest.raises(ValueError): + im.save(out, compression="jpeg", quality=-1) + with pytest.raises(ValueError): + im.save(out, compression="jpeg", quality=101) + with pytest.raises(ValueError): + im.save(out, compression="jpeg", quality="good") + im.save(out, compression="jpeg", quality=0) + im.save(out, compression="jpeg", quality=100) + + def test_cmyk_save(self, tmp_path): + im = hopper("CMYK") + out = str(tmp_path / "temp.tif") + + im.save(out, compression="tiff_adobe_deflate") + assert_image_equal_tofile(im, out) + + def test_palette_save(self, tmp_path): + im = hopper("P") + out = str(tmp_path / "temp.tif") - def test_cmyk_save(self): - im = hopper('CMYK') - out = self.tempfile('temp.tif') + TiffImagePlugin.WRITE_LIBTIFF = True + im.save(out) + TiffImagePlugin.WRITE_LIBTIFF = False - im.save(out, compression='tiff_adobe_deflate') - im2 = Image.open(out) - self.assert_image_equal(im, im2) + with Image.open(out) as reloaded: + # colormap/palette tag + assert len(reloaded.tag_v2[320]) == 768 - def xtest_bw_compression_w_rgb(self): - """ This test passes, but when running all tests causes a failure due - to output on stderr from the error thrown by libtiff. We need to - capture that but not now""" + def xtest_bw_compression_w_rgb(self, tmp_path): + """This test passes, but when running all tests causes a failure due + to output on stderr from the error thrown by libtiff. We need to + capture that but not now""" - im = hopper('RGB') - out = self.tempfile('temp.tif') + im = hopper("RGB") + out = str(tmp_path / "temp.tif") - self.assertRaises( - IOError, lambda: im.save(out, compression='tiff_ccitt')) - self.assertRaises(IOError, lambda: im.save(out, compression='group3')) - self.assertRaises(IOError, lambda: im.save(out, compression='group4')) + with pytest.raises(OSError): + im.save(out, compression="tiff_ccitt") + with pytest.raises(OSError): + im.save(out, compression="group3") + with pytest.raises(OSError): + im.save(out, compression="group4") def test_fp_leak(self): im = Image.open("Tests/images/hopper_g4_500.tif") @@ -371,40 +534,67 @@ def test_fp_leak(self): os.fstat(fn) im.load() # this should close it. - self.assertRaises(OSError, lambda: os.fstat(fn)) + with pytest.raises(OSError): + os.fstat(fn) im = None # this should force even more closed. - self.assertRaises(OSError, lambda: os.fstat(fn)) - self.assertRaises(OSError, lambda: os.close(fn)) + with pytest.raises(OSError): + os.fstat(fn) + with pytest.raises(OSError): + os.close(fn) def test_multipage(self): # issue #862 TiffImagePlugin.READ_LIBTIFF = True - im = Image.open('Tests/images/multipage.tiff') - # file is a multipage tiff, 10x10 green, 10x10 red, 20x20 blue + with Image.open("Tests/images/multipage.tiff") as im: + # file is a multipage tiff, 10x10 green, 10x10 red, 20x20 blue - im.seek(0) - self.assertEqual(im.size, (10, 10)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 128, 0)) - self.assertTrue(im.tag.next) + im.seek(0) + assert im.size == (10, 10) + assert im.convert("RGB").getpixel((0, 0)) == (0, 128, 0) + assert im.tag.next - im.seek(1) - self.assertEqual(im.size, (10, 10)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (255, 0, 0)) - self.assertTrue(im.tag.next) + im.seek(1) + assert im.size == (10, 10) + assert im.convert("RGB").getpixel((0, 0)) == (255, 0, 0) + assert im.tag.next - im.seek(2) - self.assertFalse(im.tag.next) - self.assertEqual(im.size, (20, 20)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 0, 255)) + im.seek(2) + assert not im.tag.next + assert im.size == (20, 20) + assert im.convert("RGB").getpixel((0, 0)) == (0, 0, 255) + + TiffImagePlugin.READ_LIBTIFF = False + + def test_multipage_nframes(self): + # issue #862 + TiffImagePlugin.READ_LIBTIFF = True + with Image.open("Tests/images/multipage.tiff") as im: + frames = im.n_frames + assert frames == 3 + for _ in range(frames): + im.seek(0) + # Should not raise ValueError: I/O operation on closed file + im.load() + + TiffImagePlugin.READ_LIBTIFF = False + + def test_multipage_seek_backwards(self): + TiffImagePlugin.READ_LIBTIFF = True + with Image.open("Tests/images/multipage.tiff") as im: + im.seek(1) + im.load() + + im.seek(0) + assert im.convert("RGB").getpixel((0, 0)) == (0, 128, 0) TiffImagePlugin.READ_LIBTIFF = False def test__next(self): TiffImagePlugin.READ_LIBTIFF = True - im = Image.open('Tests/images/hopper.tif') - self.assertFalse(im.tag.next) - im.load() - self.assertFalse(im.tag.next) + with Image.open("Tests/images/hopper.tif") as im: + assert not im.tag.next + im.load() + assert not im.tag.next def test_4bit(self): # Arrange @@ -413,13 +603,13 @@ def test_4bit(self): # Act TiffImagePlugin.READ_LIBTIFF = True - im = Image.open(test_file) - TiffImagePlugin.READ_LIBTIFF = False + with Image.open(test_file) as im: + TiffImagePlugin.READ_LIBTIFF = False - # Assert - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.mode, "L") - self.assert_image_similar(im, original, 7.3) + # Assert + assert im.size == (128, 128) + assert im.mode == "L" + assert_image_similar(im, original, 7.3) def test_gray_semibyte_per_pixel(self): test_files = ( @@ -430,7 +620,7 @@ def test_gray_semibyte_per_pixel(self): "Tests/images/tiff_gray_2_4_bpp/hopper2I.tif", "Tests/images/tiff_gray_2_4_bpp/hopper2R.tif", "Tests/images/tiff_gray_2_4_bpp/hopper2IR.tif", - ) + ), ), ( 7.3, # epsilon @@ -439,20 +629,20 @@ def test_gray_semibyte_per_pixel(self): "Tests/images/tiff_gray_2_4_bpp/hopper4I.tif", "Tests/images/tiff_gray_2_4_bpp/hopper4R.tif", "Tests/images/tiff_gray_2_4_bpp/hopper4IR.tif", - ) + ), ), ) original = hopper("L") for epsilon, group in test_files: - im = Image.open(group[0]) - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.mode, "L") - self.assert_image_similar(im, original, epsilon) + with Image.open(group[0]) as im: + assert im.size == (128, 128) + assert im.mode == "L" + assert_image_similar(im, original, epsilon) for file in group[1:]: - im2 = Image.open(file) - self.assertEqual(im2.size, (128, 128)) - self.assertEqual(im2.mode, "L") - self.assert_image_equal(im, im2) + with Image.open(file) as im2: + assert im2.size == (128, 128) + assert im2.mode == "L" + assert_image_equal(im, im2) def test_save_bytesio(self): # PR 1011 @@ -470,59 +660,378 @@ def save_bytesio(compression=None): pilim.save(buffer_io, format="tiff", compression=compression) buffer_io.seek(0) - pilim_load = Image.open(buffer_io) - self.assert_image_similar(pilim, pilim_load, 0) + assert_image_similar_tofile(pilim, buffer_io, 0) - # save_bytesio() - save_bytesio('raw') + save_bytesio() + save_bytesio("raw") save_bytesio("packbits") save_bytesio("tiff_lzw") TiffImagePlugin.WRITE_LIBTIFF = False TiffImagePlugin.READ_LIBTIFF = False - def test_crashing_metadata(self): + def test_save_ycbcr(self, tmp_path): + im = hopper("YCbCr") + outfile = str(tmp_path / "temp.tif") + im.save(outfile, compression="jpeg") + + with Image.open(outfile) as reloaded: + assert reloaded.tag_v2[530] == (1, 1) + assert reloaded.tag_v2[532] == (0, 255, 128, 255, 128, 255) + + def test_crashing_metadata(self, tmp_path): # issue 1597 - im = Image.open('Tests/images/rdf.tif') - out = self.tempfile('temp.tif') + with Image.open("Tests/images/rdf.tif") as im: + out = str(tmp_path / "temp.tif") - TiffImagePlugin.WRITE_LIBTIFF = True - # this shouldn't crash - im.save(out, format='TIFF') + TiffImagePlugin.WRITE_LIBTIFF = True + # this shouldn't crash + im.save(out, format="TIFF") TiffImagePlugin.WRITE_LIBTIFF = False - def test_page_number_x_0(self): + def test_page_number_x_0(self, tmp_path): # Issue 973 # Test TIFF with tag 297 (Page Number) having value of 0 0. # The first number is the current page number. # The second is the total number of pages, zero means not available. - outfile = self.tempfile("temp.tif") + outfile = str(tmp_path / "temp.tif") # Created by printing a page in Chrome to PDF, then: # /usr/bin/gs -q -sDEVICE=tiffg3 -sOutputFile=total-pages-zero.tif # -dNOPAUSE /tmp/test.pdf -c quit infile = "Tests/images/total-pages-zero.tif" - im = Image.open(infile) - # Should not divide by zero - im.save(outfile) + with Image.open(infile) as im: + # Should not divide by zero + im.save(outfile) - def test_fd_duplication(self): + def test_fd_duplication(self, tmp_path): # https://github.com/python-pillow/Pillow/issues/1651 - tmpfile = self.tempfile("temp.tif") - with open(tmpfile, 'wb') as f: - with open("Tests/images/g4-multi.tiff", 'rb') as src: + tmpfile = str(tmp_path / "temp.tif") + with open(tmpfile, "wb") as f: + with open("Tests/images/g4-multi.tiff", "rb") as src: f.write(src.read()) im = Image.open(tmpfile) - count = im.n_frames + im.n_frames im.close() + # Should not raise PermissionError. + os.remove(tmpfile) + + def test_read_icc(self): + with Image.open("Tests/images/hopper.iccprofile.tif") as img: + icc = img.info.get("icc_profile") + assert icc is not None + TiffImagePlugin.READ_LIBTIFF = True + with Image.open("Tests/images/hopper.iccprofile.tif") as img: + icc_libtiff = img.info.get("icc_profile") + assert icc_libtiff is not None + TiffImagePlugin.READ_LIBTIFF = False + assert icc == icc_libtiff + + def test_write_icc(self, tmp_path): + def check_write(libtiff): + TiffImagePlugin.WRITE_LIBTIFF = libtiff + + with Image.open("Tests/images/hopper.iccprofile.tif") as img: + icc_profile = img.info["icc_profile"] + + out = str(tmp_path / "temp.tif") + img.save(out, icc_profile=icc_profile) + with Image.open(out) as reloaded: + assert icc_profile == reloaded.info["icc_profile"] + + libtiffs = [] + if Image.core.libtiff_support_custom_tags: + libtiffs.append(True) + libtiffs.append(False) + + for libtiff in libtiffs: + check_write(libtiff) + + def test_multipage_compression(self): + with Image.open("Tests/images/compression.tif") as im: + + im.seek(0) + assert im._compression == "tiff_ccitt" + assert im.size == (10, 10) + + im.seek(1) + assert im._compression == "packbits" + assert im.size == (10, 10) + im.load() + + im.seek(0) + assert im._compression == "tiff_ccitt" + assert im.size == (10, 10) + im.load() + + def test_save_tiff_with_jpegtables(self, tmp_path): + # Arrange + outfile = str(tmp_path / "temp.tif") + + # Created with ImageMagick: convert hopper.jpg hopper_jpg.tif + # Contains JPEGTables (347) tag + infile = "Tests/images/hopper_jpg.tif" + with Image.open(infile) as im: + # Act / Assert + # Should not raise UnicodeDecodeError or anything else + im.save(outfile) + + def test_16bit_RGB_tiff(self): + with Image.open("Tests/images/tiff_16bit_RGB.tiff") as im: + assert im.mode == "RGB" + assert im.size == (100, 40) + assert im.tile, [ + ( + "libtiff", + (0, 0, 100, 40), + 0, + ("RGB;16N", "tiff_adobe_deflate", False, 8), + ) + ] + im.load() + + assert_image_equal_tofile(im, "Tests/images/tiff_16bit_RGB_target.png") + + def test_16bit_RGBa_tiff(self): + with Image.open("Tests/images/tiff_16bit_RGBa.tiff") as im: + assert im.mode == "RGBA" + assert im.size == (100, 40) + assert im.tile, [ + ("libtiff", (0, 0, 100, 40), 0, ("RGBa;16N", "tiff_lzw", False, 38236)) + ] + im.load() + + assert_image_equal_tofile(im, "Tests/images/tiff_16bit_RGBa_target.png") + + @skip_unless_feature("jpg") + def test_gimp_tiff(self): + # Read TIFF JPEG images from GIMP [@PIL168] + filename = "Tests/images/pil168.tif" + with Image.open(filename) as im: + assert im.mode == "RGB" + assert im.size == (256, 256) + assert im.tile == [ + ("libtiff", (0, 0, 256, 256), 0, ("RGB", "jpeg", False, 5122)) + ] + im.load() + + assert_image_equal_tofile(im, "Tests/images/pil168.png") + + def test_sampleformat(self): + # https://github.com/python-pillow/Pillow/issues/1466 + with Image.open("Tests/images/copyleft.tiff") as im: + assert im.mode == "RGB" + + assert_image_equal_tofile(im, "Tests/images/copyleft.png", mode="RGB") + + def test_sampleformat_write(self, tmp_path): + im = Image.new("F", (1, 1)) + out = str(tmp_path / "temp.tif") + TiffImagePlugin.WRITE_LIBTIFF = True + im.save(out) + TiffImagePlugin.WRITE_LIBTIFF = False + + with Image.open(out) as reloaded: + assert reloaded.mode == "F" + assert reloaded.getexif()[SAMPLEFORMAT] == 3 + + def test_lzw(self): + with Image.open("Tests/images/hopper_lzw.tif") as im: + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "TIFF" + im2 = hopper() + assert_image_similar(im, im2, 5) + + def test_strip_cmyk_jpeg(self): + infile = "Tests/images/tiff_strip_cmyk_jpeg.tif" + with Image.open(infile) as im: + assert_image_similar_tofile(im, "Tests/images/pil_sample_cmyk.jpg", 0.5) + + def test_strip_cmyk_16l_jpeg(self): + infile = "Tests/images/tiff_strip_cmyk_16l_jpeg.tif" + with Image.open(infile) as im: + assert_image_similar_tofile(im, "Tests/images/pil_sample_cmyk.jpg", 0.5) + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_strip_ycbcr_jpeg_2x2_sampling(self): + infile = "Tests/images/tiff_strip_ycbcr_jpeg_2x2_sampling.tif" + with Image.open(infile) as im: + assert_image_similar_tofile(im, "Tests/images/flower.jpg", 0.5) + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_strip_ycbcr_jpeg_1x1_sampling(self): + infile = "Tests/images/tiff_strip_ycbcr_jpeg_1x1_sampling.tif" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/flower2.jpg") + + def test_tiled_cmyk_jpeg(self): + infile = "Tests/images/tiff_tiled_cmyk_jpeg.tif" + with Image.open(infile) as im: + assert_image_similar_tofile(im, "Tests/images/pil_sample_cmyk.jpg", 0.5) + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_tiled_ycbcr_jpeg_1x1_sampling(self): + infile = "Tests/images/tiff_tiled_ycbcr_jpeg_1x1_sampling.tif" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/flower2.jpg") + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_tiled_ycbcr_jpeg_2x2_sampling(self): + infile = "Tests/images/tiff_tiled_ycbcr_jpeg_2x2_sampling.tif" + with Image.open(infile) as im: + assert_image_similar_tofile(im, "Tests/images/flower.jpg", 0.5) + + def test_strip_planar_rgb(self): + # gdal_translate -co TILED=no -co INTERLEAVE=BAND -co COMPRESS=LZW \ + # tiff_strip_raw.tif tiff_strip_planar_lzw.tiff + infile = "Tests/images/tiff_strip_planar_lzw.tiff" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") + + def test_tiled_planar_rgb(self): + # gdal_translate -co TILED=yes -co INTERLEAVE=BAND -co COMPRESS=LZW \ + # tiff_tiled_raw.tif tiff_tiled_planar_lzw.tiff + infile = "Tests/images/tiff_tiled_planar_lzw.tiff" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") + + def test_tiled_planar_16bit_RGB(self): + # gdal_translate -co TILED=yes -co INTERLEAVE=BAND -co COMPRESS=LZW \ + # tiff_16bit_RGB.tiff tiff_tiled_planar_16bit_RGB.tiff + with Image.open("Tests/images/tiff_tiled_planar_16bit_RGB.tiff") as im: + assert_image_equal_tofile(im, "Tests/images/tiff_16bit_RGB_target.png") + + def test_strip_planar_16bit_RGB(self): + # gdal_translate -co TILED=no -co INTERLEAVE=BAND -co COMPRESS=LZW \ + # tiff_16bit_RGB.tiff tiff_strip_planar_16bit_RGB.tiff + with Image.open("Tests/images/tiff_strip_planar_16bit_RGB.tiff") as im: + assert_image_equal_tofile(im, "Tests/images/tiff_16bit_RGB_target.png") + + def test_tiled_planar_16bit_RGBa(self): + # gdal_translate -co TILED=yes \ + # -co INTERLEAVE=BAND -co COMPRESS=LZW -co ALPHA=PREMULTIPLIED \ + # tiff_16bit_RGBa.tiff tiff_tiled_planar_16bit_RGBa.tiff + with Image.open("Tests/images/tiff_tiled_planar_16bit_RGBa.tiff") as im: + assert_image_equal_tofile(im, "Tests/images/tiff_16bit_RGBa_target.png") + + def test_strip_planar_16bit_RGBa(self): + # gdal_translate -co TILED=no \ + # -co INTERLEAVE=BAND -co COMPRESS=LZW -co ALPHA=PREMULTIPLIED \ + # tiff_16bit_RGBa.tiff tiff_strip_planar_16bit_RGBa.tiff + with Image.open("Tests/images/tiff_strip_planar_16bit_RGBa.tiff") as im: + assert_image_equal_tofile(im, "Tests/images/tiff_16bit_RGBa_target.png") + + @pytest.mark.parametrize("compression", (None, "jpeg")) + def test_block_tile_tags(self, compression, tmp_path): + im = hopper() + out = str(tmp_path / "temp.tif") + + tags = { + TiffImagePlugin.TILEWIDTH: 256, + TiffImagePlugin.TILELENGTH: 256, + TiffImagePlugin.TILEOFFSETS: 256, + TiffImagePlugin.TILEBYTECOUNTS: 256, + } + im.save(out, exif=tags, compression=compression) + + with Image.open(out) as reloaded: + for tag in tags.keys(): + assert tag not in reloaded.getexif() + + def test_old_style_jpeg(self): + with Image.open("Tests/images/old-style-jpeg-compression.tif") as im: + assert_image_equal_tofile(im, "Tests/images/old-style-jpeg-compression.png") + + def test_open_missing_samplesperpixel(self): + with Image.open( + "Tests/images/old-style-jpeg-compression-no-samplesperpixel.tif" + ) as im: + assert_image_equal_tofile(im, "Tests/images/old-style-jpeg-compression.png") + + def test_no_rows_per_strip(self): + # This image does not have a RowsPerStrip TIFF tag + infile = "Tests/images/no_rows_per_strip.tif" + with Image.open(infile) as im: + im.load() + assert im.size == (950, 975) + + def test_orientation(self): + with Image.open("Tests/images/g4_orientation_1.tif") as base_im: + for i in range(2, 9): + with Image.open("Tests/images/g4_orientation_" + str(i) + ".tif") as im: + im.load() + + assert_image_similar(base_im, im, 0.7) + + @pytest.mark.valgrind_known_error(reason="Backtrace in Python Core") + def test_sampleformat_not_corrupted(self): + # Assert that a TIFF image with SampleFormat=UINT tag is not corrupted + # when saving to a new file. + # Pillow 6.0 fails with "OSError: cannot identify image file". + tiff = io.BytesIO( + base64.b64decode( + b"SUkqAAgAAAAPAP4ABAABAAAAAAAAAAABBAABAAAAAQAAAAEBBAABAAAAAQAA" + b"AAIBAwADAAAAwgAAAAMBAwABAAAACAAAAAYBAwABAAAAAgAAABEBBAABAAAA" + b"4AAAABUBAwABAAAAAwAAABYBBAABAAAAAQAAABcBBAABAAAACwAAABoBBQAB" + b"AAAAyAAAABsBBQABAAAA0AAAABwBAwABAAAAAQAAACgBAwABAAAAAQAAAFMB" + b"AwADAAAA2AAAAAAAAAAIAAgACAABAAAAAQAAAAEAAAABAAAAAQABAAEAAAB4" + b"nGNgYAAAAAMAAQ==" + ) + ) + out = io.BytesIO() + with Image.open(tiff) as im: + im.save(out, format="tiff") + out.seek(0) + with Image.open(out) as im: + im.load() + + def test_realloc_overflow(self): + TiffImagePlugin.READ_LIBTIFF = True + with Image.open("Tests/images/tiff_overflow_rows_per_strip.tif") as im: + with pytest.raises(OSError) as e: + im.load() + + # Assert that the error code is IMAGING_CODEC_MEMORY + assert str(e.value) == "-9" + TiffImagePlugin.READ_LIBTIFF = False + + @pytest.mark.parametrize("compression", ("tiff_adobe_deflate", "jpeg")) + def test_save_multistrip(self, compression, tmp_path): + im = hopper("RGB").resize((256, 256)) + out = str(tmp_path / "temp.tif") + im.save(out, compression=compression) + + with Image.open(out) as im: + # Assert that there are multiple strips + assert len(im.tag_v2[STRIPOFFSETS]) > 1 + + def test_save_single_strip(self, tmp_path): + im = hopper("RGB").resize((256, 256)) + out = str(tmp_path / "temp.tif") + + TiffImagePlugin.STRIP_SIZE = 2 ** 18 try: - os.remove(tmpfile) # Windows PermissionError here! - except: - self.fail("Should not get permission error here") - + im.save(out, compression="tiff_adobe_deflate") + with Image.open(out) as im: + assert len(im.tag_v2[STRIPOFFSETS]) == 1 + finally: + TiffImagePlugin.STRIP_SIZE = 65536 -if __name__ == '__main__': - unittest.main() + @pytest.mark.parametrize("compression", ("tiff_adobe_deflate", None)) + def test_save_zero(self, compression, tmp_path): + im = Image.new("RGB", (0, 0)) + out = str(tmp_path / "temp.tif") + with pytest.raises(SystemError): + im.save(out, compression=compression) diff --git a/Tests/test_file_libtiff_small.py b/Tests/test_file_libtiff_small.py index c402673d826..03137c8b603 100644 --- a/Tests/test_file_libtiff_small.py +++ b/Tests/test_file_libtiff_small.py @@ -1,52 +1,44 @@ -from helper import unittest +from io import BytesIO from PIL import Image -from test_file_libtiff import LibTiffTestCase +from .test_file_libtiff import LibTiffTestCase class TestFileLibTiffSmall(LibTiffTestCase): - """ The small lena image was failing on open in the libtiff - decoder because the file pointer was set to the wrong place - by a spurious seek. It wasn't failing with the byteio method. + """The small lena image was failing on open in the libtiff + decoder because the file pointer was set to the wrong place + by a spurious seek. It wasn't failing with the byteio method. - It was fixed by forcing an lseek to the beginning of the - file just before reading in libtiff. These tests remain - to ensure that it stays fixed. """ + It was fixed by forcing an lseek to the beginning of the + file just before reading in libtiff. These tests remain + to ensure that it stays fixed.""" - def test_g4_hopper_file(self): + def test_g4_hopper_file(self, tmp_path): """Testing the open file load path""" test_file = "Tests/images/hopper_g4.tif" - with open(test_file, 'rb') as f: - im = Image.open(f) + with open(test_file, "rb") as f: + with Image.open(f) as im: + assert im.size == (128, 128) + self._assert_noerr(tmp_path, im) - self.assertEqual(im.size, (128, 128)) - self._assert_noerr(im) - - def test_g4_hopper_bytesio(self): + def test_g4_hopper_bytesio(self, tmp_path): """Testing the bytesio loading code path""" - from io import BytesIO test_file = "Tests/images/hopper_g4.tif" s = BytesIO() - with open(test_file, 'rb') as f: + with open(test_file, "rb") as f: s.write(f.read()) s.seek(0) - im = Image.open(s) - - self.assertEqual(im.size, (128, 128)) - self._assert_noerr(im) + with Image.open(s) as im: + assert im.size == (128, 128) + self._assert_noerr(tmp_path, im) - def test_g4_hopper(self): + def test_g4_hopper(self, tmp_path): """The 128x128 lena image failed for some reason.""" test_file = "Tests/images/hopper_g4.tif" - im = Image.open(test_file) - - self.assertEqual(im.size, (128, 128)) - self._assert_noerr(im) - - -if __name__ == '__main__': - unittest.main() + with Image.open(test_file) as im: + assert im.size == (128, 128) + self._assert_noerr(tmp_path, im) diff --git a/Tests/test_file_mcidas.py b/Tests/test_file_mcidas.py index cd601cca378..41f22cf0c7d 100644 --- a/Tests/test_file_mcidas.py +++ b/Tests/test_file_mcidas.py @@ -1,17 +1,30 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import McIdasImagePlugin +from PIL import Image, McIdasImagePlugin +from .helper import assert_image_equal_tofile -class TestFileMcIdas(PillowTestCase): - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: - McIdasImagePlugin.McIdasImageFile(invalid_file)) + with pytest.raises(SyntaxError): + McIdasImagePlugin.McIdasImageFile(invalid_file) -if __name__ == '__main__': - unittest.main() +def test_valid_file(): + # Arrange + # https://ghrc.nsstc.nasa.gov/hydro/details/cmx3g8 + # https://ghrc.nsstc.nasa.gov/pub/fieldCampaigns/camex3/cmx3g8/browse/ + test_file = "Tests/images/cmx3g8_wv_1998.260_0745_mcidas.ara" + saved_file = "Tests/images/cmx3g8_wv_1998.260_0745_mcidas.png" + + # Act + with Image.open(test_file) as im: + im.load() + + # Assert + assert im.format == "MCIDAS" + assert im.mode == "I" + assert im.size == (1800, 400) + assert_image_equal_tofile(im, saved_file) diff --git a/Tests/test_file_mic.py b/Tests/test_file_mic.py index 044248f3a24..464d138e2af 100644 --- a/Tests/test_file_mic.py +++ b/Tests/test_file_mic.py @@ -1,21 +1,63 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import MicImagePlugin +from PIL import Image, ImagePalette +from .helper import assert_image_similar, hopper, skip_unless_feature -class TestFileMic(PillowTestCase): +MicImagePlugin = pytest.importorskip( + "PIL.MicImagePlugin", reason="olefile not installed" +) +pytestmark = skip_unless_feature("libtiff") +TEST_FILE = "Tests/images/hopper.mic" - def test_invalid_file(self): - # Test an invalid OLE file - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: MicImagePlugin.MicImageFile(invalid_file)) - # Test a valid OLE file, but not a MIC file - ole_file = "Tests/images/test-ole-file.doc" - self.assertRaises(SyntaxError, - lambda: MicImagePlugin.MicImageFile(ole_file)) +def test_sanity(): + with Image.open(TEST_FILE) as im: + im.load() + assert im.mode == "RGBA" + assert im.size == (128, 128) + assert im.format == "MIC" + # Adjust for the gamma of 2.2 encoded into the file + lut = ImagePalette.make_gamma_lut(1 / 2.2) + im = Image.merge("RGBA", [chan.point(lut) for chan in im.split()]) -if __name__ == '__main__': - unittest.main() + im2 = hopper("RGBA") + assert_image_similar(im, im2, 10) + + +def test_n_frames(): + with Image.open(TEST_FILE) as im: + assert im.n_frames == 1 + + +def test_is_animated(): + with Image.open(TEST_FILE) as im: + assert not im.is_animated + + +def test_tell(): + with Image.open(TEST_FILE) as im: + assert im.tell() == 0 + + +def test_seek(): + with Image.open(TEST_FILE) as im: + im.seek(0) + assert im.tell() == 0 + + with pytest.raises(EOFError): + im.seek(99) + assert im.tell() == 0 + + +def test_invalid_file(): + # Test an invalid OLE file + invalid_file = "Tests/images/flower.jpg" + with pytest.raises(SyntaxError): + MicImagePlugin.MicImageFile(invalid_file) + + # Test a valid OLE file, but not a MIC file + ole_file = "Tests/images/test-ole-file.doc" + with pytest.raises(SyntaxError): + MicImagePlugin.MicImageFile(ole_file) diff --git a/Tests/test_file_mpo.py b/Tests/test_file_mpo.py index 4c9f31abde2..9de09645856 100644 --- a/Tests/test_file_mpo.py +++ b/Tests/test_file_mpo.py @@ -1,143 +1,232 @@ -from helper import unittest, PillowTestCase from io import BytesIO + +import pytest + from PIL import Image +from .helper import assert_image_similar, is_pypy, skip_unless_feature test_files = ["Tests/images/sugarshack.mpo", "Tests/images/frozenpond.mpo"] +pytestmark = skip_unless_feature("jpg") + + +def frame_roundtrip(im, **options): + # Note that for now, there is no MPO saving functionality + out = BytesIO() + im.save(out, "MPO", **options) + test_bytes = out.tell() + out.seek(0) + im = Image.open(out) + im.bytes = test_bytes # for testing only + return im + + +def test_sanity(): + for test_file in test_files: + with Image.open(test_file) as im: + im.load() + assert im.mode == "RGB" + assert im.size == (640, 480) + assert im.format == "MPO" + + +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): + im = Image.open(test_files[0]) + im.load() + + pytest.warns(ResourceWarning, open) -class TestFileMpo(PillowTestCase): - def setUp(self): - codecs = dir(Image.core) - if "jpeg_encoder" not in codecs or "jpeg_decoder" not in codecs: - self.skipTest("jpeg support not available") +def test_closed_file(): + with pytest.warns(None) as record: + im = Image.open(test_files[0]) + im.load() + im.close() - def frame_roundtrip(self, im, **options): - # Note that for now, there is no MPO saving functionality - out = BytesIO() - im.save(out, "MPO", **options) - test_bytes = out.tell() - out.seek(0) - im = Image.open(out) - im.bytes = test_bytes # for testing only - return im + assert not record - def test_sanity(self): - for test_file in test_files: - im = Image.open(test_file) + +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(test_files[0]) as im: im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (640, 480)) - self.assertEqual(im.format, "MPO") - - def test_app(self): - for test_file in test_files: - # Test APP/COM reader (@PIL135) - im = Image.open(test_file) - self.assertEqual(im.applist[0][0], 'APP1') - self.assertEqual(im.applist[1][0], 'APP2') - self.assertEqual(im.applist[1][1][:16], - b'MPF\x00MM\x00*\x00\x00\x00\x08\x00\x03\xb0\x00') - self.assertEqual(len(im.applist), 2) - - def test_exif(self): - for test_file in test_files: - im = Image.open(test_file) + + assert not record + + +def test_app(): + for test_file in test_files: + # Test APP/COM reader (@PIL135) + with Image.open(test_file) as im: + assert im.applist[0][0] == "APP1" + assert im.applist[1][0] == "APP2" + assert ( + im.applist[1][1][:16] + == b"MPF\x00MM\x00*\x00\x00\x00\x08\x00\x03\xb0\x00" + ) + assert len(im.applist) == 2 + + +def test_exif(): + for test_file in test_files: + with Image.open(test_file) as im: info = im._getexif() - self.assertEqual(info[272], 'Nintendo 3DS') - self.assertEqual(info[296], 2) - self.assertEqual(info[34665], 188) + assert info[272] == "Nintendo 3DS" + assert info[296] == 2 + assert info[34665] == 188 + + +def test_frame_size(): + # This image has been hexedited to contain a different size + # in the EXIF data of the second frame + with Image.open("Tests/images/sugarshack_frame_size.mpo") as im: + assert im.size == (640, 480) + + im.seek(1) + assert im.size == (680, 480) + - def test_mp(self): - for test_file in test_files: - im = Image.open(test_file) +def test_ignore_frame_size(): + # Ignore the different size of the second frame + # since this is not a "Large Thumbnail" image + with Image.open("Tests/images/ignore_frame_size.mpo") as im: + assert im.size == (64, 64) + + im.seek(1) + assert ( + im.mpinfo[0xB002][1]["Attribute"]["MPType"] + == "Multi-Frame Image: (Disparity)" + ) + assert im.size == (64, 64) + + +def test_parallax(): + # Nintendo + with Image.open("Tests/images/sugarshack.mpo") as im: + exif = im.getexif() + assert exif.get_ifd(0x927C)[0x1101]["Parallax"] == -44.798187255859375 + + # Fujifilm + with Image.open("Tests/images/fujifilm.mpo") as im: + im.seek(1) + exif = im.getexif() + assert exif.get_ifd(0x927C)[0xB211] == -3.125 + + +def test_mp(): + for test_file in test_files: + with Image.open(test_file) as im: mpinfo = im._getmp() - self.assertEqual(mpinfo[45056], b'0100') - self.assertEqual(mpinfo[45057], 2) + assert mpinfo[45056] == b"0100" + assert mpinfo[45057] == 2 + + +def test_mp_offset(): + # This image has been manually hexedited to have an IFD offset of 10 + # in APP2 data, in contrast to normal 8 + with Image.open("Tests/images/sugarshack_ifd_offset.mpo") as im: + mpinfo = im._getmp() + assert mpinfo[45056] == b"0100" + assert mpinfo[45057] == 2 - def test_mp_attribute(self): - for test_file in test_files: - im = Image.open(test_file) + +def test_mp_no_data(): + # This image has been manually hexedited to have the second frame + # beyond the end of the file + with Image.open("Tests/images/sugarshack_no_data.mpo") as im: + with pytest.raises(ValueError): + im.seek(1) + + +def test_mp_attribute(): + for test_file in test_files: + with Image.open(test_file) as im: mpinfo = im._getmp() - frameNumber = 0 - for mpentry in mpinfo[45058]: - mpattr = mpentry['Attribute'] - if frameNumber: - self.assertFalse(mpattr['RepresentativeImageFlag']) - else: - self.assertTrue(mpattr['RepresentativeImageFlag']) - self.assertFalse(mpattr['DependentParentImageFlag']) - self.assertFalse(mpattr['DependentChildImageFlag']) - self.assertEqual(mpattr['ImageDataFormat'], 'JPEG') - self.assertEqual(mpattr['MPType'], - 'Multi-Frame Image: (Disparity)') - self.assertEqual(mpattr['Reserved'], 0) - frameNumber += 1 - - def test_seek(self): - for test_file in test_files: - im = Image.open(test_file) - self.assertEqual(im.tell(), 0) + frameNumber = 0 + for mpentry in mpinfo[0xB002]: + mpattr = mpentry["Attribute"] + if frameNumber: + assert not mpattr["RepresentativeImageFlag"] + else: + assert mpattr["RepresentativeImageFlag"] + assert not mpattr["DependentParentImageFlag"] + assert not mpattr["DependentChildImageFlag"] + assert mpattr["ImageDataFormat"] == "JPEG" + assert mpattr["MPType"] == "Multi-Frame Image: (Disparity)" + assert mpattr["Reserved"] == 0 + frameNumber += 1 + + +def test_seek(): + for test_file in test_files: + with Image.open(test_file) as im: + assert im.tell() == 0 # prior to first image raises an error, both blatant and borderline - self.assertRaises(EOFError, im.seek, -1) - self.assertRaises(EOFError, im.seek, -523) + with pytest.raises(EOFError): + im.seek(-1) + with pytest.raises(EOFError): + im.seek(-523) # after the final image raises an error, # both blatant and borderline - self.assertRaises(EOFError, im.seek, 2) - self.assertRaises(EOFError, im.seek, 523) + with pytest.raises(EOFError): + im.seek(2) + with pytest.raises(EOFError): + im.seek(523) # bad calls shouldn't change the frame - self.assertEqual(im.tell(), 0) + assert im.tell() == 0 # this one will work im.seek(1) - self.assertEqual(im.tell(), 1) + assert im.tell() == 1 # and this one, too im.seek(0) - self.assertEqual(im.tell(), 0) + assert im.tell() == 0 + - def test_n_frames(self): - im = Image.open("Tests/images/sugarshack.mpo") - self.assertEqual(im.n_frames, 2) - self.assertTrue(im.is_animated) +def test_n_frames(): + with Image.open("Tests/images/sugarshack.mpo") as im: + assert im.n_frames == 2 + assert im.is_animated - def test_eoferror(self): - im = Image.open("Tests/images/sugarshack.mpo") +def test_eoferror(): + with Image.open("Tests/images/sugarshack.mpo") as im: n_frames = im.n_frames - while True: - n_frames -= 1 - try: - im.seek(n_frames) - break - except EOFError: - self.assertTrue(im.tell() < n_frames) - - def test_image_grab(self): - for test_file in test_files: - im = Image.open(test_file) - self.assertEqual(im.tell(), 0) + + # Test seeking past the last frame + with pytest.raises(EOFError): + im.seek(n_frames) + assert im.tell() < n_frames + + # Test that seeking to the last frame does not raise an error + im.seek(n_frames - 1) + + +def test_image_grab(): + for test_file in test_files: + with Image.open(test_file) as im: + assert im.tell() == 0 im0 = im.tobytes() im.seek(1) - self.assertEqual(im.tell(), 1) + assert im.tell() == 1 im1 = im.tobytes() im.seek(0) - self.assertEqual(im.tell(), 0) + assert im.tell() == 0 im02 = im.tobytes() - self.assertEqual(im0, im02) - self.assertNotEqual(im0, im1) - - def test_save(self): - # Note that only individual frames can be saved at present - for test_file in test_files: - im = Image.open(test_file) - self.assertEqual(im.tell(), 0) - jpg0 = self.frame_roundtrip(im) - self.assert_image_similar(im, jpg0, 30) - im.seek(1) - self.assertEqual(im.tell(), 1) - jpg1 = self.frame_roundtrip(im) - self.assert_image_similar(im, jpg1, 30) + assert im0 == im02 + assert im0 != im1 -if __name__ == '__main__': - unittest.main() +def test_save(): + # Note that only individual frames can be saved at present + for test_file in test_files: + with Image.open(test_file) as im: + assert im.tell() == 0 + jpg0 = frame_roundtrip(im) + assert_image_similar(im, jpg0, 30) + im.seek(1) + assert im.tell() == 1 + jpg1 = frame_roundtrip(im) + assert_image_similar(im, jpg1, 30) diff --git a/Tests/test_file_msp.py b/Tests/test_file_msp.py index f7c51837916..50d7c590b7a 100644 --- a/Tests/test_file_msp.py +++ b/Tests/test_file_msp.py @@ -1,46 +1,90 @@ -from helper import unittest, PillowTestCase, hopper +import os + +import pytest from PIL import Image, MspImagePlugin -TEST_FILE = "Tests/images/hopper.msp" +from .helper import assert_image_equal, assert_image_equal_tofile, hopper +TEST_FILE = "Tests/images/hopper.msp" +EXTRA_DIR = "Tests/images/picins" +YA_EXTRA_DIR = "Tests/images/msp" -class TestFileMsp(PillowTestCase): - def test_sanity(self): - file = self.tempfile("temp.msp") +def test_sanity(tmp_path): + test_file = str(tmp_path / "temp.msp") - hopper("1").save(file) + hopper("1").save(test_file) - im = Image.open(file) + with Image.open(test_file) as im: im.load() - self.assertEqual(im.mode, "1") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "MSP") + assert im.mode == "1" + assert im.size == (128, 128) + assert im.format == "MSP" + + +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" + + with pytest.raises(SyntaxError): + MspImagePlugin.MspImageFile(invalid_file) + - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" +def test_bad_checksum(): + # Arrange + # This was created by forcing Pillow to save with checksum=0 + bad_checksum = "Tests/images/hopper_bad_checksum.msp" - self.assertRaises(SyntaxError, - lambda: MspImagePlugin.MspImageFile(invalid_file)) + # Act / Assert + with pytest.raises(SyntaxError): + MspImagePlugin.MspImageFile(bad_checksum) - def test_open(self): - # Arrange - # Act - im = Image.open(TEST_FILE) + +def test_open_windows_v1(): + # Arrange + # Act + with Image.open(TEST_FILE) as im: # Assert - self.assertEqual(im.size, (128, 128)) - self.assert_image_similar(im, hopper("1"), 4) + assert_image_equal(im, hopper("1")) + assert isinstance(im, MspImagePlugin.MspImageFile) + + +def _assert_file_image_equal(source_path, target_path): + with Image.open(source_path) as im: + assert_image_equal_tofile(im, target_path) + + +@pytest.mark.skipif( + not os.path.exists(EXTRA_DIR), reason="Extra image files not installed" +) +def test_open_windows_v2(): + + files = ( + os.path.join(EXTRA_DIR, f) + for f in os.listdir(EXTRA_DIR) + if os.path.splitext(f)[1] == ".msp" + ) + for path in files: + _assert_file_image_equal(path, path.replace(".msp", ".png")) + - def test_cannot_save_wrong_mode(self): - # Arrange - im = hopper() - filename = self.tempfile("temp.msp") +@pytest.mark.skipif( + not os.path.exists(YA_EXTRA_DIR), reason="Even More Extra image files not installed" +) +def test_msp_v2(): + for f in os.listdir(YA_EXTRA_DIR): + if ".MSP" not in f: + continue + path = os.path.join(YA_EXTRA_DIR, f) + _assert_file_image_equal(path, path.replace(".MSP", ".png")) - # Act/Assert - self.assertRaises(IOError, lambda: im.save(filename)) +def test_cannot_save_wrong_mode(tmp_path): + # Arrange + im = hopper() + filename = str(tmp_path / "temp.msp") -if __name__ == '__main__': - unittest.main() + # Act/Assert + with pytest.raises(OSError): + im.save(filename) diff --git a/Tests/test_file_palm.py b/Tests/test_file_palm.py index 9f88df373a0..e1c1c361b1e 100644 --- a/Tests/test_file_palm.py +++ b/Tests/test_file_palm.py @@ -1,58 +1,81 @@ -from helper import unittest, PillowTestCase, hopper, imagemagick_available - import os.path +import subprocess + +import pytest + +from PIL import Image + +from .helper import assert_image_equal, hopper, magick_command + + +def helper_save_as_palm(tmp_path, mode): + # Arrange + im = hopper(mode) + outfile = str(tmp_path / ("temp_" + mode + ".palm")) + + # Act + im.save(outfile) + + # Assert + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 + + +def open_with_magick(magick, tmp_path, f): + outfile = str(tmp_path / "temp.png") + rc = subprocess.call( + magick + [f, outfile], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT + ) + if rc: + raise OSError + return Image.open(outfile) -class TestFilePalm(PillowTestCase): - _roundtrip = imagemagick_available() +def roundtrip(tmp_path, mode): + magick = magick_command() + if not magick: + return - def helper_save_as_palm(self, mode): - # Arrange - im = hopper(mode) - outfile = self.tempfile("temp_" + mode + ".palm") + im = hopper(mode) + outfile = str(tmp_path / "temp.palm") - # Act - im.save(outfile) + im.save(outfile) + converted = open_with_magick(magick, tmp_path, outfile) + assert_image_equal(converted, im) - # Assert - self.assertTrue(os.path.isfile(outfile)) - self.assertGreater(os.path.getsize(outfile), 0) - def roundtrip(self, mode): - if not self._roundtrip: - return +def test_monochrome(tmp_path): + # Arrange + mode = "1" - im = hopper(mode) - outfile = self.tempfile("temp.palm") + # Act / Assert + helper_save_as_palm(tmp_path, mode) + roundtrip(tmp_path, mode) - im.save(outfile) - converted = self.open_withImagemagick(outfile) - self.assert_image_equal(converted, im) - def test_monochrome(self): - # Arrange - mode = "1" +@pytest.mark.xfail(reason="Palm P image is wrong") +def test_p_mode(tmp_path): + # Arrange + mode = "P" - # Act / Assert - self.helper_save_as_palm(mode) - self.roundtrip(mode) + # Act / Assert + helper_save_as_palm(tmp_path, mode) + roundtrip(tmp_path, mode) - def test_p_mode(self): - # Arrange - mode = "P" - # Act / Assert - self.helper_save_as_palm(mode) - self.skipKnownBadTest("Palm P image is wrong") - self.roundtrip(mode) +def test_l_oserror(tmp_path): + # Arrange + mode = "L" - def test_rgb_ioerror(self): - # Arrange - mode = "RGB" + # Act / Assert + with pytest.raises(OSError): + helper_save_as_palm(tmp_path, mode) - # Act / Assert - self.assertRaises(IOError, lambda: self.helper_save_as_palm(mode)) +def test_rgb_oserror(tmp_path): + # Arrange + mode = "RGB" -if __name__ == '__main__': - unittest.main() + # Act / Assert + with pytest.raises(OSError): + helper_save_as_palm(tmp_path, mode) diff --git a/Tests/test_file_pcd.py b/Tests/test_file_pcd.py index 06fd3304352..dc45a48c1cb 100644 --- a/Tests/test_file_pcd.py +++ b/Tests/test_file_pcd.py @@ -1,22 +1,15 @@ -from helper import unittest, PillowTestCase from PIL import Image -class TestFilePcd(PillowTestCase): - - def test_load_raw(self): - im = Image.open('Tests/images/hopper.pcd') +def test_load_raw(): + with Image.open("Tests/images/hopper.pcd") as im: im.load() # should not segfault. - # Note that this image was created with a resized hopper - # image, which was then converted to pcd with imagemagick - # and the colors are wonky in Pillow. It's unclear if this - # is a pillow or a convert issue, as other images not generated - # from convert look find on pillow and not imagemagick. - - # target = hopper().resize((768,512)) - # self.assert_image_similar(im, target, 10) - + # Note that this image was created with a resized hopper + # image, which was then converted to pcd with imagemagick + # and the colors are wonky in Pillow. It's unclear if this + # is a pillow or a convert issue, as other images not generated + # from convert look find on pillow and not imagemagick. -if __name__ == '__main__': - unittest.main() + # target = hopper().resize((768,512)) + # assert_image_similar(im, target, 10) diff --git a/Tests/test_file_pcx.py b/Tests/test_file_pcx.py index 7621c1cc686..61e33a57bb4 100644 --- a/Tests/test_file_pcx.py +++ b/Tests/test_file_pcx.py @@ -1,129 +1,151 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image, ImageFile, PcxImagePlugin +from .helper import assert_image_equal, hopper -class TestFilePcx(PillowTestCase): - def _roundtrip(self, im): - f = self.tempfile("temp.pcx") +def _roundtrip(tmp_path, im): + f = str(tmp_path / "temp.pcx") + im.save(f) + with Image.open(f) as im2: + assert im2.mode == im.mode + assert im2.size == im.size + assert im2.format == "PCX" + assert im2.get_format_mimetype() == "image/x-pcx" + assert_image_equal(im2, im) + + +def test_sanity(tmp_path): + for mode in ("1", "L", "P", "RGB"): + _roundtrip(tmp_path, hopper(mode)) + + # Test an unsupported mode + f = str(tmp_path / "temp.pcx") + im = hopper("RGBA") + with pytest.raises(ValueError): im.save(f) - im2 = Image.open(f) - self.assertEqual(im2.mode, im.mode) - self.assertEqual(im2.size, im.size) - self.assertEqual(im2.format, "PCX") - self.assert_image_equal(im2, im) - def test_sanity(self): - for mode in ('1', 'L', 'P', 'RGB'): - self._roundtrip(hopper(mode)) +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" + + with pytest.raises(SyntaxError): + PcxImagePlugin.PcxImageFile(invalid_file) - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: PcxImagePlugin.PcxImageFile(invalid_file)) +def test_odd(tmp_path): + # See issue #523, odd sized images should have a stride that's even. + # Not that ImageMagick or GIMP write PCX that way. + # We were not handling properly. + for mode in ("1", "L", "P", "RGB"): + # larger, odd sized images are better here to ensure that + # we handle interrupted scan lines properly. + _roundtrip(tmp_path, hopper(mode).resize((511, 511))) - def test_odd(self): - # see issue #523, odd sized images should have a stride that's even. - # not that imagemagick or gimp write pcx that way. - # we were not handling properly. - for mode in ('1', 'L', 'P', 'RGB'): - # larger, odd sized images are better here to ensure that - # we handle interrupted scan lines properly. - self._roundtrip(hopper(mode).resize((511, 511))) - def test_pil184(self): - # Check reading of files where xmin/xmax is not zero. +def test_odd_read(): + # Reading an image with an odd stride, making it malformed + with Image.open("Tests/images/odd_stride.pcx") as im: + im.load() - test_file = "Tests/images/pil184.pcx" - im = Image.open(test_file) + assert im.size == (371, 150) - self.assertEqual(im.size, (447, 144)) - self.assertEqual(im.tile[0][1], (0, 0, 447, 144)) + +def test_pil184(): + # Check reading of files where xmin/xmax is not zero. + + test_file = "Tests/images/pil184.pcx" + with Image.open(test_file) as im: + assert im.size == (447, 144) + assert im.tile[0][1] == (0, 0, 447, 144) # Make sure all pixels are either 0 or 255. - self.assertEqual(im.histogram()[0] + im.histogram()[255], 447*144) - - def test_1px_width(self): - im = Image.new('L', (1, 256)) - px = im.load() - for y in range(256): - px[0, y] = y - self._roundtrip(im) - - def test_large_count(self): - im = Image.new('L', (256, 1)) - px = im.load() + assert im.histogram()[0] + im.histogram()[255] == 447 * 144 + + +def test_1px_width(tmp_path): + im = Image.new("L", (1, 256)) + px = im.load() + for y in range(256): + px[0, y] = y + _roundtrip(tmp_path, im) + + +def test_large_count(tmp_path): + im = Image.new("L", (256, 1)) + px = im.load() + for x in range(256): + px[x, 0] = x // 67 * 67 + _roundtrip(tmp_path, im) + + +def _test_buffer_overflow(tmp_path, im, size=1024): + _last = ImageFile.MAXBLOCK + ImageFile.MAXBLOCK = size + try: + _roundtrip(tmp_path, im) + finally: + ImageFile.MAXBLOCK = _last + + +def test_break_in_count_overflow(tmp_path): + im = Image.new("L", (256, 5)) + px = im.load() + for y in range(4): + for x in range(256): + px[x, y] = x % 128 + _test_buffer_overflow(tmp_path, im) + + +def test_break_one_in_loop(tmp_path): + im = Image.new("L", (256, 5)) + px = im.load() + for y in range(5): + for x in range(256): + px[x, y] = x % 128 + _test_buffer_overflow(tmp_path, im) + + +def test_break_many_in_loop(tmp_path): + im = Image.new("L", (256, 5)) + px = im.load() + for y in range(4): + for x in range(256): + px[x, y] = x % 128 + for x in range(8): + px[x, 4] = 16 + _test_buffer_overflow(tmp_path, im) + + +def test_break_one_at_end(tmp_path): + im = Image.new("L", (256, 5)) + px = im.load() + for y in range(5): + for x in range(256): + px[x, y] = x % 128 + px[0, 3] = 128 + 64 + _test_buffer_overflow(tmp_path, im) + + +def test_break_many_at_end(tmp_path): + im = Image.new("L", (256, 5)) + px = im.load() + for y in range(5): for x in range(256): - px[x, 0] = x // 67 * 67 - self._roundtrip(im) - - def _test_buffer_overflow(self, im, size=1024): - _last = ImageFile.MAXBLOCK - ImageFile.MAXBLOCK = size - try: - self._roundtrip(im) - finally: - ImageFile.MAXBLOCK = _last - - def test_break_in_count_overflow(self): - im = Image.new('L', (256, 5)) - px = im.load() - for y in range(4): - for x in range(256): - px[x, y] = x % 128 - self._test_buffer_overflow(im) - - def test_break_one_in_loop(self): - im = Image.new('L', (256, 5)) - px = im.load() - for y in range(5): - for x in range(256): - px[x, y] = x % 128 - self._test_buffer_overflow(im) - - def test_break_many_in_loop(self): - im = Image.new('L', (256, 5)) - px = im.load() - for y in range(4): - for x in range(256): - px[x, y] = x % 128 - for x in range(8): - px[x, 4] = 16 - self._test_buffer_overflow(im) - - def test_break_one_at_end(self): - im = Image.new('L', (256, 5)) - px = im.load() - for y in range(5): - for x in range(256): - px[x, y] = x % 128 - px[0, 3] = 128 + 64 - self._test_buffer_overflow(im) - - def test_break_many_at_end(self): - im = Image.new('L', (256, 5)) - px = im.load() - for y in range(5): - for x in range(256): - px[x, y] = x % 128 - for x in range(4): - px[x * 2, 3] = 128 + 64 - px[x + 256 - 4, 3] = 0 - self._test_buffer_overflow(im) - - def test_break_padding(self): - im = Image.new('L', (257, 5)) - px = im.load() - for y in range(5): - for x in range(257): - px[x, y] = x % 128 - for x in range(5): - px[x, 3] = 0 - self._test_buffer_overflow(im) - - -if __name__ == '__main__': - unittest.main() + px[x, y] = x % 128 + for x in range(4): + px[x * 2, 3] = 128 + 64 + px[x + 256 - 4, 3] = 0 + _test_buffer_overflow(tmp_path, im) + + +def test_break_padding(tmp_path): + im = Image.new("L", (257, 5)) + px = im.load() + for y in range(5): + for x in range(257): + px[x, y] = x % 128 + for x in range(5): + px[x, 3] = 0 + _test_buffer_overflow(tmp_path, im) diff --git a/Tests/test_file_pdf.py b/Tests/test_file_pdf.py index cfefe2f9ed8..10daa414b5a 100644 --- a/Tests/test_file_pdf.py +++ b/Tests/test_file_pdf.py @@ -1,79 +1,323 @@ -from helper import unittest, PillowTestCase, hopper -from PIL import Image +import io +import os import os.path +import tempfile +import time +import pytest -class TestFilePdf(PillowTestCase): +from PIL import Image, PdfParser - def helper_save_as_pdf(self, mode, save_all=False): - # Arrange - im = hopper(mode) - outfile = self.tempfile("temp_" + mode + ".pdf") +from .helper import hopper, mark_if_feature_version - # Act - if save_all: - im.save(outfile, save_all=True) + +def helper_save_as_pdf(tmp_path, mode, **kwargs): + # Arrange + im = hopper(mode) + outfile = str(tmp_path / ("temp_" + mode + ".pdf")) + + # Act + im.save(outfile, **kwargs) + + # Assert + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 + with PdfParser.PdfParser(outfile) as pdf: + if kwargs.get("append_images", False) or kwargs.get("append", False): + assert len(pdf.pages) > 1 else: - im.save(outfile) + assert len(pdf.pages) > 0 + with open(outfile, "rb") as fp: + contents = fp.read() + size = tuple( + float(d) for d in contents.split(b"/MediaBox [ 0 0 ")[1].split(b"]")[0].split() + ) + assert im.size == size + + return outfile + + +def test_monochrome(tmp_path): + # Arrange + mode = "1" + + # Act / Assert + outfile = helper_save_as_pdf(tmp_path, mode) + assert os.path.getsize(outfile) < 15000 + + +def test_greyscale(tmp_path): + # Arrange + mode = "L" + + # Act / Assert + helper_save_as_pdf(tmp_path, mode) + + +def test_rgb(tmp_path): + # Arrange + mode = "RGB" + + # Act / Assert + helper_save_as_pdf(tmp_path, mode) - # Assert - self.assertTrue(os.path.isfile(outfile)) - self.assertGreater(os.path.getsize(outfile), 0) - def test_monochrome(self): - # Arrange - mode = "1" +def test_p_mode(tmp_path): + # Arrange + mode = "P" - # Act / Assert - self.helper_save_as_pdf(mode) + # Act / Assert + helper_save_as_pdf(tmp_path, mode) - def test_greyscale(self): - # Arrange - mode = "L" - # Act / Assert - self.helper_save_as_pdf(mode) +def test_cmyk_mode(tmp_path): + # Arrange + mode = "CMYK" - def test_rgb(self): - # Arrange - mode = "RGB" + # Act / Assert + helper_save_as_pdf(tmp_path, mode) - # Act / Assert - self.helper_save_as_pdf(mode) - def test_p_mode(self): - # Arrange - mode = "P" +def test_unsupported_mode(tmp_path): + im = hopper("LA") + outfile = str(tmp_path / "temp_LA.pdf") - # Act / Assert - self.helper_save_as_pdf(mode) + with pytest.raises(ValueError): + im.save(outfile) - def test_cmyk_mode(self): - # Arrange - mode = "CMYK" - # Act / Assert - self.helper_save_as_pdf(mode) +def test_resolution(tmp_path): + im = hopper() - def test_unsupported_mode(self): - im = hopper("LA") - outfile = self.tempfile("temp_LA.pdf") + outfile = str(tmp_path / "temp.pdf") + im.save(outfile, resolution=150) - self.assertRaises(ValueError, lambda: im.save(outfile)) + with open(outfile, "rb") as fp: + contents = fp.read() - def test_save_all(self): - # Single frame image - self.helper_save_as_pdf("RGB", save_all=True) + size = tuple( + float(d) + for d in contents.split(b"stream\nq ")[1].split(b" 0 0 cm")[0].split(b" 0 0 ") + ) + assert size == (61.44, 61.44) - # Multiframe image - im = Image.open("Tests/images/dispose_bgnd.gif") + size = tuple( + float(d) for d in contents.split(b"/MediaBox [ 0 0 ")[1].split(b"]")[0].split() + ) + assert size == (61.44, 61.44) - outfile = self.tempfile('temp.pdf') + +@mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" +) +def test_save_all(tmp_path): + # Single frame image + helper_save_as_pdf(tmp_path, "RGB", save_all=True) + + # Multiframe image + with Image.open("Tests/images/dispose_bgnd.gif") as im: + + outfile = str(tmp_path / "temp.pdf") im.save(outfile, save_all=True) - self.assertTrue(os.path.isfile(outfile)) - self.assertGreater(os.path.getsize(outfile), 0) + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 + + # Append images + ims = [hopper()] + im.copy().save(outfile, save_all=True, append_images=ims) + + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 + + # Test appending using a generator + def imGenerator(ims): + yield from ims + + im.save(outfile, save_all=True, append_images=imGenerator(ims)) + + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 + + # Append JPEG images + with Image.open("Tests/images/flower.jpg") as jpeg: + jpeg.save(outfile, save_all=True, append_images=[jpeg.copy()]) + + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 + + +def test_multiframe_normal_save(tmp_path): + # Test saving a multiframe image without save_all + with Image.open("Tests/images/dispose_bgnd.gif") as im: + + outfile = str(tmp_path / "temp.pdf") + im.save(outfile) + + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 + + +def test_pdf_open(tmp_path): + # fail on a buffer full of null bytes + with pytest.raises(PdfParser.PdfFormatError): + PdfParser.PdfParser(buf=bytearray(65536)) + + # make an empty PDF object + with PdfParser.PdfParser() as empty_pdf: + assert len(empty_pdf.pages) == 0 + assert len(empty_pdf.info) == 0 + assert not empty_pdf.should_close_buf + assert not empty_pdf.should_close_file + + # make a PDF file + pdf_filename = helper_save_as_pdf(tmp_path, "RGB") + + # open the PDF file + with PdfParser.PdfParser(filename=pdf_filename) as hopper_pdf: + assert len(hopper_pdf.pages) == 1 + assert hopper_pdf.should_close_buf + assert hopper_pdf.should_close_file + + # read a PDF file from a buffer with a non-zero offset + with open(pdf_filename, "rb") as f: + content = b"xyzzy" + f.read() + with PdfParser.PdfParser(buf=content, start_offset=5) as hopper_pdf: + assert len(hopper_pdf.pages) == 1 + assert not hopper_pdf.should_close_buf + assert not hopper_pdf.should_close_file + + # read a PDF file from an already open file + with open(pdf_filename, "rb") as f: + with PdfParser.PdfParser(f=f) as hopper_pdf: + assert len(hopper_pdf.pages) == 1 + assert hopper_pdf.should_close_buf + assert not hopper_pdf.should_close_file + + +def test_pdf_append_fails_on_nonexistent_file(): + im = hopper("RGB") + with tempfile.TemporaryDirectory() as temp_dir: + with pytest.raises(OSError): + im.save(os.path.join(temp_dir, "nonexistent.pdf"), append=True) + + +def check_pdf_pages_consistency(pdf): + pages_info = pdf.read_indirect(pdf.pages_ref) + assert b"Parent" not in pages_info + assert b"Kids" in pages_info + kids_not_used = pages_info[b"Kids"] + for page_ref in pdf.pages: + while True: + if page_ref in kids_not_used: + kids_not_used.remove(page_ref) + page_info = pdf.read_indirect(page_ref) + assert b"Parent" in page_info + page_ref = page_info[b"Parent"] + if page_ref == pdf.pages_ref: + break + assert pdf.pages_ref == page_info[b"Parent"] + assert kids_not_used == [] + + +def test_pdf_append(tmp_path): + # make a PDF file + pdf_filename = helper_save_as_pdf(tmp_path, "RGB", producer="PdfParser") + + # open it, check pages and info + with PdfParser.PdfParser(pdf_filename, mode="r+b") as pdf: + assert len(pdf.pages) == 1 + assert len(pdf.info) == 4 + assert pdf.info.Title == os.path.splitext(os.path.basename(pdf_filename))[0] + assert pdf.info.Producer == "PdfParser" + assert b"CreationDate" in pdf.info + assert b"ModDate" in pdf.info + check_pdf_pages_consistency(pdf) + + # append some info + pdf.info.Title = "abc" + pdf.info.Author = "def" + pdf.info.Subject = "ghi\uABCD" + pdf.info.Keywords = "qw)e\\r(ty" + pdf.info.Creator = "hopper()" + pdf.start_writing() + pdf.write_xref_and_trailer() + + # open it again, check pages and info again + with PdfParser.PdfParser(pdf_filename) as pdf: + assert len(pdf.pages) == 1 + assert len(pdf.info) == 8 + assert pdf.info.Title == "abc" + assert b"CreationDate" in pdf.info + assert b"ModDate" in pdf.info + check_pdf_pages_consistency(pdf) + + # append two images + mode_CMYK = hopper("CMYK") + mode_P = hopper("P") + mode_CMYK.save(pdf_filename, append=True, save_all=True, append_images=[mode_P]) + + # open the PDF again, check pages and info again + with PdfParser.PdfParser(pdf_filename) as pdf: + assert len(pdf.pages) == 3 + assert len(pdf.info) == 8 + assert PdfParser.decode_text(pdf.info[b"Title"]) == "abc" + assert pdf.info.Title == "abc" + assert pdf.info.Producer == "PdfParser" + assert pdf.info.Keywords == "qw)e\\r(ty" + assert pdf.info.Subject == "ghi\uABCD" + assert b"CreationDate" in pdf.info + assert b"ModDate" in pdf.info + check_pdf_pages_consistency(pdf) + + +def test_pdf_info(tmp_path): + # make a PDF file + pdf_filename = helper_save_as_pdf( + tmp_path, + "RGB", + title="title", + author="author", + subject="subject", + keywords="keywords", + creator="creator", + producer="producer", + creationDate=time.strptime("2000", "%Y"), + modDate=time.strptime("2001", "%Y"), + ) + + # open it, check pages and info + with PdfParser.PdfParser(pdf_filename) as pdf: + assert len(pdf.info) == 8 + assert pdf.info.Title == "title" + assert pdf.info.Author == "author" + assert pdf.info.Subject == "subject" + assert pdf.info.Keywords == "keywords" + assert pdf.info.Creator == "creator" + assert pdf.info.Producer == "producer" + assert pdf.info.CreationDate == time.strptime("2000", "%Y") + assert pdf.info.ModDate == time.strptime("2001", "%Y") + check_pdf_pages_consistency(pdf) + + +def test_pdf_append_to_bytesio(): + im = hopper("RGB") + f = io.BytesIO() + im.save(f, format="PDF") + initial_size = len(f.getvalue()) + assert initial_size > 0 + im = hopper("P") + f = io.BytesIO(f.getvalue()) + im.save(f, format="PDF", append=True) + assert len(f.getvalue()) > initial_size + +@pytest.mark.timeout(1) +@pytest.mark.parametrize("newline", (b"\r", b"\n")) +def test_redos(newline): + malicious = b" trailer<<>>" + newline * 3456 -if __name__ == '__main__': - unittest.main() + # This particular exception isn't relevant here. + # The important thing is it doesn't timeout, cause a ReDoS (CVE-2021-25292). + with pytest.raises(PdfParser.PdfFormatError): + PdfParser.PdfParser(buf=malicious) diff --git a/Tests/test_file_pixar.py b/Tests/test_file_pixar.py new file mode 100644 index 00000000000..315ea4676e1 --- /dev/null +++ b/Tests/test_file_pixar.py @@ -0,0 +1,26 @@ +import pytest + +from PIL import Image, PixarImagePlugin + +from .helper import assert_image_similar, hopper + +TEST_FILE = "Tests/images/hopper.pxr" + + +def test_sanity(): + with Image.open(TEST_FILE) as im: + im.load() + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "PIXAR" + assert im.get_format_mimetype() is None + + im2 = hopper() + assert_image_similar(im, im2, 4.8) + + +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" + + with pytest.raises(SyntaxError): + PixarImagePlugin.PixarImageFile(invalid_file) diff --git a/Tests/test_file_png.py b/Tests/test_file_png.py index a96422fa71f..0869cc58bc5 100644 --- a/Tests/test_file_png.py +++ b/Tests/test_file_png.py @@ -1,18 +1,31 @@ -from helper import unittest, PillowTestCase, hopper - +import re +import sys +import zlib from io import BytesIO -from PIL import Image -from PIL import ImageFile -from PIL import PngImagePlugin -import zlib +import pytest -codecs = dir(Image.core) +from PIL import Image, ImageFile, PngImagePlugin, features + +from .helper import ( + PillowLeakTestCase, + assert_image, + assert_image_equal, + assert_image_equal_tofile, + hopper, + is_win32, + mark_if_feature_version, + skip_unless_feature, +) + +try: + import defusedxml.ElementTree as ElementTree +except ImportError: + ElementTree = None # sample png stream TEST_PNG_FILE = "Tests/images/hopper.png" -TEST_DATA = open(TEST_PNG_FILE, "rb").read() # stuff to create inline PNG images @@ -24,9 +37,10 @@ def chunk(cid, *data): PngImagePlugin.putchunk(*(test_file, cid) + data) return test_file.getvalue() + o32 = PngImagePlugin.o32 -IHDR = chunk(b"IHDR", o32(1), o32(1), b'\x08\x02', b'\0\0\0') +IHDR = chunk(b"IHDR", o32(1), o32(1), b"\x08\x02", b"\0\0\0") IDAT = chunk(b"IDAT") IEND = chunk(b"IEND") @@ -45,328 +59,354 @@ def roundtrip(im, **options): return Image.open(out) -class TestFilePng(PillowTestCase): - - def setUp(self): - if "zip_encoder" not in codecs or "zip_decoder" not in codecs: - self.skipTest("zip/deflate support not available") - - def test_sanity(self): +@skip_unless_feature("zlib") +class TestFilePng: + def get_chunks(self, filename): + chunks = [] + with open(filename, "rb") as fp: + fp.read(8) + with PngImagePlugin.PngStream(fp) as png: + while True: + cid, pos, length = png.read() + chunks.append(cid) + try: + s = png.call(cid, pos, length) + except EOFError: + break + png.crc(cid, s) + return chunks + + def test_sanity(self, tmp_path): # internal version number - self.assertRegexpMatches( - Image.core.zlib_version, r"\d+\.\d+\.\d+(\.\d+)?$") - - test_file = self.tempfile("temp.png") - - hopper("RGB").save(test_file) + assert re.search(r"\d+\.\d+\.\d+(\.\d+)?$", features.version_codec("zlib")) - im = Image.open(test_file) - im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "PNG") - - hopper("1").save(test_file) - im = Image.open(test_file) - - hopper("L").save(test_file) - im = Image.open(test_file) - - hopper("P").save(test_file) - im = Image.open(test_file) + test_file = str(tmp_path / "temp.png") hopper("RGB").save(test_file) - im = Image.open(test_file) - hopper("I").save(test_file) - im = Image.open(test_file) + with Image.open(test_file) as im: + im.load() + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "PNG" + assert im.get_format_mimetype() == "image/png" + + for mode in ["1", "L", "P", "RGB", "I", "I;16"]: + im = hopper(mode) + im.save(test_file) + with Image.open(test_file) as reloaded: + if mode == "I;16": + reloaded = reloaded.convert(mode) + assert_image_equal(reloaded, im) def test_invalid_file(self): invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: PngImagePlugin.PngImageFile(invalid_file)) + with pytest.raises(SyntaxError): + PngImagePlugin.PngImageFile(invalid_file) def test_broken(self): # Check reading of totally broken files. In this case, the test # file was checked into Subversion as a text file. test_file = "Tests/images/broken.png" - self.assertRaises(IOError, lambda: Image.open(test_file)) + with pytest.raises(OSError): + with Image.open(test_file): + pass def test_bad_text(self): # Make sure PIL can read malformed tEXt chunks (@PIL152) - im = load(HEAD + chunk(b'tEXt') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"tEXt") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'tEXt', b'spam') + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load(HEAD + chunk(b"tEXt", b"spam") + TAIL) + assert im.info == {"spam": ""} - im = load(HEAD + chunk(b'tEXt', b'spam\0') + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load(HEAD + chunk(b"tEXt", b"spam\0") + TAIL) + assert im.info == {"spam": ""} - im = load(HEAD + chunk(b'tEXt', b'spam\0egg') + TAIL) - self.assertEqual(im.info, {'spam': 'egg'}) + im = load(HEAD + chunk(b"tEXt", b"spam\0egg") + TAIL) + assert im.info == {"spam": "egg"} - im = load(HEAD + chunk(b'tEXt', b'spam\0egg\0') + TAIL) - self.assertEqual(im.info, {'spam': 'egg\x00'}) + im = load(HEAD + chunk(b"tEXt", b"spam\0egg\0") + TAIL) + assert im.info == {"spam": "egg\x00"} def test_bad_ztxt(self): # Test reading malformed zTXt chunks (python-pillow/Pillow#318) - im = load(HEAD + chunk(b'zTXt') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"zTXt") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'zTXt', b'spam') + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load(HEAD + chunk(b"zTXt", b"spam") + TAIL) + assert im.info == {"spam": ""} - im = load(HEAD + chunk(b'zTXt', b'spam\0') + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load(HEAD + chunk(b"zTXt", b"spam\0") + TAIL) + assert im.info == {"spam": ""} - im = load(HEAD + chunk(b'zTXt', b'spam\0\0') + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load(HEAD + chunk(b"zTXt", b"spam\0\0") + TAIL) + assert im.info == {"spam": ""} - im = load(HEAD + chunk( - b'zTXt', b'spam\0\0' + zlib.compress(b'egg')[:1]) + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load(HEAD + chunk(b"zTXt", b"spam\0\0" + zlib.compress(b"egg")[:1]) + TAIL) + assert im.info == {"spam": ""} - im = load( - HEAD + chunk(b'zTXt', b'spam\0\0' + zlib.compress(b'egg')) + TAIL) - self.assertEqual(im.info, {'spam': 'egg'}) + im = load(HEAD + chunk(b"zTXt", b"spam\0\0" + zlib.compress(b"egg")) + TAIL) + assert im.info == {"spam": "egg"} def test_bad_itxt(self): - im = load(HEAD + chunk(b'iTXt') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"iTXt") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'iTXt', b'spam') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"iTXt", b"spam") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'iTXt', b'spam\0') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"iTXt", b"spam\0") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'iTXt', b'spam\0\x02') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"iTXt", b"spam\0\x02") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'iTXt', b'spam\0\0\0foo\0') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"iTXt", b"spam\0\0\0foo\0") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'iTXt', b'spam\0\0\0en\0Spam\0egg') + TAIL) - self.assertEqual(im.info, {"spam": "egg"}) - self.assertEqual(im.info["spam"].lang, "en") - self.assertEqual(im.info["spam"].tkey, "Spam") + im = load(HEAD + chunk(b"iTXt", b"spam\0\0\0en\0Spam\0egg") + TAIL) + assert im.info == {"spam": "egg"} + assert im.info["spam"].lang == "en" + assert im.info["spam"].tkey == "Spam" - im = load(HEAD + chunk(b'iTXt', b'spam\0\1\0en\0Spam\0' + - zlib.compress(b"egg")[:1]) + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load( + HEAD + + chunk(b"iTXt", b"spam\0\1\0en\0Spam\0" + zlib.compress(b"egg")[:1]) + + TAIL + ) + assert im.info == {"spam": ""} - im = load(HEAD + chunk(b'iTXt', b'spam\0\1\1en\0Spam\0' + - zlib.compress(b"egg")) + TAIL) - self.assertEqual(im.info, {}) + im = load( + HEAD + + chunk(b"iTXt", b"spam\0\1\1en\0Spam\0" + zlib.compress(b"egg")) + + TAIL + ) + assert im.info == {} - im = load(HEAD + chunk(b'iTXt', b'spam\0\1\0en\0Spam\0' + - zlib.compress(b"egg")) + TAIL) - self.assertEqual(im.info, {"spam": "egg"}) - self.assertEqual(im.info["spam"].lang, "en") - self.assertEqual(im.info["spam"].tkey, "Spam") + im = load( + HEAD + + chunk(b"iTXt", b"spam\0\1\0en\0Spam\0" + zlib.compress(b"egg")) + + TAIL + ) + assert im.info == {"spam": "egg"} + assert im.info["spam"].lang == "en" + assert im.info["spam"].tkey == "Spam" def test_interlace(self): test_file = "Tests/images/pil123p.png" - im = Image.open(test_file) + with Image.open(test_file) as im: + assert_image(im, "P", (162, 150)) + assert im.info.get("interlace") - self.assert_image(im, "P", (162, 150)) - self.assertTrue(im.info.get("interlace")) - - im.load() + im.load() test_file = "Tests/images/pil123rgba.png" - im = Image.open(test_file) - - self.assert_image(im, "RGBA", (162, 150)) - self.assertTrue(im.info.get("interlace")) + with Image.open(test_file) as im: + assert_image(im, "RGBA", (162, 150)) + assert im.info.get("interlace") - im.load() + im.load() def test_load_transparent_p(self): test_file = "Tests/images/pil123p.png" - im = Image.open(test_file) - - self.assert_image(im, "P", (162, 150)) - im = im.convert("RGBA") - self.assert_image(im, "RGBA", (162, 150)) + with Image.open(test_file) as im: + assert_image(im, "P", (162, 150)) + im = im.convert("RGBA") + assert_image(im, "RGBA", (162, 150)) # image has 124 unique alpha values - self.assertEqual(len(im.split()[3].getcolors()), 124) + assert len(im.getchannel("A").getcolors()) == 124 def test_load_transparent_rgb(self): test_file = "Tests/images/rgb_trns.png" - im = Image.open(test_file) - self.assertEqual(im.info["transparency"], (0, 255, 52)) + with Image.open(test_file) as im: + assert im.info["transparency"] == (0, 255, 52) - self.assert_image(im, "RGB", (64, 64)) - im = im.convert("RGBA") - self.assert_image(im, "RGBA", (64, 64)) + assert_image(im, "RGB", (64, 64)) + im = im.convert("RGBA") + assert_image(im, "RGBA", (64, 64)) # image has 876 transparent pixels - self.assertEqual(im.split()[3].getcolors()[0][0], 876) + assert im.getchannel("A").getcolors()[0][0] == 876 - def test_save_p_transparent_palette(self): + def test_save_p_transparent_palette(self, tmp_path): in_file = "Tests/images/pil123p.png" - im = Image.open(in_file) - - # 'transparency' contains a byte string with the opacity for - # each palette entry - self.assertEqual(len(im.info["transparency"]), 256) + with Image.open(in_file) as im: + # 'transparency' contains a byte string with the opacity for + # each palette entry + assert len(im.info["transparency"]) == 256 - test_file = self.tempfile("temp.png") - im.save(test_file) + test_file = str(tmp_path / "temp.png") + im.save(test_file) # check if saved image contains same transparency - im = Image.open(test_file) - self.assertEqual(len(im.info["transparency"]), 256) + with Image.open(test_file) as im: + assert len(im.info["transparency"]) == 256 - self.assert_image(im, "P", (162, 150)) - im = im.convert("RGBA") - self.assert_image(im, "RGBA", (162, 150)) + assert_image(im, "P", (162, 150)) + im = im.convert("RGBA") + assert_image(im, "RGBA", (162, 150)) # image has 124 unique alpha values - self.assertEqual(len(im.split()[3].getcolors()), 124) + assert len(im.getchannel("A").getcolors()) == 124 - def test_save_p_single_transparency(self): + def test_save_p_single_transparency(self, tmp_path): in_file = "Tests/images/p_trns_single.png" - im = Image.open(in_file) - - # pixel value 164 is full transparent - self.assertEqual(im.info["transparency"], 164) - self.assertEqual(im.getpixel((31, 31)), 164) + with Image.open(in_file) as im: + # pixel value 164 is full transparent + assert im.info["transparency"] == 164 + assert im.getpixel((31, 31)) == 164 - test_file = self.tempfile("temp.png") - im.save(test_file) + test_file = str(tmp_path / "temp.png") + im.save(test_file) # check if saved image contains same transparency - im = Image.open(test_file) - self.assertEqual(im.info["transparency"], 164) - self.assertEqual(im.getpixel((31, 31)), 164) - self.assert_image(im, "P", (64, 64)) - im = im.convert("RGBA") - self.assert_image(im, "RGBA", (64, 64)) + with Image.open(test_file) as im: + assert im.info["transparency"] == 164 + assert im.getpixel((31, 31)) == 164 + assert_image(im, "P", (64, 64)) + im = im.convert("RGBA") + assert_image(im, "RGBA", (64, 64)) - self.assertEqual(im.getpixel((31, 31)), (0, 255, 52, 0)) + assert im.getpixel((31, 31)) == (0, 255, 52, 0) # image has 876 transparent pixels - self.assertEqual(im.split()[3].getcolors()[0][0], 876) + assert im.getchannel("A").getcolors()[0][0] == 876 - def test_save_p_transparent_black(self): + def test_save_p_transparent_black(self, tmp_path): # check if solid black image with full transparency # is supported (check for #1838) im = Image.new("RGBA", (10, 10), (0, 0, 0, 0)) - self.assertEqual(im.getcolors(), [(100, (0, 0, 0, 0))]) + assert im.getcolors() == [(100, (0, 0, 0, 0))] im = im.convert("P") - test_file = self.tempfile("temp.png") + test_file = str(tmp_path / "temp.png") im.save(test_file) # check if saved image contains same transparency - im = Image.open(test_file) - self.assertEqual(len(im.info["transparency"]), 256) - self.assert_image(im, "P", (10, 10)) - im = im.convert("RGBA") - self.assert_image(im, "RGBA", (10, 10)) - self.assertEqual(im.getcolors(), [(100, (0, 0, 0, 0))]) - - def test_save_l_transparency(self): - in_file = "Tests/images/l_trns.png" - im = Image.open(in_file) - - test_file = self.tempfile("temp.png") - im.save(test_file) - - # There are 559 transparent pixels. - im = im.convert('RGBA') - self.assertEqual(im.split()[3].getcolors()[0][0], 559) - - def test_save_rgb_single_transparency(self): + with Image.open(test_file) as im: + assert len(im.info["transparency"]) == 256 + assert_image(im, "P", (10, 10)) + im = im.convert("RGBA") + assert_image(im, "RGBA", (10, 10)) + assert im.getcolors() == [(100, (0, 0, 0, 0))] + + def test_save_greyscale_transparency(self, tmp_path): + for mode, num_transparent in {"1": 1994, "L": 559, "I": 559}.items(): + in_file = "Tests/images/" + mode.lower() + "_trns.png" + with Image.open(in_file) as im: + assert im.mode == mode + assert im.info["transparency"] == 255 + + im_rgba = im.convert("RGBA") + assert im_rgba.getchannel("A").getcolors()[0][0] == num_transparent + + test_file = str(tmp_path / "temp.png") + im.save(test_file) + + with Image.open(test_file) as test_im: + assert test_im.mode == mode + assert test_im.info["transparency"] == 255 + assert_image_equal(im, test_im) + + test_im_rgba = test_im.convert("RGBA") + assert test_im_rgba.getchannel("A").getcolors()[0][0] == num_transparent + + def test_save_rgb_single_transparency(self, tmp_path): in_file = "Tests/images/caption_6_33_22.png" - im = Image.open(in_file) - - test_file = self.tempfile("temp.png") - im.save(test_file) + with Image.open(in_file) as im: + test_file = str(tmp_path / "temp.png") + im.save(test_file) def test_load_verify(self): # Check open/load/verify exception (@PIL150) - im = Image.open(TEST_PNG_FILE) - im.verify() + with Image.open(TEST_PNG_FILE) as im: + # Assert that there is no unclosed file warning + with pytest.warns(None) as record: + im.verify() + assert not record - im = Image.open(TEST_PNG_FILE) - im.load() - self.assertRaises(RuntimeError, im.verify) + with Image.open(TEST_PNG_FILE) as im: + im.load() + with pytest.raises(RuntimeError): + im.verify() def test_verify_struct_error(self): # Check open/load/verify exception (#1755) - # offsets to test, -10: breaks in i32() in read. (IOError) + # offsets to test, -10: breaks in i32() in read. (OSError) # -13: breaks in crc, txt chunk. # -14: malformed chunk for offset in (-10, -13, -14): - with open(TEST_PNG_FILE, 'rb') as f: + with open(TEST_PNG_FILE, "rb") as f: test_file = f.read()[:offset] - im = Image.open(BytesIO(test_file)) - self.assertTrue(im.fp is not None) - self.assertRaises((IOError, SyntaxError), im.verify) + with Image.open(BytesIO(test_file)) as im: + assert im.fp is not None + with pytest.raises((OSError, SyntaxError)): + im.verify() def test_verify_ignores_crc_error(self): # check ignores crc errors in ancillary chunks - chunk_data = chunk(b'tEXt', b'spam') - broken_crc_chunk_data = chunk_data[:-1] + b'q' # break CRC + chunk_data = chunk(b"tEXt", b"spam") + broken_crc_chunk_data = chunk_data[:-1] + b"q" # break CRC image_data = HEAD + broken_crc_chunk_data + TAIL - self.assertRaises(SyntaxError, PngImagePlugin.PngImageFile, BytesIO(image_data)) + with pytest.raises(SyntaxError): + PngImagePlugin.PngImageFile(BytesIO(image_data)) ImageFile.LOAD_TRUNCATED_IMAGES = True try: im = load(image_data) - self.assertTrue(im is not None) + assert im is not None finally: ImageFile.LOAD_TRUNCATED_IMAGES = False def test_verify_not_ignores_crc_error_in_required_chunk(self): # check does not ignore crc errors in required chunks - image_data = MAGIC + IHDR[:-1] + b'q' + TAIL + image_data = MAGIC + IHDR[:-1] + b"q" + TAIL ImageFile.LOAD_TRUNCATED_IMAGES = True try: - self.assertRaises(SyntaxError, PngImagePlugin.PngImageFile, BytesIO(image_data)) + with pytest.raises(SyntaxError): + PngImagePlugin.PngImageFile(BytesIO(image_data)) finally: ImageFile.LOAD_TRUNCATED_IMAGES = False def test_roundtrip_dpi(self): # Check dpi roundtripping - im = Image.open(TEST_PNG_FILE) + with Image.open(TEST_PNG_FILE) as im: + im = roundtrip(im, dpi=(100.33, 100.33)) + assert im.info["dpi"] == (100.33, 100.33) - im = roundtrip(im, dpi=(100, 100)) - self.assertEqual(im.info["dpi"], (100, 100)) + def test_load_float_dpi(self): + with Image.open(TEST_PNG_FILE) as im: + assert im.info["dpi"] == (95.9866, 95.9866) def test_roundtrip_text(self): # Check text roundtripping - im = Image.open(TEST_PNG_FILE) - - info = PngImagePlugin.PngInfo() - info.add_text("TXT", "VALUE") - info.add_text("ZIP", "VALUE", 1) + with Image.open(TEST_PNG_FILE) as im: + info = PngImagePlugin.PngInfo() + info.add_text("TXT", "VALUE") + info.add_text("ZIP", "VALUE", zip=True) - im = roundtrip(im, pnginfo=info) - self.assertEqual(im.info, {'TXT': 'VALUE', 'ZIP': 'VALUE'}) - self.assertEqual(im.text, {'TXT': 'VALUE', 'ZIP': 'VALUE'}) + im = roundtrip(im, pnginfo=info) + assert im.info == {"TXT": "VALUE", "ZIP": "VALUE"} + assert im.text == {"TXT": "VALUE", "ZIP": "VALUE"} def test_roundtrip_itxt(self): # Check iTXt roundtripping @@ -374,16 +414,15 @@ def test_roundtrip_itxt(self): im = Image.new("RGB", (32, 32)) info = PngImagePlugin.PngInfo() info.add_itxt("spam", "Eggs", "en", "Spam") - info.add_text("eggs", PngImagePlugin.iTXt("Spam", "en", "Eggs"), - zip=True) + info.add_text("eggs", PngImagePlugin.iTXt("Spam", "en", "Eggs"), zip=True) im = roundtrip(im, pnginfo=info) - self.assertEqual(im.info, {"spam": "Eggs", "eggs": "Spam"}) - self.assertEqual(im.text, {"spam": "Eggs", "eggs": "Spam"}) - self.assertEqual(im.text["spam"].lang, "en") - self.assertEqual(im.text["spam"].tkey, "Spam") - self.assertEqual(im.text["eggs"].lang, "en") - self.assertEqual(im.text["eggs"].tkey, "Eggs") + assert im.info == {"spam": "Eggs", "eggs": "Spam"} + assert im.text == {"spam": "Eggs", "eggs": "Spam"} + assert im.text["spam"].lang == "en" + assert im.text["spam"].tkey == "Spam" + assert im.text["eggs"].lang == "en" + assert im.text["eggs"].tkey == "Eggs" def test_nonunicode_text(self): # Check so that non-Unicode text is saved as a tEXt rather than iTXt @@ -392,26 +431,23 @@ def test_nonunicode_text(self): info = PngImagePlugin.PngInfo() info.add_text("Text", "Ascii") im = roundtrip(im, pnginfo=info) - self.assertEqual(type(im.info["Text"]), str) + assert isinstance(im.info["Text"], str) def test_unicode_text(self): - # Check preservation of non-ASCII characters on Python3 - # This cannot really be meaningfully tested on Python2, - # since it didn't preserve charsets to begin with. + # Check preservation of non-ASCII characters def rt_text(value): im = Image.new("RGB", (32, 32)) info = PngImagePlugin.PngInfo() info.add_text("Text", value) im = roundtrip(im, pnginfo=info) - self.assertEqual(im.info, {"Text": value}) + assert im.info == {"Text": value} - if str is not bytes: - rt_text(" Aa" + chr(0xa0) + chr(0xc4) + chr(0xff)) # Latin1 - rt_text(chr(0x400) + chr(0x472) + chr(0x4ff)) # Cyrillic - rt_text(chr(0x4e00) + chr(0x66f0) + # CJK - chr(0x9fba) + chr(0x3042) + chr(0xac00)) - rt_text("A" + chr(0xc4) + chr(0x472) + chr(0x3042)) # Combined + rt_text(" Aa" + chr(0xA0) + chr(0xC4) + chr(0xFF)) # Latin1 + rt_text(chr(0x400) + chr(0x472) + chr(0x4FF)) # Cyrillic + # CJK: + rt_text(chr(0x4E00) + chr(0x66F0) + chr(0x9FBA) + chr(0x3042) + chr(0xAC00)) + rt_text("A" + chr(0xC4) + chr(0x472) + chr(0x3042)) # Combined def test_scary(self): # Check reading of evil PNG file. For information, see: @@ -419,85 +455,329 @@ def test_scary(self): # The first byte is removed from pngtest_bad.png # to avoid classification as malware. - with open("Tests/images/pngtest_bad.png.bin", 'rb') as fd: - data = b'\x89' + fd.read() + with open("Tests/images/pngtest_bad.png.bin", "rb") as fd: + data = b"\x89" + fd.read() pngfile = BytesIO(data) - self.assertRaises(IOError, lambda: Image.open(pngfile)) + with pytest.raises(OSError): + with Image.open(pngfile): + pass def test_trns_rgb(self): # Check writing and reading of tRNS chunks for RGB images. # Independent file sample provided by Sebastian Spaeth. test_file = "Tests/images/caption_6_33_22.png" - im = Image.open(test_file) - self.assertEqual(im.info["transparency"], (248, 248, 248)) + with Image.open(test_file) as im: + assert im.info["transparency"] == (248, 248, 248) - # check saving transparency by default - im = roundtrip(im) - self.assertEqual(im.info["transparency"], (248, 248, 248)) + # check saving transparency by default + im = roundtrip(im) + assert im.info["transparency"] == (248, 248, 248) im = roundtrip(im, transparency=(0, 1, 2)) - self.assertEqual(im.info["transparency"], (0, 1, 2)) + assert im.info["transparency"] == (0, 1, 2) - def test_trns_p(self): + def test_trns_p(self, tmp_path): # Check writing a transparency of 0, issue #528 - im = hopper('P') - im.info['transparency'] = 0 + im = hopper("P") + im.info["transparency"] = 0 - f = self.tempfile("temp.png") + f = str(tmp_path / "temp.png") im.save(f) - im2 = Image.open(f) - self.assertIn('transparency', im2.info) + with Image.open(f) as im2: + assert "transparency" in im2.info - self.assert_image_equal(im2.convert('RGBA'), - im.convert('RGBA')) + assert_image_equal(im2.convert("RGBA"), im.convert("RGBA")) def test_trns_null(self): # Check reading images with null tRNS value, issue #1239 test_file = "Tests/images/tRNS_null_1x1.png" - im = Image.open(test_file) + with Image.open(test_file) as im: - self.assertEqual(im.info["transparency"], 0) + assert im.info["transparency"] == 0 def test_save_icc_profile(self): - im = Image.open("Tests/images/icc_profile_none.png") - self.assertEqual(im.info['icc_profile'], None) + with Image.open("Tests/images/icc_profile_none.png") as im: + assert im.info["icc_profile"] is None - with_icc = Image.open("Tests/images/icc_profile.png") - expected_icc = with_icc.info['icc_profile'] + with Image.open("Tests/images/icc_profile.png") as with_icc: + expected_icc = with_icc.info["icc_profile"] - im = roundtrip(im, icc_profile=expected_icc) - self.assertEqual(im.info['icc_profile'], expected_icc) + im = roundtrip(im, icc_profile=expected_icc) + assert im.info["icc_profile"] == expected_icc def test_discard_icc_profile(self): - im = Image.open('Tests/images/icc_profile.png') + with Image.open("Tests/images/icc_profile.png") as im: + assert "icc_profile" in im.info - im = roundtrip(im, icc_profile=None) - self.assertNotIn('icc_profile', im.info) + im = roundtrip(im, icc_profile=None) + assert "icc_profile" not in im.info def test_roundtrip_icc_profile(self): - im = Image.open('Tests/images/icc_profile.png') - expected_icc = im.info['icc_profile'] + with Image.open("Tests/images/icc_profile.png") as im: + expected_icc = im.info["icc_profile"] - im = roundtrip(im) - self.assertEqual(im.info['icc_profile'], expected_icc) + im = roundtrip(im) + assert im.info["icc_profile"] == expected_icc def test_roundtrip_no_icc_profile(self): - im = Image.open("Tests/images/icc_profile_none.png") - self.assertEqual(im.info['icc_profile'], None) + with Image.open("Tests/images/icc_profile_none.png") as im: + assert im.info["icc_profile"] is None - im = roundtrip(im) - self.assertNotIn('icc_profile', im.info) + im = roundtrip(im) + assert "icc_profile" not in im.info def test_repr_png(self): im = hopper() - repr_png = Image.open(BytesIO(im._repr_png_())) - self.assertEqual(repr_png.format, 'PNG') - self.assert_image_equal(im, repr_png) + with Image.open(BytesIO(im._repr_png_())) as repr_png: + assert repr_png.format == "PNG" + assert_image_equal(im, repr_png) + + def test_repr_png_error(self): + im = hopper("F") + + with pytest.raises(ValueError): + im._repr_png_() + + def test_chunk_order(self, tmp_path): + with Image.open("Tests/images/icc_profile.png") as im: + test_file = str(tmp_path / "temp.png") + im.convert("P").save(test_file, dpi=(100, 100)) + + chunks = self.get_chunks(test_file) + + # https://www.w3.org/TR/PNG/#5ChunkOrdering + # IHDR - shall be first + assert chunks.index(b"IHDR") == 0 + # PLTE - before first IDAT + assert chunks.index(b"PLTE") < chunks.index(b"IDAT") + # iCCP - before PLTE and IDAT + assert chunks.index(b"iCCP") < chunks.index(b"PLTE") + assert chunks.index(b"iCCP") < chunks.index(b"IDAT") + # tRNS - after PLTE, before IDAT + assert chunks.index(b"tRNS") > chunks.index(b"PLTE") + assert chunks.index(b"tRNS") < chunks.index(b"IDAT") + # pHYs - before IDAT + assert chunks.index(b"pHYs") < chunks.index(b"IDAT") + + def test_getchunks(self): + im = hopper() + + chunks = PngImagePlugin.getchunks(im) + assert len(chunks) == 3 + + def test_read_private_chunks(self): + with Image.open("Tests/images/exif.png") as im: + assert im.private_chunks == [(b"orNT", b"\x01")] + def test_roundtrip_private_chunk(self): + # Check private chunk roundtripping + + with Image.open(TEST_PNG_FILE) as im: + info = PngImagePlugin.PngInfo() + info.add(b"prIV", b"VALUE") + info.add(b"atEC", b"VALUE2") + info.add(b"prIV", b"VALUE3", True) -if __name__ == '__main__': - unittest.main() + im = roundtrip(im, pnginfo=info) + assert im.private_chunks == [(b"prIV", b"VALUE"), (b"atEC", b"VALUE2")] + im.load() + assert im.private_chunks == [ + (b"prIV", b"VALUE"), + (b"atEC", b"VALUE2"), + (b"prIV", b"VALUE3", True), + ] + + def test_textual_chunks_after_idat(self): + with Image.open("Tests/images/hopper.png") as im: + assert "comment" in im.text.keys() + for k, v in { + "date:create": "2014-09-04T09:37:08+03:00", + "date:modify": "2014-09-04T09:37:08+03:00", + }.items(): + assert im.text[k] == v + + # Raises a SyntaxError in load_end + with Image.open("Tests/images/broken_data_stream.png") as im: + with pytest.raises(OSError): + assert isinstance(im.text, dict) + + # Raises a UnicodeDecodeError in load_end + with Image.open("Tests/images/truncated_image.png") as im: + # The file is truncated + with pytest.raises(OSError): + im.text() + ImageFile.LOAD_TRUNCATED_IMAGES = True + assert isinstance(im.text, dict) + ImageFile.LOAD_TRUNCATED_IMAGES = False + + # Raises an EOFError in load_end + with Image.open("Tests/images/hopper_idat_after_image_end.png") as im: + assert im.text == {"TXT": "VALUE", "ZIP": "VALUE"} + + def test_padded_idat(self): + # This image has been manually hexedited + # so that the IDAT chunk has padding at the end + # Set MAXBLOCK to the length of the actual data + # so that the decoder finishes reading before the chunk ends + MAXBLOCK = ImageFile.MAXBLOCK + ImageFile.MAXBLOCK = 45 + ImageFile.LOAD_TRUNCATED_IMAGES = True + + with Image.open("Tests/images/padded_idat.png") as im: + im.load() + + ImageFile.MAXBLOCK = MAXBLOCK + ImageFile.LOAD_TRUNCATED_IMAGES = False + + assert_image_equal_tofile(im, "Tests/images/bw_gradient.png") + + def test_specify_bits(self, tmp_path): + im = hopper("P") + + out = str(tmp_path / "temp.png") + im.save(out, bits=4) + + with Image.open(out) as reloaded: + assert len(reloaded.png.im_palette[1]) == 48 + + def test_plte_length(self, tmp_path): + im = Image.new("P", (1, 1)) + im.putpalette((1, 1, 1)) + + out = str(tmp_path / "temp.png") + im.save(str(tmp_path / "temp.png")) + + with Image.open(out) as reloaded: + assert len(reloaded.png.im_palette[1]) == 3 + + def test_getxmp(self): + with Image.open("Tests/images/color_snakes.png") as im: + if ElementTree is None: + with pytest.warns(UserWarning): + assert im.getxmp() == {} + else: + xmp = im.getxmp() + + description = xmp["xmpmeta"]["RDF"]["Description"] + assert description["PixelXDimension"] == "10" + assert description["subject"]["Seq"] is None + + def test_exif(self): + # With an EXIF chunk + with Image.open("Tests/images/exif.png") as im: + exif = im._getexif() + assert exif[274] == 1 + + # With an ImageMagick zTXt chunk + with Image.open("Tests/images/exif_imagemagick.png") as im: + exif = im._getexif() + assert exif[274] == 1 + + # Assert that info still can be extracted + # when the image is no longer a PngImageFile instance + exif = im.copy().getexif() + assert exif[274] == 1 + + # With a tEXt chunk + with Image.open("Tests/images/exif_text.png") as im: + exif = im._getexif() + assert exif[274] == 1 + + # With XMP tags + with Image.open("Tests/images/xmp_tags_orientation.png") as im: + exif = im.getexif() + assert exif[274] == 3 + + def test_exif_save(self, tmp_path): + with Image.open("Tests/images/exif.png") as im: + test_file = str(tmp_path / "temp.png") + im.save(test_file) + + with Image.open(test_file) as reloaded: + exif = reloaded._getexif() + assert exif[274] == 1 + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_exif_from_jpg(self, tmp_path): + with Image.open("Tests/images/pil_sample_rgb.jpg") as im: + test_file = str(tmp_path / "temp.png") + im.save(test_file) + + with Image.open(test_file) as reloaded: + exif = reloaded._getexif() + assert exif[305] == "Adobe Photoshop CS Macintosh" + + def test_exif_argument(self, tmp_path): + with Image.open(TEST_PNG_FILE) as im: + test_file = str(tmp_path / "temp.png") + im.save(test_file, exif=b"exifstring") + + with Image.open(test_file) as reloaded: + assert reloaded.info["exif"] == b"Exif\x00\x00exifstring" + + def test_tell(self): + with Image.open(TEST_PNG_FILE) as im: + assert im.tell() == 0 + + def test_seek(self): + with Image.open(TEST_PNG_FILE) as im: + im.seek(0) + + with pytest.raises(EOFError): + im.seek(1) + + @pytest.mark.parametrize("buffer", (True, False)) + def test_save_stdout(self, buffer): + old_stdout = sys.stdout + + if buffer: + + class MyStdOut: + buffer = BytesIO() + + mystdout = MyStdOut() + else: + mystdout = BytesIO() + + sys.stdout = mystdout + + with Image.open(TEST_PNG_FILE) as im: + im.save(sys.stdout, "PNG") + + # Reset stdout + sys.stdout = old_stdout + + if buffer: + mystdout = mystdout.buffer + with Image.open(mystdout) as reloaded: + assert_image_equal_tofile(reloaded, TEST_PNG_FILE) + + +@pytest.mark.skipif(is_win32(), reason="Requires Unix or macOS") +@skip_unless_feature("zlib") +class TestTruncatedPngPLeaks(PillowLeakTestCase): + mem_limit = 2 * 1024 # max increase in K + iterations = 100 # Leak is 56k/iteration, this will leak 5.6megs + + def test_leak_load(self): + with open("Tests/images/hopper.png", "rb") as f: + DATA = BytesIO(f.read(16 * 1024)) + + ImageFile.LOAD_TRUNCATED_IMAGES = True + with Image.open(DATA) as im: + im.load() + + def core(): + with Image.open(DATA) as im: + im.load() + + try: + self._test_leak(core) + finally: + ImageFile.LOAD_TRUNCATED_IMAGES = False diff --git a/Tests/test_file_ppm.py b/Tests/test_file_ppm.py index 817a62393df..ad36319db27 100644 --- a/Tests/test_file_ppm.py +++ b/Tests/test_file_ppm.py @@ -1,58 +1,112 @@ -from helper import unittest, PillowTestCase +import sys +from io import BytesIO + +import pytest from PIL import Image -# sample ppm stream -test_file = "Tests/images/hopper.ppm" -data = open(test_file, "rb").read() +from .helper import assert_image_equal_tofile, assert_image_similar, hopper +# sample ppm stream +TEST_FILE = "Tests/images/hopper.ppm" -class TestFilePpm(PillowTestCase): - def test_sanity(self): - im = Image.open(test_file) +def test_sanity(): + with Image.open(TEST_FILE) as im: im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "PPM") + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format, "PPM" + assert im.get_format_mimetype() == "image/x-portable-pixmap" - def test_16bit_pgm(self): - im = Image.open('Tests/images/16_bit_binary.pgm') + +def test_16bit_pgm(): + with Image.open("Tests/images/16_bit_binary.pgm") as im: im.load() - self.assertEqual(im.mode, 'I') - self.assertEqual(im.size, (20, 100)) + assert im.mode == "I" + assert im.size == (20, 100) + assert im.get_format_mimetype() == "image/x-portable-graymap" + + assert_image_equal_tofile(im, "Tests/images/16_bit_binary_pgm.png") - tgt = Image.open('Tests/images/16_bit_binary_pgm.png') - self.assert_image_equal(im, tgt) - def test_16bit_pgm_write(self): - im = Image.open('Tests/images/16_bit_binary.pgm') +def test_16bit_pgm_write(tmp_path): + with Image.open("Tests/images/16_bit_binary.pgm") as im: im.load() - f = self.tempfile('temp.pgm') - im.save(f, 'PPM') + f = str(tmp_path / "temp.pgm") + im.save(f, "PPM") + + assert_image_equal_tofile(im, f) + + +def test_pnm(tmp_path): + with Image.open("Tests/images/hopper.pnm") as im: + assert_image_similar(im, hopper(), 0.0001) + + f = str(tmp_path / "temp.pnm") + im.save(f) + + assert_image_equal_tofile(im, f) + + +def test_truncated_file(tmp_path): + path = str(tmp_path / "temp.pgm") + with open(path, "w") as f: + f.write("P6") + + with pytest.raises(ValueError): + with Image.open(path): + pass + + +def test_neg_ppm(): + # Storage.c accepted negative values for xsize, ysize. the + # internal open_ppm function didn't check for sanity but it + # has been removed. The default opener doesn't accept negative + # sizes. + + with pytest.raises(OSError): + with Image.open("Tests/images/negative_size.ppm"): + pass + + +def test_mimetypes(tmp_path): + path = str(tmp_path / "temp.pgm") + + with open(path, "w") as f: + f.write("P4\n128 128\n255") + with Image.open(path) as im: + assert im.get_format_mimetype() == "image/x-portable-bitmap" + + with open(path, "w") as f: + f.write("PyCMYK\n128 128\n255") + with Image.open(path) as im: + assert im.get_format_mimetype() == "image/x-portable-anymap" + + +@pytest.mark.parametrize("buffer", (True, False)) +def test_save_stdout(buffer): + old_stdout = sys.stdout - reloaded = Image.open(f) - self.assert_image_equal(im, reloaded) + if buffer: - def test_truncated_file(self): - path = self.tempfile('temp.pgm') - f = open(path, 'w') - f.write('P6') - f.close() + class MyStdOut: + buffer = BytesIO() - self.assertRaises(ValueError, lambda: Image.open(path)) + mystdout = MyStdOut() + else: + mystdout = BytesIO() + sys.stdout = mystdout - def test_neg_ppm(self): - # Storage.c accepted negative values for xsize, ysize. the - # internal open_ppm function didn't check for sanity but it - # has been removed. The default opener doesn't accept negative - # sizes. - - with self.assertRaises(IOError): - Image.open('Tests/images/negative_size.ppm') + with Image.open(TEST_FILE) as im: + im.save(sys.stdout, "PPM") + # Reset stdout + sys.stdout = old_stdout -if __name__ == '__main__': - unittest.main() + if buffer: + mystdout = mystdout.buffer + with Image.open(mystdout) as reloaded: + assert_image_equal_tofile(reloaded, TEST_FILE) diff --git a/Tests/test_file_psd.py b/Tests/test_file_psd.py index 6bf34cf7873..f50fe133ffc 100644 --- a/Tests/test_file_psd.py +++ b/Tests/test_file_psd.py @@ -1,49 +1,155 @@ -from helper import unittest, PillowTestCase +import pytest from PIL import Image, PsdImagePlugin -# sample ppm stream +from .helper import assert_image_similar, hopper, is_pypy + test_file = "Tests/images/hopper.psd" -data = open(test_file, "rb").read() -class TestImagePsd(PillowTestCase): +def test_sanity(): + with Image.open(test_file) as im: + im.load() + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "PSD" + assert im.get_format_mimetype() == "image/vnd.adobe.photoshop" + + im2 = hopper() + assert_image_similar(im, im2, 4.8) - def test_sanity(self): + +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): im = Image.open(test_file) im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "PSD") - - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: PsdImagePlugin.PsdImageFile(invalid_file)) + pytest.warns(ResourceWarning, open) - def test_n_frames(self): - im = Image.open("Tests/images/hopper_merged.psd") - self.assertEqual(im.n_frames, 1) - self.assertFalse(im.is_animated) +def test_closed_file(): + with pytest.warns(None) as record: im = Image.open(test_file) - self.assertEqual(im.n_frames, 2) - self.assertTrue(im.is_animated) + im.load() + im.close() - def test_eoferror(self): - im = Image.open(test_file) + assert not record + + +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(test_file) as im: + im.load() + + assert not record + + +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" + + with pytest.raises(SyntaxError): + PsdImagePlugin.PsdImageFile(invalid_file) + + +def test_n_frames(): + with Image.open("Tests/images/hopper_merged.psd") as im: + assert im.n_frames == 1 + assert not im.is_animated + + for path in [test_file, "Tests/images/negative_layer_count.psd"]: + with Image.open(path) as im: + assert im.n_frames == 2 + assert im.is_animated + + +def test_eoferror(): + with Image.open(test_file) as im: + # PSD seek index starts at 1 rather than 0 + n_frames = im.n_frames + 1 + + # Test seeking past the last frame + with pytest.raises(EOFError): + im.seek(n_frames) + assert im.tell() < n_frames + + # Test that seeking to the last frame does not raise an error + im.seek(n_frames - 1) + + +def test_seek_tell(): + with Image.open(test_file) as im: + + layer_number = im.tell() + assert layer_number == 1 + + with pytest.raises(EOFError): + im.seek(0) + + im.seek(1) + layer_number = im.tell() + assert layer_number == 1 + + im.seek(2) + layer_number = im.tell() + assert layer_number == 2 + + +def test_seek_eoferror(): + with Image.open(test_file) as im: + + with pytest.raises(EOFError): + im.seek(-1) + + +def test_open_after_exclusive_load(): + with Image.open(test_file) as im: + im.load() + im.seek(im.tell() + 1) + im.load() + + +def test_icc_profile(): + with Image.open(test_file) as im: + assert "icc_profile" in im.info + + icc_profile = im.info["icc_profile"] + assert len(icc_profile) == 3144 + + +def test_no_icc_profile(): + with Image.open("Tests/images/hopper_merged.psd") as im: + assert "icc_profile" not in im.info + + +def test_combined_larger_than_size(): + # The 'combined' sizes of the individual parts is larger than the + # declared 'size' of the extra data field, resulting in a backwards seek. - n_frames = im.n_frames - while True: - n_frames -= 1 - try: - # PSD seek index starts at 1 rather than 0 - im.seek(n_frames+1) - break - except EOFError: - self.assertTrue(im.tell() < n_frames) + # If we instead take the 'size' of the extra data field as the source of truth, + # then the seek can't be negative + with pytest.raises(OSError): + with Image.open("Tests/images/combined_larger_than_size.psd"): + pass -if __name__ == '__main__': - unittest.main() +@pytest.mark.parametrize( + "test_file,raises", + [ + ( + "Tests/images/timeout-1ee28a249896e05b83840ae8140622de8e648ba9.psd", + Image.UnidentifiedImageError, + ), + ( + "Tests/images/timeout-598843abc37fc080ec36a2699ebbd44f795d3a6f.psd", + Image.UnidentifiedImageError, + ), + ("Tests/images/timeout-c8efc3fded6426986ba867a399791bae544f59bc.psd", OSError), + ("Tests/images/timeout-dedc7a4ebd856d79b4359bbcc79e8ef231ce38f6.psd", OSError), + ], +) +def test_crashes(test_file, raises): + with open(test_file, "rb") as f: + with pytest.raises(raises): + with Image.open(f): + pass diff --git a/Tests/test_file_sgi.py b/Tests/test_file_sgi.py index 870e57ed806..6a5d8887d33 100644 --- a/Tests/test_file_sgi.py +++ b/Tests/test_file_sgi.py @@ -1,44 +1,105 @@ -from helper import unittest, PillowTestCase +import pytest from PIL import Image, SgiImagePlugin +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + hopper, +) -class TestFileSgi(PillowTestCase): - def test_rgb(self): - # Arrange - # Created with ImageMagick then renamed: - # convert hopper.ppm hopper.sgi - test_file = "Tests/images/hopper.rgb" +def test_rgb(): + # Created with ImageMagick then renamed: + # convert hopper.ppm -compress None sgi:hopper.rgb + test_file = "Tests/images/hopper.rgb" - # Act / Assert - self.assertRaises(ValueError, lambda: Image.open(test_file)) + with Image.open(test_file) as im: + assert_image_equal(im, hopper()) + assert im.get_format_mimetype() == "image/rgb" - def test_l(self): - # Arrange - # Created with ImageMagick then renamed: - # convert hopper.ppm -monochrome hopper.sgi - test_file = "Tests/images/hopper.bw" - # Act / Assert - self.assertRaises(ValueError, lambda: Image.open(test_file)) +def test_rgb16(): + assert_image_equal_tofile(hopper(), "Tests/images/hopper16.rgb") - def test_rgba(self): - # Arrange - # Created with ImageMagick: - # convert transparent.png transparent.sgi - test_file = "Tests/images/transparent.sgi" - # Act / Assert - self.assertRaises(ValueError, lambda: Image.open(test_file)) +def test_l(): + # Created with ImageMagick + # convert hopper.ppm -monochrome -compress None sgi:hopper.bw + test_file = "Tests/images/hopper.bw" - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" + with Image.open(test_file) as im: + assert_image_similar(im, hopper("L"), 2) + assert im.get_format_mimetype() == "image/sgi" - self.assertRaises(ValueError, - lambda: - SgiImagePlugin.SgiImageFile(invalid_file)) +def test_rgba(): + # Created with ImageMagick: + # convert transparent.png -compress None transparent.sgi + test_file = "Tests/images/transparent.sgi" -if __name__ == '__main__': - unittest.main() + with Image.open(test_file) as im: + assert_image_equal_tofile(im, "Tests/images/transparent.png") + assert im.get_format_mimetype() == "image/sgi" + + +def test_rle(): + # Created with ImageMagick: + # convert hopper.ppm hopper.sgi + test_file = "Tests/images/hopper.sgi" + + with Image.open(test_file) as im: + assert_image_equal_tofile(im, "Tests/images/hopper.rgb") + + +def test_rle16(): + test_file = "Tests/images/tv16.sgi" + + with Image.open(test_file) as im: + assert_image_equal_tofile(im, "Tests/images/tv.rgb") + + +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" + + with pytest.raises(ValueError): + SgiImagePlugin.SgiImageFile(invalid_file) + + +def test_write(tmp_path): + def roundtrip(img): + out = str(tmp_path / "temp.sgi") + img.save(out, format="sgi") + assert_image_equal_tofile(img, out) + + out = str(tmp_path / "fp.sgi") + with open(out, "wb") as fp: + img.save(fp) + assert_image_equal_tofile(img, out) + + assert not fp.closed + + for mode in ("L", "RGB", "RGBA"): + roundtrip(hopper(mode)) + + # Test 1 dimension for an L mode image + roundtrip(Image.new("L", (10, 1))) + + +def test_write16(tmp_path): + test_file = "Tests/images/hopper16.rgb" + + with Image.open(test_file) as im: + out = str(tmp_path / "temp.sgi") + im.save(out, format="sgi", bpc=2) + + assert_image_equal_tofile(im, out) + + +def test_unsupported_mode(tmp_path): + im = hopper("LA") + out = str(tmp_path / "temp.sgi") + + with pytest.raises(ValueError): + im.save(out, format="sgi") diff --git a/Tests/test_file_spider.py b/Tests/test_file_spider.py index 96f82054e2f..3c93160f11d 100644 --- a/Tests/test_file_spider.py +++ b/Tests/test_file_spider.py @@ -1,102 +1,163 @@ -from helper import unittest, PillowTestCase, hopper +import tempfile +from io import BytesIO -from PIL import Image -from PIL import ImageSequence -from PIL import SpiderImagePlugin +import pytest + +from PIL import Image, ImageSequence, SpiderImagePlugin + +from .helper import assert_image_equal_tofile, hopper, is_pypy TEST_FILE = "Tests/images/hopper.spider" -class TestImageSpider(PillowTestCase): +def test_sanity(): + with Image.open(TEST_FILE) as im: + im.load() + assert im.mode == "F" + assert im.size == (128, 128) + assert im.format == "SPIDER" - def test_sanity(self): + +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): im = Image.open(TEST_FILE) im.load() - self.assertEqual(im.mode, "F") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "SPIDER") - def test_save(self): - # Arrange - temp = self.tempfile('temp.spider') - im = hopper() + pytest.warns(ResourceWarning, open) - # Act - im.save(temp, "SPIDER") + +def test_closed_file(): + with pytest.warns(None) as record: + im = Image.open(TEST_FILE) + im.load() + im.close() + + assert not record + + +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(TEST_FILE) as im: + im.load() + + assert not record + + +def test_save(tmp_path): + # Arrange + temp = str(tmp_path / "temp.spider") + im = hopper() + + # Act + im.save(temp, "SPIDER") + + # Assert + with Image.open(temp) as im2: + assert im2.mode == "F" + assert im2.size == (128, 128) + assert im2.format == "SPIDER" + + +def test_tempfile(): + # Arrange + im = hopper() + + # Act + with tempfile.TemporaryFile() as fp: + im.save(fp, "SPIDER") # Assert - im2 = Image.open(temp) - self.assertEqual(im2.mode, "F") - self.assertEqual(im2.size, (128, 128)) - self.assertEqual(im2.format, "SPIDER") + fp.seek(0) + with Image.open(fp) as reloaded: + assert reloaded.mode == "F" + assert reloaded.size == (128, 128) + assert reloaded.format == "SPIDER" - def test_isSpiderImage(self): - self.assertTrue(SpiderImagePlugin.isSpiderImage(TEST_FILE)) - def test_tell(self): - # Arrange - im = Image.open(TEST_FILE) +def test_is_spider_image(): + assert SpiderImagePlugin.isSpiderImage(TEST_FILE) + + +def test_tell(): + # Arrange + with Image.open(TEST_FILE) as im: # Act index = im.tell() # Assert - self.assertEqual(index, 0) + assert index == 0 - def test_n_frames(self): - im = Image.open(TEST_FILE) - self.assertEqual(im.n_frames, 1) - self.assertFalse(im.is_animated) - def test_loadImageSeries(self): - # Arrange - not_spider_file = "Tests/images/hopper.ppm" - file_list = [TEST_FILE, not_spider_file, "path/not_found.ext"] +def test_n_frames(): + with Image.open(TEST_FILE) as im: + assert im.n_frames == 1 + assert not im.is_animated - # Act - img_list = SpiderImagePlugin.loadImageSeries(file_list) - # Assert - self.assertEqual(len(img_list), 1) - self.assertIsInstance(img_list[0], Image.Image) - self.assertEqual(img_list[0].size, (128, 128)) +def test_load_image_series(): + # Arrange + not_spider_file = "Tests/images/hopper.ppm" + file_list = [TEST_FILE, not_spider_file, "path/not_found.ext"] - def test_loadImageSeries_no_input(self): - # Arrange - file_list = None + # Act + img_list = SpiderImagePlugin.loadImageSeries(file_list) - # Act - img_list = SpiderImagePlugin.loadImageSeries(file_list) + # Assert + assert len(img_list) == 1 + assert isinstance(img_list[0], Image.Image) + assert img_list[0].size == (128, 128) - # Assert - self.assertEqual(img_list, None) - def test_isInt_not_a_number(self): - # Arrange - not_a_number = "a" +def test_load_image_series_no_input(): + # Arrange + file_list = None - # Act - ret = SpiderImagePlugin.isInt(not_a_number) + # Act + img_list = SpiderImagePlugin.loadImageSeries(file_list) - # Assert - self.assertEqual(ret, 0) + # Assert + assert img_list is None - def test_invalid_file(self): - invalid_file = "Tests/images/invalid.spider" - self.assertRaises(IOError, lambda: Image.open(invalid_file)) +def test_is_int_not_a_number(): + # Arrange + not_a_number = "a" - def test_nonstack_file(self): - im = Image.open(TEST_FILE) + # Act + ret = SpiderImagePlugin.isInt(not_a_number) - self.assertRaises(EOFError, lambda: im.seek(0)) + # Assert + assert ret == 0 - def test_nonstack_dos(self): - im = Image.open(TEST_FILE) + +def test_invalid_file(): + invalid_file = "Tests/images/invalid.spider" + + with pytest.raises(OSError): + with Image.open(invalid_file): + pass + + +def test_nonstack_file(): + with Image.open(TEST_FILE) as im: + with pytest.raises(EOFError): + im.seek(0) + + +def test_nonstack_dos(): + with Image.open(TEST_FILE) as im: for i, frame in enumerate(ImageSequence.Iterator(im)): - if i > 1: - self.fail("Non-stack DOS file test failed") + assert i <= 1, "Non-stack DOS file test failed" + +# for issue #4093 +def test_odd_size(): + data = BytesIO() + width = 100 + im = Image.new("F", (width, 64)) + im.save(data, format="SPIDER") -if __name__ == '__main__': - unittest.main() + data.seek(0) + assert_image_equal_tofile(im, data) diff --git a/Tests/test_file_sun.py b/Tests/test_file_sun.py index 003740c5b31..05c78c3161b 100644 --- a/Tests/test_file_sun.py +++ b/Tests/test_file_sun.py @@ -1,25 +1,48 @@ -from helper import unittest, PillowTestCase +import os -from PIL import Image, SunImagePlugin +import pytest +from PIL import Image, SunImagePlugin -class TestFileSun(PillowTestCase): +from .helper import assert_image_equal_tofile, assert_image_similar, hopper - def test_sanity(self): - # Arrange - # Created with ImageMagick: convert hopper.jpg hopper.ras - test_file = "Tests/images/hopper.ras" +EXTRA_DIR = "Tests/images/sunraster" - # Act - im = Image.open(test_file) - # Assert - self.assertEqual(im.size, (128, 128)) +def test_sanity(): + # Arrange + # Created with ImageMagick: convert hopper.jpg hopper.ras + test_file = "Tests/images/hopper.ras" - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: SunImagePlugin.SunImageFile(invalid_file)) + # Act + with Image.open(test_file) as im: - -if __name__ == '__main__': - unittest.main() + # Assert + assert im.size == (128, 128) + + assert_image_similar(im, hopper(), 5) # visually verified + + invalid_file = "Tests/images/flower.jpg" + with pytest.raises(SyntaxError): + SunImagePlugin.SunImageFile(invalid_file) + + +def test_im1(): + with Image.open("Tests/images/sunraster.im1") as im: + assert_image_equal_tofile(im, "Tests/images/sunraster.im1.png") + + +@pytest.mark.skipif( + not os.path.exists(EXTRA_DIR), reason="Extra image files not installed" +) +def test_others(): + files = ( + os.path.join(EXTRA_DIR, f) + for f in os.listdir(EXTRA_DIR) + if os.path.splitext(f)[1] in (".sun", ".SUN", ".ras") + ) + for path in files: + with Image.open(path) as im: + im.load() + assert isinstance(im, SunImagePlugin.SunImageFile) + assert_image_equal_tofile(im, f"{os.path.splitext(path)[0]}.png") diff --git a/Tests/test_file_tar.py b/Tests/test_file_tar.py index 3dd075042cc..b38727fb9b2 100644 --- a/Tests/test_file_tar.py +++ b/Tests/test_file_tar.py @@ -1,36 +1,46 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import Image, TarIO +from PIL import Image, TarIO, features -codecs = dir(Image.core) +from .helper import is_pypy # Sample tar archive TEST_TAR_FILE = "Tests/images/hopper.tar" -class TestFileTar(PillowTestCase): +def test_sanity(): + for codec, test_path, format in [ + ["zlib", "hopper.png", "PNG"], + ["jpg", "hopper.jpg", "JPEG"], + ]: + if features.check(codec): + with TarIO.TarIO(TEST_TAR_FILE, test_path) as tar: + with Image.open(tar) as im: + im.load() + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == format - def setUp(self): - if "zip_decoder" not in codecs and "jpeg_decoder" not in codecs: - self.skipTest("neither jpeg nor zip support not available") - def test_sanity(self): - if "zip_decoder" in codecs: - tar = TarIO.TarIO(TEST_TAR_FILE, 'hopper.png') - im = Image.open(tar) - im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "PNG") +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): + TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg") - if "jpeg_decoder" in codecs: - tar = TarIO.TarIO(TEST_TAR_FILE, 'hopper.jpg') - im = Image.open(tar) - im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "JPEG") + pytest.warns(ResourceWarning, open) -if __name__ == '__main__': - unittest.main() +def test_close(): + with pytest.warns(None) as record: + tar = TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg") + tar.close() + + assert not record + + +def test_contextmanager(): + with pytest.warns(None) as record: + with TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg"): + pass + + assert not record diff --git a/Tests/test_file_tga.py b/Tests/test_file_tga.py index ef3acfe6549..e2351d72362 100644 --- a/Tests/test_file_tga.py +++ b/Tests/test_file_tga.py @@ -1,68 +1,232 @@ -from helper import unittest, PillowTestCase +import os +from glob import glob +from itertools import product + +import pytest from PIL import Image +from .helper import assert_image_equal, assert_image_equal_tofile, hopper + +_TGA_DIR = os.path.join("Tests", "images", "tga") +_TGA_DIR_COMMON = os.path.join(_TGA_DIR, "common") + + +_MODES = ("L", "LA", "P", "RGB", "RGBA") +_ORIGINS = ("tl", "bl") + +_ORIGIN_TO_ORIENTATION = {"tl": 1, "bl": -1} + + +def test_sanity(tmp_path): + for mode in _MODES: + + def roundtrip(original_im): + out = str(tmp_path / "temp.tga") + + original_im.save(out, rle=rle) + with Image.open(out) as saved_im: + if rle: + assert ( + saved_im.info["compression"] == original_im.info["compression"] + ) + assert saved_im.info["orientation"] == original_im.info["orientation"] + if mode == "P": + assert saved_im.getpalette() == original_im.getpalette() + + assert_image_equal(saved_im, original_im) + + png_paths = glob(os.path.join(_TGA_DIR_COMMON, f"*x*_{mode.lower()}.png")) + + for png_path in png_paths: + with Image.open(png_path) as reference_im: + assert reference_im.mode == mode -class TestFileTga(PillowTestCase): + path_no_ext = os.path.splitext(png_path)[0] + for origin, rle in product(_ORIGINS, (True, False)): + tga_path = "{}_{}_{}.tga".format( + path_no_ext, origin, "rle" if rle else "raw" + ) - def test_id_field(self): - # tga file with id field - test_file = "Tests/images/tga_id_field.tga" + with Image.open(tga_path) as original_im: + assert original_im.format == "TGA" + assert original_im.get_format_mimetype() == "image/x-tga" + if rle: + assert original_im.info["compression"] == "tga_rle" + assert ( + original_im.info["orientation"] + == _ORIGIN_TO_ORIENTATION[origin] + ) + if mode == "P": + assert original_im.getpalette() == reference_im.getpalette() - # Act - im = Image.open(test_file) + assert_image_equal(original_im, reference_im) + + roundtrip(original_im) + + +def test_palette_depth_16(tmp_path): + with Image.open("Tests/images/p_16.tga") as im: + assert_image_equal_tofile(im.convert("RGB"), "Tests/images/p_16.png") + + out = str(tmp_path / "temp.png") + im.save(out) + with Image.open(out) as reloaded: + assert_image_equal_tofile(reloaded.convert("RGB"), "Tests/images/p_16.png") + + +def test_id_field(): + # tga file with id field + test_file = "Tests/images/tga_id_field.tga" + + # Act + with Image.open(test_file) as im: # Assert - self.assertEqual(im.size, (100, 100)) + assert im.size == (100, 100) + - def test_id_field_rle(self): - # tga file with id field - test_file = "Tests/images/rgb32rle.tga" +def test_id_field_rle(): + # tga file with id field + test_file = "Tests/images/rgb32rle.tga" - # Act - im = Image.open(test_file) + # Act + with Image.open(test_file) as im: # Assert - self.assertEqual(im.size, (199, 199)) + assert im.size == (199, 199) - def test_save(self): - test_file = "Tests/images/tga_id_field.tga" - im = Image.open(test_file) - test_file = self.tempfile("temp.tga") +def test_save(tmp_path): + test_file = "Tests/images/tga_id_field.tga" + with Image.open(test_file) as im: + out = str(tmp_path / "temp.tga") # Save - im.save(test_file) - test_im = Image.open(test_file) - self.assertEqual(test_im.size, (100, 100)) + im.save(out) + with Image.open(out) as test_im: + assert test_im.size == (100, 100) + assert test_im.info["id_section"] == im.info["id_section"] # RGBA save - im.convert("RGBA").save(test_file) - test_im = Image.open(test_file) - self.assertEqual(test_im.size, (100, 100)) + im.convert("RGBA").save(out) + with Image.open(out) as test_im: + assert test_im.size == (100, 100) + + +def test_save_wrong_mode(tmp_path): + im = hopper("PA") + out = str(tmp_path / "temp.tga") + + with pytest.raises(OSError): + im.save(out) - # Unsupported mode save - self.assertRaises(IOError, lambda: im.convert("LA").save(test_file)) - def test_save_rle(self): - test_file = "Tests/images/rgb32rle.tga" - im = Image.open(test_file) +def test_save_mapdepth(): + # This image has been manually hexedited from 200x32_p_bl_raw.tga + # to include an origin + test_file = "Tests/images/200x32_p_bl_raw_origin.tga" + with Image.open(test_file) as im: + assert_image_equal_tofile(im, "Tests/images/tga/common/200x32_p.png") - test_file = self.tempfile("temp.tga") + +def test_save_id_section(tmp_path): + test_file = "Tests/images/rgb32rle.tga" + with Image.open(test_file) as im: + out = str(tmp_path / "temp.tga") + + # Check there is no id section + im.save(out) + with Image.open(out) as test_im: + assert "id_section" not in test_im.info + + # Save with custom id section + im.save(out, id_section=b"Test content") + with Image.open(out) as test_im: + assert test_im.info["id_section"] == b"Test content" + + # Save with custom id section greater than 255 characters + id_section = b"Test content" * 25 + pytest.warns(UserWarning, lambda: im.save(out, id_section=id_section)) + with Image.open(out) as test_im: + assert test_im.info["id_section"] == id_section[:255] + + test_file = "Tests/images/tga_id_field.tga" + with Image.open(test_file) as im: + + # Save with no id section + im.save(out, id_section="") + with Image.open(out) as test_im: + assert "id_section" not in test_im.info + + +def test_save_orientation(tmp_path): + test_file = "Tests/images/rgb32rle.tga" + out = str(tmp_path / "temp.tga") + with Image.open(test_file) as im: + assert im.info["orientation"] == -1 + + im.save(out, orientation=1) + with Image.open(out) as test_im: + assert test_im.info["orientation"] == 1 + + +def test_horizontal_orientations(): + # These images have been manually hexedited to have the relevant orientations + with Image.open("Tests/images/rgb32rle_top_right.tga") as im: + assert im.load()[90, 90][:3] == (0, 0, 0) + + with Image.open("Tests/images/rgb32rle_bottom_right.tga") as im: + assert im.load()[90, 90][:3] == (0, 255, 0) + + +def test_save_rle(tmp_path): + test_file = "Tests/images/rgb32rle.tga" + with Image.open(test_file) as im: + assert im.info["compression"] == "tga_rle" + + out = str(tmp_path / "temp.tga") # Save - im.save(test_file) - test_im = Image.open(test_file) - self.assertEqual(test_im.size, (199, 199)) + im.save(out) + with Image.open(out) as test_im: + assert test_im.size == (199, 199) + assert test_im.info["compression"] == "tga_rle" - # RGBA save - im.convert("RGBA").save(test_file) - test_im = Image.open(test_file) - self.assertEqual(test_im.size, (199, 199)) + # Save without compression + im.save(out, compression=None) + with Image.open(out) as test_im: + assert "compression" not in test_im.info + + # RGBA save + im.convert("RGBA").save(out) + with Image.open(out) as test_im: + assert test_im.size == (199, 199) + + test_file = "Tests/images/tga_id_field.tga" + with Image.open(test_file) as im: + assert "compression" not in im.info + + # Save with compression + im.save(out, compression="tga_rle") + with Image.open(out) as test_im: + assert test_im.info["compression"] == "tga_rle" + + +def test_save_l_transparency(tmp_path): + # There are 559 transparent pixels in la.tga. + num_transparent = 559 + + in_file = "Tests/images/la.tga" + with Image.open(in_file) as im: + assert im.mode == "LA" + assert im.getchannel("A").getcolors()[0][0] == num_transparent - # Unsupported mode save - self.assertRaises(IOError, lambda: im.convert("LA").save(test_file)) + out = str(tmp_path / "temp.tga") + im.save(out) + with Image.open(out) as test_im: + assert test_im.mode == "LA" + assert test_im.getchannel("A").getcolors()[0][0] == num_transparent -if __name__ == '__main__': - unittest.main() + assert_image_equal(im, test_im) diff --git a/Tests/test_file_tiff.py b/Tests/test_file_tiff.py index ad7fad7c89b..5801e176636 100644 --- a/Tests/test_file_tiff.py +++ b/Tests/test_file_tiff.py @@ -1,353 +1,513 @@ -from __future__ import print_function -import logging +import os from io import BytesIO -import struct -from helper import unittest, PillowTestCase, hopper, py3 +import pytest -from PIL import Image, TiffImagePlugin +from PIL import Image, ImageFile, TiffImagePlugin +from PIL.TiffImagePlugin import RESOLUTION_UNIT, X_RESOLUTION, Y_RESOLUTION -logger = logging.getLogger(__name__) +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + assert_image_similar_tofile, + hopper, + is_pypy, + is_win32, +) +try: + import defusedxml.ElementTree as ElementTree +except ImportError: + ElementTree = None -class TestFileTiff(PillowTestCase): - def test_sanity(self): +class TestFileTiff: + def test_sanity(self, tmp_path): - filename = self.tempfile("temp.tif") + filename = str(tmp_path / "temp.tif") hopper("RGB").save(filename) - im = Image.open(filename) - im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "TIFF") + with Image.open(filename) as im: + im.load() + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "TIFF" hopper("1").save(filename) - im = Image.open(filename) + with Image.open(filename): + pass hopper("L").save(filename) - im = Image.open(filename) + with Image.open(filename): + pass hopper("P").save(filename) - im = Image.open(filename) + with Image.open(filename): + pass hopper("RGB").save(filename) - im = Image.open(filename) + with Image.open(filename): + pass hopper("I").save(filename) - im = Image.open(filename) + with Image.open(filename): + pass - def test_mac_tiff(self): - # Read RGBa images from macOS [@PIL136] + @pytest.mark.skipif(is_pypy(), reason="Requires CPython") + def test_unclosed_file(self): + def open(): + im = Image.open("Tests/images/multipage.tiff") + im.load() - filename = "Tests/images/pil136.tiff" - im = Image.open(filename) + pytest.warns(ResourceWarning, open) - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (55, 43)) - self.assertEqual(im.tile, [('raw', (0, 0, 55, 43), 8, ('RGBa', 0, 1))]) - im.load() + def test_closed_file(self): + with pytest.warns(None) as record: + im = Image.open("Tests/images/multipage.tiff") + im.load() + im.close() - def test_gimp_tiff(self): - # Read TIFF JPEG images from GIMP [@PIL168] + assert not record - codecs = dir(Image.core) - if "jpeg_decoder" not in codecs: - self.skipTest("jpeg support not available") + def test_context_manager(self): + with pytest.warns(None) as record: + with Image.open("Tests/images/multipage.tiff") as im: + im.load() - filename = "Tests/images/pil168.tif" - im = Image.open(filename) - - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (256, 256)) - self.assertEqual( - im.tile, [ - ('jpeg', (0, 0, 256, 64), 8, ('RGB', '')), - ('jpeg', (0, 64, 256, 128), 1215, ('RGB', '')), - ('jpeg', (0, 128, 256, 192), 2550, ('RGB', '')), - ('jpeg', (0, 192, 256, 256), 3890, ('RGB', '')), - ]) - im.load() + assert not record - def test_sampleformat(self): - # https://github.com/python-pillow/Pillow/issues/1466 - im = Image.open("Tests/images/copyleft.tiff") - self.assertEqual(im.mode, 'RGB') + def test_mac_tiff(self): + # Read RGBa images from macOS [@PIL136] + + filename = "Tests/images/pil136.tiff" + with Image.open(filename) as im: + assert im.mode == "RGBA" + assert im.size == (55, 43) + assert im.tile == [("raw", (0, 0, 55, 43), 8, ("RGBa", 0, 1))] + im.load() + + assert_image_similar_tofile(im, "Tests/images/pil136.png", 1) + + def test_wrong_bits_per_sample(self): + with Image.open("Tests/images/tiff_wrong_bits_per_sample.tiff") as im: + assert im.mode == "RGBA" + assert im.size == (52, 53) + assert im.tile == [("raw", (0, 0, 52, 53), 160, ("RGBA", 0, 1))] + im.load() + + def test_set_legacy_api(self): + ifd = TiffImagePlugin.ImageFileDirectory_v2() + with pytest.raises(Exception) as e: + ifd.legacy_api = None + assert str(e.value) == "Not allowing setting of legacy api" def test_xyres_tiff(self): - from PIL.TiffImagePlugin import X_RESOLUTION, Y_RESOLUTION filename = "Tests/images/pil168.tif" - im = Image.open(filename) + with Image.open(filename) as im: + + # legacy api + assert isinstance(im.tag[X_RESOLUTION][0], tuple) + assert isinstance(im.tag[Y_RESOLUTION][0], tuple) - # legacy api - self.assertIsInstance(im.tag[X_RESOLUTION][0], tuple) - self.assertIsInstance(im.tag[Y_RESOLUTION][0], tuple) + # v2 api + assert isinstance(im.tag_v2[X_RESOLUTION], TiffImagePlugin.IFDRational) + assert isinstance(im.tag_v2[Y_RESOLUTION], TiffImagePlugin.IFDRational) - # v2 api - self.assertIsInstance(im.tag_v2[X_RESOLUTION], - TiffImagePlugin.IFDRational) - self.assertIsInstance(im.tag_v2[Y_RESOLUTION], - TiffImagePlugin.IFDRational) + assert im.info["dpi"] == (72.0, 72.0) - self.assertEqual(im.info['dpi'], (72., 72.)) + def test_xyres_fallback_tiff(self): + filename = "Tests/images/compression.tif" + with Image.open(filename) as im: + + # v2 api + assert isinstance(im.tag_v2[X_RESOLUTION], TiffImagePlugin.IFDRational) + assert isinstance(im.tag_v2[Y_RESOLUTION], TiffImagePlugin.IFDRational) + with pytest.raises(KeyError): + im.tag_v2[RESOLUTION_UNIT] + + # Legacy. + assert im.info["resolution"] == (100.0, 100.0) + # Fallback "inch". + assert im.info["dpi"] == (100.0, 100.0) def test_int_resolution(self): - from PIL.TiffImagePlugin import X_RESOLUTION, Y_RESOLUTION filename = "Tests/images/pil168.tif" - im = Image.open(filename) - - # Try to read a file where X,Y_RESOLUTION are ints - im.tag_v2[X_RESOLUTION] = 71 - im.tag_v2[Y_RESOLUTION] = 71 - im._setup() - self.assertEqual(im.info['dpi'], (71., 71.)) + with Image.open(filename) as im: + + # Try to read a file where X,Y_RESOLUTION are ints + im.tag_v2[X_RESOLUTION] = 71 + im.tag_v2[Y_RESOLUTION] = 71 + im._setup() + assert im.info["dpi"] == (71.0, 71.0) + + @pytest.mark.parametrize( + "resolutionUnit, dpi", + [(None, 72.8), (2, 72.8), (3, 184.912)], + ) + def test_load_float_dpi(self, resolutionUnit, dpi): + with Image.open( + "Tests/images/hopper_float_dpi_" + str(resolutionUnit) + ".tif" + ) as im: + assert im.tag_v2.get(RESOLUTION_UNIT) == resolutionUnit + assert im.info["dpi"] == (dpi, dpi) + + def test_save_float_dpi(self, tmp_path): + outfile = str(tmp_path / "temp.tif") + with Image.open("Tests/images/hopper.tif") as im: + dpi = (72.2, 72.2) + im.save(outfile, dpi=dpi) + + with Image.open(outfile) as reloaded: + assert reloaded.info["dpi"] == dpi def test_save_setting_missing_resolution(self): - from PIL.TiffImagePlugin import X_RESOLUTION, Y_RESOLUTION b = BytesIO() - Image.open("Tests/images/10ct_32bit_128.tiff").save( - b, format="tiff", resolution=123.45) - im = Image.open(b) - self.assertEqual(float(im.tag_v2[X_RESOLUTION]), 123.45) - self.assertEqual(float(im.tag_v2[Y_RESOLUTION]), 123.45) + with Image.open("Tests/images/10ct_32bit_128.tiff") as im: + im.save(b, format="tiff", resolution=123.45) + with Image.open(b) as im: + assert im.tag_v2[X_RESOLUTION] == 123.45 + assert im.tag_v2[Y_RESOLUTION] == 123.45 def test_invalid_file(self): invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: TiffImagePlugin.TiffImageFile(invalid_file)) + with pytest.raises(SyntaxError): + TiffImagePlugin.TiffImageFile(invalid_file) - TiffImagePlugin.PREFIXES.append("\xff\xd8\xff\xe0") - self.assertRaises(SyntaxError, - lambda: TiffImagePlugin.TiffImageFile(invalid_file)) + TiffImagePlugin.PREFIXES.append(b"\xff\xd8\xff\xe0") + with pytest.raises(SyntaxError): + TiffImagePlugin.TiffImageFile(invalid_file) TiffImagePlugin.PREFIXES.pop() def test_bad_exif(self): - i = Image.open('Tests/images/hopper_bad_exif.jpg') - try: - self.assert_warning(UserWarning, i._getexif) - except struct.error: - self.fail( - "Bad EXIF data passed incorrect values to _binary unpack") - - def test_save_rgba(self): + with Image.open("Tests/images/hopper_bad_exif.jpg") as i: + # Should not raise struct.error. + pytest.warns(UserWarning, i._getexif) + + def test_save_rgba(self, tmp_path): im = hopper("RGBA") - outfile = self.tempfile("temp.tif") + outfile = str(tmp_path / "temp.tif") im.save(outfile) - def test_save_unsupported_mode(self): + def test_save_unsupported_mode(self, tmp_path): im = hopper("HSV") - outfile = self.tempfile("temp.tif") - self.assertRaises(IOError, lambda: im.save(outfile)) + outfile = str(tmp_path / "temp.tif") + with pytest.raises(OSError): + im.save(outfile) def test_little_endian(self): - im = Image.open('Tests/images/16bit.cropped.tif') - self.assertEqual(im.getpixel((0, 0)), 480) - self.assertEqual(im.mode, 'I;16') + with Image.open("Tests/images/16bit.cropped.tif") as im: + assert im.getpixel((0, 0)) == 480 + assert im.mode == "I;16" - b = im.tobytes() + b = im.tobytes() # Bytes are in image native order (little endian) - if py3: - self.assertEqual(b[0], ord(b'\xe0')) - self.assertEqual(b[1], ord(b'\x01')) - else: - self.assertEqual(b[0], b'\xe0') - self.assertEqual(b[1], b'\x01') + assert b[0] == ord(b"\xe0") + assert b[1] == ord(b"\x01") def test_big_endian(self): - im = Image.open('Tests/images/16bit.MM.cropped.tif') - self.assertEqual(im.getpixel((0, 0)), 480) - self.assertEqual(im.mode, 'I;16B') - - b = im.tobytes() + with Image.open("Tests/images/16bit.MM.cropped.tif") as im: + assert im.getpixel((0, 0)) == 480 + assert im.mode == "I;16B" + b = im.tobytes() # Bytes are in image native order (big endian) - if py3: - self.assertEqual(b[0], ord(b'\x01')) - self.assertEqual(b[1], ord(b'\xe0')) - else: - self.assertEqual(b[0], b'\x01') - self.assertEqual(b[1], b'\xe0') - - def test_12bit_rawmode(self): - """ Are we generating the same interpretation - of the image as Imagemagick is? """ - - im = Image.open('Tests/images/12bit.cropped.tif') + assert b[0] == ord(b"\x01") + assert b[1] == ord(b"\xe0") - # to make the target -- - # convert 12bit.cropped.tif -depth 16 tmp.tif - # convert tmp.tif -evaluate RightShift 4 12in16bit2.tif - # imagemagick will auto scale so that a 12bit FFF is 16bit FFF0, - # so we need to unshift so that the integer values are the same. + def test_16bit_s(self): + with Image.open("Tests/images/16bit.s.tif") as im: + im.load() + assert im.mode == "I" + assert im.getpixel((0, 0)) == 32767 + assert im.getpixel((0, 1)) == 0 - im2 = Image.open('Tests/images/12in16bit.tif') + def test_12bit_rawmode(self): + """Are we generating the same interpretation + of the image as Imagemagick is?""" - logger.debug("%s", [img.getpixel((0, idx)) - for img in [im, im2] for idx in range(3)]) + with Image.open("Tests/images/12bit.cropped.tif") as im: + # to make the target -- + # convert 12bit.cropped.tif -depth 16 tmp.tif + # convert tmp.tif -evaluate RightShift 4 12in16bit2.tif + # imagemagick will auto scale so that a 12bit FFF is 16bit FFF0, + # so we need to unshift so that the integer values are the same. - self.assert_image_equal(im, im2) + assert_image_equal_tofile(im, "Tests/images/12in16bit.tif") def test_32bit_float(self): # Issue 614, specific 32-bit float format - path = 'Tests/images/10ct_32bit_128.tiff' - im = Image.open(path) - im.load() + path = "Tests/images/10ct_32bit_128.tiff" + with Image.open(path) as im: + im.load() - self.assertEqual(im.getpixel((0, 0)), -0.4526388943195343) - self.assertEqual( - im.getextrema(), (-3.140936851501465, 3.140684127807617)) + assert im.getpixel((0, 0)) == -0.4526388943195343 + assert im.getextrema() == (-3.140936851501465, 3.140684127807617) - def test_n_frames(self): - im = Image.open('Tests/images/multipage-lastframe.tif') - self.assertEqual(im.n_frames, 1) - self.assertFalse(im.is_animated) + def test_unknown_pixel_mode(self): + with pytest.raises(OSError): + with Image.open("Tests/images/hopper_unknown_pixel_mode.tif"): + pass - im = Image.open('Tests/images/multipage.tiff') - self.assertEqual(im.n_frames, 3) - self.assertTrue(im.is_animated) + def test_n_frames(self): + for path, n_frames in [ + ["Tests/images/multipage-lastframe.tif", 1], + ["Tests/images/multipage.tiff", 3], + ]: + with Image.open(path) as im: + assert im.n_frames == n_frames + assert im.is_animated == (n_frames != 1) def test_eoferror(self): - im = Image.open('Tests/images/multipage-lastframe.tif') + with Image.open("Tests/images/multipage-lastframe.tif") as im: + n_frames = im.n_frames - n_frames = im.n_frames - while True: - n_frames -= 1 - try: + # Test seeking past the last frame + with pytest.raises(EOFError): im.seek(n_frames) - break - except EOFError: - self.assertTrue(im.tell() < n_frames) + assert im.tell() < n_frames + + # Test that seeking to the last frame does not raise an error + im.seek(n_frames - 1) def test_multipage(self): # issue #862 - im = Image.open('Tests/images/multipage.tiff') - # file is a multipage tiff: 10x10 green, 10x10 red, 20x20 blue + with Image.open("Tests/images/multipage.tiff") as im: + # file is a multipage tiff: 10x10 green, 10x10 red, 20x20 blue - im.seek(0) - self.assertEqual(im.size, (10, 10)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 128, 0)) + im.seek(0) + assert im.size == (10, 10) + assert im.convert("RGB").getpixel((0, 0)) == (0, 128, 0) - im.seek(1) - im.load() - self.assertEqual(im.size, (10, 10)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (255, 0, 0)) + im.seek(1) + im.load() + assert im.size == (10, 10) + assert im.convert("RGB").getpixel((0, 0)) == (255, 0, 0) - im.seek(2) - im.load() - self.assertEqual(im.size, (20, 20)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 0, 255)) + im.seek(0) + im.load() + assert im.size == (10, 10) + assert im.convert("RGB").getpixel((0, 0)) == (0, 128, 0) + + im.seek(2) + im.load() + assert im.size == (20, 20) + assert im.convert("RGB").getpixel((0, 0)) == (0, 0, 255) def test_multipage_last_frame(self): - im = Image.open('Tests/images/multipage-lastframe.tif') - im.load() - self.assertEqual(im.size, (20, 20)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 0, 255)) + with Image.open("Tests/images/multipage-lastframe.tif") as im: + im.load() + assert im.size == (20, 20) + assert im.convert("RGB").getpixel((0, 0)) == (0, 0, 255) - def test___str__(self): - filename = "Tests/images/pil136.tiff" - im = Image.open(filename) + def test_frame_order(self): + # A frame can't progress to itself after reading + with Image.open("Tests/images/multipage_single_frame_loop.tiff") as im: + assert im.n_frames == 1 - # Act - ret = str(im.ifd) + # A frame can't progress to a frame that has already been read + with Image.open("Tests/images/multipage_multiple_frame_loop.tiff") as im: + assert im.n_frames == 2 - # Assert - self.assertIsInstance(ret, str) + # Frames don't have to be in sequence + with Image.open("Tests/images/multipage_out_of_order.tiff") as im: + assert im.n_frames == 3 - def test_as_dict_deprecation(self): - # Arrange + def test___str__(self): filename = "Tests/images/pil136.tiff" - im = Image.open(filename) + with Image.open(filename) as im: + + # Act + ret = str(im.ifd) - self.assert_warning(DeprecationWarning, im.tag_v2.as_dict) - self.assert_warning(DeprecationWarning, im.tag.as_dict) - self.assertEqual(dict(im.tag_v2), im.tag_v2.as_dict()) - self.assertEqual(dict(im.tag), im.tag.as_dict()) + # Assert + assert isinstance(ret, str) def test_dict(self): # Arrange filename = "Tests/images/pil136.tiff" - im = Image.open(filename) - - # v2 interface - v2_tags = {256: 55, 257: 43, 258: (8, 8, 8, 8), 259: 1, - 262: 2, 296: 2, 273: (8,), 338: (1,), 277: 4, - 279: (9460,), 282: 72.0, 283: 72.0, 284: 1} - self.assertEqual(dict(im.tag_v2), v2_tags) - - # legacy interface - legacy_tags = {256: (55,), 257: (43,), 258: (8, 8, 8, 8), 259: (1,), - 262: (2,), 296: (2,), 273: (8,), 338: (1,), 277: (4,), - 279: (9460,), 282: ((720000, 10000),), - 283: ((720000, 10000),), 284: (1,)} - self.assertEqual(dict(im.tag), legacy_tags) + with Image.open(filename) as im: + + # v2 interface + v2_tags = { + 256: 55, + 257: 43, + 258: (8, 8, 8, 8), + 259: 1, + 262: 2, + 296: 2, + 273: (8,), + 338: (1,), + 277: 4, + 279: (9460,), + 282: 72.0, + 283: 72.0, + 284: 1, + } + assert dict(im.tag_v2) == v2_tags + + # legacy interface + legacy_tags = { + 256: (55,), + 257: (43,), + 258: (8, 8, 8, 8), + 259: (1,), + 262: (2,), + 296: (2,), + 273: (8,), + 338: (1,), + 277: (4,), + 279: (9460,), + 282: ((720000, 10000),), + 283: ((720000, 10000),), + 284: (1,), + } + assert dict(im.tag) == legacy_tags def test__delitem__(self): filename = "Tests/images/pil136.tiff" - im = Image.open(filename) - len_before = len(dict(im.ifd)) - del im.ifd[256] - len_after = len(dict(im.ifd)) - self.assertEqual(len_before, len_after + 1) + with Image.open(filename) as im: + len_before = len(dict(im.ifd)) + del im.ifd[256] + len_after = len(dict(im.ifd)) + assert len_before == len_after + 1 def test_load_byte(self): for legacy_api in [False, True]: ifd = TiffImagePlugin.ImageFileDirectory_v2() data = b"abc" ret = ifd.load_byte(data, legacy_api) - self.assertEqual(ret, b"abc") + assert ret == b"abc" def test_load_string(self): ifd = TiffImagePlugin.ImageFileDirectory_v2() data = b"abc\0" ret = ifd.load_string(data, False) - self.assertEqual(ret, "abc") + assert ret == "abc" def test_load_float(self): ifd = TiffImagePlugin.ImageFileDirectory_v2() data = b"abcdabcd" ret = ifd.load_float(data, False) - self.assertEqual(ret, (1.6777999408082104e+22, 1.6777999408082104e+22)) + assert ret == (1.6777999408082104e22, 1.6777999408082104e22) def test_load_double(self): ifd = TiffImagePlugin.ImageFileDirectory_v2() data = b"abcdefghabcdefgh" ret = ifd.load_double(data, False) - self.assertEqual(ret, (8.540883223036124e+194, 8.540883223036124e+194)) + assert ret == (8.540883223036124e194, 8.540883223036124e194) + + def test_ifd_tag_type(self): + with Image.open("Tests/images/ifd_tag_type.tiff") as im: + assert 0x8825 in im.tag_v2 + + def test_exif(self, tmp_path): + def check_exif(exif): + assert sorted(exif.keys()) == [ + 256, + 257, + 258, + 259, + 262, + 271, + 272, + 273, + 277, + 278, + 279, + 282, + 283, + 284, + 296, + 297, + 305, + 339, + 700, + 34665, + 34853, + 50735, + ] + assert exif[256] == 640 + assert exif[271] == "FLIR" + + gps = exif.get_ifd(0x8825) + assert list(gps.keys()) == [0, 1, 2, 3, 4, 5, 6, 18] + assert gps[0] == b"\x03\x02\x00\x00" + assert gps[18] == "WGS-84" + + outfile = str(tmp_path / "temp.tif") + with Image.open("Tests/images/ifd_tag_type.tiff") as im: + exif = im.getexif() + check_exif(exif) + + im.save(outfile, exif=exif) + + outfile2 = str(tmp_path / "temp2.tif") + with Image.open(outfile) as im: + exif = im.getexif() + check_exif(exif) + + im.save(outfile2, exif=exif.tobytes()) + + with Image.open(outfile2) as im: + exif = im.getexif() + check_exif(exif) + + def test_exif_frames(self): + # Test that EXIF data can change across frames + with Image.open("Tests/images/g4-multi.tiff") as im: + assert im.getexif()[273] == (328, 815) + + im.seek(1) + assert im.getexif()[273] == (1408, 1907) + + @pytest.mark.parametrize("mode", ("1", "L")) + def test_photometric(self, mode, tmp_path): + filename = str(tmp_path / "temp.tif") + im = hopper(mode) + im.save(filename, tiffinfo={262: 0}) + with Image.open(filename) as reloaded: + assert reloaded.tag_v2[262] == 0 + assert_image_equal(im, reloaded) def test_seek(self): filename = "Tests/images/pil136.tiff" - im = Image.open(filename) - im.seek(-1) - self.assertEqual(im.tell(), 0) + with Image.open(filename) as im: + im.seek(0) + assert im.tell() == 0 def test_seek_eof(self): filename = "Tests/images/pil136.tiff" - im = Image.open(filename) - self.assertEqual(im.tell(), 0) - self.assertRaises(EOFError, lambda: im.seek(1)) + with Image.open(filename) as im: + assert im.tell() == 0 + with pytest.raises(EOFError): + im.seek(-1) + with pytest.raises(EOFError): + im.seek(1) def test__limit_rational_int(self): from PIL.TiffImagePlugin import _limit_rational + value = 34 ret = _limit_rational(value, 65536) - self.assertEqual(ret, (34, 1)) + assert ret == (34, 1) def test__limit_rational_float(self): from PIL.TiffImagePlugin import _limit_rational + value = 22.3 ret = _limit_rational(value, 65536) - self.assertEqual(ret, (223, 10)) + assert ret == (223, 10) def test_4bit(self): test_file = "Tests/images/hopper_gray_4bpp.tif" original = hopper("L") - im = Image.open(test_file) - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.mode, "L") - self.assert_image_similar(im, original, 7.3) + with Image.open(test_file) as im: + assert im.size == (128, 128) + assert im.mode == "L" + assert_image_similar(im, original, 7.3) def test_gray_semibyte_per_pixel(self): test_files = ( @@ -358,7 +518,7 @@ def test_gray_semibyte_per_pixel(self): "Tests/images/tiff_gray_2_4_bpp/hopper2I.tif", "Tests/images/tiff_gray_2_4_bpp/hopper2R.tif", "Tests/images/tiff_gray_2_4_bpp/hopper2IR.tif", - ) + ), ), ( 7.3, # epsilon @@ -367,137 +527,234 @@ def test_gray_semibyte_per_pixel(self): "Tests/images/tiff_gray_2_4_bpp/hopper4I.tif", "Tests/images/tiff_gray_2_4_bpp/hopper4R.tif", "Tests/images/tiff_gray_2_4_bpp/hopper4IR.tif", - ) + ), ), ) original = hopper("L") for epsilon, group in test_files: - im = Image.open(group[0]) - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.mode, "L") - self.assert_image_similar(im, original, epsilon) - for file in group[1:]: - im2 = Image.open(file) - self.assertEqual(im2.size, (128, 128)) - self.assertEqual(im2.mode, "L") - self.assert_image_equal(im, im2) - - def test_page_number_x_0(self): - # Issue 973 - # Test TIFF with tag 297 (Page Number) having value of 0 0. - # The first number is the current page number. - # The second is the total number of pages, zero means not available. - outfile = self.tempfile("temp.tif") - # Created by printing a page in Chrome to PDF, then: - # /usr/bin/gs -q -sDEVICE=tiffg3 -sOutputFile=total-pages-zero.tif - # -dNOPAUSE /tmp/test.pdf -c quit - infile = "Tests/images/total-pages-zero.tif" - im = Image.open(infile) - # Should not divide by zero - im.save(outfile) - - def test_with_underscores(self): - kwargs = {'resolution_unit': 'inch', - 'x_resolution': 72, - 'y_resolution': 36} - filename = self.tempfile("temp.tif") + with Image.open(group[0]) as im: + assert im.size == (128, 128) + assert im.mode == "L" + assert_image_similar(im, original, epsilon) + for file in group[1:]: + with Image.open(file) as im2: + assert im2.size == (128, 128) + assert im2.mode == "L" + assert_image_equal(im, im2) + + def test_with_underscores(self, tmp_path): + kwargs = {"resolution_unit": "inch", "x_resolution": 72, "y_resolution": 36} + filename = str(tmp_path / "temp.tif") hopper("RGB").save(filename, **kwargs) - from PIL.TiffImagePlugin import X_RESOLUTION, Y_RESOLUTION - im = Image.open(filename) - - # legacy interface - self.assertEqual(im.tag[X_RESOLUTION][0][0], 72) - self.assertEqual(im.tag[Y_RESOLUTION][0][0], 36) - - # v2 interface - self.assertEqual(im.tag_v2[X_RESOLUTION], 72) - self.assertEqual(im.tag_v2[Y_RESOLUTION], 36) - - def test_deprecation_warning_with_spaces(self): - kwargs = {'resolution unit': 'inch', - 'x resolution': 36, - 'y resolution': 72} - filename = self.tempfile("temp.tif") - self.assert_warning(DeprecationWarning, - lambda: hopper("RGB").save(filename, **kwargs)) - from PIL.TiffImagePlugin import X_RESOLUTION, Y_RESOLUTION - - im = Image.open(filename) - - # legacy interface - self.assertEqual(im.tag[X_RESOLUTION][0][0], 36) - self.assertEqual(im.tag[Y_RESOLUTION][0][0], 72) - - # v2 interface - self.assertEqual(im.tag_v2[X_RESOLUTION], 36) - self.assertEqual(im.tag_v2[Y_RESOLUTION], 72) - - def test_multipage_compression(self): - im = Image.open('Tests/images/compression.tif') - - im.seek(0) - self.assertEqual(im._compression, 'tiff_ccitt') - self.assertEqual(im.size, (10, 10)) - - im.seek(1) - self.assertEqual(im._compression, 'packbits') - self.assertEqual(im.size, (10, 10)) - im.load() + with Image.open(filename) as im: - im.seek(0) - self.assertEqual(im._compression, 'tiff_ccitt') - self.assertEqual(im.size, (10, 10)) - im.load() + # legacy interface + assert im.tag[X_RESOLUTION][0][0] == 72 + assert im.tag[Y_RESOLUTION][0][0] == 36 - def test_save_tiff_with_jpegtables(self): - # Arrange - outfile = self.tempfile("temp.tif") + # v2 interface + assert im.tag_v2[X_RESOLUTION] == 72 + assert im.tag_v2[Y_RESOLUTION] == 36 - # Created with ImageMagick: convert hopper.jpg hopper_jpg.tif - # Contains JPEGTables (347) tag - infile = "Tests/images/hopper_jpg.tif" - im = Image.open(infile) + def test_roundtrip_tiff_uint16(self, tmp_path): + # Test an image of all '0' values + pixel_value = 0x1234 + infile = "Tests/images/uint16_1_4660.tif" + with Image.open(infile) as im: + assert im.getpixel((0, 0)) == pixel_value - # Act / Assert - # Should not raise UnicodeDecodeError or anything else - im.save(outfile) + tmpfile = str(tmp_path / "temp.tif") + im.save(tmpfile) - def test_lzw(self): - # Act - im = Image.open("Tests/images/hopper_lzw.tif") + assert_image_equal_tofile(im, tmpfile) - # Assert - self.assertEqual(im.mode, 'RGB') - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "TIFF") - im2 = hopper() - self.assert_image_similar(im, im2, 5) + def test_strip_raw(self): + infile = "Tests/images/tiff_strip_raw.tif" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") - def test_roundtrip_tiff_uint16(self): - # Test an image of all '0' values - pixel_value = 0x1234 - infile = "Tests/images/uint16_1_4660.tif" - im = Image.open(infile) - self.assertEqual(im.getpixel((0, 0)), pixel_value) + def test_strip_planar_raw(self): + # gdal_translate -of GTiff -co INTERLEAVE=BAND \ + # tiff_strip_raw.tif tiff_strip_planar_raw.tiff + infile = "Tests/images/tiff_strip_planar_raw.tif" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") - tmpfile = self.tempfile("temp.tif") - im.save(tmpfile) + def test_strip_planar_raw_with_overviews(self): + # gdaladdo tiff_strip_planar_raw2.tif 2 4 8 16 + infile = "Tests/images/tiff_strip_planar_raw_with_overviews.tif" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") - reloaded = Image.open(tmpfile) + def test_tiled_planar_raw(self): + # gdal_translate -of GTiff -co TILED=YES -co BLOCKXSIZE=32 \ + # -co BLOCKYSIZE=32 -co INTERLEAVE=BAND \ + # tiff_tiled_raw.tif tiff_tiled_planar_raw.tiff + infile = "Tests/images/tiff_tiled_planar_raw.tif" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") - self.assert_image_equal(im, reloaded) + def test_palette(self, tmp_path): + def roundtrip(mode): + outfile = str(tmp_path / "temp.tif") - def test_tiff_save_all(self): - import io - import os + im = hopper(mode) + im.save(outfile) + + with Image.open(outfile) as reloaded: + assert_image_equal(im.convert("RGB"), reloaded.convert("RGB")) - mp = io.BytesIO() + for mode in ["P", "PA"]: + roundtrip(mode) + + def test_tiff_save_all(self): + mp = BytesIO() with Image.open("Tests/images/multipage.tiff") as im: im.save(mp, format="tiff", save_all=True) mp.seek(0, os.SEEK_SET) with Image.open(mp) as im: - self.assertEqual(im.n_frames, 3) + assert im.n_frames == 3 + + # Test appending images + mp = BytesIO() + im = Image.new("RGB", (100, 100), "#f00") + ims = [Image.new("RGB", (100, 100), color) for color in ["#0f0", "#00f"]] + im.copy().save(mp, format="TIFF", save_all=True, append_images=ims) + + mp.seek(0, os.SEEK_SET) + with Image.open(mp) as reread: + assert reread.n_frames == 3 + + # Test appending using a generator + def imGenerator(ims): + yield from ims + + mp = BytesIO() + im.save(mp, format="TIFF", save_all=True, append_images=imGenerator(ims)) + + mp.seek(0, os.SEEK_SET) + with Image.open(mp) as reread: + assert reread.n_frames == 3 + + def test_saving_icc_profile(self, tmp_path): + # Tests saving TIFF with icc_profile set. + # At the time of writing this will only work for non-compressed tiffs + # as libtiff does not support embedded ICC profiles, + # ImageFile._save(..) however does. + im = Image.new("RGB", (1, 1)) + im.info["icc_profile"] = "Dummy value" + + # Try save-load round trip to make sure both handle icc_profile. + tmpfile = str(tmp_path / "temp.tif") + im.save(tmpfile, "TIFF", compression="raw") + with Image.open(tmpfile) as reloaded: + assert b"Dummy value" == reloaded.info["icc_profile"] + + def test_save_icc_profile(self, tmp_path): + im = hopper() + assert "icc_profile" not in im.info + + outfile = str(tmp_path / "temp.tif") + icc_profile = b"Dummy value" + im.save(outfile, icc_profile=icc_profile) + + with Image.open(outfile) as reloaded: + assert reloaded.info["icc_profile"] == icc_profile + + def test_discard_icc_profile(self, tmp_path): + outfile = str(tmp_path / "temp.tif") + + with Image.open("Tests/images/icc_profile.png") as im: + assert "icc_profile" in im.info + + im.save(outfile, icc_profile=None) + + with Image.open(outfile) as reloaded: + assert "icc_profile" not in reloaded.info + + def test_getxmp(self): + with Image.open("Tests/images/lab.tif") as im: + if ElementTree is None: + with pytest.warns(UserWarning): + assert im.getxmp() == {} + else: + xmp = im.getxmp() + + description = xmp["xmpmeta"]["RDF"]["Description"] + assert description[0]["format"] == "image/tiff" + assert description[3]["BitsPerSample"]["Seq"]["li"] == ["8", "8", "8"] + + def test_close_on_load_exclusive(self, tmp_path): + # similar to test_fd_leak, but runs on unixlike os + tmpfile = str(tmp_path / "temp.tif") + + with Image.open("Tests/images/uint16_1_4660.tif") as im: + im.save(tmpfile) + + im = Image.open(tmpfile) + fp = im.fp + assert not fp.closed + im.load() + assert fp.closed + + def test_close_on_load_nonexclusive(self, tmp_path): + tmpfile = str(tmp_path / "temp.tif") + + with Image.open("Tests/images/uint16_1_4660.tif") as im: + im.save(tmpfile) + + with open(tmpfile, "rb") as f: + im = Image.open(f) + fp = im.fp + assert not fp.closed + im.load() + assert not fp.closed + + # Ignore this UserWarning which triggers for four tags: + # "Possibly corrupt EXIF data. Expecting to read 50404352 bytes but..." + @pytest.mark.filterwarnings("ignore:Possibly corrupt EXIF data") + # Ignore this UserWarning: + @pytest.mark.filterwarnings("ignore:Truncated File Read") + @pytest.mark.skipif( + not os.path.exists("Tests/images/string_dimension.tiff"), + reason="Extra image files not installed", + ) + def test_string_dimension(self): + # Assert that an error is raised if one of the dimensions is a string + with Image.open("Tests/images/string_dimension.tiff") as im: + with pytest.raises(OSError): + im.load() + + @pytest.mark.timeout(6) + @pytest.mark.filterwarnings("ignore:Truncated File Read") + def test_timeout(self): + with Image.open("Tests/images/timeout-6646305047838720") as im: + ImageFile.LOAD_TRUNCATED_IMAGES = True + im.load() + ImageFile.LOAD_TRUNCATED_IMAGES = False + + +@pytest.mark.skipif(not is_win32(), reason="Windows only") +class TestFileTiffW32: + def test_fd_leak(self, tmp_path): + tmpfile = str(tmp_path / "temp.tif") + + # this is an mmaped file. + with Image.open("Tests/images/uint16_1_4660.tif") as im: + im.save(tmpfile) + + im = Image.open(tmpfile) + fp = im.fp + assert not fp.closed + with pytest.raises(OSError): + os.remove(tmpfile) + im.load() + assert fp.closed + + # this closes the mmap + im.close() -if __name__ == '__main__': - unittest.main() + # this should not fail, as load should have closed the file pointer, + # and close should have closed the mmap + os.remove(tmpfile) diff --git a/Tests/test_file_tiff_metadata.py b/Tests/test_file_tiff_metadata.py index f40ec09824e..2213af5aadf 100644 --- a/Tests/test_file_tiff_metadata.py +++ b/Tests/test_file_tiff_metadata.py @@ -1,228 +1,405 @@ -from __future__ import division - import io import struct -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image, TiffImagePlugin, TiffTags -from PIL.TiffImagePlugin import _limit_rational, IFDRational - -tag_ids = dict((info.name, info.value) for info in TiffTags.TAGS_V2.values()) - - -class TestFileTiffMetadata(PillowTestCase): - - def test_rt_metadata(self): - """ Test writing arbitrary metadata into the tiff image directory - Use case is ImageJ private tags, one numeric, one arbitrary - data. https://github.com/python-pillow/Pillow/issues/291 - """ - - img = hopper() - - # Behaviour change: re #1416 - # Pre ifd rewrite, ImageJMetaData was being written as a string(2), - # Post ifd rewrite, it's defined as arbitrary bytes(7). It should - # roundtrip with the actual bytes, rather than stripped text - # of the premerge tests. - # - # For text items, we still have to decode('ascii','replace') because - # the tiff file format can't take 8 bit bytes in that field. - - basetextdata = "This is some arbitrary metadata for a text field" - bindata = basetextdata.encode('ascii') + b" \xff" - textdata = basetextdata + " " + chr(255) - reloaded_textdata = basetextdata + " ?" - floatdata = 12.345 - doubledata = 67.89 - info = TiffImagePlugin.ImageFileDirectory() - - ImageJMetaData = tag_ids['ImageJMetaData'] - ImageJMetaDataByteCounts = tag_ids['ImageJMetaDataByteCounts'] - ImageDescription = tag_ids['ImageDescription'] - - info[ImageJMetaDataByteCounts] = len(bindata) - info[ImageJMetaData] = bindata - info[tag_ids['RollAngle']] = floatdata - info.tagtype[tag_ids['RollAngle']] = 11 - info[tag_ids['YawAngle']] = doubledata - info.tagtype[tag_ids['YawAngle']] = 12 - - info[ImageDescription] = textdata - - f = self.tempfile("temp.tif") - - img.save(f, tiffinfo=info) - - loaded = Image.open(f) - - self.assertEqual(loaded.tag[ImageJMetaDataByteCounts], (len(bindata),)) - self.assertEqual(loaded.tag_v2[ImageJMetaDataByteCounts], len(bindata)) - - self.assertEqual(loaded.tag[ImageJMetaData], bindata) - self.assertEqual(loaded.tag_v2[ImageJMetaData], bindata) - - self.assertEqual(loaded.tag[ImageDescription], (reloaded_textdata,)) - self.assertEqual(loaded.tag_v2[ImageDescription], reloaded_textdata) - - loaded_float = loaded.tag[tag_ids['RollAngle']][0] - self.assertAlmostEqual(loaded_float, floatdata, places=5) - loaded_double = loaded.tag[tag_ids['YawAngle']][0] - self.assertAlmostEqual(loaded_double, doubledata) - - def test_read_metadata(self): - img = Image.open('Tests/images/hopper_g4.tif') - - self.assertEqual({'YResolution': IFDRational(4294967295, 113653537), - 'PlanarConfiguration': 1, - 'BitsPerSample': (1,), - 'ImageLength': 128, - 'Compression': 4, - 'FillOrder': 1, - 'RowsPerStrip': 128, - 'ResolutionUnit': 3, - 'PhotometricInterpretation': 0, - 'PageNumber': (0, 1), - 'XResolution': IFDRational(4294967295, 113653537), - 'ImageWidth': 128, - 'Orientation': 1, - 'StripByteCounts': (1968,), - 'SamplesPerPixel': 1, - 'StripOffsets': (8,) - }, img.tag_v2.named()) - - self.assertEqual({'YResolution': ((4294967295, 113653537),), - 'PlanarConfiguration': (1,), - 'BitsPerSample': (1,), - 'ImageLength': (128,), - 'Compression': (4,), - 'FillOrder': (1,), - 'RowsPerStrip': (128,), - 'ResolutionUnit': (3,), - 'PhotometricInterpretation': (0,), - 'PageNumber': (0, 1), - 'XResolution': ((4294967295, 113653537),), - 'ImageWidth': (128,), - 'Orientation': (1,), - 'StripByteCounts': (1968,), - 'SamplesPerPixel': (1,), - 'StripOffsets': (8,) - }, img.tag.named()) - - def test_write_metadata(self): - """ Test metadata writing through the python code """ - img = Image.open('Tests/images/hopper.tif') - - f = self.tempfile('temp.tiff') +from PIL.TiffImagePlugin import IFDRational + +from .helper import assert_deep_equal, hopper + +TAG_IDS = {info.name: info.value for info in TiffTags.TAGS_V2.values()} + + +def test_rt_metadata(tmp_path): + """Test writing arbitrary metadata into the tiff image directory + Use case is ImageJ private tags, one numeric, one arbitrary + data. https://github.com/python-pillow/Pillow/issues/291 + """ + + img = hopper() + + # Behaviour change: re #1416 + # Pre ifd rewrite, ImageJMetaData was being written as a string(2), + # Post ifd rewrite, it's defined as arbitrary bytes(7). It should + # roundtrip with the actual bytes, rather than stripped text + # of the premerge tests. + # + # For text items, we still have to decode('ascii','replace') because + # the tiff file format can't take 8 bit bytes in that field. + + basetextdata = "This is some arbitrary metadata for a text field" + bindata = basetextdata.encode("ascii") + b" \xff" + textdata = basetextdata + " " + chr(255) + reloaded_textdata = basetextdata + " ?" + floatdata = 12.345 + doubledata = 67.89 + info = TiffImagePlugin.ImageFileDirectory() + + ImageJMetaData = TAG_IDS["ImageJMetaData"] + ImageJMetaDataByteCounts = TAG_IDS["ImageJMetaDataByteCounts"] + ImageDescription = TAG_IDS["ImageDescription"] + + info[ImageJMetaDataByteCounts] = len(bindata) + info[ImageJMetaData] = bindata + info[TAG_IDS["RollAngle"]] = floatdata + info.tagtype[TAG_IDS["RollAngle"]] = 11 + info[TAG_IDS["YawAngle"]] = doubledata + info.tagtype[TAG_IDS["YawAngle"]] = 12 + + info[ImageDescription] = textdata + + f = str(tmp_path / "temp.tif") + + img.save(f, tiffinfo=info) + + with Image.open(f) as loaded: + + assert loaded.tag[ImageJMetaDataByteCounts] == (len(bindata),) + assert loaded.tag_v2[ImageJMetaDataByteCounts] == (len(bindata),) + + assert loaded.tag[ImageJMetaData] == bindata + assert loaded.tag_v2[ImageJMetaData] == bindata + + assert loaded.tag[ImageDescription] == (reloaded_textdata,) + assert loaded.tag_v2[ImageDescription] == reloaded_textdata + + loaded_float = loaded.tag[TAG_IDS["RollAngle"]][0] + assert round(abs(loaded_float - floatdata), 5) == 0 + loaded_double = loaded.tag[TAG_IDS["YawAngle"]][0] + assert round(abs(loaded_double - doubledata), 7) == 0 + + # check with 2 element ImageJMetaDataByteCounts, issue #2006 + + info[ImageJMetaDataByteCounts] = (8, len(bindata) - 8) + img.save(f, tiffinfo=info) + with Image.open(f) as loaded: + + assert loaded.tag[ImageJMetaDataByteCounts] == (8, len(bindata) - 8) + assert loaded.tag_v2[ImageJMetaDataByteCounts] == (8, len(bindata) - 8) + + +def test_read_metadata(): + with Image.open("Tests/images/hopper_g4.tif") as img: + + assert { + "YResolution": IFDRational(4294967295, 113653537), + "PlanarConfiguration": 1, + "BitsPerSample": (1,), + "ImageLength": 128, + "Compression": 4, + "FillOrder": 1, + "RowsPerStrip": 128, + "ResolutionUnit": 3, + "PhotometricInterpretation": 0, + "PageNumber": (0, 1), + "XResolution": IFDRational(4294967295, 113653537), + "ImageWidth": 128, + "Orientation": 1, + "StripByteCounts": (1968,), + "SamplesPerPixel": 1, + "StripOffsets": (8,), + } == img.tag_v2.named() + + assert { + "YResolution": ((4294967295, 113653537),), + "PlanarConfiguration": (1,), + "BitsPerSample": (1,), + "ImageLength": (128,), + "Compression": (4,), + "FillOrder": (1,), + "RowsPerStrip": (128,), + "ResolutionUnit": (3,), + "PhotometricInterpretation": (0,), + "PageNumber": (0, 1), + "XResolution": ((4294967295, 113653537),), + "ImageWidth": (128,), + "Orientation": (1,), + "StripByteCounts": (1968,), + "SamplesPerPixel": (1,), + "StripOffsets": (8,), + } == img.tag.named() + + +def test_write_metadata(tmp_path): + """Test metadata writing through the python code""" + with Image.open("Tests/images/hopper.tif") as img: + f = str(tmp_path / "temp.tiff") img.save(f, tiffinfo=img.tag) - loaded = Image.open(f) - original = img.tag_v2.named() + + with Image.open(f) as loaded: reloaded = loaded.tag_v2.named() - for k, v in original.items(): - if type(v) == IFDRational: - original[k] = IFDRational(*_limit_rational(v, 2**31)) - if type(v) == tuple and \ - type(v[0]) == IFDRational: - original[k] = tuple([IFDRational( - *_limit_rational(elt, 2**31)) for elt in v]) - - ignored = ['StripByteCounts', 'RowsPerStrip', - 'PageNumber', 'StripOffsets'] - - for tag, value in reloaded.items(): - if tag in ignored: - continue - if (type(original[tag]) == tuple - and type(original[tag][0]) == IFDRational): - # Need to compare element by element in the tuple, - # not comparing tuples of object references - self.assert_deep_equal(original[tag], - value, - "%s didn't roundtrip, %s, %s" % - (tag, original[tag], value)) - else: - self.assertEqual(original[tag], - value, - "%s didn't roundtrip, %s, %s" % - (tag, original[tag], value)) - - for tag, value in original.items(): - if tag not in ignored: - self.assertEqual( - value, reloaded[tag], "%s didn't roundtrip" % tag) - - def test_no_duplicate_50741_tag(self): - self.assertEqual(tag_ids['MakerNoteSafety'], 50741) - self.assertEqual(tag_ids['BestQualityScale'], 50780) - - def test_empty_metadata(self): - f = io.BytesIO(b'II*\x00\x08\x00\x00\x00') - head = f.read(8) - info = TiffImagePlugin.ImageFileDirectory(head) - try: - self.assert_warning(UserWarning, lambda: info.load(f)) - except struct.error: - self.fail("Should not be struct errors there.") - - def test_iccprofile(self): - # https://github.com/python-pillow/Pillow/issues/1462 - im = Image.open('Tests/images/hopper.iccprofile.tif') - out = self.tempfile('temp.tiff') + ignored = ["StripByteCounts", "RowsPerStrip", "PageNumber", "StripOffsets"] + + for tag, value in reloaded.items(): + if tag in ignored: + continue + if isinstance(original[tag], tuple) and isinstance( + original[tag][0], IFDRational + ): + # Need to compare element by element in the tuple, + # not comparing tuples of object references + assert_deep_equal( + original[tag], + value, + f"{tag} didn't roundtrip, {original[tag]}, {value}", + ) + else: + assert ( + original[tag] == value + ), f"{tag} didn't roundtrip, {original[tag]}, {value}" + + for tag, value in original.items(): + if tag not in ignored: + assert value == reloaded[tag], f"{tag} didn't roundtrip" + + +def test_change_stripbytecounts_tag_type(tmp_path): + out = str(tmp_path / "temp.tiff") + with Image.open("Tests/images/hopper.tif") as im: + info = im.tag_v2 + + # Resize the image so that STRIPBYTECOUNTS will be larger than a SHORT + im = im.resize((500, 500)) + + # STRIPBYTECOUNTS can be a SHORT or a LONG + info.tagtype[TiffImagePlugin.STRIPBYTECOUNTS] = TiffTags.SHORT + + im.save(out, tiffinfo=info) + with Image.open(out) as reloaded: + assert reloaded.tag_v2.tagtype[TiffImagePlugin.STRIPBYTECOUNTS] == TiffTags.LONG + + +def test_no_duplicate_50741_tag(): + assert TAG_IDS["MakerNoteSafety"] == 50741 + assert TAG_IDS["BestQualityScale"] == 50780 + + +def test_iptc(tmp_path): + out = str(tmp_path / "temp.tiff") + with Image.open("Tests/images/hopper.Lab.tif") as im: im.save(out) - reloaded = Image.open(out) - self.assert_(type(im.info['icc_profile']) is not tuple) - self.assertEqual(im.info['icc_profile'], reloaded.info['icc_profile']) - def test_iccprofile_binary(self): - # https://github.com/python-pillow/Pillow/issues/1526 - # We should be able to load this, but probably won't be able to save it. - im = Image.open('Tests/images/hopper.iccprofile_binary.tif') - self.assertEqual(im.tag_v2.tagtype[34675], 1) - self.assertTrue(im.info['icc_profile']) +def test_undefined_zero(tmp_path): + # Check that the tag has not been changed since this test was created + tag = TiffTags.TAGS_V2[45059] + assert tag.type == TiffTags.UNDEFINED + assert tag.length == 0 + + info = TiffImagePlugin.ImageFileDirectory(b"II*\x00\x08\x00\x00\x00") + info[45059] = b"test" - def test_iccprofile_save_png(self): - im = Image.open('Tests/images/hopper.iccprofile.tif') - outfile = self.tempfile('temp.png') + # Assert that the tag value does not change by setting it to itself + original = info[45059] + info[45059] = info[45059] + assert info[45059] == original + + +def test_empty_metadata(): + f = io.BytesIO(b"II*\x00\x08\x00\x00\x00") + head = f.read(8) + info = TiffImagePlugin.ImageFileDirectory(head) + # Should not raise struct.error. + pytest.warns(UserWarning, info.load, f) + + +def test_iccprofile(tmp_path): + # https://github.com/python-pillow/Pillow/issues/1462 + out = str(tmp_path / "temp.tiff") + with Image.open("Tests/images/hopper.iccprofile.tif") as im: + im.save(out) + + with Image.open(out) as reloaded: + assert not isinstance(im.info["icc_profile"], tuple) + assert im.info["icc_profile"] == reloaded.info["icc_profile"] + + +def test_iccprofile_binary(): + # https://github.com/python-pillow/Pillow/issues/1526 + # We should be able to load this, + # but probably won't be able to save it. + + with Image.open("Tests/images/hopper.iccprofile_binary.tif") as im: + assert im.tag_v2.tagtype[34675] == 1 + assert im.info["icc_profile"] + + +def test_iccprofile_save_png(tmp_path): + with Image.open("Tests/images/hopper.iccprofile.tif") as im: + outfile = str(tmp_path / "temp.png") im.save(outfile) - def test_iccprofile_binary_save_png(self): - im = Image.open('Tests/images/hopper.iccprofile_binary.tif') - outfile = self.tempfile('temp.png') + +def test_iccprofile_binary_save_png(tmp_path): + with Image.open("Tests/images/hopper.iccprofile_binary.tif") as im: + outfile = str(tmp_path / "temp.png") im.save(outfile) - def test_exif_div_zero(self): - im = hopper() - info = TiffImagePlugin.ImageFileDirectory_v2() - info[41988] = TiffImagePlugin.IFDRational(0, 0) - - out = self.tempfile('temp.tiff') - im.save(out, tiffinfo=info, compression='raw') - - reloaded = Image.open(out) - self.assertEqual(0, reloaded.tag_v2[41988][0].numerator) - self.assertEqual(0, reloaded.tag_v2[41988][0].denominator) - - def test_expty_values(self): - data = io.BytesIO( - b'II*\x00\x08\x00\x00\x00\x03\x00\x1a\x01\x05\x00\x00\x00\x00\x00' - b'\x00\x00\x00\x00\x1b\x01\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00' - b'\x98\x82\x02\x00\x07\x00\x00\x002\x00\x00\x00\x00\x00\x00\x00a ' - b'text\x00\x00') - head = data.read(8) - info = TiffImagePlugin.ImageFileDirectory_v2(head) - info.load(data) - try: - info = dict(info) - except ValueError: - self.fail("Should not be struct value error there.") - self.assertIn(33432, info) - - -if __name__ == '__main__': - unittest.main() + +def test_exif_div_zero(tmp_path): + im = hopper() + info = TiffImagePlugin.ImageFileDirectory_v2() + info[41988] = TiffImagePlugin.IFDRational(0, 0) + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert 0 == reloaded.tag_v2[41988].numerator + assert 0 == reloaded.tag_v2[41988].denominator + + +def test_ifd_unsigned_rational(tmp_path): + im = hopper() + info = TiffImagePlugin.ImageFileDirectory_v2() + + max_long = 2 ** 32 - 1 + + # 4 bytes unsigned long + numerator = max_long + + info[41493] = TiffImagePlugin.IFDRational(numerator, 1) + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert max_long == reloaded.tag_v2[41493].numerator + assert 1 == reloaded.tag_v2[41493].denominator + + # out of bounds of 4 byte unsigned long + numerator = max_long + 1 + + info[41493] = TiffImagePlugin.IFDRational(numerator, 1) + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert max_long == reloaded.tag_v2[41493].numerator + assert 1 == reloaded.tag_v2[41493].denominator + + +def test_ifd_signed_rational(tmp_path): + im = hopper() + info = TiffImagePlugin.ImageFileDirectory_v2() + + # pair of 4 byte signed longs + numerator = 2 ** 31 - 1 + denominator = -(2 ** 31) + + info[37380] = TiffImagePlugin.IFDRational(numerator, denominator) + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert numerator == reloaded.tag_v2[37380].numerator + assert denominator == reloaded.tag_v2[37380].denominator + + numerator = -(2 ** 31) + denominator = 2 ** 31 - 1 + + info[37380] = TiffImagePlugin.IFDRational(numerator, denominator) + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert numerator == reloaded.tag_v2[37380].numerator + assert denominator == reloaded.tag_v2[37380].denominator + + # out of bounds of 4 byte signed long + numerator = -(2 ** 31) - 1 + denominator = 1 + + info[37380] = TiffImagePlugin.IFDRational(numerator, denominator) + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert 2 ** 31 - 1 == reloaded.tag_v2[37380].numerator + assert -1 == reloaded.tag_v2[37380].denominator + + +def test_ifd_signed_long(tmp_path): + im = hopper() + info = TiffImagePlugin.ImageFileDirectory_v2() + + info[37000] = -60000 + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert reloaded.tag_v2[37000] == -60000 + + +def test_empty_values(): + data = io.BytesIO( + b"II*\x00\x08\x00\x00\x00\x03\x00\x1a\x01\x05\x00\x00\x00\x00\x00" + b"\x00\x00\x00\x00\x1b\x01\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00" + b"\x98\x82\x02\x00\x07\x00\x00\x002\x00\x00\x00\x00\x00\x00\x00a " + b"text\x00\x00" + ) + head = data.read(8) + info = TiffImagePlugin.ImageFileDirectory_v2(head) + info.load(data) + # Should not raise ValueError. + info = dict(info) + assert 33432 in info + + +def test_PhotoshopInfo(tmp_path): + with Image.open("Tests/images/issue_2278.tif") as im: + assert len(im.tag_v2[34377]) == 70 + assert isinstance(im.tag_v2[34377], bytes) + out = str(tmp_path / "temp.tiff") + im.save(out) + with Image.open(out) as reloaded: + assert len(reloaded.tag_v2[34377]) == 70 + assert isinstance(reloaded.tag_v2[34377], bytes) + + +def test_too_many_entries(): + ifd = TiffImagePlugin.ImageFileDirectory_v2() + + # 277: ("SamplesPerPixel", SHORT, 1), + ifd._tagdata[277] = struct.pack("hh", 4, 4) + ifd.tagtype[277] = TiffTags.SHORT + + # Should not raise ValueError. + pytest.warns(UserWarning, lambda: ifd[277]) + + +def test_tag_group_data(): + base_ifd = TiffImagePlugin.ImageFileDirectory_v2() + interop_ifd = TiffImagePlugin.ImageFileDirectory_v2(group=40965) + for ifd in (base_ifd, interop_ifd): + ifd[2] = "test" + ifd[256] = 10 + + assert base_ifd.tagtype[256] == 4 + assert interop_ifd.tagtype[256] != base_ifd.tagtype[256] + + assert interop_ifd.tagtype[2] == 7 + assert base_ifd.tagtype[2] != interop_ifd.tagtype[256] + + +def test_empty_subifd(tmp_path): + out = str(tmp_path / "temp.jpg") + + im = hopper() + exif = im.getexif() + exif[TiffImagePlugin.EXIFIFD] = {} + im.save(out, exif=exif) + + with Image.open(out) as reloaded: + exif = reloaded.getexif() + assert exif.get_ifd(TiffImagePlugin.EXIFIFD) == {} diff --git a/Tests/test_file_wal.py b/Tests/test_file_wal.py new file mode 100644 index 00000000000..f25b42fe0c4 --- /dev/null +++ b/Tests/test_file_wal.py @@ -0,0 +1,21 @@ +from PIL import WalImageFile + +from .helper import assert_image_equal_tofile + + +def test_open(): + # Arrange + TEST_FILE = "Tests/images/hopper.wal" + + # Act + with WalImageFile.open(TEST_FILE) as im: + + # Assert + assert im.format == "WAL" + assert im.format_description == "Quake2 Texture" + assert im.mode == "P" + assert im.size == (128, 128) + + assert isinstance(im, WalImageFile.WalImageFile) + + assert_image_equal_tofile(im, "Tests/images/hopper_wal.png") diff --git a/Tests/test_file_webp.py b/Tests/test_file_webp.py index 88f2e5f5b59..e72b4993c63 100644 --- a/Tests/test_file_webp.py +++ b/Tests/test_file_webp.py @@ -1,82 +1,205 @@ -from helper import unittest, PillowTestCase, hopper +import io +import re +import sys -from PIL import Image +import pytest + +from PIL import Image, WebPImagePlugin, features + +from .helper import ( + assert_image_similar, + assert_image_similar_tofile, + hopper, + skip_unless_feature, +) try: from PIL import _webp + + HAVE_WEBP = True except ImportError: - # Skip in setUp() - pass + HAVE_WEBP = False + + +class TestUnsupportedWebp: + def test_unsupported(self): + if HAVE_WEBP: + WebPImagePlugin.SUPPORTED = False + + file_path = "Tests/images/hopper.webp" + pytest.warns(UserWarning, lambda: pytest.raises(OSError, Image.open, file_path)) + if HAVE_WEBP: + WebPImagePlugin.SUPPORTED = True -class TestFileWebp(PillowTestCase): - def setUp(self): - try: - from PIL import _webp - except ImportError: - self.skipTest('WebP support not installed') +@skip_unless_feature("webp") +class TestFileWebp: + def setup_method(self): + self.rgb_mode = "RGB" def test_version(self): _webp.WebPDecoderVersion() _webp.WebPDecoderBuggyAlpha() + assert re.search(r"\d+\.\d+\.\d+$", features.version_module("webp")) def test_read_rgb(self): + """ + Can we read a RGB mode WebP file without error? + Does it have the bits we expect? + """ - file_path = "Tests/images/hopper.webp" - image = Image.open(file_path) + with Image.open("Tests/images/hopper.webp") as image: + assert image.mode == self.rgb_mode + assert image.size == (128, 128) + assert image.format == "WEBP" + image.load() + image.getdata() + + # generated with: + # dwebp -ppm ../../Tests/images/hopper.webp -o hopper_webp_bits.ppm + assert_image_similar_tofile(image, "Tests/images/hopper_webp_bits.ppm", 1.0) + + def _roundtrip(self, tmp_path, mode, epsilon, args={}): + temp_file = str(tmp_path / "temp.webp") + + hopper(mode).save(temp_file, **args) + with Image.open(temp_file) as image: + assert image.mode == self.rgb_mode + assert image.size == (128, 128) + assert image.format == "WEBP" + image.load() + image.getdata() + + if mode == self.rgb_mode: + # generated with: dwebp -ppm temp.webp -o hopper_webp_write.ppm + assert_image_similar_tofile( + image, "Tests/images/hopper_webp_write.ppm", 12.0 + ) + + # This test asserts that the images are similar. If the average pixel + # difference between the two images is less than the epsilon value, + # then we're going to accept that it's a reasonable lossy version of + # the image. + target = hopper(mode) + if mode != self.rgb_mode: + target = target.convert(self.rgb_mode) + assert_image_similar(image, target, epsilon) + + def test_write_rgb(self, tmp_path): + """ + Can we write a RGB mode file to webp without error? + Does it have the bits we expect? + """ - self.assertEqual(image.mode, "RGB") - self.assertEqual(image.size, (128, 128)) - self.assertEqual(image.format, "WEBP") - image.load() - image.getdata() + self._roundtrip(tmp_path, self.rgb_mode, 12.5) - # generated with: - # dwebp -ppm ../../Tests/images/hopper.webp -o hopper_webp_bits.ppm - target = Image.open('Tests/images/hopper_webp_bits.ppm') - self.assert_image_similar(image, target, 20.0) + def test_write_method(self, tmp_path): + self._roundtrip(tmp_path, self.rgb_mode, 12.0, {"method": 6}) - def test_write_rgb(self): + buffer_no_args = io.BytesIO() + hopper().save(buffer_no_args, format="WEBP") + + buffer_method = io.BytesIO() + hopper().save(buffer_method, format="WEBP", method=6) + assert buffer_no_args.getbuffer() != buffer_method.getbuffer() + + def test_icc_profile(self, tmp_path): + self._roundtrip(tmp_path, self.rgb_mode, 12.5, {"icc_profile": None}) + if _webp.HAVE_WEBPANIM: + self._roundtrip( + tmp_path, self.rgb_mode, 12.5, {"icc_profile": None, "save_all": True} + ) + + def test_write_unsupported_mode_L(self, tmp_path): """ - Can we write a RGB mode file to webp without error. - Does it have the bits we expect? + Saving a black-and-white file to WebP format should work, and be + similar to the original file. """ - temp_file = self.tempfile("temp.webp") + self._roundtrip(tmp_path, "L", 10.0) - hopper("RGB").save(temp_file) - - image = Image.open(temp_file) - image.load() + def test_write_unsupported_mode_P(self, tmp_path): + """ + Saving a palette-based file to WebP format should work, and be + similar to the original file. + """ - self.assertEqual(image.mode, "RGB") - self.assertEqual(image.size, (128, 128)) - self.assertEqual(image.format, "WEBP") - image.load() - image.getdata() + self._roundtrip(tmp_path, "P", 50.0) - # If we're using the exact same version of WebP, this test should pass. - # but it doesn't if the WebP is generated on Ubuntu and tested on - # Fedora. + @pytest.mark.skipif(sys.maxsize <= 2 ** 32, reason="Requires 64-bit system") + def test_write_encoding_error_message(self, tmp_path): + temp_file = str(tmp_path / "temp.webp") + im = Image.new("RGB", (15000, 15000)) + with pytest.raises(ValueError) as e: + im.save(temp_file, method=0) + assert str(e.value) == "encoding error 6" - # generated with: dwebp -ppm temp.webp -o hopper_webp_write.ppm - # target = Image.open('Tests/images/hopper_webp_write.ppm') - # self.assert_image_equal(image, target) + def test_WebPEncode_with_invalid_args(self): + """ + Calling encoder functions with no arguments should result in an error. + """ - # This test asserts that the images are similar. If the average pixel - # difference between the two images is less than the epsilon value, - # then we're going to accept that it's a reasonable lossy version of - # the image. The old lena images for WebP are showing ~16 on - # Ubuntu, the jpegs are showing ~18. - target = hopper("RGB") - self.assert_image_similar(image, target, 12) + if _webp.HAVE_WEBPANIM: + with pytest.raises(TypeError): + _webp.WebPAnimEncoder() + with pytest.raises(TypeError): + _webp.WebPEncode() - def test_write_unsupported_mode(self): - temp_file = self.tempfile("temp.webp") + def test_WebPDecode_with_invalid_args(self): + """ + Calling decoder functions with no arguments should result in an error. + """ - self.assertRaises(IOError, lambda: hopper("L").save(temp_file)) + if _webp.HAVE_WEBPANIM: + with pytest.raises(TypeError): + _webp.WebPAnimDecoder() + with pytest.raises(TypeError): + _webp.WebPDecode() + def test_no_resource_warning(self, tmp_path): + file_path = "Tests/images/hopper.webp" + with Image.open(file_path) as image: + temp_file = str(tmp_path / "temp.webp") + with pytest.warns(None) as record: + image.save(temp_file) + assert not record -if __name__ == '__main__': - unittest.main() + def test_file_pointer_could_be_reused(self): + file_path = "Tests/images/hopper.webp" + with open(file_path, "rb") as blob: + Image.open(blob).load() + Image.open(blob).load() + + @skip_unless_feature("webp") + @skip_unless_feature("webp_anim") + def test_background_from_gif(self, tmp_path): + with Image.open("Tests/images/chi.gif") as im: + original_value = im.convert("RGB").getpixel((1, 1)) + + # Save as WEBP + out_webp = str(tmp_path / "temp.webp") + im.save(out_webp, save_all=True) + + # Save as GIF + out_gif = str(tmp_path / "temp.gif") + with Image.open(out_webp) as im: + im.save(out_gif) + + with Image.open(out_gif) as reread: + reread_value = reread.convert("RGB").getpixel((1, 1)) + difference = sum(abs(original_value[i] - reread_value[i]) for i in range(0, 3)) + assert difference < 5 + + @skip_unless_feature("webp") + @skip_unless_feature("webp_anim") + def test_duration(self, tmp_path): + with Image.open("Tests/images/dispose_bgnd.gif") as im: + assert im.info["duration"] == 1000 + + out_webp = str(tmp_path / "temp.webp") + im.save(out_webp, save_all=True) + + with Image.open(out_webp) as reloaded: + reloaded.load() + assert reloaded.info["duration"] == 1000 diff --git a/Tests/test_file_webp_alpha.py b/Tests/test_file_webp_alpha.py index 70a4d735491..dc82fb742b2 100644 --- a/Tests/test_file_webp_alpha.py +++ b/Tests/test_file_webp_alpha.py @@ -1,95 +1,120 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image -try: - from PIL import _webp -except ImportError: - pass - # Skip in setUp() +from .helper import ( + assert_image_equal, + assert_image_similar, + assert_image_similar_tofile, + hopper, +) +_webp = pytest.importorskip("PIL._webp", reason="WebP support not installed") -class TestFileWebpAlpha(PillowTestCase): - def setUp(self): - try: - from PIL import _webp - except ImportError: - self.skipTest('WebP support not installed') +def setup_module(): + if _webp.WebPDecoderBuggyAlpha(): + pytest.skip("Buggy early version of WebP installed, not testing transparency") - if _webp.WebPDecoderBuggyAlpha(self): - self.skipTest("Buggy early version of WebP installed, " - "not testing transparency") - def test_read_rgba(self): - # Generated with `cwebp transparent.png -o transparent.webp` - file_path = "Tests/images/transparent.webp" - image = Image.open(file_path) +def test_read_rgba(): + """ + Can we read an RGBA mode file without error? + Does it have the bits we expect? + """ - self.assertEqual(image.mode, "RGBA") - self.assertEqual(image.size, (200, 150)) - self.assertEqual(image.format, "WEBP") + # Generated with `cwebp transparent.png -o transparent.webp` + file_path = "Tests/images/transparent.webp" + with Image.open(file_path) as image: + assert image.mode == "RGBA" + assert image.size == (200, 150) + assert image.format == "WEBP" image.load() image.getdata() image.tobytes() - target = Image.open('Tests/images/transparent.png') - self.assert_image_similar(image, target, 20.0) + assert_image_similar_tofile(image, "Tests/images/transparent.png", 20.0) - def test_write_lossless_rgb(self): - temp_file = self.tempfile("temp.webp") - # temp_file = "temp.webp" - pil_image = hopper('RGBA') +def test_write_lossless_rgb(tmp_path): + """ + Can we write an RGBA mode file with lossless compression without error? + Does it have the bits we expect? + """ - mask = Image.new("RGBA", (64, 64), (128, 128, 128, 128)) - # Add some partially transparent bits: - pil_image.paste(mask, (0, 0), mask) + temp_file = str(tmp_path / "temp.webp") + # temp_file = "temp.webp" - pil_image.save(temp_file, lossless=True) + pil_image = hopper("RGBA") - image = Image.open(temp_file) + mask = Image.new("RGBA", (64, 64), (128, 128, 128, 128)) + # Add some partially transparent bits: + pil_image.paste(mask, (0, 0), mask) + + pil_image.save(temp_file, lossless=True) + + with Image.open(temp_file) as image: image.load() - self.assertEqual(image.mode, "RGBA") - self.assertEqual(image.size, pil_image.size) - self.assertEqual(image.format, "WEBP") + assert image.mode == "RGBA" + assert image.size == pil_image.size + assert image.format == "WEBP" image.load() image.getdata() - self.assert_image_equal(image, pil_image) + assert_image_equal(image, pil_image) - def test_write_rgba(self): - """ - Can we write a RGBA mode file to webp without error. - Does it have the bits we expect? - """ - temp_file = self.tempfile("temp.webp") +def test_write_rgba(tmp_path): + """ + Can we write a RGBA mode file to WebP without error. + Does it have the bits we expect? + """ - pil_image = Image.new("RGBA", (10, 10), (255, 0, 0, 20)) - pil_image.save(temp_file) + temp_file = str(tmp_path / "temp.webp") - if _webp.WebPDecoderBuggyAlpha(self): - return + pil_image = Image.new("RGBA", (10, 10), (255, 0, 0, 20)) + pil_image.save(temp_file) - image = Image.open(temp_file) + if _webp.WebPDecoderBuggyAlpha(): + return + + with Image.open(temp_file) as image: image.load() - self.assertEqual(image.mode, "RGBA") - self.assertEqual(image.size, (10, 10)) - self.assertEqual(image.format, "WEBP") + assert image.mode == "RGBA" + assert image.size == (10, 10) + assert image.format == "WEBP" image.load() image.getdata() - # early versions of webp are known to produce higher deviations: + # Early versions of WebP are known to produce higher deviations: # deal with it - if _webp.WebPDecoderVersion(self) <= 0x201: - self.assert_image_similar(image, pil_image, 3.0) + if _webp.WebPDecoderVersion() <= 0x201: + assert_image_similar(image, pil_image, 3.0) else: - self.assert_image_similar(image, pil_image, 1.0) + assert_image_similar(image, pil_image, 1.0) + +def test_write_unsupported_mode_PA(tmp_path): + """ + Saving a palette-based file with transparency to WebP format + should work, and be similar to the original file. + """ + + temp_file = str(tmp_path / "temp.webp") + file_path = "Tests/images/transparent.gif" + with Image.open(file_path) as im: + im.save(temp_file) + with Image.open(temp_file) as image: + assert image.mode == "RGBA" + assert image.size == (200, 150) + assert image.format == "WEBP" + + image.load() + image.getdata() + with Image.open(file_path) as im: + target = im.convert("RGBA") -if __name__ == '__main__': - unittest.main() + assert_image_similar(image, target, 25.0) diff --git a/Tests/test_file_webp_animated.py b/Tests/test_file_webp_animated.py new file mode 100644 index 00000000000..25ebffe0248 --- /dev/null +++ b/Tests/test_file_webp_animated.py @@ -0,0 +1,166 @@ +import pytest + +from PIL import Image + +from .helper import ( + assert_image_equal, + assert_image_similar, + is_big_endian, + skip_unless_feature, +) + +pytestmark = [ + skip_unless_feature("webp"), + skip_unless_feature("webp_anim"), +] + + +def test_n_frames(): + """Ensure that WebP format sets n_frames and is_animated attributes correctly.""" + + with Image.open("Tests/images/hopper.webp") as im: + assert im.n_frames == 1 + assert not im.is_animated + + with Image.open("Tests/images/iss634.webp") as im: + assert im.n_frames == 42 + assert im.is_animated + + +@pytest.mark.xfail(is_big_endian(), reason="Fails on big-endian") +def test_write_animation_L(tmp_path): + """ + Convert an animated GIF to animated WebP, then compare the frame count, and first + and last frames to ensure they're visually similar. + """ + + with Image.open("Tests/images/iss634.gif") as orig: + assert orig.n_frames > 1 + + temp_file = str(tmp_path / "temp.webp") + orig.save(temp_file, save_all=True) + with Image.open(temp_file) as im: + assert im.n_frames == orig.n_frames + + # Compare first and last frames to the original animated GIF + orig.load() + im.load() + assert_image_similar(im, orig.convert("RGBA"), 32.9) + orig.seek(orig.n_frames - 1) + im.seek(im.n_frames - 1) + orig.load() + im.load() + assert_image_similar(im, orig.convert("RGBA"), 32.9) + + +@pytest.mark.xfail(is_big_endian(), reason="Fails on big-endian") +def test_write_animation_RGB(tmp_path): + """ + Write an animated WebP from RGB frames, and ensure the frames + are visually similar to the originals. + """ + + def check(temp_file): + with Image.open(temp_file) as im: + assert im.n_frames == 2 + + # Compare first frame to original + im.load() + assert_image_equal(im, frame1.convert("RGBA")) + + # Compare second frame to original + im.seek(1) + im.load() + assert_image_equal(im, frame2.convert("RGBA")) + + with Image.open("Tests/images/anim_frame1.webp") as frame1: + with Image.open("Tests/images/anim_frame2.webp") as frame2: + temp_file1 = str(tmp_path / "temp.webp") + frame1.copy().save( + temp_file1, save_all=True, append_images=[frame2], lossless=True + ) + check(temp_file1) + + # Tests appending using a generator + def imGenerator(ims): + yield from ims + + temp_file2 = str(tmp_path / "temp_generator.webp") + frame1.copy().save( + temp_file2, + save_all=True, + append_images=imGenerator([frame2]), + lossless=True, + ) + check(temp_file2) + + +def test_timestamp_and_duration(tmp_path): + """ + Try passing a list of durations, and make sure the encoded + timestamps and durations are correct. + """ + + durations = [0, 10, 20, 30, 40] + temp_file = str(tmp_path / "temp.webp") + with Image.open("Tests/images/anim_frame1.webp") as frame1: + with Image.open("Tests/images/anim_frame2.webp") as frame2: + frame1.save( + temp_file, + save_all=True, + append_images=[frame2, frame1, frame2, frame1], + duration=durations, + ) + + with Image.open(temp_file) as im: + assert im.n_frames == 5 + assert im.is_animated + + # Check that timestamps and durations match original values specified + ts = 0 + for frame in range(im.n_frames): + im.seek(frame) + im.load() + assert im.info["duration"] == durations[frame] + assert im.info["timestamp"] == ts + ts += durations[frame] + + +def test_seeking(tmp_path): + """ + Create an animated WebP file, and then try seeking through frames in reverse-order, + verifying the timestamps and durations are correct. + """ + + dur = 33 + temp_file = str(tmp_path / "temp.webp") + with Image.open("Tests/images/anim_frame1.webp") as frame1: + with Image.open("Tests/images/anim_frame2.webp") as frame2: + frame1.save( + temp_file, + save_all=True, + append_images=[frame2, frame1, frame2, frame1], + duration=dur, + ) + + with Image.open(temp_file) as im: + assert im.n_frames == 5 + assert im.is_animated + + # Traverse frames in reverse, checking timestamps and durations + ts = dur * (im.n_frames - 1) + for frame in reversed(range(im.n_frames)): + im.seek(frame) + im.load() + assert im.info["duration"] == dur + assert im.info["timestamp"] == ts + ts -= dur + + +def test_seek_errors(): + with Image.open("Tests/images/iss634.webp") as im: + with pytest.raises(EOFError): + im.seek(-1) + + with pytest.raises(EOFError): + im.seek(42) diff --git a/Tests/test_file_webp_lossless.py b/Tests/test_file_webp_lossless.py index f653eb8b4c0..2da443628d7 100644 --- a/Tests/test_file_webp_lossless.py +++ b/Tests/test_file_webp_lossless.py @@ -1,41 +1,28 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image -try: - from PIL import _webp -except ImportError: - pass - # Skip in setUp() +from .helper import assert_image_equal, hopper +_webp = pytest.importorskip("PIL._webp", reason="WebP support not installed") +RGB_MODE = "RGB" -class TestFileWebpLossless(PillowTestCase): - def setUp(self): - try: - from PIL import _webp - except: - self.skipTest('WebP support not installed') +def test_write_lossless_rgb(tmp_path): + if _webp.WebPDecoderVersion() < 0x0200: + pytest.skip("lossless not included") - if (_webp.WebPDecoderVersion() < 0x0200): - self.skipTest('lossless not included') + temp_file = str(tmp_path / "temp.webp") - def test_write_lossless_rgb(self): - temp_file = self.tempfile("temp.webp") + hopper(RGB_MODE).save(temp_file, lossless=True) - hopper("RGB").save(temp_file, lossless=True) - - image = Image.open(temp_file) + with Image.open(temp_file) as image: image.load() - self.assertEqual(image.mode, "RGB") - self.assertEqual(image.size, (128, 128)) - self.assertEqual(image.format, "WEBP") + assert image.mode == RGB_MODE + assert image.size == (128, 128) + assert image.format == "WEBP" image.load() image.getdata() - self.assert_image_equal(image, hopper("RGB")) - - -if __name__ == '__main__': - unittest.main() + assert_image_equal(image, hopper(RGB_MODE)) diff --git a/Tests/test_file_webp_metadata.py b/Tests/test_file_webp_metadata.py index 947f8464a82..e6d6fc63fc4 100644 --- a/Tests/test_file_webp_metadata.py +++ b/Tests/test_file_webp_metadata.py @@ -1,112 +1,139 @@ -from helper import unittest, PillowTestCase +from io import BytesIO -from PIL import Image +import pytest +from PIL import Image -class TestFileWebpMetadata(PillowTestCase): +from .helper import mark_if_feature_version, skip_unless_feature - def setUp(self): - try: - from PIL import _webp - except ImportError: - self.skipTest('WebP support not installed') - return +pytestmark = [ + skip_unless_feature("webp"), + skip_unless_feature("webp_mux"), +] - if not _webp.HAVE_WEBPMUX: - self.skipTest('WebPMux support not installed') - def test_read_exif_metadata(self): +def test_read_exif_metadata(): - file_path = "Tests/images/flower.webp" - image = Image.open(file_path) + file_path = "Tests/images/flower.webp" + with Image.open(file_path) as image: - self.assertEqual(image.format, "WEBP") + assert image.format == "WEBP" exif_data = image.info.get("exif", None) - self.assertTrue(exif_data) + assert exif_data exif = image._getexif() - # camera make - self.assertEqual(exif[271], "Canon") + # Camera make + assert exif[271] == "Canon" - jpeg_image = Image.open('Tests/images/flower.jpg') - expected_exif = jpeg_image.info['exif'] + with Image.open("Tests/images/flower.jpg") as jpeg_image: + expected_exif = jpeg_image.info["exif"] - self.assertEqual(exif_data, expected_exif) + assert exif_data == expected_exif - def test_write_exif_metadata(self): - from io import BytesIO - file_path = "Tests/images/flower.jpg" - image = Image.open(file_path) - expected_exif = image.info['exif'] +def test_read_exif_metadata_without_prefix(): + with Image.open("Tests/images/flower2.webp") as im: + # Assert prefix is not present + assert im.info["exif"][:6] != b"Exif\x00\x00" - test_buffer = BytesIO() + exif = im.getexif() + assert exif[305] == "Adobe Photoshop CS6 (Macintosh)" - image.save(test_buffer, "webp", exif=expected_exif) - test_buffer.seek(0) - webp_image = Image.open(test_buffer) +@mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" +) +def test_write_exif_metadata(): + file_path = "Tests/images/flower.jpg" + test_buffer = BytesIO() + with Image.open(file_path) as image: + expected_exif = image.info["exif"] - webp_exif = webp_image.info.get('exif', None) - self.assertTrue(webp_exif) - if webp_exif: - self.assertEqual( - webp_exif, expected_exif, "WebP EXIF didn't match") - - def test_read_icc_profile(self): + image.save(test_buffer, "webp", exif=expected_exif) - file_path = "Tests/images/flower2.webp" - image = Image.open(file_path) + test_buffer.seek(0) + with Image.open(test_buffer) as webp_image: + webp_exif = webp_image.info.get("exif", None) + assert webp_exif + if webp_exif: + assert webp_exif == expected_exif, "WebP EXIF didn't match" - self.assertEqual(image.format, "WEBP") - self.assertTrue(image.info.get("icc_profile", None)) - icc = image.info['icc_profile'] +def test_read_icc_profile(): - jpeg_image = Image.open('Tests/images/flower2.jpg') - expected_icc = jpeg_image.info['icc_profile'] + file_path = "Tests/images/flower2.webp" + with Image.open(file_path) as image: - self.assertEqual(icc, expected_icc) + assert image.format == "WEBP" + assert image.info.get("icc_profile", None) - def test_write_icc_metadata(self): - from io import BytesIO + icc = image.info["icc_profile"] - file_path = "Tests/images/flower2.jpg" - image = Image.open(file_path) - expected_icc_profile = image.info['icc_profile'] + with Image.open("Tests/images/flower2.jpg") as jpeg_image: + expected_icc = jpeg_image.info["icc_profile"] - test_buffer = BytesIO() + assert icc == expected_icc - image.save(test_buffer, "webp", icc_profile=expected_icc_profile) - test_buffer.seek(0) - webp_image = Image.open(test_buffer) +@mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" +) +def test_write_icc_metadata(): + file_path = "Tests/images/flower2.jpg" + test_buffer = BytesIO() + with Image.open(file_path) as image: + expected_icc_profile = image.info["icc_profile"] - webp_icc_profile = webp_image.info.get('icc_profile', None) + image.save(test_buffer, "webp", icc_profile=expected_icc_profile) - self.assertTrue(webp_icc_profile) - if webp_icc_profile: - self.assertEqual( - webp_icc_profile, expected_icc_profile, - "Webp ICC didn't match") + test_buffer.seek(0) + with Image.open(test_buffer) as webp_image: + webp_icc_profile = webp_image.info.get("icc_profile", None) - def test_read_no_exif(self): - from io import BytesIO + assert webp_icc_profile + if webp_icc_profile: + assert webp_icc_profile == expected_icc_profile, "Webp ICC didn't match" - file_path = "Tests/images/flower.jpg" - image = Image.open(file_path) - self.assertTrue('exif' in image.info) - test_buffer = BytesIO() +@mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" +) +def test_read_no_exif(): + file_path = "Tests/images/flower.jpg" + test_buffer = BytesIO() + with Image.open(file_path) as image: + assert "exif" in image.info image.save(test_buffer, "webp") - test_buffer.seek(0) - webp_image = Image.open(test_buffer) - - self.assertFalse(webp_image._getexif()) - - -if __name__ == '__main__': - unittest.main() + test_buffer.seek(0) + with Image.open(test_buffer) as webp_image: + assert not webp_image._getexif() + + +@skip_unless_feature("webp_anim") +def test_write_animated_metadata(tmp_path): + iccp_data = b"" + exif_data = b"" + xmp_data = b"" + + temp_file = str(tmp_path / "temp.webp") + with Image.open("Tests/images/anim_frame1.webp") as frame1: + with Image.open("Tests/images/anim_frame2.webp") as frame2: + frame1.save( + temp_file, + save_all=True, + append_images=[frame2, frame1, frame2], + icc_profile=iccp_data, + exif=exif_data, + xmp=xmp_data, + ) + + with Image.open(temp_file) as image: + assert "icc_profile" in image.info + assert "exif" in image.info + assert "xmp" in image.info + assert iccp_data == image.info.get("icc_profile", None) + assert exif_data == image.info.get("exif", None) + assert xmp_data == image.info.get("xmp", None) diff --git a/Tests/test_file_wmf.py b/Tests/test_file_wmf.py new file mode 100644 index 00000000000..3f8bc96ccdd --- /dev/null +++ b/Tests/test_file_wmf.py @@ -0,0 +1,69 @@ +import pytest + +from PIL import Image, WmfImagePlugin + +from .helper import assert_image_similar_tofile, hopper + + +def test_load_raw(): + + # Test basic EMF open and rendering + with Image.open("Tests/images/drawing.emf") as im: + if hasattr(Image.core, "drawwmf"): + # Currently, support for WMF/EMF is Windows-only + im.load() + # Compare to reference rendering + assert_image_similar_tofile(im, "Tests/images/drawing_emf_ref.png", 0) + + # Test basic WMF open and rendering + with Image.open("Tests/images/drawing.wmf") as im: + if hasattr(Image.core, "drawwmf"): + # Currently, support for WMF/EMF is Windows-only + im.load() + # Compare to reference rendering + assert_image_similar_tofile(im, "Tests/images/drawing_wmf_ref.png", 2.0) + + +def test_register_handler(tmp_path): + class TestHandler: + methodCalled = False + + def save(self, im, fp, filename): + self.methodCalled = True + + handler = TestHandler() + original_handler = WmfImagePlugin._handler + WmfImagePlugin.register_handler(handler) + + im = hopper() + tmpfile = str(tmp_path / "temp.wmf") + im.save(tmpfile) + assert handler.methodCalled + + # Restore the state before this test + WmfImagePlugin.register_handler(original_handler) + + +def test_load_float_dpi(): + with Image.open("Tests/images/drawing.emf") as im: + assert im.info["dpi"] == 1423.7668161434979 + + +def test_load_set_dpi(): + with Image.open("Tests/images/drawing.wmf") as im: + assert im.size == (82, 82) + + if hasattr(Image.core, "drawwmf"): + im.load(144) + assert im.size == (164, 164) + + assert_image_similar_tofile(im, "Tests/images/drawing_wmf_ref_144.png", 2.1) + + +def test_save(tmp_path): + im = hopper() + + for ext in [".wmf", ".emf"]: + tmpfile = str(tmp_path / ("temp" + ext)) + with pytest.raises(OSError): + im.save(tmpfile) diff --git a/Tests/test_file_xbm.py b/Tests/test_file_xbm.py index 398dae98c11..487920a9282 100644 --- a/Tests/test_file_xbm.py +++ b/Tests/test_file_xbm.py @@ -1,7 +1,11 @@ -from helper import unittest, PillowTestCase +from io import BytesIO + +import pytest from PIL import Image +from .helper import hopper + PIL151 = b""" #define basic_width 32 #define basic_height 32 @@ -26,41 +30,53 @@ """ -class TestFileXbm(PillowTestCase): +def test_pil151(): + with Image.open(BytesIO(PIL151)) as im: + im.load() + assert im.mode == "1" + assert im.size == (32, 32) - def test_pil151(self): - from io import BytesIO - im = Image.open(BytesIO(PIL151)) +def test_open(): + # Arrange + # Created with `convert hopper.png hopper.xbm` + filename = "Tests/images/hopper.xbm" + + # Act + with Image.open(filename) as im: + + # Assert + assert im.mode == "1" + assert im.size == (128, 128) - im.load() - self.assertEqual(im.mode, '1') - self.assertEqual(im.size, (32, 32)) - def test_open(self): - # Arrange - # Created with `convert hopper.png hopper.xbm` - filename = "Tests/images/hopper.xbm" +def test_open_filename_with_underscore(): + # Arrange + # Created with `convert hopper.png hopper_underscore.xbm` + filename = "Tests/images/hopper_underscore.xbm" - # Act - im = Image.open(filename) + # Act + with Image.open(filename) as im: # Assert - self.assertEqual(im.mode, '1') - self.assertEqual(im.size, (128, 128)) + assert im.mode == "1" + assert im.size == (128, 128) - def test_open_filename_with_underscore(self): - # Arrange - # Created with `convert hopper.png hopper_underscore.xbm` - filename = "Tests/images/hopper_underscore.xbm" - # Act - im = Image.open(filename) +def test_save_wrong_mode(tmp_path): + im = hopper() + out = str(tmp_path / "temp.xbm") - # Assert - self.assertEqual(im.mode, '1') - self.assertEqual(im.size, (128, 128)) + with pytest.raises(OSError): + im.save(out) + + +def test_hotspot(tmp_path): + im = hopper("1") + out = str(tmp_path / "temp.xbm") + hotspot = (0, 7) + im.save(out, hotspot=hotspot) -if __name__ == '__main__': - unittest.main() + with Image.open(out) as reloaded: + assert reloaded.info["hotspot"] == hotspot diff --git a/Tests/test_file_xpm.py b/Tests/test_file_xpm.py index 5940620bad6..8595b07eb91 100644 --- a/Tests/test_file_xpm.py +++ b/Tests/test_file_xpm.py @@ -1,40 +1,37 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image, XpmImagePlugin -# sample ppm stream -TEST_FILE = "Tests/images/hopper.xpm" +from .helper import assert_image_similar, hopper +TEST_FILE = "Tests/images/hopper.xpm" -class TestFileXpm(PillowTestCase): - def test_sanity(self): - im = Image.open(TEST_FILE) +def test_sanity(): + with Image.open(TEST_FILE) as im: im.load() - self.assertEqual(im.mode, "P") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "XPM") + assert im.mode == "P" + assert im.size == (128, 128) + assert im.format == "XPM" # large error due to quantization->44 colors. - self.assert_image_similar(im.convert('RGB'), hopper('RGB'), 60) + assert_image_similar(im.convert("RGB"), hopper("RGB"), 60) + - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - lambda: XpmImagePlugin.XpmImageFile(invalid_file)) + with pytest.raises(SyntaxError): + XpmImagePlugin.XpmImageFile(invalid_file) - def test_load_read(self): - # Arrange - im = Image.open(TEST_FILE) + +def test_load_read(): + # Arrange + with Image.open(TEST_FILE) as im: dummy_bytes = 1 # Act data = im.load_read(dummy_bytes) - # Assert - self.assertEqual(len(data), 16384) - - -if __name__ == '__main__': - unittest.main() + # Assert + assert len(data) == 16384 diff --git a/Tests/test_file_xvthumb.py b/Tests/test_file_xvthumb.py new file mode 100644 index 00000000000..ae53d2b6357 --- /dev/null +++ b/Tests/test_file_xvthumb.py @@ -0,0 +1,38 @@ +import pytest + +from PIL import Image, XVThumbImagePlugin + +from .helper import assert_image_similar, hopper + +TEST_FILE = "Tests/images/hopper.p7" + + +def test_open(): + # Act + with Image.open(TEST_FILE) as im: + + # Assert + assert im.format == "XVThumb" + + # Create a Hopper image with a similar XV palette + im_hopper = hopper().quantize(palette=im) + assert_image_similar(im, im_hopper, 9) + + +def test_unexpected_eof(): + # Test unexpected EOF reading XV thumbnail file + # Arrange + bad_file = "Tests/images/hopper_bad.p7" + + # Act / Assert + with pytest.raises(SyntaxError): + XVThumbImagePlugin.XVThumbImageFile(bad_file) + + +def test_invalid_file(): + # Arrange + invalid_file = "Tests/images/flower.jpg" + + # Act / Assert + with pytest.raises(SyntaxError): + XVThumbImagePlugin.XVThumbImageFile(invalid_file) diff --git a/Tests/test_font_bdf.py b/Tests/test_font_bdf.py index e3b7fbbd369..1e7caee3297 100644 --- a/Tests/test_font_bdf.py +++ b/Tests/test_font_bdf.py @@ -1,24 +1,19 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import FontFile, BdfFontFile +from PIL import BdfFontFile, FontFile filename = "Tests/images/courB08.bdf" -class TestFontBdf(PillowTestCase): - - def test_sanity(self): - - test_file = open(filename, "rb") +def test_sanity(): + with open(filename, "rb") as test_file: font = BdfFontFile.BdfFontFile(test_file) - self.assertIsInstance(font, FontFile.FontFile) - self.assertEqual(len([_f for _f in font.glyph if _f]), 190) - - def test_invalid_file(self): - with open("Tests/images/flower.jpg", "rb") as fp: - self.assertRaises(SyntaxError, lambda: BdfFontFile.BdfFontFile(fp)) + assert isinstance(font, FontFile.FontFile) + assert len([_f for _f in font.glyph if _f]) == 190 -if __name__ == '__main__': - unittest.main() +def test_invalid_file(): + with open("Tests/images/flower.jpg", "rb") as fp: + with pytest.raises(SyntaxError): + BdfFontFile.BdfFontFile(fp) diff --git a/Tests/test_font_leaks.py b/Tests/test_font_leaks.py new file mode 100644 index 00000000000..38f7ddac5de --- /dev/null +++ b/Tests/test_font_leaks.py @@ -0,0 +1,33 @@ +from PIL import Image, ImageDraw, ImageFont + +from .helper import PillowLeakTestCase, skip_unless_feature + + +class TestTTypeFontLeak(PillowLeakTestCase): + # fails at iteration 3 in main + iterations = 10 + mem_limit = 4096 # k + + def _test_font(self, font): + im = Image.new("RGB", (255, 255), "white") + draw = ImageDraw.ImageDraw(im) + self._test_leak( + lambda: draw.text( + (0, 0), "some text " * 1024, font=font, fill="black" # ~10k + ) + ) + + @skip_unless_feature("freetype2") + def test_leak(self): + ttype = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 20) + self._test_font(ttype) + + +class TestDefaultFontLeak(TestTTypeFontLeak): + # fails at iteration 37 in main + iterations = 100 + mem_limit = 1024 # k + + def test_leak(self): + default_font = ImageFont.load_default() + self._test_font(default_font) diff --git a/Tests/test_font_pcf.py b/Tests/test_font_pcf.py index 6afa9d4768d..288848f2619 100644 --- a/Tests/test_font_pcf.py +++ b/Tests/test_font_pcf.py @@ -1,66 +1,92 @@ -from helper import unittest, PillowTestCase +import os -from PIL import Image, FontFile, PcfFontFile -from PIL import ImageFont, ImageDraw +import pytest -codecs = dir(Image.core) +from PIL import FontFile, Image, ImageDraw, ImageFont, PcfFontFile -fontname = "Tests/fonts/helvO18.pcf" +from .helper import ( + assert_image_equal_tofile, + assert_image_similar_tofile, + skip_unless_feature, +) + +fontname = "Tests/fonts/10x20-ISO8859-1.pcf" message = "hello, world" -class TestFontPcf(PillowTestCase): +pytestmark = skip_unless_feature("zlib") - def setUp(self): - if "zip_encoder" not in codecs or "zip_decoder" not in codecs: - self.skipTest("zlib support not available") - def save_font(self): - test_file = open(fontname, "rb") +def save_font(request, tmp_path): + with open(fontname, "rb") as test_file: font = PcfFontFile.PcfFontFile(test_file) - self.assertIsInstance(font, FontFile.FontFile) - self.assertEqual(len([_f for _f in font.glyph if _f]), 192) + assert isinstance(font, FontFile.FontFile) + # check the number of characters in the font + assert len([_f for _f in font.glyph if _f]) == 223 + + tempname = str(tmp_path / "temp.pil") + + def delete_tempfile(): + try: + os.remove(tempname[:-4] + ".pbm") + except OSError: + pass # report? + + request.addfinalizer(delete_tempfile) + font.save(tempname) + + with Image.open(tempname.replace(".pil", ".pbm")) as loaded: + assert_image_equal_tofile(loaded, "Tests/fonts/10x20.pbm") + + with open(tempname, "rb") as f_loaded: + with open("Tests/fonts/10x20.pil", "rb") as f_target: + assert f_loaded.read() == f_target.read() + return tempname + - tempname = self.tempfile("temp.pil") - self.addCleanup(self.delete_tempfile, tempname[:-4]+'.pbm') - font.save(tempname) - return tempname +def test_sanity(request, tmp_path): + save_font(request, tmp_path) - def test_sanity(self): - self.save_font() - def test_invalid_file(self): - with open("Tests/images/flower.jpg", "rb") as fp: - self.assertRaises(SyntaxError, lambda: PcfFontFile.PcfFontFile(fp)) +def test_invalid_file(): + with open("Tests/images/flower.jpg", "rb") as fp: + with pytest.raises(SyntaxError): + PcfFontFile.PcfFontFile(fp) - def xtest_draw(self): - tempname = self.save_font() - font = ImageFont.load(tempname) - image = Image.new("L", font.getsize(message), "white") - draw = ImageDraw.Draw(image) - draw.text((0, 0), message, font=font) - # assert_signature(image, "7216c60f988dea43a46bb68321e3c1b03ec62aee") +def test_draw(request, tmp_path): + tempname = save_font(request, tmp_path) + font = ImageFont.load(tempname) + im = Image.new("L", (130, 30), "white") + draw = ImageDraw.Draw(im) + draw.text((0, 0), message, "black", font=font) + assert_image_similar_tofile(im, "Tests/images/test_draw_pbm_target.png", 0) - def _test_high_characters(self, message): - tempname = self.save_font() - font = ImageFont.load(tempname) - image = Image.new("L", font.getsize(message), "white") - draw = ImageDraw.Draw(image) - draw.text((0, 0), message, font=font) +def test_textsize(request, tmp_path): + tempname = save_font(request, tmp_path) + font = ImageFont.load(tempname) + for i in range(255): + (dx, dy) = font.getsize(chr(i)) + assert dy == 20 + assert dx in (0, 10) + for i in range(len(message)): + msg = message[: i + 1] + assert font.getsize(msg) == (len(msg) * 10, 20) - compare = Image.open('Tests/images/high_ascii_chars.png') - self.assert_image_equal(image, compare) - def test_high_characters(self): - message = "".join([chr(i+1) for i in range(140, 232)]) - self._test_high_characters(message) - # accept bytes instances in Py3. - if bytes is not str: - self._test_high_characters(message.encode('latin1')) +def _test_high_characters(request, tmp_path, message): + tempname = save_font(request, tmp_path) + font = ImageFont.load(tempname) + im = Image.new("L", (750, 30), "white") + draw = ImageDraw.Draw(im) + draw.text((0, 0), message, "black", font=font) + assert_image_similar_tofile(im, "Tests/images/high_ascii_chars.png", 0) -if __name__ == '__main__': - unittest.main() +def test_high_characters(request, tmp_path): + message = "".join(chr(i + 1) for i in range(140, 232)) + _test_high_characters(request, tmp_path, message) + # accept bytes instances. + _test_high_characters(request, tmp_path, message.encode("latin1")) diff --git a/Tests/test_font_pcf_charsets.py b/Tests/test_font_pcf_charsets.py new file mode 100644 index 00000000000..a1036fd28e6 --- /dev/null +++ b/Tests/test_font_pcf_charsets.py @@ -0,0 +1,122 @@ +import os + +from PIL import FontFile, Image, ImageDraw, ImageFont, PcfFontFile + +from .helper import ( + assert_image_equal_tofile, + assert_image_similar_tofile, + skip_unless_feature, +) + +fontname = "Tests/fonts/ter-x20b.pcf" + +charsets = { + "iso8859-1": { + "glyph_count": 223, + "message": "hello, world", + "image1": "Tests/images/test_draw_pbm_ter_en_target.png", + }, + "iso8859-2": { + "glyph_count": 223, + "message": "witaj świecie", + "image1": "Tests/images/test_draw_pbm_ter_pl_target.png", + }, + "cp1250": { + "glyph_count": 250, + "message": "witaj świecie", + "image1": "Tests/images/test_draw_pbm_ter_pl_target.png", + }, +} + + +pytestmark = skip_unless_feature("zlib") + + +def save_font(request, tmp_path, encoding): + with open(fontname, "rb") as test_file: + font = PcfFontFile.PcfFontFile(test_file, encoding) + assert isinstance(font, FontFile.FontFile) + # check the number of characters in the font + assert len([_f for _f in font.glyph if _f]) == charsets[encoding]["glyph_count"] + + tempname = str(tmp_path / "temp.pil") + + def delete_tempfile(): + try: + os.remove(tempname[:-4] + ".pbm") + except OSError: + pass # report? + + request.addfinalizer(delete_tempfile) + font.save(tempname) + + with Image.open(tempname.replace(".pil", ".pbm")) as loaded: + assert_image_equal_tofile(loaded, f"Tests/fonts/ter-x20b-{encoding}.pbm") + + with open(tempname, "rb") as f_loaded: + with open(f"Tests/fonts/ter-x20b-{encoding}.pil", "rb") as f_target: + assert f_loaded.read() == f_target.read() + return tempname + + +def _test_sanity(request, tmp_path, encoding): + save_font(request, tmp_path, encoding) + + +def test_sanity_iso8859_1(request, tmp_path): + _test_sanity(request, tmp_path, "iso8859-1") + + +def test_sanity_iso8859_2(request, tmp_path): + _test_sanity(request, tmp_path, "iso8859-2") + + +def test_sanity_cp1250(request, tmp_path): + _test_sanity(request, tmp_path, "cp1250") + + +def _test_draw(request, tmp_path, encoding): + tempname = save_font(request, tmp_path, encoding) + font = ImageFont.load(tempname) + im = Image.new("L", (150, 30), "white") + draw = ImageDraw.Draw(im) + message = charsets[encoding]["message"].encode(encoding) + draw.text((0, 0), message, "black", font=font) + assert_image_similar_tofile(im, charsets[encoding]["image1"], 0) + + +def test_draw_iso8859_1(request, tmp_path): + _test_draw(request, tmp_path, "iso8859-1") + + +def test_draw_iso8859_2(request, tmp_path): + _test_draw(request, tmp_path, "iso8859-2") + + +def test_draw_cp1250(request, tmp_path): + _test_draw(request, tmp_path, "cp1250") + + +def _test_textsize(request, tmp_path, encoding): + tempname = save_font(request, tmp_path, encoding) + font = ImageFont.load(tempname) + for i in range(255): + (dx, dy) = font.getsize(bytearray([i])) + assert dy == 20 + assert dx in (0, 10) + message = charsets[encoding]["message"].encode(encoding) + for i in range(len(message)): + msg = message[: i + 1] + assert font.getsize(msg) == (len(msg) * 10, 20) + + +def test_textsize_iso8859_1(request, tmp_path): + _test_textsize(request, tmp_path, "iso8859-1") + + +def test_textsize_iso8859_2(request, tmp_path): + _test_textsize(request, tmp_path, "iso8859-2") + + +def test_textsize_cp1250(request, tmp_path): + _test_textsize(request, tmp_path, "cp1250") diff --git a/Tests/test_format_hsv.py b/Tests/test_format_hsv.py index e32f1c047e5..3b9c8b07146 100644 --- a/Tests/test_format_hsv.py +++ b/Tests/test_format_hsv.py @@ -1,168 +1,151 @@ -from __future__ import print_function -from helper import unittest, PillowTestCase, hopper - -from PIL import Image - import colorsys import itertools +from PIL import Image -class TestFormatHSV(PillowTestCase): - - def int_to_float(self, i): - return float(i)/255.0 - - def str_to_float(self, i): - - return float(ord(i))/255.0 - - def to_int(self, f): - return int(f*255.0) - - def tuple_to_ints(self, tp): - x, y, z = tp - return (int(x*255.0), int(y*255.0), int(z*255.0)) - - def test_sanity(self): - Image.new('HSV', (100, 100)) +from .helper import assert_image_similar, hopper - def wedge(self): - w = Image._wedge() - w90 = w.rotate(90) - (px, h) = w.size +def int_to_float(i): + return i / 255 - r = Image.new('L', (px*3, h)) - g = r.copy() - b = r.copy() - r.paste(w, (0, 0)) - r.paste(w90, (px, 0)) +def str_to_float(i): + return ord(i) / 255 - g.paste(w90, (0, 0)) - g.paste(w, (2*px, 0)) - b.paste(w, (px, 0)) - b.paste(w90, (2*px, 0)) +def tuple_to_ints(tp): + x, y, z = tp + return int(x * 255.0), int(y * 255.0), int(z * 255.0) - img = Image.merge('RGB', (r, g, b)) - # print (("%d, %d -> "% (int(1.75*px),int(.25*px))) + \ - # "(%s, %s, %s)"%img.getpixel((1.75*px, .25*px))) - # print (("%d, %d -> "% (int(.75*px),int(.25*px))) + \ - # "(%s, %s, %s)"%img.getpixel((.75*px, .25*px))) - return img +def test_sanity(): + Image.new("HSV", (100, 100)) - def to_xxx_colorsys(self, im, func, mode): - # convert the hard way using the library colorsys routines. - (r, g, b) = im.split() +def wedge(): + w = Image._wedge() + w90 = w.rotate(90) - if bytes is str: - conv_func = self.str_to_float - else: - conv_func = self.int_to_float + (px, h) = w.size - if hasattr(itertools, 'izip'): - iter_helper = itertools.izip - else: - iter_helper = itertools.zip_longest + r = Image.new("L", (px * 3, h)) + g = r.copy() + b = r.copy() - converted = [self.tuple_to_ints(func(conv_func(_r), conv_func(_g), - conv_func(_b))) - for (_r, _g, _b) in iter_helper(r.tobytes(), g.tobytes(), - b.tobytes())] + r.paste(w, (0, 0)) + r.paste(w90, (px, 0)) - if str is bytes: - new_bytes = b''.join(chr(h)+chr(s)+chr(v) for ( - h, s, v) in converted) - else: - new_bytes = b''.join(bytes(chr(h)+chr(s)+chr(v), 'latin-1') for ( - h, s, v) in converted) + g.paste(w90, (0, 0)) + g.paste(w, (2 * px, 0)) - hsv = Image.frombytes(mode, r.size, new_bytes) + b.paste(w, (px, 0)) + b.paste(w90, (2 * px, 0)) - return hsv + img = Image.merge("RGB", (r, g, b)) - def to_hsv_colorsys(self, im): - return self.to_xxx_colorsys(im, colorsys.rgb_to_hsv, 'HSV') + return img - def to_rgb_colorsys(self, im): - return self.to_xxx_colorsys(im, colorsys.hsv_to_rgb, 'RGB') - def test_wedge(self): - src = self.wedge().resize((3*32, 32), Image.BILINEAR) - im = src.convert('HSV') - comparable = self.to_hsv_colorsys(src) +def to_xxx_colorsys(im, func, mode): + # convert the hard way using the library colorsys routines. - # print (im.getpixel((448, 64))) - # print (comparable.getpixel((448, 64))) + (r, g, b) = im.split() - # print(im.split()[0].histogram()) - # print(comparable.split()[0].histogram()) + conv_func = int_to_float - # im.split()[0].show() - # comparable.split()[0].show() + converted = [ + tuple_to_ints(func(conv_func(_r), conv_func(_g), conv_func(_b))) + for (_r, _g, _b) in itertools.zip_longest(r.tobytes(), g.tobytes(), b.tobytes()) + ] - self.assert_image_similar(im.split()[0], comparable.split()[0], - 1, "Hue conversion is wrong") - self.assert_image_similar(im.split()[1], comparable.split()[1], - 1, "Saturation conversion is wrong") - self.assert_image_similar(im.split()[2], comparable.split()[2], - 1, "Value conversion is wrong") + new_bytes = b"".join( + bytes(chr(h) + chr(s) + chr(v), "latin-1") for (h, s, v) in converted + ) - # print (im.getpixel((192, 64))) + hsv = Image.frombytes(mode, r.size, new_bytes) - comparable = src - im = im.convert('RGB') + return hsv - # im.split()[0].show() - # comparable.split()[0].show() - # print (im.getpixel((192, 64))) - # print (comparable.getpixel((192, 64))) - self.assert_image_similar(im.split()[0], comparable.split()[0], - 3, "R conversion is wrong") - self.assert_image_similar(im.split()[1], comparable.split()[1], - 3, "G conversion is wrong") - self.assert_image_similar(im.split()[2], comparable.split()[2], - 3, "B conversion is wrong") +def to_hsv_colorsys(im): + return to_xxx_colorsys(im, colorsys.rgb_to_hsv, "HSV") - def test_convert(self): - im = hopper('RGB').convert('HSV') - comparable = self.to_hsv_colorsys(hopper('RGB')) -# print ([ord(x) for x in im.split()[0].tobytes()[:80]]) -# print ([ord(x) for x in comparable.split()[0].tobytes()[:80]]) +def to_rgb_colorsys(im): + return to_xxx_colorsys(im, colorsys.hsv_to_rgb, "RGB") -# print(im.split()[0].histogram()) -# print(comparable.split()[0].histogram()) - self.assert_image_similar(im.split()[0], comparable.split()[0], - 1, "Hue conversion is wrong") - self.assert_image_similar(im.split()[1], comparable.split()[1], - 1, "Saturation conversion is wrong") - self.assert_image_similar(im.split()[2], comparable.split()[2], - 1, "Value conversion is wrong") +def test_wedge(): + src = wedge().resize((3 * 32, 32), Image.BILINEAR) + im = src.convert("HSV") + comparable = to_hsv_colorsys(src) - def test_hsv_to_rgb(self): - comparable = self.to_hsv_colorsys(hopper('RGB')) - converted = comparable.convert('RGB') - comparable = self.to_rgb_colorsys(comparable) + assert_image_similar( + im.getchannel(0), comparable.getchannel(0), 1, "Hue conversion is wrong" + ) + assert_image_similar( + im.getchannel(1), + comparable.getchannel(1), + 1, + "Saturation conversion is wrong", + ) + assert_image_similar( + im.getchannel(2), comparable.getchannel(2), 1, "Value conversion is wrong" + ) - # print(converted.split()[1].histogram()) - # print(target.split()[1].histogram()) + comparable = src + im = im.convert("RGB") - # print ([ord(x) for x in target.split()[1].tobytes()[:80]]) - # print ([ord(x) for x in converted.split()[1].tobytes()[:80]]) + assert_image_similar( + im.getchannel(0), comparable.getchannel(0), 3, "R conversion is wrong" + ) + assert_image_similar( + im.getchannel(1), comparable.getchannel(1), 3, "G conversion is wrong" + ) + assert_image_similar( + im.getchannel(2), comparable.getchannel(2), 3, "B conversion is wrong" + ) - self.assert_image_similar(converted.split()[0], comparable.split()[0], - 3, "R conversion is wrong") - self.assert_image_similar(converted.split()[1], comparable.split()[1], - 3, "G conversion is wrong") - self.assert_image_similar(converted.split()[2], comparable.split()[2], - 3, "B conversion is wrong") +def test_convert(): + im = hopper("RGB").convert("HSV") + comparable = to_hsv_colorsys(hopper("RGB")) -if __name__ == '__main__': - unittest.main() + assert_image_similar( + im.getchannel(0), comparable.getchannel(0), 1, "Hue conversion is wrong" + ) + assert_image_similar( + im.getchannel(1), + comparable.getchannel(1), + 1, + "Saturation conversion is wrong", + ) + assert_image_similar( + im.getchannel(2), comparable.getchannel(2), 1, "Value conversion is wrong" + ) + + +def test_hsv_to_rgb(): + comparable = to_hsv_colorsys(hopper("RGB")) + converted = comparable.convert("RGB") + comparable = to_rgb_colorsys(comparable) + + assert_image_similar( + converted.getchannel(0), + comparable.getchannel(0), + 3, + "R conversion is wrong", + ) + assert_image_similar( + converted.getchannel(1), + comparable.getchannel(1), + 3, + "G conversion is wrong", + ) + assert_image_similar( + converted.getchannel(2), + comparable.getchannel(2), + 3, + "B conversion is wrong", + ) diff --git a/Tests/test_format_lab.py b/Tests/test_format_lab.py index a243afe626a..41c8efdf316 100644 --- a/Tests/test_format_lab.py +++ b/Tests/test_format_lab.py @@ -1,46 +1,38 @@ -from helper import unittest, PillowTestCase - from PIL import Image -class TestFormatLab(PillowTestCase): - - def test_white(self): - i = Image.open('Tests/images/lab.tif') - +def test_white(): + with Image.open("Tests/images/lab.tif") as i: i.load() - self.assertEqual(i.mode, 'LAB') + assert i.mode == "LAB" - self.assertEqual(i.getbands(), ('L', 'A', 'B')) + assert i.getbands() == ("L", "A", "B") k = i.getpixel((0, 0)) - self.assertEqual(k, (255, 128, 128)) L = i.getdata(0) a = i.getdata(1) b = i.getdata(2) - self.assertEqual(list(L), [255]*100) - self.assertEqual(list(a), [128]*100) - self.assertEqual(list(b), [128]*100) + assert k == (255, 128, 128) - def test_green(self): - # l= 50 (/100), a = -100 (-128 .. 128) b=0 in PS - # == RGB: 0, 152, 117 - i = Image.open('Tests/images/lab-green.tif') + assert list(L) == [255] * 100 + assert list(a) == [128] * 100 + assert list(b) == [128] * 100 - k = i.getpixel((0, 0)) - self.assertEqual(k, (128, 28, 128)) - - def test_red(self): - # l= 50 (/100), a = 100 (-128 .. 128) b=0 in PS - # == RGB: 255, 0, 124 - i = Image.open('Tests/images/lab-red.tif') +def test_green(): + # l= 50 (/100), a = -100 (-128 .. 128) b=0 in PS + # == RGB: 0, 152, 117 + with Image.open("Tests/images/lab-green.tif") as i: k = i.getpixel((0, 0)) - self.assertEqual(k, (128, 228, 128)) + assert k == (128, 28, 128) -if __name__ == '__main__': - unittest.main() +def test_red(): + # l= 50 (/100), a = 100 (-128 .. 128) b=0 in PS + # == RGB: 255, 0, 124 + with Image.open("Tests/images/lab-red.tif") as i: + k = i.getpixel((0, 0)) + assert k == (128, 228, 128) diff --git a/Tests/test_image.py b/Tests/test_image.py index 6b24a988b45..4dde66f11a1 100644 --- a/Tests/test_image.py +++ b/Tests/test_image.py @@ -1,103 +1,230 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import Image +import io import os +import shutil import sys - - -class TestImage(PillowTestCase): +import tempfile + +import pytest + +from PIL import Image, ImageDraw, ImagePalette, UnidentifiedImageError + +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar_tofile, + assert_not_all_same, + hopper, + is_win32, + mark_if_feature_version, + skip_unless_feature, +) + + +class TestImage: + def test_image_modes_success(self): + for mode in [ + "1", + "P", + "PA", + "L", + "LA", + "La", + "F", + "I", + "I;16", + "I;16L", + "I;16B", + "I;16N", + "RGB", + "RGBX", + "RGBA", + "RGBa", + "CMYK", + "YCbCr", + "LAB", + "HSV", + ]: + Image.new(mode, (1, 1)) + + def test_image_modes_fail(self): + for mode in [ + "", + "bad", + "very very long", + "BGR;15", + "BGR;16", + "BGR;24", + "BGR;32", + ]: + with pytest.raises(ValueError) as e: + Image.new(mode, (1, 1)) + assert str(e.value) == "unrecognized image mode" + + def test_exception_inheritance(self): + assert issubclass(UnidentifiedImageError, OSError) def test_sanity(self): im = Image.new("L", (100, 100)) - self.assertEqual( - repr(im)[:45], " Qt + intermediate = expected.toqimage() + # Qt -> PIL + result = ImageQt.fromqimage(intermediate) + + if intermediate.hasAlphaChannel(): + assert_image_equal(result, expected.convert("RGBA")) + else: + assert_image_equal(result, expected.convert("RGB")) + - def roundtrip(self, expected): - # PIL -> Qt - intermediate = expected.toqimage() - # Qt -> PIL - result = ImageQt.fromqimage(intermediate) +def test_sanity_1(test_images): + for im in test_images: + roundtrip(im.convert("1")) - if intermediate.hasAlphaChannel(): - self.assert_image_equal(result, expected.convert('RGBA')) - else: - self.assert_image_equal(result, expected.convert('RGB')) - def test_sanity_1(self): - for im in self.files_to_test: - self.roundtrip(im.convert('1')) +def test_sanity_rgb(test_images): + for im in test_images: + roundtrip(im.convert("RGB")) - def test_sanity_rgb(self): - for im in self.files_to_test: - self.roundtrip(im.convert('RGB')) - def test_sanity_rgba(self): - for im in self.files_to_test: - self.roundtrip(im.convert('RGBA')) +def test_sanity_rgba(test_images): + for im in test_images: + roundtrip(im.convert("RGBA")) - def test_sanity_l(self): - for im in self.files_to_test: - self.roundtrip(im.convert('L')) - def test_sanity_p(self): - for im in self.files_to_test: - self.roundtrip(im.convert('P')) +def test_sanity_l(test_images): + for im in test_images: + roundtrip(im.convert("L")) -if __name__ == '__main__': - unittest.main() +def test_sanity_p(test_images): + for im in test_images: + roundtrip(im.convert("P")) diff --git a/Tests/test_image_fromqpixmap.py b/Tests/test_image_fromqpixmap.py deleted file mode 100644 index 543b74bbf24..00000000000 --- a/Tests/test_image_fromqpixmap.py +++ /dev/null @@ -1,32 +0,0 @@ -from helper import unittest, PillowTestCase, hopper -from test_imageqt import PillowQtTestCase, PillowQPixmapTestCase - -from PIL import ImageQt - - -class TestFromQPixmap(PillowQPixmapTestCase, PillowTestCase): - - def roundtrip(self, expected): - PillowQtTestCase.setUp(self) - result = ImageQt.fromqpixmap(ImageQt.toqpixmap(expected)) - # Qt saves all pixmaps as rgb - self.assert_image_equal(result, expected.convert('RGB')) - - def test_sanity_1(self): - self.roundtrip(hopper('1')) - - def test_sanity_rgb(self): - self.roundtrip(hopper('RGB')) - - def test_sanity_rgba(self): - self.roundtrip(hopper('RGBA')) - - def test_sanity_l(self): - self.roundtrip(hopper('L')) - - def test_sanity_p(self): - self.roundtrip(hopper('P')) - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_image_getbands.py b/Tests/test_image_getbands.py index 5eecbf044b5..08fc12c1cf4 100644 --- a/Tests/test_image_getbands.py +++ b/Tests/test_image_getbands.py @@ -1,24 +1,13 @@ -from helper import unittest, PillowTestCase - from PIL import Image -class TestImageGetBands(PillowTestCase): - - def test_getbands(self): - self.assertEqual(Image.new("1", (1, 1)).getbands(), ("1",)) - self.assertEqual(Image.new("L", (1, 1)).getbands(), ("L",)) - self.assertEqual(Image.new("I", (1, 1)).getbands(), ("I",)) - self.assertEqual(Image.new("F", (1, 1)).getbands(), ("F",)) - self.assertEqual(Image.new("P", (1, 1)).getbands(), ("P",)) - self.assertEqual(Image.new("RGB", (1, 1)).getbands(), ("R", "G", "B")) - self.assertEqual( - Image.new("RGBA", (1, 1)).getbands(), ("R", "G", "B", "A")) - self.assertEqual( - Image.new("CMYK", (1, 1)).getbands(), ("C", "M", "Y", "K")) - self.assertEqual( - Image.new("YCbCr", (1, 1)).getbands(), ("Y", "Cb", "Cr")) - - -if __name__ == '__main__': - unittest.main() +def test_getbands(): + assert Image.new("1", (1, 1)).getbands() == ("1",) + assert Image.new("L", (1, 1)).getbands() == ("L",) + assert Image.new("I", (1, 1)).getbands() == ("I",) + assert Image.new("F", (1, 1)).getbands() == ("F",) + assert Image.new("P", (1, 1)).getbands() == ("P",) + assert Image.new("RGB", (1, 1)).getbands() == ("R", "G", "B") + assert Image.new("RGBA", (1, 1)).getbands() == ("R", "G", "B", "A") + assert Image.new("CMYK", (1, 1)).getbands() == ("C", "M", "Y", "K") + assert Image.new("YCbCr", (1, 1)).getbands() == ("Y", "Cb", "Cr") diff --git a/Tests/test_image_getbbox.py b/Tests/test_image_getbbox.py index 116f2649753..c86e33eb2fb 100644 --- a/Tests/test_image_getbbox.py +++ b/Tests/test_image_getbbox.py @@ -1,43 +1,41 @@ -from helper import unittest, PillowTestCase, hopper - from PIL import Image +from .helper import hopper -class TestImageGetBbox(PillowTestCase): - - def test_sanity(self): - - bbox = hopper().getbbox() - self.assertIsInstance(bbox, tuple) - def test_bbox(self): +def test_sanity(): - # 8-bit mode - im = Image.new("L", (100, 100), 0) - self.assertEqual(im.getbbox(), None) + bbox = hopper().getbbox() + assert isinstance(bbox, tuple) - im.paste(255, (10, 25, 90, 75)) - self.assertEqual(im.getbbox(), (10, 25, 90, 75)) - im.paste(255, (25, 10, 75, 90)) - self.assertEqual(im.getbbox(), (10, 10, 90, 90)) +def test_bbox(): + def check(im, fill_color): + assert im.getbbox() is None - im.paste(255, (-10, -10, 110, 110)) - self.assertEqual(im.getbbox(), (0, 0, 100, 100)) + im.paste(fill_color, (10, 25, 90, 75)) + assert im.getbbox() == (10, 25, 90, 75) - # 32-bit mode - im = Image.new("RGB", (100, 100), 0) - self.assertEqual(im.getbbox(), None) + im.paste(fill_color, (25, 10, 75, 90)) + assert im.getbbox() == (10, 10, 90, 90) - im.paste(255, (10, 25, 90, 75)) - self.assertEqual(im.getbbox(), (10, 25, 90, 75)) + im.paste(fill_color, (-10, -10, 110, 110)) + assert im.getbbox() == (0, 0, 100, 100) - im.paste(255, (25, 10, 75, 90)) - self.assertEqual(im.getbbox(), (10, 10, 90, 90)) + # 8-bit mode + im = Image.new("L", (100, 100), 0) + check(im, 255) - im.paste(255, (-10, -10, 110, 110)) - self.assertEqual(im.getbbox(), (0, 0, 100, 100)) + # 32-bit mode + im = Image.new("RGB", (100, 100), 0) + check(im, 255) + for mode in ("RGBA", "RGBa"): + for color in ((0, 0, 0, 0), (127, 127, 127, 0), (255, 255, 255, 0)): + im = Image.new(mode, (100, 100), color) + check(im, (255, 255, 255, 255)) -if __name__ == '__main__': - unittest.main() + for mode in ("La", "LA", "PA"): + for color in ((0, 0), (127, 0), (255, 0)): + im = Image.new(mode, (100, 100), color) + check(im, (255, 255)) diff --git a/Tests/test_image_getcolors.py b/Tests/test_image_getcolors.py index a6a20b28843..e5b6a772462 100644 --- a/Tests/test_image_getcolors.py +++ b/Tests/test_image_getcolors.py @@ -1,71 +1,68 @@ -from helper import unittest, PillowTestCase, hopper +from .helper import hopper -class TestImageGetColors(PillowTestCase): +def test_getcolors(): + def getcolors(mode, limit=None): + im = hopper(mode) + if limit: + colors = im.getcolors(limit) + else: + colors = im.getcolors() + if colors: + return len(colors) + return None - def test_getcolors(self): + assert getcolors("1") == 2 + assert getcolors("L") == 255 + assert getcolors("I") == 255 + assert getcolors("F") == 255 + assert getcolors("P") == 90 # fixed palette + assert getcolors("RGB") is None + assert getcolors("RGBA") is None + assert getcolors("CMYK") is None + assert getcolors("YCbCr") is None - def getcolors(mode, limit=None): - im = hopper(mode) - if limit: - colors = im.getcolors(limit) - else: - colors = im.getcolors() - if colors: - return len(colors) - return None + assert getcolors("L", 128) is None + assert getcolors("L", 1024) == 255 - self.assertEqual(getcolors("1"), 2) - self.assertEqual(getcolors("L"), 255) - self.assertEqual(getcolors("I"), 255) - self.assertEqual(getcolors("F"), 255) - self.assertEqual(getcolors("P"), 90) # fixed palette - self.assertEqual(getcolors("RGB"), None) - self.assertEqual(getcolors("RGBA"), None) - self.assertEqual(getcolors("CMYK"), None) - self.assertEqual(getcolors("YCbCr"), None) + assert getcolors("RGB", 8192) is None + assert getcolors("RGB", 16384) == 10100 + assert getcolors("RGB", 100000) == 10100 - self.assertEqual(getcolors("L", 128), None) - self.assertEqual(getcolors("L", 1024), 255) + assert getcolors("RGBA", 16384) == 10100 + assert getcolors("CMYK", 16384) == 10100 + assert getcolors("YCbCr", 16384) == 9329 - self.assertEqual(getcolors("RGB", 8192), None) - self.assertEqual(getcolors("RGB", 16384), 10100) - self.assertEqual(getcolors("RGB", 100000), 10100) - self.assertEqual(getcolors("RGBA", 16384), 10100) - self.assertEqual(getcolors("CMYK", 16384), 10100) - self.assertEqual(getcolors("YCbCr", 16384), 9329) +# -------------------------------------------------------------------- - # -------------------------------------------------------------------- - def test_pack(self): - # Pack problems for small tables (@PIL209) +def test_pack(): + # Pack problems for small tables (@PIL209) - im = hopper().quantize(3).convert("RGB") + im = hopper().quantize(3).convert("RGB") - expected = [(4039, (172, 166, 181)), - (4385, (124, 113, 134)), - (7960, (31, 20, 33))] + expected = [ + (4039, (172, 166, 181)), + (4385, (124, 113, 134)), + (7960, (31, 20, 33)), + ] - A = im.getcolors(maxcolors=2) - self.assertEqual(A, None) + A = im.getcolors(maxcolors=2) + assert A is None - A = im.getcolors(maxcolors=3) - A.sort() - self.assertEqual(A, expected) + A = im.getcolors(maxcolors=3) + A.sort() + assert A == expected - A = im.getcolors(maxcolors=4) - A.sort() - self.assertEqual(A, expected) + A = im.getcolors(maxcolors=4) + A.sort() + assert A == expected - A = im.getcolors(maxcolors=8) - A.sort() - self.assertEqual(A, expected) + A = im.getcolors(maxcolors=8) + A.sort() + assert A == expected - A = im.getcolors(maxcolors=16) - A.sort() - self.assertEqual(A, expected) - - -if __name__ == '__main__': - unittest.main() + A = im.getcolors(maxcolors=16) + A.sort() + assert A == expected diff --git a/Tests/test_image_getdata.py b/Tests/test_image_getdata.py index ef07844df5e..159efd78aa2 100644 --- a/Tests/test_image_getdata.py +++ b/Tests/test_image_getdata.py @@ -1,33 +1,28 @@ -from helper import unittest, PillowTestCase, hopper +from PIL import Image +from .helper import hopper -class TestImageGetData(PillowTestCase): - def test_sanity(self): +def test_sanity(): + data = hopper().getdata() - data = hopper().getdata() + len(data) + list(data) - len(data) - list(data) + assert data[0] == (20, 20, 70) - self.assertEqual(data[0], (20, 20, 70)) - def test_roundtrip(self): +def test_roundtrip(): + def getdata(mode): + im = hopper(mode).resize((32, 30), Image.NEAREST) + data = im.getdata() + return data[0], len(data), len(list(data)) - def getdata(mode): - im = hopper(mode).resize((32, 30)) - data = im.getdata() - return data[0], len(data), len(list(data)) - - self.assertEqual(getdata("1"), (0, 960, 960)) - self.assertEqual(getdata("L"), (16, 960, 960)) - self.assertEqual(getdata("I"), (16, 960, 960)) - self.assertEqual(getdata("F"), (16.0, 960, 960)) - self.assertEqual(getdata("RGB"), (((11, 13, 52), 960, 960))) - self.assertEqual(getdata("RGBA"), ((11, 13, 52, 255), 960, 960)) - self.assertEqual(getdata("CMYK"), ((244, 242, 203, 0), 960, 960)) - self.assertEqual(getdata("YCbCr"), ((16, 147, 123), 960, 960)) - - -if __name__ == '__main__': - unittest.main() + assert getdata("1") == (0, 960, 960) + assert getdata("L") == (17, 960, 960) + assert getdata("I") == (17, 960, 960) + assert getdata("F") == (17.0, 960, 960) + assert getdata("RGB") == ((11, 13, 52), 960, 960) + assert getdata("RGBA") == ((11, 13, 52, 255), 960, 960) + assert getdata("CMYK") == ((244, 242, 203, 0), 960, 960) + assert getdata("YCbCr") == ((16, 147, 123), 960, 960) diff --git a/Tests/test_image_getextrema.py b/Tests/test_image_getextrema.py index 0b0c31b866b..710794da426 100644 --- a/Tests/test_image_getextrema.py +++ b/Tests/test_image_getextrema.py @@ -1,25 +1,25 @@ -from helper import unittest, PillowTestCase, hopper +from PIL import Image +from .helper import hopper -class TestImageGetExtrema(PillowTestCase): - def test_extrema(self): +def test_extrema(): + def extrema(mode): + return hopper(mode).getextrema() - def extrema(mode): - return hopper(mode).getextrema() + assert extrema("1") == (0, 255) + assert extrema("L") == (1, 255) + assert extrema("I") == (1, 255) + assert extrema("F") == (1, 255) + assert extrema("P") == (0, 225) # fixed palette + assert extrema("RGB") == ((0, 255), (0, 255), (0, 255)) + assert extrema("RGBA") == ((0, 255), (0, 255), (0, 255), (255, 255)) + assert extrema("CMYK") == ((0, 255), (0, 255), (0, 255), (0, 0)) + assert extrema("I;16") == (1, 255) - self.assertEqual(extrema("1"), (0, 255)) - self.assertEqual(extrema("L"), (0, 255)) - self.assertEqual(extrema("I"), (0, 255)) - self.assertEqual(extrema("F"), (0, 255)) - self.assertEqual(extrema("P"), (0, 225)) # fixed palette - self.assertEqual( - extrema("RGB"), ((0, 255), (0, 255), (0, 255))) - self.assertEqual( - extrema("RGBA"), ((0, 255), (0, 255), (0, 255), (255, 255))) - self.assertEqual( - extrema("CMYK"), (((0, 255), (0, 255), (0, 255), (0, 0)))) - -if __name__ == '__main__': - unittest.main() +def test_true_16(): + with Image.open("Tests/images/16_bit_noise.tif") as im: + assert im.mode == "I;16" + extrema = im.getextrema() + assert extrema == (106, 285) diff --git a/Tests/test_image_getim.py b/Tests/test_image_getim.py index c67118b5852..746e63b1551 100644 --- a/Tests/test_image_getim.py +++ b/Tests/test_image_getim.py @@ -1,24 +1,9 @@ -from helper import unittest, PillowTestCase, hopper, py3 -import sys +from .helper import hopper -class TestImageGetIm(PillowTestCase): +def test_sanity(): + im = hopper() + type_repr = repr(type(im.getim())) - def test_sanity(self): - im = hopper() - type_repr = repr(type(im.getim())) - - if py3: - self.assertIn("PyCapsule", type_repr) - - if sys.hexversion < 0x2070000: - # py2.6 x64, windows - target_types = (int, long) - else: - target_types = (int) - - self.assertIsInstance(im.im.id, target_types) - - -if __name__ == '__main__': - unittest.main() + assert "PyCapsule" in type_repr + assert isinstance(im.im.id, int) diff --git a/Tests/test_image_getpalette.py b/Tests/test_image_getpalette.py index 14ecddbbfc4..1818adca234 100644 --- a/Tests/test_image_getpalette.py +++ b/Tests/test_image_getpalette.py @@ -1,24 +1,19 @@ -from helper import unittest, PillowTestCase, hopper +from .helper import hopper -class TestImageGetPalette(PillowTestCase): +def test_palette(): + def palette(mode): + p = hopper(mode).getpalette() + if p: + return p[:10] + return None - def test_palette(self): - def palette(mode): - p = hopper(mode).getpalette() - if p: - return p[:10] - return None - self.assertEqual(palette("1"), None) - self.assertEqual(palette("L"), None) - self.assertEqual(palette("I"), None) - self.assertEqual(palette("F"), None) - self.assertEqual(palette("P"), [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) - self.assertEqual(palette("RGB"), None) - self.assertEqual(palette("RGBA"), None) - self.assertEqual(palette("CMYK"), None) - self.assertEqual(palette("YCbCr"), None) - - -if __name__ == '__main__': - unittest.main() + assert palette("1") is None + assert palette("L") is None + assert palette("I") is None + assert palette("F") is None + assert palette("P") == [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] + assert palette("RGB") is None + assert palette("RGBA") is None + assert palette("CMYK") is None + assert palette("YCbCr") is None diff --git a/Tests/test_image_getprojection.py b/Tests/test_image_getprojection.py index 9d3f2d9edc0..f65d40708b1 100644 --- a/Tests/test_image_getprojection.py +++ b/Tests/test_image_getprojection.py @@ -1,36 +1,29 @@ -from helper import unittest, PillowTestCase, hopper - from PIL import Image +from .helper import hopper -class TestImageGetProjection(PillowTestCase): - - def test_sanity(self): - - im = hopper() - - projection = im.getprojection() - self.assertEqual(len(projection), 2) - self.assertEqual(len(projection[0]), im.size[0]) - self.assertEqual(len(projection[1]), im.size[1]) +def test_sanity(): + im = hopper() - # 8-bit image - im = Image.new("L", (10, 10)) - self.assertEqual(im.getprojection()[0], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) - self.assertEqual(im.getprojection()[1], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) - im.paste(255, (2, 4, 8, 6)) - self.assertEqual(im.getprojection()[0], [0, 0, 1, 1, 1, 1, 1, 1, 0, 0]) - self.assertEqual(im.getprojection()[1], [0, 0, 0, 0, 1, 1, 0, 0, 0, 0]) + projection = im.getprojection() - # 32-bit image - im = Image.new("RGB", (10, 10)) - self.assertEqual(im.getprojection()[0], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) - self.assertEqual(im.getprojection()[1], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) - im.paste(255, (2, 4, 8, 6)) - self.assertEqual(im.getprojection()[0], [0, 0, 1, 1, 1, 1, 1, 1, 0, 0]) - self.assertEqual(im.getprojection()[1], [0, 0, 0, 0, 1, 1, 0, 0, 0, 0]) + assert len(projection) == 2 + assert len(projection[0]) == im.size[0] + assert len(projection[1]) == im.size[1] + # 8-bit image + im = Image.new("L", (10, 10)) + assert im.getprojection()[0] == [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] + assert im.getprojection()[1] == [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] + im.paste(255, (2, 4, 8, 6)) + assert im.getprojection()[0] == [0, 0, 1, 1, 1, 1, 1, 1, 0, 0] + assert im.getprojection()[1] == [0, 0, 0, 0, 1, 1, 0, 0, 0, 0] -if __name__ == '__main__': - unittest.main() + # 32-bit image + im = Image.new("RGB", (10, 10)) + assert im.getprojection()[0] == [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] + assert im.getprojection()[1] == [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] + im.paste(255, (2, 4, 8, 6)) + assert im.getprojection()[0] == [0, 0, 1, 1, 1, 1, 1, 1, 0, 0] + assert im.getprojection()[1] == [0, 0, 0, 0, 1, 1, 0, 0, 0, 0] diff --git a/Tests/test_image_histogram.py b/Tests/test_image_histogram.py index 892e89328fd..91e02973d04 100644 --- a/Tests/test_image_histogram.py +++ b/Tests/test_image_histogram.py @@ -1,24 +1,17 @@ -from helper import unittest, PillowTestCase, hopper +from .helper import hopper -class TestImageHistogram(PillowTestCase): +def test_histogram(): + def histogram(mode): + h = hopper(mode).histogram() + return len(h), min(h), max(h) - def test_histogram(self): - - def histogram(mode): - h = hopper(mode).histogram() - return len(h), min(h), max(h) - - self.assertEqual(histogram("1"), (256, 0, 10994)) - self.assertEqual(histogram("L"), (256, 0, 638)) - self.assertEqual(histogram("I"), (256, 0, 638)) - self.assertEqual(histogram("F"), (256, 0, 638)) - self.assertEqual(histogram("P"), (256, 0, 1871)) - self.assertEqual(histogram("RGB"), (768, 4, 675)) - self.assertEqual(histogram("RGBA"), (1024, 0, 16384)) - self.assertEqual(histogram("CMYK"), (1024, 0, 16384)) - self.assertEqual(histogram("YCbCr"), (768, 0, 1908)) - - -if __name__ == '__main__': - unittest.main() + assert histogram("1") == (256, 0, 10994) + assert histogram("L") == (256, 0, 662) + assert histogram("I") == (256, 0, 662) + assert histogram("F") == (256, 0, 662) + assert histogram("P") == (256, 0, 1871) + assert histogram("RGB") == (768, 4, 675) + assert histogram("RGBA") == (1024, 0, 16384) + assert histogram("CMYK") == (1024, 0, 16384) + assert histogram("YCbCr") == (768, 0, 1908) diff --git a/Tests/test_image_load.py b/Tests/test_image_load.py index c015588618a..f7fe99bb4c2 100644 --- a/Tests/test_image_load.py +++ b/Tests/test_image_load.py @@ -1,33 +1,50 @@ -from helper import unittest, PillowTestCase, hopper +import logging +import os + +import pytest from PIL import Image -import os +from .helper import hopper -class TestImageLoad(PillowTestCase): +def test_sanity(): + im = hopper() + pix = im.load() - def test_sanity(self): + assert pix[0, 0] == (20, 20, 70) - im = hopper() - pix = im.load() +def test_close(): + im = Image.open("Tests/images/hopper.gif") + im.close() + with pytest.raises(ValueError): + im.load() + with pytest.raises(ValueError): + im.getpixel((0, 0)) - self.assertEqual(pix[0, 0], (20, 20, 70)) - def test_close(self): - im = Image.open("Tests/images/hopper.gif") +def test_close_after_load(caplog): + im = Image.open("Tests/images/hopper.gif") + im.load() + with caplog.at_level(logging.DEBUG): im.close() - self.assertRaises(ValueError, im.load) - self.assertRaises(ValueError, lambda: im.getpixel((0, 0))) + assert len(caplog.records) == 0 + + +def test_contextmanager(): + fn = None + with Image.open("Tests/images/hopper.gif") as im: + fn = im.fp.fileno() + os.fstat(fn) + + with pytest.raises(OSError): + os.fstat(fn) - def test_contextmanager(self): - fn = None - with Image.open("Tests/images/hopper.gif") as im: - fn = im.fp.fileno() - os.fstat(fn) - self.assertRaises(OSError, lambda: os.fstat(fn)) +def test_contextmanager_non_exclusive_fp(): + with open("Tests/images/hopper.gif", "rb") as fp: + with Image.open(fp): + pass -if __name__ == '__main__': - unittest.main() + assert not fp.closed diff --git a/Tests/test_image_mode.py b/Tests/test_image_mode.py index 0596af3977f..7f92c226416 100644 --- a/Tests/test_image_mode.py +++ b/Tests/test_image_mode.py @@ -1,57 +1,70 @@ -from helper import unittest, PillowTestCase, hopper +from PIL import Image, ImageMode -from PIL import Image +from .helper import hopper -class TestImageMode(PillowTestCase): +def test_sanity(): - def test_sanity(self): - - im = hopper() + with hopper() as im: im.mode - from PIL import ImageMode - - ImageMode.getmode("1") - ImageMode.getmode("L") - ImageMode.getmode("P") - ImageMode.getmode("RGB") - ImageMode.getmode("I") - ImageMode.getmode("F") - - m = ImageMode.getmode("1") - self.assertEqual(m.mode, "1") - self.assertEqual(str(m), "1") - self.assertEqual(m.bands, ("1",)) - self.assertEqual(m.basemode, "L") - self.assertEqual(m.basetype, "L") - - m = ImageMode.getmode("RGB") - self.assertEqual(m.mode, "RGB") - self.assertEqual(str(m), "RGB") - self.assertEqual(m.bands, ("R", "G", "B")) - self.assertEqual(m.basemode, "RGB") - self.assertEqual(m.basetype, "L") - - def test_properties(self): - def check(mode, *result): - signature = ( - Image.getmodebase(mode), Image.getmodetype(mode), - Image.getmodebands(mode), Image.getmodebandnames(mode), - ) - self.assertEqual(signature, result) - check("1", "L", "L", 1, ("1",)) - check("L", "L", "L", 1, ("L",)) - check("P", "RGB", "L", 1, ("P",)) - check("I", "L", "I", 1, ("I",)) - check("F", "L", "F", 1, ("F",)) - check("RGB", "RGB", "L", 3, ("R", "G", "B")) - check("RGBA", "RGB", "L", 4, ("R", "G", "B", "A")) - check("RGBX", "RGB", "L", 4, ("R", "G", "B", "X")) - check("RGBX", "RGB", "L", 4, ("R", "G", "B", "X")) - check("CMYK", "RGB", "L", 4, ("C", "M", "Y", "K")) - check("YCbCr", "RGB", "L", 3, ("Y", "Cb", "Cr")) - - -if __name__ == '__main__': - unittest.main() + ImageMode.getmode("1") + ImageMode.getmode("L") + ImageMode.getmode("P") + ImageMode.getmode("RGB") + ImageMode.getmode("I") + ImageMode.getmode("F") + + m = ImageMode.getmode("1") + assert m.mode == "1" + assert str(m) == "1" + assert m.bands == ("1",) + assert m.basemode == "L" + assert m.basetype == "L" + + for mode in ( + "I;16", + "I;16S", + "I;16L", + "I;16LS", + "I;16B", + "I;16BS", + "I;16N", + "I;16NS", + ): + m = ImageMode.getmode(mode) + assert m.mode == mode + assert str(m) == mode + assert m.bands == ("I",) + assert m.basemode == "L" + assert m.basetype == "L" + + m = ImageMode.getmode("RGB") + assert m.mode == "RGB" + assert str(m) == "RGB" + assert m.bands == ("R", "G", "B") + assert m.basemode == "RGB" + assert m.basetype == "L" + + +def test_properties(): + def check(mode, *result): + signature = ( + Image.getmodebase(mode), + Image.getmodetype(mode), + Image.getmodebands(mode), + Image.getmodebandnames(mode), + ) + assert signature == result + + check("1", "L", "L", 1, ("1",)) + check("L", "L", "L", 1, ("L",)) + check("P", "P", "L", 1, ("P",)) + check("I", "L", "I", 1, ("I",)) + check("F", "L", "F", 1, ("F",)) + check("RGB", "RGB", "L", 3, ("R", "G", "B")) + check("RGBA", "RGB", "L", 4, ("R", "G", "B", "A")) + check("RGBX", "RGB", "L", 4, ("R", "G", "B", "X")) + check("RGBX", "RGB", "L", 4, ("R", "G", "B", "X")) + check("CMYK", "RGB", "L", 4, ("C", "M", "Y", "K")) + check("YCbCr", "RGB", "L", 3, ("Y", "Cb", "Cr")) diff --git a/Tests/test_image_paste.py b/Tests/test_image_paste.py index f3fe9a2af48..1d3ca813550 100644 --- a/Tests/test_image_paste.py +++ b/Tests/test_image_paste.py @@ -1,18 +1,15 @@ -from helper import PillowTestCase, cached_property - from PIL import Image +from .helper import assert_image_equal, cached_property + -class TestImagingPaste(PillowTestCase): +class TestImagingPaste: masks = {} size = 128 def assert_9points_image(self, im, expected): expected = [ - point[0] - if im.mode == 'L' else - point[:len(im.mode)] - for point in expected + point[0] if im.mode == "L" else point[: len(im.mode)] for point in expected ] px = im.load() actual = [ @@ -26,11 +23,20 @@ def assert_9points_image(self, im, expected): px[self.size // 2, self.size - 1], px[self.size - 1, self.size - 1], ] - self.assertEqual(actual, expected) + assert actual == expected + + def assert_9points_paste(self, im, im2, mask, expected): + im3 = im.copy() + im3.paste(im2, (0, 0), mask) + self.assert_9points_image(im3, expected) + + # Abbreviated syntax + im.paste(im2, mask) + self.assert_9points_image(im, expected) @cached_property def mask_1(self): - mask = Image.new('1', (self.size, self.size)) + mask = Image.new("1", (self.size, self.size)) px = mask.load() for y in range(mask.height): for x in range(mask.width): @@ -43,7 +49,7 @@ def mask_L(self): @cached_property def gradient_L(self): - gradient = Image.new('L', (self.size, self.size)) + gradient = Image.new("L", (self.size, self.size)) px = gradient.load() for y in range(gradient.height): for x in range(gradient.width): @@ -52,201 +58,241 @@ def gradient_L(self): @cached_property def gradient_RGB(self): - return Image.merge('RGB', [ - self.gradient_L, - self.gradient_L.transpose(Image.ROTATE_90), - self.gradient_L.transpose(Image.ROTATE_180), - ]) + return Image.merge( + "RGB", + [ + self.gradient_L, + self.gradient_L.transpose(Image.ROTATE_90), + self.gradient_L.transpose(Image.ROTATE_180), + ], + ) @cached_property def gradient_RGBA(self): - return Image.merge('RGBA', [ - self.gradient_L, - self.gradient_L.transpose(Image.ROTATE_90), - self.gradient_L.transpose(Image.ROTATE_180), - self.gradient_L.transpose(Image.ROTATE_270), - ]) + return Image.merge( + "RGBA", + [ + self.gradient_L, + self.gradient_L.transpose(Image.ROTATE_90), + self.gradient_L.transpose(Image.ROTATE_180), + self.gradient_L.transpose(Image.ROTATE_270), + ], + ) @cached_property def gradient_RGBa(self): - return Image.merge('RGBa', [ - self.gradient_L, - self.gradient_L.transpose(Image.ROTATE_90), - self.gradient_L.transpose(Image.ROTATE_180), - self.gradient_L.transpose(Image.ROTATE_270), - ]) + return Image.merge( + "RGBa", + [ + self.gradient_L, + self.gradient_L.transpose(Image.ROTATE_90), + self.gradient_L.transpose(Image.ROTATE_180), + self.gradient_L.transpose(Image.ROTATE_270), + ], + ) def test_image_solid(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), 'red') - im2 = getattr(self, 'gradient_' + mode) + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), "red") + im2 = getattr(self, "gradient_" + mode) im.paste(im2, (12, 23)) im = im.crop((12, 23, im2.width + 12, im2.height + 23)) - self.assert_image_equal(im, im2) + assert_image_equal(im, im2) def test_image_mask_1(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), 'white') - im2 = getattr(self, 'gradient_' + mode) - - im.paste(im2, (0, 0), self.mask_1) - - self.assert_9points_image(im, [ - (255, 255, 255, 255), - (255, 255, 255, 255), - (127, 254, 127, 0), - (255, 255, 255, 255), - (255, 255, 255, 255), - (191, 190, 63, 64), - (127, 0, 127, 254), - (191, 64, 63, 190), - (255, 255, 255, 255), - ]) + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), "white") + im2 = getattr(self, "gradient_" + mode) + + self.assert_9points_paste( + im, + im2, + self.mask_1, + [ + (255, 255, 255, 255), + (255, 255, 255, 255), + (127, 254, 127, 0), + (255, 255, 255, 255), + (255, 255, 255, 255), + (191, 190, 63, 64), + (127, 0, 127, 254), + (191, 64, 63, 190), + (255, 255, 255, 255), + ], + ) def test_image_mask_L(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), 'white') - im2 = getattr(self, 'gradient_' + mode) - - im.paste(im2, (0, 0), self.mask_L) - - self.assert_9points_image(im, [ - (128, 191, 255, 191), - (208, 239, 239, 208), - (255, 255, 255, 255), - (112, 111, 206, 207), - (192, 191, 191, 191), - (239, 239, 207, 207), - (128, 1, 128, 254), - (207, 113, 112, 207), - (255, 191, 128, 191), - ]) + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), "white") + im2 = getattr(self, "gradient_" + mode) + + self.assert_9points_paste( + im, + im2, + self.mask_L, + [ + (128, 191, 255, 191), + (208, 239, 239, 208), + (255, 255, 255, 255), + (112, 111, 206, 207), + (192, 191, 191, 191), + (239, 239, 207, 207), + (128, 1, 128, 254), + (207, 113, 112, 207), + (255, 191, 128, 191), + ], + ) def test_image_mask_RGBA(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), 'white') - im2 = getattr(self, 'gradient_' + mode) - - im.paste(im2, (0, 0), self.gradient_RGBA) - - self.assert_9points_image(im, [ - (128, 191, 255, 191), - (208, 239, 239, 208), - (255, 255, 255, 255), - (112, 111, 206, 207), - (192, 191, 191, 191), - (239, 239, 207, 207), - (128, 1, 128, 254), - (207, 113, 112, 207), - (255, 191, 128, 191), - ]) + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), "white") + im2 = getattr(self, "gradient_" + mode) + + self.assert_9points_paste( + im, + im2, + self.gradient_RGBA, + [ + (128, 191, 255, 191), + (208, 239, 239, 208), + (255, 255, 255, 255), + (112, 111, 206, 207), + (192, 191, 191, 191), + (239, 239, 207, 207), + (128, 1, 128, 254), + (207, 113, 112, 207), + (255, 191, 128, 191), + ], + ) def test_image_mask_RGBa(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), 'white') - im2 = getattr(self, 'gradient_' + mode) - - im.paste(im2, (0, 0), self.gradient_RGBa) - - self.assert_9points_image(im, [ - (128, 255, 126, 255), - (0, 127, 126, 255), - (126, 253, 126, 255), - (128, 127, 254, 255), - (0, 255, 254, 255), - (126, 125, 254, 255), - (128, 1, 128, 255), - (0, 129, 128, 255), - (126, 255, 128, 255), - ]) + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), "white") + im2 = getattr(self, "gradient_" + mode) + + self.assert_9points_paste( + im, + im2, + self.gradient_RGBa, + [ + (128, 255, 126, 255), + (0, 127, 126, 255), + (126, 253, 126, 255), + (128, 127, 254, 255), + (0, 255, 254, 255), + (126, 125, 254, 255), + (128, 1, 128, 255), + (0, 129, 128, 255), + (126, 255, 128, 255), + ], + ) def test_color_solid(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), 'black') + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), "black") rect = (12, 23, 128 + 12, 128 + 23) - im.paste('white', rect) + im.paste("white", rect) hist = im.crop(rect).histogram() while hist: head, hist = hist[:256], hist[256:] - self.assertEqual(head[255], 128 * 128) - self.assertEqual(sum(head[:255]), 0) + assert head[255] == 128 * 128 + assert sum(head[:255]) == 0 def test_color_mask_1(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), (50, 60, 70, 80)[:len(mode)]) - color = (10, 20, 30, 40)[:len(mode)] - - im.paste(color, (0, 0), self.mask_1) - - self.assert_9points_image(im, [ - (50, 60, 70, 80), - (50, 60, 70, 80), - (10, 20, 30, 40), - (50, 60, 70, 80), - (50, 60, 70, 80), - (10, 20, 30, 40), - (10, 20, 30, 40), - (10, 20, 30, 40), - (50, 60, 70, 80), - ]) + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), (50, 60, 70, 80)[: len(mode)]) + color = (10, 20, 30, 40)[: len(mode)] + + self.assert_9points_paste( + im, + color, + self.mask_1, + [ + (50, 60, 70, 80), + (50, 60, 70, 80), + (10, 20, 30, 40), + (50, 60, 70, 80), + (50, 60, 70, 80), + (10, 20, 30, 40), + (10, 20, 30, 40), + (10, 20, 30, 40), + (50, 60, 70, 80), + ], + ) def test_color_mask_L(self): - for mode in ('RGBA', 'RGB', 'L'): - im = getattr(self, 'gradient_' + mode).copy() - color = 'white' - - im.paste(color, (0, 0), self.mask_L) - - self.assert_9points_image(im, [ - (127, 191, 254, 191), - (111, 207, 206, 110), - (127, 254, 127, 0), - (207, 207, 239, 239), - (191, 191, 190, 191), - (207, 206, 111, 112), - (254, 254, 254, 255), - (239, 206, 206, 238), - (254, 191, 127, 191), - ]) + for mode in ("RGBA", "RGB", "L"): + im = getattr(self, "gradient_" + mode).copy() + color = "white" + + self.assert_9points_paste( + im, + color, + self.mask_L, + [ + (127, 191, 254, 191), + (111, 207, 206, 110), + (127, 254, 127, 0), + (207, 207, 239, 239), + (191, 191, 190, 191), + (207, 206, 111, 112), + (254, 254, 254, 255), + (239, 206, 206, 238), + (254, 191, 127, 191), + ], + ) def test_color_mask_RGBA(self): - for mode in ('RGBA', 'RGB', 'L'): - im = getattr(self, 'gradient_' + mode).copy() - color = 'white' - - im.paste(color, (0, 0), self.gradient_RGBA) - - self.assert_9points_image(im, [ - (127, 191, 254, 191), - (111, 207, 206, 110), - (127, 254, 127, 0), - (207, 207, 239, 239), - (191, 191, 190, 191), - (207, 206, 111, 112), - (254, 254, 254, 255), - (239, 206, 206, 238), - (254, 191, 127, 191), - ]) + for mode in ("RGBA", "RGB", "L"): + im = getattr(self, "gradient_" + mode).copy() + color = "white" + + self.assert_9points_paste( + im, + color, + self.gradient_RGBA, + [ + (127, 191, 254, 191), + (111, 207, 206, 110), + (127, 254, 127, 0), + (207, 207, 239, 239), + (191, 191, 190, 191), + (207, 206, 111, 112), + (254, 254, 254, 255), + (239, 206, 206, 238), + (254, 191, 127, 191), + ], + ) def test_color_mask_RGBa(self): - for mode in ('RGBA', 'RGB', 'L'): - im = getattr(self, 'gradient_' + mode).copy() - color = 'white' - - im.paste(color, (0, 0), self.gradient_RGBa) - - self.assert_9points_image(im, [ - (255, 63, 126, 63), - (47, 143, 142, 46), - (126, 253, 126, 255), - (15, 15, 47, 47), - (63, 63, 62, 63), - (142, 141, 46, 47), - (255, 255, 255, 0), - (48, 15, 15, 47), - (126, 63, 255, 63) - ]) + for mode in ("RGBA", "RGB", "L"): + im = getattr(self, "gradient_" + mode).copy() + color = "white" + + self.assert_9points_paste( + im, + color, + self.gradient_RGBa, + [ + (255, 63, 126, 63), + (47, 143, 142, 46), + (126, 253, 126, 255), + (15, 15, 47, 47), + (63, 63, 62, 63), + (142, 141, 46, 47), + (255, 255, 255, 0), + (48, 15, 15, 47), + (126, 63, 255, 63), + ], + ) + + def test_different_sizes(self): + im = Image.new("RGB", (100, 100)) + im2 = Image.new("RGB", (50, 50)) + + im.copy().paste(im2) + im.copy().paste(im2, (0, 0)) diff --git a/Tests/test_image_point.py b/Tests/test_image_point.py index dd33b36327b..366f458544f 100644 --- a/Tests/test_image_point.py +++ b/Tests/test_image_point.py @@ -1,40 +1,48 @@ -from helper import unittest, PillowTestCase, hopper +import pytest +from .helper import assert_image_equal, hopper -class TestImagePoint(PillowTestCase): - def test_sanity(self): - im = hopper() +def test_sanity(): + im = hopper() - self.assertRaises(ValueError, lambda: im.point(list(range(256)))) - im.point(list(range(256))*3) - im.point(lambda x: x) + with pytest.raises(ValueError): + im.point(list(range(256))) + im.point(list(range(256)) * 3) + im.point(lambda x: x) - im = im.convert("I") - self.assertRaises(ValueError, lambda: im.point(list(range(256)))) - im.point(lambda x: x*1) - im.point(lambda x: x+1) - im.point(lambda x: x*1+1) - self.assertRaises(TypeError, lambda: im.point(lambda x: x-1)) - self.assertRaises(TypeError, lambda: im.point(lambda x: x/1)) + im = im.convert("I") + with pytest.raises(ValueError): + im.point(list(range(256))) + im.point(lambda x: x * 1) + im.point(lambda x: x + 1) + im.point(lambda x: x * 1 + 1) + with pytest.raises(TypeError): + im.point(lambda x: x - 1) + with pytest.raises(TypeError): + im.point(lambda x: x / 1) - def test_16bit_lut(self): - """ Tests for 16 bit -> 8 bit lut for converting I->L images - see https://github.com/python-pillow/Pillow/issues/440 - """ - im = hopper("I") - im.point(list(range(256))*256, 'L') - def test_f_lut(self): - """ Tests for floating point lut of 8bit gray image """ - im = hopper('L') - lut = [0.5 * float(x) for x in range(256)] +def test_16bit_lut(): + """Tests for 16 bit -> 8 bit lut for converting I->L images + see https://github.com/python-pillow/Pillow/issues/440 + """ + im = hopper("I") + im.point(list(range(256)) * 256, "L") - out = im.point(lut, 'F') - int_lut = [x//2 for x in range(256)] - self.assert_image_equal(out.convert('L'), im.point(int_lut, 'L')) +def test_f_lut(): + """Tests for floating point lut of 8bit gray image""" + im = hopper("L") + lut = [0.5 * float(x) for x in range(256)] + out = im.point(lut, "F") -if __name__ == '__main__': - unittest.main() + int_lut = [x // 2 for x in range(256)] + assert_image_equal(out.convert("L"), im.point(int_lut, "L")) + + +def test_f_mode(): + im = hopper("F") + with pytest.raises(ValueError): + im.point(None) diff --git a/Tests/test_image_putalpha.py b/Tests/test_image_putalpha.py index 823e0612fe6..e2dcead34c5 100644 --- a/Tests/test_image_putalpha.py +++ b/Tests/test_image_putalpha.py @@ -1,50 +1,48 @@ -from helper import unittest, PillowTestCase - from PIL import Image -class TestImagePutAlpha(PillowTestCase): - - def test_interface(self): - - im = Image.new("RGBA", (1, 1), (1, 2, 3, 0)) - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 0)) +def test_interface(): + im = Image.new("RGBA", (1, 1), (1, 2, 3, 0)) + assert im.getpixel((0, 0)) == (1, 2, 3, 0) - im = Image.new("RGBA", (1, 1), (1, 2, 3)) - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 255)) + im = Image.new("RGBA", (1, 1), (1, 2, 3)) + assert im.getpixel((0, 0)) == (1, 2, 3, 255) - im.putalpha(Image.new("L", im.size, 4)) - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 4)) + im.putalpha(Image.new("L", im.size, 4)) + assert im.getpixel((0, 0)) == (1, 2, 3, 4) - im.putalpha(5) - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 5)) + im.putalpha(5) + assert im.getpixel((0, 0)) == (1, 2, 3, 5) - def test_promote(self): - im = Image.new("L", (1, 1), 1) - self.assertEqual(im.getpixel((0, 0)), 1) +def test_promote(): + im = Image.new("L", (1, 1), 1) + assert im.getpixel((0, 0)) == 1 - im.putalpha(2) - self.assertEqual(im.mode, 'LA') - self.assertEqual(im.getpixel((0, 0)), (1, 2)) + im.putalpha(2) + assert im.mode == "LA" + assert im.getpixel((0, 0)) == (1, 2) - im = Image.new("RGB", (1, 1), (1, 2, 3)) - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3)) + im = Image.new("P", (1, 1), 1) + assert im.getpixel((0, 0)) == 1 - im.putalpha(4) - self.assertEqual(im.mode, 'RGBA') - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 4)) + im.putalpha(2) + assert im.mode == "PA" + assert im.getpixel((0, 0)) == (1, 2) - def test_readonly(self): + im = Image.new("RGB", (1, 1), (1, 2, 3)) + assert im.getpixel((0, 0)) == (1, 2, 3) - im = Image.new("RGB", (1, 1), (1, 2, 3)) - im.readonly = 1 + im.putalpha(4) + assert im.mode == "RGBA" + assert im.getpixel((0, 0)) == (1, 2, 3, 4) - im.putalpha(4) - self.assertFalse(im.readonly) - self.assertEqual(im.mode, 'RGBA') - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 4)) +def test_readonly(): + im = Image.new("RGB", (1, 1), (1, 2, 3)) + im.readonly = 1 -if __name__ == '__main__': - unittest.main() + im.putalpha(4) + assert not im.readonly + assert im.mode == "RGBA" + assert im.getpixel((0, 0)) == (1, 2, 3, 4) diff --git a/Tests/test_image_putdata.py b/Tests/test_image_putdata.py index 1a7a6e7c78f..7e4bbaaec61 100644 --- a/Tests/test_image_putdata.py +++ b/Tests/test_image_putdata.py @@ -1,88 +1,112 @@ -from helper import unittest, PillowTestCase, hopper +import sys from array import array -import sys +import pytest from PIL import Image +from .helper import assert_image_equal, hopper + + +def test_sanity(): + im1 = hopper() + + data = list(im1.getdata()) + + im2 = Image.new(im1.mode, im1.size, 0) + im2.putdata(data) + + assert_image_equal(im1, im2) + + # readonly + im2 = Image.new(im1.mode, im2.size, 0) + im2.readonly = 1 + im2.putdata(data) + + assert not im2.readonly + assert_image_equal(im1, im2) + + +def test_long_integers(): + # see bug-200802-systemerror + def put(value): + im = Image.new("RGBA", (1, 1)) + im.putdata([value]) + return im.getpixel((0, 0)) + + assert put(0xFFFFFFFF) == (255, 255, 255, 255) + assert put(0xFFFFFFFF) == (255, 255, 255, 255) + assert put(-1) == (255, 255, 255, 255) + assert put(-1) == (255, 255, 255, 255) + if sys.maxsize > 2 ** 32: + assert put(sys.maxsize) == (255, 255, 255, 255) + else: + assert put(sys.maxsize) == (255, 255, 255, 127) -class TestImagePutData(PillowTestCase): - def test_sanity(self): +def test_pypy_performance(): + im = Image.new("L", (256, 256)) + im.putdata(list(range(256)) * 256) - im1 = hopper() - data = list(im1.getdata()) +def test_mode_with_L_with_float(): + im = Image.new("L", (1, 1), 0) + im.putdata([2.0]) + assert im.getpixel((0, 0)) == 2 - im2 = Image.new(im1.mode, im1.size, 0) - im2.putdata(data) - self.assert_image_equal(im1, im2) +def test_mode_i(): + src = hopper("L") + data = list(src.getdata()) + im = Image.new("I", src.size, 0) + im.putdata(data, 2, 256) - # readonly - im2 = Image.new(im1.mode, im2.size, 0) - im2.readonly = 1 - im2.putdata(data) + target = [2 * elt + 256 for elt in data] + assert list(im.getdata()) == target - self.assertFalse(im2.readonly) - self.assert_image_equal(im1, im2) - def test_long_integers(self): - # see bug-200802-systemerror - def put(value): - im = Image.new("RGBA", (1, 1)) - im.putdata([value]) - return im.getpixel((0, 0)) - self.assertEqual(put(0xFFFFFFFF), (255, 255, 255, 255)) - self.assertEqual(put(0xFFFFFFFF), (255, 255, 255, 255)) - self.assertEqual(put(-1), (255, 255, 255, 255)) - self.assertEqual(put(-1), (255, 255, 255, 255)) - if sys.maxsize > 2**32: - self.assertEqual(put(sys.maxsize), (255, 255, 255, 255)) - else: - self.assertEqual(put(sys.maxsize), (255, 255, 255, 127)) +def test_mode_F(): + src = hopper("L") + data = list(src.getdata()) + im = Image.new("F", src.size, 0) + im.putdata(data, 2.0, 256.0) - def test_pypy_performance(self): - im = Image.new('L', (256, 256)) - im.putdata(list(range(256))*256) + target = [2.0 * float(elt) + 256.0 for elt in data] + assert list(im.getdata()) == target - def test_mode_i(self): - src = hopper('L') - data = list(src.getdata()) - im = Image.new('I', src.size, 0) - im.putdata(data, 2, 256) - target = [2 * elt + 256 for elt in data] - self.assertEqual(list(im.getdata()), target) +def test_array_B(): + # shouldn't segfault + # see https://github.com/python-pillow/Pillow/issues/1008 - def test_mode_F(self): - src = hopper('L') - data = list(src.getdata()) - im = Image.new('F', src.size, 0) - im.putdata(data, 2.0, 256.0) + arr = array("B", [0]) * 15000 + im = Image.new("L", (150, 100)) + im.putdata(arr) - target = [2.0 * float(elt) + 256.0 for elt in data] - self.assertEqual(list(im.getdata()), target) + assert len(im.getdata()) == len(arr) - def test_array_B(self): - # shouldn't segfault - # see https://github.com/python-pillow/Pillow/issues/1008 - arr = array('B', [0])*15000 - im = Image.new('L', (150, 100)) - im.putdata(arr) +def test_array_F(): + # shouldn't segfault + # see https://github.com/python-pillow/Pillow/issues/1008 - self.assertEqual(len(im.getdata()), len(arr)) + im = Image.new("F", (150, 100)) + arr = array("f", [0.0]) * 15000 + im.putdata(arr) - def test_array_F(self): - # shouldn't segfault - # see https://github.com/python-pillow/Pillow/issues/1008 + assert len(im.getdata()) == len(arr) - im = Image.new('F', (150, 100)) - arr = array('f', [0.0])*15000 - im.putdata(arr) - self.assertEqual(len(im.getdata()), len(arr)) +def test_not_flattened(): + im = Image.new("L", (1, 1)) + with pytest.raises(TypeError): + im.putdata([[0]]) + with pytest.raises(TypeError): + im.putdata([[0]], 2) -if __name__ == '__main__': - unittest.main() + with pytest.raises(TypeError): + im = Image.new("I", (1, 1)) + im.putdata([[0]]) + with pytest.raises(TypeError): + im = Image.new("F", (1, 1)) + im.putdata([[0]]) diff --git a/Tests/test_image_putpalette.py b/Tests/test_image_putpalette.py index 47bebea6f49..012a57a0999 100644 --- a/Tests/test_image_putpalette.py +++ b/Tests/test_image_putpalette.py @@ -1,34 +1,64 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import ImagePalette - - -class TestImagePutPalette(PillowTestCase): - - def test_putpalette(self): - def palette(mode): - im = hopper(mode).copy() - im.putpalette(list(range(256))*3) - p = im.getpalette() - if p: - return im.mode, p[:10] - return im.mode - self.assertRaises(ValueError, lambda: palette("1")) - self.assertEqual(palette("L"), ("P", [0, 1, 2, 3, 4, 5, 6, 7, 8, 9])) - self.assertEqual(palette("P"), ("P", [0, 1, 2, 3, 4, 5, 6, 7, 8, 9])) - self.assertRaises(ValueError, lambda: palette("I")) - self.assertRaises(ValueError, lambda: palette("F")) - self.assertRaises(ValueError, lambda: palette("RGB")) - self.assertRaises(ValueError, lambda: palette("RGBA")) - self.assertRaises(ValueError, lambda: palette("YCbCr")) - - def test_imagepalette(self): - im = hopper("P") - im.putpalette(ImagePalette.negative()) - im.putpalette(ImagePalette.random()) - im.putpalette(ImagePalette.sepia()) - im.putpalette(ImagePalette.wedge()) - - -if __name__ == '__main__': - unittest.main() +import pytest + +from PIL import Image, ImagePalette + +from .helper import assert_image_equal, assert_image_equal_tofile, hopper + + +def test_putpalette(): + def palette(mode): + im = hopper(mode).copy() + im.putpalette(list(range(256)) * 3) + p = im.getpalette() + if p: + return im.mode, p[:10] + return im.mode + + with pytest.raises(ValueError): + palette("1") + for mode in ["L", "LA", "P", "PA"]: + assert palette(mode) == ( + "PA" if "A" in mode else "P", + [0, 1, 2, 3, 4, 5, 6, 7, 8, 9], + ) + with pytest.raises(ValueError): + palette("I") + with pytest.raises(ValueError): + palette("F") + with pytest.raises(ValueError): + palette("RGB") + with pytest.raises(ValueError): + palette("RGBA") + with pytest.raises(ValueError): + palette("YCbCr") + + +def test_imagepalette(): + im = hopper("P") + im.putpalette(ImagePalette.negative()) + assert_image_equal_tofile(im.convert("RGB"), "Tests/images/palette_negative.png") + + im.putpalette(ImagePalette.random()) + + im.putpalette(ImagePalette.sepia()) + assert_image_equal_tofile(im.convert("RGB"), "Tests/images/palette_sepia.png") + + im.putpalette(ImagePalette.wedge()) + assert_image_equal_tofile(im.convert("RGB"), "Tests/images/palette_wedge.png") + + +def test_putpalette_with_alpha_values(): + with Image.open("Tests/images/transparent.gif") as im: + expected = im.convert("RGBA") + + palette = im.getpalette() + transparency = im.info.pop("transparency") + + palette_with_alpha_values = [] + for i in range(256): + color = palette[i * 3 : i * 3 + 3] + alpha = 0 if i == transparency else 255 + palette_with_alpha_values += color + [alpha] + im.putpalette(palette_with_alpha_values, "RGBA") + + assert_image_equal(im.convert("RGBA"), expected) diff --git a/Tests/test_image_quantize.py b/Tests/test_image_quantize.py index 82c89584a51..53b6c900793 100644 --- a/Tests/test_image_quantize.py +++ b/Tests/test_image_quantize.py @@ -1,52 +1,111 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image +from .helper import assert_image_similar, hopper, is_ppc64le -class TestImageQuantize(PillowTestCase): - - def test_sanity(self): - image = hopper() - converted = image.quantize() - self.assert_image(converted, 'P', converted.size) - self.assert_image_similar(converted.convert('RGB'), image, 10) - - image = hopper() - converted = image.quantize(palette=hopper('P')) - self.assert_image(converted, 'P', converted.size) - self.assert_image_similar(converted.convert('RGB'), image, 60) - - def test_libimagequant_quantize(self): - image = hopper() - try: - converted = image.quantize(100, Image.LIBIMAGEQUANT) - except ValueError as ex: - if 'dependency' in str(ex).lower(): - self.skipTest('libimagequant support not available') - else: - raise - self.assert_image(converted, 'P', converted.size) - self.assert_image_similar(converted.convert('RGB'), image, 15) - assert len(converted.getcolors()) == 100 - - def test_octree_quantize(self): - image = hopper() - converted = image.quantize(100, Image.FASTOCTREE) - self.assert_image(converted, 'P', converted.size) - self.assert_image_similar(converted.convert('RGB'), image, 20) - assert len(converted.getcolors()) == 100 - - def test_rgba_quantize(self): - image = hopper('RGBA') - image.quantize() - self.assertRaises(Exception, lambda: image.quantize(method=0)) - - def test_quantize(self): - image = Image.open('Tests/images/caption_6_33_22.png').convert('RGB') - converted = image.quantize() - self.assert_image(converted, 'P', converted.size) - self.assert_image_similar(converted.convert('RGB'), image, 1) - - -if __name__ == '__main__': - unittest.main() + +def test_sanity(): + image = hopper() + converted = image.quantize() + assert converted.mode == "P" + assert_image_similar(converted.convert("RGB"), image, 10) + + image = hopper() + converted = image.quantize(palette=hopper("P")) + assert converted.mode == "P" + assert_image_similar(converted.convert("RGB"), image, 60) + + +@pytest.mark.xfail(is_ppc64le(), reason="failing on ppc64le on GHA") +def test_libimagequant_quantize(): + image = hopper() + try: + converted = image.quantize(100, Image.LIBIMAGEQUANT) + except ValueError as ex: # pragma: no cover + if "dependency" in str(ex).lower(): + pytest.skip("libimagequant support not available") + else: + raise + assert converted.mode == "P" + assert_image_similar(converted.convert("RGB"), image, 15) + assert len(converted.getcolors()) == 100 + + +def test_octree_quantize(): + image = hopper() + converted = image.quantize(100, Image.FASTOCTREE) + assert converted.mode == "P" + assert_image_similar(converted.convert("RGB"), image, 20) + assert len(converted.getcolors()) == 100 + + +def test_rgba_quantize(): + image = hopper("RGBA") + with pytest.raises(ValueError): + image.quantize(method=0) + + assert image.quantize().convert().mode == "RGBA" + + +def test_quantize(): + with Image.open("Tests/images/caption_6_33_22.png") as image: + image = image.convert("RGB") + converted = image.quantize() + assert converted.mode == "P" + assert_image_similar(converted.convert("RGB"), image, 1) + + +def test_quantize_no_dither(): + image = hopper() + with Image.open("Tests/images/caption_6_33_22.png") as palette: + palette = palette.convert("P") + + converted = image.quantize(dither=0, palette=palette) + assert converted.mode == "P" + assert converted.palette.palette == palette.palette.palette + + +def test_quantize_dither_diff(): + image = hopper() + with Image.open("Tests/images/caption_6_33_22.png") as palette: + palette = palette.convert("P") + + dither = image.quantize(dither=1, palette=palette) + nodither = image.quantize(dither=0, palette=palette) + + assert dither.tobytes() != nodither.tobytes() + + +def test_colors(): + im = hopper() + colors = 2 + converted = im.quantize(colors) + assert len(converted.palette.palette) == colors * len("RGB") + + +def test_transparent_colors_equal(): + im = Image.new("RGBA", (1, 2), (0, 0, 0, 0)) + px = im.load() + px[0, 1] = (255, 255, 255, 0) + + converted = im.quantize() + converted_px = converted.load() + assert converted_px[0, 0] == converted_px[0, 1] + + +@pytest.mark.parametrize( + "method, color", + ( + (Image.MEDIANCUT, (0, 0, 0)), + (Image.MAXCOVERAGE, (0, 0, 0)), + (Image.FASTOCTREE, (0, 0, 0)), + (Image.FASTOCTREE, (0, 0, 0, 0)), + ), +) +def test_palette(method, color): + im = Image.new("RGBA" if len(color) == 4 else "RGB", (1, 1), color) + + converted = im.quantize(method=method) + converted_px = converted.load() + assert converted_px[0, 0] == converted.palette.colors[color] diff --git a/Tests/test_image_reduce.py b/Tests/test_image_reduce.py new file mode 100644 index 00000000000..b4eebc14218 --- /dev/null +++ b/Tests/test_image_reduce.py @@ -0,0 +1,260 @@ +import pytest + +from PIL import Image, ImageMath, ImageMode + +from .helper import convert_to_comparable, skip_unless_feature + +codecs = dir(Image.core) + + +# There are several internal implementations +remarkable_factors = [ + # special implementations + 1, + 2, + 3, + 4, + 5, + 6, + # 1xN implementation + (1, 2), + (1, 3), + (1, 4), + (1, 7), + # Nx1 implementation + (2, 1), + (3, 1), + (4, 1), + (7, 1), + # general implementation with different paths + (4, 6), + (5, 6), + (4, 7), + (5, 7), + (19, 17), +] + +gradients_image = Image.open("Tests/images/radial_gradients.png") +gradients_image.load() + + +def test_args_factor(): + im = Image.new("L", (10, 10)) + + assert (4, 4) == im.reduce(3).size + assert (4, 10) == im.reduce((3, 1)).size + assert (10, 4) == im.reduce((1, 3)).size + + with pytest.raises(ValueError): + im.reduce(0) + with pytest.raises(TypeError): + im.reduce(2.0) + with pytest.raises(ValueError): + im.reduce((0, 10)) + + +def test_args_box(): + im = Image.new("L", (10, 10)) + + assert (5, 5) == im.reduce(2, (0, 0, 10, 10)).size + assert (1, 1) == im.reduce(2, (5, 5, 6, 6)).size + + with pytest.raises(TypeError): + im.reduce(2, "stri") + with pytest.raises(TypeError): + im.reduce(2, 2) + with pytest.raises(ValueError): + im.reduce(2, (0, 0, 11, 10)) + with pytest.raises(ValueError): + im.reduce(2, (0, 0, 10, 11)) + with pytest.raises(ValueError): + im.reduce(2, (-1, 0, 10, 10)) + with pytest.raises(ValueError): + im.reduce(2, (0, -1, 10, 10)) + with pytest.raises(ValueError): + im.reduce(2, (0, 5, 10, 5)) + with pytest.raises(ValueError): + im.reduce(2, (5, 0, 5, 10)) + + +def test_unsupported_modes(): + im = Image.new("P", (10, 10)) + with pytest.raises(ValueError): + im.reduce(3) + + im = Image.new("1", (10, 10)) + with pytest.raises(ValueError): + im.reduce(3) + + im = Image.new("I;16", (10, 10)) + with pytest.raises(ValueError): + im.reduce(3) + + +def get_image(mode): + mode_info = ImageMode.getmode(mode) + if mode_info.basetype == "L": + bands = [gradients_image] + for _ in mode_info.bands[1:]: + # rotate previous image + band = bands[-1].transpose(Image.ROTATE_90) + bands.append(band) + # Correct alpha channel by transforming completely transparent pixels. + # Low alpha values also emphasize error after alpha multiplication. + if mode.endswith("A"): + bands[-1] = bands[-1].point(lambda x: int(85 + x / 1.5)) + im = Image.merge(mode, bands) + else: + assert len(mode_info.bands) == 1 + im = gradients_image.convert(mode) + # change the height to make a not-square image + return im.crop((0, 0, im.width, im.height - 5)) + + +def compare_reduce_with_box(im, factor): + box = (11, 13, 146, 164) + reduced = im.reduce(factor, box=box) + reference = im.crop(box).reduce(factor) + assert reduced == reference + + +def compare_reduce_with_reference(im, factor, average_diff=0.4, max_diff=1): + """Image.reduce() should look very similar to Image.resize(BOX). + + A reference image is compiled from a large source area + and possible last column and last row. + +-----------+ + |..........c| + |..........c| + |..........c| + |rrrrrrrrrrp| + +-----------+ + """ + reduced = im.reduce(factor) + + if not isinstance(factor, (list, tuple)): + factor = (factor, factor) + + reference = Image.new(im.mode, reduced.size) + area_size = (im.size[0] // factor[0], im.size[1] // factor[1]) + area_box = (0, 0, area_size[0] * factor[0], area_size[1] * factor[1]) + area = im.resize(area_size, Image.BOX, area_box) + reference.paste(area, (0, 0)) + + if area_size[0] < reduced.size[0]: + assert reduced.size[0] - area_size[0] == 1 + last_column_box = (area_box[2], 0, im.size[0], area_box[3]) + last_column = im.resize((1, area_size[1]), Image.BOX, last_column_box) + reference.paste(last_column, (area_size[0], 0)) + + if area_size[1] < reduced.size[1]: + assert reduced.size[1] - area_size[1] == 1 + last_row_box = (0, area_box[3], area_box[2], im.size[1]) + last_row = im.resize((area_size[0], 1), Image.BOX, last_row_box) + reference.paste(last_row, (0, area_size[1])) + + if area_size[0] < reduced.size[0] and area_size[1] < reduced.size[1]: + last_pixel_box = (area_box[2], area_box[3], im.size[0], im.size[1]) + last_pixel = im.resize((1, 1), Image.BOX, last_pixel_box) + reference.paste(last_pixel, area_size) + + assert_compare_images(reduced, reference, average_diff, max_diff) + + +def assert_compare_images(a, b, max_average_diff, max_diff=255): + assert a.mode == b.mode, f"got mode {repr(a.mode)}, expected {repr(b.mode)}" + assert a.size == b.size, f"got size {repr(a.size)}, expected {repr(b.size)}" + + a, b = convert_to_comparable(a, b) + + bands = ImageMode.getmode(a.mode).bands + for band, ach, bch in zip(bands, a.split(), b.split()): + ch_diff = ImageMath.eval("convert(abs(a - b), 'L')", a=ach, b=bch) + ch_hist = ch_diff.histogram() + + average_diff = sum(i * num for i, num in enumerate(ch_hist)) / ( + a.size[0] * a.size[1] + ) + msg = ( + f"average pixel value difference {average_diff:.4f} > " + f"expected {max_average_diff:.4f} for '{band}' band" + ) + assert max_average_diff >= average_diff, msg + + last_diff = [i for i, num in enumerate(ch_hist) if num > 0][-1] + assert max_diff >= last_diff, ( + f"max pixel value difference {last_diff} > expected {max_diff} " + f"for '{band}' band" + ) + + +def test_mode_L(): + im = get_image("L") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_LA(): + im = get_image("LA") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor, 0.8, 5) + + # With opaque alpha, an error should be way smaller. + im.putalpha(Image.new("L", im.size, 255)) + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_La(): + im = get_image("La") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_RGB(): + im = get_image("RGB") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_RGBA(): + im = get_image("RGBA") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor, 0.8, 5) + + # With opaque alpha, an error should be way smaller. + im.putalpha(Image.new("L", im.size, 255)) + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_RGBa(): + im = get_image("RGBa") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_I(): + im = get_image("I") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_F(): + im = get_image("F") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor, 0, 0) + compare_reduce_with_box(im, factor) + + +@skip_unless_feature("jpg_2000") +def test_jpeg2k(): + with Image.open("Tests/images/test-card-lossless.jp2") as im: + assert im.reduce(2).size == (320, 240) diff --git a/Tests/test_image_resample.py b/Tests/test_image_resample.py index 3c8afd8ea5a..8bf2ce916dd 100644 --- a/Tests/test_image_resample.py +++ b/Tests/test_image_resample.py @@ -1,40 +1,54 @@ -from helper import unittest, PillowTestCase, hopper -from PIL import Image, ImageDraw, ImageMode +from contextlib import contextmanager +import pytest -class TestImagingResampleVulnerability(PillowTestCase): +from PIL import Image, ImageDraw + +from .helper import ( + assert_image_equal, + assert_image_similar, + hopper, + mark_if_feature_version, +) + + +class TestImagingResampleVulnerability: # see https://github.com/python-pillow/Pillow/issues/1710 def test_overflow(self): - im = hopper('L') - xsize = 0x100000008 // 4 - ysize = 1000 # unimportant - try: - # any resampling filter will do here - im.im.resize((xsize, ysize), Image.BILINEAR) - self.fail("Resize should raise MemoryError on invalid xsize") - except MemoryError: - self.assertTrue(True, "Should raise MemoryError") + im = hopper("L") + size_too_large = 0x100000008 // 4 + size_normal = 1000 # unimportant + for xsize, ysize in ( + (size_too_large, size_normal), + (size_normal, size_too_large), + ): + with pytest.raises(MemoryError): + # any resampling filter will do here + im.im.resize((xsize, ysize), Image.BILINEAR) def test_invalid_size(self): im = hopper() + # Should not crash im.resize((100, 100)) - self.assertTrue(True, "Should not Crash") - try: + with pytest.raises(ValueError): im.resize((-100, 100)) - self.fail("Resize should raise a value error on x negative size") - except ValueError: - self.assertTrue(True, "Should raise ValueError") - try: + with pytest.raises(ValueError): im.resize((100, -100)) - self.fail("Resize should raise a value error on y negative size") - except ValueError: - self.assertTrue(True, "Should raise ValueError") + def test_modify_after_resizing(self): + im = hopper("RGB") + # get copy with same size + copy = im.resize(im.size) + # some in-place operation + copy.paste("black", (0, 0, im.width // 2, im.height // 2)) + # image should be different + assert im.tobytes() != copy.tobytes() -class TestImagingCoreResampleAccuracy(PillowTestCase): + +class TestImagingCoreResampleAccuracy: def make_case(self, mode, size, color): """Makes a sample image with two dark and two bright squares. For example: @@ -43,7 +57,7 @@ def make_case(self, mode, size, color): 1f 1f e0 e0 1f 1f e0 e0 """ - case = Image.new('L', size, 255 - color) + case = Image.new("L", size, 255 - color) rectangle = ImageDraw.Draw(case).rectangle rectangle((0, 0, size[0] // 2 - 1, size[1] // 2 - 1), color) rectangle((size[0] // 2, size[1] // 2, size[0], size[1]), color) @@ -54,13 +68,13 @@ def make_sample(self, data, size): """Restores a sample image from given data string which contains hex-encoded pixels from the top left fourth of a sample. """ - data = data.replace(' ', '') - sample = Image.new('L', size) + data = data.replace(" ", "") + sample = Image.new("L", size) s_px = sample.load() w, h = size[0] // 2, size[1] // 2 for y in range(h): for x in range(w): - val = int(data[(y * w + x) * 2:(y * w + x + 1) * 2], 16) + val = int(data[(y * w + x) * 2 : (y * w + x + 1) * 2], 16) s_px[x, y] = val s_px[size[0] - x - 1, size[1] - y - 1] = val s_px[x, size[1] - y - 1] = 255 - val @@ -73,128 +87,148 @@ def check_case(self, case, sample): for y in range(case.size[1]): for x in range(case.size[0]): if c_px[x, y] != s_px[x, y]: - message = '\nHave: \n{}\n\nExpected: \n{}'.format( - self.serialize_image(case), - self.serialize_image(sample), + message = ( + f"\nHave: \n{self.serialize_image(case)}\n" + f"\nExpected: \n{self.serialize_image(sample)}" ) - self.assertEqual(s_px[x, y], c_px[x, y], message) + assert s_px[x, y] == c_px[x, y], message def serialize_image(self, image): s_px = image.load() - return '\n'.join( - ' '.join( - '{:02x}'.format(s_px[x, y]) - for x in range(image.size[0]) - ) + return "\n".join( + " ".join(f"{s_px[x, y]:02x}" for x in range(image.size[0])) for y in range(image.size[1]) ) def test_reduce_box(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (8, 8), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (8, 8), 0xE1) case = case.resize((4, 4), Image.BOX) - data = ('e1 e1' - 'e1 e1') + # fmt: off + data = ("e1 e1" + "e1 e1") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (4, 4))) def test_reduce_bilinear(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (8, 8), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (8, 8), 0xE1) case = case.resize((4, 4), Image.BILINEAR) - data = ('e1 c9' - 'c9 b7') + # fmt: off + data = ("e1 c9" + "c9 b7") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (4, 4))) def test_reduce_hamming(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (8, 8), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (8, 8), 0xE1) case = case.resize((4, 4), Image.HAMMING) - data = ('e1 da' - 'da d3') + # fmt: off + data = ("e1 da" + "da d3") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (4, 4))) def test_reduce_bicubic(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (12, 12), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (12, 12), 0xE1) case = case.resize((6, 6), Image.BICUBIC) - data = ('e1 e3 d4' - 'e3 e5 d6' - 'd4 d6 c9') + # fmt: off + data = ("e1 e3 d4" + "e3 e5 d6" + "d4 d6 c9") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (6, 6))) def test_reduce_lanczos(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (16, 16), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (16, 16), 0xE1) case = case.resize((8, 8), Image.LANCZOS) - data = ('e1 e0 e4 d7' - 'e0 df e3 d6' - 'e4 e3 e7 da' - 'd7 d6 d9 ce') + # fmt: off + data = ("e1 e0 e4 d7" + "e0 df e3 d6" + "e4 e3 e7 da" + "d7 d6 d9 ce") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (8, 8))) def test_enlarge_box(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (2, 2), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (2, 2), 0xE1) case = case.resize((4, 4), Image.BOX) - data = ('e1 e1' - 'e1 e1') + # fmt: off + data = ("e1 e1" + "e1 e1") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (4, 4))) def test_enlarge_bilinear(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (2, 2), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (2, 2), 0xE1) case = case.resize((4, 4), Image.BILINEAR) - data = ('e1 b0' - 'b0 98') + # fmt: off + data = ("e1 b0" + "b0 98") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (4, 4))) def test_enlarge_hamming(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (4, 4), 0xe1) - case = case.resize((8, 8), Image.HAMMING) - data = ('e1 e1 ea d1' - 'e1 e1 ea d1' - 'ea ea f4 d9' - 'd1 d1 d9 c4') + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (2, 2), 0xE1) + case = case.resize((4, 4), Image.HAMMING) + # fmt: off + data = ("e1 d2" + "d2 c5") + # fmt: on for channel in case.split(): - self.check_case(channel, self.make_sample(data, (8, 8))) + self.check_case(channel, self.make_sample(data, (4, 4))) def test_enlarge_bicubic(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (4, 4), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (4, 4), 0xE1) case = case.resize((8, 8), Image.BICUBIC) - data = ('e1 e5 ee b9' - 'e5 e9 f3 bc' - 'ee f3 fd c1' - 'b9 bc c1 a2') + # fmt: off + data = ("e1 e5 ee b9" + "e5 e9 f3 bc" + "ee f3 fd c1" + "b9 bc c1 a2") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (8, 8))) def test_enlarge_lanczos(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (6, 6), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (6, 6), 0xE1) case = case.resize((12, 12), Image.LANCZOS) - data = ('e1 e0 db ed f5 b8' - 'e0 df da ec f3 b7' - 'db db d6 e7 ee b5' - 'ed ec e6 fb ff bf' - 'f5 f4 ee ff ff c4' - 'b8 b7 b4 bf c4 a0') + data = ( + "e1 e0 db ed f5 b8" + "e0 df da ec f3 b7" + "db db d6 e7 ee b5" + "ed ec e6 fb ff bf" + "f5 f4 ee ff ff c4" + "b8 b7 b4 bf c4 a0" + ) for channel in case.split(): self.check_case(channel, self.make_sample(data, (12, 12))) + def test_box_filter_correct_range(self): + im = Image.new("RGB", (8, 8), "#1688ff").resize((100, 100), Image.BOX) + ref = Image.new("RGB", (100, 100), "#1688ff") + assert_image_equal(im, ref) -class CoreResampleConsistencyTest(PillowTestCase): + +class TestCoreResampleConsistency: def make_case(self, mode, fill): im = Image.new(mode, (512, 9), fill) - return (im.resize((9, 512), Image.LANCZOS), im.load()[0, 0]) + return im.resize((9, 512), Image.LANCZOS), im.load()[0, 0] def run_case(self, case): channel, color = case @@ -202,32 +236,31 @@ def run_case(self, case): for x in range(channel.size[0]): for y in range(channel.size[1]): if px[x, y] != color: - message = "{} != {} for pixel {}".format( - px[x, y], color, (x, y)) - self.assertEqual(px[x, y], color, message) + message = f"{px[x, y]} != {color} for pixel {(x, y)}" + assert px[x, y] == color, message def test_8u(self): - im, color = self.make_case('RGB', (0, 64, 255)) + im, color = self.make_case("RGB", (0, 64, 255)) r, g, b = im.split() self.run_case((r, color[0])) self.run_case((g, color[1])) self.run_case((b, color[2])) - self.run_case(self.make_case('L', 12)) + self.run_case(self.make_case("L", 12)) def test_32i(self): - self.run_case(self.make_case('I', 12)) - self.run_case(self.make_case('I', 0x7fffffff)) - self.run_case(self.make_case('I', -12)) - self.run_case(self.make_case('I', -1 << 31)) + self.run_case(self.make_case("I", 12)) + self.run_case(self.make_case("I", 0x7FFFFFFF)) + self.run_case(self.make_case("I", -12)) + self.run_case(self.make_case("I", -1 << 31)) def test_32f(self): - self.run_case(self.make_case('F', 1)) - self.run_case(self.make_case('F', 3.40282306074e+38)) - self.run_case(self.make_case('F', 1.175494e-38)) - self.run_case(self.make_case('F', 1.192093e-07)) + self.run_case(self.make_case("F", 1)) + self.run_case(self.make_case("F", 3.40282306074e38)) + self.run_case(self.make_case("F", 1.175494e-38)) + self.run_case(self.make_case("F", 1.192093e-07)) -class CoreResampleAlphaCorrectTest(PillowTestCase): +class TestCoreResampleAlphaCorrect: def make_levels_case(self, mode): i = Image.new(mode, (256, 16)) px = i.load() @@ -241,30 +274,31 @@ def make_levels_case(self, mode): def run_levels_case(self, i): px = i.load() for y in range(i.size[1]): - used_colors = set(px[x, y][0] for x in range(i.size[0])) - self.assertEqual(256, len(used_colors), - 'All colors should present in resized image. ' - 'Only {0} on {1} line.'.format(len(used_colors), y)) + used_colors = {px[x, y][0] for x in range(i.size[0])} + assert 256 == len(used_colors), ( + "All colors should be present in resized image. " + f"Only {len(used_colors)} on {y} line." + ) - @unittest.skip("current implementation isn't precise enough") + @pytest.mark.xfail(reason="Current implementation isn't precise enough") def test_levels_rgba(self): - case = self.make_levels_case('RGBA') + case = self.make_levels_case("RGBA") self.run_levels_case(case.resize((512, 32), Image.BOX)) self.run_levels_case(case.resize((512, 32), Image.BILINEAR)) self.run_levels_case(case.resize((512, 32), Image.HAMMING)) self.run_levels_case(case.resize((512, 32), Image.BICUBIC)) self.run_levels_case(case.resize((512, 32), Image.LANCZOS)) - @unittest.skip("current implementation isn't precise enough") + @pytest.mark.xfail(reason="Current implementation isn't precise enough") def test_levels_la(self): - case = self.make_levels_case('LA') + case = self.make_levels_case("LA") self.run_levels_case(case.resize((512, 32), Image.BOX)) self.run_levels_case(case.resize((512, 32), Image.BILINEAR)) self.run_levels_case(case.resize((512, 32), Image.HAMMING)) self.run_levels_case(case.resize((512, 32), Image.BICUBIC)) self.run_levels_case(case.resize((512, 32), Image.LANCZOS)) - def make_dity_case(self, mode, clean_pixel, dirty_pixel): + def make_dirty_case(self, mode, clean_pixel, dirty_pixel): i = Image.new(mode, (64, 64), dirty_pixel) px = i.load() xdiv4 = i.size[0] // 4 @@ -274,68 +308,270 @@ def make_dity_case(self, mode, clean_pixel, dirty_pixel): px[x + xdiv4, y + ydiv4] = clean_pixel return i - def run_dity_case(self, i, clean_pixel): + def run_dirty_case(self, i, clean_pixel): px = i.load() for y in range(i.size[1]): for x in range(i.size[0]): if px[x, y][-1] != 0 and px[x, y][:-1] != clean_pixel: - message = 'pixel at ({0}, {1}) is differ:\n{2}\n{3}'\ - .format(x, y, px[x, y], clean_pixel) - self.assertEqual(px[x, y][:3], clean_pixel, message) + message = ( + f"pixel at ({x}, {y}) is different:\n" + f"{px[x, y]}\n{clean_pixel}" + ) + assert px[x, y][:3] == clean_pixel, message def test_dirty_pixels_rgba(self): - case = self.make_dity_case('RGBA', (255, 255, 0, 128), (0, 0, 255, 0)) - self.run_dity_case(case.resize((20, 20), Image.BOX), (255, 255, 0)) - self.run_dity_case(case.resize((20, 20), Image.BILINEAR), (255, 255, 0)) - self.run_dity_case(case.resize((20, 20), Image.HAMMING), (255, 255, 0)) - self.run_dity_case(case.resize((20, 20), Image.BICUBIC), (255, 255, 0)) - self.run_dity_case(case.resize((20, 20), Image.LANCZOS), (255, 255, 0)) + case = self.make_dirty_case("RGBA", (255, 255, 0, 128), (0, 0, 255, 0)) + self.run_dirty_case(case.resize((20, 20), Image.BOX), (255, 255, 0)) + self.run_dirty_case(case.resize((20, 20), Image.BILINEAR), (255, 255, 0)) + self.run_dirty_case(case.resize((20, 20), Image.HAMMING), (255, 255, 0)) + self.run_dirty_case(case.resize((20, 20), Image.BICUBIC), (255, 255, 0)) + self.run_dirty_case(case.resize((20, 20), Image.LANCZOS), (255, 255, 0)) def test_dirty_pixels_la(self): - case = self.make_dity_case('LA', (255, 128), (0, 0)) - self.run_dity_case(case.resize((20, 20), Image.BOX), (255,)) - self.run_dity_case(case.resize((20, 20), Image.BILINEAR), (255,)) - self.run_dity_case(case.resize((20, 20), Image.HAMMING), (255,)) - self.run_dity_case(case.resize((20, 20), Image.BICUBIC), (255,)) - self.run_dity_case(case.resize((20, 20), Image.LANCZOS), (255,)) + case = self.make_dirty_case("LA", (255, 128), (0, 0)) + self.run_dirty_case(case.resize((20, 20), Image.BOX), (255,)) + self.run_dirty_case(case.resize((20, 20), Image.BILINEAR), (255,)) + self.run_dirty_case(case.resize((20, 20), Image.HAMMING), (255,)) + self.run_dirty_case(case.resize((20, 20), Image.BICUBIC), (255,)) + self.run_dirty_case(case.resize((20, 20), Image.LANCZOS), (255,)) + +class TestCoreResamplePasses: + @contextmanager + def count(self, diff): + count = Image.core.get_stats()["new_count"] + yield + assert Image.core.get_stats()["new_count"] - count == diff -class CoreResamplePassesTest(PillowTestCase): def test_horizontal(self): - im = hopper('L') - count = Image.core.getcount() - im.resize((im.size[0] + 10, im.size[1]), Image.BILINEAR) - self.assertEqual(Image.core.getcount(), count + 1) + im = hopper("L") + with self.count(1): + im.resize((im.size[0] - 10, im.size[1]), Image.BILINEAR) def test_vertical(self): - im = hopper('L') - count = Image.core.getcount() - im.resize((im.size[0], im.size[1] + 10), Image.BILINEAR) - self.assertEqual(Image.core.getcount(), count + 1) + im = hopper("L") + with self.count(1): + im.resize((im.size[0], im.size[1] - 10), Image.BILINEAR) def test_both(self): - im = hopper('L') - count = Image.core.getcount() - im.resize((im.size[0] + 10, im.size[1] + 10), Image.BILINEAR) - self.assertEqual(Image.core.getcount(), count + 2) - - -class CoreResampleCoefficientsTest(PillowTestCase): + im = hopper("L") + with self.count(2): + im.resize((im.size[0] - 10, im.size[1] - 10), Image.BILINEAR) + + def test_box_horizontal(self): + im = hopper("L") + box = (20, 0, im.size[0] - 20, im.size[1]) + with self.count(1): + # the same size, but different box + with_box = im.resize(im.size, Image.BILINEAR, box) + with self.count(2): + cropped = im.crop(box).resize(im.size, Image.BILINEAR) + assert_image_similar(with_box, cropped, 0.1) + + def test_box_vertical(self): + im = hopper("L") + box = (0, 20, im.size[0], im.size[1] - 20) + with self.count(1): + # the same size, but different box + with_box = im.resize(im.size, Image.BILINEAR, box) + with self.count(2): + cropped = im.crop(box).resize(im.size, Image.BILINEAR) + assert_image_similar(with_box, cropped, 0.1) + + +class TestCoreResampleCoefficients: def test_reduce(self): test_color = 254 - # print '' for size in range(400000, 400010, 2): - # print '\r', size, - i = Image.new('L', (size, 1), 0) + i = Image.new("L", (size, 1), 0) draw = ImageDraw.Draw(i) draw.rectangle((0, 0, i.size[0] // 2 - 1, 0), test_color) px = i.resize((5, i.size[1]), Image.BICUBIC).load() if px[2, 0] != test_color // 2: - self.assertEqual(test_color // 2, px[2, 0]) - # print '\r>', size, test_color // 2, px[2, 0] + assert test_color // 2 == px[2, 0] + + def test_nonzero_coefficients(self): + # regression test for the wrong coefficients calculation + # due to bug https://github.com/python-pillow/Pillow/issues/2161 + im = Image.new("RGBA", (1280, 1280), (0x20, 0x40, 0x60, 0xFF)) + histogram = im.resize((256, 256), Image.BICUBIC).histogram() + + # first channel + assert histogram[0x100 * 0 + 0x20] == 0x10000 + # second channel + assert histogram[0x100 * 1 + 0x40] == 0x10000 + # third channel + assert histogram[0x100 * 2 + 0x60] == 0x10000 + # fourth channel + assert histogram[0x100 * 3 + 0xFF] == 0x10000 + + +class TestCoreResampleBox: + def test_wrong_arguments(self): + im = hopper() + for resample in ( + Image.NEAREST, + Image.BOX, + Image.BILINEAR, + Image.HAMMING, + Image.BICUBIC, + Image.LANCZOS, + ): + im.resize((32, 32), resample, (0, 0, im.width, im.height)) + im.resize((32, 32), resample, (20, 20, im.width, im.height)) + im.resize((32, 32), resample, (20, 20, 20, 100)) + im.resize((32, 32), resample, (20, 20, 100, 20)) + + with pytest.raises(TypeError, match="must be sequence of length 4"): + im.resize((32, 32), resample, (im.width, im.height)) + + with pytest.raises(ValueError, match="can't be negative"): + im.resize((32, 32), resample, (-20, 20, 100, 100)) + with pytest.raises(ValueError, match="can't be negative"): + im.resize((32, 32), resample, (20, -20, 100, 100)) + + with pytest.raises(ValueError, match="can't be empty"): + im.resize((32, 32), resample, (20.1, 20, 20, 100)) + with pytest.raises(ValueError, match="can't be empty"): + im.resize((32, 32), resample, (20, 20.1, 100, 20)) + with pytest.raises(ValueError, match="can't be empty"): + im.resize((32, 32), resample, (20.1, 20.1, 20, 20)) + + with pytest.raises(ValueError, match="can't exceed"): + im.resize((32, 32), resample, (0, 0, im.width + 1, im.height)) + with pytest.raises(ValueError, match="can't exceed"): + im.resize((32, 32), resample, (0, 0, im.width, im.height + 1)) + + def resize_tiled(self, im, dst_size, xtiles, ytiles): + def split_range(size, tiles): + scale = size / tiles + for i in range(tiles): + yield (int(round(scale * i)), int(round(scale * (i + 1)))) + + tiled = Image.new(im.mode, dst_size) + scale = (im.size[0] / tiled.size[0], im.size[1] / tiled.size[1]) + + for y0, y1 in split_range(dst_size[1], ytiles): + for x0, x1 in split_range(dst_size[0], xtiles): + box = (x0 * scale[0], y0 * scale[1], x1 * scale[0], y1 * scale[1]) + tile = im.resize((x1 - x0, y1 - y0), Image.BICUBIC, box) + tiled.paste(tile, (x0, y0)) + return tiled + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_tiles(self): + with Image.open("Tests/images/flower.jpg") as im: + assert im.size == (480, 360) + dst_size = (251, 188) + reference = im.resize(dst_size, Image.BICUBIC) + + for tiles in [(1, 1), (3, 3), (9, 7), (100, 100)]: + tiled = self.resize_tiled(im, dst_size, *tiles) + assert_image_similar(reference, tiled, 0.01) + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_subsample(self): + # This test shows advantages of the subpixel resizing + # after supersampling (e.g. during JPEG decoding). + with Image.open("Tests/images/flower.jpg") as im: + assert im.size == (480, 360) + dst_size = (48, 36) + # Reference is cropped image resized to destination + reference = im.crop((0, 0, 473, 353)).resize(dst_size, Image.BICUBIC) + # Image.BOX emulates supersampling (480 / 8 = 60, 360 / 8 = 45) + supersampled = im.resize((60, 45), Image.BOX) + + with_box = supersampled.resize(dst_size, Image.BICUBIC, (0, 0, 59.125, 44.125)) + without_box = supersampled.resize(dst_size, Image.BICUBIC) + + # error with box should be much smaller than without + assert_image_similar(reference, with_box, 6) + with pytest.raises(AssertionError, match=r"difference 29\."): + assert_image_similar(reference, without_box, 5) + + def test_formats(self): + for resample in [Image.NEAREST, Image.BILINEAR]: + for mode in ["RGB", "L", "RGBA", "LA", "I", ""]: + im = hopper(mode) + box = (20, 20, im.size[0] - 20, im.size[1] - 20) + with_box = im.resize((32, 32), resample, box) + cropped = im.crop(box).resize((32, 32), resample) + assert_image_similar(cropped, with_box, 0.4) + + def test_passthrough(self): + # When no resize is required + im = hopper() + for size, box in [ + ((40, 50), (0, 0, 40, 50)), + ((40, 50), (0, 10, 40, 60)), + ((40, 50), (10, 0, 50, 50)), + ((40, 50), (10, 20, 50, 70)), + ]: + res = im.resize(size, Image.LANCZOS, box) + assert res.size == size + assert_image_equal(res, im.crop(box), f">>> {size} {box}") + + def test_no_passthrough(self): + # When resize is required + im = hopper() + + for size, box in [ + ((40, 50), (0.4, 0.4, 40.4, 50.4)), + ((40, 50), (0.4, 10.4, 40.4, 60.4)), + ((40, 50), (10.4, 0.4, 50.4, 50.4)), + ((40, 50), (10.4, 20.4, 50.4, 70.4)), + ]: + res = im.resize(size, Image.LANCZOS, box) + assert res.size == size + with pytest.raises(AssertionError, match=r"difference \d"): + # check that the difference at least that much + assert_image_similar(res, im.crop(box), 20, f">>> {size} {box}") + + def test_skip_horizontal(self): + # Can skip resize for one dimension + im = hopper() + + for flt in [Image.NEAREST, Image.BICUBIC]: + for size, box in [ + ((40, 50), (0, 0, 40, 90)), + ((40, 50), (0, 20, 40, 90)), + ((40, 50), (10, 0, 50, 90)), + ((40, 50), (10, 20, 50, 90)), + ]: + res = im.resize(size, flt, box) + assert res.size == size + # Borders should be slightly different + assert_image_similar( + res, + im.crop(box).resize(size, flt), + 0.4, + f">>> {size} {box} {flt}", + ) + + def test_skip_vertical(self): + # Can skip resize for one dimension + im = hopper() -if __name__ == '__main__': - unittest.main() + for flt in [Image.NEAREST, Image.BICUBIC]: + for size, box in [ + ((40, 50), (0, 0, 90, 50)), + ((40, 50), (20, 0, 90, 50)), + ((40, 50), (0, 10, 90, 60)), + ((40, 50), (20, 10, 90, 60)), + ]: + res = im.resize(size, flt, box) + assert res.size == size + # Borders should be slightly different + assert_image_similar( + res, + im.crop(box).resize(size, flt), + 0.4, + f">>> {size} {box} {flt}", + ) diff --git a/Tests/test_image_resize.py b/Tests/test_image_resize.py index 73f8091ed4f..1fe278052fa 100644 --- a/Tests/test_image_resize.py +++ b/Tests/test_image_resize.py @@ -3,54 +3,82 @@ """ from itertools import permutations -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + hopper, +) -class TestImagingCoreResize(PillowTestCase): +class TestImagingCoreResize: def resize(self, im, size, f): # Image class independent version of resize. im.load() return im._new(im.im.resize(size, f)) def test_nearest_mode(self): - for mode in ["1", "P", "L", "I", "F", "RGB", "RGBA", "CMYK", "YCbCr", - "I;16"]: # exotic mode + for mode in [ + "1", + "P", + "L", + "I", + "F", + "RGB", + "RGBA", + "CMYK", + "YCbCr", + "I;16", + ]: # exotic mode im = hopper(mode) r = self.resize(im, (15, 12), Image.NEAREST) - self.assertEqual(r.mode, mode) - self.assertEqual(r.size, (15, 12)) - self.assertEqual(r.im.bands, im.im.bands) + assert r.mode == mode + assert r.size == (15, 12) + assert r.im.bands == im.im.bands def test_convolution_modes(self): - self.assertRaises(ValueError, self.resize, hopper("1"), - (15, 12), Image.BILINEAR) - self.assertRaises(ValueError, self.resize, hopper("P"), - (15, 12), Image.BILINEAR) - self.assertRaises(ValueError, self.resize, hopper("I;16"), - (15, 12), Image.BILINEAR) + with pytest.raises(ValueError): + self.resize(hopper("1"), (15, 12), Image.BILINEAR) + with pytest.raises(ValueError): + self.resize(hopper("P"), (15, 12), Image.BILINEAR) + with pytest.raises(ValueError): + self.resize(hopper("I;16"), (15, 12), Image.BILINEAR) for mode in ["L", "I", "F", "RGB", "RGBA", "CMYK", "YCbCr"]: im = hopper(mode) r = self.resize(im, (15, 12), Image.BILINEAR) - self.assertEqual(r.mode, mode) - self.assertEqual(r.size, (15, 12)) - self.assertEqual(r.im.bands, im.im.bands) + assert r.mode == mode + assert r.size == (15, 12) + assert r.im.bands == im.im.bands def test_reduce_filters(self): - for f in [Image.LINEAR, Image.BOX, Image.BILINEAR, Image.HAMMING, - Image.BICUBIC, Image.LANCZOS]: + for f in [ + Image.NEAREST, + Image.BOX, + Image.BILINEAR, + Image.HAMMING, + Image.BICUBIC, + Image.LANCZOS, + ]: r = self.resize(hopper("RGB"), (15, 12), f) - self.assertEqual(r.mode, "RGB") - self.assertEqual(r.size, (15, 12)) + assert r.mode == "RGB" + assert r.size == (15, 12) def test_enlarge_filters(self): - for f in [Image.LINEAR, Image.BOX, Image.BILINEAR, Image.HAMMING, - Image.BICUBIC, Image.LANCZOS]: + for f in [ + Image.NEAREST, + Image.BOX, + Image.BILINEAR, + Image.HAMMING, + Image.BICUBIC, + Image.LANCZOS, + ]: r = self.resize(hopper("RGB"), (212, 195), f) - self.assertEqual(r.mode, "RGB") - self.assertEqual(r.size, (212, 195)) + assert r.mode == "RGB" + assert r.size == (212, 195) def test_endianness(self): # Make an image with one colored pixel, in one channel. @@ -60,24 +88,29 @@ def test_endianness(self): # an endianness issues. samples = { - 'blank': Image.new('L', (2, 2), 0), - 'filled': Image.new('L', (2, 2), 255), - 'dirty': Image.new('L', (2, 2), 0), + "blank": Image.new("L", (2, 2), 0), + "filled": Image.new("L", (2, 2), 255), + "dirty": Image.new("L", (2, 2), 0), } - samples['dirty'].putpixel((1, 1), 128) + samples["dirty"].putpixel((1, 1), 128) - for f in [Image.LINEAR, Image.BOX, Image.BILINEAR, Image.HAMMING, - Image.BICUBIC, Image.LANCZOS]: + for f in [ + Image.NEAREST, + Image.BOX, + Image.BILINEAR, + Image.HAMMING, + Image.BICUBIC, + Image.LANCZOS, + ]: # samples resized with current filter - references = dict( - (name, self.resize(ch, (4, 4), f)) - for name, ch in samples.items() - ) + references = { + name: self.resize(ch, (4, 4), f) for name, ch in samples.items() + } for mode, channels_set in [ - ('RGB', ('blank', 'filled', 'dirty')), - ('RGBA', ('blank', 'blank', 'filled', 'dirty')), - ('LA', ('filled', 'dirty')), + ("RGB", ("blank", "filled", "dirty")), + ("RGBA", ("blank", "blank", "filled", "dirty")), + ("LA", ("filled", "dirty")), ]: for channels in set(permutations(channels_set)): # compile image from different channels permutations @@ -87,20 +120,153 @@ def test_endianness(self): for i, ch in enumerate(resized.split()): # check what resized channel in image is the same # as separately resized channel - self.assert_image_equal(ch, references[channels[i]]) + assert_image_equal(ch, references[channels[i]]) + + def test_enlarge_zero(self): + for f in [ + Image.NEAREST, + Image.BOX, + Image.BILINEAR, + Image.HAMMING, + Image.BICUBIC, + Image.LANCZOS, + ]: + r = self.resize(Image.new("RGB", (0, 0), "white"), (212, 195), f) + assert r.mode == "RGB" + assert r.size == (212, 195) + assert r.getdata()[0] == (0, 0, 0) + + def test_unknown_filter(self): + with pytest.raises(ValueError): + self.resize(hopper(), (10, 10), 9) + + def test_cross_platform(self, tmp_path): + # This test is intended for only check for consistent behaviour across + # platforms. So if a future Pillow change requires that the test file + # be updated, that is okay. + im = hopper().resize((64, 64)) + temp_file = str(tmp_path / "temp.gif") + im.save(temp_file) + + with Image.open(temp_file) as reloaded: + assert_image_equal_tofile(reloaded, "Tests/images/hopper_resized.gif") + + +@pytest.fixture +def gradients_image(): + with Image.open("Tests/images/radial_gradients.png") as im: + im.load() + try: + yield im + finally: + im.close() + + +class TestReducingGapResize: + def test_reducing_gap_values(self, gradients_image): + ref = gradients_image.resize((52, 34), Image.BICUBIC, reducing_gap=None) + im = gradients_image.resize((52, 34), Image.BICUBIC) + assert_image_equal(ref, im) + + with pytest.raises(ValueError): + gradients_image.resize((52, 34), Image.BICUBIC, reducing_gap=0) + + with pytest.raises(ValueError): + gradients_image.resize((52, 34), Image.BICUBIC, reducing_gap=0.99) + + def test_reducing_gap_1(self, gradients_image): + for box, epsilon in [ + (None, 4), + ((1.1, 2.2, 510.8, 510.9), 4), + ((3, 10, 410, 256), 10), + ]: + ref = gradients_image.resize((52, 34), Image.BICUBIC, box=box) + im = gradients_image.resize( + (52, 34), Image.BICUBIC, box=box, reducing_gap=1.0 + ) + + with pytest.raises(AssertionError): + assert_image_equal(ref, im) + + assert_image_similar(ref, im, epsilon) + + def test_reducing_gap_2(self, gradients_image): + for box, epsilon in [ + (None, 1.5), + ((1.1, 2.2, 510.8, 510.9), 1.5), + ((3, 10, 410, 256), 1), + ]: + ref = gradients_image.resize((52, 34), Image.BICUBIC, box=box) + im = gradients_image.resize( + (52, 34), Image.BICUBIC, box=box, reducing_gap=2.0 + ) + + with pytest.raises(AssertionError): + assert_image_equal(ref, im) + + assert_image_similar(ref, im, epsilon) + + def test_reducing_gap_3(self, gradients_image): + for box, epsilon in [ + (None, 1), + ((1.1, 2.2, 510.8, 510.9), 1), + ((3, 10, 410, 256), 0.5), + ]: + ref = gradients_image.resize((52, 34), Image.BICUBIC, box=box) + im = gradients_image.resize( + (52, 34), Image.BICUBIC, box=box, reducing_gap=3.0 + ) + + with pytest.raises(AssertionError): + assert_image_equal(ref, im) + + assert_image_similar(ref, im, epsilon) + + def test_reducing_gap_8(self, gradients_image): + for box in [None, (1.1, 2.2, 510.8, 510.9), (3, 10, 410, 256)]: + ref = gradients_image.resize((52, 34), Image.BICUBIC, box=box) + im = gradients_image.resize( + (52, 34), Image.BICUBIC, box=box, reducing_gap=8.0 + ) + assert_image_equal(ref, im) -class TestImageResize(PillowTestCase): + def test_box_filter(self, gradients_image): + for box, epsilon in [ + ((0, 0, 512, 512), 5.5), + ((0.9, 1.7, 128, 128), 9.5), + ]: + ref = gradients_image.resize((52, 34), Image.BOX, box=box) + im = gradients_image.resize((52, 34), Image.BOX, box=box, reducing_gap=1.0) + assert_image_similar(ref, im, epsilon) + + +class TestImageResize: def test_resize(self): def resize(mode, size): out = hopper(mode).resize(size) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, size) + assert out.mode == mode + assert out.size == size + for mode in "1", "P", "L", "RGB", "I", "F": resize(mode, (112, 103)) resize(mode, (188, 214)) + # Test unknown resampling filter + with hopper() as im: + with pytest.raises(ValueError): + im.resize((10, 10), "unknown") + + def test_default_filter(self): + for mode in "L", "RGB", "I", "F": + im = hopper(mode) + assert im.resize((20, 20), Image.BICUBIC) == im.resize((20, 20)) + + for mode in "1", "P": + im = hopper(mode) + assert im.resize((20, 20), Image.NEAREST) == im.resize((20, 20)) -if __name__ == '__main__': - unittest.main() + for mode in "I;16", "I;16L", "I;16B", "BGR;15", "BGR;16": + im = hopper(mode) + assert im.resize((20, 20), Image.NEAREST) == im.resize((20, 20)) diff --git a/Tests/test_image_rotate.py b/Tests/test_image_rotate.py index e90b9a592d9..2d72ffa684c 100644 --- a/Tests/test_image_rotate.py +++ b/Tests/test_image_rotate.py @@ -1,27 +1,146 @@ -from helper import unittest, PillowTestCase, hopper from PIL import Image +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + hopper, +) -class TestImageRotate(PillowTestCase): - - def test_rotate(self): - def rotate(im, mode, angle): - out = im.rotate(angle) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size) # default rotate clips output - out = im.rotate(angle, expand=1) - self.assertEqual(out.mode, mode) - if angle % 180 == 0: - self.assertEqual(out.size, im.size) - else: - self.assertNotEqual(out.size, im.size) - for mode in "1", "P", "L", "RGB", "I", "F": - im = hopper(mode) - rotate(im, mode, 45) - for angle in 0, 90, 180, 270: - im = Image.open('Tests/images/test-card.png') + +def rotate(im, mode, angle, center=None, translate=None): + out = im.rotate(angle, center=center, translate=translate) + assert out.mode == mode + assert out.size == im.size # default rotate clips output + out = im.rotate(angle, center=center, translate=translate, expand=1) + assert out.mode == mode + if angle % 180 == 0: + assert out.size == im.size + elif im.size == (0, 0): + assert out.size == im.size + else: + assert out.size != im.size + + +def test_mode(): + for mode in ("1", "P", "L", "RGB", "I", "F"): + im = hopper(mode) + rotate(im, mode, 45) + + +def test_angle(): + for angle in (0, 90, 180, 270): + with Image.open("Tests/images/test-card.png") as im: rotate(im, im.mode, angle) + im = hopper() + assert_image_equal(im.rotate(angle), im.rotate(angle, expand=1)) + + +def test_zero(): + for angle in (0, 45, 90, 180, 270): + im = Image.new("RGB", (0, 0)) + rotate(im, im.mode, angle) + + +def test_resample(): + # Target image creation, inspected by eye. + # >>> im = Image.open('Tests/images/hopper.ppm') + # >>> im = im.rotate(45, resample=Image.BICUBIC, expand=True) + # >>> im.save('Tests/images/hopper_45.png') + + with Image.open("Tests/images/hopper_45.png") as target: + for (resample, epsilon) in ( + (Image.NEAREST, 10), + (Image.BILINEAR, 5), + (Image.BICUBIC, 0), + ): + im = hopper() + im = im.rotate(45, resample=resample, expand=True) + assert_image_similar(im, target, epsilon) + + +def test_center_0(): + im = hopper() + im = im.rotate(45, center=(0, 0), resample=Image.BICUBIC) + + with Image.open("Tests/images/hopper_45.png") as target: + target_origin = target.size[1] / 2 + target = target.crop((0, target_origin, 128, target_origin + 128)) + + assert_image_similar(im, target, 15) + + +def test_center_14(): + im = hopper() + im = im.rotate(45, center=(14, 14), resample=Image.BICUBIC) + + with Image.open("Tests/images/hopper_45.png") as target: + target_origin = target.size[1] / 2 - 14 + target = target.crop((6, target_origin, 128 + 6, target_origin + 128)) + + assert_image_similar(im, target, 10) + + +def test_translate(): + im = hopper() + with Image.open("Tests/images/hopper_45.png") as target: + target_origin = (target.size[1] / 2 - 64) - 5 + target = target.crop( + (target_origin, target_origin, target_origin + 128, target_origin + 128) + ) + + im = im.rotate(45, translate=(5, 5), resample=Image.BICUBIC) + + assert_image_similar(im, target, 1) + + +def test_fastpath_center(): + # if the center is -1,-1 and we rotate by 90<=x<=270 the + # resulting image should be black + for angle in (90, 180, 270): + im = hopper().rotate(angle, center=(-1, -1)) + assert_image_equal(im, Image.new("RGB", im.size, "black")) + + +def test_fastpath_translate(): + # if we post-translate by -128 + # resulting image should be black + for angle in (0, 90, 180, 270): + im = hopper().rotate(angle, translate=(-128, -128)) + assert_image_equal(im, Image.new("RGB", im.size, "black")) + + +def test_center(): + im = hopper() + rotate(im, im.mode, 45, center=(0, 0)) + rotate(im, im.mode, 45, translate=(im.size[0] / 2, 0)) + rotate(im, im.mode, 45, center=(0, 0), translate=(im.size[0] / 2, 0)) + + +def test_rotate_no_fill(): + im = Image.new("RGB", (100, 100), "green") + im = im.rotate(45) + assert_image_equal_tofile(im, "Tests/images/rotate_45_no_fill.png") + + +def test_rotate_with_fill(): + im = Image.new("RGB", (100, 100), "green") + im = im.rotate(45, fillcolor="white") + assert_image_equal_tofile(im, "Tests/images/rotate_45_with_fill.png") + + +def test_alpha_rotate_no_fill(): + # Alpha images are handled differently internally + im = Image.new("RGBA", (10, 10), "green") + im = im.rotate(45, expand=1) + corner = im.getpixel((0, 0)) + assert corner == (0, 0, 0, 0) + -if __name__ == '__main__': - unittest.main() +def test_alpha_rotate_with_fill(): + # Alpha images are handled differently internally + im = Image.new("RGBA", (10, 10), "green") + im = im.rotate(45, expand=1, fillcolor=(255, 0, 0, 255)) + corner = im.getpixel((0, 0)) + assert corner == (255, 0, 0, 255) diff --git a/Tests/test_image_split.py b/Tests/test_image_split.py index 6f312ff8092..fbed276b8b7 100644 --- a/Tests/test_image_split.py +++ b/Tests/test_image_split.py @@ -1,65 +1,63 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import Image - - -class TestImageSplit(PillowTestCase): - - def test_split(self): - def split(mode): - layers = hopper(mode).split() - return [(i.mode, i.size[0], i.size[1]) for i in layers] - self.assertEqual(split("1"), [('1', 128, 128)]) - self.assertEqual(split("L"), [('L', 128, 128)]) - self.assertEqual(split("I"), [('I', 128, 128)]) - self.assertEqual(split("F"), [('F', 128, 128)]) - self.assertEqual(split("P"), [('P', 128, 128)]) - self.assertEqual( - split("RGB"), [('L', 128, 128), ('L', 128, 128), ('L', 128, 128)]) - self.assertEqual( - split("RGBA"), - [('L', 128, 128), ('L', 128, 128), - ('L', 128, 128), ('L', 128, 128)]) - self.assertEqual( - split("CMYK"), - [('L', 128, 128), ('L', 128, 128), - ('L', 128, 128), ('L', 128, 128)]) - self.assertEqual( - split("YCbCr"), - [('L', 128, 128), ('L', 128, 128), ('L', 128, 128)]) - - def test_split_merge(self): - def split_merge(mode): - return Image.merge(mode, hopper(mode).split()) - self.assert_image_equal(hopper("1"), split_merge("1")) - self.assert_image_equal(hopper("L"), split_merge("L")) - self.assert_image_equal(hopper("I"), split_merge("I")) - self.assert_image_equal(hopper("F"), split_merge("F")) - self.assert_image_equal(hopper("P"), split_merge("P")) - self.assert_image_equal(hopper("RGB"), split_merge("RGB")) - self.assert_image_equal(hopper("RGBA"), split_merge("RGBA")) - self.assert_image_equal(hopper("CMYK"), split_merge("CMYK")) - self.assert_image_equal(hopper("YCbCr"), split_merge("YCbCr")) - - def test_split_open(self): - codecs = dir(Image.core) - - if 'zip_encoder' in codecs: - test_file = self.tempfile("temp.png") - else: - test_file = self.tempfile("temp.pcx") - - def split_open(mode): - hopper(mode).save(test_file) - im = Image.open(test_file) +from PIL import Image, features + +from .helper import assert_image_equal, hopper + + +def test_split(): + def split(mode): + layers = hopper(mode).split() + return [(i.mode, i.size[0], i.size[1]) for i in layers] + + assert split("1") == [("1", 128, 128)] + assert split("L") == [("L", 128, 128)] + assert split("I") == [("I", 128, 128)] + assert split("F") == [("F", 128, 128)] + assert split("P") == [("P", 128, 128)] + assert split("RGB") == [("L", 128, 128), ("L", 128, 128), ("L", 128, 128)] + assert split("RGBA") == [ + ("L", 128, 128), + ("L", 128, 128), + ("L", 128, 128), + ("L", 128, 128), + ] + assert split("CMYK") == [ + ("L", 128, 128), + ("L", 128, 128), + ("L", 128, 128), + ("L", 128, 128), + ] + assert split("YCbCr") == [("L", 128, 128), ("L", 128, 128), ("L", 128, 128)] + + +def test_split_merge(): + def split_merge(mode): + return Image.merge(mode, hopper(mode).split()) + + assert_image_equal(hopper("1"), split_merge("1")) + assert_image_equal(hopper("L"), split_merge("L")) + assert_image_equal(hopper("I"), split_merge("I")) + assert_image_equal(hopper("F"), split_merge("F")) + assert_image_equal(hopper("P"), split_merge("P")) + assert_image_equal(hopper("RGB"), split_merge("RGB")) + assert_image_equal(hopper("RGBA"), split_merge("RGBA")) + assert_image_equal(hopper("CMYK"), split_merge("CMYK")) + assert_image_equal(hopper("YCbCr"), split_merge("YCbCr")) + + +def test_split_open(tmp_path): + if features.check("zlib"): + test_file = str(tmp_path / "temp.png") + else: + test_file = str(tmp_path / "temp.pcx") + + def split_open(mode): + hopper(mode).save(test_file) + with Image.open(test_file) as im: return len(im.split()) - self.assertEqual(split_open("1"), 1) - self.assertEqual(split_open("L"), 1) - self.assertEqual(split_open("P"), 1) - self.assertEqual(split_open("RGB"), 3) - if 'zip_encoder' in codecs: - self.assertEqual(split_open("RGBA"), 4) - -if __name__ == '__main__': - unittest.main() + assert split_open("1") == 1 + assert split_open("L") == 1 + assert split_open("P") == 1 + assert split_open("RGB") == 3 + if features.check("zlib"): + assert split_open("RGBA") == 4 diff --git a/Tests/test_image_thumbnail.py b/Tests/test_image_thumbnail.py index 6b92dbb2411..dd140955dee 100644 --- a/Tests/test_image_thumbnail.py +++ b/Tests/test_image_thumbnail.py @@ -1,41 +1,133 @@ -from helper import unittest, PillowTestCase, hopper +import pytest +from PIL import Image -class TestImageThumbnail(PillowTestCase): +from .helper import ( + assert_image_equal, + assert_image_similar, + fromstring, + hopper, + tostring, +) - def test_sanity(self): - im = hopper() - im.thumbnail((100, 100)) +def test_sanity(): + im = hopper() + assert im.thumbnail((100, 100)) is None - self.assert_image(im, im.mode, (100, 100)) + assert im.size == (100, 100) - def test_aspect(self): - im = hopper() - im.thumbnail((100, 100)) - self.assert_image(im, im.mode, (100, 100)) +def test_aspect(): + im = Image.new("L", (128, 128)) + im.thumbnail((100, 100)) + assert im.size == (100, 100) - im = hopper().resize((128, 256)) - im.thumbnail((100, 100)) - self.assert_image(im, im.mode, (50, 100)) + im = Image.new("L", (128, 256)) + im.thumbnail((100, 100)) + assert im.size == (50, 100) - im = hopper().resize((128, 256)) - im.thumbnail((50, 100)) - self.assert_image(im, im.mode, (50, 100)) + im = Image.new("L", (128, 256)) + im.thumbnail((50, 100)) + assert im.size == (50, 100) - im = hopper().resize((256, 128)) - im.thumbnail((100, 100)) - self.assert_image(im, im.mode, (100, 50)) + im = Image.new("L", (256, 128)) + im.thumbnail((100, 100)) + assert im.size == (100, 50) - im = hopper().resize((256, 128)) - im.thumbnail((100, 50)) - self.assert_image(im, im.mode, (100, 50)) + im = Image.new("L", (256, 128)) + im.thumbnail((100, 50)) + assert im.size == (100, 50) - im = hopper().resize((128, 128)) - im.thumbnail((100, 100)) - self.assert_image(im, im.mode, (100, 100)) + im = Image.new("L", (64, 64)) + im.thumbnail((100, 100)) + assert im.size == (64, 64) + im = Image.new("L", (256, 162)) # ratio is 1.5802469136 + im.thumbnail((33, 33)) + assert im.size == (33, 21) # ratio is 1.5714285714 -if __name__ == '__main__': - unittest.main() + im = Image.new("L", (162, 256)) # ratio is 0.6328125 + im.thumbnail((33, 33)) + assert im.size == (21, 33) # ratio is 0.6363636364 + + im = Image.new("L", (145, 100)) # ratio is 1.45 + im.thumbnail((50, 50)) + assert im.size == (50, 34) # ratio is 1.47058823529 + + im = Image.new("L", (100, 145)) # ratio is 0.689655172414 + im.thumbnail((50, 50)) + assert im.size == (34, 50) # ratio is 0.68 + + im = Image.new("L", (100, 30)) # ratio is 3.333333333333 + im.thumbnail((75, 75)) + assert im.size == (75, 23) # ratio is 3.260869565217 + + +def test_division_by_zero(): + im = Image.new("L", (200, 2)) + im.thumbnail((75, 75)) + assert im.size == (75, 1) + + +def test_float(): + im = Image.new("L", (128, 128)) + im.thumbnail((99.9, 99.9)) + assert im.size == (99, 99) + + +def test_no_resize(): + # Check that draft() can resize the image to the destination size + with Image.open("Tests/images/hopper.jpg") as im: + im.draft(None, (64, 64)) + assert im.size == (64, 64) + + # Test thumbnail(), where only draft() is necessary to resize the image + with Image.open("Tests/images/hopper.jpg") as im: + im.thumbnail((64, 64)) + assert im.size == (64, 64) + + +# valgrind test is failing with memory allocated in libjpeg +@pytest.mark.valgrind_known_error(reason="Known Failing") +def test_DCT_scaling_edges(): + # Make an image with red borders and size (N * 8) + 1 to cross DCT grid + im = Image.new("RGB", (257, 257), "red") + im.paste(Image.new("RGB", (235, 235)), (11, 11)) + + thumb = fromstring(tostring(im, "JPEG", quality=99, subsampling=0)) + # small reducing_gap to amplify the effect + thumb.thumbnail((32, 32), Image.BICUBIC, reducing_gap=1.0) + + ref = im.resize((32, 32), Image.BICUBIC) + # This is still JPEG, some error is present. Without the fix it is 11.5 + assert_image_similar(thumb, ref, 1.5) + + +def test_reducing_gap_values(): + im = hopper() + im.thumbnail((18, 18), Image.BICUBIC) + + ref = hopper() + ref.thumbnail((18, 18), Image.BICUBIC, reducing_gap=2.0) + # reducing_gap=2.0 should be the default + assert_image_equal(ref, im) + + ref = hopper() + ref.thumbnail((18, 18), Image.BICUBIC, reducing_gap=None) + with pytest.raises(AssertionError): + assert_image_equal(ref, im) + + assert_image_similar(ref, im, 3.5) + + +def test_reducing_gap_for_DCT_scaling(): + with Image.open("Tests/images/hopper.jpg") as ref: + # thumbnail should call draft with reducing_gap scale + ref.draft(None, (18 * 3, 18 * 3)) + ref = ref.resize((18, 18), Image.BICUBIC) + + with Image.open("Tests/images/hopper.jpg") as im: + im.thumbnail((18, 18), Image.BICUBIC, reducing_gap=3.0) + + assert_image_equal(ref, im) diff --git a/Tests/test_image_tobitmap.py b/Tests/test_image_tobitmap.py index 5c47eade729..178cfcef359 100644 --- a/Tests/test_image_tobitmap.py +++ b/Tests/test_image_tobitmap.py @@ -1,20 +1,16 @@ -from helper import unittest, PillowTestCase, hopper, fromstring +import pytest +from .helper import assert_image_equal, fromstring, hopper -class TestImageToBitmap(PillowTestCase): - def test_sanity(self): +def test_sanity(): - self.assertRaises(ValueError, lambda: hopper().tobitmap()) - hopper().convert("1").tobitmap() + with pytest.raises(ValueError): + hopper().tobitmap() - im1 = hopper().convert("1") + im1 = hopper().convert("1") - bitmap = im1.tobitmap() + bitmap = im1.tobitmap() - self.assertIsInstance(bitmap, bytes) - self.assert_image_equal(im1, fromstring(bitmap)) - - -if __name__ == '__main__': - unittest.main() + assert isinstance(bitmap, bytes) + assert_image_equal(im1, fromstring(bitmap)) diff --git a/Tests/test_image_tobytes.py b/Tests/test_image_tobytes.py index 2cae05e6667..31e1c0080c6 100644 --- a/Tests/test_image_tobytes.py +++ b/Tests/test_image_tobytes.py @@ -1,11 +1,6 @@ -from helper import unittest, PillowTestCase, hopper +from .helper import hopper -class TestImageToBytes(PillowTestCase): - - def test_sanity(self): - data = hopper().tobytes() - self.assertIsInstance(data, bytes) - -if __name__ == '__main__': - unittest.main() +def test_sanity(): + data = hopper().tobytes() + assert isinstance(data, bytes) diff --git a/Tests/test_image_toqimage.py b/Tests/test_image_toqimage.py deleted file mode 100644 index 0dd9751d39a..00000000000 --- a/Tests/test_image_toqimage.py +++ /dev/null @@ -1,27 +0,0 @@ -from helper import unittest, PillowTestCase, hopper -from test_imageqt import PillowQtTestCase - -from PIL import ImageQt - - -if ImageQt.qt_is_installed: - from PIL.ImageQt import QImage - - -class TestToQImage(PillowQtTestCase, PillowTestCase): - - def test_sanity(self): - PillowQtTestCase.setUp(self) - for mode in ('1', 'RGB', 'RGBA', 'L', 'P'): - data = ImageQt.toqimage(hopper(mode)) - - self.assertIsInstance(data, QImage) - self.assertFalse(data.isNull()) - - # Test saving the file - tempfile = self.tempfile('temp_{0}.png'.format(mode)) - data.save(tempfile) - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_image_toqpixmap.py b/Tests/test_image_toqpixmap.py deleted file mode 100644 index 0bed9c747cc..00000000000 --- a/Tests/test_image_toqpixmap.py +++ /dev/null @@ -1,27 +0,0 @@ -from helper import unittest, PillowTestCase, hopper -from test_imageqt import PillowQtTestCase, PillowQPixmapTestCase - -from PIL import ImageQt - -if ImageQt.qt_is_installed: - from PIL.ImageQt import QPixmap - - -class TestToQPixmap(PillowQPixmapTestCase, PillowTestCase): - - def test_sanity(self): - PillowQtTestCase.setUp(self) - - for mode in ('1', 'RGB', 'RGBA', 'L', 'P'): - data = ImageQt.toqpixmap(hopper(mode)) - - self.assertIsInstance(data, QPixmap) - self.assertFalse(data.isNull()) - - # Test saving the file - tempfile = self.tempfile('temp_{0}.png'.format(mode)) - data.save(tempfile) - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_image_transform.py b/Tests/test_image_transform.py index 16e2e485005..ea208362b2a 100644 --- a/Tests/test_image_transform.py +++ b/Tests/test_image_transform.py @@ -1,15 +1,14 @@ import math -from helper import unittest, PillowTestCase, hopper +import pytest -from PIL import Image +from PIL import Image, ImageTransform +from .helper import assert_image_equal, assert_image_similar, hopper -class TestImageTransform(PillowTestCase): +class TestImageTransform: def test_sanity(self): - from PIL import ImageTransform - im = Image.new("L", (100, 100)) seq = tuple(range(10)) @@ -23,39 +22,77 @@ def test_sanity(self): transform = ImageTransform.MeshTransform([(seq[:4], seq[:8])]) im.transform((100, 100), transform) + def test_info(self): + comment = b"File written by Adobe Photoshop\xa8 4.0" + + with Image.open("Tests/images/hopper.gif") as im: + assert im.info["comment"] == comment + + transform = ImageTransform.ExtentTransform((0, 0, 0, 0)) + new_im = im.transform((100, 100), transform) + assert new_im.info["comment"] == comment + + def test_palette(self): + with Image.open("Tests/images/hopper.gif") as im: + transformed = im.transform(im.size, Image.AFFINE, [1, 0, 0, 0, 1, 0]) + assert im.palette.palette == transformed.palette.palette + def test_extent(self): - im = hopper('RGB') + im = hopper("RGB") (w, h) = im.size + # fmt: off transformed = im.transform(im.size, Image.EXTENT, (0, 0, w//2, h//2), # ul -> lr Image.BILINEAR) + # fmt: on - scaled = im.resize((w*2, h*2), Image.BILINEAR).crop((0, 0, w, h)) + scaled = im.resize((w * 2, h * 2), Image.BILINEAR).crop((0, 0, w, h)) # undone -- precision? - self.assert_image_similar(transformed, scaled, 23) + assert_image_similar(transformed, scaled, 23) def test_quad(self): # one simple quad transform, equivalent to scale & crop upper left quad - im = hopper('RGB') + im = hopper("RGB") (w, h) = im.size + # fmt: off transformed = im.transform(im.size, Image.QUAD, (0, 0, 0, h//2, # ul -> ccw around quad: w//2, h//2, w//2, 0), Image.BILINEAR) + # fmt: on - scaled = im.transform((w, h), Image.AFFINE, - (.5, 0, 0, 0, .5, 0), - Image.BILINEAR) + scaled = im.transform( + (w, h), Image.AFFINE, (0.5, 0, 0, 0, 0.5, 0), Image.BILINEAR + ) + + assert_image_equal(transformed, scaled) + + def test_fill(self): + for mode, pixel in [ + ["RGB", (255, 0, 0)], + ["RGBA", (255, 0, 0, 255)], + ["LA", (76, 0)], + ]: + im = hopper(mode) + (w, h) = im.size + transformed = im.transform( + im.size, + Image.EXTENT, + (0, 0, w * 2, h * 2), + Image.BILINEAR, + fillcolor="red", + ) - self.assert_image_equal(transformed, scaled) + assert transformed.getpixel((w - 1, h - 1)) == pixel def test_mesh(self): # this should be a checkerboard of halfsized hoppers in ul, lr - im = hopper('RGBA') + im = hopper("RGBA") (w, h) = im.size + # fmt: off transformed = im.transform(im.size, Image.MESH, [((0, 0, w//2, h//2), # box (0, 0, 0, h, @@ -64,57 +101,88 @@ def test_mesh(self): (0, 0, 0, h, w, h, w, 0))], # ul -> ccw around quad Image.BILINEAR) + # fmt: on - scaled = im.transform((w//2, h//2), Image.AFFINE, - (2, 0, 0, 0, 2, 0), - Image.BILINEAR) + scaled = im.transform( + (w // 2, h // 2), Image.AFFINE, (2, 0, 0, 0, 2, 0), Image.BILINEAR + ) - checker = Image.new('RGBA', im.size) + checker = Image.new("RGBA", im.size) checker.paste(scaled, (0, 0)) - checker.paste(scaled, (w//2, h//2)) + checker.paste(scaled, (w // 2, h // 2)) - self.assert_image_equal(transformed, checker) + assert_image_equal(transformed, checker) # now, check to see that the extra area is (0, 0, 0, 0) - blank = Image.new('RGBA', (w//2, h//2), (0, 0, 0, 0)) + blank = Image.new("RGBA", (w // 2, h // 2), (0, 0, 0, 0)) - self.assert_image_equal(blank, transformed.crop((w//2, 0, w, h//2))) - self.assert_image_equal(blank, transformed.crop((0, h//2, w//2, h))) + assert_image_equal(blank, transformed.crop((w // 2, 0, w, h // 2))) + assert_image_equal(blank, transformed.crop((0, h // 2, w // 2, h))) def _test_alpha_premult(self, op): # create image with half white, half black, # with the black half transparent. # do op, # there should be no darkness in the white section. - im = Image.new('RGBA', (10, 10), (0, 0, 0, 0)) - im2 = Image.new('RGBA', (5, 10), (255, 255, 255, 255)) + im = Image.new("RGBA", (10, 10), (0, 0, 0, 0)) + im2 = Image.new("RGBA", (5, 10), (255, 255, 255, 255)) im.paste(im2, (0, 0)) im = op(im, (40, 10)) - im_background = Image.new('RGB', (40, 10), (255, 255, 255)) + im_background = Image.new("RGB", (40, 10), (255, 255, 255)) im_background.paste(im, (0, 0), im) hist = im_background.histogram() - self.assertEqual(40*10, hist[-1]) + assert 40 * 10 == hist[-1] def test_alpha_premult_resize(self): - def op(im, sz): return im.resize(sz, Image.BILINEAR) self._test_alpha_premult(op) def test_alpha_premult_transform(self): - def op(im, sz): (w, h) = im.size - return im.transform(sz, Image.EXTENT, - (0, 0, - w, h), - Image.BILINEAR) + return im.transform(sz, Image.EXTENT, (0, 0, w, h), Image.BILINEAR) self._test_alpha_premult(op) + def _test_nearest(self, op, mode): + # create white image with half transparent, + # do op, + # the image should remain white with half transparent + transparent, opaque = { + "RGBA": ((255, 255, 255, 0), (255, 255, 255, 255)), + "LA": ((255, 0), (255, 255)), + }[mode] + im = Image.new(mode, (10, 10), transparent) + im2 = Image.new(mode, (5, 10), opaque) + im.paste(im2, (0, 0)) + + im = op(im, (40, 10)) + + colors = im.getcolors() + assert colors == [ + (20 * 10, opaque), + (20 * 10, transparent), + ] + + @pytest.mark.parametrize("mode", ("RGBA", "LA")) + def test_nearest_resize(self, mode): + def op(im, sz): + return im.resize(sz, Image.NEAREST) + + self._test_nearest(op, mode) + + @pytest.mark.parametrize("mode", ("RGBA", "LA")) + def test_nearest_transform(self, mode): + def op(im, sz): + (w, h) = im.size + return im.transform(sz, Image.EXTENT, (0, 0, w, h), Image.NEAREST) + + self._test_nearest(op, mode) + def test_blank_fill(self): # attempting to hit # https://github.com/python-pillow/Pillow/issues/254 reported @@ -130,32 +198,47 @@ def test_blank_fill(self): # Running by default, but I'd totally understand not doing it in # the future - pattern = [ - Image.new('RGBA', (1024, 1024), (a, a, a, a)) - for a in range(1, 65) - ] + pattern = [Image.new("RGBA", (1024, 1024), (a, a, a, a)) for a in range(1, 65)] # Yeah. Watch some JIT optimize this out. - pattern = None + pattern = None # noqa: F841 self.test_mesh() + def test_missing_method_data(self): + with hopper() as im: + with pytest.raises(ValueError): + im.transform((100, 100), None) -class TestImageTransformAffine(PillowTestCase): + def test_unknown_resampling_filter(self): + with hopper() as im: + (w, h) = im.size + for resample in (Image.BOX, "unknown"): + with pytest.raises(ValueError): + im.transform((100, 100), Image.EXTENT, (0, 0, w, h), resample) + + +class TestImageTransformAffine: transform = Image.AFFINE def _test_image(self): - im = hopper('RGB') + im = hopper("RGB") return im.crop((10, 20, im.width - 10, im.height - 20)) def _test_rotate(self, deg, transpose): im = self._test_image() - angle = - math.radians(deg) + angle = -math.radians(deg) matrix = [ - round(math.cos(angle), 15), round(math.sin(angle), 15), 0.0, - round(-math.sin(angle), 15), round(math.cos(angle), 15), 0.0, - 0, 0] + round(math.cos(angle), 15), + round(math.sin(angle), 15), + 0.0, + round(-math.sin(angle), 15), + round(math.cos(angle), 15), + 0.0, + 0, + 0, + ] matrix[2] = (1 - matrix[0] - matrix[1]) * im.width / 2 matrix[5] = (1 - matrix[3] - matrix[4]) * im.height / 2 @@ -165,9 +248,10 @@ def _test_rotate(self, deg, transpose): transposed = im for resample in [Image.NEAREST, Image.BILINEAR, Image.BICUBIC]: - transformed = im.transform(transposed.size, self.transform, - matrix, resample) - self.assert_image_equal(transposed, transformed) + transformed = im.transform( + transposed.size, self.transform, matrix, resample + ) + assert_image_equal(transposed, transformed) def test_rotate_0_deg(self): self._test_rotate(0, None) @@ -185,22 +269,19 @@ def _test_resize(self, scale, epsilonscale): im = self._test_image() size_up = int(round(im.width * scale)), int(round(im.height * scale)) - matrix_up = [ - 1 / scale, 0, 0, - 0, 1 / scale, 0, - 0, 0] - matrix_down = [ - scale, 0, 0, - 0, scale, 0, - 0, 0] - - for resample, epsilon in [(Image.NEAREST, 0), - (Image.BILINEAR, 2), (Image.BICUBIC, 1)]: - transformed = im.transform( - size_up, self.transform, matrix_up, resample) + matrix_up = [1 / scale, 0, 0, 0, 1 / scale, 0, 0, 0] + matrix_down = [scale, 0, 0, 0, scale, 0, 0, 0] + + for resample, epsilon in [ + (Image.NEAREST, 0), + (Image.BILINEAR, 2), + (Image.BICUBIC, 1), + ]: + transformed = im.transform(size_up, self.transform, matrix_up, resample) transformed = transformed.transform( - im.size, self.transform, matrix_down, resample) - self.assert_image_similar(transformed, im, epsilon * epsilonscale) + im.size, self.transform, matrix_down, resample + ) + assert_image_similar(transformed, im, epsilon * epsilonscale) def test_resize_1_1x(self): self._test_resize(1.1, 6.9) @@ -221,28 +302,25 @@ def _test_translate(self, x, y, epsilonscale): im = self._test_image() size_up = int(round(im.width + x)), int(round(im.height + y)) - matrix_up = [ - 1, 0, -x, - 0, 1, -y, - 0, 0] - matrix_down = [ - 1, 0, x, - 0, 1, y, - 0, 0] - - for resample, epsilon in [(Image.NEAREST, 0), - (Image.BILINEAR, 1.5), (Image.BICUBIC, 1)]: - transformed = im.transform( - size_up, self.transform, matrix_up, resample) + matrix_up = [1, 0, -x, 0, 1, -y, 0, 0] + matrix_down = [1, 0, x, 0, 1, y, 0, 0] + + for resample, epsilon in [ + (Image.NEAREST, 0), + (Image.BILINEAR, 1.5), + (Image.BICUBIC, 1), + ]: + transformed = im.transform(size_up, self.transform, matrix_up, resample) transformed = transformed.transform( - im.size, self.transform, matrix_down, resample) - self.assert_image_similar(transformed, im, epsilon * epsilonscale) + im.size, self.transform, matrix_down, resample + ) + assert_image_similar(transformed, im, epsilon * epsilonscale) def test_translate_0_1(self): - self._test_translate(.1, 0, 3.7) + self._test_translate(0.1, 0, 3.7) def test_translate_0_6(self): - self._test_translate(.6, 0, 9.1) + self._test_translate(0.6, 0, 9.1) def test_translate_50(self): self._test_translate(50, 50, 0) @@ -251,7 +329,3 @@ def test_translate_50(self): class TestImageTransformPerspective(TestImageTransformAffine): # Repeat all tests for AFFINE transformations with PERSPECTIVE transform = Image.PERSPECTIVE - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_image_transpose.py b/Tests/test_image_transpose.py index e13fc86050a..a004434dae7 100644 --- a/Tests/test_image_transpose.py +++ b/Tests/test_image_transpose.py @@ -1,130 +1,162 @@ -import helper -from helper import unittest, PillowTestCase - -from PIL.Image import (FLIP_LEFT_RIGHT, FLIP_TOP_BOTTOM, ROTATE_90, ROTATE_180, - ROTATE_270, TRANSPOSE) - - -class TestImageTranspose(PillowTestCase): - - hopper = { - 'L': helper.hopper('L').crop((0, 0, 121, 127)).copy(), - 'RGB': helper.hopper('RGB').crop((0, 0, 121, 127)).copy(), - } - - def test_flip_left_right(self): - def transpose(mode): - im = self.hopper[mode] - out = im.transpose(FLIP_LEFT_RIGHT) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size) - - x, y = im.size - self.assertEqual(im.getpixel((1, 1)), out.getpixel((x-2, 1))) - self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((1, 1))) - self.assertEqual(im.getpixel((1, y-2)), out.getpixel((x-2, y-2))) - self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((1, y-2))) - - for mode in ("L", "RGB"): - transpose(mode) - - def test_flip_top_bottom(self): - def transpose(mode): - im = self.hopper[mode] - out = im.transpose(FLIP_TOP_BOTTOM) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size) - - x, y = im.size - self.assertEqual(im.getpixel((1, 1)), out.getpixel((1, y-2))) - self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((x-2, y-2))) - self.assertEqual(im.getpixel((1, y-2)), out.getpixel((1, 1))) - self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((x-2, 1))) - - for mode in ("L", "RGB"): - transpose(mode) - - def test_rotate_90(self): - def transpose(mode): - im = self.hopper[mode] - out = im.transpose(ROTATE_90) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size[::-1]) - - x, y = im.size - self.assertEqual(im.getpixel((1, 1)), out.getpixel((1, x-2))) - self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((1, 1))) - self.assertEqual(im.getpixel((1, y-2)), out.getpixel((y-2, x-2))) - self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((y-2, 1))) - - for mode in ("L", "RGB"): - transpose(mode) - - def test_rotate_180(self): - def transpose(mode): - im = self.hopper[mode] - out = im.transpose(ROTATE_180) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size) - - x, y = im.size - self.assertEqual(im.getpixel((1, 1)), out.getpixel((x-2, y-2))) - self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((1, y-2))) - self.assertEqual(im.getpixel((1, y-2)), out.getpixel((x-2, 1))) - self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((1, 1))) - - for mode in ("L", "RGB"): - transpose(mode) - - def test_rotate_270(self): - def transpose(mode): - im = self.hopper[mode] - out = im.transpose(ROTATE_270) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size[::-1]) - - x, y = im.size - self.assertEqual(im.getpixel((1, 1)), out.getpixel((y-2, 1))) - self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((y-2, x-2))) - self.assertEqual(im.getpixel((1, y-2)), out.getpixel((1, 1))) - self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((1, x-2))) - - for mode in ("L", "RGB"): - transpose(mode) - - def test_transpose(self): - def transpose(mode): - im = self.hopper[mode] - out = im.transpose(TRANSPOSE) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size[::-1]) - - x, y = im.size - self.assertEqual(im.getpixel((1, 1)), out.getpixel((1, 1))) - self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((1, x-2))) - self.assertEqual(im.getpixel((1, y-2)), out.getpixel((y-2, 1))) - self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((y-2, x-2))) - - for mode in ("L", "RGB"): - transpose(mode) - - def test_roundtrip(self): - im = self.hopper['L'] +from PIL.Image import ( + FLIP_LEFT_RIGHT, + FLIP_TOP_BOTTOM, + ROTATE_90, + ROTATE_180, + ROTATE_270, + TRANSPOSE, + TRANSVERSE, +) + +from . import helper +from .helper import assert_image_equal + +HOPPER = { + mode: helper.hopper(mode).crop((0, 0, 121, 127)).copy() + for mode in ["L", "RGB", "I;16", "I;16L", "I;16B"] +} + + +def test_flip_left_right(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(FLIP_LEFT_RIGHT) + assert out.mode == mode + assert out.size == im.size + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((x - 2, 1)) + assert im.getpixel((x - 2, 1)) == out.getpixel((1, 1)) + assert im.getpixel((1, y - 2)) == out.getpixel((x - 2, y - 2)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, y - 2)) + + for mode in HOPPER: + transpose(mode) + + +def test_flip_top_bottom(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(FLIP_TOP_BOTTOM) + assert out.mode == mode + assert out.size == im.size + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((1, y - 2)) + assert im.getpixel((x - 2, 1)) == out.getpixel((x - 2, y - 2)) + assert im.getpixel((1, y - 2)) == out.getpixel((1, 1)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((x - 2, 1)) + + for mode in HOPPER: + transpose(mode) + + +def test_rotate_90(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(ROTATE_90) + assert out.mode == mode + assert out.size == im.size[::-1] + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((1, x - 2)) + assert im.getpixel((x - 2, 1)) == out.getpixel((1, 1)) + assert im.getpixel((1, y - 2)) == out.getpixel((y - 2, x - 2)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((y - 2, 1)) + + for mode in HOPPER: + transpose(mode) + + +def test_rotate_180(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(ROTATE_180) + assert out.mode == mode + assert out.size == im.size + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((x - 2, y - 2)) + assert im.getpixel((x - 2, 1)) == out.getpixel((1, y - 2)) + assert im.getpixel((1, y - 2)) == out.getpixel((x - 2, 1)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, 1)) + + for mode in HOPPER: + transpose(mode) + + +def test_rotate_270(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(ROTATE_270) + assert out.mode == mode + assert out.size == im.size[::-1] + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((y - 2, 1)) + assert im.getpixel((x - 2, 1)) == out.getpixel((y - 2, x - 2)) + assert im.getpixel((1, y - 2)) == out.getpixel((1, 1)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, x - 2)) + + for mode in HOPPER: + transpose(mode) + + +def test_transpose(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(TRANSPOSE) + assert out.mode == mode + assert out.size == im.size[::-1] + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((1, 1)) + assert im.getpixel((x - 2, 1)) == out.getpixel((1, x - 2)) + assert im.getpixel((1, y - 2)) == out.getpixel((y - 2, 1)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((y - 2, x - 2)) - def transpose(first, second): - return im.transpose(first).transpose(second) + for mode in HOPPER: + transpose(mode) + + +def test_tranverse(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(TRANSVERSE) + assert out.mode == mode + assert out.size == im.size[::-1] + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((y - 2, x - 2)) + assert im.getpixel((x - 2, 1)) == out.getpixel((y - 2, 1)) + assert im.getpixel((1, y - 2)) == out.getpixel((1, x - 2)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, 1)) - self.assert_image_equal( - im, transpose(FLIP_LEFT_RIGHT, FLIP_LEFT_RIGHT)) - self.assert_image_equal( - im, transpose(FLIP_TOP_BOTTOM, FLIP_TOP_BOTTOM)) - self.assert_image_equal(im, transpose(ROTATE_90, ROTATE_270)) - self.assert_image_equal(im, transpose(ROTATE_180, ROTATE_180)) - self.assert_image_equal( - im.transpose(TRANSPOSE), transpose(ROTATE_90, FLIP_TOP_BOTTOM)) - self.assert_image_equal( - im.transpose(TRANSPOSE), transpose(ROTATE_270, FLIP_LEFT_RIGHT)) + for mode in HOPPER: + transpose(mode) + + +def test_roundtrip(): + for mode in HOPPER: + im = HOPPER[mode] + def transpose(first, second): + return im.transpose(first).transpose(second) -if __name__ == '__main__': - unittest.main() + assert_image_equal(im, transpose(FLIP_LEFT_RIGHT, FLIP_LEFT_RIGHT)) + assert_image_equal(im, transpose(FLIP_TOP_BOTTOM, FLIP_TOP_BOTTOM)) + assert_image_equal(im, transpose(ROTATE_90, ROTATE_270)) + assert_image_equal(im, transpose(ROTATE_180, ROTATE_180)) + assert_image_equal( + im.transpose(TRANSPOSE), transpose(ROTATE_90, FLIP_TOP_BOTTOM) + ) + assert_image_equal( + im.transpose(TRANSPOSE), transpose(ROTATE_270, FLIP_LEFT_RIGHT) + ) + assert_image_equal( + im.transpose(TRANSVERSE), transpose(ROTATE_90, FLIP_LEFT_RIGHT) + ) + assert_image_equal( + im.transpose(TRANSVERSE), transpose(ROTATE_270, FLIP_TOP_BOTTOM) + ) + assert_image_equal(im.transpose(TRANSVERSE), transpose(ROTATE_180, TRANSPOSE)) diff --git a/Tests/test_imagechops.py b/Tests/test_imagechops.py index 4e30dc1752c..b839a7b140a 100644 --- a/Tests/test_imagechops.py +++ b/Tests/test_imagechops.py @@ -1,72 +1,428 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import Image -from PIL import ImageChops - - -class TestImageChops(PillowTestCase): - - def test_sanity(self): - - im = hopper("L") - - ImageChops.constant(im, 128) - ImageChops.duplicate(im) - ImageChops.invert(im) - ImageChops.lighter(im, im) - ImageChops.darker(im, im) - ImageChops.difference(im, im) - ImageChops.multiply(im, im) - ImageChops.screen(im, im) - - ImageChops.add(im, im) - ImageChops.add(im, im, 2.0) - ImageChops.add(im, im, 2.0, 128) - ImageChops.subtract(im, im) - ImageChops.subtract(im, im, 2.0) - ImageChops.subtract(im, im, 2.0, 128) - - ImageChops.add_modulo(im, im) - ImageChops.subtract_modulo(im, im) - - ImageChops.blend(im, im, 0.5) - ImageChops.composite(im, im, im) - - ImageChops.offset(im, 10) - ImageChops.offset(im, 10, 20) - - def test_logical(self): - - def table(op, a, b): - out = [] - for x in (a, b): - imx = Image.new("1", (1, 1), x) - for y in (a, b): - imy = Image.new("1", (1, 1), y) - out.append(op(imx, imy).getpixel((0, 0))) - return tuple(out) - - self.assertEqual( - table(ImageChops.logical_and, 0, 1), (0, 0, 0, 255)) - self.assertEqual( - table(ImageChops.logical_or, 0, 1), (0, 255, 255, 255)) - self.assertEqual( - table(ImageChops.logical_xor, 0, 1), (0, 255, 255, 0)) - - self.assertEqual( - table(ImageChops.logical_and, 0, 128), (0, 0, 0, 255)) - self.assertEqual( - table(ImageChops.logical_or, 0, 128), (0, 255, 255, 255)) - self.assertEqual( - table(ImageChops.logical_xor, 0, 128), (0, 255, 255, 0)) - - self.assertEqual( - table(ImageChops.logical_and, 0, 255), (0, 0, 0, 255)) - self.assertEqual( - table(ImageChops.logical_or, 0, 255), (0, 255, 255, 255)) - self.assertEqual( - table(ImageChops.logical_xor, 0, 255), (0, 255, 255, 0)) - - -if __name__ == '__main__': - unittest.main() +from PIL import Image, ImageChops + +from .helper import assert_image_equal, hopper + +BLACK = (0, 0, 0) +BROWN = (127, 64, 0) +CYAN = (0, 255, 255) +DARK_GREEN = (0, 128, 0) +GREEN = (0, 255, 0) +ORANGE = (255, 128, 0) +WHITE = (255, 255, 255) + +GREY = 128 + + +def test_sanity(): + im = hopper("L") + + ImageChops.constant(im, 128) + ImageChops.duplicate(im) + ImageChops.invert(im) + ImageChops.lighter(im, im) + ImageChops.darker(im, im) + ImageChops.difference(im, im) + ImageChops.multiply(im, im) + ImageChops.screen(im, im) + + ImageChops.add(im, im) + ImageChops.add(im, im, 2.0) + ImageChops.add(im, im, 2.0, 128) + ImageChops.subtract(im, im) + ImageChops.subtract(im, im, 2.0) + ImageChops.subtract(im, im, 2.0, 128) + + ImageChops.add_modulo(im, im) + ImageChops.subtract_modulo(im, im) + + ImageChops.blend(im, im, 0.5) + ImageChops.composite(im, im, im) + + ImageChops.soft_light(im, im) + ImageChops.hard_light(im, im) + ImageChops.overlay(im, im) + + ImageChops.offset(im, 10) + ImageChops.offset(im, 10, 20) + + +def test_add(): + # Arrange + with Image.open("Tests/images/imagedraw_ellipse_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im2: + + # Act + new = ImageChops.add(im1, im2) + + # Assert + assert new.getbbox() == (25, 25, 76, 76) + assert new.getpixel((50, 50)) == ORANGE + + +def test_add_scale_offset(): + # Arrange + with Image.open("Tests/images/imagedraw_ellipse_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im2: + + # Act + new = ImageChops.add(im1, im2, scale=2.5, offset=100) + + # Assert + assert new.getbbox() == (0, 0, 100, 100) + assert new.getpixel((50, 50)) == (202, 151, 100) + + +def test_add_clip(): + # Arrange + im = hopper() + + # Act + new = ImageChops.add(im, im) + + # Assert + assert new.getpixel((50, 50)) == (255, 255, 254) + + +def test_add_modulo(): + # Arrange + with Image.open("Tests/images/imagedraw_ellipse_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im2: + + # Act + new = ImageChops.add_modulo(im1, im2) + + # Assert + assert new.getbbox() == (25, 25, 76, 76) + assert new.getpixel((50, 50)) == ORANGE + + +def test_add_modulo_no_clip(): + # Arrange + im = hopper() + + # Act + new = ImageChops.add_modulo(im, im) + + # Assert + assert new.getpixel((50, 50)) == (224, 76, 254) + + +def test_blend(): + # Arrange + with Image.open("Tests/images/imagedraw_ellipse_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im2: + + # Act + new = ImageChops.blend(im1, im2, 0.5) + + # Assert + assert new.getbbox() == (25, 25, 76, 76) + assert new.getpixel((50, 50)) == BROWN + + +def test_constant(): + # Arrange + im = Image.new("RGB", (20, 10)) + + # Act + new = ImageChops.constant(im, GREY) + + # Assert + assert new.size == im.size + assert new.getpixel((0, 0)) == GREY + assert new.getpixel((19, 9)) == GREY + + +def test_darker_image(): + # Arrange + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_outline_chord_RGB.png") as im2: + + # Act + new = ImageChops.darker(im1, im2) + + # Assert + assert_image_equal(new, im2) + + +def test_darker_pixel(): + # Arrange + im1 = hopper() + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im2: + + # Act + new = ImageChops.darker(im1, im2) + + # Assert + assert new.getpixel((50, 50)) == (240, 166, 0) + + +def test_difference(): + # Arrange + with Image.open("Tests/images/imagedraw_arc_end_le_start.png") as im1: + with Image.open("Tests/images/imagedraw_arc_no_loops.png") as im2: + + # Act + new = ImageChops.difference(im1, im2) + + # Assert + assert new.getbbox() == (25, 25, 76, 76) + + +def test_difference_pixel(): + # Arrange + im1 = hopper() + with Image.open("Tests/images/imagedraw_polygon_kite_RGB.png") as im2: + + # Act + new = ImageChops.difference(im1, im2) + + # Assert + assert new.getpixel((50, 50)) == (240, 166, 128) + + +def test_duplicate(): + # Arrange + im = hopper() + + # Act + new = ImageChops.duplicate(im) + + # Assert + assert_image_equal(new, im) + + +def test_invert(): + # Arrange + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im: + + # Act + new = ImageChops.invert(im) + + # Assert + assert new.getbbox() == (0, 0, 100, 100) + assert new.getpixel((0, 0)) == WHITE + assert new.getpixel((50, 50)) == CYAN + + +def test_lighter_image(): + # Arrange + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_outline_chord_RGB.png") as im2: + + # Act + new = ImageChops.lighter(im1, im2) + + # Assert + assert_image_equal(new, im1) + + +def test_lighter_pixel(): + # Arrange + im1 = hopper() + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im2: + + # Act + new = ImageChops.lighter(im1, im2) + + # Assert + assert new.getpixel((50, 50)) == (255, 255, 127) + + +def test_multiply_black(): + """If you multiply an image with a solid black image, + the result is black.""" + # Arrange + im1 = hopper() + black = Image.new("RGB", im1.size, "black") + + # Act + new = ImageChops.multiply(im1, black) + + # Assert + assert_image_equal(new, black) + + +def test_multiply_green(): + # Arrange + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im: + green = Image.new("RGB", im.size, "green") + + # Act + new = ImageChops.multiply(im, green) + + # Assert + assert new.getbbox() == (25, 25, 76, 76) + assert new.getpixel((25, 25)) == DARK_GREEN + assert new.getpixel((50, 50)) == BLACK + + +def test_multiply_white(): + """If you multiply with a solid white image, the image is unaffected.""" + # Arrange + im1 = hopper() + white = Image.new("RGB", im1.size, "white") + + # Act + new = ImageChops.multiply(im1, white) + + # Assert + assert_image_equal(new, im1) + + +def test_offset(): + # Arrange + xoffset = 45 + yoffset = 20 + with Image.open("Tests/images/imagedraw_ellipse_RGB.png") as im: + + # Act + new = ImageChops.offset(im, xoffset, yoffset) + + # Assert + assert new.getbbox() == (0, 45, 100, 96) + assert new.getpixel((50, 50)) == BLACK + assert new.getpixel((50 + xoffset, 50 + yoffset)) == DARK_GREEN + + # Test no yoffset + assert ImageChops.offset(im, xoffset) == ImageChops.offset(im, xoffset, xoffset) + + +def test_screen(): + # Arrange + with Image.open("Tests/images/imagedraw_ellipse_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im2: + + # Act + new = ImageChops.screen(im1, im2) + + # Assert + assert new.getbbox() == (25, 25, 76, 76) + assert new.getpixel((50, 50)) == ORANGE + + +def test_subtract(): + # Arrange + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_outline_chord_RGB.png") as im2: + + # Act + new = ImageChops.subtract(im1, im2) + + # Assert + assert new.getbbox() == (25, 50, 76, 76) + assert new.getpixel((50, 51)) == GREEN + assert new.getpixel((50, 52)) == BLACK + + +def test_subtract_scale_offset(): + # Arrange + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_outline_chord_RGB.png") as im2: + + # Act + new = ImageChops.subtract(im1, im2, scale=2.5, offset=100) + + # Assert + assert new.getbbox() == (0, 0, 100, 100) + assert new.getpixel((50, 50)) == (100, 202, 100) + + +def test_subtract_clip(): + # Arrange + im1 = hopper() + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im2: + + # Act + new = ImageChops.subtract(im1, im2) + + # Assert + assert new.getpixel((50, 50)) == (0, 0, 127) + + +def test_subtract_modulo(): + # Arrange + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_outline_chord_RGB.png") as im2: + + # Act + new = ImageChops.subtract_modulo(im1, im2) + + # Assert + assert new.getbbox() == (25, 50, 76, 76) + assert new.getpixel((50, 51)) == GREEN + assert new.getpixel((50, 52)) == BLACK + + +def test_subtract_modulo_no_clip(): + # Arrange + im1 = hopper() + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im2: + + # Act + new = ImageChops.subtract_modulo(im1, im2) + + # Assert + assert new.getpixel((50, 50)) == (241, 167, 127) + + +def test_soft_light(): + # Arrange + with Image.open("Tests/images/hopper.png") as im1: + with Image.open("Tests/images/hopper-XYZ.png") as im2: + + # Act + new = ImageChops.soft_light(im1, im2) + + # Assert + assert new.getpixel((64, 64)) == (163, 54, 32) + assert new.getpixel((15, 100)) == (1, 1, 3) + + +def test_hard_light(): + # Arrange + with Image.open("Tests/images/hopper.png") as im1: + with Image.open("Tests/images/hopper-XYZ.png") as im2: + + # Act + new = ImageChops.hard_light(im1, im2) + + # Assert + assert new.getpixel((64, 64)) == (144, 50, 27) + assert new.getpixel((15, 100)) == (1, 1, 2) + + +def test_overlay(): + # Arrange + with Image.open("Tests/images/hopper.png") as im1: + with Image.open("Tests/images/hopper-XYZ.png") as im2: + + # Act + new = ImageChops.overlay(im1, im2) + + # Assert + assert new.getpixel((64, 64)) == (159, 50, 27) + assert new.getpixel((15, 100)) == (1, 1, 2) + + +def test_logical(): + def table(op, a, b): + out = [] + for x in (a, b): + imx = Image.new("1", (1, 1), x) + for y in (a, b): + imy = Image.new("1", (1, 1), y) + out.append(op(imx, imy).getpixel((0, 0))) + return tuple(out) + + assert table(ImageChops.logical_and, 0, 1) == (0, 0, 0, 255) + assert table(ImageChops.logical_or, 0, 1) == (0, 255, 255, 255) + assert table(ImageChops.logical_xor, 0, 1) == (0, 255, 255, 0) + + assert table(ImageChops.logical_and, 0, 128) == (0, 0, 0, 255) + assert table(ImageChops.logical_or, 0, 128) == (0, 255, 255, 255) + assert table(ImageChops.logical_xor, 0, 128) == (0, 255, 255, 0) + + assert table(ImageChops.logical_and, 0, 255) == (0, 0, 0, 255) + assert table(ImageChops.logical_or, 0, 255) == (0, 255, 255, 255) + assert table(ImageChops.logical_xor, 0, 255) == (0, 255, 255, 0) diff --git a/Tests/test_imagecms.py b/Tests/test_imagecms.py index e1a3e0af5c4..99f3b4e0329 100644 --- a/Tests/test_imagecms.py +++ b/Tests/test_imagecms.py @@ -1,17 +1,28 @@ -from helper import unittest, PillowTestCase, hopper import datetime +import os +import re +import shutil +from io import BytesIO -from PIL import Image +import pytest -from io import BytesIO -import os +from PIL import Image, ImageMode, features + +from .helper import ( + assert_image, + assert_image_equal, + assert_image_similar, + assert_image_similar_tofile, + hopper, +) try: from PIL import ImageCms from PIL.ImageCms import ImageCmsProfile + ImageCms.core.profile_open -except ImportError as v: - # Skipped via setUp() +except ImportError: + # Skipped via setup_module() pass @@ -19,319 +30,566 @@ HAVE_PROFILE = os.path.exists(SRGB) -class TestImageCms(PillowTestCase): +def setup_module(): + try: + from PIL import ImageCms - def setUp(self): - try: - from PIL import ImageCms - # need to hit getattr to trigger the delayed import error - ImageCms.core.profile_open - except ImportError as v: - self.skipTest(v) + # need to hit getattr to trigger the delayed import error + ImageCms.core.profile_open + except ImportError as v: + pytest.skip(str(v)) - def skip_missing(self): - if not HAVE_PROFILE: - self.skipTest("SRGB profile not available") - def test_sanity(self): +def skip_missing(): + if not HAVE_PROFILE: + pytest.skip("SRGB profile not available") - # basic smoke test. - # this mostly follows the cms_test outline. - v = ImageCms.versions() # should return four strings - self.assertEqual(v[0], '1.0.0 pil') - self.assertEqual(list(map(type, v)), [str, str, str, str]) +def test_sanity(): + # basic smoke test. + # this mostly follows the cms_test outline. - # internal version number - self.assertRegexpMatches(ImageCms.core.littlecms_version, r"\d+\.\d+$") + v = ImageCms.versions() # should return four strings + assert v[0] == "1.0.0 pil" + assert list(map(type, v)) == [str, str, str, str] - self.skip_missing() - i = ImageCms.profileToProfile(hopper(), SRGB, SRGB) - self.assert_image(i, "RGB", (128, 128)) + # internal version number + assert re.search(r"\d+\.\d+(\.\d+)?$", features.version_module("littlecms2")) - i = hopper() - ImageCms.profileToProfile(i, SRGB, SRGB, inPlace=True) - self.assert_image(i, "RGB", (128, 128)) + skip_missing() + i = ImageCms.profileToProfile(hopper(), SRGB, SRGB) + assert_image(i, "RGB", (128, 128)) - t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB") - i = ImageCms.applyTransform(hopper(), t) - self.assert_image(i, "RGB", (128, 128)) + i = hopper() + ImageCms.profileToProfile(i, SRGB, SRGB, inPlace=True) + assert_image(i, "RGB", (128, 128)) + + t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB") + i = ImageCms.applyTransform(hopper(), t) + assert_image(i, "RGB", (128, 128)) - i = hopper() + with hopper() as i: t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB") ImageCms.applyTransform(hopper(), t, inPlace=True) - self.assert_image(i, "RGB", (128, 128)) - - p = ImageCms.createProfile("sRGB") - o = ImageCms.getOpenProfile(SRGB) - t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB") - i = ImageCms.applyTransform(hopper(), t) - self.assert_image(i, "RGB", (128, 128)) - - t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB") - self.assertEqual(t.inputMode, "RGB") - self.assertEqual(t.outputMode, "RGB") - i = ImageCms.applyTransform(hopper(), t) - self.assert_image(i, "RGB", (128, 128)) - - # test PointTransform convenience API - hopper().point(t) - - def test_name(self): - self.skip_missing() - # get profile information for file - self.assertEqual( - ImageCms.getProfileName(SRGB).strip(), - 'IEC 61966-2-1 Default RGB Colour Space - sRGB') - - def test_info(self): - self.skip_missing() - self.assertEqual( - ImageCms.getProfileInfo(SRGB).splitlines(), [ - 'sRGB IEC61966-2-1 black scaled', '', - 'Copyright International Color Consortium, 2009', '']) - - def test_copyright(self): - self.skip_missing() - self.assertEqual( - ImageCms.getProfileCopyright(SRGB).strip(), - 'Copyright International Color Consortium, 2009') - - def test_manufacturer(self): - self.skip_missing() - self.assertEqual( - ImageCms.getProfileManufacturer(SRGB).strip(), - '') - - def test_model(self): - self.skip_missing() - self.assertEqual( - ImageCms.getProfileModel(SRGB).strip(), - 'IEC 61966-2-1 Default RGB Colour Space - sRGB') - - def test_description(self): - self.skip_missing() - self.assertEqual( - ImageCms.getProfileDescription(SRGB).strip(), - 'sRGB IEC61966-2-1 black scaled') - - def test_intent(self): - self.skip_missing() - self.assertEqual(ImageCms.getDefaultIntent(SRGB), 0) - self.assertEqual(ImageCms.isIntentSupported( - SRGB, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC, - ImageCms.DIRECTION_INPUT), 1) - - def test_profile_object(self): - # same, using profile object - p = ImageCms.createProfile("sRGB") - # self.assertEqual(ImageCms.getProfileName(p).strip(), - # 'sRGB built-in - (lcms internal)') - # self.assertEqual(ImageCms.getProfileInfo(p).splitlines(), - # ['sRGB built-in', '', 'WhitePoint : D65 (daylight)', '', '']) - self.assertEqual(ImageCms.getDefaultIntent(p), 0) - self.assertEqual(ImageCms.isIntentSupported( - p, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC, - ImageCms.DIRECTION_INPUT), 1) - - def test_extensions(self): - # extensions - - i = Image.open("Tests/images/rgb.jpg") + assert_image(i, "RGB", (128, 128)) + + p = ImageCms.createProfile("sRGB") + o = ImageCms.getOpenProfile(SRGB) + t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB") + i = ImageCms.applyTransform(hopper(), t) + assert_image(i, "RGB", (128, 128)) + + t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB") + assert t.inputMode == "RGB" + assert t.outputMode == "RGB" + i = ImageCms.applyTransform(hopper(), t) + assert_image(i, "RGB", (128, 128)) + + # test PointTransform convenience API + hopper().point(t) + + +def test_name(): + skip_missing() + # get profile information for file + assert ( + ImageCms.getProfileName(SRGB).strip() + == "IEC 61966-2-1 Default RGB Colour Space - sRGB" + ) + + +def test_info(): + skip_missing() + assert ImageCms.getProfileInfo(SRGB).splitlines() == [ + "sRGB IEC61966-2-1 black scaled", + "", + "Copyright International Color Consortium, 2009", + "", + ] + + +def test_copyright(): + skip_missing() + assert ( + ImageCms.getProfileCopyright(SRGB).strip() + == "Copyright International Color Consortium, 2009" + ) + + +def test_manufacturer(): + skip_missing() + assert ImageCms.getProfileManufacturer(SRGB).strip() == "" + + +def test_model(): + skip_missing() + assert ( + ImageCms.getProfileModel(SRGB).strip() + == "IEC 61966-2-1 Default RGB Colour Space - sRGB" + ) + + +def test_description(): + skip_missing() + assert ( + ImageCms.getProfileDescription(SRGB).strip() == "sRGB IEC61966-2-1 black scaled" + ) + + +def test_intent(): + skip_missing() + assert ImageCms.getDefaultIntent(SRGB) == 0 + support = ImageCms.isIntentSupported( + SRGB, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC, ImageCms.DIRECTION_INPUT + ) + assert support == 1 + + +def test_profile_object(): + # same, using profile object + p = ImageCms.createProfile("sRGB") + # assert ImageCms.getProfileName(p).strip() == "sRGB built-in - (lcms internal)" + # assert ImageCms.getProfileInfo(p).splitlines() == + # ["sRGB built-in", "", "WhitePoint : D65 (daylight)", "", ""] + assert ImageCms.getDefaultIntent(p) == 0 + support = ImageCms.isIntentSupported( + p, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC, ImageCms.DIRECTION_INPUT + ) + assert support == 1 + + +def test_extensions(): + # extensions + + with Image.open("Tests/images/rgb.jpg") as i: p = ImageCms.getOpenProfile(BytesIO(i.info["icc_profile"])) - self.assertEqual( - ImageCms.getProfileName(p).strip(), - 'IEC 61966-2.1 Default RGB colour space - sRGB') + assert ( + ImageCms.getProfileName(p).strip() + == "IEC 61966-2.1 Default RGB colour space - sRGB" + ) + - def test_exceptions(self): - # the procedural pyCMS API uses PyCMSError for all sorts of errors - self.assertRaises( - ImageCms.PyCMSError, - lambda: ImageCms.profileToProfile(hopper(), "foo", "bar")) - self.assertRaises( - ImageCms.PyCMSError, - lambda: ImageCms.buildTransform("foo", "bar", "RGB", "RGB")) - self.assertRaises( - ImageCms.PyCMSError, - lambda: ImageCms.getProfileName(None)) - self.skip_missing() - self.assertRaises( - ImageCms.PyCMSError, - lambda: ImageCms.isIntentSupported(SRGB, None, None)) +def test_exceptions(): + # Test mode mismatch + psRGB = ImageCms.createProfile("sRGB") + pLab = ImageCms.createProfile("LAB") + t = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB") + with pytest.raises(ValueError): + t.apply_in_place(hopper("RGBA")) - def test_display_profile(self): - # try fetching the profile for the current display device - ImageCms.get_display_profile() + # the procedural pyCMS API uses PyCMSError for all sorts of errors + with hopper() as im: + with pytest.raises(ImageCms.PyCMSError): + ImageCms.profileToProfile(im, "foo", "bar") + with pytest.raises(ImageCms.PyCMSError): + ImageCms.buildTransform("foo", "bar", "RGB", "RGB") + with pytest.raises(ImageCms.PyCMSError): + ImageCms.getProfileName(None) + skip_missing() + with pytest.raises(ImageCms.PyCMSError): + ImageCms.isIntentSupported(SRGB, None, None) - def test_lab_color_profile(self): - ImageCms.createProfile("LAB", 5000) - ImageCms.createProfile("LAB", 6500) - def test_simple_lab(self): - i = Image.new('RGB', (10, 10), (128, 128, 128)) +def test_display_profile(): + # try fetching the profile for the current display device + ImageCms.get_display_profile() - psRGB = ImageCms.createProfile("sRGB") - pLab = ImageCms.createProfile("LAB") - t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB") - i_lab = ImageCms.applyTransform(i, t) +def test_lab_color_profile(): + ImageCms.createProfile("LAB", 5000) + ImageCms.createProfile("LAB", 6500) - self.assertEqual(i_lab.mode, 'LAB') - k = i_lab.getpixel((0, 0)) - # not a linear luminance map. so L != 128: - self.assertEqual(k, (137, 128, 128)) +def test_unsupported_color_space(): + with pytest.raises(ImageCms.PyCMSError): + ImageCms.createProfile("unsupported") - l = i_lab.getdata(0) - a = i_lab.getdata(1) - b = i_lab.getdata(2) - self.assertEqual(list(l), [137] * 100) - self.assertEqual(list(a), [128] * 100) - self.assertEqual(list(b), [128] * 100) +def test_invalid_color_temperature(): + with pytest.raises(ImageCms.PyCMSError): + ImageCms.createProfile("LAB", "invalid") - def test_lab_color(self): - psRGB = ImageCms.createProfile("sRGB") - pLab = ImageCms.createProfile("LAB") - t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB") - # Need to add a type mapping for some PIL type to TYPE_Lab_8 in - # findLCMSType, and have that mapping work back to a PIL mode - # (likely RGB). - i = ImageCms.applyTransform(hopper(), t) - self.assert_image(i, "LAB", (128, 128)) +def test_simple_lab(): + i = Image.new("RGB", (10, 10), (128, 128, 128)) - # i.save('temp.lab.tif') # visually verified vs PS. + psRGB = ImageCms.createProfile("sRGB") + pLab = ImageCms.createProfile("LAB") + t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB") - target = Image.open('Tests/images/hopper.Lab.tif') + i_lab = ImageCms.applyTransform(i, t) - self.assert_image_similar(i, target, 30) + assert i_lab.mode == "LAB" - def test_lab_srgb(self): - psRGB = ImageCms.createProfile("sRGB") - pLab = ImageCms.createProfile("LAB") - t = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB") + k = i_lab.getpixel((0, 0)) + # not a linear luminance map. so L != 128: + assert k == (137, 128, 128) - img = Image.open('Tests/images/hopper.Lab.tif') + l_data = i_lab.getdata(0) + a_data = i_lab.getdata(1) + b_data = i_lab.getdata(2) + assert list(l_data) == [137] * 100 + assert list(a_data) == [128] * 100 + assert list(b_data) == [128] * 100 + + +def test_lab_color(): + psRGB = ImageCms.createProfile("sRGB") + pLab = ImageCms.createProfile("LAB") + t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB") + + # Need to add a type mapping for some PIL type to TYPE_Lab_8 in findLCMSType, and + # have that mapping work back to a PIL mode (likely RGB). + i = ImageCms.applyTransform(hopper(), t) + assert_image(i, "LAB", (128, 128)) + + # i.save('temp.lab.tif') # visually verified vs PS. + + assert_image_similar_tofile(i, "Tests/images/hopper.Lab.tif", 3.5) + + +def test_lab_srgb(): + psRGB = ImageCms.createProfile("sRGB") + pLab = ImageCms.createProfile("LAB") + t = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB") + + with Image.open("Tests/images/hopper.Lab.tif") as img: img_srgb = ImageCms.applyTransform(img, t) - # img_srgb.save('temp.srgb.tif') # visually verified vs ps. + # img_srgb.save('temp.srgb.tif') # visually verified vs ps. + + assert_image_similar(hopper(), img_srgb, 30) + assert img_srgb.info["icc_profile"] + + profile = ImageCmsProfile(BytesIO(img_srgb.info["icc_profile"])) + assert "sRGB" in ImageCms.getProfileDescription(profile) - self.assert_image_similar(hopper(), img_srgb, 30) - self.assertTrue(img_srgb.info['icc_profile']) - profile = ImageCmsProfile(BytesIO(img_srgb.info['icc_profile'])) - self.assertTrue('sRGB' in ImageCms.getProfileDescription(profile)) +def test_lab_roundtrip(): + # check to see if we're at least internally consistent. + psRGB = ImageCms.createProfile("sRGB") + pLab = ImageCms.createProfile("LAB") + t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB") - def test_lab_roundtrip(self): - # check to see if we're at least internally consistent. - psRGB = ImageCms.createProfile("sRGB") - pLab = ImageCms.createProfile("LAB") - t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB") + t2 = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB") - t2 = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB") + i = ImageCms.applyTransform(hopper(), t) - i = ImageCms.applyTransform(hopper(), t) + assert i.info["icc_profile"] == ImageCmsProfile(pLab).tobytes() - self.assertEqual(i.info['icc_profile'], - ImageCmsProfile(pLab).tobytes()) + out = ImageCms.applyTransform(i, t2) - out = ImageCms.applyTransform(i, t2) + assert_image_similar(hopper(), out, 2) - self.assert_image_similar(hopper(), out, 2) - def test_profile_tobytes(self): - i = Image.open("Tests/images/rgb.jpg") +def test_profile_tobytes(): + with Image.open("Tests/images/rgb.jpg") as i: p = ImageCms.getOpenProfile(BytesIO(i.info["icc_profile"])) - p2 = ImageCms.getOpenProfile(BytesIO(p.tobytes())) - - # not the same bytes as the original icc_profile, - # but it does roundtrip - self.assertEqual(p.tobytes(), p2.tobytes()) - self.assertEqual(ImageCms.getProfileName(p), - ImageCms.getProfileName(p2)) - self.assertEqual(ImageCms.getProfileDescription(p), - ImageCms.getProfileDescription(p2)) - - def test_extended_information(self): - self.skip_missing() - o = ImageCms.getOpenProfile(SRGB) - p = o.profile - - def assert_truncated_tuple_equal(tup1, tup2, digits=10): - # Helper function to reduce precision of tuples of floats - # recursively and then check equality. - power = 10 ** digits - - def truncate_tuple(tuple_or_float): - return tuple( - truncate_tuple(val) if isinstance(val, tuple) - else int(val * power) / power for val in tuple_or_float) - self.assertEqual(truncate_tuple(tup1), truncate_tuple(tup2)) - - self.assertEqual(p.attributes, 4294967296) - assert_truncated_tuple_equal(p.blue_colorant, ((0.14306640625, 0.06060791015625, 0.7140960693359375), (0.1558847490315394, 0.06603820639433387, 0.06060791015625))) - assert_truncated_tuple_equal(p.blue_primary, ((0.14306641366715667, 0.06060790921083026, 0.7140960805782015), (0.15588475410450106, 0.06603820408959558, 0.06060790921083026))) - assert_truncated_tuple_equal(p.chromatic_adaptation, (((1.04791259765625, 0.0229339599609375, -0.050201416015625), (0.02960205078125, 0.9904632568359375, -0.0170745849609375), (-0.009246826171875, 0.0150604248046875, 0.7517852783203125)), ((1.0267159024652783, 0.022470062342089134, 0.0229339599609375), (0.02951378324103937, 0.9875098886387147, 0.9904632568359375), (-0.012205438066465256, 0.01987915407854985, 0.0150604248046875)))) - self.assertEqual(p.chromaticity, None) - self.assertEqual(p.clut, {0: (False, False, True), 1: (False, False, True), 2: (False, False, True), 3: (False, False, True)}) - self.assertEqual(p.color_space, 'RGB') - self.assertEqual(p.colorant_table, None) - self.assertEqual(p.colorant_table_out, None) - self.assertEqual(p.colorimetric_intent, None) - self.assertEqual(p.connection_space, 'XYZ ') - self.assertEqual(p.copyright, 'Copyright International Color Consortium, 2009') - self.assertEqual(p.creation_date, datetime.datetime(2009, 2, 27, 21, 36, 31)) - self.assertEqual(p.device_class, 'mntr') - assert_truncated_tuple_equal(p.green_colorant, ((0.3851470947265625, 0.7168731689453125, 0.097076416015625), (0.32119769927720654, 0.5978443449048152, 0.7168731689453125))) - assert_truncated_tuple_equal(p.green_primary, ((0.3851470888162112, 0.7168731974161346, 0.09707641738998518), (0.32119768793686687, 0.5978443567149709, 0.7168731974161346))) - self.assertEqual(p.header_flags, 0) - self.assertEqual(p.header_manufacturer, '\x00\x00\x00\x00') - self.assertEqual(p.header_model, '\x00\x00\x00\x00') - self.assertEqual(p.icc_measurement_condition, {'backing': (0.0, 0.0, 0.0), 'flare': 0.0, 'geo': 'unknown', 'observer': 1, 'illuminant_type': 'D65'}) - self.assertEqual(p.icc_version, 33554432) - self.assertEqual(p.icc_viewing_condition, None) - self.assertEqual(p.intent_supported, {0: (True, True, True), 1: (True, True, True), 2: (True, True, True), 3: (True, True, True)}) - self.assertEqual(p.is_matrix_shaper, True) - self.assertEqual(p.luminance, ((0.0, 80.0, 0.0), (0.0, 1.0, 80.0))) - self.assertEqual(p.manufacturer, None) - assert_truncated_tuple_equal(p.media_black_point, ((0.012054443359375, 0.0124969482421875, 0.01031494140625), (0.34573304157549234, 0.35842450765864337, 0.0124969482421875))) - assert_truncated_tuple_equal(p.media_white_point, ((0.964202880859375, 1.0, 0.8249053955078125), (0.3457029219802284, 0.3585375327567059, 1.0))) - assert_truncated_tuple_equal((p.media_white_point_temperature,), (5000.722328847392,)) - self.assertEqual(p.model, 'IEC 61966-2-1 Default RGB Colour Space - sRGB') - self.assertEqual(p.pcs, 'XYZ') - self.assertEqual(p.perceptual_rendering_intent_gamut, None) - self.assertEqual(p.product_copyright, 'Copyright International Color Consortium, 2009') - self.assertEqual(p.product_desc, 'sRGB IEC61966-2-1 black scaled') - self.assertEqual(p.product_description, 'sRGB IEC61966-2-1 black scaled') - self.assertEqual(p.product_manufacturer, '') - self.assertEqual(p.product_model, 'IEC 61966-2-1 Default RGB Colour Space - sRGB') - self.assertEqual(p.profile_description, 'sRGB IEC61966-2-1 black scaled') - self.assertEqual(p.profile_id, b')\xf8=\xde\xaf\xf2U\xaexB\xfa\xe4\xca\x839\r') - assert_truncated_tuple_equal(p.red_colorant, ((0.436065673828125, 0.2224884033203125, 0.013916015625), (0.6484536316398539, 0.3308524880306778, 0.2224884033203125))) - assert_truncated_tuple_equal(p.red_primary, ((0.43606566581047446, 0.22248840582960838, 0.013916015621759925), (0.6484536250319214, 0.3308524944738204, 0.22248840582960838))) - self.assertEqual(p.rendering_intent, 0) - self.assertEqual(p.saturation_rendering_intent_gamut, None) - self.assertEqual(p.screening_description, None) - self.assertEqual(p.target, None) - self.assertEqual(p.technology, 'CRT ') - self.assertEqual(p.version, 2.0) - self.assertEqual(p.viewing_condition, 'Reference Viewing Condition in IEC 61966-2-1') - self.assertEqual(p.xcolor_space, 'RGB ') - - def test_profile_typesafety(self): - """ Profile init type safety - - prepatch, these would segfault, postpatch they should emit a typeerror - """ - - with self.assertRaises(TypeError): - ImageCms.ImageCmsProfile(0).tobytes() - with self.assertRaises(TypeError): - ImageCms.ImageCmsProfile(1).tobytes() - - -if __name__ == '__main__': - unittest.main() + p2 = ImageCms.getOpenProfile(BytesIO(p.tobytes())) + + # not the same bytes as the original icc_profile, but it does roundtrip + assert p.tobytes() == p2.tobytes() + assert ImageCms.getProfileName(p) == ImageCms.getProfileName(p2) + assert ImageCms.getProfileDescription(p) == ImageCms.getProfileDescription(p2) + + +def test_extended_information(): + skip_missing() + o = ImageCms.getOpenProfile(SRGB) + p = o.profile + + def assert_truncated_tuple_equal(tup1, tup2, digits=10): + # Helper function to reduce precision of tuples of floats + # recursively and then check equality. + power = 10 ** digits + + def truncate_tuple(tuple_or_float): + return tuple( + truncate_tuple(val) + if isinstance(val, tuple) + else int(val * power) / power + for val in tuple_or_float + ) + + assert truncate_tuple(tup1) == truncate_tuple(tup2) + + assert p.attributes == 4294967296 + assert_truncated_tuple_equal( + p.blue_colorant, + ( + (0.14306640625, 0.06060791015625, 0.7140960693359375), + (0.1558847490315394, 0.06603820639433387, 0.06060791015625), + ), + ) + assert_truncated_tuple_equal( + p.blue_primary, + ( + (0.14306641366715667, 0.06060790921083026, 0.7140960805782015), + (0.15588475410450106, 0.06603820408959558, 0.06060790921083026), + ), + ) + assert_truncated_tuple_equal( + p.chromatic_adaptation, + ( + ( + (1.04791259765625, 0.0229339599609375, -0.050201416015625), + (0.02960205078125, 0.9904632568359375, -0.0170745849609375), + (-0.009246826171875, 0.0150604248046875, 0.7517852783203125), + ), + ( + (1.0267159024652783, 0.022470062342089134, 0.0229339599609375), + (0.02951378324103937, 0.9875098886387147, 0.9904632568359375), + (-0.012205438066465256, 0.01987915407854985, 0.0150604248046875), + ), + ), + ) + assert p.chromaticity is None + assert p.clut == { + 0: (False, False, True), + 1: (False, False, True), + 2: (False, False, True), + 3: (False, False, True), + } + + assert p.colorant_table is None + assert p.colorant_table_out is None + assert p.colorimetric_intent is None + assert p.connection_space == "XYZ " + assert p.copyright == "Copyright International Color Consortium, 2009" + assert p.creation_date == datetime.datetime(2009, 2, 27, 21, 36, 31) + assert p.device_class == "mntr" + assert_truncated_tuple_equal( + p.green_colorant, + ( + (0.3851470947265625, 0.7168731689453125, 0.097076416015625), + (0.32119769927720654, 0.5978443449048152, 0.7168731689453125), + ), + ) + assert_truncated_tuple_equal( + p.green_primary, + ( + (0.3851470888162112, 0.7168731974161346, 0.09707641738998518), + (0.32119768793686687, 0.5978443567149709, 0.7168731974161346), + ), + ) + assert p.header_flags == 0 + assert p.header_manufacturer == "\x00\x00\x00\x00" + assert p.header_model == "\x00\x00\x00\x00" + assert p.icc_measurement_condition == { + "backing": (0.0, 0.0, 0.0), + "flare": 0.0, + "geo": "unknown", + "observer": 1, + "illuminant_type": "D65", + } + assert p.icc_version == 33554432 + assert p.icc_viewing_condition is None + assert p.intent_supported == { + 0: (True, True, True), + 1: (True, True, True), + 2: (True, True, True), + 3: (True, True, True), + } + assert p.is_matrix_shaper + assert p.luminance == ((0.0, 80.0, 0.0), (0.0, 1.0, 80.0)) + assert p.manufacturer is None + assert_truncated_tuple_equal( + p.media_black_point, + ( + (0.012054443359375, 0.0124969482421875, 0.01031494140625), + (0.34573304157549234, 0.35842450765864337, 0.0124969482421875), + ), + ) + assert_truncated_tuple_equal( + p.media_white_point, + ( + (0.964202880859375, 1.0, 0.8249053955078125), + (0.3457029219802284, 0.3585375327567059, 1.0), + ), + ) + assert_truncated_tuple_equal( + (p.media_white_point_temperature,), (5000.722328847392,) + ) + assert p.model == "IEC 61966-2-1 Default RGB Colour Space - sRGB" + + assert p.perceptual_rendering_intent_gamut is None + + assert p.profile_description == "sRGB IEC61966-2-1 black scaled" + assert p.profile_id == b")\xf8=\xde\xaf\xf2U\xaexB\xfa\xe4\xca\x839\r" + assert_truncated_tuple_equal( + p.red_colorant, + ( + (0.436065673828125, 0.2224884033203125, 0.013916015625), + (0.6484536316398539, 0.3308524880306778, 0.2224884033203125), + ), + ) + assert_truncated_tuple_equal( + p.red_primary, + ( + (0.43606566581047446, 0.22248840582960838, 0.013916015621759925), + (0.6484536250319214, 0.3308524944738204, 0.22248840582960838), + ), + ) + assert p.rendering_intent == 0 + assert p.saturation_rendering_intent_gamut is None + assert p.screening_description is None + assert p.target is None + assert p.technology == "CRT " + assert p.version == 2.0 + assert p.viewing_condition == "Reference Viewing Condition in IEC 61966-2-1" + assert p.xcolor_space == "RGB " + + +def test_non_ascii_path(tmp_path): + skip_missing() + tempfile = str(tmp_path / ("temp_" + chr(128) + ".icc")) + try: + shutil.copy(SRGB, tempfile) + except UnicodeEncodeError: + pytest.skip("Non-ASCII path could not be created") + + o = ImageCms.getOpenProfile(tempfile) + p = o.profile + assert p.model == "IEC 61966-2-1 Default RGB Colour Space - sRGB" + + +def test_profile_typesafety(): + """Profile init type safety + + prepatch, these would segfault, postpatch they should emit a typeerror + """ + + with pytest.raises(TypeError): + ImageCms.ImageCmsProfile(0).tobytes() + with pytest.raises(TypeError): + ImageCms.ImageCmsProfile(1).tobytes() + + +def assert_aux_channel_preserved(mode, transform_in_place, preserved_channel): + def create_test_image(): + # set up test image with something interesting in the tested aux channel. + # fmt: off + nine_grid_deltas = [ + (-1, -1), (-1, 0), (-1, 1), + (0, -1), (0, 0), (0, 1), + (1, -1), (1, 0), (1, 1), + ] + # fmt: on + chans = [] + bands = ImageMode.getmode(mode).bands + for band_ndx in range(len(bands)): + channel_type = "L" # 8-bit unorm + channel_pattern = hopper(channel_type) + + # paste pattern with varying offsets to avoid correlation + # potentially hiding some bugs (like channels getting mixed). + paste_offset = ( + int(band_ndx / len(bands) * channel_pattern.size[0]), + int(band_ndx / (len(bands) * 2) * channel_pattern.size[1]), + ) + channel_data = Image.new(channel_type, channel_pattern.size) + for delta in nine_grid_deltas: + channel_data.paste( + channel_pattern, + tuple( + paste_offset[c] + delta[c] * channel_pattern.size[c] + for c in range(2) + ), + ) + chans.append(channel_data) + return Image.merge(mode, chans) + + source_image = create_test_image() + source_image_aux = source_image.getchannel(preserved_channel) + + # create some transform, it doesn't matter which one + source_profile = ImageCms.createProfile("sRGB") + destination_profile = ImageCms.createProfile("sRGB") + t = ImageCms.buildTransform( + source_profile, destination_profile, inMode=mode, outMode=mode + ) + + # apply transform + if transform_in_place: + ImageCms.applyTransform(source_image, t, inPlace=True) + result_image = source_image + else: + result_image = ImageCms.applyTransform(source_image, t, inPlace=False) + result_image_aux = result_image.getchannel(preserved_channel) + + assert_image_equal(source_image_aux, result_image_aux) + + +def test_preserve_auxiliary_channels_rgba(): + assert_aux_channel_preserved( + mode="RGBA", transform_in_place=False, preserved_channel="A" + ) + + +def test_preserve_auxiliary_channels_rgba_in_place(): + assert_aux_channel_preserved( + mode="RGBA", transform_in_place=True, preserved_channel="A" + ) + + +def test_preserve_auxiliary_channels_rgbx(): + assert_aux_channel_preserved( + mode="RGBX", transform_in_place=False, preserved_channel="X" + ) + + +def test_preserve_auxiliary_channels_rgbx_in_place(): + assert_aux_channel_preserved( + mode="RGBX", transform_in_place=True, preserved_channel="X" + ) + + +def test_auxiliary_channels_isolated(): + # test data in aux channels does not affect non-aux channels + aux_channel_formats = [ + # format, profile, color-only format, source test image + ("RGBA", "sRGB", "RGB", hopper("RGBA")), + ("RGBX", "sRGB", "RGB", hopper("RGBX")), + ("LAB", "LAB", "LAB", Image.open("Tests/images/hopper.Lab.tif")), + ] + for src_format in aux_channel_formats: + for dst_format in aux_channel_formats: + for transform_in_place in [True, False]: + # inplace only if format doesn't change + if transform_in_place and src_format[0] != dst_format[0]: + continue + + # convert with and without AUX data, test colors are equal + source_profile = ImageCms.createProfile(src_format[1]) + destination_profile = ImageCms.createProfile(dst_format[1]) + source_image = src_format[3] + test_transform = ImageCms.buildTransform( + source_profile, + destination_profile, + inMode=src_format[0], + outMode=dst_format[0], + ) + + # test conversion from aux-ful source + if transform_in_place: + test_image = source_image.copy() + ImageCms.applyTransform(test_image, test_transform, inPlace=True) + else: + test_image = ImageCms.applyTransform( + source_image, test_transform, inPlace=False + ) + + # reference conversion from aux-less source + reference_transform = ImageCms.buildTransform( + source_profile, + destination_profile, + inMode=src_format[2], + outMode=dst_format[2], + ) + reference_image = ImageCms.applyTransform( + source_image.convert(src_format[2]), reference_transform + ) + + assert_image_equal(test_image.convert(dst_format[2]), reference_image) diff --git a/Tests/test_imagecolor.py b/Tests/test_imagecolor.py index 996367b3047..dcc44e6e342 100644 --- a/Tests/test_imagecolor.py +++ b/Tests/test_imagecolor.py @@ -1,165 +1,202 @@ -from helper import unittest, PillowTestCase - -from PIL import Image -from PIL import ImageColor - - -class TestImageColor(PillowTestCase): - - def test_hash(self): - # short 3 components - self.assertEqual((255, 0, 0), ImageColor.getrgb("#f00")) - self.assertEqual((0, 255, 0), ImageColor.getrgb("#0f0")) - self.assertEqual((0, 0, 255), ImageColor.getrgb("#00f")) - - # short 4 components - self.assertEqual((255, 0, 0, 0), ImageColor.getrgb("#f000")) - self.assertEqual((0, 255, 0, 0), ImageColor.getrgb("#0f00")) - self.assertEqual((0, 0, 255, 0), ImageColor.getrgb("#00f0")) - self.assertEqual((0, 0, 0, 255), ImageColor.getrgb("#000f")) - - # long 3 components - self.assertEqual((222, 0, 0), ImageColor.getrgb("#de0000")) - self.assertEqual((0, 222, 0), ImageColor.getrgb("#00de00")) - self.assertEqual((0, 0, 222), ImageColor.getrgb("#0000de")) - - # long 4 components - self.assertEqual((222, 0, 0, 0), ImageColor.getrgb("#de000000")) - self.assertEqual((0, 222, 0, 0), ImageColor.getrgb("#00de0000")) - self.assertEqual((0, 0, 222, 0), ImageColor.getrgb("#0000de00")) - self.assertEqual((0, 0, 0, 222), ImageColor.getrgb("#000000de")) - - # case insensitivity - self.assertEqual(ImageColor.getrgb("#DEF"), ImageColor.getrgb("#def")) - self.assertEqual(ImageColor.getrgb("#CDEF"), ImageColor.getrgb("#cdef")) - self.assertEqual(ImageColor.getrgb("#DEFDEF"), - ImageColor.getrgb("#defdef")) - self.assertEqual(ImageColor.getrgb("#CDEFCDEF"), - ImageColor.getrgb("#cdefcdef")) - - # not a number - self.assertRaises(ValueError, ImageColor.getrgb, "#fo0") - self.assertRaises(ValueError, ImageColor.getrgb, "#fo00") - self.assertRaises(ValueError, ImageColor.getrgb, "#fo0000") - self.assertRaises(ValueError, ImageColor.getrgb, "#fo000000") - - # wrong number of components - self.assertRaises(ValueError, ImageColor.getrgb, "#f0000") - self.assertRaises(ValueError, ImageColor.getrgb, "#f000000") - self.assertRaises(ValueError, ImageColor.getrgb, "#f00000000") - self.assertRaises(ValueError, ImageColor.getrgb, "#f000000000") - self.assertRaises(ValueError, ImageColor.getrgb, "#f00000 ") - - def test_colormap(self): - self.assertEqual((0, 0, 0), ImageColor.getrgb("black")) - self.assertEqual((255, 255, 255), ImageColor.getrgb("white")) - self.assertEqual((255, 255, 255), ImageColor.getrgb("WHITE")) - - self.assertRaises(ValueError, ImageColor.getrgb, "black ") - - def test_functions(self): - # rgb numbers - self.assertEqual((255, 0, 0), ImageColor.getrgb("rgb(255,0,0)")) - self.assertEqual((0, 255, 0), ImageColor.getrgb("rgb(0,255,0)")) - self.assertEqual((0, 0, 255), ImageColor.getrgb("rgb(0,0,255)")) - - # percents - self.assertEqual((255, 0, 0), ImageColor.getrgb("rgb(100%,0%,0%)")) - self.assertEqual((0, 255, 0), ImageColor.getrgb("rgb(0%,100%,0%)")) - self.assertEqual((0, 0, 255), ImageColor.getrgb("rgb(0%,0%,100%)")) - - # rgba numbers - self.assertEqual((255, 0, 0, 0), ImageColor.getrgb("rgba(255,0,0,0)")) - self.assertEqual((0, 255, 0, 0), ImageColor.getrgb("rgba(0,255,0,0)")) - self.assertEqual((0, 0, 255, 0), ImageColor.getrgb("rgba(0,0,255,0)")) - self.assertEqual((0, 0, 0, 255), ImageColor.getrgb("rgba(0,0,0,255)")) - - self.assertEqual((255, 0, 0), ImageColor.getrgb("hsl(0,100%,50%)")) - self.assertEqual((255, 0, 0), ImageColor.getrgb("hsl(360,100%,50%)")) - self.assertEqual((0, 255, 255), ImageColor.getrgb("hsl(180,100%,50%)")) - - # case insensitivity - self.assertEqual(ImageColor.getrgb("RGB(255,0,0)"), - ImageColor.getrgb("rgb(255,0,0)")) - self.assertEqual(ImageColor.getrgb("RGB(100%,0%,0%)"), - ImageColor.getrgb("rgb(100%,0%,0%)")) - self.assertEqual(ImageColor.getrgb("RGBA(255,0,0,0)"), - ImageColor.getrgb("rgba(255,0,0,0)")) - self.assertEqual(ImageColor.getrgb("HSL(0,100%,50%)"), - ImageColor.getrgb("hsl(0,100%,50%)")) - - # space agnosticism - self.assertEqual((255, 0, 0), - ImageColor.getrgb("rgb( 255 , 0 , 0 )")) - self.assertEqual((255, 0, 0), - ImageColor.getrgb("rgb( 100% , 0% , 0% )")) - self.assertEqual((255, 0, 0, 0), - ImageColor.getrgb("rgba( 255 , 0 , 0 , 0 )")) - self.assertEqual((255, 0, 0), - ImageColor.getrgb("hsl( 0 , 100% , 50% )")) - - # wrong number of components - self.assertRaises(ValueError, ImageColor.getrgb, "rgb(255,0)") - self.assertRaises(ValueError, ImageColor.getrgb, "rgb(255,0,0,0)") - - self.assertRaises(ValueError, ImageColor.getrgb, "rgb(100%,0%)") - self.assertRaises(ValueError, ImageColor.getrgb, "rgb(100%,0%,0)") - self.assertRaises(ValueError, ImageColor.getrgb, "rgb(100%,0%,0 %)") - self.assertRaises(ValueError, ImageColor.getrgb, "rgb(100%,0%,0%,0%)") - - self.assertRaises(ValueError, ImageColor.getrgb, "rgba(255,0,0)") - self.assertRaises(ValueError, ImageColor.getrgb, "rgba(255,0,0,0,0)") - - self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0,100%)") - self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0,100%,0%,0%)") - self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0%,100%,50%)") - self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0,100,50%)") - self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0,100%,50)") - - # look for rounding errors (based on code by Tim Hatch) - def test_rounding_errors(self): - - for color in list(ImageColor.colormap.keys()): - expected = Image.new( - "RGB", (1, 1), color).convert("L").getpixel((0, 0)) - actual = ImageColor.getcolor(color, 'L') - self.assertEqual(expected, actual) - - self.assertEqual( - (0, 255, 115), ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGB")) - Image.new("RGB", (1, 1), "white") - - self.assertEqual((0, 0, 0, 255), ImageColor.getcolor("black", "RGBA")) - self.assertEqual( - (255, 255, 255, 255), ImageColor.getcolor("white", "RGBA")) - self.assertEqual( - (0, 255, 115, 33), - ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGBA")) - Image.new("RGBA", (1, 1), "white") - - self.assertEqual(0, ImageColor.getcolor("black", "L")) - self.assertEqual(255, ImageColor.getcolor("white", "L")) - self.assertEqual(162, - ImageColor.getcolor("rgba(0, 255, 115, 33)", "L")) - Image.new("L", (1, 1), "white") - - self.assertEqual(0, ImageColor.getcolor("black", "1")) - self.assertEqual(255, ImageColor.getcolor("white", "1")) - # The following test is wrong, but is current behavior - # The correct result should be 255 due to the mode 1 - self.assertEqual( - 162, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1")) - # Correct behavior - # self.assertEqual( - # 255, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1")) - Image.new("1", (1, 1), "white") - - self.assertEqual((0, 255), ImageColor.getcolor("black", "LA")) - self.assertEqual((255, 255), ImageColor.getcolor("white", "LA")) - self.assertEqual( - (162, 33), ImageColor.getcolor("rgba(0, 255, 115, 33)", "LA")) - Image.new("LA", (1, 1), "white") - - -if __name__ == '__main__': - unittest.main() +import pytest + +from PIL import Image, ImageColor + + +def test_hash(): + # short 3 components + assert (255, 0, 0) == ImageColor.getrgb("#f00") + assert (0, 255, 0) == ImageColor.getrgb("#0f0") + assert (0, 0, 255) == ImageColor.getrgb("#00f") + + # short 4 components + assert (255, 0, 0, 0) == ImageColor.getrgb("#f000") + assert (0, 255, 0, 0) == ImageColor.getrgb("#0f00") + assert (0, 0, 255, 0) == ImageColor.getrgb("#00f0") + assert (0, 0, 0, 255) == ImageColor.getrgb("#000f") + + # long 3 components + assert (222, 0, 0) == ImageColor.getrgb("#de0000") + assert (0, 222, 0) == ImageColor.getrgb("#00de00") + assert (0, 0, 222) == ImageColor.getrgb("#0000de") + + # long 4 components + assert (222, 0, 0, 0) == ImageColor.getrgb("#de000000") + assert (0, 222, 0, 0) == ImageColor.getrgb("#00de0000") + assert (0, 0, 222, 0) == ImageColor.getrgb("#0000de00") + assert (0, 0, 0, 222) == ImageColor.getrgb("#000000de") + + # case insensitivity + assert ImageColor.getrgb("#DEF") == ImageColor.getrgb("#def") + assert ImageColor.getrgb("#CDEF") == ImageColor.getrgb("#cdef") + assert ImageColor.getrgb("#DEFDEF") == ImageColor.getrgb("#defdef") + assert ImageColor.getrgb("#CDEFCDEF") == ImageColor.getrgb("#cdefcdef") + + # not a number + with pytest.raises(ValueError): + ImageColor.getrgb("#fo0") + with pytest.raises(ValueError): + ImageColor.getrgb("#fo00") + with pytest.raises(ValueError): + ImageColor.getrgb("#fo0000") + with pytest.raises(ValueError): + ImageColor.getrgb("#fo000000") + + # wrong number of components + with pytest.raises(ValueError): + ImageColor.getrgb("#f0000") + with pytest.raises(ValueError): + ImageColor.getrgb("#f000000") + with pytest.raises(ValueError): + ImageColor.getrgb("#f00000000") + with pytest.raises(ValueError): + ImageColor.getrgb("#f000000000") + with pytest.raises(ValueError): + ImageColor.getrgb("#f00000 ") + + +def test_colormap(): + assert (0, 0, 0) == ImageColor.getrgb("black") + assert (255, 255, 255) == ImageColor.getrgb("white") + assert (255, 255, 255) == ImageColor.getrgb("WHITE") + + with pytest.raises(ValueError): + ImageColor.getrgb("black ") + + +def test_functions(): + # rgb numbers + assert (255, 0, 0) == ImageColor.getrgb("rgb(255,0,0)") + assert (0, 255, 0) == ImageColor.getrgb("rgb(0,255,0)") + assert (0, 0, 255) == ImageColor.getrgb("rgb(0,0,255)") + + # percents + assert (255, 0, 0) == ImageColor.getrgb("rgb(100%,0%,0%)") + assert (0, 255, 0) == ImageColor.getrgb("rgb(0%,100%,0%)") + assert (0, 0, 255) == ImageColor.getrgb("rgb(0%,0%,100%)") + + # rgba numbers + assert (255, 0, 0, 0) == ImageColor.getrgb("rgba(255,0,0,0)") + assert (0, 255, 0, 0) == ImageColor.getrgb("rgba(0,255,0,0)") + assert (0, 0, 255, 0) == ImageColor.getrgb("rgba(0,0,255,0)") + assert (0, 0, 0, 255) == ImageColor.getrgb("rgba(0,0,0,255)") + + assert (255, 0, 0) == ImageColor.getrgb("hsl(0,100%,50%)") + assert (255, 0, 0) == ImageColor.getrgb("hsl(360,100%,50%)") + assert (0, 255, 255) == ImageColor.getrgb("hsl(180,100%,50%)") + + assert (255, 0, 0) == ImageColor.getrgb("hsv(0,100%,100%)") + assert (255, 0, 0) == ImageColor.getrgb("hsv(360,100%,100%)") + assert (0, 255, 255) == ImageColor.getrgb("hsv(180,100%,100%)") + + # alternate format + assert ImageColor.getrgb("hsb(0,100%,50%)") == ImageColor.getrgb("hsv(0,100%,50%)") + + # floats + assert (254, 3, 3) == ImageColor.getrgb("hsl(0.1,99.2%,50.3%)") + assert (255, 0, 0) == ImageColor.getrgb("hsl(360.,100.0%,50%)") + + assert (253, 2, 2) == ImageColor.getrgb("hsv(0.1,99.2%,99.3%)") + assert (255, 0, 0) == ImageColor.getrgb("hsv(360.,100.0%,100%)") + + # case insensitivity + assert ImageColor.getrgb("RGB(255,0,0)") == ImageColor.getrgb("rgb(255,0,0)") + assert ImageColor.getrgb("RGB(100%,0%,0%)") == ImageColor.getrgb("rgb(100%,0%,0%)") + assert ImageColor.getrgb("RGBA(255,0,0,0)") == ImageColor.getrgb("rgba(255,0,0,0)") + assert ImageColor.getrgb("HSL(0,100%,50%)") == ImageColor.getrgb("hsl(0,100%,50%)") + assert ImageColor.getrgb("HSV(0,100%,50%)") == ImageColor.getrgb("hsv(0,100%,50%)") + assert ImageColor.getrgb("HSB(0,100%,50%)") == ImageColor.getrgb("hsb(0,100%,50%)") + + # space agnosticism + assert (255, 0, 0) == ImageColor.getrgb("rgb( 255 , 0 , 0 )") + assert (255, 0, 0) == ImageColor.getrgb("rgb( 100% , 0% , 0% )") + assert (255, 0, 0, 0) == ImageColor.getrgb("rgba( 255 , 0 , 0 , 0 )") + assert (255, 0, 0) == ImageColor.getrgb("hsl( 0 , 100% , 50% )") + assert (255, 0, 0) == ImageColor.getrgb("hsv( 0 , 100% , 100% )") + + # wrong number of components + with pytest.raises(ValueError): + ImageColor.getrgb("rgb(255,0)") + with pytest.raises(ValueError): + ImageColor.getrgb("rgb(255,0,0,0)") + + with pytest.raises(ValueError): + ImageColor.getrgb("rgb(100%,0%)") + with pytest.raises(ValueError): + ImageColor.getrgb("rgb(100%,0%,0)") + with pytest.raises(ValueError): + ImageColor.getrgb("rgb(100%,0%,0 %)") + with pytest.raises(ValueError): + ImageColor.getrgb("rgb(100%,0%,0%,0%)") + + with pytest.raises(ValueError): + ImageColor.getrgb("rgba(255,0,0)") + with pytest.raises(ValueError): + ImageColor.getrgb("rgba(255,0,0,0,0)") + + with pytest.raises(ValueError): + ImageColor.getrgb("hsl(0,100%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsl(0,100%,0%,0%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsl(0%,100%,50%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsl(0,100,50%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsl(0,100%,50)") + + with pytest.raises(ValueError): + ImageColor.getrgb("hsv(0,100%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsv(0,100%,0%,0%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsv(0%,100%,50%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsv(0,100,50%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsv(0,100%,50)") + + +# look for rounding errors (based on code by Tim Hatch) +def test_rounding_errors(): + for color in ImageColor.colormap: + expected = Image.new("RGB", (1, 1), color).convert("L").getpixel((0, 0)) + actual = ImageColor.getcolor(color, "L") + assert expected == actual + + assert (0, 255, 115) == ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGB") + Image.new("RGB", (1, 1), "white") + + assert (0, 0, 0, 255) == ImageColor.getcolor("black", "RGBA") + assert (255, 255, 255, 255) == ImageColor.getcolor("white", "RGBA") + assert (0, 255, 115, 33) == ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGBA") + Image.new("RGBA", (1, 1), "white") + + assert 0 == ImageColor.getcolor("black", "L") + assert 255 == ImageColor.getcolor("white", "L") + assert 163 == ImageColor.getcolor("rgba(0, 255, 115, 33)", "L") + Image.new("L", (1, 1), "white") + + assert 0 == ImageColor.getcolor("black", "1") + assert 255 == ImageColor.getcolor("white", "1") + # The following test is wrong, but is current behavior + # The correct result should be 255 due to the mode 1 + assert 163 == ImageColor.getcolor("rgba(0, 255, 115, 33)", "1") + # Correct behavior + # assert + # 255, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1")) + Image.new("1", (1, 1), "white") + + assert (0, 255) == ImageColor.getcolor("black", "LA") + assert (255, 255) == ImageColor.getcolor("white", "LA") + assert (163, 33) == ImageColor.getcolor("rgba(0, 255, 115, 33)", "LA") + Image.new("LA", (1, 1), "white") + + +def test_color_too_long(): + # Arrange + color_too_long = "hsl(" + "1" * 40 + "," + "1" * 40 + "%," + "1" * 40 + "%)" + + # Act / Assert + with pytest.raises(ValueError): + ImageColor.getrgb(color_too_long) diff --git a/Tests/test_imagedraw.py b/Tests/test_imagedraw.py index 6f92ac3a035..b661494c733 100644 --- a/Tests/test_imagedraw.py +++ b/Tests/test_imagedraw.py @@ -1,17 +1,22 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import Image -from PIL import ImageColor -from PIL import ImageDraw import os.path -import sys +import pytest + +from PIL import Image, ImageColor, ImageDraw, ImageFont + +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar_tofile, + hopper, + skip_unless_feature, +) BLACK = (0, 0, 0) WHITE = (255, 255, 255) GRAY = (190, 190, 190) -DEFAULT_MODE = 'RGB' -IMAGES_PATH = os.path.join('Tests', 'images', 'imagedraw') +DEFAULT_MODE = "RGB" +IMAGES_PATH = os.path.join("Tests", "images", "imagedraw") # Image size W, H = 100, 100 @@ -30,409 +35,1408 @@ POINTS1 = [(10, 10), (20, 40), (30, 30)] POINTS2 = [10, 10, 20, 40, 30, 30] +KITE_POINTS = [(10, 50), (70, 10), (90, 50), (70, 90), (10, 50)] -class TestImageDraw(PillowTestCase): - def test_sanity(self): - im = hopper("RGB").copy() +def test_sanity(): + im = hopper("RGB").copy() - draw = ImageDraw.ImageDraw(im) - draw = ImageDraw.Draw(im) + draw = ImageDraw.ImageDraw(im) + draw = ImageDraw.Draw(im) - draw.ellipse(list(range(4))) - draw.line(list(range(10))) - draw.polygon(list(range(100))) - draw.rectangle(list(range(4))) + draw.ellipse(list(range(4))) + draw.line(list(range(10))) + draw.polygon(list(range(100))) + draw.rectangle(list(range(4))) - def test_removed_methods(self): - im = hopper() + +def test_valueerror(): + with Image.open("Tests/images/chi.gif") as im: draw = ImageDraw.Draw(im) + draw.line((0, 0), fill=(0, 0, 0)) - self.assertRaises(Exception, lambda: draw.setink(0)) - self.assertRaises(Exception, lambda: draw.setfill(0)) - def test_valueerror(self): - im = Image.open("Tests/images/chi.gif") +def test_mode_mismatch(): + im = hopper("RGB").copy() - draw = ImageDraw.Draw(im) - draw.line(((0, 0)), fill=(0, 0, 0)) - del draw + with pytest.raises(ValueError): + ImageDraw.ImageDraw(im, mode="L") - def test_mode_mismatch(self): - im = hopper("RGB").copy() - self.assertRaises(ValueError, - lambda: ImageDraw.ImageDraw(im, mode="L")) +def helper_arc(bbox, start, end): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) - def helper_arc(self, bbox, start, end): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) + # Act + draw.arc(bbox, start, end) - # Act - draw.arc(bbox, start, end) - del draw + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_arc.png", 1) - # Assert - self.assert_image_similar( - im, Image.open("Tests/images/imagedraw_arc.png"), 1) - def test_arc1(self): - self.helper_arc(BBOX1, 0, 180) - self.helper_arc(BBOX1, 0.5, 180.4) +def test_arc1(): + helper_arc(BBOX1, 0, 180) + helper_arc(BBOX1, 0.5, 180.4) - def test_arc2(self): - self.helper_arc(BBOX2, 0, 180) - self.helper_arc(BBOX2, 0.5, 180.4) - def test_bitmap(self): - # Arrange - small = Image.open("Tests/images/pil123rgba.png").resize((50, 50)) - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) +def test_arc2(): + helper_arc(BBOX2, 0, 180) + helper_arc(BBOX2, 0.5, 180.4) + + +def test_arc_end_le_start(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + start = 270.5 + end = 0 + + # Act + draw.arc(BBOX1, start=start, end=end) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_arc_end_le_start.png") + + +def test_arc_no_loops(): + # No need to go in loops + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + start = 5 + end = 370 + + # Act + draw.arc(BBOX1, start=start, end=end) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_arc_no_loops.png", 1) + + +def test_arc_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.arc(BBOX1, 10, 260, width=5) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_arc_width.png", 1) + + +def test_arc_width_pieslice_large(): + # Tests an arc with a large enough width that it is a pieslice + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.arc(BBOX1, 10, 260, fill="yellow", width=100) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_arc_width_pieslice.png", 1) + + +def test_arc_width_fill(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.arc(BBOX1, 10, 260, fill="yellow", width=5) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_arc_width_fill.png", 1) + + +def test_arc_width_non_whole_angle(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + expected = "Tests/images/imagedraw_arc_width_non_whole_angle.png" + + # Act + draw.arc(BBOX1, 10, 259.5, width=5) + + # Assert + assert_image_similar_tofile(im, expected, 1) + + +def test_arc_high(): + # Arrange + im = Image.new("RGB", (200, 200)) + draw = ImageDraw.Draw(im) + + # Act + draw.arc([10, 10, 89, 189], 20, 330, width=20, fill="white") + draw.arc([110, 10, 189, 189], 20, 150, width=20, fill="white") + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_arc_high.png") + + +def test_bitmap(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + with Image.open("Tests/images/pil123rgba.png") as small: + small = small.resize((50, 50), Image.NEAREST) # Act draw.bitmap((10, 10), small) - del draw - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_bitmap.png")) + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_bitmap.png") - def helper_chord(self, bbox, start, end): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) - # Act - draw.chord(bbox, start, end, fill="red", outline="yellow") - del draw +def helper_chord(mode, bbox, start, end): + # Arrange + im = Image.new(mode, (W, H)) + draw = ImageDraw.Draw(im) + expected = f"Tests/images/imagedraw_chord_{mode}.png" - # Assert - self.assert_image_similar( - im, Image.open("Tests/images/imagedraw_chord.png"), 1) + # Act + draw.chord(bbox, start, end, fill="red", outline="yellow") - def test_chord1(self): - self.helper_chord(BBOX1, 0, 180) - self.helper_chord(BBOX1, 0.5, 180.4) + # Assert + assert_image_similar_tofile(im, expected, 1) - def test_chord2(self): - self.helper_chord(BBOX2, 0, 180) - self.helper_chord(BBOX2, 0.5, 180.4) - def helper_ellipse(self, bbox): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) +def test_chord1(): + for mode in ["RGB", "L"]: + helper_chord(mode, BBOX1, 0, 180) - # Act - draw.ellipse(bbox, fill="green", outline="blue") - del draw - # Assert - self.assert_image_similar( - im, Image.open("Tests/images/imagedraw_ellipse.png"), 1) +def test_chord2(): + for mode in ["RGB", "L"]: + helper_chord(mode, BBOX2, 0, 180) - def test_ellipse1(self): - self.helper_ellipse(BBOX1) - def test_ellipse2(self): - self.helper_ellipse(BBOX2) +def test_chord_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) - def test_ellipse_edge(self): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) + # Act + draw.chord(BBOX1, 10, 260, outline="yellow", width=5) - # Act - draw.ellipse(((0, 0), (W-1, H)), fill="white") - del draw + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_chord_width.png", 1) - # Assert - self.assert_image_similar( - im, Image.open("Tests/images/imagedraw_ellipse_edge.png"), 1) - def helper_line(self, points): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) +def test_chord_width_fill(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) - # Act - draw.line(points, fill="yellow", width=2) - del draw + # Act + draw.chord(BBOX1, 10, 260, fill="red", outline="yellow", width=5) - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_line.png")) + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_chord_width_fill.png", 1) - def test_line1(self): - self.helper_line(POINTS1) - def test_line2(self): - self.helper_line(POINTS2) +def test_chord_zero_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) - def helper_pieslice(self, bbox, start, end): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) + # Act + draw.chord(BBOX1, 10, 260, fill="red", outline="yellow", width=0) - # Act - draw.pieslice(bbox, start, end, fill="white", outline="blue") - del draw + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_chord_zero_width.png") - # Assert - self.assert_image_similar( - im, Image.open("Tests/images/imagedraw_pieslice.png"), 1) - def test_pieslice1(self): - self.helper_pieslice(BBOX1, -90, 45) - self.helper_pieslice(BBOX1, -90.5, 45.4) +def test_chord_too_fat(): + # Arrange + im = Image.new("RGB", (100, 100)) + draw = ImageDraw.Draw(im) - def test_pieslice2(self): - self.helper_pieslice(BBOX2, -90, 45) - self.helper_pieslice(BBOX2, -90.5, 45.4) + # Act + draw.chord([-150, -150, 99, 99], 15, 60, width=10, fill="white", outline="red") - def helper_point(self, points): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_chord_too_fat.png") - # Act - draw.point(points, fill="yellow") - del draw - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_point.png")) +def helper_ellipse(mode, bbox): + # Arrange + im = Image.new(mode, (W, H)) + draw = ImageDraw.Draw(im) + expected = f"Tests/images/imagedraw_ellipse_{mode}.png" - def test_point1(self): - self.helper_point(POINTS1) + # Act + draw.ellipse(bbox, fill="green", outline="blue") - def test_point2(self): - self.helper_point(POINTS2) + # Assert + assert_image_similar_tofile(im, expected, 1) - def helper_polygon(self, points): - # Arrange - im = Image.new("RGB", (W, H)) + +def test_ellipse1(): + for mode in ["RGB", "L"]: + helper_ellipse(mode, BBOX1) + + +def test_ellipse2(): + for mode in ["RGB", "L"]: + helper_ellipse(mode, BBOX2) + + +def test_ellipse_translucent(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im, "RGBA") + + # Act + draw.ellipse(BBOX1, fill=(0, 255, 0, 127)) + + # Assert + expected = "Tests/images/imagedraw_ellipse_translucent.png" + assert_image_similar_tofile(im, expected, 1) + + +def test_ellipse_edge(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.ellipse(((0, 0), (W - 1, H - 1)), fill="white") + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_ellipse_edge.png", 1) + + +def test_ellipse_symmetric(): + for width, bbox in ( + (100, (24, 24, 75, 75)), + (101, (25, 25, 75, 75)), + ): + im = Image.new("RGB", (width, 100)) draw = ImageDraw.Draw(im) + draw.ellipse(bbox, fill="green", outline="blue") + assert_image_equal(im, im.transpose(Image.FLIP_LEFT_RIGHT)) - # Act - draw.polygon(points, fill="red", outline="blue") - del draw - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_polygon.png")) +def test_ellipse_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.ellipse(BBOX1, outline="blue", width=5) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_ellipse_width.png", 1) + + +def test_ellipse_width_large(): + # Arrange + im = Image.new("RGB", (500, 500)) + draw = ImageDraw.Draw(im) + + # Act + draw.ellipse((25, 25, 475, 475), outline="blue", width=75) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_ellipse_width_large.png", 1) + + +def test_ellipse_width_fill(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.ellipse(BBOX1, fill="green", outline="blue", width=5) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_ellipse_width_fill.png", 1) + + +def test_ellipse_zero_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.ellipse(BBOX1, fill="green", outline="blue", width=0) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_ellipse_zero_width.png") + + +def ellipse_various_sizes_helper(filled): + ellipse_sizes = range(32) + image_size = sum(ellipse_sizes) + len(ellipse_sizes) + 1 + im = Image.new("RGB", (image_size, image_size)) + draw = ImageDraw.Draw(im) + + x = 1 + for w in ellipse_sizes: + y = 1 + for h in ellipse_sizes: + border = [x, y, x + w - 1, y + h - 1] + if filled: + draw.ellipse(border, fill="white") + else: + draw.ellipse(border, outline="white") + y += h + 1 + x += w + 1 + + return im + + +def test_ellipse_various_sizes(): + im = ellipse_various_sizes_helper(False) + + assert_image_equal_tofile(im, "Tests/images/imagedraw_ellipse_various_sizes.png") + + +def test_ellipse_various_sizes_filled(): + im = ellipse_various_sizes_helper(True) + + assert_image_equal_tofile( + im, "Tests/images/imagedraw_ellipse_various_sizes_filled.png" + ) + + +def helper_line(points): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.line(points, fill="yellow", width=2) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_line.png") + + +def test_line1(): + helper_line(POINTS1) + + +def test_line2(): + helper_line(POINTS2) - def test_polygon1(self): - self.helper_polygon(POINTS1) - def test_polygon2(self): - self.helper_polygon(POINTS2) +def test_shape1(): + # Arrange + im = Image.new("RGB", (100, 100), "white") + draw = ImageDraw.Draw(im) + x0, y0 = 5, 5 + x1, y1 = 5, 50 + x2, y2 = 95, 50 + x3, y3 = 95, 5 - def helper_rectangle(self, bbox): + # Act + s = ImageDraw.Outline() + s.move(x0, y0) + s.curve(x1, y1, x2, y2, x3, y3) + s.line(x0, y0) + + draw.shape(s, fill=1) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_shape1.png") + + +def test_shape2(): + # Arrange + im = Image.new("RGB", (100, 100), "white") + draw = ImageDraw.Draw(im) + x0, y0 = 95, 95 + x1, y1 = 95, 50 + x2, y2 = 5, 50 + x3, y3 = 5, 95 + + # Act + s = ImageDraw.Outline() + s.move(x0, y0) + s.curve(x1, y1, x2, y2, x3, y3) + s.line(x0, y0) + + draw.shape(s, outline="blue") + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_shape2.png") + + +def test_transform(): + # Arrange + im = Image.new("RGB", (100, 100), "white") + expected = im.copy() + draw = ImageDraw.Draw(im) + + # Act + s = ImageDraw.Outline() + s.line(0, 0) + s.transform((0, 0, 0, 0, 0, 0)) + + draw.shape(s, fill=1) + + # Assert + assert_image_equal(im, expected) + + +def helper_pieslice(bbox, start, end): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.pieslice(bbox, start, end, fill="white", outline="blue") + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_pieslice.png", 1) + + +def test_pieslice1(): + helper_pieslice(BBOX1, -92, 46) + helper_pieslice(BBOX1, -92.2, 46.2) + + +def test_pieslice2(): + helper_pieslice(BBOX2, -92, 46) + helper_pieslice(BBOX2, -92.2, 46.2) + + +def test_pieslice_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.pieslice(BBOX1, 10, 260, outline="blue", width=5) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_pieslice_width.png", 1) + + +def test_pieslice_width_fill(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + expected = "Tests/images/imagedraw_pieslice_width_fill.png" + + # Act + draw.pieslice(BBOX1, 10, 260, fill="white", outline="blue", width=5) + + # Assert + assert_image_similar_tofile(im, expected, 1) + + +def test_pieslice_zero_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.pieslice(BBOX1, 10, 260, fill="white", outline="blue", width=0) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_pieslice_zero_width.png") + + +def test_pieslice_wide(): + # Arrange + im = Image.new("RGB", (200, 100)) + draw = ImageDraw.Draw(im) + + # Act + draw.pieslice([0, 0, 199, 99], 190, 170, width=10, fill="white", outline="red") + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_pieslice_wide.png") + + +def test_pieslice_no_spikes(): + im = Image.new("RGB", (161, 161), "white") + draw = ImageDraw.Draw(im) + cxs = ( + [140] * 3 + + list(range(140, 19, -20)) + + [20] * 5 + + list(range(20, 141, 20)) + + [140] * 2 + ) + cys = ( + list(range(80, 141, 20)) + + [140] * 5 + + list(range(140, 19, -20)) + + [20] * 5 + + list(range(20, 80, 20)) + ) + + for cx, cy, angle in zip(cxs, cys, range(0, 360, 15)): + draw.pieslice( + [cx - 100, cy - 100, cx + 100, cy + 100], angle, angle + 1, fill="black" + ) + draw.point([cx, cy], fill="red") + + im_pre_erase = im.copy() + draw.rectangle([21, 21, 139, 139], fill="white") + + assert_image_equal(im, im_pre_erase) + + +def helper_point(points): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.point(points, fill="yellow") + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_point.png") + + +def test_point1(): + helper_point(POINTS1) + + +def test_point2(): + helper_point(POINTS2) + + +def helper_polygon(points): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.polygon(points, fill="red", outline="blue") + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_polygon.png") + + +def test_polygon1(): + helper_polygon(POINTS1) + + +def test_polygon2(): + helper_polygon(POINTS2) + + +def test_polygon_kite(): + # Test drawing lines of different gradients (dx>dy, dy>dx) and + # vertical (dx==0) and horizontal (dy==0) lines + for mode in ["RGB", "L"]: # Arrange - im = Image.new("RGB", (W, H)) + im = Image.new(mode, (W, H)) draw = ImageDraw.Draw(im) + expected = f"Tests/images/imagedraw_polygon_kite_{mode}.png" # Act - draw.rectangle(bbox, fill="black", outline="green") - del draw + draw.polygon(KITE_POINTS, fill="blue", outline="yellow") # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_rectangle.png")) + assert_image_equal_tofile(im, expected) - def test_rectangle1(self): - self.helper_rectangle(BBOX1) - def test_rectangle2(self): - self.helper_rectangle(BBOX2) +def test_polygon_1px_high(): + # Test drawing a 1px high polygon + # Arrange + im = Image.new("RGB", (3, 3)) + draw = ImageDraw.Draw(im) + expected = "Tests/images/imagedraw_polygon_1px_high.png" - def test_floodfill(self): + # Act + draw.polygon([(0, 1), (0, 1), (2, 1), (2, 1)], "#f00") + + # Assert + assert_image_equal_tofile(im, expected) + + +def test_polygon_translucent(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im, "RGBA") + + # Act + draw.polygon([(20, 80), (80, 80), (80, 20)], fill=(0, 255, 0, 127)) + + # Assert + expected = "Tests/images/imagedraw_polygon_translucent.png" + assert_image_equal_tofile(im, expected) + + +def helper_rectangle(bbox): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.rectangle(bbox, fill="black", outline="green") + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_rectangle.png") + + +def test_rectangle1(): + helper_rectangle(BBOX1) + + +def test_rectangle2(): + helper_rectangle(BBOX2) + + +def test_big_rectangle(): + # Test drawing a rectangle bigger than the image + # Arrange + im = Image.new("RGB", (W, H)) + bbox = [(-1, -1), (W + 1, H + 1)] + draw = ImageDraw.Draw(im) + + # Act + draw.rectangle(bbox, fill="orange") + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_big_rectangle.png", 1) + + +def test_rectangle_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + expected = "Tests/images/imagedraw_rectangle_width.png" + + # Act + draw.rectangle(BBOX1, outline="green", width=5) + + # Assert + assert_image_equal_tofile(im, expected) + + +def test_rectangle_width_fill(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + expected = "Tests/images/imagedraw_rectangle_width_fill.png" + + # Act + draw.rectangle(BBOX1, fill="blue", outline="green", width=5) + + # Assert + assert_image_equal_tofile(im, expected) + + +def test_rectangle_zero_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.rectangle(BBOX1, fill="blue", outline="green", width=0) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_rectangle_zero_width.png") + + +def test_rectangle_I16(): + # Arrange + im = Image.new("I;16", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.rectangle(BBOX1, fill="black", outline="green") + + # Assert + assert_image_equal_tofile(im.convert("I"), "Tests/images/imagedraw_rectangle_I.png") + + +def test_rectangle_translucent_outline(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im, "RGBA") + + # Act + draw.rectangle(BBOX1, fill="black", outline=(0, 255, 0, 127), width=5) + + # Assert + assert_image_equal_tofile( + im, "Tests/images/imagedraw_rectangle_translucent_outline.png" + ) + + +@pytest.mark.parametrize( + "xy", + [(10, 20, 190, 180), ([10, 20], [190, 180]), ((10, 20), (190, 180))], +) +def test_rounded_rectangle(xy): + # Arrange + im = Image.new("RGB", (200, 200)) + draw = ImageDraw.Draw(im) + + # Act + draw.rounded_rectangle(xy, 30, fill="red", outline="green", width=5) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_rounded_rectangle.png") + + +@pytest.mark.parametrize( + "xy, radius, type", + [ + ((10, 20, 190, 180), 30.5, "given"), + ((10, 10, 181, 190), 90, "width"), + ((10, 20, 190, 181), 85, "height"), + ], +) +def test_rounded_rectangle_non_integer_radius(xy, radius, type): + # Arrange + im = Image.new("RGB", (200, 200)) + draw = ImageDraw.Draw(im) + + # Act + draw.rounded_rectangle(xy, radius, fill="red", outline="green", width=5) + + # Assert + assert_image_equal_tofile( + im, + "Tests/images/imagedraw_rounded_rectangle_non_integer_radius_" + type + ".png", + ) + + +def test_rounded_rectangle_zero_radius(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.rounded_rectangle(BBOX1, 0, fill="blue", outline="green", width=5) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_rectangle_width_fill.png") + + +@pytest.mark.parametrize( + "xy, suffix", + [ + ((20, 10, 80, 90), "x"), + ((10, 20, 90, 80), "y"), + ((20, 20, 80, 80), "both"), + ], +) +def test_rounded_rectangle_translucent(xy, suffix): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im, "RGBA") + + # Act + draw.rounded_rectangle( + xy, 30, fill=(255, 0, 0, 127), outline=(0, 255, 0, 127), width=5 + ) + + # Assert + assert_image_equal_tofile( + im, "Tests/images/imagedraw_rounded_rectangle_" + suffix + ".png" + ) + + +def test_floodfill(): + red = ImageColor.getrgb("red") + + for mode, value in [("L", 1), ("RGBA", (255, 0, 0, 0)), ("RGB", red)]: # Arrange - im = Image.new("RGB", (W, H)) + im = Image.new(mode, (W, H)) draw = ImageDraw.Draw(im) draw.rectangle(BBOX2, outline="yellow", fill="green") - centre_point = (int(W/2), int(H/2)) + centre_point = (int(W / 2), int(H / 2)) # Act - ImageDraw.floodfill(im, centre_point, ImageColor.getrgb("red")) - del draw + ImageDraw.floodfill(im, centre_point, value) # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_floodfill.png")) - - @unittest.skipIf(hasattr(sys, 'pypy_version_info'), - "Causes fatal RPython error on PyPy") - def test_floodfill_border(self): - # floodfill() is experimental - + expected = "Tests/images/imagedraw_floodfill_" + mode + ".png" + with Image.open(expected) as im_floodfill: + assert_image_equal(im, im_floodfill) + + # Test that using the same colour does not change the image + ImageDraw.floodfill(im, centre_point, red) + assert_image_equal(im, im_floodfill) + + # Test that filling outside the image does not change the image + ImageDraw.floodfill(im, (W, H), red) + assert_image_equal(im, im_floodfill) + + # Test filling at the edge of an image + im = Image.new("RGB", (1, 1)) + ImageDraw.floodfill(im, (0, 0), red) + assert_image_equal(im, Image.new("RGB", (1, 1), red)) + + +def test_floodfill_border(): + # floodfill() is experimental + + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + draw.rectangle(BBOX2, outline="yellow", fill="green") + centre_point = (int(W / 2), int(H / 2)) + + # Act + ImageDraw.floodfill( + im, + centre_point, + ImageColor.getrgb("red"), + border=ImageColor.getrgb("black"), + ) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_floodfill2.png") + + +def test_floodfill_thresh(): + # floodfill() is experimental + + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + draw.rectangle(BBOX2, outline="darkgreen", fill="green") + centre_point = (int(W / 2), int(H / 2)) + + # Act + ImageDraw.floodfill(im, centre_point, ImageColor.getrgb("red"), thresh=30) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_floodfill2.png") + + +def test_floodfill_not_negative(): + # floodfill() is experimental + # Test that floodfill does not extend into negative coordinates + + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + draw.line((W / 2, 0, W / 2, H / 2), fill="green") + draw.line((0, H / 2, W / 2, H / 2), fill="green") + + # Act + ImageDraw.floodfill(im, (int(W / 4), int(H / 4)), ImageColor.getrgb("red")) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_floodfill_not_negative.png") + + +def create_base_image_draw( + size, mode=DEFAULT_MODE, background1=WHITE, background2=GRAY +): + img = Image.new(mode, size, background1) + for x in range(0, size[0]): + for y in range(0, size[1]): + if (x + y) % 2 == 0: + img.putpixel((x, y), background2) + return img, ImageDraw.Draw(img) + + +def test_square(): + expected = os.path.join(IMAGES_PATH, "square.png") + img, draw = create_base_image_draw((10, 10)) + draw.polygon([(2, 2), (2, 7), (7, 7), (7, 2)], BLACK) + assert_image_equal_tofile(img, expected, "square as normal polygon failed") + img, draw = create_base_image_draw((10, 10)) + draw.polygon([(7, 7), (7, 2), (2, 2), (2, 7)], BLACK) + assert_image_equal_tofile(img, expected, "square as inverted polygon failed") + img, draw = create_base_image_draw((10, 10)) + draw.rectangle((2, 2, 7, 7), BLACK) + assert_image_equal_tofile(img, expected, "square as normal rectangle failed") + img, draw = create_base_image_draw((10, 10)) + draw.rectangle((7, 7, 2, 2), BLACK) + assert_image_equal_tofile(img, expected, "square as inverted rectangle failed") + + +def test_triangle_right(): + img, draw = create_base_image_draw((20, 20)) + draw.polygon([(3, 5), (17, 5), (10, 12)], BLACK) + assert_image_equal_tofile( + img, os.path.join(IMAGES_PATH, "triangle_right.png"), "triangle right failed" + ) + + +@pytest.mark.parametrize( + "fill, suffix", + ((BLACK, "width"), (None, "width_no_fill")), +) +def test_triangle_right_width(fill, suffix): + img, draw = create_base_image_draw((100, 100)) + draw.polygon([(15, 25), (85, 25), (50, 60)], fill, WHITE, width=5) + assert_image_equal_tofile( + img, os.path.join(IMAGES_PATH, "triangle_right_" + suffix + ".png") + ) + + +def test_line_horizontal(): + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 14, 5), BLACK, 2) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_horizontal_w2px_normal.png"), + "line straight horizontal normal 2px wide failed", + ) + + img, draw = create_base_image_draw((20, 20)) + draw.line((14, 5, 5, 5), BLACK, 2) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_horizontal_w2px_inverted.png"), + "line straight horizontal inverted 2px wide failed", + ) + + expected = os.path.join(IMAGES_PATH, "line_horizontal_w3px.png") + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 14, 5), BLACK, 3) + assert_image_equal_tofile( + img, expected, "line straight horizontal normal 3px wide failed" + ) + img, draw = create_base_image_draw((20, 20)) + draw.line((14, 5, 5, 5), BLACK, 3) + assert_image_equal_tofile( + img, expected, "line straight horizontal inverted 3px wide failed" + ) + + img, draw = create_base_image_draw((200, 110)) + draw.line((5, 55, 195, 55), BLACK, 101) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_horizontal_w101px.png"), + "line straight horizontal 101px wide failed", + ) + + +def test_line_h_s1_w2(): + pytest.skip("failing") + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 14, 6), BLACK, 2) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_horizontal_slope1px_w2px.png"), + "line horizontal 1px slope 2px wide failed", + ) + + +def test_line_vertical(): + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 5, 14), BLACK, 2) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_vertical_w2px_normal.png"), + "line straight vertical normal 2px wide failed", + ) + + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 14, 5, 5), BLACK, 2) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_vertical_w2px_inverted.png"), + "line straight vertical inverted 2px wide failed", + ) + + expected = os.path.join(IMAGES_PATH, "line_vertical_w3px.png") + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 5, 14), BLACK, 3) + assert_image_equal_tofile( + img, expected, "line straight vertical normal 3px wide failed" + ) + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 14, 5, 5), BLACK, 3) + assert_image_equal_tofile( + img, expected, "line straight vertical inverted 3px wide failed" + ) + + img, draw = create_base_image_draw((110, 200)) + draw.line((55, 5, 55, 195), BLACK, 101) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_vertical_w101px.png"), + "line straight vertical 101px wide failed", + ) + + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 6, 14), BLACK, 2) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_vertical_slope1px_w2px.png"), + "line vertical 1px slope 2px wide failed", + ) + + +def test_line_oblique_45(): + expected = os.path.join(IMAGES_PATH, "line_oblique_45_w3px_a.png") + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 14, 14), BLACK, 3) + assert_image_equal_tofile(img, expected, "line oblique 45 normal 3px wide A failed") + img, draw = create_base_image_draw((20, 20)) + draw.line((14, 14, 5, 5), BLACK, 3) + assert_image_equal_tofile( + img, expected, "line oblique 45 inverted 3px wide A failed" + ) + + expected = os.path.join(IMAGES_PATH, "line_oblique_45_w3px_b.png") + img, draw = create_base_image_draw((20, 20)) + draw.line((14, 5, 5, 14), BLACK, 3) + assert_image_equal_tofile(img, expected, "line oblique 45 normal 3px wide B failed") + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 14, 14, 5), BLACK, 3) + assert_image_equal_tofile( + img, expected, "line oblique 45 inverted 3px wide B failed" + ) + + +def test_wide_line_dot(): + # Test drawing a wide "line" from one point to another just draws a single point + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.line([(50, 50), (50, 50)], width=3) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_wide_line_dot.png", 1) + + +def test_wide_line_larger_than_int(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + expected = "Tests/images/imagedraw_wide_line_larger_than_int.png" + + # Act + draw.line([(0, 0), (32768, 32768)], width=3) + + # Assert + assert_image_similar_tofile(im, expected, 1) + + +@pytest.mark.parametrize( + "xy", + [ + [ + (400, 280), + (380, 280), + (450, 280), + (440, 120), + (350, 200), + (310, 280), + (300, 280), + (250, 280), + (250, 200), + (150, 200), + (150, 260), + (50, 200), + (150, 50), + (250, 100), + ], + ( + 400, + 280, + 380, + 280, + 450, + 280, + 440, + 120, + 350, + 200, + 310, + 280, + 300, + 280, + 250, + 280, + 250, + 200, + 150, + 200, + 150, + 260, + 50, + 200, + 150, + 50, + 250, + 100, + ), + [ + 400, + 280, + 380, + 280, + 450, + 280, + 440, + 120, + 350, + 200, + 310, + 280, + 300, + 280, + 250, + 280, + 250, + 200, + 150, + 200, + 150, + 260, + 50, + 200, + 150, + 50, + 250, + 100, + ], + ], +) +def test_line_joint(xy): + im = Image.new("RGB", (500, 325)) + draw = ImageDraw.Draw(im) + + # Act + draw.line(xy, GRAY, 50, "curve") + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_line_joint_curve.png", 3) + + +def test_textsize_empty_string(): + # https://github.com/python-pillow/Pillow/issues/2783 + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + # Should not cause 'SystemError: returned NULL without setting an error' + draw.textsize("") + draw.textsize("\n") + draw.textsize("test\n") + + +@skip_unless_feature("freetype2") +def test_textsize_stroke(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + font = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 20) + + # Act / Assert + assert draw.textsize("A", font, stroke_width=2) == (16, 20) + assert draw.multiline_textsize("ABC\nAaaa", font, stroke_width=2) == (52, 44) + + +@skip_unless_feature("freetype2") +def test_stroke(): + for suffix, stroke_fill in {"same": None, "different": "#0f0"}.items(): # Arrange - im = Image.new("RGB", (W, H)) + im = Image.new("RGB", (120, 130)) draw = ImageDraw.Draw(im) - draw.rectangle(BBOX2, outline="yellow", fill="green") - centre_point = (int(W/2), int(H/2)) + font = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 120) # Act - ImageDraw.floodfill( - im, centre_point, ImageColor.getrgb("red"), - border=ImageColor.getrgb("black")) - del draw + draw.text((12, 12), "A", "#f00", font, stroke_width=2, stroke_fill=stroke_fill) # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_floodfill2.png")) - - def create_base_image_draw(self, size, - mode=DEFAULT_MODE, - background1=WHITE, - background2=GRAY): - img = Image.new(mode, size, background1) - for x in range(0, size[0]): - for y in range(0, size[1]): - if (x + y) % 2 == 0: - img.putpixel((x, y), background2) - return (img, ImageDraw.Draw(img)) - - def test_square(self): - expected = Image.open(os.path.join(IMAGES_PATH, 'square.png')) - expected.load() - img, draw = self.create_base_image_draw((10, 10)) - draw.polygon([(2, 2), (2, 7), (7, 7), (7, 2)], BLACK) - self.assert_image_equal(img, expected, - 'square as normal polygon failed') - img, draw = self.create_base_image_draw((10, 10)) - draw.polygon([(7, 7), (7, 2), (2, 2), (2, 7)], BLACK) - self.assert_image_equal(img, expected, - 'square as inverted polygon failed') - img, draw = self.create_base_image_draw((10, 10)) - draw.rectangle((2, 2, 7, 7), BLACK) - self.assert_image_equal(img, expected, - 'square as normal rectangle failed') - img, draw = self.create_base_image_draw((10, 10)) - draw.rectangle((7, 7, 2, 2), BLACK) - self.assert_image_equal( - img, expected, 'square as inverted rectangle failed') - - def test_triangle_right(self): - expected = Image.open(os.path.join(IMAGES_PATH, 'triangle_right.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.polygon([(3, 5), (17, 5), (10, 12)], BLACK) - self.assert_image_equal(img, expected, 'triangle right failed') - - def test_line_horizontal(self): - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_horizontal_w2px_normal.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 14, 5), BLACK, 2) - self.assert_image_equal( - img, expected, 'line straight horizontal normal 2px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_horizontal_w2px_inverted.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((14, 5, 5, 5), BLACK, 2) - self.assert_image_equal( - img, expected, 'line straight horizontal inverted 2px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_horizontal_w3px.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 14, 5), BLACK, 3) - self.assert_image_equal( - img, expected, 'line straight horizontal normal 3px wide failed') - img, draw = self.create_base_image_draw((20, 20)) - draw.line((14, 5, 5, 5), BLACK, 3) - self.assert_image_equal( - img, expected, 'line straight horizontal inverted 3px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_horizontal_w101px.png')) - expected.load() - img, draw = self.create_base_image_draw((200, 110)) - draw.line((5, 55, 195, 55), BLACK, 101) - self.assert_image_equal( - img, expected, 'line straight horizontal 101px wide failed') - - def test_line_h_s1_w2(self): - self.skipTest('failing') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_horizontal_slope1px_w2px.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 14, 6), BLACK, 2) - self.assert_image_equal( - img, expected, 'line horizontal 1px slope 2px wide failed') - - def test_line_vertical(self): - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_vertical_w2px_normal.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 5, 14), BLACK, 2) - self.assert_image_equal( - img, expected, 'line straight vertical normal 2px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_vertical_w2px_inverted.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 14, 5, 5), BLACK, 2) - self.assert_image_equal( - img, expected, 'line straight vertical inverted 2px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_vertical_w3px.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 5, 14), BLACK, 3) - self.assert_image_equal( - img, expected, 'line straight vertical normal 3px wide failed') - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 14, 5, 5), BLACK, 3) - self.assert_image_equal( - img, expected, 'line straight vertical inverted 3px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_vertical_w101px.png')) - expected.load() - img, draw = self.create_base_image_draw((110, 200)) - draw.line((55, 5, 55, 195), BLACK, 101) - self.assert_image_equal(img, expected, - 'line straight vertical 101px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_vertical_slope1px_w2px.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 6, 14), BLACK, 2) - self.assert_image_equal(img, expected, - 'line vertical 1px slope 2px wide failed') - - def test_line_oblique_45(self): - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_oblique_45_w3px_a.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 14, 14), BLACK, 3) - self.assert_image_equal(img, expected, - 'line oblique 45 normal 3px wide A failed') - img, draw = self.create_base_image_draw((20, 20)) - draw.line((14, 14, 5, 5), BLACK, 3) - self.assert_image_equal(img, expected, - 'line oblique 45 inverted 3px wide A failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_oblique_45_w3px_b.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((14, 5, 5, 14), BLACK, 3) - self.assert_image_equal(img, expected, - 'line oblique 45 normal 3px wide B failed') - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 14, 14, 5), BLACK, 3) - self.assert_image_equal(img, expected, - 'line oblique 45 inverted 3px wide B failed') - - -if __name__ == '__main__': - unittest.main() + assert_image_similar_tofile( + im, "Tests/images/imagedraw_stroke_" + suffix + ".png", 3.1 + ) + + +@skip_unless_feature("freetype2") +def test_stroke_descender(): + # Arrange + im = Image.new("RGB", (120, 130)) + draw = ImageDraw.Draw(im) + font = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 120) + + # Act + draw.text((12, 2), "y", "#f00", font, stroke_width=2, stroke_fill="#0f0") + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_stroke_descender.png", 6.76) + + +@skip_unless_feature("freetype2") +def test_stroke_multiline(): + # Arrange + im = Image.new("RGB", (100, 250)) + draw = ImageDraw.Draw(im) + font = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 120) + + # Act + draw.multiline_text( + (12, 12), "A\nB", "#f00", font, stroke_width=2, stroke_fill="#0f0" + ) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_stroke_multiline.png", 3.3) + + +def test_same_color_outline(): + # Prepare shape + x0, y0 = 5, 5 + x1, y1 = 5, 50 + x2, y2 = 95, 50 + x3, y3 = 95, 5 + + s = ImageDraw.Outline() + s.move(x0, y0) + s.curve(x1, y1, x2, y2, x3, y3) + s.line(x0, y0) + + # Begin + for mode in ["RGB", "L"]: + for fill, outline in [["red", None], ["red", "red"], ["red", "#f00"]]: + for operation, args in { + "chord": [BBOX1, 0, 180], + "ellipse": [BBOX1], + "shape": [s], + "pieslice": [BBOX1, -90, 45], + "polygon": [[(18, 30), (85, 30), (60, 72)]], + "rectangle": [BBOX1], + }.items(): + # Arrange + im = Image.new(mode, (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw_method = getattr(draw, operation) + args += [fill, outline] + draw_method(*args) + + # Assert + expected = f"Tests/images/imagedraw_outline_{operation}_{mode}.png" + assert_image_similar_tofile(im, expected, 1) + + +@pytest.mark.parametrize( + "n_sides, rotation, polygon_name", + [(4, 0, "square"), (8, 0, "regular_octagon"), (4, 45, "square")], +) +def test_draw_regular_polygon(n_sides, rotation, polygon_name): + im = Image.new("RGBA", size=(W, H), color=(255, 0, 0, 0)) + filename_base = f"Tests/images/imagedraw_{polygon_name}" + filename = ( + f"{filename_base}.png" + if rotation == 0 + else f"{filename_base}_rotate_{rotation}.png" + ) + draw = ImageDraw.Draw(im) + bounding_circle = ((W // 2, H // 2), 25) + draw.regular_polygon(bounding_circle, n_sides, rotation=rotation, fill="red") + assert_image_equal_tofile(im, filename) + + +@pytest.mark.parametrize( + "n_sides, expected_vertices", + [ + (3, [(28.35, 62.5), (71.65, 62.5), (50.0, 25.0)]), + (4, [(32.32, 67.68), (67.68, 67.68), (67.68, 32.32), (32.32, 32.32)]), + ( + 5, + [ + (35.31, 70.23), + (64.69, 70.23), + (73.78, 42.27), + (50.0, 25.0), + (26.22, 42.27), + ], + ), + ( + 6, + [ + (37.5, 71.65), + (62.5, 71.65), + (75.0, 50.0), + (62.5, 28.35), + (37.5, 28.35), + (25.0, 50.0), + ], + ), + ], +) +def test_compute_regular_polygon_vertices(n_sides, expected_vertices): + bounding_circle = (W // 2, H // 2, 25) + vertices = ImageDraw._compute_regular_polygon_vertices(bounding_circle, n_sides, 0) + assert vertices == expected_vertices + + +@pytest.mark.parametrize( + "n_sides, bounding_circle, rotation, expected_error, error_message", + [ + (None, (50, 50, 25), 0, TypeError, "n_sides should be an int"), + (1, (50, 50, 25), 0, ValueError, "n_sides should be an int > 2"), + (3, 50, 0, TypeError, "bounding_circle should be a tuple"), + ( + 3, + (50, 50, 100, 100), + 0, + ValueError, + "bounding_circle should contain 2D coordinates " + "and a radius (e.g. (x, y, r) or ((x, y), r) )", + ), + ( + 3, + (50, 50, "25"), + 0, + ValueError, + "bounding_circle should only contain numeric data", + ), + ( + 3, + ((50, 50, 50), 25), + 0, + ValueError, + "bounding_circle centre should contain 2D coordinates (e.g. (x, y))", + ), + ( + 3, + (50, 50, 0), + 0, + ValueError, + "bounding_circle radius should be > 0", + ), + ( + 3, + (50, 50, 25), + "0", + ValueError, + "rotation should be an int or float", + ), + ], +) +def test_compute_regular_polygon_vertices_input_error_handling( + n_sides, bounding_circle, rotation, expected_error, error_message +): + with pytest.raises(expected_error) as e: + ImageDraw._compute_regular_polygon_vertices(bounding_circle, n_sides, rotation) + assert str(e.value) == error_message + + +def test_continuous_horizontal_edges_polygon(): + xy = [ + (2, 6), + (6, 6), + (12, 6), + (12, 12), + (8, 12), + (8, 8), + (4, 8), + (2, 8), + ] + img, draw = create_base_image_draw((16, 16)) + draw.polygon(xy, BLACK) + expected = os.path.join(IMAGES_PATH, "continuous_horizontal_edges_polygon.png") + assert_image_equal_tofile( + img, expected, "continuous horizontal edges polygon failed" + ) diff --git a/Tests/test_imagedraw2.py b/Tests/test_imagedraw2.py new file mode 100644 index 00000000000..3a70176cee5 --- /dev/null +++ b/Tests/test_imagedraw2.py @@ -0,0 +1,241 @@ +import os.path + +from PIL import Image, ImageDraw, ImageDraw2 + +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar_tofile, + hopper, + skip_unless_feature, +) + +BLACK = (0, 0, 0) +WHITE = (255, 255, 255) +GRAY = (190, 190, 190) +DEFAULT_MODE = "RGB" +IMAGES_PATH = os.path.join("Tests", "images", "imagedraw") + +# Image size +W, H = 100, 100 + +# Bounding box points +X0 = int(W / 4) +X1 = int(X0 * 3) +Y0 = int(H / 4) +Y1 = int(X0 * 3) + +# Two kinds of bounding box +BBOX1 = [(X0, Y0), (X1, Y1)] +BBOX2 = [X0, Y0, X1, Y1] + +# Two kinds of coordinate sequences +POINTS1 = [(10, 10), (20, 40), (30, 30)] +POINTS2 = [10, 10, 20, 40, 30, 30] + +KITE_POINTS = [(10, 50), (70, 10), (90, 50), (70, 90), (10, 50)] + +FONT_PATH = "Tests/fonts/FreeMono.ttf" + + +def test_sanity(): + im = hopper("RGB").copy() + + draw = ImageDraw2.Draw(im) + pen = ImageDraw2.Pen("blue", width=7) + draw.line(list(range(10)), pen) + + draw, handler = ImageDraw.getdraw(im) + pen = ImageDraw2.Pen("blue", width=7) + draw.line(list(range(10)), pen) + + +def helper_ellipse(mode, bbox): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + pen = ImageDraw2.Pen("blue", width=2) + brush = ImageDraw2.Brush("green") + expected = f"Tests/images/imagedraw_ellipse_{mode}.png" + + # Act + draw.ellipse(bbox, pen, brush) + + # Assert + assert_image_similar_tofile(im, expected, 1) + + +def test_ellipse1(): + helper_ellipse("RGB", BBOX1) + + +def test_ellipse2(): + helper_ellipse("RGB", BBOX2) + + +def test_ellipse_edge(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + brush = ImageDraw2.Brush("white") + + # Act + draw.ellipse(((0, 0), (W - 1, H - 1)), brush) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_ellipse_edge.png", 1) + + +def helper_line(points): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + pen = ImageDraw2.Pen("yellow", width=2) + + # Act + draw.line(points, pen) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_line.png") + + +def test_line1_pen(): + helper_line(POINTS1) + + +def test_line2_pen(): + helper_line(POINTS2) + + +def test_line_pen_as_brush(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + pen = None + brush = ImageDraw2.Pen("yellow", width=2) + + # Act + # Pass in the pen as the brush parameter + draw.line(POINTS1, pen, brush) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_line.png") + + +def helper_polygon(points): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + pen = ImageDraw2.Pen("blue", width=2) + brush = ImageDraw2.Brush("red") + + # Act + draw.polygon(points, pen, brush) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_polygon.png") + + +def test_polygon1(): + helper_polygon(POINTS1) + + +def test_polygon2(): + helper_polygon(POINTS2) + + +def helper_rectangle(bbox): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + pen = ImageDraw2.Pen("green", width=2) + brush = ImageDraw2.Brush("black") + + # Act + draw.rectangle(bbox, pen, brush) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_rectangle.png") + + +def test_rectangle1(): + helper_rectangle(BBOX1) + + +def test_rectangle2(): + helper_rectangle(BBOX2) + + +def test_big_rectangle(): + # Test drawing a rectangle bigger than the image + # Arrange + im = Image.new("RGB", (W, H)) + bbox = [(-1, -1), (W + 1, H + 1)] + brush = ImageDraw2.Brush("orange") + draw = ImageDraw2.Draw(im) + expected = "Tests/images/imagedraw_big_rectangle.png" + + # Act + draw.rectangle(bbox, brush) + + # Assert + assert_image_similar_tofile(im, expected, 1) + + +@skip_unless_feature("freetype2") +def test_text(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + font = ImageDraw2.Font("white", FONT_PATH) + expected = "Tests/images/imagedraw2_text.png" + + # Act + draw.text((5, 5), "ImageDraw2", font) + + # Assert + assert_image_similar_tofile(im, expected, 13) + + +@skip_unless_feature("freetype2") +def test_textsize(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + font = ImageDraw2.Font("white", FONT_PATH) + + # Act + size = draw.textsize("ImageDraw2", font) + + # Assert + assert size[1] == 12 + + +@skip_unless_feature("freetype2") +def test_textsize_empty_string(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + font = ImageDraw2.Font("white", FONT_PATH) + + # Act + # Should not cause 'SystemError: returned NULL without setting an error' + draw.textsize("", font) + draw.textsize("\n", font) + draw.textsize("test\n", font) + + +@skip_unless_feature("freetype2") +def test_flush(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + font = ImageDraw2.Font("white", FONT_PATH) + + # Act + draw.text((5, 5), "ImageDraw2", font) + im2 = draw.flush() + + # Assert + assert_image_equal(im, im2) diff --git a/Tests/test_imageenhance.py b/Tests/test_imageenhance.py index 7278ec8c16a..8bc94401e80 100644 --- a/Tests/test_imageenhance.py +++ b/Tests/test_imageenhance.py @@ -1,53 +1,55 @@ -from helper import unittest, PillowTestCase, hopper +from PIL import Image, ImageEnhance -from PIL import Image -from PIL import ImageEnhance +from .helper import assert_image_equal, hopper -class TestImageEnhance(PillowTestCase): +def test_sanity(): + # FIXME: assert_image + # Implicit asserts no exception: + ImageEnhance.Color(hopper()).enhance(0.5) + ImageEnhance.Contrast(hopper()).enhance(0.5) + ImageEnhance.Brightness(hopper()).enhance(0.5) + ImageEnhance.Sharpness(hopper()).enhance(0.5) - def test_sanity(self): - # FIXME: assert_image - # Implicit asserts no exception: - ImageEnhance.Color(hopper()).enhance(0.5) - ImageEnhance.Contrast(hopper()).enhance(0.5) - ImageEnhance.Brightness(hopper()).enhance(0.5) - ImageEnhance.Sharpness(hopper()).enhance(0.5) +def test_crash(): + # crashes on small images + im = Image.new("RGB", (1, 1)) + ImageEnhance.Sharpness(im).enhance(0.5) - def test_crash(self): - # crashes on small images - im = Image.new("RGB", (1, 1)) - ImageEnhance.Sharpness(im).enhance(0.5) +def _half_transparent_image(): + # returns an image, half transparent, half solid + im = hopper("RGB") - def _half_transparent_image(self): - # returns an image, half transparent, half solid - im = hopper('RGB') + transparent = Image.new("L", im.size, 0) + solid = Image.new("L", (im.size[0] // 2, im.size[1]), 255) + transparent.paste(solid, (0, 0)) + im.putalpha(transparent) - transparent = Image.new('L', im.size, 0) - solid = Image.new('L', (im.size[0]//2, im.size[1]), 255) - transparent.paste(solid, (0, 0)) - im.putalpha(transparent) + return im - return im - def _check_alpha(self, im, original, op, amount): - self.assertEqual(im.getbands(), original.getbands()) - self.assert_image_equal(im.split()[-1], original.split()[-1], - "Diff on %s: %s" % (op, amount)) +def _check_alpha(im, original, op, amount): + assert im.getbands() == original.getbands() + assert_image_equal( + im.getchannel("A"), + original.getchannel("A"), + f"Diff on {op}: {amount}", + ) - def test_alpha(self): - # Issue https://github.com/python-pillow/Pillow/issues/899 - # Is alpha preserved through image enhancement? - original = self._half_transparent_image() +def test_alpha(): + # Issue https://github.com/python-pillow/Pillow/issues/899 + # Is alpha preserved through image enhancement? - for op in ['Color', 'Brightness', 'Contrast', 'Sharpness']: - for amount in [0, 0.5, 1.0]: - self._check_alpha(getattr(ImageEnhance, op)(original).enhance(amount), - original, op, amount) + original = _half_transparent_image() - -if __name__ == '__main__': - unittest.main() + for op in ["Color", "Brightness", "Contrast", "Sharpness"]: + for amount in [0, 0.5, 1.0]: + _check_alpha( + getattr(ImageEnhance, op)(original).enhance(amount), + original, + op, + amount, + ) diff --git a/Tests/test_imagefile.py b/Tests/test_imagefile.py index 65f54eb8c04..a5c76700d65 100644 --- a/Tests/test_imagefile.py +++ b/Tests/test_imagefile.py @@ -1,26 +1,29 @@ -from helper import unittest, PillowTestCase, hopper, fromstring, tostring - from io import BytesIO -from PIL import Image -from PIL import ImageFile -from PIL import EpsImagePlugin +import pytest +from PIL import BmpImagePlugin, EpsImagePlugin, Image, ImageFile, _binary, features -codecs = dir(Image.core) +from .helper import ( + assert_image, + assert_image_equal, + assert_image_similar, + fromstring, + hopper, + skip_unless_feature, + tostring, +) # save original block sizes MAXBLOCK = ImageFile.MAXBLOCK SAFEBLOCK = ImageFile.SAFEBLOCK -class TestImageFile(PillowTestCase): - +class TestImageFile: def test_parser(self): - def roundtrip(format): - im = hopper("L").resize((1000, 1000)) + im = hopper("L").resize((1000, 1000), Image.NEAREST) if format in ("MSP", "XBM"): im = im.convert("1") @@ -36,23 +39,23 @@ def roundtrip(format): return im, imOut - self.assert_image_equal(*roundtrip("BMP")) + assert_image_equal(*roundtrip("BMP")) im1, im2 = roundtrip("GIF") - self.assert_image_similar(im1.convert('P'), im2, 1) - self.assert_image_equal(*roundtrip("IM")) - self.assert_image_equal(*roundtrip("MSP")) - if "zip_encoder" in codecs: + assert_image_similar(im1.convert("P"), im2, 1) + assert_image_equal(*roundtrip("IM")) + assert_image_equal(*roundtrip("MSP")) + if features.check("zlib"): try: # force multiple blocks in PNG driver ImageFile.MAXBLOCK = 8192 - self.assert_image_equal(*roundtrip("PNG")) + assert_image_equal(*roundtrip("PNG")) finally: ImageFile.MAXBLOCK = MAXBLOCK - self.assert_image_equal(*roundtrip("PPM")) - self.assert_image_equal(*roundtrip("TIFF")) - self.assert_image_equal(*roundtrip("XBM")) - self.assert_image_equal(*roundtrip("TGA")) - self.assert_image_equal(*roundtrip("PCX")) + assert_image_equal(*roundtrip("PPM")) + assert_image_equal(*roundtrip("TIFF")) + assert_image_equal(*roundtrip("XBM")) + assert_image_equal(*roundtrip("TGA")) + assert_image_equal(*roundtrip("PCX")) if EpsImagePlugin.has_ghostscript(): im1, im2 = roundtrip("EPS") @@ -63,25 +66,37 @@ def roundtrip(format): # md5sum: ba974835ff2d6f3f2fd0053a23521d4a # EPS comes back in RGB: - self.assert_image_similar(im1, im2.convert('L'), 20) + assert_image_similar(im1, im2.convert("L"), 20) - if "jpeg_encoder" in codecs: + if features.check("jpg"): im1, im2 = roundtrip("JPEG") # lossy compression - self.assert_image(im1, im2.mode, im2.size) + assert_image(im1, im2.mode, im2.size) - self.assertRaises(IOError, lambda: roundtrip("PDF")) + with pytest.raises(OSError): + roundtrip("PDF") def test_ico(self): - with open('Tests/images/python.ico', 'rb') as f: + with open("Tests/images/python.ico", "rb") as f: data = f.read() - p = ImageFile.Parser() - p.feed(data) - self.assertEqual((48, 48), p.image.size) + with ImageFile.Parser() as p: + p.feed(data) + assert (48, 48) == p.image.size - def test_safeblock(self): - if "zip_encoder" not in codecs: - self.skipTest("PNG (zlib) encoder not available") + @skip_unless_feature("webp") + @skip_unless_feature("webp_anim") + def test_incremental_webp(self): + with ImageFile.Parser() as p: + with open("Tests/images/hopper.webp", "rb") as f: + p.feed(f.read(1024)) + + # Check that insufficient data was given in the first feed + assert not p.image + + p.feed(f.read()) + assert (128, 128) == p.image.size + @skip_unless_feature("zlib") + def test_safeblock(self): im1 = hopper() try: @@ -90,50 +105,168 @@ def test_safeblock(self): finally: ImageFile.SAFEBLOCK = SAFEBLOCK - self.assert_image_equal(im1, im2) + assert_image_equal(im1, im2) + + def test_raise_oserror(self): + with pytest.raises(OSError): + ImageFile.raise_oserror(1) - def test_raise_ioerror(self): - self.assertRaises(IOError, lambda: ImageFile.raise_ioerror(1)) + def test_raise_typeerror(self): + with pytest.raises(TypeError): + parser = ImageFile.Parser() + parser.feed(1) + def test_negative_stride(self): + with open("Tests/images/raw_negative_stride.bin", "rb") as f: + input = f.read() + p = ImageFile.Parser() + p.feed(input) + with pytest.raises(OSError): + p.close() + + def test_truncated(self): + b = BytesIO( + b"BM000000000000" # head_data + + _binary.o32le( + ImageFile.SAFEBLOCK + 1 + 4 + ) # header_size, so BmpImagePlugin will try to read SAFEBLOCK + 1 bytes + + ( + b"0" * ImageFile.SAFEBLOCK + ) # only SAFEBLOCK bytes, so that the header is truncated + ) + with pytest.raises(OSError) as e: + BmpImagePlugin.BmpImageFile(b) + assert str(e.value) == "Truncated File Read" + + @skip_unless_feature("zlib") def test_truncated_with_errors(self): - if "zip_encoder" not in codecs: - self.skipTest("PNG (zlib) encoder not available") + with Image.open("Tests/images/truncated_image.png") as im: + with pytest.raises(OSError): + im.load() - im = Image.open("Tests/images/truncated_image.png") - with self.assertRaises(IOError): - im.load() + # Test that the error is raised if loaded a second time + with pytest.raises(OSError): + im.load() + @skip_unless_feature("zlib") def test_truncated_without_errors(self): - if "zip_encoder" not in codecs: - self.skipTest("PNG (zlib) encoder not available") + with Image.open("Tests/images/truncated_image.png") as im: + ImageFile.LOAD_TRUNCATED_IMAGES = True + try: + im.load() + finally: + ImageFile.LOAD_TRUNCATED_IMAGES = False - im = Image.open("Tests/images/truncated_image.png") + @skip_unless_feature("zlib") + def test_broken_datastream_with_errors(self): + with Image.open("Tests/images/broken_data_stream.png") as im: + with pytest.raises(OSError): + im.load() - ImageFile.LOAD_TRUNCATED_IMAGES = True - try: - im.load() - finally: - ImageFile.LOAD_TRUNCATED_IMAGES = False + @skip_unless_feature("zlib") + def test_broken_datastream_without_errors(self): + with Image.open("Tests/images/broken_data_stream.png") as im: + ImageFile.LOAD_TRUNCATED_IMAGES = True + try: + im.load() + finally: + ImageFile.LOAD_TRUNCATED_IMAGES = False + + +class MockPyDecoder(ImageFile.PyDecoder): + def decode(self, buffer): + # eof + return -1, 0 + + +xoff, yoff, xsize, ysize = 10, 20, 100, 100 - def test_broken_datastream_with_errors(self): - if "zip_encoder" not in codecs: - self.skipTest("PNG (zlib) encoder not available") - im = Image.open("Tests/images/broken_data_stream.png") - with self.assertRaises(IOError): +class MockImageFile(ImageFile.ImageFile): + def _open(self): + self.rawmode = "RGBA" + self.mode = "RGBA" + self._size = (200, 200) + self.tile = [("MOCK", (xoff, yoff, xoff + xsize, yoff + ysize), 32, None)] + + +class TestPyDecoder: + def get_decoder(self): + decoder = MockPyDecoder(None) + + def closure(mode, *args): + decoder.__init__(mode, *args) + return decoder + + Image.register_decoder("MOCK", closure) + return decoder + + def test_setimage(self): + buf = BytesIO(b"\x00" * 255) + + im = MockImageFile(buf) + d = self.get_decoder() + + im.load() + + assert d.state.xoff == xoff + assert d.state.yoff == yoff + assert d.state.xsize == xsize + assert d.state.ysize == ysize + + with pytest.raises(ValueError): + d.set_as_raw(b"\x00") + + def test_extents_none(self): + buf = BytesIO(b"\x00" * 255) + + im = MockImageFile(buf) + im.tile = [("MOCK", None, 32, None)] + d = self.get_decoder() + + im.load() + + assert d.state.xoff == 0 + assert d.state.yoff == 0 + assert d.state.xsize == 200 + assert d.state.ysize == 200 + + def test_negsize(self): + buf = BytesIO(b"\x00" * 255) + + im = MockImageFile(buf) + im.tile = [("MOCK", (xoff, yoff, -10, yoff + ysize), 32, None)] + self.get_decoder() + + with pytest.raises(ValueError): im.load() - def test_broken_datastream_without_errors(self): - if "zip_encoder" not in codecs: - self.skipTest("PNG (zlib) encoder not available") + im.tile = [("MOCK", (xoff, yoff, xoff + xsize, -10), 32, None)] + with pytest.raises(ValueError): + im.load() - im = Image.open("Tests/images/broken_data_stream.png") + def test_oversize(self): + buf = BytesIO(b"\x00" * 255) - ImageFile.LOAD_TRUNCATED_IMAGES = True - try: + im = MockImageFile(buf) + im.tile = [("MOCK", (xoff, yoff, xoff + xsize + 100, yoff + ysize), 32, None)] + self.get_decoder() + + with pytest.raises(ValueError): im.load() - finally: - ImageFile.LOAD_TRUNCATED_IMAGES = False -if __name__ == '__main__': - unittest.main() + im.tile = [("MOCK", (xoff, yoff, xoff + xsize, yoff + ysize + 100), 32, None)] + with pytest.raises(ValueError): + im.load() + + def test_no_format(self): + buf = BytesIO(b"\x00" * 255) + + im = MockImageFile(buf) + assert im.format is None + assert im.get_format_mimetype() is None + + def test_oserror(self): + im = Image.new("RGB", (1, 1)) + with pytest.raises(OSError): + im.save(BytesIO(), "JPEG2000", num_resolutions=2) diff --git a/Tests/test_imagefont.py b/Tests/test_imagefont.py index de89ac92974..0d423aab7be 100644 --- a/Tests/test_imagefont.py +++ b/Tests/test_imagefont.py @@ -1,472 +1,1024 @@ -from helper import unittest, PillowTestCase - -from PIL import Image -from PIL import ImageDraw -from io import BytesIO +import copy import os +import re +import shutil import sys -import copy - -FONT_PATH = "Tests/fonts/FreeMono.ttf" -FONT_SIZE = 20 - -TEST_TEXT = "hey you\nyou are awesome\nthis looks awkward" - - -try: - from PIL import ImageFont - ImageFont.core.getfont # check if freetype is available - - class SimplePatcher(object): - def __init__(self, parent_obj, attr_name, value): - self._parent_obj = parent_obj - self._attr_name = attr_name - self._saved = None - self._is_saved = False - self._value = value - - def __enter__(self): - # Patch the attr on the object - if hasattr(self._parent_obj, self._attr_name): - self._saved = getattr(self._parent_obj, self._attr_name) - setattr(self._parent_obj, self._attr_name, self._value) - self._is_saved = True - else: - setattr(self._parent_obj, self._attr_name, self._value) - self._is_saved = False - - def __exit__(self, type, value, traceback): - # Restore the original value - if self._is_saved: - setattr(self._parent_obj, self._attr_name, self._saved) - else: - delattr(self._parent_obj, self._attr_name) - - class TestImageFont(PillowTestCase): - - def test_sanity(self): - self.assertRegexpMatches( - ImageFont.core.freetype2_version, r"\d+\.\d+\.\d+$") - - def test_font_properties(self): - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) - self.assertEqual(ttf.path, FONT_PATH) - self.assertEqual(ttf.size, FONT_SIZE) - - ttf_copy = ttf.font_variant() - self.assertEqual(ttf_copy.path, FONT_PATH) - self.assertEqual(ttf_copy.size, FONT_SIZE) - - ttf_copy = ttf.font_variant(size=FONT_SIZE+1) - self.assertEqual(ttf_copy.size, FONT_SIZE+1) - - second_font_path = "Tests/fonts/DejaVuSans.ttf" - ttf_copy = ttf.font_variant(font=second_font_path) - self.assertEqual(ttf_copy.path, second_font_path) - - def test_font_with_name(self): - ImageFont.truetype(FONT_PATH, FONT_SIZE) - self._render(FONT_PATH) - self._clean() - - def _font_as_bytes(self): - with open(FONT_PATH, 'rb') as f: - font_bytes = BytesIO(f.read()) - return font_bytes - - def test_font_with_filelike(self): - ImageFont.truetype(self._font_as_bytes(), FONT_SIZE) - self._render(self._font_as_bytes()) - # Usage note: making two fonts from the same buffer fails. - # shared_bytes = self._font_as_bytes() - # self._render(shared_bytes) - # self.assertRaises(Exception, lambda: _render(shared_bytes)) - self._clean() - - def test_font_with_open_file(self): - with open(FONT_PATH, 'rb') as f: - self._render(f) - self._clean() - - def _render(self, font): - txt = "Hello World!" - ttf = ImageFont.truetype(font, FONT_SIZE) - ttf.getsize(txt) - - img = Image.new("RGB", (256, 64), "white") - d = ImageDraw.Draw(img) - d.text((10, 10), txt, font=ttf, fill='black') - - img.save('font.png') - return img - - def _clean(self): - os.unlink('font.png') - - def test_render_equal(self): - img_path = self._render(FONT_PATH) - with open(FONT_PATH, 'rb') as f: - font_filelike = BytesIO(f.read()) - img_filelike = self._render(font_filelike) - - self.assert_image_equal(img_path, img_filelike) - self._clean() - - def test_textsize_equal(self): - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) +from io import BytesIO - txt = "Hello World!" - size = draw.textsize(txt, ttf) - draw.text((10, 10), txt, font=ttf) - draw.rectangle((10, 10, 10 + size[0], 10 + size[1])) - del draw +import pytest +from packaging.version import parse as parse_version - target = 'Tests/images/rectangle_surrounding_text.png' - target_img = Image.open(target) - self.assert_image_similar(im, target_img, .5) +from PIL import Image, ImageDraw, ImageFont, features - def test_render_multiline(self): - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) - line_spacing = draw.textsize('A', font=ttf)[1] + 4 - lines = TEST_TEXT.split("\n") - y = 0 - for line in lines: - draw.text((0, y), line, font=ttf) - y += line_spacing - - target = 'Tests/images/multiline_text.png' - target_img = Image.open(target) - - # some versions of freetype have different horizontal spacing. - # setting a tight epsilon, I'm showing the original test failure - # at epsilon = ~38. - self.assert_image_similar(im, target_img, .5) - - def test_render_multiline_text(self): - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) - - # Test that text() correctly connects to multiline_text() - # and that align defaults to left - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - draw.text((0, 0), TEST_TEXT, font=ttf) +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar_tofile, + is_win32, + skip_unless_feature, + skip_unless_feature_version, +) - target = 'Tests/images/multiline_text.png' - target_img = Image.open(target) +FONT_PATH = "Tests/fonts/FreeMono.ttf" +FONT_SIZE = 20 - self.assert_image_similar(im, target_img, .5) +TEST_TEXT = "hey you\nyou are awesome\nthis looks awkward" - # Test that text() can pass on additional arguments - # to multiline_text() - draw.text((0, 0), TEST_TEXT, fill=None, font=ttf, anchor=None, - spacing=4, align="left") - draw.text((0, 0), TEST_TEXT, None, ttf, None, 4, "left") - del draw - # Test align center and right - for align, ext in {"center": "_center", - "right": "_right"}.items(): - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - draw.multiline_text((0, 0), TEST_TEXT, font=ttf, align=align) - del draw +pytestmark = skip_unless_feature("freetype2") - target = 'Tests/images/multiline_text'+ext+'.png' - target_img = Image.open(target) - self.assert_image_similar(im, target_img, .5) +class TestImageFont: + LAYOUT_ENGINE = ImageFont.LAYOUT_BASIC - def test_unknown_align(self): - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + def get_font(self): + return ImageFont.truetype( + FONT_PATH, FONT_SIZE, layout_engine=self.LAYOUT_ENGINE + ) - # Act/Assert - self.assertRaises(AssertionError, - lambda: draw.multiline_text((0, 0), TEST_TEXT, - font=ttf, - align="unknown")) + def test_sanity(self): + assert re.search(r"\d+\.\d+\.\d+$", features.version_module("freetype2")) - def test_multiline_size(self): - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) + def test_font_properties(self): + ttf = self.get_font() + assert ttf.path == FONT_PATH + assert ttf.size == FONT_SIZE - # Test that textsize() correctly connects to multiline_textsize() - self.assertEqual(draw.textsize(TEST_TEXT, font=ttf), - draw.multiline_textsize(TEST_TEXT, font=ttf)) + ttf_copy = ttf.font_variant() + assert ttf_copy.path == FONT_PATH + assert ttf_copy.size == FONT_SIZE - # Test that textsize() can pass on additional arguments - # to multiline_textsize() - draw.textsize(TEST_TEXT, font=ttf, spacing=4) - draw.textsize(TEST_TEXT, ttf, 4) - del draw + ttf_copy = ttf.font_variant(size=FONT_SIZE + 1) + assert ttf_copy.size == FONT_SIZE + 1 - def test_multiline_width(self): - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) + second_font_path = "Tests/fonts/DejaVuSans/DejaVuSans.ttf" + ttf_copy = ttf.font_variant(font=second_font_path) + assert ttf_copy.path == second_font_path - self.assertEqual(draw.textsize("longest line", font=ttf)[0], - draw.multiline_textsize("longest line\nline", - font=ttf)[0]) - del draw + def test_font_with_name(self): + self.get_font() + self._render(FONT_PATH) - def test_multiline_spacing(self): - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + def _font_as_bytes(self): + with open(FONT_PATH, "rb") as f: + font_bytes = BytesIO(f.read()) + return font_bytes - im = Image.new(mode='RGB', size=(300, 100)) + def test_font_with_filelike(self): + ImageFont.truetype( + self._font_as_bytes(), FONT_SIZE, layout_engine=self.LAYOUT_ENGINE + ) + self._render(self._font_as_bytes()) + # Usage note: making two fonts from the same buffer fails. + # shared_bytes = self._font_as_bytes() + # self._render(shared_bytes) + # with pytest.raises(Exception): + # _render(shared_bytes) + + def test_font_with_open_file(self): + with open(FONT_PATH, "rb") as f: + self._render(f) + + def test_non_ascii_path(self, tmp_path): + tempfile = str(tmp_path / ("temp_" + chr(128) + ".ttf")) + try: + shutil.copy(FONT_PATH, tempfile) + except UnicodeEncodeError: + pytest.skip("Non-ASCII path could not be created") + + ImageFont.truetype(tempfile, FONT_SIZE) + + def test_unavailable_layout_engine(self): + have_raqm = ImageFont.core.HAVE_RAQM + ImageFont.core.HAVE_RAQM = False + + try: + ttf = ImageFont.truetype( + FONT_PATH, FONT_SIZE, layout_engine=ImageFont.LAYOUT_RAQM + ) + finally: + ImageFont.core.HAVE_RAQM = have_raqm + + assert ttf.layout_engine == ImageFont.LAYOUT_BASIC + + def _render(self, font): + txt = "Hello World!" + ttf = ImageFont.truetype(font, FONT_SIZE, layout_engine=self.LAYOUT_ENGINE) + ttf.getsize(txt) + + img = Image.new("RGB", (256, 64), "white") + d = ImageDraw.Draw(img) + d.text((10, 10), txt, font=ttf, fill="black") + + return img + + def test_render_equal(self): + img_path = self._render(FONT_PATH) + with open(FONT_PATH, "rb") as f: + font_filelike = BytesIO(f.read()) + img_filelike = self._render(font_filelike) + + assert_image_equal(img_path, img_filelike) + + def test_transparent_background(self): + im = Image.new(mode="RGBA", size=(300, 100)) + draw = ImageDraw.Draw(im) + ttf = self.get_font() + + txt = "Hello World!" + draw.text((10, 10), txt, font=ttf) + + target = "Tests/images/transparent_background_text.png" + assert_image_similar_tofile(im, target, 4.09) + + target = "Tests/images/transparent_background_text_L.png" + assert_image_similar_tofile(im.convert("L"), target, 0.01) + + def test_I16(self): + im = Image.new(mode="I;16", size=(300, 100)) + draw = ImageDraw.Draw(im) + ttf = self.get_font() + + txt = "Hello World!" + draw.text((10, 10), txt, font=ttf) + + target = "Tests/images/transparent_background_text_L.png" + assert_image_similar_tofile(im.convert("L"), target, 0.01) + + def test_textsize_equal(self): + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + ttf = self.get_font() + + txt = "Hello World!" + size = draw.textsize(txt, ttf) + draw.text((10, 10), txt, font=ttf) + draw.rectangle((10, 10, 10 + size[0], 10 + size[1])) + + assert_image_similar_tofile( + im, "Tests/images/rectangle_surrounding_text.png", 2.5 + ) + + @pytest.mark.parametrize( + "text, mode, font, size, length_basic, length_raqm", + ( + # basic test + ("text", "L", "FreeMono.ttf", 15, 36, 36), + ("text", "1", "FreeMono.ttf", 15, 36, 36), + # issue 4177 + ("rrr", "L", "DejaVuSans/DejaVuSans.ttf", 18, 21, 22.21875), + ("rrr", "1", "DejaVuSans/DejaVuSans.ttf", 18, 24, 22.21875), + # test 'l' not including extra margin + # using exact value 2047 / 64 for raqm, checked with debugger + ("ill", "L", "OpenSansCondensed-LightItalic.ttf", 63, 33, 31.984375), + ("ill", "1", "OpenSansCondensed-LightItalic.ttf", 63, 33, 31.984375), + ), + ) + def test_getlength(self, text, mode, font, size, length_basic, length_raqm): + f = ImageFont.truetype( + "Tests/fonts/" + font, size, layout_engine=self.LAYOUT_ENGINE + ) + + im = Image.new(mode, (1, 1), 0) + d = ImageDraw.Draw(im) + + if self.LAYOUT_ENGINE == ImageFont.LAYOUT_BASIC: + length = d.textlength(text, f) + assert length == length_basic + else: + # disable kerning, kerning metrics changed + length = d.textlength(text, f, features=["-kern"]) + assert length == length_raqm + + def test_render_multiline(self): + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + ttf = self.get_font() + line_spacing = draw.textsize("A", font=ttf)[1] + 4 + lines = TEST_TEXT.split("\n") + y = 0 + for line in lines: + draw.text((0, y), line, font=ttf) + y += line_spacing + + # some versions of freetype have different horizontal spacing. + # setting a tight epsilon, I'm showing the original test failure + # at epsilon = ~38. + assert_image_similar_tofile(im, "Tests/images/multiline_text.png", 6.2) + + def test_render_multiline_text(self): + ttf = self.get_font() + + # Test that text() correctly connects to multiline_text() + # and that align defaults to left + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), TEST_TEXT, font=ttf) + + assert_image_similar_tofile(im, "Tests/images/multiline_text.png", 0.01) + + # Test that text() can pass on additional arguments + # to multiline_text() + draw.text( + (0, 0), TEST_TEXT, fill=None, font=ttf, anchor=None, spacing=4, align="left" + ) + draw.text((0, 0), TEST_TEXT, None, ttf, None, 4, "left") + + # Test align center and right + for align, ext in {"center": "_center", "right": "_right"}.items(): + im = Image.new(mode="RGB", size=(300, 100)) draw = ImageDraw.Draw(im) - draw.multiline_text((0, 0), TEST_TEXT, font=ttf, spacing=10) - del draw - - target = 'Tests/images/multiline_text_spacing.png' - target_img = Image.open(target) - - self.assert_image_similar(im, target_img, .5) - - def test_rotated_transposed_font(self): - img_grey = Image.new("L", (100, 100)) - draw = ImageDraw.Draw(img_grey) - word = "testing" - font = ImageFont.truetype(FONT_PATH, FONT_SIZE) - - orientation = Image.ROTATE_90 - transposed_font = ImageFont.TransposedFont( - font, orientation=orientation) - - # Original font - draw.font = font - box_size_a = draw.textsize(word) - - # Rotated font - draw.font = transposed_font - box_size_b = draw.textsize(word) - del draw - - # Check (w,h) of box a is (h,w) of box b - self.assertEqual(box_size_a[0], box_size_b[1]) - self.assertEqual(box_size_a[1], box_size_b[0]) - - def test_unrotated_transposed_font(self): - img_grey = Image.new("L", (100, 100)) - draw = ImageDraw.Draw(img_grey) - word = "testing" - font = ImageFont.truetype(FONT_PATH, FONT_SIZE) - - orientation = None - transposed_font = ImageFont.TransposedFont( - font, orientation=orientation) - - # Original font - draw.font = font - box_size_a = draw.textsize(word) - - # Rotated font - draw.font = transposed_font - box_size_b = draw.textsize(word) - del draw - - # Check boxes a and b are same size - self.assertEqual(box_size_a, box_size_b) - - def test_rotated_transposed_font_get_mask(self): - # Arrange - text = "mask this" - font = ImageFont.truetype(FONT_PATH, FONT_SIZE) - orientation = Image.ROTATE_90 - transposed_font = ImageFont.TransposedFont( - font, orientation=orientation) - - # Act - mask = transposed_font.getmask(text) - - # Assert - self.assertEqual(mask.size, (13, 108)) - - def test_unrotated_transposed_font_get_mask(self): - # Arrange - text = "mask this" - font = ImageFont.truetype(FONT_PATH, FONT_SIZE) - orientation = None - transposed_font = ImageFont.TransposedFont( - font, orientation=orientation) - - # Act - mask = transposed_font.getmask(text) - - # Assert - self.assertEqual(mask.size, (108, 13)) - - def test_free_type_font_get_name(self): - # Arrange - font = ImageFont.truetype(FONT_PATH, FONT_SIZE) - - # Act + draw.multiline_text((0, 0), TEST_TEXT, font=ttf, align=align) + + assert_image_similar_tofile( + im, "Tests/images/multiline_text" + ext + ".png", 0.01 + ) + + def test_unknown_align(self): + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + ttf = self.get_font() + + # Act/Assert + with pytest.raises(ValueError): + draw.multiline_text((0, 0), TEST_TEXT, font=ttf, align="unknown") + + def test_draw_align(self): + im = Image.new("RGB", (300, 100), "white") + draw = ImageDraw.Draw(im) + ttf = self.get_font() + line = "some text" + draw.text((100, 40), line, (0, 0, 0), font=ttf, align="left") + + def test_multiline_size(self): + ttf = self.get_font() + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + + # Test that textsize() correctly connects to multiline_textsize() + assert draw.textsize(TEST_TEXT, font=ttf) == draw.multiline_textsize( + TEST_TEXT, font=ttf + ) + + # Test that multiline_textsize corresponds to ImageFont.textsize() + # for single line text + assert ttf.getsize("A") == draw.multiline_textsize("A", font=ttf) + + # Test that textsize() can pass on additional arguments + # to multiline_textsize() + draw.textsize(TEST_TEXT, font=ttf, spacing=4) + draw.textsize(TEST_TEXT, ttf, 4) + + def test_multiline_width(self): + ttf = self.get_font() + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + + assert ( + draw.textsize("longest line", font=ttf)[0] + == draw.multiline_textsize("longest line\nline", font=ttf)[0] + ) + + def test_multiline_spacing(self): + ttf = self.get_font() + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.multiline_text((0, 0), TEST_TEXT, font=ttf, spacing=10) + + assert_image_similar_tofile(im, "Tests/images/multiline_text_spacing.png", 2.5) + + def test_rotated_transposed_font(self): + img_grey = Image.new("L", (100, 100)) + draw = ImageDraw.Draw(img_grey) + word = "testing" + font = self.get_font() + + orientation = Image.ROTATE_90 + transposed_font = ImageFont.TransposedFont(font, orientation=orientation) + + # Original font + draw.font = font + box_size_a = draw.textsize(word) + + # Rotated font + draw.font = transposed_font + box_size_b = draw.textsize(word) + + # Check (w,h) of box a is (h,w) of box b + assert box_size_a[0] == box_size_b[1] + assert box_size_a[1] == box_size_b[0] + + def test_unrotated_transposed_font(self): + img_grey = Image.new("L", (100, 100)) + draw = ImageDraw.Draw(img_grey) + word = "testing" + font = self.get_font() + + orientation = None + transposed_font = ImageFont.TransposedFont(font, orientation=orientation) + + # Original font + draw.font = font + box_size_a = draw.textsize(word) + + # Rotated font + draw.font = transposed_font + box_size_b = draw.textsize(word) + + # Check boxes a and b are same size + assert box_size_a == box_size_b + + def test_rotated_transposed_font_get_mask(self): + # Arrange + text = "mask this" + font = self.get_font() + orientation = Image.ROTATE_90 + transposed_font = ImageFont.TransposedFont(font, orientation=orientation) + + # Act + mask = transposed_font.getmask(text) + + # Assert + assert mask.size == (13, 108) + + def test_unrotated_transposed_font_get_mask(self): + # Arrange + text = "mask this" + font = self.get_font() + orientation = None + transposed_font = ImageFont.TransposedFont(font, orientation=orientation) + + # Act + mask = transposed_font.getmask(text) + + # Assert + assert mask.size == (108, 13) + + def test_free_type_font_get_name(self): + # Arrange + font = self.get_font() + + # Act + name = font.getname() + + # Assert + assert ("FreeMono", "Regular") == name + + def test_free_type_font_get_metrics(self): + # Arrange + font = self.get_font() + + # Act + ascent, descent = font.getmetrics() + + # Assert + assert isinstance(ascent, int) + assert isinstance(descent, int) + assert (ascent, descent) == (16, 4) # too exact check? + + def test_free_type_font_get_offset(self): + # Arrange + font = self.get_font() + text = "offset this" + + # Act + offset = font.getoffset(text) + + # Assert + assert offset == (0, 3) + + def test_free_type_font_get_mask(self): + # Arrange + font = self.get_font() + text = "mask this" + + # Act + mask = font.getmask(text) + + # Assert + assert mask.size == (108, 13) + + def test_load_path_not_found(self): + # Arrange + filename = "somefilenamethatdoesntexist.ttf" + + # Act/Assert + with pytest.raises(OSError): + ImageFont.load_path(filename) + with pytest.raises(OSError): + ImageFont.truetype(filename) + + def test_load_non_font_bytes(self): + with open("Tests/images/hopper.jpg", "rb") as f: + with pytest.raises(OSError): + ImageFont.truetype(f) + + def test_default_font(self): + # Arrange + txt = 'This is a "better than nothing" default font.' + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + + # Act + default_font = ImageFont.load_default() + draw.text((10, 10), txt, font=default_font) + + # Assert + assert_image_equal_tofile(im, "Tests/images/default_font.png") + + def test_getsize_empty(self): + # issue #2614 + font = self.get_font() + # should not crash. + assert (0, 0) == font.getsize("") + + def test_render_empty(self): + # issue 2666 + font = self.get_font() + im = Image.new(mode="RGB", size=(300, 100)) + target = im.copy() + draw = ImageDraw.Draw(im) + # should not crash here. + draw.text((10, 10), "", font=font) + assert_image_equal(im, target) + + def test_unicode_pilfont(self): + # should not segfault, should return UnicodeDecodeError + # issue #2826 + font = ImageFont.load_default() + with pytest.raises(UnicodeEncodeError): + font.getsize("’") + + def test_unicode_extended(self): + # issue #3777 + text = "A\u278A\U0001F12B" + target = "Tests/images/unicode_extended.png" + + ttf = ImageFont.truetype( + "Tests/fonts/NotoSansSymbols-Regular.ttf", + FONT_SIZE, + layout_engine=self.LAYOUT_ENGINE, + ) + img = Image.new("RGB", (100, 60)) + d = ImageDraw.Draw(img) + d.text((10, 10), text, font=ttf) + + # fails with 14.7 + assert_image_similar_tofile(img, target, 6.2) + + def _test_fake_loading_font(self, monkeypatch, path_to_fake, fontname): + # Make a copy of FreeTypeFont so we can patch the original + free_type_font = copy.deepcopy(ImageFont.FreeTypeFont) + with monkeypatch.context() as m: + m.setattr(ImageFont, "_FreeTypeFont", free_type_font, raising=False) + + def loadable_font(filepath, size, index, encoding, *args, **kwargs): + if filepath == path_to_fake: + return ImageFont._FreeTypeFont( + FONT_PATH, size, index, encoding, *args, **kwargs + ) + return ImageFont._FreeTypeFont( + filepath, size, index, encoding, *args, **kwargs + ) + + m.setattr(ImageFont, "FreeTypeFont", loadable_font) + font = ImageFont.truetype(fontname) + # Make sure it's loaded name = font.getname() - - # Assert - self.assertEqual(('FreeMono', 'Regular'), name) - - def test_free_type_font_get_metrics(self): - # Arrange - font = ImageFont.truetype(FONT_PATH, FONT_SIZE) - - # Act - ascent, descent = font.getmetrics() - - # Assert - self.assertIsInstance(ascent, int) - self.assertIsInstance(descent, int) - self.assertEqual((ascent, descent), (16, 4)) # too exact check? - - def test_free_type_font_get_offset(self): - # Arrange - font = ImageFont.truetype(FONT_PATH, FONT_SIZE) - text = "offset this" - - # Act - offset = font.getoffset(text) - - # Assert - self.assertEqual(offset, (0, 3)) - - def test_free_type_font_get_mask(self): - # Arrange - font = ImageFont.truetype(FONT_PATH, FONT_SIZE) - text = "mask this" - - # Act - mask = font.getmask(text) - - # Assert - self.assertEqual(mask.size, (108, 13)) - - def test_load_path_not_found(self): - # Arrange - filename = "somefilenamethatdoesntexist.ttf" - - # Act/Assert - self.assertRaises(IOError, lambda: ImageFont.load_path(filename)) - - def test_default_font(self): - # Arrange - txt = 'This is a "better than nothing" default font.' - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - - target = 'Tests/images/default_font.png' - target_img = Image.open(target) - - # Act - default_font = ImageFont.load_default() - draw.text((10, 10), txt, font=default_font) - del draw - - # Assert - self.assert_image_equal(im, target_img) - - def _test_fake_loading_font(self, path_to_fake, fontname): - # Make a copy of FreeTypeFont so we can patch the original - free_type_font = copy.deepcopy(ImageFont.FreeTypeFont) - with SimplePatcher(ImageFont, '_FreeTypeFont', free_type_font): - def loadable_font(filepath, size, index, encoding): - if filepath == path_to_fake: - return ImageFont._FreeTypeFont(FONT_PATH, size, index, - encoding) - return ImageFont._FreeTypeFont(filepath, size, index, - encoding) - with SimplePatcher(ImageFont, 'FreeTypeFont', loadable_font): - font = ImageFont.truetype(fontname) - # Make sure it's loaded - name = font.getname() - self.assertEqual(('FreeMono', 'Regular'), name) - - @unittest.skipIf(sys.platform.startswith('win32'), - "requires Unix or MacOS") - def test_find_linux_font(self): - # A lot of mocking here - this is more for hitting code and - # catching syntax like errors - font_directory = '/usr/local/share/fonts' - with SimplePatcher(sys, 'platform', 'linux'): - patched_env = copy.deepcopy(os.environ) - patched_env['XDG_DATA_DIRS'] = '/usr/share/:/usr/local/share/' - with SimplePatcher(os, 'environ', patched_env): - def fake_walker(path): - if path == font_directory: - return [(path, [], [ - 'Arial.ttf', 'Single.otf', 'Duplicate.otf', - 'Duplicate.ttf'], )] - return [(path, [], ['some_random_font.ttf'], )] - with SimplePatcher(os, 'walk', fake_walker): - # Test that the font loads both with and without the - # extension - self._test_fake_loading_font( - font_directory+'/Arial.ttf', 'Arial.ttf') - self._test_fake_loading_font( - font_directory+'/Arial.ttf', 'Arial') - - # Test that non-ttf fonts can be found without the - # extension - self._test_fake_loading_font( - font_directory+'/Single.otf', 'Single') - - # Test that ttf fonts are preferred if the extension is - # not specified - self._test_fake_loading_font( - font_directory+'/Duplicate.ttf', 'Duplicate') - - @unittest.skipIf(sys.platform.startswith('win32'), - "requires Unix or MacOS") - def test_find_macos_font(self): - # Like the linux test, more cover hitting code rather than testing - # correctness. - font_directory = '/System/Library/Fonts' - with SimplePatcher(sys, 'platform', 'darwin'): - def fake_walker(path): - if path == font_directory: - return [(path, [], - ['Arial.ttf', 'Single.otf', - 'Duplicate.otf', 'Duplicate.ttf'], )] - return [(path, [], ['some_random_font.ttf'], )] - with SimplePatcher(os, 'walk', fake_walker): - self._test_fake_loading_font( - font_directory+'/Arial.ttf', 'Arial.ttf') - self._test_fake_loading_font( - font_directory+'/Arial.ttf', 'Arial') - self._test_fake_loading_font( - font_directory+'/Single.otf', 'Single') - self._test_fake_loading_font( - font_directory+'/Duplicate.ttf', 'Duplicate') - - def test_imagefont_getters(self): - # Arrange - t = ImageFont.truetype(FONT_PATH, FONT_SIZE) - - # Act / Assert - self.assertEqual(t.getmetrics(), (16, 4)) - self.assertEqual(t.font.ascent, 16) - self.assertEqual(t.font.descent, 4) - self.assertEqual(t.font.height, 20) - self.assertEqual(t.font.x_ppem, 20) - self.assertEqual(t.font.y_ppem, 20) - self.assertEqual(t.font.glyphs, 4177) - self.assertEqual(t.getsize('A'), (12, 16)) - self.assertEqual(t.getsize('AB'), (24, 16)) - self.assertEqual(t.getsize('M'), (12, 16)) - self.assertEqual(t.getsize('y'), (12, 20)) - self.assertEqual(t.getsize('a'), (12, 16)) - - -except ImportError: - class TestImageFont(PillowTestCase): - def test_skip(self): - self.skipTest("ImportError") - - -if __name__ == '__main__': - unittest.main() + assert ("FreeMono", "Regular") == name + + @pytest.mark.skipif(is_win32(), reason="requires Unix or macOS") + def test_find_linux_font(self, monkeypatch): + # A lot of mocking here - this is more for hitting code and + # catching syntax like errors + font_directory = "/usr/local/share/fonts" + monkeypatch.setattr(sys, "platform", "linux") + monkeypatch.setenv("XDG_DATA_DIRS", "/usr/share/:/usr/local/share/") + + def fake_walker(path): + if path == font_directory: + return [ + ( + path, + [], + ["Arial.ttf", "Single.otf", "Duplicate.otf", "Duplicate.ttf"], + ) + ] + return [(path, [], ["some_random_font.ttf"])] + + monkeypatch.setattr(os, "walk", fake_walker) + # Test that the font loads both with and without the + # extension + self._test_fake_loading_font( + monkeypatch, font_directory + "/Arial.ttf", "Arial.ttf" + ) + self._test_fake_loading_font( + monkeypatch, font_directory + "/Arial.ttf", "Arial" + ) + + # Test that non-ttf fonts can be found without the + # extension + self._test_fake_loading_font( + monkeypatch, font_directory + "/Single.otf", "Single" + ) + + # Test that ttf fonts are preferred if the extension is + # not specified + self._test_fake_loading_font( + monkeypatch, font_directory + "/Duplicate.ttf", "Duplicate" + ) + + @pytest.mark.skipif(is_win32(), reason="requires Unix or macOS") + def test_find_macos_font(self, monkeypatch): + # Like the linux test, more cover hitting code rather than testing + # correctness. + font_directory = "/System/Library/Fonts" + monkeypatch.setattr(sys, "platform", "darwin") + + def fake_walker(path): + if path == font_directory: + return [ + ( + path, + [], + ["Arial.ttf", "Single.otf", "Duplicate.otf", "Duplicate.ttf"], + ) + ] + return [(path, [], ["some_random_font.ttf"])] + + monkeypatch.setattr(os, "walk", fake_walker) + self._test_fake_loading_font( + monkeypatch, font_directory + "/Arial.ttf", "Arial.ttf" + ) + self._test_fake_loading_font( + monkeypatch, font_directory + "/Arial.ttf", "Arial" + ) + self._test_fake_loading_font( + monkeypatch, font_directory + "/Single.otf", "Single" + ) + self._test_fake_loading_font( + monkeypatch, font_directory + "/Duplicate.ttf", "Duplicate" + ) + + def test_imagefont_getters(self): + # Arrange + t = self.get_font() + + # Act / Assert + assert t.getmetrics() == (16, 4) + assert t.font.ascent == 16 + assert t.font.descent == 4 + assert t.font.height == 20 + assert t.font.x_ppem == 20 + assert t.font.y_ppem == 20 + assert t.font.glyphs == 4177 + assert t.getsize("A") == (12, 16) + assert t.getsize("AB") == (24, 16) + assert t.getsize("M") == (12, 16) + assert t.getsize("y") == (12, 20) + assert t.getsize("a") == (12, 16) + assert t.getsize_multiline("A") == (12, 16) + assert t.getsize_multiline("AB") == (24, 16) + assert t.getsize_multiline("a") == (12, 16) + assert t.getsize_multiline("ABC\n") == (36, 36) + assert t.getsize_multiline("ABC\nA") == (36, 36) + assert t.getsize_multiline("ABC\nAaaa") == (48, 36) + + def test_getsize_stroke(self): + # Arrange + t = self.get_font() + + # Act / Assert + for stroke_width in [0, 2]: + assert t.getsize("A", stroke_width=stroke_width) == ( + 12 + stroke_width * 2, + 16 + stroke_width * 2, + ) + assert t.getsize_multiline("ABC\nAaaa", stroke_width=stroke_width) == ( + 48 + stroke_width * 2, + 36 + stroke_width * 4, + ) + + def test_complex_font_settings(self): + # Arrange + t = self.get_font() + # Act / Assert + if t.layout_engine == ImageFont.LAYOUT_BASIC: + with pytest.raises(KeyError): + t.getmask("абвг", direction="rtl") + with pytest.raises(KeyError): + t.getmask("абвг", features=["-kern"]) + with pytest.raises(KeyError): + t.getmask("абвг", language="sr") + + def test_variation_get(self): + font = self.get_font() + + freetype = parse_version(features.version_module("freetype2")) + if freetype < parse_version("2.9.1"): + with pytest.raises(NotImplementedError): + font.get_variation_names() + with pytest.raises(NotImplementedError): + font.get_variation_axes() + return + + with pytest.raises(OSError): + font.get_variation_names() + with pytest.raises(OSError): + font.get_variation_axes() + + font = ImageFont.truetype("Tests/fonts/AdobeVFPrototype.ttf") + assert font.get_variation_names(), [ + b"ExtraLight", + b"Light", + b"Regular", + b"Semibold", + b"Bold", + b"Black", + b"Black Medium Contrast", + b"Black High Contrast", + b"Default", + ] + assert font.get_variation_axes() == [ + {"name": b"Weight", "minimum": 200, "maximum": 900, "default": 389}, + {"name": b"Contrast", "minimum": 0, "maximum": 100, "default": 0}, + ] + + font = ImageFont.truetype("Tests/fonts/TINY5x3GX.ttf") + assert font.get_variation_names() == [ + b"20", + b"40", + b"60", + b"80", + b"100", + b"120", + b"140", + b"160", + b"180", + b"200", + b"220", + b"240", + b"260", + b"280", + b"300", + b"Regular", + ] + assert font.get_variation_axes() == [ + {"name": b"Size", "minimum": 0, "maximum": 300, "default": 0} + ] + + def _check_text(self, font, path, epsilon): + im = Image.new("RGB", (100, 75), "white") + d = ImageDraw.Draw(im) + d.text((10, 10), "Text", font=font, fill="black") + + try: + assert_image_similar_tofile(im, path, epsilon) + except AssertionError: + if "_adobe" in path: + path = path.replace("_adobe", "_adobe_older_harfbuzz") + assert_image_similar_tofile(im, path, epsilon) + else: + raise + + def test_variation_set_by_name(self): + font = self.get_font() + + freetype = parse_version(features.version_module("freetype2")) + if freetype < parse_version("2.9.1"): + with pytest.raises(NotImplementedError): + font.set_variation_by_name("Bold") + return + + with pytest.raises(OSError): + font.set_variation_by_name("Bold") + + font = ImageFont.truetype("Tests/fonts/AdobeVFPrototype.ttf", 36) + self._check_text(font, "Tests/images/variation_adobe.png", 11) + for name in ["Bold", b"Bold"]: + font.set_variation_by_name(name) + self._check_text(font, "Tests/images/variation_adobe_name.png", 11) + + font = ImageFont.truetype("Tests/fonts/TINY5x3GX.ttf", 36) + self._check_text(font, "Tests/images/variation_tiny.png", 40) + for name in ["200", b"200"]: + font.set_variation_by_name(name) + self._check_text(font, "Tests/images/variation_tiny_name.png", 40) + + def test_variation_set_by_axes(self): + font = self.get_font() + + freetype = parse_version(features.version_module("freetype2")) + if freetype < parse_version("2.9.1"): + with pytest.raises(NotImplementedError): + font.set_variation_by_axes([100]) + return + + with pytest.raises(OSError): + font.set_variation_by_axes([500, 50]) + + font = ImageFont.truetype("Tests/fonts/AdobeVFPrototype.ttf", 36) + font.set_variation_by_axes([500, 50]) + self._check_text(font, "Tests/images/variation_adobe_axes.png", 11.05) + + font = ImageFont.truetype("Tests/fonts/TINY5x3GX.ttf", 36) + font.set_variation_by_axes([100]) + self._check_text(font, "Tests/images/variation_tiny_axes.png", 32.5) + + def test_textbbox_non_freetypefont(self): + im = Image.new("RGB", (200, 200)) + d = ImageDraw.Draw(im) + default_font = ImageFont.load_default() + with pytest.raises(ValueError): + d.textbbox((0, 0), "test", font=default_font) + + @pytest.mark.parametrize( + "anchor, left, top", + ( + # test horizontal anchors + ("ls", 0, -36), + ("ms", -64, -36), + ("rs", -128, -36), + # test vertical anchors + ("ma", -64, 16), + ("mt", -64, 0), + ("mm", -64, -17), + ("mb", -64, -44), + ("md", -64, -51), + ), + ids=("ls", "ms", "rs", "ma", "mt", "mm", "mb", "md"), + ) + def test_anchor(self, anchor, left, top): + name, text = "quick", "Quick" + path = f"Tests/images/test_anchor_{name}_{anchor}.png" + + if self.LAYOUT_ENGINE == ImageFont.LAYOUT_RAQM: + width, height = (129, 44) + else: + width, height = (128, 44) + + bbox_expected = (left, top, left + width, top + height) + + f = ImageFont.truetype( + "Tests/fonts/NotoSans-Regular.ttf", 48, layout_engine=self.LAYOUT_ENGINE + ) + + im = Image.new("RGB", (200, 200), "white") + d = ImageDraw.Draw(im) + d.line(((0, 100), (200, 100)), "gray") + d.line(((100, 0), (100, 200)), "gray") + d.text((100, 100), text, fill="black", anchor=anchor, font=f) + + assert d.textbbox((0, 0), text, f, anchor=anchor) == bbox_expected + + assert_image_similar_tofile(im, path, 7) + + @pytest.mark.parametrize( + "anchor, align", + ( + # test horizontal anchors + ("lm", "left"), + ("lm", "center"), + ("lm", "right"), + ("mm", "left"), + ("mm", "center"), + ("mm", "right"), + ("rm", "left"), + ("rm", "center"), + ("rm", "right"), + # test vertical anchors + ("ma", "center"), + # ("mm", "center"), # duplicate + ("md", "center"), + ), + ) + def test_anchor_multiline(self, anchor, align): + target = f"Tests/images/test_anchor_multiline_{anchor}_{align}.png" + text = "a\nlong\ntext sample" + + f = ImageFont.truetype( + "Tests/fonts/NotoSans-Regular.ttf", 48, layout_engine=self.LAYOUT_ENGINE + ) + + # test render + im = Image.new("RGB", (600, 400), "white") + d = ImageDraw.Draw(im) + d.line(((0, 200), (600, 200)), "gray") + d.line(((300, 0), (300, 400)), "gray") + d.multiline_text( + (300, 200), text, fill="black", anchor=anchor, font=f, align=align + ) + + assert_image_similar_tofile(im, target, 4) + + def test_anchor_invalid(self): + font = self.get_font() + im = Image.new("RGB", (100, 100), "white") + d = ImageDraw.Draw(im) + d.font = font + + for anchor in ["", "l", "a", "lax", "sa", "xa", "lx"]: + pytest.raises(ValueError, lambda: font.getmask2("hello", anchor=anchor)) + pytest.raises(ValueError, lambda: font.getbbox("hello", anchor=anchor)) + pytest.raises(ValueError, lambda: d.text((0, 0), "hello", anchor=anchor)) + pytest.raises( + ValueError, lambda: d.textbbox((0, 0), "hello", anchor=anchor) + ) + pytest.raises( + ValueError, lambda: d.multiline_text((0, 0), "foo\nbar", anchor=anchor) + ) + pytest.raises( + ValueError, + lambda: d.multiline_textbbox((0, 0), "foo\nbar", anchor=anchor), + ) + for anchor in ["lt", "lb"]: + pytest.raises( + ValueError, lambda: d.multiline_text((0, 0), "foo\nbar", anchor=anchor) + ) + pytest.raises( + ValueError, + lambda: d.multiline_textbbox((0, 0), "foo\nbar", anchor=anchor), + ) + + @skip_unless_feature("freetype2") + @pytest.mark.parametrize("bpp", (1, 2, 4, 8)) + def test_bitmap_font(self, bpp): + text = "Bitmap Font" + layout_name = ["basic", "raqm"][self.LAYOUT_ENGINE] + target = f"Tests/images/bitmap_font_{bpp}_{layout_name}.png" + font = ImageFont.truetype( + f"Tests/fonts/DejaVuSans/DejaVuSans-24-{bpp}-stripped.ttf", + 24, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (160, 35), "white") + draw = ImageDraw.Draw(im) + draw.text((2, 2), text, "black", font) + + assert_image_equal_tofile(im, target) + + def test_bitmap_font_stroke(self): + text = "Bitmap Font" + layout_name = ["basic", "raqm"][self.LAYOUT_ENGINE] + target = f"Tests/images/bitmap_font_stroke_{layout_name}.png" + font = ImageFont.truetype( + "Tests/fonts/DejaVuSans/DejaVuSans-24-8-stripped.ttf", + 24, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (160, 35), "white") + draw = ImageDraw.Draw(im) + draw.text((2, 2), text, "black", font, stroke_width=2, stroke_fill="red") + + assert_image_similar_tofile(im, target, 0.03) + + def test_standard_embedded_color(self): + txt = "Hello World!" + ttf = ImageFont.truetype(FONT_PATH, 40, layout_engine=self.LAYOUT_ENGINE) + ttf.getsize(txt) + + im = Image.new("RGB", (300, 64), "white") + d = ImageDraw.Draw(im) + d.text((10, 10), txt, font=ttf, fill="#fa6", embedded_color=True) + + assert_image_similar_tofile(im, "Tests/images/standard_embedded.png", 6.2) + + def test_cbdt(self): + try: + font = ImageFont.truetype( + "Tests/fonts/NotoColorEmoji.ttf", + size=109, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (150, 150), "white") + d = ImageDraw.Draw(im) + + d.text((10, 10), "\U0001f469", font=font, embedded_color=True) + + assert_image_similar_tofile(im, "Tests/images/cbdt_notocoloremoji.png", 6.2) + except OSError as e: # pragma: no cover + assert str(e) in ("unimplemented feature", "unknown file format") + pytest.skip("freetype compiled without libpng or CBDT support") + + def test_cbdt_mask(self): + try: + font = ImageFont.truetype( + "Tests/fonts/NotoColorEmoji.ttf", + size=109, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (150, 150), "white") + d = ImageDraw.Draw(im) + + d.text((10, 10), "\U0001f469", "black", font=font) + + assert_image_similar_tofile( + im, "Tests/images/cbdt_notocoloremoji_mask.png", 6.2 + ) + except OSError as e: # pragma: no cover + assert str(e) in ("unimplemented feature", "unknown file format") + pytest.skip("freetype compiled without libpng or CBDT support") + + def test_sbix(self): + try: + font = ImageFont.truetype( + "Tests/fonts/chromacheck-sbix.woff", + size=300, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (400, 400), "white") + d = ImageDraw.Draw(im) + + d.text((50, 50), "\uE901", font=font, embedded_color=True) + + assert_image_similar_tofile(im, "Tests/images/chromacheck-sbix.png", 1) + except OSError as e: # pragma: no cover + assert str(e) in ("unimplemented feature", "unknown file format") + pytest.skip("freetype compiled without libpng or SBIX support") + + def test_sbix_mask(self): + try: + font = ImageFont.truetype( + "Tests/fonts/chromacheck-sbix.woff", + size=300, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (400, 400), "white") + d = ImageDraw.Draw(im) + + d.text((50, 50), "\uE901", (100, 0, 0), font=font) + + assert_image_similar_tofile(im, "Tests/images/chromacheck-sbix_mask.png", 1) + except OSError as e: # pragma: no cover + assert str(e) in ("unimplemented feature", "unknown file format") + pytest.skip("freetype compiled without libpng or SBIX support") + + @skip_unless_feature_version("freetype2", "2.10.0") + def test_colr(self): + font = ImageFont.truetype( + "Tests/fonts/BungeeColor-Regular_colr_Windows.ttf", + size=64, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (300, 75), "white") + d = ImageDraw.Draw(im) + + d.text((15, 5), "Bungee", font=font, embedded_color=True) + + assert_image_similar_tofile(im, "Tests/images/colr_bungee.png", 21) + + @skip_unless_feature_version("freetype2", "2.10.0") + def test_colr_mask(self): + font = ImageFont.truetype( + "Tests/fonts/BungeeColor-Regular_colr_Windows.ttf", + size=64, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (300, 75), "white") + d = ImageDraw.Draw(im) + + d.text((15, 5), "Bungee", "black", font=font) + + assert_image_similar_tofile(im, "Tests/images/colr_bungee_mask.png", 22) + + +@skip_unless_feature("raqm") +class TestImageFont_RaqmLayout(TestImageFont): + LAYOUT_ENGINE = ImageFont.LAYOUT_RAQM + + +def test_render_mono_size(): + # issue 4177 + + im = Image.new("P", (100, 30), "white") + draw = ImageDraw.Draw(im) + ttf = ImageFont.truetype( + "Tests/fonts/DejaVuSans/DejaVuSans.ttf", + 18, + layout_engine=ImageFont.LAYOUT_BASIC, + ) + + draw.text((10, 10), "r" * 10, "black", ttf) + assert_image_equal_tofile(im, "Tests/images/text_mono.gif") + + +@pytest.mark.parametrize( + "test_file", + [ + "Tests/fonts/oom-e8e927ba6c0d38274a37c1567560eb33baf74627.ttf", + ], +) +def test_oom(test_file): + with open(test_file, "rb") as f: + font = ImageFont.truetype(BytesIO(f.read())) + with pytest.raises(Image.DecompressionBombError): + font.getmask("Test Text") diff --git a/Tests/test_imagefont_bitmap.py b/Tests/test_imagefont_bitmap.py deleted file mode 100644 index 7ee5f8a2b5e..00000000000 --- a/Tests/test_imagefont_bitmap.py +++ /dev/null @@ -1,38 +0,0 @@ -from helper import unittest, PillowTestCase -from PIL import Image, ImageFont, ImageDraw - - -image_font_installed = True -try: - ImageFont.core.getfont -except ImportError: - image_font_installed = False - - -@unittest.skipIf(not image_font_installed, "image font not installed") -class TestImageFontBitmap(PillowTestCase): - def test_similar(self): - text = 'EmbeddedBitmap' - font_outline = ImageFont.truetype( - font='Tests/fonts/DejaVuSans.ttf', size=24) - font_bitmap = ImageFont.truetype( - font='Tests/fonts/DejaVuSans-bitmap.ttf', size=24) - size_outline = font_outline.getsize(text) - size_bitmap = font_bitmap.getsize(text) - size_final = max(size_outline[0], size_bitmap[0]), max(size_outline[1], size_bitmap[1]) - im_bitmap = Image.new('RGB', size_final, (255, 255, 255)) - im_outline = im_bitmap.copy() - draw_bitmap = ImageDraw.Draw(im_bitmap) - draw_outline = ImageDraw.Draw(im_outline) - - # Metrics are different on the bitmap and ttf fonts, - # more so on some platforms and versions of freetype than others. - # Mac has a 1px difference, linux doesn't. - draw_bitmap.text((0, size_final[1] - size_bitmap[1]), - text, fill=(0, 0, 0), font=font_bitmap) - draw_outline.text((0, size_final[1] - size_outline[1]), - text, fill=(0, 0, 0), font=font_outline) - self.assert_image_similar(im_bitmap, im_outline, 20) - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_imagefontctl.py b/Tests/test_imagefontctl.py new file mode 100644 index 00000000000..ffb70cf1799 --- /dev/null +++ b/Tests/test_imagefontctl.py @@ -0,0 +1,396 @@ +import pytest + +from PIL import Image, ImageDraw, ImageFont + +from .helper import assert_image_similar_tofile, skip_unless_feature + +FONT_SIZE = 20 +FONT_PATH = "Tests/fonts/DejaVuSans/DejaVuSans.ttf" + +pytestmark = skip_unless_feature("raqm") + + +def test_english(): + # smoke test, this should not fail + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "TEST", font=ttf, fill=500, direction="ltr") + + +def test_complex_text(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "اهلا عمان", font=ttf, fill=500) + + target = "Tests/images/test_text.png" + assert_image_similar_tofile(im, target, 0.5) + + +def test_y_offset(): + ttf = ImageFont.truetype("Tests/fonts/NotoNastaliqUrdu-Regular.ttf", FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "العالم العربي", font=ttf, fill=500) + + target = "Tests/images/test_y_offset.png" + assert_image_similar_tofile(im, target, 1.7) + + +def test_complex_unicode_text(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "السلام عليكم", font=ttf, fill=500) + + target = "Tests/images/test_complex_unicode_text.png" + assert_image_similar_tofile(im, target, 0.5) + + ttf = ImageFont.truetype("Tests/fonts/KhmerOSBattambang-Regular.ttf", FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "លោកុប្បត្តិ", font=ttf, fill=500) + + target = "Tests/images/test_complex_unicode_text2.png" + assert_image_similar_tofile(im, target, 2.33) + + +def test_text_direction_rtl(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "English عربي", font=ttf, fill=500, direction="rtl") + + target = "Tests/images/test_direction_rtl.png" + assert_image_similar_tofile(im, target, 0.5) + + +def test_text_direction_ltr(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "سلطنة عمان Oman", font=ttf, fill=500, direction="ltr") + + target = "Tests/images/test_direction_ltr.png" + assert_image_similar_tofile(im, target, 0.5) + + +def test_text_direction_rtl2(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "Oman سلطنة عمان", font=ttf, fill=500, direction="rtl") + + target = "Tests/images/test_direction_ltr.png" + assert_image_similar_tofile(im, target, 0.5) + + +def test_text_direction_ttb(): + ttf = ImageFont.truetype("Tests/fonts/NotoSansJP-Regular.otf", FONT_SIZE) + + im = Image.new(mode="RGB", size=(100, 300)) + draw = ImageDraw.Draw(im) + try: + draw.text((0, 0), "English あい", font=ttf, fill=500, direction="ttb") + except ValueError as ex: + if str(ex) == "libraqm 0.7 or greater required for 'ttb' direction": + pytest.skip("libraqm 0.7 or greater not available") + + target = "Tests/images/test_direction_ttb.png" + assert_image_similar_tofile(im, target, 2.8) + + +def test_text_direction_ttb_stroke(): + ttf = ImageFont.truetype("Tests/fonts/NotoSansJP-Regular.otf", 50) + + im = Image.new(mode="RGB", size=(100, 300)) + draw = ImageDraw.Draw(im) + try: + draw.text( + (27, 27), + "あい", + font=ttf, + fill=500, + direction="ttb", + stroke_width=2, + stroke_fill="#0f0", + ) + except ValueError as ex: + if str(ex) == "libraqm 0.7 or greater required for 'ttb' direction": + pytest.skip("libraqm 0.7 or greater not available") + + target = "Tests/images/test_direction_ttb_stroke.png" + assert_image_similar_tofile(im, target, 19.4) + + +def test_ligature_features(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "filling", font=ttf, fill=500, features=["-liga"]) + target = "Tests/images/test_ligature_features.png" + assert_image_similar_tofile(im, target, 0.5) + + liga_size = ttf.getsize("fi", features=["-liga"]) + assert liga_size == (13, 19) + + +def test_kerning_features(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "TeToAV", font=ttf, fill=500, features=["-kern"]) + + target = "Tests/images/test_kerning_features.png" + assert_image_similar_tofile(im, target, 0.5) + + +def test_arabictext_features(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text( + (0, 0), + "اللغة العربية", + font=ttf, + fill=500, + features=["-fina", "-init", "-medi"], + ) + + target = "Tests/images/test_arabictext_features.png" + assert_image_similar_tofile(im, target, 0.5) + + +def test_x_max_and_y_offset(): + ttf = ImageFont.truetype("Tests/fonts/ArefRuqaa-Regular.ttf", 40) + + im = Image.new(mode="RGB", size=(50, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "لح", font=ttf, fill=500) + + target = "Tests/images/test_x_max_and_y_offset.png" + assert_image_similar_tofile(im, target, 0.5) + + +def test_language(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "абвг", font=ttf, fill=500, language="sr") + + target = "Tests/images/test_language.png" + assert_image_similar_tofile(im, target, 0.5) + + +@pytest.mark.parametrize("mode", ("L", "1")) +@pytest.mark.parametrize( + "text, direction, expected", + ( + ("سلطنة عمان Oman", None, 173.703125), + ("سلطنة عمان Oman", "ltr", 173.703125), + ("Oman سلطنة عمان", "rtl", 173.703125), + ("English عربي", "rtl", 123.796875), + ("test", "ttb", 80.0), + ), + ids=("None", "ltr", "rtl2", "rtl", "ttb"), +) +def test_getlength(mode, text, direction, expected): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + im = Image.new(mode, (1, 1), 0) + d = ImageDraw.Draw(im) + + try: + assert d.textlength(text, ttf, direction) == expected + except ValueError as ex: + if ( + direction == "ttb" + and str(ex) == "libraqm 0.7 or greater required for 'ttb' direction" + ): + pytest.skip("libraqm 0.7 or greater not available") + + +@pytest.mark.parametrize("mode", ("L", "1")) +@pytest.mark.parametrize("direction", ("ltr", "ttb")) +@pytest.mark.parametrize( + "text", + ("i" + ("\u030C" * 15) + "i", "i" + "\u032C" * 15 + "i", "\u035Cii", "i\u0305i"), + ids=("caron-above", "caron-below", "double-breve", "overline"), +) +def test_getlength_combine(mode, direction, text): + if text == "i\u0305i" and direction == "ttb": + pytest.skip("fails with this font") + + ttf = ImageFont.truetype("Tests/fonts/NotoSans-Regular.ttf", 48) + + try: + target = ttf.getlength("ii", mode, direction) + actual = ttf.getlength(text, mode, direction) + + assert actual == target + except ValueError as ex: + if ( + direction == "ttb" + and str(ex) == "libraqm 0.7 or greater required for 'ttb' direction" + ): + pytest.skip("libraqm 0.7 or greater not available") + + +@pytest.mark.parametrize("anchor", ("lt", "mm", "rb", "sm")) +def test_anchor_ttb(anchor): + text = "f" + path = f"Tests/images/test_anchor_ttb_{text}_{anchor}.png" + f = ImageFont.truetype("Tests/fonts/NotoSans-Regular.ttf", 120) + + im = Image.new("RGB", (200, 400), "white") + d = ImageDraw.Draw(im) + d.line(((0, 200), (200, 200)), "gray") + d.line(((100, 0), (100, 400)), "gray") + try: + d.text((100, 200), text, fill="black", anchor=anchor, direction="ttb", font=f) + except ValueError as ex: + if str(ex) == "libraqm 0.7 or greater required for 'ttb' direction": + pytest.skip("libraqm 0.7 or greater not available") + + assert_image_similar_tofile(im, path, 1) # fails at 5 + + +combine_tests = ( + # extends above (e.g. issue #4553) + ("caron", "a\u030C\u030C\u030C\u030C\u030Cb", None, None, 0.08), + ("caron_la", "a\u030C\u030C\u030C\u030C\u030Cb", "la", None, 0.08), + ("caron_lt", "a\u030C\u030C\u030C\u030C\u030Cb", "lt", None, 0.08), + ("caron_ls", "a\u030C\u030C\u030C\u030C\u030Cb", "ls", None, 0.08), + ("caron_ttb", "ca" + ("\u030C" * 15) + "b", None, "ttb", 0.3), + ("caron_ttb_lt", "ca" + ("\u030C" * 15) + "b", "lt", "ttb", 0.3), + # extends below + ("caron_below", "a\u032C\u032C\u032C\u032C\u032Cb", None, None, 0.02), + ("caron_below_ld", "a\u032C\u032C\u032C\u032C\u032Cb", "ld", None, 0.02), + ("caron_below_lb", "a\u032C\u032C\u032C\u032C\u032Cb", "lb", None, 0.02), + ("caron_below_ls", "a\u032C\u032C\u032C\u032C\u032Cb", "ls", None, 0.02), + ("caron_below_ttb", "a" + ("\u032C" * 15) + "b", None, "ttb", 0.03), + ("caron_below_ttb_lb", "a" + ("\u032C" * 15) + "b", "lb", "ttb", 0.03), + # extends to the right (e.g. issue #3745) + ("double_breve_below", "a\u035Ci", None, None, 0.02), + ("double_breve_below_ma", "a\u035Ci", "ma", None, 0.02), + ("double_breve_below_ra", "a\u035Ci", "ra", None, 0.02), + ("double_breve_below_ttb", "a\u035Cb", None, "ttb", 0.02), + ("double_breve_below_ttb_rt", "a\u035Cb", "rt", "ttb", 0.02), + ("double_breve_below_ttb_mt", "a\u035Cb", "mt", "ttb", 0.02), + ("double_breve_below_ttb_st", "a\u035Cb", "st", "ttb", 0.02), + # extends to the left (fail=0.064) + ("overline", "i\u0305", None, None, 0.02), + ("overline_la", "i\u0305", "la", None, 0.02), + ("overline_ra", "i\u0305", "ra", None, 0.02), + ("overline_ttb", "i\u0305", None, "ttb", 0.02), + ("overline_ttb_rt", "i\u0305", "rt", "ttb", 0.02), + ("overline_ttb_mt", "i\u0305", "mt", "ttb", 0.02), + ("overline_ttb_st", "i\u0305", "st", "ttb", 0.02), +) + + +# this tests various combining characters for anchor alignment and clipping +@pytest.mark.parametrize( + "name, text, anchor, dir, epsilon", combine_tests, ids=[r[0] for r in combine_tests] +) +def test_combine(name, text, dir, anchor, epsilon): + path = f"Tests/images/test_combine_{name}.png" + f = ImageFont.truetype("Tests/fonts/NotoSans-Regular.ttf", 48) + + im = Image.new("RGB", (400, 400), "white") + d = ImageDraw.Draw(im) + d.line(((0, 200), (400, 200)), "gray") + d.line(((200, 0), (200, 400)), "gray") + try: + d.text((200, 200), text, fill="black", anchor=anchor, direction=dir, font=f) + except ValueError as ex: + if str(ex) == "libraqm 0.7 or greater required for 'ttb' direction": + pytest.skip("libraqm 0.7 or greater not available") + + assert_image_similar_tofile(im, path, epsilon) + + +@pytest.mark.parametrize( + "anchor, align", + ( + ("lm", "left"), # pass with getsize + ("lm", "center"), # fail at 2.12 + ("lm", "right"), # fail at 2.57 + ("mm", "left"), # fail at 2.12 + ("mm", "center"), # pass with getsize + ("mm", "right"), # fail at 2.12 + ("rm", "left"), # fail at 2.57 + ("rm", "center"), # fail at 2.12 + ("rm", "right"), # pass with getsize + ), +) +def test_combine_multiline(anchor, align): + # test that multiline text uses getlength, not getsize or getbbox + + path = f"Tests/images/test_combine_multiline_{anchor}_{align}.png" + f = ImageFont.truetype("Tests/fonts/NotoSans-Regular.ttf", 48) + text = "i\u0305\u035C\ntext" # i with overline and double breve, and a word + + im = Image.new("RGB", (400, 400), "white") + d = ImageDraw.Draw(im) + d.line(((0, 200), (400, 200)), "gray") + d.line(((200, 0), (200, 400)), "gray") + bbox = d.multiline_textbbox((200, 200), text, anchor=anchor, font=f, align=align) + d.rectangle(bbox, outline="red") + d.multiline_text((200, 200), text, fill="black", anchor=anchor, font=f, align=align) + + assert_image_similar_tofile(im, path, 0.015) + + +def test_anchor_invalid_ttb(): + font = ImageFont.truetype(FONT_PATH, FONT_SIZE) + im = Image.new("RGB", (100, 100), "white") + d = ImageDraw.Draw(im) + d.font = font + + for anchor in ["", "l", "a", "lax", "xa", "la", "ls", "ld", "lx"]: + pytest.raises( + ValueError, lambda: font.getmask2("hello", anchor=anchor, direction="ttb") + ) + pytest.raises( + ValueError, lambda: font.getbbox("hello", anchor=anchor, direction="ttb") + ) + pytest.raises( + ValueError, lambda: d.text((0, 0), "hello", anchor=anchor, direction="ttb") + ) + pytest.raises( + ValueError, + lambda: d.textbbox((0, 0), "hello", anchor=anchor, direction="ttb"), + ) + pytest.raises( + ValueError, + lambda: d.multiline_text( + (0, 0), "foo\nbar", anchor=anchor, direction="ttb" + ), + ) + pytest.raises( + ValueError, + lambda: d.multiline_textbbox( + (0, 0), "foo\nbar", anchor=anchor, direction="ttb" + ), + ) + # ttb multiline text does not support anchors at all + pytest.raises( + ValueError, + lambda: d.multiline_text((0, 0), "foo\nbar", anchor="mm", direction="ttb"), + ) + pytest.raises( + ValueError, + lambda: d.multiline_textbbox((0, 0), "foo\nbar", anchor="mm", direction="ttb"), + ) diff --git a/Tests/test_imagegrab.py b/Tests/test_imagegrab.py index 840df31c25b..fa2291582d4 100644 --- a/Tests/test_imagegrab.py +++ b/Tests/test_imagegrab.py @@ -1,49 +1,93 @@ -from helper import unittest, PillowTestCase, on_appveyor - +import os +import subprocess import sys -try: - from PIL import ImageGrab +import pytest - class TestImageGrab(PillowTestCase): +from PIL import Image, ImageGrab - @unittest.skipIf(on_appveyor(), "Test fails on appveyor") - def test_grab(self): - im = ImageGrab.grab() - self.assert_image(im, im.mode, im.size) +from .helper import assert_image_equal_tofile, skip_unless_feature - @unittest.skipIf(on_appveyor(), "Test fails on appveyor") - def test_grab2(self): - im = ImageGrab.grab() - self.assert_image(im, im.mode, im.size) -except ImportError: - class TestImageGrab(PillowTestCase): - def test_skip(self): - self.skipTest("ImportError") +class TestImageGrab: + @pytest.mark.skipif( + sys.platform not in ("win32", "darwin"), reason="requires Windows or macOS" + ) + def test_grab(self): + ImageGrab.grab() + ImageGrab.grab(include_layered_windows=True) + ImageGrab.grab(all_screens=True) + im = ImageGrab.grab(bbox=(10, 20, 50, 80)) + assert im.size == (40, 60) -class TestImageGrabImport(PillowTestCase): + @skip_unless_feature("xcb") + def test_grab_x11(self): + try: + if sys.platform not in ("win32", "darwin"): + ImageGrab.grab() - def test_import(self): - # Arrange - exception = None + ImageGrab.grab(xdisplay="") + except OSError as e: + pytest.skip(str(e)) - # Act - try: - from PIL import ImageGrab - ImageGrab.__name__ # dummy to prevent Pyflakes warning - except Exception as e: - exception = e - - # Assert - if sys.platform in ["win32", "darwin"]: - self.assertIsNone(exception, None) + @pytest.mark.skipif(Image.core.HAVE_XCB, reason="tests missing XCB") + def test_grab_no_xcb(self): + if sys.platform not in ("win32", "darwin"): + with pytest.raises(OSError) as e: + ImageGrab.grab() + assert str(e.value).startswith("Pillow was built without XCB support") + + with pytest.raises(OSError) as e: + ImageGrab.grab(xdisplay="") + assert str(e.value).startswith("Pillow was built without XCB support") + + @skip_unless_feature("xcb") + def test_grab_invalid_xdisplay(self): + with pytest.raises(OSError) as e: + ImageGrab.grab(xdisplay="error.test:0.0") + assert str(e.value).startswith("X connection failed") + + def test_grabclipboard(self): + if sys.platform == "darwin": + subprocess.call(["screencapture", "-cx"]) + elif sys.platform == "win32": + p = subprocess.Popen(["powershell", "-command", "-"], stdin=subprocess.PIPE) + p.stdin.write( + b"""[Reflection.Assembly]::LoadWithPartialName("System.Drawing") +[Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms") +$bmp = New-Object Drawing.Bitmap 200, 200 +[Windows.Forms.Clipboard]::SetImage($bmp)""" + ) + p.communicate() else: - self.assertIsInstance(exception, ImportError) - self.assertEqual(str(exception), - "ImageGrab is macOS and Windows only") + with pytest.raises(NotImplementedError) as e: + ImageGrab.grabclipboard() + assert str(e.value) == "ImageGrab.grabclipboard() is macOS and Windows only" + return + + ImageGrab.grabclipboard() + + @pytest.mark.skipif(sys.platform != "win32", reason="Windows only") + def test_grabclipboard_file(self): + p = subprocess.Popen(["powershell", "-command", "-"], stdin=subprocess.PIPE) + p.stdin.write(rb'Set-Clipboard -Path "Tests\images\hopper.gif"') + p.communicate() + + im = ImageGrab.grabclipboard() + assert len(im) == 1 + assert os.path.samefile(im[0], "Tests/images/hopper.gif") + @pytest.mark.skipif(sys.platform != "win32", reason="Windows only") + def test_grabclipboard_png(self): + p = subprocess.Popen(["powershell", "-command", "-"], stdin=subprocess.PIPE) + p.stdin.write( + rb"""$bytes = [System.IO.File]::ReadAllBytes("Tests\images\hopper.png") +$ms = new-object System.IO.MemoryStream(, $bytes) +[Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms") +[Windows.Forms.Clipboard]::SetData("PNG", $ms)""" + ) + p.communicate() -if __name__ == '__main__': - unittest.main() + im = ImageGrab.grabclipboard() + assert_image_equal_tofile(im, "Tests/images/hopper.png") diff --git a/Tests/test_imagemath.py b/Tests/test_imagemath.py index a5295c4f9ee..39d91eadea6 100644 --- a/Tests/test_imagemath.py +++ b/Tests/test_imagemath.py @@ -1,23 +1,22 @@ -from __future__ import print_function -from helper import unittest, PillowTestCase +import pytest -from PIL import Image -from PIL import ImageMath +from PIL import Image, ImageMath def pixel(im): if hasattr(im, "im"): - return "%s %r" % (im.mode, im.getpixel((0, 0))) + return f"{im.mode} {repr(im.getpixel((0, 0)))}" else: - if isinstance(im, type(0)): + if isinstance(im, int): return int(im) # hack to deal with booleans print(im) + A = Image.new("L", (1, 1), 1) B = Image.new("L", (1, 1), 2) Z = Image.new("L", (1, 1), 0) # Z for zero F = Image.new("F", (1, 1), 3) -I = Image.new("I", (1, 1), 4) +I = Image.new("I", (1, 1), 4) # noqa: E741 A2 = A.resize((2, 2)) B2 = B.resize((2, 2)) @@ -25,163 +24,181 @@ def pixel(im): images = {"A": A, "B": B, "F": F, "I": I} -class TestImageMath(PillowTestCase): - - def test_sanity(self): - self.assertEqual(ImageMath.eval("1"), 1) - self.assertEqual(ImageMath.eval("1+A", A=2), 3) - self.assertEqual(pixel(ImageMath.eval("A+B", A=A, B=B)), "I 3") - self.assertEqual(pixel(ImageMath.eval("A+B", images)), "I 3") - self.assertEqual(pixel(ImageMath.eval("float(A)+B", images)), "F 3.0") - self.assertEqual(pixel( - ImageMath.eval("int(float(A)+B)", images)), "I 3") - - def test_ops(self): - - self.assertEqual(pixel(ImageMath.eval("-A", images)), "I -1") - self.assertEqual(pixel(ImageMath.eval("+B", images)), "L 2") - - self.assertEqual(pixel(ImageMath.eval("A+B", images)), "I 3") - self.assertEqual(pixel(ImageMath.eval("A-B", images)), "I -1") - self.assertEqual(pixel(ImageMath.eval("A*B", images)), "I 2") - self.assertEqual(pixel(ImageMath.eval("A/B", images)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B**2", images)), "I 4") - self.assertEqual(pixel( - ImageMath.eval("B**33", images)), "I 2147483647") - - self.assertEqual(pixel(ImageMath.eval("float(A)+B", images)), "F 3.0") - self.assertEqual(pixel(ImageMath.eval("float(A)-B", images)), "F -1.0") - self.assertEqual(pixel(ImageMath.eval("float(A)*B", images)), "F 2.0") - self.assertEqual(pixel(ImageMath.eval("float(A)/B", images)), "F 0.5") - self.assertEqual(pixel(ImageMath.eval("float(B)**2", images)), "F 4.0") - self.assertEqual(pixel( - ImageMath.eval("float(B)**33", images)), "F 8589934592.0") - - def test_logical(self): - self.assertEqual(pixel(ImageMath.eval("not A", images)), 0) - self.assertEqual(pixel(ImageMath.eval("A and B", images)), "L 2") - self.assertEqual(pixel(ImageMath.eval("A or B", images)), "L 1") - - def test_convert(self): - self.assertEqual(pixel( - ImageMath.eval("convert(A+B, 'L')", images)), "L 3") - self.assertEqual(pixel( - ImageMath.eval("convert(A+B, '1')", images)), "1 0") - self.assertEqual(pixel( - ImageMath.eval("convert(A+B, 'RGB')", images)), "RGB (3, 3, 3)") - - def test_compare(self): - self.assertEqual(pixel(ImageMath.eval("min(A, B)", images)), "I 1") - self.assertEqual(pixel(ImageMath.eval("max(A, B)", images)), "I 2") - self.assertEqual(pixel(ImageMath.eval("A == 1", images)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A == 2", images)), "I 0") - - def test_one_image_larger(self): - self.assertEqual(pixel(ImageMath.eval("A+B", A=A2, B=B)), "I 3") - self.assertEqual(pixel(ImageMath.eval("A+B", A=A, B=B2)), "I 3") - - def test_abs(self): - self.assertEqual(pixel(ImageMath.eval("abs(A)", A=A)), "I 1") - self.assertEqual(pixel(ImageMath.eval("abs(B)", B=B)), "I 2") - - def test_binary_mod(self): - self.assertEqual(pixel(ImageMath.eval("A%A", A=A)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B%B", B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A%B", A=A, B=B)), "I 1") - self.assertEqual(pixel(ImageMath.eval("B%A", A=A, B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z%A", A=A, Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z%B", B=B, Z=Z)), "I 0") - - def test_bitwise_invert(self): - self.assertEqual(pixel(ImageMath.eval("~Z", Z=Z)), "I -1") - self.assertEqual(pixel(ImageMath.eval("~A", A=A)), "I -2") - self.assertEqual(pixel(ImageMath.eval("~B", B=B)), "I -3") - - def test_bitwise_and(self): - self.assertEqual(pixel(ImageMath.eval("Z&Z", A=A, Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z&A", A=A, Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A&Z", A=A, Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A&A", A=A, Z=Z)), "I 1") - - def test_bitwise_or(self): - self.assertEqual(pixel(ImageMath.eval("Z|Z", A=A, Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z|A", A=A, Z=Z)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A|Z", A=A, Z=Z)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A|A", A=A, Z=Z)), "I 1") - - def test_bitwise_xor(self): - self.assertEqual(pixel(ImageMath.eval("Z^Z", A=A, Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z^A", A=A, Z=Z)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A^Z", A=A, Z=Z)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A^A", A=A, Z=Z)), "I 0") - - def test_bitwise_leftshift(self): - self.assertEqual(pixel(ImageMath.eval("Z<<0", Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z<<1", Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A<<0", A=A)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A<<1", A=A)), "I 2") - - def test_bitwise_rightshift(self): - self.assertEqual(pixel(ImageMath.eval("Z>>0", Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z>>1", Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A>>0", A=A)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A>>1", A=A)), "I 0") - - def test_logical_eq(self): - self.assertEqual(pixel(ImageMath.eval("A==A", A=A)), "I 1") - self.assertEqual(pixel(ImageMath.eval("B==B", B=B)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A==B", A=A, B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B==A", A=A, B=B)), "I 0") - - def test_logical_ne(self): - self.assertEqual(pixel(ImageMath.eval("A!=A", A=A)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B!=B", B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A!=B", A=A, B=B)), "I 1") - self.assertEqual(pixel(ImageMath.eval("B!=A", A=A, B=B)), "I 1") - - def test_logical_lt(self): - self.assertEqual(pixel(ImageMath.eval("AA", A=A)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B>B", B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A>B", A=A, B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B>A", A=A, B=B)), "I 1") - - def test_logical_ge(self): - self.assertEqual(pixel(ImageMath.eval("A>=A", A=A)), "I 1") - self.assertEqual(pixel(ImageMath.eval("B>=B", B=B)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A>=B", A=A, B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B>=A", A=A, B=B)), "I 1") - - def test_logical_equal(self): - self.assertEqual(pixel(ImageMath.eval("equal(A, A)", A=A)), "I 1") - self.assertEqual(pixel(ImageMath.eval("equal(B, B)", B=B)), "I 1") - self.assertEqual(pixel(ImageMath.eval("equal(Z, Z)", Z=Z)), "I 1") - self.assertEqual(pixel(ImageMath.eval("equal(A, B)", A=A, B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("equal(B, A)", A=A, B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("equal(A, Z)", A=A, Z=Z)), "I 0") - - def test_logical_not_equal(self): - self.assertEqual(pixel(ImageMath.eval("notequal(A, A)", A=A)), "I 0") - self.assertEqual(pixel(ImageMath.eval("notequal(B, B)", B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("notequal(Z, Z)", Z=Z)), "I 0") - self.assertEqual( - pixel(ImageMath.eval("notequal(A, B)", A=A, B=B)), "I 1") - self.assertEqual( - pixel(ImageMath.eval("notequal(B, A)", A=A, B=B)), "I 1") - self.assertEqual( - pixel(ImageMath.eval("notequal(A, Z)", A=A, Z=Z)), "I 1") - - -if __name__ == '__main__': - unittest.main() +def test_sanity(): + assert ImageMath.eval("1") == 1 + assert ImageMath.eval("1+A", A=2) == 3 + assert pixel(ImageMath.eval("A+B", A=A, B=B)) == "I 3" + assert pixel(ImageMath.eval("A+B", images)) == "I 3" + assert pixel(ImageMath.eval("float(A)+B", images)) == "F 3.0" + assert pixel(ImageMath.eval("int(float(A)+B)", images)) == "I 3" + + +def test_ops(): + assert pixel(ImageMath.eval("-A", images)) == "I -1" + assert pixel(ImageMath.eval("+B", images)) == "L 2" + + assert pixel(ImageMath.eval("A+B", images)) == "I 3" + assert pixel(ImageMath.eval("A-B", images)) == "I -1" + assert pixel(ImageMath.eval("A*B", images)) == "I 2" + assert pixel(ImageMath.eval("A/B", images)) == "I 0" + assert pixel(ImageMath.eval("B**2", images)) == "I 4" + assert pixel(ImageMath.eval("B**33", images)) == "I 2147483647" + + assert pixel(ImageMath.eval("float(A)+B", images)) == "F 3.0" + assert pixel(ImageMath.eval("float(A)-B", images)) == "F -1.0" + assert pixel(ImageMath.eval("float(A)*B", images)) == "F 2.0" + assert pixel(ImageMath.eval("float(A)/B", images)) == "F 0.5" + assert pixel(ImageMath.eval("float(B)**2", images)) == "F 4.0" + assert pixel(ImageMath.eval("float(B)**33", images)) == "F 8589934592.0" + + +@pytest.mark.parametrize( + "expression", + ( + "exec('pass')", + "(lambda: exec('pass'))()", + "(lambda: (lambda: exec('pass'))())()", + ), +) +def test_prevent_exec(expression): + with pytest.raises(ValueError): + ImageMath.eval(expression) + + +def test_logical(): + assert pixel(ImageMath.eval("not A", images)) == 0 + assert pixel(ImageMath.eval("A and B", images)) == "L 2" + assert pixel(ImageMath.eval("A or B", images)) == "L 1" + + +def test_convert(): + assert pixel(ImageMath.eval("convert(A+B, 'L')", images)) == "L 3" + assert pixel(ImageMath.eval("convert(A+B, '1')", images)) == "1 0" + assert pixel(ImageMath.eval("convert(A+B, 'RGB')", images)) == "RGB (3, 3, 3)" + + +def test_compare(): + assert pixel(ImageMath.eval("min(A, B)", images)) == "I 1" + assert pixel(ImageMath.eval("max(A, B)", images)) == "I 2" + assert pixel(ImageMath.eval("A == 1", images)) == "I 1" + assert pixel(ImageMath.eval("A == 2", images)) == "I 0" + + +def test_one_image_larger(): + assert pixel(ImageMath.eval("A+B", A=A2, B=B)) == "I 3" + assert pixel(ImageMath.eval("A+B", A=A, B=B2)) == "I 3" + + +def test_abs(): + assert pixel(ImageMath.eval("abs(A)", A=A)) == "I 1" + assert pixel(ImageMath.eval("abs(B)", B=B)) == "I 2" + + +def test_binary_mod(): + assert pixel(ImageMath.eval("A%A", A=A)) == "I 0" + assert pixel(ImageMath.eval("B%B", B=B)) == "I 0" + assert pixel(ImageMath.eval("A%B", A=A, B=B)) == "I 1" + assert pixel(ImageMath.eval("B%A", A=A, B=B)) == "I 0" + assert pixel(ImageMath.eval("Z%A", A=A, Z=Z)) == "I 0" + assert pixel(ImageMath.eval("Z%B", B=B, Z=Z)) == "I 0" + + +def test_bitwise_invert(): + assert pixel(ImageMath.eval("~Z", Z=Z)) == "I -1" + assert pixel(ImageMath.eval("~A", A=A)) == "I -2" + assert pixel(ImageMath.eval("~B", B=B)) == "I -3" + + +def test_bitwise_and(): + assert pixel(ImageMath.eval("Z&Z", A=A, Z=Z)) == "I 0" + assert pixel(ImageMath.eval("Z&A", A=A, Z=Z)) == "I 0" + assert pixel(ImageMath.eval("A&Z", A=A, Z=Z)) == "I 0" + assert pixel(ImageMath.eval("A&A", A=A, Z=Z)) == "I 1" + + +def test_bitwise_or(): + assert pixel(ImageMath.eval("Z|Z", A=A, Z=Z)) == "I 0" + assert pixel(ImageMath.eval("Z|A", A=A, Z=Z)) == "I 1" + assert pixel(ImageMath.eval("A|Z", A=A, Z=Z)) == "I 1" + assert pixel(ImageMath.eval("A|A", A=A, Z=Z)) == "I 1" + + +def test_bitwise_xor(): + assert pixel(ImageMath.eval("Z^Z", A=A, Z=Z)) == "I 0" + assert pixel(ImageMath.eval("Z^A", A=A, Z=Z)) == "I 1" + assert pixel(ImageMath.eval("A^Z", A=A, Z=Z)) == "I 1" + assert pixel(ImageMath.eval("A^A", A=A, Z=Z)) == "I 0" + + +def test_bitwise_leftshift(): + assert pixel(ImageMath.eval("Z<<0", Z=Z)) == "I 0" + assert pixel(ImageMath.eval("Z<<1", Z=Z)) == "I 0" + assert pixel(ImageMath.eval("A<<0", A=A)) == "I 1" + assert pixel(ImageMath.eval("A<<1", A=A)) == "I 2" + + +def test_bitwise_rightshift(): + assert pixel(ImageMath.eval("Z>>0", Z=Z)) == "I 0" + assert pixel(ImageMath.eval("Z>>1", Z=Z)) == "I 0" + assert pixel(ImageMath.eval("A>>0", A=A)) == "I 1" + assert pixel(ImageMath.eval("A>>1", A=A)) == "I 0" + + +def test_logical_eq(): + assert pixel(ImageMath.eval("A==A", A=A)) == "I 1" + assert pixel(ImageMath.eval("B==B", B=B)) == "I 1" + assert pixel(ImageMath.eval("A==B", A=A, B=B)) == "I 0" + assert pixel(ImageMath.eval("B==A", A=A, B=B)) == "I 0" + + +def test_logical_ne(): + assert pixel(ImageMath.eval("A!=A", A=A)) == "I 0" + assert pixel(ImageMath.eval("B!=B", B=B)) == "I 0" + assert pixel(ImageMath.eval("A!=B", A=A, B=B)) == "I 1" + assert pixel(ImageMath.eval("B!=A", A=A, B=B)) == "I 1" + + +def test_logical_lt(): + assert pixel(ImageMath.eval("AA", A=A)) == "I 0" + assert pixel(ImageMath.eval("B>B", B=B)) == "I 0" + assert pixel(ImageMath.eval("A>B", A=A, B=B)) == "I 0" + assert pixel(ImageMath.eval("B>A", A=A, B=B)) == "I 1" + + +def test_logical_ge(): + assert pixel(ImageMath.eval("A>=A", A=A)) == "I 1" + assert pixel(ImageMath.eval("B>=B", B=B)) == "I 1" + assert pixel(ImageMath.eval("A>=B", A=A, B=B)) == "I 0" + assert pixel(ImageMath.eval("B>=A", A=A, B=B)) == "I 1" + + +def test_logical_equal(): + assert pixel(ImageMath.eval("equal(A, A)", A=A)) == "I 1" + assert pixel(ImageMath.eval("equal(B, B)", B=B)) == "I 1" + assert pixel(ImageMath.eval("equal(Z, Z)", Z=Z)) == "I 1" + assert pixel(ImageMath.eval("equal(A, B)", A=A, B=B)) == "I 0" + assert pixel(ImageMath.eval("equal(B, A)", A=A, B=B)) == "I 0" + assert pixel(ImageMath.eval("equal(A, Z)", A=A, Z=Z)) == "I 0" + + +def test_logical_not_equal(): + assert pixel(ImageMath.eval("notequal(A, A)", A=A)) == "I 0" + assert pixel(ImageMath.eval("notequal(B, B)", B=B)) == "I 0" + assert pixel(ImageMath.eval("notequal(Z, Z)", Z=Z)) == "I 0" + assert pixel(ImageMath.eval("notequal(A, B)", A=A, B=B)) == "I 1" + assert pixel(ImageMath.eval("notequal(B, A)", A=A, B=B)) == "I 1" + assert pixel(ImageMath.eval("notequal(A, Z)", A=A, Z=Z)) == "I 1" diff --git a/Tests/test_imagemorph.py b/Tests/test_imagemorph.py index 22372b78ddf..368c2bba140 100644 --- a/Tests/test_imagemorph.py +++ b/Tests/test_imagemorph.py @@ -1,181 +1,341 @@ # Test the ImageMorphology functionality -from helper import unittest, PillowTestCase, hopper - -from PIL import Image -from PIL import ImageMorph - - -class MorphTests(PillowTestCase): - - def setUp(self): - self.A = self.string_to_img( - """ - ....... - ....... - ..111.. - ..111.. - ..111.. - ....... - ....... - """ - ) - - def img_to_string(self, im): - """Turn a (small) binary image into a string representation""" - chars = '.1' - width, height = im.size - return '\n'.join( - [''.join([chars[im.getpixel((c, r)) > 0] for c in range(width)]) - for r in range(height)]) - - def string_to_img(self, image_string): - """Turn a string image representation into a binary image""" - rows = [s for s in image_string.replace(' ', '').split('\n') - if len(s)] - height = len(rows) - width = len(rows[0]) - im = Image.new('L', (width, height)) - for i in range(width): - for j in range(height): - c = rows[j][i] - v = c in 'X1' - im.putpixel((i, j), v) - - return im - - def img_string_normalize(self, im): - return self.img_to_string(self.string_to_img(im)) - - def assert_img_equal(self, A, B): - self.assertEqual(self.img_to_string(A), self.img_to_string(B)) - - def assert_img_equal_img_string(self, A, Bstring): - self.assertEqual( - self.img_to_string(A), - self.img_string_normalize(Bstring)) - - def test_str_to_img(self): - im = Image.open('Tests/images/morph_a.png') - self.assert_image_equal(self.A, im) - - def create_lut(self): - for op in ( - 'corner', 'dilation4', 'dilation8', - 'erosion4', 'erosion8', 'edge'): - lb = ImageMorph.LutBuilder(op_name=op) - lut = lb.build_lut() - with open('Tests/images/%s.lut' % op, 'wb') as f: - f.write(lut) - - # create_lut() - def test_lut(self): - for op in ( - 'corner', 'dilation4', 'dilation8', - 'erosion4', 'erosion8', 'edge'): - lb = ImageMorph.LutBuilder(op_name=op) - lut = lb.build_lut() - with open('Tests/images/%s.lut' % op, 'rb') as f: - self.assertEqual(lut, bytearray(f.read())) - - # Test the named patterns - def test_erosion8(self): - # erosion8 - mop = ImageMorph.MorphOp(op_name='erosion8') - count, Aout = mop.apply(self.A) - self.assertEqual(count, 8) - self.assert_img_equal_img_string(Aout, - """ - ....... - ....... - ....... - ...1... - ....... - ....... - ....... - """) - - def test_dialation8(self): - # dialation8 - mop = ImageMorph.MorphOp(op_name='dilation8') - count, Aout = mop.apply(self.A) - self.assertEqual(count, 16) - self.assert_img_equal_img_string(Aout, - """ - ....... - .11111. - .11111. - .11111. - .11111. - .11111. - ....... - """) - - def test_erosion4(self): - # erosion4 - mop = ImageMorph.MorphOp(op_name='dilation4') - count, Aout = mop.apply(self.A) - self.assertEqual(count, 12) - self.assert_img_equal_img_string(Aout, - """ - ....... - ..111.. - .11111. - .11111. - .11111. - ..111.. - ....... - """) - - def test_edge(self): - # edge - mop = ImageMorph.MorphOp(op_name='edge') - count, Aout = mop.apply(self.A) - self.assertEqual(count, 1) - self.assert_img_equal_img_string(Aout, - """ - ....... - ....... - ..111.. - ..1.1.. - ..111.. - ....... - ....... - """) - - def test_corner(self): - # Create a corner detector pattern - mop = ImageMorph.MorphOp(patterns=['1:(... ... ...)->0', - '4:(00. 01. ...)->1']) - count, Aout = mop.apply(self.A) - self.assertEqual(count, 5) - self.assert_img_equal_img_string(Aout, - """ - ....... - ....... - ..1.1.. - ....... - ..1.1.. - ....... - ....... - """) - - # Test the coordinate counting with the same operator - coords = mop.match(self.A) - self.assertEqual(len(coords), 4) - self.assertEqual(tuple(coords), ((2, 2), (4, 2), (2, 4), (4, 4))) - - coords = mop.get_on_pixels(Aout) - self.assertEqual(len(coords), 4) - self.assertEqual(tuple(coords), ((2, 2), (4, 2), (2, 4), (4, 4))) - - def test_non_binary_images(self): - im = hopper('RGB') - mop = ImageMorph.MorphOp(op_name="erosion8") - - self.assertRaises(Exception, lambda: mop.apply(im)) - self.assertRaises(Exception, lambda: mop.match(im)) - self.assertRaises(Exception, lambda: mop.get_on_pixels(im)) - - -if __name__ == '__main__': - unittest.main() +import pytest + +from PIL import Image, ImageMorph, _imagingmorph + +from .helper import assert_image_equal_tofile, hopper + + +def string_to_img(image_string): + """Turn a string image representation into a binary image""" + rows = [s for s in image_string.replace(" ", "").split("\n") if len(s)] + height = len(rows) + width = len(rows[0]) + im = Image.new("L", (width, height)) + for i in range(width): + for j in range(height): + c = rows[j][i] + v = c in "X1" + im.putpixel((i, j), v) + + return im + + +A = string_to_img( + """ + ....... + ....... + ..111.. + ..111.. + ..111.. + ....... + ....... + """ +) + + +def img_to_string(im): + """Turn a (small) binary image into a string representation""" + chars = ".1" + width, height = im.size + return "\n".join( + "".join(chars[im.getpixel((c, r)) > 0] for c in range(width)) + for r in range(height) + ) + + +def img_string_normalize(im): + return img_to_string(string_to_img(im)) + + +def assert_img_equal(A, B): + assert img_to_string(A) == img_to_string(B) + + +def assert_img_equal_img_string(A, Bstring): + assert img_to_string(A) == img_string_normalize(Bstring) + + +def test_str_to_img(): + assert_image_equal_tofile(A, "Tests/images/morph_a.png") + + +def create_lut(): + for op in ("corner", "dilation4", "dilation8", "erosion4", "erosion8", "edge"): + lb = ImageMorph.LutBuilder(op_name=op) + lut = lb.build_lut() + with open(f"Tests/images/{op}.lut", "wb") as f: + f.write(lut) + + +# create_lut() +def test_lut(): + for op in ("corner", "dilation4", "dilation8", "erosion4", "erosion8", "edge"): + lb = ImageMorph.LutBuilder(op_name=op) + assert lb.get_lut() is None + + lut = lb.build_lut() + with open(f"Tests/images/{op}.lut", "rb") as f: + assert lut == bytearray(f.read()) + + +def test_no_operator_loaded(): + mop = ImageMorph.MorphOp() + with pytest.raises(Exception) as e: + mop.apply(None) + assert str(e.value) == "No operator loaded" + with pytest.raises(Exception) as e: + mop.match(None) + assert str(e.value) == "No operator loaded" + with pytest.raises(Exception) as e: + mop.save_lut(None) + assert str(e.value) == "No operator loaded" + + +# Test the named patterns +def test_erosion8(): + # erosion8 + mop = ImageMorph.MorphOp(op_name="erosion8") + count, Aout = mop.apply(A) + assert count == 8 + assert_img_equal_img_string( + Aout, + """ + ....... + ....... + ....... + ...1... + ....... + ....... + ....... + """, + ) + + +def test_dialation8(): + # dialation8 + mop = ImageMorph.MorphOp(op_name="dilation8") + count, Aout = mop.apply(A) + assert count == 16 + assert_img_equal_img_string( + Aout, + """ + ....... + .11111. + .11111. + .11111. + .11111. + .11111. + ....... + """, + ) + + +def test_erosion4(): + # erosion4 + mop = ImageMorph.MorphOp(op_name="dilation4") + count, Aout = mop.apply(A) + assert count == 12 + assert_img_equal_img_string( + Aout, + """ + ....... + ..111.. + .11111. + .11111. + .11111. + ..111.. + ....... + """, + ) + + +def test_edge(): + # edge + mop = ImageMorph.MorphOp(op_name="edge") + count, Aout = mop.apply(A) + assert count == 1 + assert_img_equal_img_string( + Aout, + """ + ....... + ....... + ..111.. + ..1.1.. + ..111.. + ....... + ....... + """, + ) + + +def test_corner(): + # Create a corner detector pattern + mop = ImageMorph.MorphOp(patterns=["1:(... ... ...)->0", "4:(00. 01. ...)->1"]) + count, Aout = mop.apply(A) + assert count == 5 + assert_img_equal_img_string( + Aout, + """ + ....... + ....... + ..1.1.. + ....... + ..1.1.. + ....... + ....... + """, + ) + + # Test the coordinate counting with the same operator + coords = mop.match(A) + assert len(coords) == 4 + assert tuple(coords) == ((2, 2), (4, 2), (2, 4), (4, 4)) + + coords = mop.get_on_pixels(Aout) + assert len(coords) == 4 + assert tuple(coords) == ((2, 2), (4, 2), (2, 4), (4, 4)) + + +def test_mirroring(): + # Test 'M' for mirroring + mop = ImageMorph.MorphOp(patterns=["1:(... ... ...)->0", "M:(00. 01. ...)->1"]) + count, Aout = mop.apply(A) + assert count == 7 + assert_img_equal_img_string( + Aout, + """ + ....... + ....... + ..1.1.. + ....... + ....... + ....... + ....... + """, + ) + + +def test_negate(): + # Test 'N' for negate + mop = ImageMorph.MorphOp(patterns=["1:(... ... ...)->0", "N:(00. 01. ...)->1"]) + count, Aout = mop.apply(A) + assert count == 8 + assert_img_equal_img_string( + Aout, + """ + ....... + ....... + ..1.... + ....... + ....... + ....... + ....... + """, + ) + + +def test_incorrect_mode(): + im = hopper("RGB") + mop = ImageMorph.MorphOp(op_name="erosion8") + + with pytest.raises(ValueError) as e: + mop.apply(im) + assert str(e.value) == "Image mode must be L" + with pytest.raises(ValueError) as e: + mop.match(im) + assert str(e.value) == "Image mode must be L" + with pytest.raises(ValueError) as e: + mop.get_on_pixels(im) + assert str(e.value) == "Image mode must be L" + + +def test_add_patterns(): + # Arrange + lb = ImageMorph.LutBuilder(op_name="corner") + assert lb.patterns == ["1:(... ... ...)->0", "4:(00. 01. ...)->1"] + new_patterns = ["M:(00. 01. ...)->1", "N:(00. 01. ...)->1"] + + # Act + lb.add_patterns(new_patterns) + + # Assert + assert lb.patterns == [ + "1:(... ... ...)->0", + "4:(00. 01. ...)->1", + "M:(00. 01. ...)->1", + "N:(00. 01. ...)->1", + ] + + +def test_unknown_pattern(): + with pytest.raises(Exception): + ImageMorph.LutBuilder(op_name="unknown") + + +def test_pattern_syntax_error(): + # Arrange + lb = ImageMorph.LutBuilder(op_name="corner") + new_patterns = ["a pattern with a syntax error"] + lb.add_patterns(new_patterns) + + # Act / Assert + with pytest.raises(Exception) as e: + lb.build_lut() + assert str(e.value) == 'Syntax error in pattern "a pattern with a syntax error"' + + +def test_load_invalid_mrl(): + # Arrange + invalid_mrl = "Tests/images/hopper.png" + mop = ImageMorph.MorphOp() + + # Act / Assert + with pytest.raises(Exception) as e: + mop.load_lut(invalid_mrl) + assert str(e.value) == "Wrong size operator file!" + + +def test_roundtrip_mrl(tmp_path): + # Arrange + tempfile = str(tmp_path / "temp.mrl") + mop = ImageMorph.MorphOp(op_name="corner") + initial_lut = mop.lut + + # Act + mop.save_lut(tempfile) + mop.load_lut(tempfile) + + # Act / Assert + assert mop.lut == initial_lut + + +def test_set_lut(): + # Arrange + lb = ImageMorph.LutBuilder(op_name="corner") + lut = lb.build_lut() + mop = ImageMorph.MorphOp() + + # Act + mop.set_lut(lut) + + # Assert + assert mop.lut == lut + + +def test_wrong_mode(): + lut = ImageMorph.LutBuilder(op_name="corner").build_lut() + imrgb = Image.new("RGB", (10, 10)) + iml = Image.new("L", (10, 10)) + + with pytest.raises(RuntimeError): + _imagingmorph.apply(bytes(lut), imrgb.im.id, iml.im.id) + + with pytest.raises(RuntimeError): + _imagingmorph.apply(bytes(lut), iml.im.id, imrgb.im.id) + + with pytest.raises(RuntimeError): + _imagingmorph.match(bytes(lut), imrgb.im.id) + + # Should not raise + _imagingmorph.match(bytes(lut), iml.im.id) diff --git a/Tests/test_imageops.py b/Tests/test_imageops.py index 11cf3619d3e..6aa1cf35edf 100644 --- a/Tests/test_imageops.py +++ b/Tests/test_imageops.py @@ -1,99 +1,474 @@ -from helper import unittest, PillowTestCase, hopper +import pytest -from PIL import ImageOps +from PIL import Image, ImageDraw, ImageOps, ImageStat, features +from .helper import ( + assert_image_equal, + assert_image_similar, + assert_image_similar_tofile, + assert_tuple_approx_equal, + hopper, +) -class TestImageOps(PillowTestCase): - class Deformer(object): - def getmesh(self, im): - x, y = im.size - return [((0, 0, x, y), (0, 0, x, 0, x, y, y, 0))] +class Deformer: + def getmesh(self, im): + x, y = im.size + return [((0, 0, x, y), (0, 0, x, 0, x, y, y, 0))] - deformer = Deformer() - def test_sanity(self): +deformer = Deformer() - ImageOps.autocontrast(hopper("L")) - ImageOps.autocontrast(hopper("RGB")) - ImageOps.autocontrast(hopper("L"), cutoff=10) - ImageOps.autocontrast(hopper("L"), ignore=[0, 255]) +def test_sanity(): - ImageOps.colorize(hopper("L"), (0, 0, 0), (255, 255, 255)) - ImageOps.colorize(hopper("L"), "black", "white") + ImageOps.autocontrast(hopper("L")) + ImageOps.autocontrast(hopper("RGB")) - ImageOps.crop(hopper("L"), 1) - ImageOps.crop(hopper("RGB"), 1) + ImageOps.autocontrast(hopper("L"), cutoff=10) + ImageOps.autocontrast(hopper("L"), cutoff=(2, 10)) + ImageOps.autocontrast(hopper("L"), ignore=[0, 255]) + ImageOps.autocontrast(hopper("L"), mask=hopper("L")) + ImageOps.autocontrast(hopper("L"), preserve_tone=True) - ImageOps.deform(hopper("L"), self.deformer) - ImageOps.deform(hopper("RGB"), self.deformer) + ImageOps.colorize(hopper("L"), (0, 0, 0), (255, 255, 255)) + ImageOps.colorize(hopper("L"), "black", "white") - ImageOps.equalize(hopper("L")) - ImageOps.equalize(hopper("RGB")) + ImageOps.pad(hopper("L"), (128, 128)) + ImageOps.pad(hopper("RGB"), (128, 128)) - ImageOps.expand(hopper("L"), 1) - ImageOps.expand(hopper("RGB"), 1) - ImageOps.expand(hopper("L"), 2, "blue") - ImageOps.expand(hopper("RGB"), 2, "blue") + ImageOps.contain(hopper("L"), (128, 128)) + ImageOps.contain(hopper("RGB"), (128, 128)) - ImageOps.fit(hopper("L"), (128, 128)) - ImageOps.fit(hopper("RGB"), (128, 128)) + ImageOps.crop(hopper("L"), 1) + ImageOps.crop(hopper("RGB"), 1) - ImageOps.flip(hopper("L")) - ImageOps.flip(hopper("RGB")) + ImageOps.deform(hopper("L"), deformer) + ImageOps.deform(hopper("RGB"), deformer) - ImageOps.grayscale(hopper("L")) - ImageOps.grayscale(hopper("RGB")) + ImageOps.equalize(hopper("L")) + ImageOps.equalize(hopper("RGB")) - ImageOps.invert(hopper("L")) - ImageOps.invert(hopper("RGB")) + ImageOps.expand(hopper("L"), 1) + ImageOps.expand(hopper("RGB"), 1) + ImageOps.expand(hopper("L"), 2, "blue") + ImageOps.expand(hopper("RGB"), 2, "blue") - ImageOps.mirror(hopper("L")) - ImageOps.mirror(hopper("RGB")) + ImageOps.fit(hopper("L"), (128, 128)) + ImageOps.fit(hopper("RGB"), (128, 128)) - ImageOps.posterize(hopper("L"), 4) - ImageOps.posterize(hopper("RGB"), 4) + ImageOps.flip(hopper("L")) + ImageOps.flip(hopper("RGB")) - ImageOps.solarize(hopper("L")) - ImageOps.solarize(hopper("RGB")) + ImageOps.grayscale(hopper("L")) + ImageOps.grayscale(hopper("RGB")) - def test_1pxfit(self): - # Division by zero in equalize if image is 1 pixel high - newimg = ImageOps.fit(hopper("RGB").resize((1, 1)), (35, 35)) - self.assertEqual(newimg.size, (35, 35)) + ImageOps.invert(hopper("L")) + ImageOps.invert(hopper("RGB")) - newimg = ImageOps.fit(hopper("RGB").resize((1, 100)), (35, 35)) - self.assertEqual(newimg.size, (35, 35)) + ImageOps.mirror(hopper("L")) + ImageOps.mirror(hopper("RGB")) - newimg = ImageOps.fit(hopper("RGB").resize((100, 1)), (35, 35)) - self.assertEqual(newimg.size, (35, 35)) + ImageOps.posterize(hopper("L"), 4) + ImageOps.posterize(hopper("RGB"), 4) - def test_pil163(self): - # Division by zero in equalize if < 255 pixels in image (@PIL163) + ImageOps.solarize(hopper("L")) + ImageOps.solarize(hopper("RGB")) - i = hopper("RGB").resize((15, 16)) + ImageOps.exif_transpose(hopper("L")) + ImageOps.exif_transpose(hopper("RGB")) - ImageOps.equalize(i.convert("L")) - ImageOps.equalize(i.convert("P")) - ImageOps.equalize(i.convert("RGB")) - def test_scale(self): - # Test the scaling function - i = hopper("L").resize((50, 50)) +def test_1pxfit(): + # Division by zero in equalize if image is 1 pixel high + newimg = ImageOps.fit(hopper("RGB").resize((1, 1)), (35, 35)) + assert newimg.size == (35, 35) - with self.assertRaises(ValueError): - ImageOps.scale(i, -1) + newimg = ImageOps.fit(hopper("RGB").resize((1, 100)), (35, 35)) + assert newimg.size == (35, 35) - newimg = ImageOps.scale(i, 1) - self.assertEqual(newimg.size, (50, 50)) + newimg = ImageOps.fit(hopper("RGB").resize((100, 1)), (35, 35)) + assert newimg.size == (35, 35) - newimg = ImageOps.scale(i, 2) - self.assertEqual(newimg.size, (100, 100)) - newimg = ImageOps.scale(i, 0.5) - self.assertEqual(newimg.size, (25, 25)) +def test_fit_same_ratio(): + # The ratio for this image is 1000.0 / 755 = 1.3245033112582782 + # If the ratios are not acknowledged to be the same, + # and Pillow attempts to adjust the width to + # 1.3245033112582782 * 755 = 1000.0000000000001 + # then centering this greater width causes a negative x offset when cropping + with Image.new("RGB", (1000, 755)) as im: + new_im = ImageOps.fit(im, (1000, 755)) + assert new_im.size == (1000, 755) -if __name__ == '__main__': - unittest.main() +@pytest.mark.parametrize("new_size", ((256, 256), (512, 256), (256, 512))) +def test_contain(new_size): + im = hopper() + new_im = ImageOps.contain(im, new_size) + assert new_im.size == (256, 256) + + +def test_pad(): + # Same ratio + im = hopper() + new_size = (im.width * 2, im.height * 2) + new_im = ImageOps.pad(im, new_size) + assert new_im.size == new_size + + for label, color, new_size in [ + ("h", None, (im.width * 4, im.height * 2)), + ("v", "#f00", (im.width * 2, im.height * 4)), + ]: + for i, centering in enumerate([(0, 0), (0.5, 0.5), (1, 1)]): + new_im = ImageOps.pad(im, new_size, color=color, centering=centering) + assert new_im.size == new_size + + assert_image_similar_tofile( + new_im, "Tests/images/imageops_pad_" + label + "_" + str(i) + ".jpg", 6 + ) + + +def test_pil163(): + # Division by zero in equalize if < 255 pixels in image (@PIL163) + + i = hopper("RGB").resize((15, 16)) + + ImageOps.equalize(i.convert("L")) + ImageOps.equalize(i.convert("P")) + ImageOps.equalize(i.convert("RGB")) + + +def test_scale(): + # Test the scaling function + i = hopper("L").resize((50, 50)) + + with pytest.raises(ValueError): + ImageOps.scale(i, -1) + + newimg = ImageOps.scale(i, 1) + assert newimg.size == (50, 50) + + newimg = ImageOps.scale(i, 2) + assert newimg.size == (100, 100) + + newimg = ImageOps.scale(i, 0.5) + assert newimg.size == (25, 25) + + +@pytest.mark.parametrize("border", (10, (1, 2, 3, 4))) +def test_expand_palette(border): + with Image.open("Tests/images/p_16.tga") as im: + im_expanded = ImageOps.expand(im, border, (255, 0, 0)) + + if isinstance(border, int): + left = top = right = bottom = border + else: + left, top, right, bottom = border + px = im_expanded.convert("RGB").load() + for x in range(im_expanded.width): + for b in range(top): + assert px[x, b] == (255, 0, 0) + for b in range(bottom): + assert px[x, im_expanded.height - 1 - b] == (255, 0, 0) + for y in range(im_expanded.height): + for b in range(left): + assert px[b, y] == (255, 0, 0) + for b in range(right): + assert px[im_expanded.width - 1 - b, y] == (255, 0, 0) + + im_cropped = im_expanded.crop( + (left, top, im_expanded.width - right, im_expanded.height - bottom) + ) + assert_image_equal(im_cropped, im) + + +def test_colorize_2color(): + # Test the colorizing function with 2-color functionality + + # Open test image (256px by 10px, black to white) + with Image.open("Tests/images/bw_gradient.png") as im: + im = im.convert("L") + + # Create image with original 2-color functionality + im_test = ImageOps.colorize(im, "red", "green") + + # Test output image (2-color) + left = (0, 1) + middle = (127, 1) + right = (255, 1) + assert_tuple_approx_equal( + im_test.getpixel(left), + (255, 0, 0), + threshold=1, + msg="black test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(middle), + (127, 63, 0), + threshold=1, + msg="mid test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(right), + (0, 127, 0), + threshold=1, + msg="white test pixel incorrect", + ) + + +def test_colorize_2color_offset(): + # Test the colorizing function with 2-color functionality and offset + + # Open test image (256px by 10px, black to white) + with Image.open("Tests/images/bw_gradient.png") as im: + im = im.convert("L") + + # Create image with original 2-color functionality with offsets + im_test = ImageOps.colorize( + im, black="red", white="green", blackpoint=50, whitepoint=100 + ) + + # Test output image (2-color) with offsets + left = (25, 1) + middle = (75, 1) + right = (125, 1) + assert_tuple_approx_equal( + im_test.getpixel(left), + (255, 0, 0), + threshold=1, + msg="black test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(middle), + (127, 63, 0), + threshold=1, + msg="mid test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(right), + (0, 127, 0), + threshold=1, + msg="white test pixel incorrect", + ) + + +def test_colorize_3color_offset(): + # Test the colorizing function with 3-color functionality and offset + + # Open test image (256px by 10px, black to white) + with Image.open("Tests/images/bw_gradient.png") as im: + im = im.convert("L") + + # Create image with new three color functionality with offsets + im_test = ImageOps.colorize( + im, + black="red", + white="green", + mid="blue", + blackpoint=50, + whitepoint=200, + midpoint=100, + ) + + # Test output image (3-color) with offsets + left = (25, 1) + left_middle = (75, 1) + middle = (100, 1) + right_middle = (150, 1) + right = (225, 1) + assert_tuple_approx_equal( + im_test.getpixel(left), + (255, 0, 0), + threshold=1, + msg="black test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(left_middle), + (127, 0, 127), + threshold=1, + msg="low-mid test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(middle), (0, 0, 255), threshold=1, msg="mid incorrect" + ) + assert_tuple_approx_equal( + im_test.getpixel(right_middle), + (0, 63, 127), + threshold=1, + msg="high-mid test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(right), + (0, 127, 0), + threshold=1, + msg="white test pixel incorrect", + ) + + +def test_exif_transpose(): + exts = [".jpg"] + if features.check("webp") and features.check("webp_anim"): + exts.append(".webp") + for ext in exts: + with Image.open("Tests/images/hopper" + ext) as base_im: + + def check(orientation_im): + for im in [ + orientation_im, + orientation_im.copy(), + ]: # ImageFile # Image + if orientation_im is base_im: + assert "exif" not in im.info + else: + original_exif = im.info["exif"] + transposed_im = ImageOps.exif_transpose(im) + assert_image_similar(base_im, transposed_im, 17) + if orientation_im is base_im: + assert "exif" not in im.info + else: + assert transposed_im.info["exif"] != original_exif + + assert 0x0112 in im.getexif() + assert 0x0112 not in transposed_im.getexif() + + # Repeat the operation to test that it does not keep transposing + transposed_im2 = ImageOps.exif_transpose(transposed_im) + assert_image_equal(transposed_im2, transposed_im) + + check(base_im) + for i in range(2, 9): + with Image.open( + "Tests/images/hopper_orientation_" + str(i) + ext + ) as orientation_im: + check(orientation_im) + + # Orientation from "XML:com.adobe.xmp" info key + with Image.open("Tests/images/xmp_tags_orientation.png") as im: + assert im.getexif()[0x0112] == 3 + + transposed_im = ImageOps.exif_transpose(im) + assert 0x0112 not in transposed_im.getexif() + + # Orientation from "Raw profile type exif" info key + # This test image has been manually hexedited from exif_imagemagick.png + # to have a different orientation + with Image.open("Tests/images/exif_imagemagick_orientation.png") as im: + assert im.getexif()[0x0112] == 3 + + transposed_im = ImageOps.exif_transpose(im) + assert 0x0112 not in transposed_im.getexif() + + # Orientation set directly on Image.Exif + im = hopper() + im.getexif()[0x0112] = 3 + transposed_im = ImageOps.exif_transpose(im) + assert 0x0112 not in transposed_im.getexif() + + +def test_autocontrast_cutoff(): + # Test the cutoff argument of autocontrast + with Image.open("Tests/images/bw_gradient.png") as img: + + def autocontrast(cutoff): + return ImageOps.autocontrast(img, cutoff).histogram() + + assert autocontrast(10) == autocontrast((10, 10)) + assert autocontrast(10) != autocontrast((1, 10)) + + +def test_autocontrast_mask_toy_input(): + # Test the mask argument of autocontrast + with Image.open("Tests/images/bw_gradient.png") as img: + + rect_mask = Image.new("L", img.size, 0) + draw = ImageDraw.Draw(rect_mask) + x0 = img.size[0] // 4 + y0 = img.size[1] // 4 + x1 = 3 * img.size[0] // 4 + y1 = 3 * img.size[1] // 4 + draw.rectangle((x0, y0, x1, y1), fill=255) + + result = ImageOps.autocontrast(img, mask=rect_mask) + result_nomask = ImageOps.autocontrast(img) + + assert result != result_nomask + assert ImageStat.Stat(result, mask=rect_mask).median == [127] + assert ImageStat.Stat(result_nomask).median == [128] + + +def test_autocontrast_mask_real_input(): + # Test the autocontrast with a rectangular mask + with Image.open("Tests/images/iptc.jpg") as img: + + rect_mask = Image.new("L", img.size, 0) + draw = ImageDraw.Draw(rect_mask) + x0, y0 = img.size[0] // 2, img.size[1] // 2 + x1, y1 = img.size[0] - 40, img.size[1] + draw.rectangle((x0, y0, x1, y1), fill=255) + + result = ImageOps.autocontrast(img, mask=rect_mask) + result_nomask = ImageOps.autocontrast(img) + + assert result_nomask != result + assert_tuple_approx_equal( + ImageStat.Stat(result, mask=rect_mask).median, + [195, 202, 184], + threshold=2, + msg="autocontrast with mask pixel incorrect", + ) + assert_tuple_approx_equal( + ImageStat.Stat(result_nomask).median, + [119, 106, 79], + threshold=2, + msg="autocontrast without mask pixel incorrect", + ) + + +def test_autocontrast_preserve_tone(): + def autocontrast(mode, preserve_tone): + im = hopper(mode) + return ImageOps.autocontrast(im, preserve_tone=preserve_tone).histogram() + + assert autocontrast("RGB", True) != autocontrast("RGB", False) + assert autocontrast("L", True) == autocontrast("L", False) + + +def test_autocontrast_preserve_gradient(): + gradient = Image.linear_gradient("L") + + # test with a grayscale gradient that extends to 0,255. + # Should be a noop. + out = ImageOps.autocontrast(gradient, cutoff=0, preserve_tone=True) + + assert_image_equal(gradient, out) + + # cutoff the top and bottom + # autocontrast should make the first and last histogram entries equal + # and, with rounding, should be 10% of the image pixels + out = ImageOps.autocontrast(gradient, cutoff=10, preserve_tone=True) + hist = out.histogram() + assert hist[0] == hist[-1] + assert hist[-1] == 256 * round(256 * 0.10) + + # in rgb + img = gradient.convert("RGB") + out = ImageOps.autocontrast(img, cutoff=0, preserve_tone=True) + assert_image_equal(img, out) + + +@pytest.mark.parametrize( + "color", ((255, 255, 255), (127, 255, 0), (127, 127, 127), (0, 0, 0)) +) +def test_autocontrast_preserve_one_color(color): + img = Image.new("RGB", (10, 10), color) + + # single color images shouldn't change + out = ImageOps.autocontrast(img, cutoff=0, preserve_tone=True) + assert_image_equal(img, out) # single color, no cutoff + + # even if there is a cutoff + out = ImageOps.autocontrast( + img, cutoff=10, preserve_tone=True + ) # single color 10 cutoff + assert_image_equal(img, out) diff --git a/Tests/test_imageops_usm.py b/Tests/test_imageops_usm.py index 358beb6b423..8837ed2a262 100644 --- a/Tests/test_imageops_usm.py +++ b/Tests/test_imageops_usm.py @@ -1,91 +1,111 @@ -from helper import unittest, PillowTestCase - -from PIL import Image -from PIL import ImageOps -from PIL import ImageFilter - -im = Image.open("Tests/images/hopper.ppm") -snakes = Image.open("Tests/images/color_snakes.png") - - -class TestImageOpsUsm(PillowTestCase): - - def test_ops_api(self): - - i = ImageOps.gaussian_blur(im, 2.0) - self.assertEqual(i.mode, "RGB") - self.assertEqual(i.size, (128, 128)) - # i.save("blur.bmp") - - i = ImageOps.unsharp_mask(im, 2.0, 125, 8) - self.assertEqual(i.mode, "RGB") - self.assertEqual(i.size, (128, 128)) - # i.save("usm.bmp") - - def test_filter_api(self): - - test_filter = ImageFilter.GaussianBlur(2.0) - i = im.filter(test_filter) - self.assertEqual(i.mode, "RGB") - self.assertEqual(i.size, (128, 128)) - - test_filter = ImageFilter.UnsharpMask(2.0, 125, 8) - i = im.filter(test_filter) - self.assertEqual(i.mode, "RGB") - self.assertEqual(i.size, (128, 128)) - - def test_usm_formats(self): - - usm = ImageOps.unsharp_mask - self.assertRaises(ValueError, lambda: usm(im.convert("1"))) - usm(im.convert("L")) - self.assertRaises(ValueError, lambda: usm(im.convert("I"))) - self.assertRaises(ValueError, lambda: usm(im.convert("F"))) - usm(im.convert("RGB")) - usm(im.convert("RGBA")) - usm(im.convert("CMYK")) - self.assertRaises(ValueError, lambda: usm(im.convert("YCbCr"))) - - def test_blur_formats(self): - - blur = ImageOps.gaussian_blur - self.assertRaises(ValueError, lambda: blur(im.convert("1"))) - blur(im.convert("L")) - self.assertRaises(ValueError, lambda: blur(im.convert("I"))) - self.assertRaises(ValueError, lambda: blur(im.convert("F"))) - blur(im.convert("RGB")) - blur(im.convert("RGBA")) - blur(im.convert("CMYK")) - self.assertRaises(ValueError, lambda: blur(im.convert("YCbCr"))) - - def test_usm_accuracy(self): - - src = snakes.convert('RGB') - i = src._new(ImageOps.unsharp_mask(src, 5, 1024, 0)) - # Image should not be changed because it have only 0 and 255 levels. - self.assertEqual(i.tobytes(), src.tobytes()) - - def test_blur_accuracy(self): - - i = snakes._new(ImageOps.gaussian_blur(snakes, .4)) - # These pixels surrounded with pixels with 255 intensity. - # They must be very close to 255. - for x, y, c in [(1, 0, 1), (2, 0, 1), (7, 8, 1), (8, 8, 1), (2, 9, 1), - (7, 3, 0), (8, 3, 0), (5, 8, 0), (5, 9, 0), (1, 3, 0), - (4, 3, 2), (4, 2, 2)]: - self.assertGreaterEqual(i.im.getpixel((x, y))[c], 250) - # Fuzzy match. - - def gp(x, y): - return i.im.getpixel((x, y)) - self.assertTrue(236 <= gp(7, 4)[0] <= 239) - self.assertTrue(236 <= gp(7, 5)[2] <= 239) - self.assertTrue(236 <= gp(7, 6)[2] <= 239) - self.assertTrue(236 <= gp(7, 7)[1] <= 239) - self.assertTrue(236 <= gp(8, 4)[0] <= 239) - self.assertTrue(236 <= gp(8, 5)[2] <= 239) - self.assertTrue(236 <= gp(8, 6)[2] <= 239) - self.assertTrue(236 <= gp(8, 7)[1] <= 239) - -if __name__ == '__main__': - unittest.main() +import pytest + +from PIL import Image, ImageFilter + + +@pytest.fixture +def test_images(): + ims = { + "im": Image.open("Tests/images/hopper.ppm"), + "snakes": Image.open("Tests/images/color_snakes.png"), + } + try: + yield ims + finally: + for im in ims.values(): + im.close() + + +def test_filter_api(test_images): + im = test_images["im"] + + test_filter = ImageFilter.GaussianBlur(2.0) + i = im.filter(test_filter) + assert i.mode == "RGB" + assert i.size == (128, 128) + + test_filter = ImageFilter.UnsharpMask(2.0, 125, 8) + i = im.filter(test_filter) + assert i.mode == "RGB" + assert i.size == (128, 128) + + +def test_usm_formats(test_images): + im = test_images["im"] + + usm = ImageFilter.UnsharpMask + with pytest.raises(ValueError): + im.convert("1").filter(usm) + im.convert("L").filter(usm) + with pytest.raises(ValueError): + im.convert("I").filter(usm) + with pytest.raises(ValueError): + im.convert("F").filter(usm) + im.convert("RGB").filter(usm) + im.convert("RGBA").filter(usm) + im.convert("CMYK").filter(usm) + with pytest.raises(ValueError): + im.convert("YCbCr").filter(usm) + + +def test_blur_formats(test_images): + im = test_images["im"] + + blur = ImageFilter.GaussianBlur + with pytest.raises(ValueError): + im.convert("1").filter(blur) + blur(im.convert("L")) + with pytest.raises(ValueError): + im.convert("I").filter(blur) + with pytest.raises(ValueError): + im.convert("F").filter(blur) + im.convert("RGB").filter(blur) + im.convert("RGBA").filter(blur) + im.convert("CMYK").filter(blur) + with pytest.raises(ValueError): + im.convert("YCbCr").filter(blur) + + +def test_usm_accuracy(test_images): + snakes = test_images["snakes"] + + src = snakes.convert("RGB") + i = src.filter(ImageFilter.UnsharpMask(5, 1024, 0)) + # Image should not be changed because it have only 0 and 255 levels. + assert i.tobytes() == src.tobytes() + + +def test_blur_accuracy(test_images): + snakes = test_images["snakes"] + + i = snakes.filter(ImageFilter.GaussianBlur(0.4)) + # These pixels surrounded with pixels with 255 intensity. + # They must be very close to 255. + for x, y, c in [ + (1, 0, 1), + (2, 0, 1), + (7, 8, 1), + (8, 8, 1), + (2, 9, 1), + (7, 3, 0), + (8, 3, 0), + (5, 8, 0), + (5, 9, 0), + (1, 3, 0), + (4, 3, 2), + (4, 2, 2), + ]: + assert i.im.getpixel((x, y))[c] >= 250 + # Fuzzy match. + + def gp(x, y): + return i.im.getpixel((x, y)) + + assert 236 <= gp(7, 4)[0] <= 239 + assert 236 <= gp(7, 5)[2] <= 239 + assert 236 <= gp(7, 6)[2] <= 239 + assert 236 <= gp(7, 7)[1] <= 239 + assert 236 <= gp(8, 4)[0] <= 239 + assert 236 <= gp(8, 5)[2] <= 239 + assert 236 <= gp(8, 6)[2] <= 239 + assert 236 <= gp(8, 7)[1] <= 239 diff --git a/Tests/test_imagepalette.py b/Tests/test_imagepalette.py index e26c242b0ca..475d249ed09 100644 --- a/Tests/test_imagepalette.py +++ b/Tests/test_imagepalette.py @@ -1,130 +1,193 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import ImagePalette +from PIL import Image, ImagePalette -ImagePalette = ImagePalette.ImagePalette +from .helper import assert_image_equal, assert_image_equal_tofile -class TestImagePalette(PillowTestCase): +def test_sanity(): - def test_sanity(self): + palette = ImagePalette.ImagePalette("RGB", list(range(256)) * 3) + assert len(palette.colors) == 256 - ImagePalette("RGB", list(range(256))*3) - self.assertRaises( - ValueError, lambda: ImagePalette("RGB", list(range(256))*2)) + with pytest.warns(DeprecationWarning): + with pytest.raises(ValueError): + ImagePalette.ImagePalette("RGB", list(range(256)) * 3, 10) - def test_getcolor(self): - palette = ImagePalette() +def test_reload(): + with Image.open("Tests/images/hopper.gif") as im: + original = im.copy() + im.palette.dirty = 1 + assert_image_equal(im.convert("RGB"), original.convert("RGB")) - test_map = {} - for i in range(256): - test_map[palette.getcolor((i, i, i))] = i - self.assertEqual(len(test_map), 256) - self.assertRaises(ValueError, lambda: palette.getcolor((1, 2, 3))) +def test_getcolor(): - def test_file(self): + palette = ImagePalette.ImagePalette() + assert len(palette.palette) == 0 + assert len(palette.colors) == 0 - palette = ImagePalette("RGB", list(range(256))*3) + test_map = {} + for i in range(256): + test_map[palette.getcolor((i, i, i))] = i + assert len(test_map) == 256 - f = self.tempfile("temp.lut") + # Colors can be converted between RGB and RGBA + rgba_palette = ImagePalette.ImagePalette("RGBA") + assert rgba_palette.getcolor((0, 0, 0)) == rgba_palette.getcolor((0, 0, 0, 255)) + assert palette.getcolor((0, 0, 0)) == palette.getcolor((0, 0, 0, 255)) + + # An error is raised when the palette is full + with pytest.raises(ValueError): + palette.getcolor((1, 2, 3)) + # But not if the image is not using one of the palette entries + palette.getcolor((1, 2, 3), image=Image.new("P", (1, 1))) + + # Test unknown color specifier + with pytest.raises(ValueError): + palette.getcolor("unknown") + + +@pytest.mark.parametrize( + "index, palette", + [ + # Test when the palette is not full + (0, ImagePalette.ImagePalette()), + # Test when the palette is full + (255, ImagePalette.ImagePalette("RGB", list(range(256)) * 3)), + ], +) +def test_getcolor_not_special(index, palette): + im = Image.new("P", (1, 1)) + + # Do not use transparency index as a new color + im.info["transparency"] = index + index1 = palette.getcolor((0, 0, 0), im) + assert index1 != index + + # Do not use background index as a new color + im.info["background"] = index1 + index2 = palette.getcolor((0, 0, 1), im) + assert index2 not in (index, index1) + + +def test_file(tmp_path): + + palette = ImagePalette.ImagePalette("RGB", list(range(256)) * 3) + + f = str(tmp_path / "temp.lut") + + palette.save(f) + + p = ImagePalette.load(f) + + # load returns raw palette information + assert len(p[0]) == 768 + assert p[1] == "RGB" + + p = ImagePalette.raw(p[1], p[0]) + assert isinstance(p, ImagePalette.ImagePalette) + assert p.palette == palette.tobytes() + + +def test_make_linear_lut(): + # Arrange + black = 0 + white = 255 + + # Act + lut = ImagePalette.make_linear_lut(black, white) + + # Assert + assert isinstance(lut, list) + assert len(lut) == 256 + # Check values + for i in range(0, len(lut)): + assert lut[i] == i + + +def test_make_linear_lut_not_yet_implemented(): + # Update after FIXME + # Arrange + black = 1 + white = 255 + + # Act + with pytest.raises(NotImplementedError): + ImagePalette.make_linear_lut(black, white) + + +def test_make_gamma_lut(): + # Arrange + exp = 5 + + # Act + lut = ImagePalette.make_gamma_lut(exp) + + # Assert + assert isinstance(lut, list) + assert len(lut) == 256 + # Check a few values + assert lut[0] == 0 + assert lut[63] == 0 + assert lut[127] == 8 + assert lut[191] == 60 + assert lut[255] == 255 + + +def test_rawmode_valueerrors(tmp_path): + # Arrange + palette = ImagePalette.raw("RGB", list(range(256)) * 3) + + # Act / Assert + with pytest.raises(ValueError): + palette.tobytes() + with pytest.raises(ValueError): + palette.getcolor((1, 2, 3)) + f = str(tmp_path / "temp.lut") + with pytest.raises(ValueError): palette.save(f) - from PIL.ImagePalette import load, raw - - p = load(f) - - # load returns raw palette information - self.assertEqual(len(p[0]), 768) - self.assertEqual(p[1], "RGB") - - p = raw(p[1], p[0]) - self.assertIsInstance(p, ImagePalette) - self.assertEqual(p.palette, palette.tobytes()) - - def test_make_linear_lut(self): - # Arrange - from PIL.ImagePalette import make_linear_lut - black = 0 - white = 255 - - # Act - lut = make_linear_lut(black, white) - - # Assert - self.assertIsInstance(lut, list) - self.assertEqual(len(lut), 256) - # Check values - for i in range(0, len(lut)): - self.assertEqual(lut[i], i) - - def test_make_linear_lut_not_yet_implemented(self): - # Update after FIXME - # Arrange - from PIL.ImagePalette import make_linear_lut - black = 1 - white = 255 - - # Act - self.assertRaises( - NotImplementedError, - lambda: make_linear_lut(black, white)) - - def test_make_gamma_lut(self): - # Arrange - from PIL.ImagePalette import make_gamma_lut - exp = 5 - - # Act - lut = make_gamma_lut(exp) - - # Assert - self.assertIsInstance(lut, list) - self.assertEqual(len(lut), 256) - # Check a few values - self.assertEqual(lut[0], 0) - self.assertEqual(lut[63], 0) - self.assertEqual(lut[127], 8) - self.assertEqual(lut[191], 60) - self.assertEqual(lut[255], 255) - - def test_rawmode_valueerrors(self): - # Arrange - from PIL.ImagePalette import raw - palette = raw("RGB", list(range(256))*3) - - # Act / Assert - self.assertRaises(ValueError, palette.tobytes) - self.assertRaises(ValueError, lambda: palette.getcolor((1, 2, 3))) - f = self.tempfile("temp.lut") - self.assertRaises(ValueError, lambda: palette.save(f)) - - def test_getdata(self): - # Arrange - data_in = list(range(256))*3 - palette = ImagePalette("RGB", data_in) - - # Act - mode, data_out = palette.getdata() - - # Assert - self.assertEqual(mode, "RGB;L") - - def test_rawmode_getdata(self): - # Arrange - from PIL.ImagePalette import raw - data_in = list(range(256))*3 - palette = raw("RGB", data_in) - - # Act - rawmode, data_out = palette.getdata() - - # Assert - self.assertEqual(rawmode, "RGB") - self.assertEqual(data_in, data_out) - - -if __name__ == '__main__': - unittest.main() + +def test_getdata(): + # Arrange + data_in = list(range(256)) * 3 + palette = ImagePalette.ImagePalette("RGB", data_in) + + # Act + mode, data_out = palette.getdata() + + # Assert + assert mode == "RGB" + + +def test_rawmode_getdata(): + # Arrange + data_in = list(range(256)) * 3 + palette = ImagePalette.raw("RGB", data_in) + + # Act + rawmode, data_out = palette.getdata() + + # Assert + assert rawmode == "RGB" + assert data_in == data_out + + +def test_2bit_palette(tmp_path): + # issue #2258, 2 bit palettes are corrupted. + outfile = str(tmp_path / "temp.png") + + rgb = b"\x00" * 2 + b"\x01" * 2 + b"\x02" * 2 + img = Image.frombytes("P", (6, 1), rgb) + img.putpalette(b"\xFF\x00\x00\x00\xFF\x00\x00\x00\xFF") # RGB + img.save(outfile, format="PNG") + + assert_image_equal_tofile(img, outfile) + + +def test_invalid_palette(): + with pytest.raises(OSError): + ImagePalette.load("Tests/images/hopper.jpg") diff --git a/Tests/test_imagepath.py b/Tests/test_imagepath.py index d5ec5dfaa8c..b18271cc5a1 100644 --- a/Tests/test_imagepath.py +++ b/Tests/test_imagepath.py @@ -1,87 +1,183 @@ -from helper import unittest, PillowTestCase - -from PIL import ImagePath, Image - import array +import math import struct +import pytest + +from PIL import Image, ImagePath + + +def test_path(): + + p = ImagePath.Path(list(range(10))) + + # sequence interface + assert len(p) == 5 + assert p[0] == (0.0, 1.0) + assert p[-1] == (8.0, 9.0) + assert list(p[:1]) == [(0.0, 1.0)] + with pytest.raises(TypeError) as cm: + p["foo"] + assert str(cm.value) == "Path indices must be integers, not str" + assert list(p) == [(0.0, 1.0), (2.0, 3.0), (4.0, 5.0), (6.0, 7.0), (8.0, 9.0)] + + # method sanity check + assert p.tolist() == [ + (0.0, 1.0), + (2.0, 3.0), + (4.0, 5.0), + (6.0, 7.0), + (8.0, 9.0), + ] + assert p.tolist(1) == [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0] + + assert p.getbbox() == (0.0, 1.0, 8.0, 9.0) + + assert p.compact(5) == 2 + assert list(p) == [(0.0, 1.0), (4.0, 5.0), (8.0, 9.0)] + + p.transform((1, 0, 1, 0, 1, 1)) + assert list(p) == [(1.0, 2.0), (5.0, 6.0), (9.0, 10.0)] + + # alternative constructors + p = ImagePath.Path([0, 1]) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path([0.0, 1.0]) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path([0, 1]) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path([(0, 1)]) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path(p) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path(p.tolist(0)) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path(p.tolist(1)) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path(array.array("f", [0, 1])) + assert list(p) == [(0.0, 1.0)] + + arr = array.array("f", [0, 1]) + if hasattr(arr, "tobytes"): + p = ImagePath.Path(arr.tobytes()) + else: + p = ImagePath.Path(arr.tostring()) + assert list(p) == [(0.0, 1.0)] + + +def test_invalid_coords(): + # Arrange + coords = ["a", "b"] + + # Act / Assert + with pytest.raises(SystemError): + ImagePath.Path(coords) + + +def test_path_odd_number_of_coordinates(): + # Arrange + coords = [0] + + # Act / Assert + with pytest.raises(ValueError) as e: + ImagePath.Path(coords) + + assert str(e.value) == "wrong number of coordinates" + + +@pytest.mark.parametrize( + "coords, expected", + [ + ([0, 1, 2, 3], (0.0, 1.0, 2.0, 3.0)), + ([3, 2, 1, 0], (1.0, 0.0, 3.0, 2.0)), + (0, (0.0, 0.0, 0.0, 0.0)), + (1, (0.0, 0.0, 0.0, 0.0)), + ], +) +def test_getbbox(coords, expected): + # Arrange + p = ImagePath.Path(coords) + + # Act / Assert + assert p.getbbox() == expected + + +def test_getbbox_no_args(): + # Arrange + p = ImagePath.Path([0, 1, 2, 3]) + + # Act / Assert + with pytest.raises(TypeError): + p.getbbox(1) + + +@pytest.mark.parametrize( + "coords, expected", + [ + (0, []), + (list(range(6)), [(0.0, 3.0), (4.0, 9.0), (8.0, 15.0)]), + ], +) +def test_map(coords, expected): + # Arrange + p = ImagePath.Path(coords) + + # Act + # Modifies the path in-place + p.map(lambda x, y: (x * 2, y * 3)) + + # Assert + assert list(p) == expected + + +def test_transform(): + # Arrange + p = ImagePath.Path([0, 1, 2, 3]) + theta = math.pi / 15 + + # Act + # Affine transform, in-place + p.transform( + (math.cos(theta), math.sin(theta), 20, -math.sin(theta), math.cos(theta), 20), + ) + + # Assert + assert p.tolist() == [ + (20.20791169081776, 20.978147600733806), + (22.58003027392089, 22.518619420565898), + ] + + +def test_transform_with_wrap(): + # Arrange + p = ImagePath.Path([0, 1, 2, 3]) + theta = math.pi / 15 + + # Act + # Affine transform, in-place, with wrap parameter + p.transform( + (math.cos(theta), math.sin(theta), 20, -math.sin(theta), math.cos(theta), 20), + 1.0, + ) + + # Assert + assert p.tolist() == [ + (0.20791169081775962, 20.978147600733806), + (0.5800302739208902, 22.518619420565898), + ] -class TestImagePath(PillowTestCase): - - def test_path(self): - - p = ImagePath.Path(list(range(10))) - - # sequence interface - self.assertEqual(len(p), 5) - self.assertEqual(p[0], (0.0, 1.0)) - self.assertEqual(p[-1], (8.0, 9.0)) - self.assertEqual(list(p[:1]), [(0.0, 1.0)]) - self.assertEqual( - list(p), - [(0.0, 1.0), (2.0, 3.0), (4.0, 5.0), (6.0, 7.0), (8.0, 9.0)]) - - # method sanity check - self.assertEqual( - p.tolist(), - [(0.0, 1.0), (2.0, 3.0), (4.0, 5.0), (6.0, 7.0), (8.0, 9.0)]) - self.assertEqual( - p.tolist(1), - [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0]) - - self.assertEqual(p.getbbox(), (0.0, 1.0, 8.0, 9.0)) - - self.assertEqual(p.compact(5), 2) - self.assertEqual(list(p), [(0.0, 1.0), (4.0, 5.0), (8.0, 9.0)]) - - p.transform((1, 0, 1, 0, 1, 1)) - self.assertEqual(list(p), [(1.0, 2.0), (5.0, 6.0), (9.0, 10.0)]) - - # alternative constructors - p = ImagePath.Path([0, 1]) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path([0.0, 1.0]) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path([0, 1]) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path([(0, 1)]) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path(p) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path(p.tolist(0)) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path(p.tolist(1)) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path(array.array("f", [0, 1])) - self.assertEqual(list(p), [(0.0, 1.0)]) - - arr = array.array("f", [0, 1]) - if hasattr(arr, 'tobytes'): - p = ImagePath.Path(arr.tobytes()) - else: - p = ImagePath.Path(arr.tostring()) - self.assertEqual(list(p), [(0.0, 1.0)]) - - def test_overflow_segfault(self): - try: - # post patch, this fails with a memory error - x = evil() - - # This fails due to the invalid malloc above, - # and segfaults - for i in range(200000): - if str is bytes: - x[i] = "0"*16 - else: - x[i] = b'0'*16 - except TypeError as msg: - # Some pythons fail getting the argument as an integer, and - # it falls through to the sequence. Seeing this on 32bit windows. - self.assertTrue(True, "Sequence required") - except MemoryError as msg: - self.assertTrue(msg) - except: - self.assertTrue(False, "Should have received a memory error") + +def test_overflow_segfault(): + # Some Pythons fail getting the argument as an integer, and it falls + # through to the sequence. Seeing this on 32-bit Windows. + with pytest.raises((TypeError, MemoryError)): + # post patch, this fails with a memory error + x = evil() + + # This fails due to the invalid malloc above, + # and segfaults + for i in range(200000): + x[i] = b"0" * 16 class evil: @@ -94,7 +190,3 @@ def __getitem__(self, i): def __setitem__(self, i, x): self.corrupt[i] = struct.unpack("dd", x) - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_imageqt.py b/Tests/test_imageqt.py index d3de5875bef..589cb5a210a 100644 --- a/Tests/test_imageqt.py +++ b/Tests/test_imageqt.py @@ -1,80 +1,62 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import ImageQt +from .helper import assert_image_similar, hopper + +pytestmark = pytest.mark.skipif( + not ImageQt.qt_is_installed, reason="Qt bindings are not installed" +) if ImageQt.qt_is_installed: from PIL.ImageQt import qRgba - def skip_if_qt_is_not_installed(_): - pass -else: - def skip_if_qt_is_not_installed(test_case): - test_case.skipTest('Qt bindings are not installed') - - -class PillowQtTestCase(object): - - def setUp(self): - skip_if_qt_is_not_installed(self) - - def tearDown(self): - pass - - -class PillowQPixmapTestCase(PillowQtTestCase): - - def setUp(self): - PillowQtTestCase.setUp(self) - try: - if ImageQt.qt_version == '5': - from PyQt5.QtGui import QGuiApplication - elif ImageQt.qt_version == '4': - from PyQt4.QtGui import QGuiApplication - elif ImageQt.qt_version == 'side': - from PySide.QtGui import QGuiApplication - except ImportError: - self.skipTest('QGuiApplication not installed') - - self.app = QGuiApplication([]) - - def tearDown(self): - PillowQtTestCase.tearDown(self) - self.app.quit() - - -class TestImageQt(PillowQtTestCase, PillowTestCase): - - def test_rgb(self): - # from https://doc.qt.io/qt-4.8/qcolor.html - # typedef QRgb - # An ARGB quadruplet on the format #AARRGGBB, - # equivalent to an unsigned int. - if ImageQt.qt_version == '5': - from PyQt5.QtGui import qRgb - elif ImageQt.qt_version == '4': - from PyQt4.QtGui import qRgb - elif ImageQt.qt_version == 'side': - from PySide.QtGui import qRgb - - self.assertEqual(qRgb(0, 0, 0), qRgba(0, 0, 0, 255)) - - def checkrgb(r, g, b): - val = ImageQt.rgb(r, g, b) - val = val % 2**24 # drop the alpha - self.assertEqual(val >> 16, r) - self.assertEqual(((val >> 8) % 2**8), g) - self.assertEqual(val % 2**8, b) - - checkrgb(0, 0, 0) - checkrgb(255, 0, 0) - checkrgb(0, 255, 0) - checkrgb(0, 0, 255) - - def test_image(self): - for mode in ('1', 'RGB', 'RGBA', 'L', 'P'): - ImageQt.ImageQt(hopper(mode)) - -if __name__ == '__main__': - unittest.main() +def test_rgb(): + # from https://doc.qt.io/archives/qt-4.8/qcolor.html + # typedef QRgb + # An ARGB quadruplet on the format #AARRGGBB, + # equivalent to an unsigned int. + if ImageQt.qt_version == "6": + from PyQt6.QtGui import qRgb + elif ImageQt.qt_version == "side6": + from PySide6.QtGui import qRgb + elif ImageQt.qt_version == "5": + from PyQt5.QtGui import qRgb + elif ImageQt.qt_version == "side2": + from PySide2.QtGui import qRgb + + assert qRgb(0, 0, 0) == qRgba(0, 0, 0, 255) + + def checkrgb(r, g, b): + val = ImageQt.rgb(r, g, b) + val = val % 2 ** 24 # drop the alpha + assert val >> 16 == r + assert ((val >> 8) % 2 ** 8) == g + assert val % 2 ** 8 == b + + checkrgb(0, 0, 0) + checkrgb(255, 0, 0) + checkrgb(0, 255, 0) + checkrgb(0, 0, 255) + + +def test_image(): + modes = ["1", "RGB", "RGBA", "L", "P"] + qt_format = ImageQt.QImage.Format if ImageQt.qt_version == "6" else ImageQt.QImage + if hasattr(qt_format, "Format_Grayscale16"): # Qt 5.13+ + modes.append("I;16") + + for mode in modes: + im = hopper(mode) + roundtripped_im = ImageQt.fromqimage(ImageQt.ImageQt(im)) + if mode not in ("RGB", "RGBA"): + im = im.convert("RGB") + assert_image_similar(roundtripped_im, im, 1) + + +def test_closed_file(): + with pytest.warns(None) as record: + ImageQt.ImageQt("Tests/images/hopper.gif") + + assert not record diff --git a/Tests/test_imagesequence.py b/Tests/test_imagesequence.py index 0877bfb8a63..7cf237b4654 100644 --- a/Tests/test_imagesequence.py +++ b/Tests/test_imagesequence.py @@ -1,76 +1,106 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image, ImageSequence, TiffImagePlugin +from .helper import assert_image_equal, hopper, skip_unless_feature -class TestImageSequence(PillowTestCase): - def test_sanity(self): +def test_sanity(tmp_path): - test_file = self.tempfile("temp.im") + test_file = str(tmp_path / "temp.im") - im = hopper("RGB") - im.save(test_file) + im = hopper("RGB") + im.save(test_file) - seq = ImageSequence.Iterator(im) + seq = ImageSequence.Iterator(im) - index = 0 - for frame in seq: - self.assert_image_equal(im, frame) - self.assertEqual(im.tell(), index) - index += 1 + index = 0 + for frame in seq: + assert_image_equal(im, frame) + assert im.tell() == index + index += 1 - self.assertEqual(index, 1) + assert index == 1 - self.assertRaises(AttributeError, lambda: ImageSequence.Iterator(0)) + with pytest.raises(AttributeError): + ImageSequence.Iterator(0) - def test_iterator(self): - im = Image.open('Tests/images/multipage.tiff') + +def test_iterator(): + with Image.open("Tests/images/multipage.tiff") as im: i = ImageSequence.Iterator(im) for index in range(0, im.n_frames): - self.assertEqual(i[index], next(i)) - self.assertRaises(IndexError, lambda: i[index+1]) - self.assertRaises(StopIteration, lambda: next(i)) + assert i[index] == next(i) + with pytest.raises(IndexError): + i[index + 1] + with pytest.raises(StopIteration): + next(i) + + +def test_iterator_min_frame(): + with Image.open("Tests/images/hopper.psd") as im: + i = ImageSequence.Iterator(im) + for index in range(1, im.n_frames): + assert i[index] == next(i) + - def _test_multipage_tiff(self): - im = Image.open('Tests/images/multipage.tiff') +def _test_multipage_tiff(): + with Image.open("Tests/images/multipage.tiff") as im: for index, frame in enumerate(ImageSequence.Iterator(im)): frame.load() - self.assertEqual(index, im.tell()) - frame.convert('RGB') + assert index == im.tell() + frame.convert("RGB") + - def test_tiff(self): - self._test_multipage_tiff() +def test_tiff(): + _test_multipage_tiff() - def test_libtiff(self): - codecs = dir(Image.core) - if "libtiff_encoder" not in codecs or "libtiff_decoder" not in codecs: - self.skipTest("tiff support not available") +@skip_unless_feature("libtiff") +def test_libtiff(): + TiffImagePlugin.READ_LIBTIFF = True + _test_multipage_tiff() + TiffImagePlugin.READ_LIBTIFF = False - TiffImagePlugin.READ_LIBTIFF = True - self._test_multipage_tiff() - TiffImagePlugin.READ_LIBTIFF = False - def test_consecutive(self): - im = Image.open('Tests/images/multipage.tiff') +def test_consecutive(): + with Image.open("Tests/images/multipage.tiff") as im: firstFrame = None for frame in ImageSequence.Iterator(im): if firstFrame is None: firstFrame = frame.copy() - pass for frame in ImageSequence.Iterator(im): - self.assert_image_equal(frame, firstFrame) + assert_image_equal(frame, firstFrame) break - def test_palette_mmap(self): - # Using mmap in ImageFile can require to reload the palette. - im = Image.open('Tests/images/multipage-mmap.tiff') +def test_palette_mmap(): + # Using mmap in ImageFile can require to reload the palette. + with Image.open("Tests/images/multipage-mmap.tiff") as im: color1 = im.getpalette()[0:3] im.seek(0) color2 = im.getpalette()[0:3] - self.assertEqual(color1, color2) + assert color1 == color2 + + +def test_all_frames(): + # Test a single image + with Image.open("Tests/images/iss634.gif") as im: + ims = ImageSequence.all_frames(im) + + assert len(ims) == 42 + for i, im_frame in enumerate(ims): + assert im_frame is not im + + im.seek(i) + assert_image_equal(im, im_frame) + + # Test a series of images + ims = ImageSequence.all_frames([im, hopper(), im]) + assert len(ims) == 85 -if __name__ == '__main__': - unittest.main() + # Test an operation + ims = ImageSequence.all_frames(im, lambda im_frame: im_frame.rotate(90)) + for i, im_frame in enumerate(ims): + im.seek(i) + assert_image_equal(im.rotate(90), im_frame) diff --git a/Tests/test_imageshow.py b/Tests/test_imageshow.py index 4424fa0eb1d..5981e22c012 100644 --- a/Tests/test_imageshow.py +++ b/Tests/test_imageshow.py @@ -1,15 +1,81 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import Image -from PIL import ImageShow +from PIL import Image, ImageShow +from .helper import hopper, is_win32, on_ci -class TestImageShow(PillowTestCase): - def test_sanity(self): - dir(Image) - dir(ImageShow) +def test_sanity(): + dir(Image) + dir(ImageShow) -if __name__ == '__main__': - unittest.main() +def test_register(): + # Test registering a viewer that is not a class + ImageShow.register("not a class") + + # Restore original state + ImageShow._viewers.pop() + + +@pytest.mark.parametrize( + "order", + [-1, 0], +) +def test_viewer_show(order): + class TestViewer(ImageShow.Viewer): + def show_image(self, image, **options): + self.methodCalled = True + return True + + viewer = TestViewer() + ImageShow.register(viewer, order) + + for mode in ("1", "I;16", "LA", "RGB", "RGBA"): + viewer.methodCalled = False + with hopper(mode) as im: + assert ImageShow.show(im) + assert viewer.methodCalled + + # Restore original state + ImageShow._viewers.pop(0) + + +@pytest.mark.skipif( + not on_ci() or is_win32(), + reason="Only run on CIs; hangs on Windows CIs", +) +def test_show(): + for mode in ("1", "I;16", "LA", "RGB", "RGBA"): + im = hopper(mode) + assert ImageShow.show(im) + + +def test_viewer(): + viewer = ImageShow.Viewer() + + assert viewer.get_format(None) is None + + with pytest.raises(NotImplementedError): + viewer.get_command(None) + + +def test_viewers(): + for viewer in ImageShow._viewers: + try: + viewer.get_command("test.jpg") + except NotImplementedError: + pass + + +def test_ipythonviewer(): + pytest.importorskip("IPython", reason="IPython not installed") + for viewer in ImageShow._viewers: + if isinstance(viewer, ImageShow.IPythonViewer): + test_viewer = viewer + break + else: + assert False + + im = hopper() + assert test_viewer.show(im) == 1 diff --git a/Tests/test_imagestat.py b/Tests/test_imagestat.py index 5e0ef06fe7e..9474ff6f9ba 100644 --- a/Tests/test_imagestat.py +++ b/Tests/test_imagestat.py @@ -1,61 +1,60 @@ -from helper import unittest, PillowTestCase, hopper +import pytest -from PIL import Image -from PIL import ImageStat +from PIL import Image, ImageStat +from .helper import hopper -class TestImageStat(PillowTestCase): - def test_sanity(self): +def test_sanity(): - im = hopper() + im = hopper() - st = ImageStat.Stat(im) - st = ImageStat.Stat(im.histogram()) - st = ImageStat.Stat(im, Image.new("1", im.size, 1)) + st = ImageStat.Stat(im) + st = ImageStat.Stat(im.histogram()) + st = ImageStat.Stat(im, Image.new("1", im.size, 1)) - # Check these run. Exceptions will cause failures. - st.extrema - st.sum - st.mean - st.median - st.rms - st.sum2 - st.var - st.stddev + # Check these run. Exceptions will cause failures. + st.extrema + st.sum + st.mean + st.median + st.rms + st.sum2 + st.var + st.stddev - self.assertRaises(AttributeError, lambda: st.spam) + with pytest.raises(AttributeError): + st.spam() - self.assertRaises(TypeError, lambda: ImageStat.Stat(1)) + with pytest.raises(TypeError): + ImageStat.Stat(1) - def test_hopper(self): - im = hopper() +def test_hopper(): - st = ImageStat.Stat(im) + im = hopper() - # verify a few values - self.assertEqual(st.extrema[0], (0, 255)) - self.assertEqual(st.median[0], 72) - self.assertEqual(st.sum[0], 1470218) - self.assertEqual(st.sum[1], 1311896) - self.assertEqual(st.sum[2], 1563008) + st = ImageStat.Stat(im) - def test_constant(self): + # verify a few values + assert st.extrema[0] == (0, 255) + assert st.median[0] == 72 + assert st.sum[0] == 1470218 + assert st.sum[1] == 1311896 + assert st.sum[2] == 1563008 - im = Image.new("L", (128, 128), 128) - st = ImageStat.Stat(im) +def test_constant(): - self.assertEqual(st.extrema[0], (128, 128)) - self.assertEqual(st.sum[0], 128**3) - self.assertEqual(st.sum2[0], 128**4) - self.assertEqual(st.mean[0], 128) - self.assertEqual(st.median[0], 128) - self.assertEqual(st.rms[0], 128) - self.assertEqual(st.var[0], 0) - self.assertEqual(st.stddev[0], 0) + im = Image.new("L", (128, 128), 128) + st = ImageStat.Stat(im) -if __name__ == '__main__': - unittest.main() + assert st.extrema[0] == (128, 128) + assert st.sum[0] == 128 ** 3 + assert st.sum2[0] == 128 ** 4 + assert st.mean[0] == 128 + assert st.median[0] == 128 + assert st.rms[0] == 128 + assert st.var[0] == 0 + assert st.stddev[0] == 0 diff --git a/Tests/test_imagetk.py b/Tests/test_imagetk.py index f56333a59f1..928b8cbd188 100644 --- a/Tests/test_imagetk.py +++ b/Tests/test_imagetk.py @@ -1,44 +1,92 @@ -from helper import unittest, PillowTestCase +import pytest + from PIL import Image +from .helper import assert_image_equal, hopper + try: + import tkinter as tk + from PIL import ImageTk + dir(ImageTk) -except (OSError, ImportError) as v: - # Skipped via setUp() - pass + HAS_TK = True +except (OSError, ImportError): + # Skipped via pytestmark + HAS_TK = False + +TK_MODES = ("1", "L", "P", "RGB", "RGBA") + + +pytestmark = pytest.mark.skipif(not HAS_TK, reason="Tk not installed") + + +def setup_module(): + try: + # setup tk + tk.Frame() + # root = tk.Tk() + except tk.TclError as v: + pytest.skip(f"TCL Error: {v}") + + +def test_kw(): + TEST_JPG = "Tests/images/hopper.jpg" + TEST_PNG = "Tests/images/hopper.png" + with Image.open(TEST_JPG) as im1: + with Image.open(TEST_PNG) as im2: + with open(TEST_PNG, "rb") as fp: + data = fp.read() + kw = {"file": TEST_JPG, "data": data} + + # Test "file" + im = ImageTk._get_image_from_kw(kw) + assert_image_equal(im, im1) + + # Test "data" + im = ImageTk._get_image_from_kw(kw) + assert_image_equal(im, im2) + + # Test no relevant entry + im = ImageTk._get_image_from_kw(kw) + assert im is None + + +def test_photoimage(): + for mode in TK_MODES: + # test as image: + im = hopper(mode) + + # this should not crash + im_tk = ImageTk.PhotoImage(im) + + assert im_tk.width() == im.width + assert im_tk.height() == im.height + + reloaded = ImageTk.getimage(im_tk) + assert_image_equal(reloaded, im.convert("RGBA")) -class TestImageTk(PillowTestCase): +def test_photoimage_blank(): + # test a image using mode/size: + for mode in TK_MODES: + im_tk = ImageTk.PhotoImage(mode, (100, 100)) - def setUp(self): - try: - from PIL import ImageTk - dir(ImageTk) - except (OSError, ImportError) as v: - self.skipTest(v) + assert im_tk.width() == 100 + assert im_tk.height() == 100 - def test_kw(self): - TEST_JPG = "Tests/images/hopper.jpg" - TEST_PNG = "Tests/images/hopper.png" - im1 = Image.open(TEST_JPG) - im2 = Image.open(TEST_PNG) - with open(TEST_PNG, 'rb') as fp: - data = fp.read() - kw = {"file": TEST_JPG, "data": data} + # reloaded = ImageTk.getimage(im_tk) + # assert_image_equal(reloaded, im) - # Test "file" - im = ImageTk._get_image_from_kw(kw) - self.assert_image_equal(im, im1) - # Test "data" - im = ImageTk._get_image_from_kw(kw) - self.assert_image_equal(im, im2) +def test_bitmapimage(): + im = hopper("1") - # Test no relevant entry - im = ImageTk._get_image_from_kw(kw) - self.assertEqual(im, None) + # this should not crash + im_tk = ImageTk.BitmapImage(im) + assert im_tk.width() == im.width + assert im_tk.height() == im.height -if __name__ == '__main__': - unittest.main() + # reloaded = ImageTk.getimage(im_tk) + # assert_image_equal(reloaded, im) diff --git a/Tests/test_imagewin.py b/Tests/test_imagewin.py index d802b1fb217..9d64d17a30f 100644 --- a/Tests/test_imagewin.py +++ b/Tests/test_imagewin.py @@ -1,11 +1,11 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import ImageWin -import sys +from .helper import hopper, is_win32 -class TestImageWin(PillowTestCase): +class TestImageWin: def test_sanity(self): dir(ImageWin) @@ -18,7 +18,7 @@ def test_hdc(self): dc2 = int(hdc) # Assert - self.assertEqual(dc2, 50) + assert dc2 == 50 def test_hwnd(self): # Arrange @@ -29,12 +29,11 @@ def test_hwnd(self): wnd2 = int(hwnd) # Assert - self.assertEqual(wnd2, 50) + assert wnd2 == 50 -@unittest.skipUnless(sys.platform.startswith('win32'), "Windows only") -class TestImageWinDib(PillowTestCase): - +@pytest.mark.skipif(not is_win32(), reason="Windows only") +class TestImageWinDib: def test_dib_image(self): # Arrange im = hopper() @@ -43,7 +42,7 @@ def test_dib_image(self): dib = ImageWin.Dib(im) # Assert - self.assertEqual(dib.size, im.size) + assert dib.size == im.size def test_dib_mode_string(self): # Arrange @@ -54,7 +53,7 @@ def test_dib_mode_string(self): dib = ImageWin.Dib(mode, size) # Assert - self.assertEqual(dib.size, (128, 128)) + assert dib.size == (128, 128) def test_dib_paste(self): # Arrange @@ -68,7 +67,7 @@ def test_dib_paste(self): dib.paste(im) # Assert - self.assertEqual(dib.size, (128, 128)) + assert dib.size == (128, 128) def test_dib_paste_bbox(self): # Arrange @@ -83,7 +82,7 @@ def test_dib_paste_bbox(self): dib.paste(im, bbox) # Assert - self.assertEqual(dib.size, (128, 128)) + assert dib.size == (128, 128) def test_dib_frombytes_tobytes_roundtrip(self): # Arrange @@ -96,7 +95,7 @@ def test_dib_frombytes_tobytes_roundtrip(self): dib2 = ImageWin.Dib(mode, size) # Confirm they're different - self.assertNotEqual(dib1.tobytes(), dib2.tobytes()) + assert dib1.tobytes() != dib2.tobytes() # Act # Make one the same as the using tobytes()/frombytes() @@ -105,17 +104,4 @@ def test_dib_frombytes_tobytes_roundtrip(self): # Assert # Confirm they're the same - self.assertEqual(dib1.tobytes(), dib2.tobytes()) - - def test_removed_methods(self): - # Arrange - im = hopper() - dib = ImageWin.Dib(im) - - # Act/Assert - self.assertRaises(Exception, dib.tostring) - self.assertRaises(Exception, dib.fromstring) - - -if __name__ == '__main__': - unittest.main() + assert dib1.tobytes() == dib2.tobytes() diff --git a/Tests/test_imagewin_pointers.py b/Tests/test_imagewin_pointers.py index f37c67eaced..c51a66089c8 100644 --- a/Tests/test_imagewin_pointers.py +++ b/Tests/test_imagewin_pointers.py @@ -1,39 +1,39 @@ -from helper import unittest, PillowTestCase, hopper -from PIL import Image, ImageWin - -import sys import ctypes from io import BytesIO +from PIL import Image, ImageWin + +from .helper import hopper, is_win32 + # see https://github.com/python-pillow/Pillow/pull/1431#issuecomment-144692652 -if sys.platform.startswith('win32'): +if is_win32(): import ctypes.wintypes class BITMAPFILEHEADER(ctypes.Structure): _pack_ = 2 _fields_ = [ - ('bfType', ctypes.wintypes.WORD), - ('bfSize', ctypes.wintypes.DWORD), - ('bfReserved1', ctypes.wintypes.WORD), - ('bfReserved2', ctypes.wintypes.WORD), - ('bfOffBits', ctypes.wintypes.DWORD), + ("bfType", ctypes.wintypes.WORD), + ("bfSize", ctypes.wintypes.DWORD), + ("bfReserved1", ctypes.wintypes.WORD), + ("bfReserved2", ctypes.wintypes.WORD), + ("bfOffBits", ctypes.wintypes.DWORD), ] class BITMAPINFOHEADER(ctypes.Structure): _pack_ = 2 _fields_ = [ - ('biSize', ctypes.wintypes.DWORD), - ('biWidth', ctypes.wintypes.LONG), - ('biHeight', ctypes.wintypes.LONG), - ('biPlanes', ctypes.wintypes.WORD), - ('biBitCount', ctypes.wintypes.WORD), - ('biCompression', ctypes.wintypes.DWORD), - ('biSizeImage', ctypes.wintypes.DWORD), - ('biXPelsPerMeter', ctypes.wintypes.LONG), - ('biYPelsPerMeter', ctypes.wintypes.LONG), - ('biClrUsed', ctypes.wintypes.DWORD), - ('biClrImportant', ctypes.wintypes.DWORD), + ("biSize", ctypes.wintypes.DWORD), + ("biWidth", ctypes.wintypes.LONG), + ("biHeight", ctypes.wintypes.LONG), + ("biPlanes", ctypes.wintypes.WORD), + ("biBitCount", ctypes.wintypes.WORD), + ("biCompression", ctypes.wintypes.DWORD), + ("biSizeImage", ctypes.wintypes.DWORD), + ("biXPelsPerMeter", ctypes.wintypes.LONG), + ("biYPelsPerMeter", ctypes.wintypes.LONG), + ("biClrUsed", ctypes.wintypes.DWORD), + ("biClrImportant", ctypes.wintypes.DWORD), ] BI_RGB = 0 @@ -57,15 +57,19 @@ class BITMAPINFOHEADER(ctypes.Structure): DeleteObject.argtypes = [ctypes.wintypes.HGDIOBJ] CreateDIBSection = ctypes.windll.gdi32.CreateDIBSection - CreateDIBSection.argtypes = [ctypes.wintypes.HDC, ctypes.c_void_p, - ctypes.c_uint, - ctypes.POINTER(ctypes.c_void_p), - ctypes.wintypes.HANDLE, ctypes.wintypes.DWORD] + CreateDIBSection.argtypes = [ + ctypes.wintypes.HDC, + ctypes.c_void_p, + ctypes.c_uint, + ctypes.POINTER(ctypes.c_void_p), + ctypes.wintypes.HANDLE, + ctypes.wintypes.DWORD, + ] CreateDIBSection.restype = ctypes.wintypes.HBITMAP def serialize_dib(bi, pixels): bf = BITMAPFILEHEADER() - bf.bfType = 0x4d42 + bf.bfType = 0x4D42 bf.bfOffBits = ctypes.sizeof(bf) + bi.biSize bf.bfSize = bf.bfOffBits + bi.biSizeImage bf.bfReserved1 = bf.bfReserved2 = 0 @@ -75,43 +79,36 @@ def serialize_dib(bi, pixels): memcpy(bp, ctypes.byref(bf), ctypes.sizeof(bf)) memcpy(bp + ctypes.sizeof(bf), ctypes.byref(bi), bi.biSize) memcpy(bp + bf.bfOffBits, pixels, bi.biSizeImage) - try: - return bytearray(buf) - except ValueError: - # py2.6 - return buffer(buf)[:] - - class TestImageWinPointers(PillowTestCase): - def test_pointer(self): - im = hopper() - (width, height) = im.size - opath = self.tempfile('temp.png') - imdib = ImageWin.Dib(im) - - hdr = BITMAPINFOHEADER() - hdr.biSize = ctypes.sizeof(hdr) - hdr.biWidth = width - hdr.biHeight = height - hdr.biPlanes = 1 - hdr.biBitCount = 32 - hdr.biCompression = BI_RGB - hdr.biSizeImage = width * height * 4 - hdr.biClrUsed = 0 - hdr.biClrImportant = 0 - - hdc = CreateCompatibleDC(None) - # print('hdc:',hex(hdc)) - pixels = ctypes.c_void_p() - dib = CreateDIBSection(hdc, ctypes.byref(hdr), DIB_RGB_COLORS, - ctypes.byref(pixels), None, 0) - SelectObject(hdc, dib) - - imdib.expose(hdc) - bitmap = serialize_dib(hdr, pixels) - DeleteObject(dib) - DeleteDC(hdc) - - Image.open(BytesIO(bitmap)).save(opath) - -if __name__ == '__main__': - unittest.main() + return bytearray(buf) + + def test_pointer(tmp_path): + im = hopper() + (width, height) = im.size + opath = str(tmp_path / "temp.png") + imdib = ImageWin.Dib(im) + + hdr = BITMAPINFOHEADER() + hdr.biSize = ctypes.sizeof(hdr) + hdr.biWidth = width + hdr.biHeight = height + hdr.biPlanes = 1 + hdr.biBitCount = 32 + hdr.biCompression = BI_RGB + hdr.biSizeImage = width * height * 4 + hdr.biClrUsed = 0 + hdr.biClrImportant = 0 + + hdc = CreateCompatibleDC(None) + pixels = ctypes.c_void_p() + dib = CreateDIBSection( + hdc, ctypes.byref(hdr), DIB_RGB_COLORS, ctypes.byref(pixels), None, 0 + ) + SelectObject(hdc, dib) + + imdib.expose(hdc) + bitmap = serialize_dib(hdr, pixels) + DeleteObject(dib) + DeleteDC(hdc) + + with Image.open(BytesIO(bitmap)) as im: + im.save(opath) diff --git a/Tests/test_lib_image.py b/Tests/test_lib_image.py index 2b4e2528ebf..37ed3659d0a 100644 --- a/Tests/test_lib_image.py +++ b/Tests/test_lib_image.py @@ -1,37 +1,33 @@ -from helper import unittest, PillowTestCase +import pytest from PIL import Image -class TestLibImage(PillowTestCase): +def test_setmode(): - def test_setmode(self): + im = Image.new("L", (1, 1), 255) + im.im.setmode("1") + assert im.im.getpixel((0, 0)) == 255 + im.im.setmode("L") + assert im.im.getpixel((0, 0)) == 255 - im = Image.new("L", (1, 1), 255) - im.im.setmode("1") - self.assertEqual(im.im.getpixel((0, 0)), 255) - im.im.setmode("L") - self.assertEqual(im.im.getpixel((0, 0)), 255) - - im = Image.new("1", (1, 1), 1) - im.im.setmode("L") - self.assertEqual(im.im.getpixel((0, 0)), 255) - im.im.setmode("1") - self.assertEqual(im.im.getpixel((0, 0)), 255) + im = Image.new("1", (1, 1), 1) + im.im.setmode("L") + assert im.im.getpixel((0, 0)) == 255 + im.im.setmode("1") + assert im.im.getpixel((0, 0)) == 255 - im = Image.new("RGB", (1, 1), (1, 2, 3)) - im.im.setmode("RGB") - self.assertEqual(im.im.getpixel((0, 0)), (1, 2, 3)) - im.im.setmode("RGBA") - self.assertEqual(im.im.getpixel((0, 0)), (1, 2, 3, 255)) - im.im.setmode("RGBX") - self.assertEqual(im.im.getpixel((0, 0)), (1, 2, 3, 255)) - im.im.setmode("RGB") - self.assertEqual(im.im.getpixel((0, 0)), (1, 2, 3)) + im = Image.new("RGB", (1, 1), (1, 2, 3)) + im.im.setmode("RGB") + assert im.im.getpixel((0, 0)) == (1, 2, 3) + im.im.setmode("RGBA") + assert im.im.getpixel((0, 0)) == (1, 2, 3, 255) + im.im.setmode("RGBX") + assert im.im.getpixel((0, 0)) == (1, 2, 3, 255) + im.im.setmode("RGB") + assert im.im.getpixel((0, 0)) == (1, 2, 3) - self.assertRaises(ValueError, lambda: im.im.setmode("L")) - self.assertRaises(ValueError, lambda: im.im.setmode("RGBABCDE")) - - -if __name__ == '__main__': - unittest.main() + with pytest.raises(ValueError): + im.im.setmode("L") + with pytest.raises(ValueError): + im.im.setmode("RGBABCDE") diff --git a/Tests/test_lib_pack.py b/Tests/test_lib_pack.py index 83872c5d1e8..af7eae935f6 100644 --- a/Tests/test_lib_pack.py +++ b/Tests/test_lib_pack.py @@ -1,158 +1,781 @@ -from helper import unittest, PillowTestCase, py3 +import sys -from PIL import Image - - -class TestLibPack(PillowTestCase): - - def pack(self): - pass # not yet - - def test_pack(self): - - def pack(mode, rawmode, in_data=(1, 2, 3, 4)): - if len(mode) == 1: - im = Image.new(mode, (1, 1), in_data[0]) - else: - im = Image.new(mode, (1, 1), in_data[:len(mode)]) - - if py3: - return list(im.tobytes("raw", rawmode)) - else: - return [ord(c) for c in im.tobytes("raw", rawmode)] - - order = 1 if Image._ENDIAN == '<' else -1 - - self.assertEqual(pack("1", "1"), [128]) - self.assertEqual(pack("1", "1;I"), [0]) - self.assertEqual(pack("1", "1;R"), [1]) - self.assertEqual(pack("1", "1;IR"), [0]) - - self.assertEqual(pack("L", "L"), [1]) - - self.assertEqual(pack("I", "I"), [1, 0, 0, 0][::order]) - - self.assertEqual(pack("F", "F"), [0, 0, 128, 63][::order]) - - self.assertEqual(pack("LA", "LA"), [1, 2]) - - self.assertEqual(pack("RGB", "RGB"), [1, 2, 3]) - self.assertEqual(pack("RGB", "RGB;L"), [1, 2, 3]) - self.assertEqual(pack("RGB", "BGR"), [3, 2, 1]) - self.assertEqual(pack("RGB", "RGBX"), [1, 2, 3, 255]) # 255? - self.assertEqual(pack("RGB", "BGRX"), [3, 2, 1, 0]) - self.assertEqual(pack("RGB", "XRGB"), [0, 1, 2, 3]) - self.assertEqual(pack("RGB", "XBGR"), [0, 3, 2, 1]) - - self.assertEqual(pack("RGBX", "RGBX"), [1, 2, 3, 4]) # 4->255? +import pytest - self.assertEqual(pack("RGBA", "RGBA"), [1, 2, 3, 4]) - self.assertEqual(pack("RGBA", "BGRa"), [0, 0, 0, 4]) - self.assertEqual(pack("RGBA", "BGRa", in_data=(20, 30, 40, 50)), [8, 6, 4, 50]) - - self.assertEqual(pack("RGBa", "RGBa"), [1, 2, 3, 4]) - self.assertEqual(pack("RGBa", "BGRa"), [3, 2, 1, 4]) - self.assertEqual(pack("RGBa", "aBGR"), [4, 3, 2, 1]) - - self.assertEqual(pack("CMYK", "CMYK"), [1, 2, 3, 4]) - self.assertEqual(pack("YCbCr", "YCbCr"), [1, 2, 3]) - - def test_unpack(self): - - def unpack(mode, rawmode, bytes_): - im = None - - if py3: - data = bytes(range(1, bytes_+1)) - else: - data = ''.join(chr(i) for i in range(1, bytes_+1)) - - im = Image.frombytes(mode, (1, 1), data, "raw", rawmode, 0, 1) - - return im.getpixel((0, 0)) - - def unpack_1(mode, rawmode, value): - assert mode == "1" - im = None - - if py3: - im = Image.frombytes( - mode, (8, 1), bytes([value]), "raw", rawmode, 0, 1) - else: - im = Image.frombytes( - mode, (8, 1), chr(value), "raw", rawmode, 0, 1) - - return tuple(im.getdata()) - - X = 255 - - self.assertEqual(unpack_1("1", "1", 1), (0, 0, 0, 0, 0, 0, 0, X)) - self.assertEqual(unpack_1("1", "1;I", 1), (X, X, X, X, X, X, X, 0)) - self.assertEqual(unpack_1("1", "1;R", 1), (X, 0, 0, 0, 0, 0, 0, 0)) - self.assertEqual(unpack_1("1", "1;IR", 1), (0, X, X, X, X, X, X, X)) - - self.assertEqual(unpack_1("1", "1", 170), (X, 0, X, 0, X, 0, X, 0)) - self.assertEqual(unpack_1("1", "1;I", 170), (0, X, 0, X, 0, X, 0, X)) - self.assertEqual(unpack_1("1", "1;R", 170), (0, X, 0, X, 0, X, 0, X)) - self.assertEqual(unpack_1("1", "1;IR", 170), (X, 0, X, 0, X, 0, X, 0)) +from PIL import Image - self.assertEqual(unpack("L", "L;2", 1), 0) - self.assertEqual(unpack("L", "L;4", 1), 0) - self.assertEqual(unpack("L", "L", 1), 1) - self.assertEqual(unpack("L", "L;I", 1), 254) - self.assertEqual(unpack("L", "L;R", 1), 128) - self.assertEqual(unpack("L", "L;16", 2), 2) # little endian - self.assertEqual(unpack("L", "L;16B", 2), 1) # big endian - - self.assertEqual(unpack("LA", "LA", 2), (1, 2)) - self.assertEqual(unpack("LA", "LA;L", 2), (1, 2)) - - self.assertEqual(unpack("RGB", "RGB", 3), (1, 2, 3)) - self.assertEqual(unpack("RGB", "RGB;L", 3), (1, 2, 3)) - self.assertEqual(unpack("RGB", "RGB;R", 3), (128, 64, 192)) - self.assertEqual(unpack("RGB", "RGB;16B", 6), (1, 3, 5)) # ? - self.assertEqual(unpack("RGB", "BGR", 3), (3, 2, 1)) - self.assertEqual(unpack("RGB", "RGB;15", 2), (8, 131, 0)) - self.assertEqual(unpack("RGB", "BGR;15", 2), (0, 131, 8)) - self.assertEqual(unpack("RGB", "RGB;16", 2), (8, 64, 0)) - self.assertEqual(unpack("RGB", "BGR;16", 2), (0, 64, 8)) - self.assertEqual(unpack("RGB", "RGB;4B", 2), (17, 0, 34)) - - self.assertEqual(unpack("RGB", "RGBX", 4), (1, 2, 3)) - self.assertEqual(unpack("RGB", "BGRX", 4), (3, 2, 1)) - self.assertEqual(unpack("RGB", "XRGB", 4), (2, 3, 4)) - self.assertEqual(unpack("RGB", "XBGR", 4), (4, 3, 2)) - - self.assertEqual(unpack("RGBA", "RGBA", 4), (1, 2, 3, 4)) - self.assertEqual(unpack("RGBA", "RGBa", 4), (63, 127, 191, 4)) - self.assertEqual(unpack("RGBA", "BGRA", 4), (3, 2, 1, 4)) - self.assertEqual(unpack("RGBA", "BGRa", 4), (191, 127, 63, 4)) - self.assertEqual(unpack("RGBA", "ARGB", 4), (2, 3, 4, 1)) - self.assertEqual(unpack("RGBA", "ABGR", 4), (4, 3, 2, 1)) - self.assertEqual(unpack("RGBA", "RGBA;15", 2), (8, 131, 0, 0)) - self.assertEqual(unpack("RGBA", "BGRA;15", 2), (0, 131, 8, 0)) - self.assertEqual(unpack("RGBA", "RGBA;4B", 2), (17, 0, 34, 0)) - - self.assertEqual(unpack("RGBa", "RGBa", 4), (1, 2, 3, 4)) - self.assertEqual(unpack("RGBa", "BGRa", 4), (3, 2, 1, 4)) - self.assertEqual(unpack("RGBa", "aRGB", 4), (2, 3, 4, 1)) - self.assertEqual(unpack("RGBa", "aBGR", 4), (4, 3, 2, 1)) - - self.assertEqual(unpack("RGBX", "RGBX", 4), (1, 2, 3, 4)) # 4->255? - self.assertEqual(unpack("RGBX", "BGRX", 4), (3, 2, 1, 255)) - self.assertEqual(unpack("RGBX", "XRGB", 4), (2, 3, 4, 255)) - self.assertEqual(unpack("RGBX", "XBGR", 4), (4, 3, 2, 255)) - self.assertEqual(unpack("RGBX", "RGB;15", 2), (8, 131, 0, 255)) - self.assertEqual(unpack("RGBX", "BGR;15", 2), (0, 131, 8, 255)) - self.assertEqual(unpack("RGBX", "RGB;4B", 2), (17, 0, 34, 255)) - - self.assertEqual(unpack("CMYK", "CMYK", 4), (1, 2, 3, 4)) - self.assertEqual(unpack("CMYK", "CMYK;I", 4), (254, 253, 252, 251)) - - self.assertRaises(ValueError, lambda: unpack("L", "L", 0)) - self.assertRaises(ValueError, lambda: unpack("RGB", "RGB", 2)) - self.assertRaises(ValueError, lambda: unpack("CMYK", "CMYK", 2)) - - -if __name__ == '__main__': - unittest.main() +X = 255 + + +class TestLibPack: + def assert_pack(self, mode, rawmode, data, *pixels): + """ + data - either raw bytes with data or just number of bytes in rawmode. + """ + im = Image.new(mode, (len(pixels), 1)) + for x, pixel in enumerate(pixels): + im.putpixel((x, 0), pixel) + + if isinstance(data, int): + data_len = data * len(pixels) + data = bytes(range(1, data_len + 1)) + + assert data == im.tobytes("raw", rawmode) + + def test_1(self): + self.assert_pack("1", "1", b"\x01", 0, 0, 0, 0, 0, 0, 0, X) + self.assert_pack("1", "1;I", b"\x01", X, X, X, X, X, X, X, 0) + self.assert_pack("1", "1;R", b"\x01", X, 0, 0, 0, 0, 0, 0, 0) + self.assert_pack("1", "1;IR", b"\x01", 0, X, X, X, X, X, X, X) + + self.assert_pack("1", "1", b"\xaa", X, 0, X, 0, X, 0, X, 0) + self.assert_pack("1", "1;I", b"\xaa", 0, X, 0, X, 0, X, 0, X) + self.assert_pack("1", "1;R", b"\xaa", 0, X, 0, X, 0, X, 0, X) + self.assert_pack("1", "1;IR", b"\xaa", X, 0, X, 0, X, 0, X, 0) + + self.assert_pack("1", "L", b"\xff\x00\x00\xff\x00\x00", X, 0, 0, X, 0, 0) + + def test_L(self): + self.assert_pack("L", "L", 1, 1, 2, 3, 4) + self.assert_pack("L", "L;16", b"\x00\xc6\x00\xaf", 198, 175) + self.assert_pack("L", "L;16B", b"\xc6\x00\xaf\x00", 198, 175) + + def test_LA(self): + self.assert_pack("LA", "LA", 2, (1, 2), (3, 4), (5, 6)) + self.assert_pack("LA", "LA;L", 2, (1, 4), (2, 5), (3, 6)) + + def test_La(self): + self.assert_pack("La", "La", 2, (1, 2), (3, 4), (5, 6)) + + def test_P(self): + self.assert_pack("P", "P;1", b"\xe4", 1, 1, 1, 0, 0, 255, 0, 0) + self.assert_pack("P", "P;2", b"\xe4", 3, 2, 1, 0) + self.assert_pack("P", "P;4", b"\x02\xef", 0, 2, 14, 15) + self.assert_pack("P", "P", 1, 1, 2, 3, 4) + + def test_PA(self): + self.assert_pack("PA", "PA", 2, (1, 2), (3, 4), (5, 6)) + self.assert_pack("PA", "PA;L", 2, (1, 4), (2, 5), (3, 6)) + + def test_RGB(self): + self.assert_pack("RGB", "RGB", 3, (1, 2, 3), (4, 5, 6), (7, 8, 9)) + self.assert_pack( + "RGB", "RGBX", b"\x01\x02\x03\xff\x05\x06\x07\xff", (1, 2, 3), (5, 6, 7) + ) + self.assert_pack( + "RGB", "XRGB", b"\x00\x02\x03\x04\x00\x06\x07\x08", (2, 3, 4), (6, 7, 8) + ) + self.assert_pack("RGB", "BGR", 3, (3, 2, 1), (6, 5, 4), (9, 8, 7)) + self.assert_pack( + "RGB", "BGRX", b"\x01\x02\x03\x00\x05\x06\x07\x00", (3, 2, 1), (7, 6, 5) + ) + self.assert_pack( + "RGB", "XBGR", b"\x00\x02\x03\x04\x00\x06\x07\x08", (4, 3, 2), (8, 7, 6) + ) + self.assert_pack("RGB", "RGB;L", 3, (1, 4, 7), (2, 5, 8), (3, 6, 9)) + self.assert_pack("RGB", "R", 1, (1, 9, 9), (2, 9, 9), (3, 9, 9)) + self.assert_pack("RGB", "G", 1, (9, 1, 9), (9, 2, 9), (9, 3, 9)) + self.assert_pack("RGB", "B", 1, (9, 9, 1), (9, 9, 2), (9, 9, 3)) + + def test_RGBA(self): + self.assert_pack("RGBA", "RGBA", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12)) + self.assert_pack( + "RGBA", "RGBA;L", 4, (1, 4, 7, 10), (2, 5, 8, 11), (3, 6, 9, 12) + ) + self.assert_pack("RGBA", "RGB", 3, (1, 2, 3, 14), (4, 5, 6, 15), (7, 8, 9, 16)) + self.assert_pack("RGBA", "BGR", 3, (3, 2, 1, 14), (6, 5, 4, 15), (9, 8, 7, 16)) + self.assert_pack("RGBA", "BGRA", 4, (3, 2, 1, 4), (7, 6, 5, 8), (11, 10, 9, 12)) + self.assert_pack("RGBA", "ABGR", 4, (4, 3, 2, 1), (8, 7, 6, 5), (12, 11, 10, 9)) + self.assert_pack( + "RGBA", + "BGRa", + 4, + (191, 127, 63, 4), + (223, 191, 159, 8), + (233, 212, 191, 12), + ) + self.assert_pack("RGBA", "R", 1, (1, 0, 8, 9), (2, 0, 8, 9), (3, 0, 8, 0)) + self.assert_pack("RGBA", "G", 1, (6, 1, 8, 9), (6, 2, 8, 9), (6, 3, 8, 9)) + self.assert_pack("RGBA", "B", 1, (6, 7, 1, 9), (6, 7, 2, 0), (6, 7, 3, 9)) + self.assert_pack("RGBA", "A", 1, (6, 7, 0, 1), (6, 7, 0, 2), (0, 7, 0, 3)) + + def test_RGBa(self): + self.assert_pack("RGBa", "RGBa", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12)) + self.assert_pack("RGBa", "BGRa", 4, (3, 2, 1, 4), (7, 6, 5, 8), (11, 10, 9, 12)) + self.assert_pack("RGBa", "aBGR", 4, (4, 3, 2, 1), (8, 7, 6, 5), (12, 11, 10, 9)) + + def test_RGBX(self): + self.assert_pack("RGBX", "RGBX", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12)) + self.assert_pack( + "RGBX", "RGBX;L", 4, (1, 4, 7, 10), (2, 5, 8, 11), (3, 6, 9, 12) + ) + self.assert_pack("RGBX", "RGB", 3, (1, 2, 3, X), (4, 5, 6, X), (7, 8, 9, X)) + self.assert_pack("RGBX", "BGR", 3, (3, 2, 1, X), (6, 5, 4, X), (9, 8, 7, X)) + self.assert_pack( + "RGBX", + "BGRX", + b"\x01\x02\x03\x00\x05\x06\x07\x00\t\n\x0b\x00", + (3, 2, 1, X), + (7, 6, 5, X), + (11, 10, 9, X), + ) + self.assert_pack( + "RGBX", + "XBGR", + b"\x00\x02\x03\x04\x00\x06\x07\x08\x00\n\x0b\x0c", + (4, 3, 2, X), + (8, 7, 6, X), + (12, 11, 10, X), + ) + self.assert_pack("RGBX", "R", 1, (1, 0, 8, 9), (2, 0, 8, 9), (3, 0, 8, 0)) + self.assert_pack("RGBX", "G", 1, (6, 1, 8, 9), (6, 2, 8, 9), (6, 3, 8, 9)) + self.assert_pack("RGBX", "B", 1, (6, 7, 1, 9), (6, 7, 2, 0), (6, 7, 3, 9)) + self.assert_pack("RGBX", "X", 1, (6, 7, 0, 1), (6, 7, 0, 2), (0, 7, 0, 3)) + + def test_CMYK(self): + self.assert_pack("CMYK", "CMYK", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12)) + self.assert_pack( + "CMYK", + "CMYK;I", + 4, + (254, 253, 252, 251), + (250, 249, 248, 247), + (246, 245, 244, 243), + ) + self.assert_pack( + "CMYK", "CMYK;L", 4, (1, 4, 7, 10), (2, 5, 8, 11), (3, 6, 9, 12) + ) + self.assert_pack("CMYK", "K", 1, (6, 7, 0, 1), (6, 7, 0, 2), (0, 7, 0, 3)) + + def test_YCbCr(self): + self.assert_pack("YCbCr", "YCbCr", 3, (1, 2, 3), (4, 5, 6), (7, 8, 9)) + self.assert_pack("YCbCr", "YCbCr;L", 3, (1, 4, 7), (2, 5, 8), (3, 6, 9)) + self.assert_pack( + "YCbCr", + "YCbCrX", + b"\x01\x02\x03\xff\x05\x06\x07\xff\t\n\x0b\xff", + (1, 2, 3), + (5, 6, 7), + (9, 10, 11), + ) + self.assert_pack( + "YCbCr", + "YCbCrK", + b"\x01\x02\x03\xff\x05\x06\x07\xff\t\n\x0b\xff", + (1, 2, 3), + (5, 6, 7), + (9, 10, 11), + ) + self.assert_pack("YCbCr", "Y", 1, (1, 0, 8, 9), (2, 0, 8, 9), (3, 0, 8, 0)) + self.assert_pack("YCbCr", "Cb", 1, (6, 1, 8, 9), (6, 2, 8, 9), (6, 3, 8, 9)) + self.assert_pack("YCbCr", "Cr", 1, (6, 7, 1, 9), (6, 7, 2, 0), (6, 7, 3, 9)) + + def test_LAB(self): + self.assert_pack("LAB", "LAB", 3, (1, 130, 131), (4, 133, 134), (7, 136, 137)) + self.assert_pack("LAB", "L", 1, (1, 9, 9), (2, 9, 9), (3, 9, 9)) + self.assert_pack("LAB", "A", 1, (9, 1, 9), (9, 2, 9), (9, 3, 9)) + self.assert_pack("LAB", "B", 1, (9, 9, 1), (9, 9, 2), (9, 9, 3)) + + def test_HSV(self): + self.assert_pack("HSV", "HSV", 3, (1, 2, 3), (4, 5, 6), (7, 8, 9)) + self.assert_pack("HSV", "H", 1, (1, 9, 9), (2, 9, 9), (3, 9, 9)) + self.assert_pack("HSV", "S", 1, (9, 1, 9), (9, 2, 9), (9, 3, 9)) + self.assert_pack("HSV", "V", 1, (9, 9, 1), (9, 9, 2), (9, 9, 3)) + + def test_I(self): + self.assert_pack("I", "I;16B", 2, 0x0102, 0x0304) + self.assert_pack( + "I", "I;32S", b"\x83\x00\x00\x01\x01\x00\x00\x83", 0x01000083, -2097151999 + ) + + if sys.byteorder == "little": + self.assert_pack("I", "I", 4, 0x04030201, 0x08070605) + self.assert_pack( + "I", + "I;32NS", + b"\x83\x00\x00\x01\x01\x00\x00\x83", + 0x01000083, + -2097151999, + ) + else: + self.assert_pack("I", "I", 4, 0x01020304, 0x05060708) + self.assert_pack( + "I", + "I;32NS", + b"\x83\x00\x00\x01\x01\x00\x00\x83", + -2097151999, + 0x01000083, + ) + + def test_F_float(self): + self.assert_pack("F", "F;32F", 4, 1.539989614439558e-36, 4.063216068939723e-34) + + if sys.byteorder == "little": + self.assert_pack("F", "F", 4, 1.539989614439558e-36, 4.063216068939723e-34) + self.assert_pack( + "F", "F;32NF", 4, 1.539989614439558e-36, 4.063216068939723e-34 + ) + else: + self.assert_pack("F", "F", 4, 2.387939260590663e-38, 6.301941157072183e-36) + self.assert_pack( + "F", "F;32NF", 4, 2.387939260590663e-38, 6.301941157072183e-36 + ) + + +class TestLibUnpack: + def assert_unpack(self, mode, rawmode, data, *pixels): + """ + data - either raw bytes with data or just number of bytes in rawmode. + """ + if isinstance(data, int): + data_len = data * len(pixels) + data = bytes(range(1, data_len + 1)) + + im = Image.frombytes(mode, (len(pixels), 1), data, "raw", rawmode, 0, 1) + + for x, pixel in enumerate(pixels): + assert pixel == im.getpixel((x, 0)) + + def test_1(self): + self.assert_unpack("1", "1", b"\x01", 0, 0, 0, 0, 0, 0, 0, X) + self.assert_unpack("1", "1;I", b"\x01", X, X, X, X, X, X, X, 0) + self.assert_unpack("1", "1;R", b"\x01", X, 0, 0, 0, 0, 0, 0, 0) + self.assert_unpack("1", "1;IR", b"\x01", 0, X, X, X, X, X, X, X) + + self.assert_unpack("1", "1", b"\xaa", X, 0, X, 0, X, 0, X, 0) + self.assert_unpack("1", "1;I", b"\xaa", 0, X, 0, X, 0, X, 0, X) + self.assert_unpack("1", "1;R", b"\xaa", 0, X, 0, X, 0, X, 0, X) + self.assert_unpack("1", "1;IR", b"\xaa", X, 0, X, 0, X, 0, X, 0) + + self.assert_unpack("1", "1;8", b"\x00\x01\x02\xff", 0, X, X, X) + + def test_L(self): + self.assert_unpack("L", "L;2", b"\xe4", 255, 170, 85, 0) + self.assert_unpack("L", "L;2I", b"\xe4", 0, 85, 170, 255) + self.assert_unpack("L", "L;2R", b"\xe4", 0, 170, 85, 255) + self.assert_unpack("L", "L;2IR", b"\xe4", 255, 85, 170, 0) + + self.assert_unpack("L", "L;4", b"\x02\xef", 0, 34, 238, 255) + self.assert_unpack("L", "L;4I", b"\x02\xef", 255, 221, 17, 0) + self.assert_unpack("L", "L;4R", b"\x02\xef", 68, 0, 255, 119) + self.assert_unpack("L", "L;4IR", b"\x02\xef", 187, 255, 0, 136) + + self.assert_unpack("L", "L", 1, 1, 2, 3, 4) + self.assert_unpack("L", "L;I", 1, 254, 253, 252, 251) + self.assert_unpack("L", "L;R", 1, 128, 64, 192, 32) + self.assert_unpack("L", "L;16", 2, 2, 4, 6, 8) + self.assert_unpack("L", "L;16B", 2, 1, 3, 5, 7) + self.assert_unpack("L", "L;16", b"\x00\xc6\x00\xaf", 198, 175) + self.assert_unpack("L", "L;16B", b"\xc6\x00\xaf\x00", 198, 175) + + def test_LA(self): + self.assert_unpack("LA", "LA", 2, (1, 2), (3, 4), (5, 6)) + self.assert_unpack("LA", "LA;L", 2, (1, 4), (2, 5), (3, 6)) + + def test_La(self): + self.assert_unpack("La", "La", 2, (1, 2), (3, 4), (5, 6)) + + def test_P(self): + self.assert_unpack("P", "P;1", b"\xe4", 1, 1, 1, 0, 0, 1, 0, 0) + self.assert_unpack("P", "P;2", b"\xe4", 3, 2, 1, 0) + # erroneous? + # self.assert_unpack("P", "P;2L", b'\xe4', 1, 1, 1, 0) + self.assert_unpack("P", "P;4", b"\x02\xef", 0, 2, 14, 15) + # erroneous? + # self.assert_unpack("P", "P;4L", b'\x02\xef', 2, 10, 10, 0) + self.assert_unpack("P", "P", 1, 1, 2, 3, 4) + self.assert_unpack("P", "P;R", 1, 128, 64, 192, 32) + + def test_PA(self): + self.assert_unpack("PA", "PA", 2, (1, 2), (3, 4), (5, 6)) + self.assert_unpack("PA", "PA;L", 2, (1, 4), (2, 5), (3, 6)) + + def test_RGB(self): + self.assert_unpack("RGB", "RGB", 3, (1, 2, 3), (4, 5, 6), (7, 8, 9)) + self.assert_unpack("RGB", "RGB;L", 3, (1, 4, 7), (2, 5, 8), (3, 6, 9)) + self.assert_unpack("RGB", "RGB;R", 3, (128, 64, 192), (32, 160, 96)) + self.assert_unpack("RGB", "RGB;16L", 6, (2, 4, 6), (8, 10, 12)) + self.assert_unpack("RGB", "RGB;16B", 6, (1, 3, 5), (7, 9, 11)) + self.assert_unpack("RGB", "BGR", 3, (3, 2, 1), (6, 5, 4), (9, 8, 7)) + self.assert_unpack("RGB", "RGB;15", 2, (8, 131, 0), (24, 0, 8)) + self.assert_unpack("RGB", "BGR;15", 2, (0, 131, 8), (8, 0, 24)) + self.assert_unpack("RGB", "RGB;16", 2, (8, 64, 0), (24, 129, 0)) + self.assert_unpack("RGB", "BGR;16", 2, (0, 64, 8), (0, 129, 24)) + self.assert_unpack("RGB", "RGB;4B", 2, (17, 0, 34), (51, 0, 68)) + self.assert_unpack("RGB", "RGBX", 4, (1, 2, 3), (5, 6, 7), (9, 10, 11)) + self.assert_unpack("RGB", "RGBX;L", 4, (1, 4, 7), (2, 5, 8), (3, 6, 9)) + self.assert_unpack("RGB", "BGRX", 4, (3, 2, 1), (7, 6, 5), (11, 10, 9)) + self.assert_unpack("RGB", "XRGB", 4, (2, 3, 4), (6, 7, 8), (10, 11, 12)) + self.assert_unpack("RGB", "XBGR", 4, (4, 3, 2), (8, 7, 6), (12, 11, 10)) + self.assert_unpack( + "RGB", + "YCC;P", + b"D]\x9c\x82\x1a\x91\xfaOC\xe7J\x12", # random data + (127, 102, 0), + (192, 227, 0), + (213, 255, 170), + (98, 255, 133), + ) + self.assert_unpack("RGB", "R", 1, (1, 0, 0), (2, 0, 0), (3, 0, 0)) + self.assert_unpack("RGB", "G", 1, (0, 1, 0), (0, 2, 0), (0, 3, 0)) + self.assert_unpack("RGB", "B", 1, (0, 0, 1), (0, 0, 2), (0, 0, 3)) + + self.assert_unpack("RGB", "R;16B", 2, (1, 0, 0), (3, 0, 0), (5, 0, 0)) + self.assert_unpack("RGB", "G;16B", 2, (0, 1, 0), (0, 3, 0), (0, 5, 0)) + self.assert_unpack("RGB", "B;16B", 2, (0, 0, 1), (0, 0, 3), (0, 0, 5)) + + self.assert_unpack("RGB", "R;16L", 2, (2, 0, 0), (4, 0, 0), (6, 0, 0)) + self.assert_unpack("RGB", "G;16L", 2, (0, 2, 0), (0, 4, 0), (0, 6, 0)) + self.assert_unpack("RGB", "B;16L", 2, (0, 0, 2), (0, 0, 4), (0, 0, 6)) + + if sys.byteorder == "little": + self.assert_unpack("RGB", "R;16N", 2, (2, 0, 0), (4, 0, 0), (6, 0, 0)) + self.assert_unpack("RGB", "G;16N", 2, (0, 2, 0), (0, 4, 0), (0, 6, 0)) + self.assert_unpack("RGB", "B;16N", 2, (0, 0, 2), (0, 0, 4), (0, 0, 6)) + else: + self.assert_unpack("RGB", "R;16N", 2, (1, 0, 0), (3, 0, 0), (5, 0, 0)) + self.assert_unpack("RGB", "G;16N", 2, (0, 1, 0), (0, 3, 0), (0, 5, 0)) + self.assert_unpack("RGB", "B;16N", 2, (0, 0, 1), (0, 0, 3), (0, 0, 5)) + + def test_RGBA(self): + self.assert_unpack("RGBA", "LA", 2, (1, 1, 1, 2), (3, 3, 3, 4), (5, 5, 5, 6)) + self.assert_unpack( + "RGBA", "LA;16B", 4, (1, 1, 1, 3), (5, 5, 5, 7), (9, 9, 9, 11) + ) + self.assert_unpack( + "RGBA", "RGBA", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12) + ) + self.assert_unpack( + "RGBA", "RGBAX", 5, (1, 2, 3, 4), (6, 7, 8, 9), (11, 12, 13, 14) + ) + self.assert_unpack( + "RGBA", "RGBAXX", 6, (1, 2, 3, 4), (7, 8, 9, 10), (13, 14, 15, 16) + ) + self.assert_unpack( + "RGBA", + "RGBa", + 4, + (63, 127, 191, 4), + (159, 191, 223, 8), + (191, 212, 233, 12), + ) + self.assert_unpack( + "RGBA", + "RGBa", + b"\x01\x02\x03\x00\x10\x20\x30\x7f\x10\x20\x30\xff", + (0, 0, 0, 0), + (32, 64, 96, 127), + (16, 32, 48, 255), + ) + self.assert_unpack( + "RGBA", + "RGBaX", + b"\x01\x02\x03\x00-\x10\x20\x30\x7f-\x10\x20\x30\xff-", + (0, 0, 0, 0), + (32, 64, 96, 127), + (16, 32, 48, 255), + ) + self.assert_unpack( + "RGBA", + "RGBaXX", + b"\x01\x02\x03\x00==\x10\x20\x30\x7f!!\x10\x20\x30\xff??", + (0, 0, 0, 0), + (32, 64, 96, 127), + (16, 32, 48, 255), + ) + self.assert_unpack( + "RGBA", + "RGBa;16L", + 8, + (63, 127, 191, 8), + (159, 191, 223, 16), + (191, 212, 233, 24), + ) + self.assert_unpack( + "RGBA", + "RGBa;16L", + b"\x88\x01\x88\x02\x88\x03\x88\x00\x88\x10\x88\x20\x88\x30\x88\xff", + (0, 0, 0, 0), + (16, 32, 48, 255), + ) + self.assert_unpack( + "RGBA", + "RGBa;16B", + 8, + (36, 109, 182, 7), + (153, 187, 221, 15), + (188, 210, 232, 23), + ) + self.assert_unpack( + "RGBA", + "RGBa;16B", + b"\x01\x88\x02\x88\x03\x88\x00\x88\x10\x88\x20\x88\x30\x88\xff\x88", + (0, 0, 0, 0), + (16, 32, 48, 255), + ) + self.assert_unpack( + "RGBA", + "BGRa", + 4, + (191, 127, 63, 4), + (223, 191, 159, 8), + (233, 212, 191, 12), + ) + self.assert_unpack( + "RGBA", + "BGRa", + b"\x01\x02\x03\x00\x10\x20\x30\xff", + (0, 0, 0, 0), + (48, 32, 16, 255), + ) + self.assert_unpack( + "RGBA", + "RGBA;I", + 4, + (254, 253, 252, 4), + (250, 249, 248, 8), + (246, 245, 244, 12), + ) + self.assert_unpack( + "RGBA", "RGBA;L", 4, (1, 4, 7, 10), (2, 5, 8, 11), (3, 6, 9, 12) + ) + self.assert_unpack("RGBA", "RGBA;15", 2, (8, 131, 0, 0), (24, 0, 8, 0)) + self.assert_unpack("RGBA", "BGRA;15", 2, (0, 131, 8, 0), (8, 0, 24, 0)) + self.assert_unpack("RGBA", "RGBA;4B", 2, (17, 0, 34, 0), (51, 0, 68, 0)) + self.assert_unpack("RGBA", "RGBA;16L", 8, (2, 4, 6, 8), (10, 12, 14, 16)) + self.assert_unpack("RGBA", "RGBA;16B", 8, (1, 3, 5, 7), (9, 11, 13, 15)) + self.assert_unpack( + "RGBA", "BGRA", 4, (3, 2, 1, 4), (7, 6, 5, 8), (11, 10, 9, 12) + ) + self.assert_unpack( + "RGBA", "ARGB", 4, (2, 3, 4, 1), (6, 7, 8, 5), (10, 11, 12, 9) + ) + self.assert_unpack( + "RGBA", "ABGR", 4, (4, 3, 2, 1), (8, 7, 6, 5), (12, 11, 10, 9) + ) + self.assert_unpack( + "RGBA", + "YCCA;P", + b"]bE\x04\xdd\xbej\xed57T\xce\xac\xce:\x11", # random data + (0, 161, 0, 4), + (255, 255, 255, 237), + (27, 158, 0, 206), + (0, 118, 0, 17), + ) + self.assert_unpack("RGBA", "R", 1, (1, 0, 0, 0), (2, 0, 0, 0), (3, 0, 0, 0)) + self.assert_unpack("RGBA", "G", 1, (0, 1, 0, 0), (0, 2, 0, 0), (0, 3, 0, 0)) + self.assert_unpack("RGBA", "B", 1, (0, 0, 1, 0), (0, 0, 2, 0), (0, 0, 3, 0)) + self.assert_unpack("RGBA", "A", 1, (0, 0, 0, 1), (0, 0, 0, 2), (0, 0, 0, 3)) + + self.assert_unpack("RGBA", "R;16B", 2, (1, 0, 0, 0), (3, 0, 0, 0), (5, 0, 0, 0)) + self.assert_unpack("RGBA", "G;16B", 2, (0, 1, 0, 0), (0, 3, 0, 0), (0, 5, 0, 0)) + self.assert_unpack("RGBA", "B;16B", 2, (0, 0, 1, 0), (0, 0, 3, 0), (0, 0, 5, 0)) + self.assert_unpack("RGBA", "A;16B", 2, (0, 0, 0, 1), (0, 0, 0, 3), (0, 0, 0, 5)) + + self.assert_unpack("RGBA", "R;16L", 2, (2, 0, 0, 0), (4, 0, 0, 0), (6, 0, 0, 0)) + self.assert_unpack("RGBA", "G;16L", 2, (0, 2, 0, 0), (0, 4, 0, 0), (0, 6, 0, 0)) + self.assert_unpack("RGBA", "B;16L", 2, (0, 0, 2, 0), (0, 0, 4, 0), (0, 0, 6, 0)) + self.assert_unpack("RGBA", "A;16L", 2, (0, 0, 0, 2), (0, 0, 0, 4), (0, 0, 0, 6)) + + if sys.byteorder == "little": + self.assert_unpack( + "RGBA", "R;16N", 2, (2, 0, 0, 0), (4, 0, 0, 0), (6, 0, 0, 0) + ) + self.assert_unpack( + "RGBA", "G;16N", 2, (0, 2, 0, 0), (0, 4, 0, 0), (0, 6, 0, 0) + ) + self.assert_unpack( + "RGBA", "B;16N", 2, (0, 0, 2, 0), (0, 0, 4, 0), (0, 0, 6, 0) + ) + self.assert_unpack( + "RGBA", "A;16N", 2, (0, 0, 0, 2), (0, 0, 0, 4), (0, 0, 0, 6) + ) + else: + self.assert_unpack( + "RGBA", "R;16N", 2, (1, 0, 0, 0), (3, 0, 0, 0), (5, 0, 0, 0) + ) + self.assert_unpack( + "RGBA", "G;16N", 2, (0, 1, 0, 0), (0, 3, 0, 0), (0, 5, 0, 0) + ) + self.assert_unpack( + "RGBA", "B;16N", 2, (0, 0, 1, 0), (0, 0, 3, 0), (0, 0, 5, 0) + ) + self.assert_unpack( + "RGBA", "A;16N", 2, (0, 0, 0, 1), (0, 0, 0, 3), (0, 0, 0, 5) + ) + + def test_RGBa(self): + self.assert_unpack( + "RGBa", "RGBa", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12) + ) + self.assert_unpack( + "RGBa", "BGRa", 4, (3, 2, 1, 4), (7, 6, 5, 8), (11, 10, 9, 12) + ) + self.assert_unpack( + "RGBa", "aRGB", 4, (2, 3, 4, 1), (6, 7, 8, 5), (10, 11, 12, 9) + ) + self.assert_unpack( + "RGBa", "aBGR", 4, (4, 3, 2, 1), (8, 7, 6, 5), (12, 11, 10, 9) + ) + + def test_RGBX(self): + self.assert_unpack("RGBX", "RGB", 3, (1, 2, 3, X), (4, 5, 6, X), (7, 8, 9, X)) + self.assert_unpack("RGBX", "RGB;L", 3, (1, 4, 7, X), (2, 5, 8, X), (3, 6, 9, X)) + self.assert_unpack("RGBX", "RGB;16B", 6, (1, 3, 5, X), (7, 9, 11, X)) + self.assert_unpack("RGBX", "BGR", 3, (3, 2, 1, X), (6, 5, 4, X), (9, 8, 7, X)) + self.assert_unpack("RGBX", "RGB;15", 2, (8, 131, 0, X), (24, 0, 8, X)) + self.assert_unpack("RGBX", "BGR;15", 2, (0, 131, 8, X), (8, 0, 24, X)) + self.assert_unpack("RGBX", "RGB;4B", 2, (17, 0, 34, X), (51, 0, 68, X)) + self.assert_unpack( + "RGBX", "RGBX", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12) + ) + self.assert_unpack( + "RGBX", "RGBXX", 5, (1, 2, 3, 4), (6, 7, 8, 9), (11, 12, 13, 14) + ) + self.assert_unpack( + "RGBX", "RGBXXX", 6, (1, 2, 3, 4), (7, 8, 9, 10), (13, 14, 15, 16) + ) + self.assert_unpack( + "RGBX", "RGBX;L", 4, (1, 4, 7, 10), (2, 5, 8, 11), (3, 6, 9, 12) + ) + self.assert_unpack("RGBX", "RGBX;16L", 8, (2, 4, 6, 8), (10, 12, 14, 16)) + self.assert_unpack("RGBX", "RGBX;16B", 8, (1, 3, 5, 7), (9, 11, 13, 15)) + self.assert_unpack( + "RGBX", "BGRX", 4, (3, 2, 1, X), (7, 6, 5, X), (11, 10, 9, X) + ) + self.assert_unpack( + "RGBX", "XRGB", 4, (2, 3, 4, X), (6, 7, 8, X), (10, 11, 12, X) + ) + self.assert_unpack( + "RGBX", "XBGR", 4, (4, 3, 2, X), (8, 7, 6, X), (12, 11, 10, X) + ) + self.assert_unpack( + "RGBX", + "YCC;P", + b"D]\x9c\x82\x1a\x91\xfaOC\xe7J\x12", # random data + (127, 102, 0, X), + (192, 227, 0, X), + (213, 255, 170, X), + (98, 255, 133, X), + ) + self.assert_unpack("RGBX", "R", 1, (1, 0, 0, 0), (2, 0, 0, 0), (3, 0, 0, 0)) + self.assert_unpack("RGBX", "G", 1, (0, 1, 0, 0), (0, 2, 0, 0), (0, 3, 0, 0)) + self.assert_unpack("RGBX", "B", 1, (0, 0, 1, 0), (0, 0, 2, 0), (0, 0, 3, 0)) + self.assert_unpack("RGBX", "X", 1, (0, 0, 0, 1), (0, 0, 0, 2), (0, 0, 0, 3)) + + def test_CMYK(self): + self.assert_unpack( + "CMYK", "CMYK", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12) + ) + self.assert_unpack( + "CMYK", "CMYKX", 5, (1, 2, 3, 4), (6, 7, 8, 9), (11, 12, 13, 14) + ) + self.assert_unpack( + "CMYK", "CMYKXX", 6, (1, 2, 3, 4), (7, 8, 9, 10), (13, 14, 15, 16) + ) + self.assert_unpack( + "CMYK", + "CMYK;I", + 4, + (254, 253, 252, 251), + (250, 249, 248, 247), + (246, 245, 244, 243), + ) + self.assert_unpack( + "CMYK", "CMYK;L", 4, (1, 4, 7, 10), (2, 5, 8, 11), (3, 6, 9, 12) + ) + self.assert_unpack("CMYK", "C", 1, (1, 0, 0, 0), (2, 0, 0, 0), (3, 0, 0, 0)) + self.assert_unpack("CMYK", "M", 1, (0, 1, 0, 0), (0, 2, 0, 0), (0, 3, 0, 0)) + self.assert_unpack("CMYK", "Y", 1, (0, 0, 1, 0), (0, 0, 2, 0), (0, 0, 3, 0)) + self.assert_unpack("CMYK", "K", 1, (0, 0, 0, 1), (0, 0, 0, 2), (0, 0, 0, 3)) + self.assert_unpack( + "CMYK", "C;I", 1, (254, 0, 0, 0), (253, 0, 0, 0), (252, 0, 0, 0) + ) + self.assert_unpack( + "CMYK", "M;I", 1, (0, 254, 0, 0), (0, 253, 0, 0), (0, 252, 0, 0) + ) + self.assert_unpack( + "CMYK", "Y;I", 1, (0, 0, 254, 0), (0, 0, 253, 0), (0, 0, 252, 0) + ) + self.assert_unpack( + "CMYK", "K;I", 1, (0, 0, 0, 254), (0, 0, 0, 253), (0, 0, 0, 252) + ) + + def test_YCbCr(self): + self.assert_unpack("YCbCr", "YCbCr", 3, (1, 2, 3), (4, 5, 6), (7, 8, 9)) + self.assert_unpack("YCbCr", "YCbCr;L", 3, (1, 4, 7), (2, 5, 8), (3, 6, 9)) + self.assert_unpack("YCbCr", "YCbCrK", 4, (1, 2, 3), (5, 6, 7), (9, 10, 11)) + self.assert_unpack("YCbCr", "YCbCrX", 4, (1, 2, 3), (5, 6, 7), (9, 10, 11)) + + def test_LAB(self): + self.assert_unpack("LAB", "LAB", 3, (1, 130, 131), (4, 133, 134), (7, 136, 137)) + self.assert_unpack("LAB", "L", 1, (1, 0, 0), (2, 0, 0), (3, 0, 0)) + self.assert_unpack("LAB", "A", 1, (0, 1, 0), (0, 2, 0), (0, 3, 0)) + self.assert_unpack("LAB", "B", 1, (0, 0, 1), (0, 0, 2), (0, 0, 3)) + + def test_HSV(self): + self.assert_unpack("HSV", "HSV", 3, (1, 2, 3), (4, 5, 6), (7, 8, 9)) + self.assert_unpack("HSV", "H", 1, (1, 0, 0), (2, 0, 0), (3, 0, 0)) + self.assert_unpack("HSV", "S", 1, (0, 1, 0), (0, 2, 0), (0, 3, 0)) + self.assert_unpack("HSV", "V", 1, (0, 0, 1), (0, 0, 2), (0, 0, 3)) + + def test_I(self): + self.assert_unpack("I", "I;8", 1, 0x01, 0x02, 0x03, 0x04) + self.assert_unpack("I", "I;8S", b"\x01\x83", 1, -125) + self.assert_unpack("I", "I;16", 2, 0x0201, 0x0403) + self.assert_unpack("I", "I;16S", b"\x83\x01\x01\x83", 0x0183, -31999) + self.assert_unpack("I", "I;16B", 2, 0x0102, 0x0304) + self.assert_unpack("I", "I;16BS", b"\x83\x01\x01\x83", -31999, 0x0183) + self.assert_unpack("I", "I;32", 4, 0x04030201, 0x08070605) + self.assert_unpack( + "I", "I;32S", b"\x83\x00\x00\x01\x01\x00\x00\x83", 0x01000083, -2097151999 + ) + self.assert_unpack("I", "I;32B", 4, 0x01020304, 0x05060708) + self.assert_unpack( + "I", "I;32BS", b"\x83\x00\x00\x01\x01\x00\x00\x83", -2097151999, 0x01000083 + ) + + if sys.byteorder == "little": + self.assert_unpack("I", "I", 4, 0x04030201, 0x08070605) + self.assert_unpack("I", "I;16N", 2, 0x0201, 0x0403) + self.assert_unpack("I", "I;16NS", b"\x83\x01\x01\x83", 0x0183, -31999) + self.assert_unpack("I", "I;32N", 4, 0x04030201, 0x08070605) + self.assert_unpack( + "I", + "I;32NS", + b"\x83\x00\x00\x01\x01\x00\x00\x83", + 0x01000083, + -2097151999, + ) + else: + self.assert_unpack("I", "I", 4, 0x01020304, 0x05060708) + self.assert_unpack("I", "I;16N", 2, 0x0102, 0x0304) + self.assert_unpack("I", "I;16NS", b"\x83\x01\x01\x83", -31999, 0x0183) + self.assert_unpack("I", "I;32N", 4, 0x01020304, 0x05060708) + self.assert_unpack( + "I", + "I;32NS", + b"\x83\x00\x00\x01\x01\x00\x00\x83", + -2097151999, + 0x01000083, + ) + + def test_F_int(self): + self.assert_unpack("F", "F;8", 1, 0x01, 0x02, 0x03, 0x04) + self.assert_unpack("F", "F;8S", b"\x01\x83", 1, -125) + self.assert_unpack("F", "F;16", 2, 0x0201, 0x0403) + self.assert_unpack("F", "F;16S", b"\x83\x01\x01\x83", 0x0183, -31999) + self.assert_unpack("F", "F;16B", 2, 0x0102, 0x0304) + self.assert_unpack("F", "F;16BS", b"\x83\x01\x01\x83", -31999, 0x0183) + self.assert_unpack("F", "F;32", 4, 67305984, 134678016) + self.assert_unpack( + "F", "F;32S", b"\x83\x00\x00\x01\x01\x00\x00\x83", 16777348, -2097152000 + ) + self.assert_unpack("F", "F;32B", 4, 0x01020304, 0x05060708) + self.assert_unpack( + "F", "F;32BS", b"\x83\x00\x00\x01\x01\x00\x00\x83", -2097152000, 16777348 + ) + + if sys.byteorder == "little": + self.assert_unpack("F", "F;16N", 2, 0x0201, 0x0403) + self.assert_unpack("F", "F;16NS", b"\x83\x01\x01\x83", 0x0183, -31999) + self.assert_unpack("F", "F;32N", 4, 67305984, 134678016) + self.assert_unpack( + "F", + "F;32NS", + b"\x83\x00\x00\x01\x01\x00\x00\x83", + 16777348, + -2097152000, + ) + else: + self.assert_unpack("F", "F;16N", 2, 0x0102, 0x0304) + self.assert_unpack("F", "F;16NS", b"\x83\x01\x01\x83", -31999, 0x0183) + self.assert_unpack("F", "F;32N", 4, 0x01020304, 0x05060708) + self.assert_unpack( + "F", + "F;32NS", + b"\x83\x00\x00\x01\x01\x00\x00\x83", + -2097152000, + 16777348, + ) + + def test_F_float(self): + self.assert_unpack( + "F", "F;32F", 4, 1.539989614439558e-36, 4.063216068939723e-34 + ) + self.assert_unpack( + "F", "F;32BF", 4, 2.387939260590663e-38, 6.301941157072183e-36 + ) + self.assert_unpack( + "F", + "F;64F", + b"333333\xc3?\x00\x00\x00\x00\x00J\x93\xc0", # by struct.pack + 0.15000000596046448, + -1234.5, + ) + self.assert_unpack( + "F", + "F;64BF", + b"?\xc3333333\xc0\x93J\x00\x00\x00\x00\x00", # by struct.pack + 0.15000000596046448, + -1234.5, + ) + + if sys.byteorder == "little": + self.assert_unpack( + "F", "F", 4, 1.539989614439558e-36, 4.063216068939723e-34 + ) + self.assert_unpack( + "F", "F;32NF", 4, 1.539989614439558e-36, 4.063216068939723e-34 + ) + self.assert_unpack( + "F", + "F;64NF", + b"333333\xc3?\x00\x00\x00\x00\x00J\x93\xc0", + 0.15000000596046448, + -1234.5, + ) + else: + self.assert_unpack( + "F", "F", 4, 2.387939260590663e-38, 6.301941157072183e-36 + ) + self.assert_unpack( + "F", "F;32NF", 4, 2.387939260590663e-38, 6.301941157072183e-36 + ) + self.assert_unpack( + "F", + "F;64NF", + b"?\xc3333333\xc0\x93J\x00\x00\x00\x00\x00", + 0.15000000596046448, + -1234.5, + ) + + def test_I16(self): + self.assert_unpack("I;16", "I;16", 2, 0x0201, 0x0403, 0x0605) + self.assert_unpack("I;16B", "I;16B", 2, 0x0102, 0x0304, 0x0506) + self.assert_unpack("I;16L", "I;16L", 2, 0x0201, 0x0403, 0x0605) + self.assert_unpack("I;16", "I;12", 2, 0x0010, 0x0203, 0x0040) + if sys.byteorder == "little": + self.assert_unpack("I;16", "I;16N", 2, 0x0201, 0x0403, 0x0605) + self.assert_unpack("I;16B", "I;16N", 2, 0x0201, 0x0403, 0x0605) + self.assert_unpack("I;16L", "I;16N", 2, 0x0201, 0x0403, 0x0605) + else: + self.assert_unpack("I;16", "I;16N", 2, 0x0102, 0x0304, 0x0506) + self.assert_unpack("I;16B", "I;16N", 2, 0x0102, 0x0304, 0x0506) + self.assert_unpack("I;16L", "I;16N", 2, 0x0102, 0x0304, 0x0506) + + def test_CMYK16(self): + self.assert_unpack("CMYK", "CMYK;16L", 8, (2, 4, 6, 8), (10, 12, 14, 16)) + self.assert_unpack("CMYK", "CMYK;16B", 8, (1, 3, 5, 7), (9, 11, 13, 15)) + if sys.byteorder == "little": + self.assert_unpack("CMYK", "CMYK;16N", 8, (2, 4, 6, 8), (10, 12, 14, 16)) + else: + self.assert_unpack("CMYK", "CMYK;16N", 8, (1, 3, 5, 7), (9, 11, 13, 15)) + + def test_value_error(self): + with pytest.raises(ValueError): + self.assert_unpack("L", "L", 0, 0) + with pytest.raises(ValueError): + self.assert_unpack("RGB", "RGB", 2, 0) + with pytest.raises(ValueError): + self.assert_unpack("CMYK", "CMYK", 2, 0) diff --git a/Tests/test_locale.py b/Tests/test_locale.py index 3f6ce0ade28..7a07fbbe0a4 100644 --- a/Tests/test_locale.py +++ b/Tests/test_locale.py @@ -1,17 +1,17 @@ -from helper import unittest, PillowTestCase +import locale -from PIL import Image +import pytest -import locale +from PIL import Image # ref https://github.com/python-pillow/Pillow/issues/272 # on windows, in polish locale: # import locale -# print locale.setlocale(locale.LC_ALL, 'polish') +# print(locale.setlocale(locale.LC_ALL, 'polish')) # import string -# print len(string.whitespace) -# print ord(string.whitespace[6]) +# print(len(string.whitespace)) +# print(ord(string.whitespace[6])) # Polish_Poland.1250 # 7 @@ -22,16 +22,16 @@ path = "Tests/images/hopper.jpg" -class TestLocale(PillowTestCase): - - def test_sanity(self): - Image.open(path) - try: - locale.setlocale(locale.LC_ALL, "polish") - except: - unittest.skip('Polish locale not available') - Image.open(path) - +def test_sanity(): + with Image.open(path): + pass + try: + locale.setlocale(locale.LC_ALL, "polish") + except locale.Error: + pytest.skip("Polish locale not available") -if __name__ == '__main__': - unittest.main() + try: + with Image.open(path): + pass + finally: + locale.setlocale(locale.LC_ALL, (None, None)) diff --git a/Tests/test_main.py b/Tests/test_main.py new file mode 100644 index 00000000000..46ff63c4e97 --- /dev/null +++ b/Tests/test_main.py @@ -0,0 +1,32 @@ +import os +import subprocess +import sys + + +def test_main(): + out = subprocess.check_output([sys.executable, "-m", "PIL"]).decode("utf-8") + lines = out.splitlines() + assert lines[0] == "-" * 68 + assert lines[1].startswith("Pillow ") + assert lines[2].startswith("Python ") + lines = lines[3:] + while lines[0].startswith(" "): + lines = lines[1:] + assert lines[0] == "-" * 68 + assert lines[1].startswith("Python modules loaded from ") + assert lines[2].startswith("Binary modules loaded from ") + assert lines[3] == "-" * 68 + jpeg = ( + os.linesep + + "-" * 68 + + os.linesep + + "JPEG image/jpeg" + + os.linesep + + "Extensions: .jfif, .jpe, .jpeg, .jpg" + + os.linesep + + "Features: open, save" + + os.linesep + + "-" * 68 + + os.linesep + ) + assert jpeg in out diff --git a/Tests/test_map.py b/Tests/test_map.py index 14bd835a209..42f3447ebfd 100644 --- a/Tests/test_map.py +++ b/Tests/test_map.py @@ -1,28 +1,45 @@ -from helper import PillowTestCase, unittest import sys +import pytest + from PIL import Image -@unittest.skipIf(sys.platform.startswith('win32'), "Win32 does not call map_buffer") -class TestMap(PillowTestCase): - def test_overflow(self): - # There is the potential to overflow comparisons in map.c - # if there are > SIZE_MAX bytes in the image or if - # the file encodes an offset that makes - # (offset + size(bytes)) > SIZE_MAX +def test_overflow(): + # There is the potential to overflow comparisons in map.c + # if there are > SIZE_MAX bytes in the image or if + # the file encodes an offset that makes + # (offset + size(bytes)) > SIZE_MAX - # Note that this image triggers the decompression bomb warning: - max_pixels = Image.MAX_IMAGE_PIXELS - Image.MAX_IMAGE_PIXELS = None + # Note that this image triggers the decompression bomb warning: + max_pixels = Image.MAX_IMAGE_PIXELS + Image.MAX_IMAGE_PIXELS = None - # This image hits the offset test. - im = Image.open('Tests/images/l2rgb_read.bmp') - with self.assertRaises((ValueError, MemoryError, IOError)): + # This image hits the offset test. + with Image.open("Tests/images/l2rgb_read.bmp") as im: + with pytest.raises((ValueError, MemoryError, OSError)): im.load() - Image.MAX_IMAGE_PIXELS = max_pixels + Image.MAX_IMAGE_PIXELS = max_pixels + + +def test_tobytes(): + # Note that this image triggers the decompression bomb warning: + max_pixels = Image.MAX_IMAGE_PIXELS + Image.MAX_IMAGE_PIXELS = None + + # Previously raised an access violation on Windows + with Image.open("Tests/images/l2rgb_read.bmp") as im: + with pytest.raises((ValueError, MemoryError, OSError)): + im.tobytes() + + Image.MAX_IMAGE_PIXELS = max_pixels + +@pytest.mark.skipif(sys.maxsize <= 2 ** 32, reason="Requires 64-bit system") +def test_ysize(): + numpy = pytest.importorskip("numpy", reason="NumPy not installed") -if __name__ == '__main__': - unittest.main() + # Should not raise 'Integer overflow in ysize' + arr = numpy.zeros((46341, 46341), dtype=numpy.uint8) + Image.fromarray(arr) diff --git a/Tests/test_mode_i16.py b/Tests/test_mode_i16.py index d518471996b..0571aabf495 100644 --- a/Tests/test_mode_i16.py +++ b/Tests/test_mode_i16.py @@ -1,111 +1,106 @@ -from helper import unittest, PillowTestCase, hopper - from PIL import Image +from .helper import hopper -class TestModeI16(PillowTestCase): +original = hopper().resize((32, 32)).convert("I") - original = hopper().resize((32, 32)).convert('I') - def verify(self, im1): - im2 = self.original.copy() - self.assertEqual(im1.size, im2.size) - pix1 = im1.load() - pix2 = im2.load() - for y in range(im1.size[1]): - for x in range(im1.size[0]): - xy = x, y - p1 = pix1[xy] - p2 = pix2[xy] - self.assertEqual( - p1, p2, - ("got %r from mode %s at %s, expected %r" % - (p1, im1.mode, xy, p2))) +def verify(im1): + im2 = original.copy() + assert im1.size == im2.size + pix1 = im1.load() + pix2 = im2.load() + for y in range(im1.size[1]): + for x in range(im1.size[0]): + xy = x, y + p1 = pix1[xy] + p2 = pix2[xy] + assert ( + p1 == p2 + ), f"got {repr(p1)} from mode {im1.mode} at {xy}, expected {repr(p2)}" - def test_basic(self): - # PIL 1.1 has limited support for 16-bit image data. Check that - # create/copy/transform and save works as expected. - def basic(mode): +def test_basic(tmp_path): + # PIL 1.1 has limited support for 16-bit image data. Check that + # create/copy/transform and save works as expected. - imIn = self.original.convert(mode) - self.verify(imIn) + def basic(mode): - w, h = imIn.size + imIn = original.convert(mode) + verify(imIn) - imOut = imIn.copy() - self.verify(imOut) # copy + w, h = imIn.size - imOut = imIn.transform((w, h), Image.EXTENT, (0, 0, w, h)) - self.verify(imOut) # transform + imOut = imIn.copy() + verify(imOut) # copy - filename = self.tempfile("temp.im") - imIn.save(filename) + imOut = imIn.transform((w, h), Image.EXTENT, (0, 0, w, h)) + verify(imOut) # transform - imOut = Image.open(filename) + filename = str(tmp_path / "temp.im") + imIn.save(filename) - self.verify(imIn) - self.verify(imOut) + with Image.open(filename) as imOut: - imOut = imIn.crop((0, 0, w, h)) - self.verify(imOut) + verify(imIn) + verify(imOut) - imOut = Image.new(mode, (w, h), None) - imOut.paste(imIn.crop((0, 0, w//2, h)), (0, 0)) - imOut.paste(imIn.crop((w//2, 0, w, h)), (w//2, 0)) + imOut = imIn.crop((0, 0, w, h)) + verify(imOut) - self.verify(imIn) - self.verify(imOut) + imOut = Image.new(mode, (w, h), None) + imOut.paste(imIn.crop((0, 0, w // 2, h)), (0, 0)) + imOut.paste(imIn.crop((w // 2, 0, w, h)), (w // 2, 0)) - imIn = Image.new(mode, (1, 1), 1) - self.assertEqual(imIn.getpixel((0, 0)), 1) + verify(imIn) + verify(imOut) - imIn.putpixel((0, 0), 2) - self.assertEqual(imIn.getpixel((0, 0)), 2) + imIn = Image.new(mode, (1, 1), 1) + assert imIn.getpixel((0, 0)) == 1 - if mode == "L": - maximum = 255 - else: - maximum = 32767 + imIn.putpixel((0, 0), 2) + assert imIn.getpixel((0, 0)) == 2 - imIn = Image.new(mode, (1, 1), 256) - self.assertEqual(imIn.getpixel((0, 0)), min(256, maximum)) + if mode == "L": + maximum = 255 + else: + maximum = 32767 - imIn.putpixel((0, 0), 512) - self.assertEqual(imIn.getpixel((0, 0)), min(512, maximum)) + imIn = Image.new(mode, (1, 1), 256) + assert imIn.getpixel((0, 0)) == min(256, maximum) - basic("L") + imIn.putpixel((0, 0), 512) + assert imIn.getpixel((0, 0)) == min(512, maximum) - basic("I;16") - basic("I;16B") - basic("I;16L") + basic("L") - basic("I") + basic("I;16") + basic("I;16B") + basic("I;16L") - def test_tobytes(self): + basic("I") - def tobytes(mode): - return Image.new(mode, (1, 1), 1).tobytes() - order = 1 if Image._ENDIAN == '<' else -1 +def test_tobytes(): + def tobytes(mode): + return Image.new(mode, (1, 1), 1).tobytes() - self.assertEqual(tobytes("L"), b"\x01") - self.assertEqual(tobytes("I;16"), b"\x01\x00") - self.assertEqual(tobytes("I;16B"), b"\x00\x01") - self.assertEqual(tobytes("I"), b"\x01\x00\x00\x00"[::order]) + order = 1 if Image._ENDIAN == "<" else -1 - def test_convert(self): + assert tobytes("L") == b"\x01" + assert tobytes("I;16") == b"\x01\x00" + assert tobytes("I;16B") == b"\x00\x01" + assert tobytes("I") == b"\x01\x00\x00\x00"[::order] - im = self.original.copy() - self.verify(im.convert("I;16")) - self.verify(im.convert("I;16").convert("L")) - self.verify(im.convert("I;16").convert("I")) +def test_convert(): - self.verify(im.convert("I;16B")) - self.verify(im.convert("I;16B").convert("L")) - self.verify(im.convert("I;16B").convert("I")) + im = original.copy() + verify(im.convert("I;16")) + verify(im.convert("I;16").convert("L")) + verify(im.convert("I;16").convert("I")) -if __name__ == '__main__': - unittest.main() + verify(im.convert("I;16B")) + verify(im.convert("I;16B").convert("L")) + verify(im.convert("I;16B").convert("I")) diff --git a/Tests/test_numpy.py b/Tests/test_numpy.py index 370b8c1f99d..def7adf3f02 100644 --- a/Tests/test_numpy.py +++ b/Tests/test_numpy.py @@ -1,204 +1,239 @@ -from __future__ import print_function -import sys -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image -try: - import site - import numpy - assert site # silence warning - assert numpy # silence warning -except ImportError: - # Skip via setUp() - pass +from .helper import assert_deep_equal, assert_image, hopper + +numpy = pytest.importorskip("numpy", reason="NumPy not installed") TEST_IMAGE_SIZE = (10, 10) -# Numpy on pypy as of pypy 5.3.1 is corrupting the numpy.array(Image) -# call such that it's returning a object of type numpy.ndarray, but -# the repr is that of a PIL.Image. Size and shape are 1 and (), not the -# size and shape of the array. This causes failures in several tests. -SKIP_NUMPY_ON_PYPY = hasattr(sys, 'pypy_version_info') and ( - sys.pypy_version_info <= (5, 3, 1, 'final', 0)) - - -class TestNumpy(PillowTestCase): - - def setUp(self): - try: - import site - import numpy - assert site # silence warning - assert numpy # silence warning - except ImportError: - self.skipTest("ImportError") - - def test_numpy_to_image(self): - - def to_image(dtype, bands=1, boolean=0): - if bands == 1: - if boolean: - data = [0, 1] * 50 - else: - data = list(range(100)) - a = numpy.array(data, dtype=dtype) - a.shape = TEST_IMAGE_SIZE - i = Image.fromarray(a) - if list(i.getdata()) != data: - print("data mismatch for", dtype) + +def test_numpy_to_image(): + def to_image(dtype, bands=1, boolean=0): + if bands == 1: + if boolean: + data = [0, 255] * 50 else: data = list(range(100)) - a = numpy.array([[x]*bands for x in data], dtype=dtype) - a.shape = TEST_IMAGE_SIZE[0], TEST_IMAGE_SIZE[1], bands - i = Image.fromarray(a) - if list(i.split()[0].getdata()) != list(range(100)): - print("data mismatch for", dtype) - # print dtype, list(i.getdata()) - return i - - # Check supported 1-bit integer formats - self.assertRaises(TypeError, lambda: to_image(numpy.bool)) - self.assertRaises(TypeError, lambda: to_image(numpy.bool8)) - - # Check supported 8-bit integer formats - self.assert_image(to_image(numpy.uint8), "L", TEST_IMAGE_SIZE) - self.assert_image(to_image(numpy.uint8, 3), "RGB", TEST_IMAGE_SIZE) - self.assert_image(to_image(numpy.uint8, 4), "RGBA", TEST_IMAGE_SIZE) - self.assert_image(to_image(numpy.int8), "I", TEST_IMAGE_SIZE) - - # Check non-fixed-size integer types - # These may fail, depending on the platform, since we have no native - # 64 bit int image types. - # self.assert_image(to_image(numpy.uint), "I", TEST_IMAGE_SIZE) - # self.assert_image(to_image(numpy.int), "I", TEST_IMAGE_SIZE) - - # Check 16-bit integer formats - if Image._ENDIAN == '<': - self.assert_image(to_image(numpy.uint16), "I;16", TEST_IMAGE_SIZE) + a = numpy.array(data, dtype=dtype) + a.shape = TEST_IMAGE_SIZE + i = Image.fromarray(a) + if list(i.getdata()) != data: + print("data mismatch for", dtype) else: - self.assert_image(to_image(numpy.uint16), "I;16B", TEST_IMAGE_SIZE) - - self.assert_image(to_image(numpy.int16), "I", TEST_IMAGE_SIZE) - - # Check 32-bit integer formats - self.assert_image(to_image(numpy.uint32), "I", TEST_IMAGE_SIZE) - self.assert_image(to_image(numpy.int32), "I", TEST_IMAGE_SIZE) - - # Check 64-bit integer formats - self.assertRaises(TypeError, lambda: to_image(numpy.uint64)) - self.assertRaises(TypeError, lambda: to_image(numpy.int64)) - - # Check floating-point formats - self.assert_image(to_image(numpy.float), "F", TEST_IMAGE_SIZE) - self.assertRaises(TypeError, lambda: to_image(numpy.float16)) - self.assert_image(to_image(numpy.float32), "F", TEST_IMAGE_SIZE) - self.assert_image(to_image(numpy.float64), "F", TEST_IMAGE_SIZE) - - self.assert_image(to_image(numpy.uint8, 2), "LA", (10, 10)) - self.assert_image(to_image(numpy.uint8, 3), "RGB", (10, 10)) - self.assert_image(to_image(numpy.uint8, 4), "RGBA", (10, 10)) - - # based on an erring example at - # http://stackoverflow.com/questions/10854903/what-is-causing-dimension-dependent-attributeerror-in-pil-fromarray-function - def test_3d_array(self): - size = (5, TEST_IMAGE_SIZE[0], TEST_IMAGE_SIZE[1]) - a = numpy.ones(size, dtype=numpy.uint8) - self.assert_image(Image.fromarray(a[1, :, :]), "L", TEST_IMAGE_SIZE) - size = (TEST_IMAGE_SIZE[0], 5, TEST_IMAGE_SIZE[1]) - a = numpy.ones(size, dtype=numpy.uint8) - self.assert_image(Image.fromarray(a[:, 1, :]), "L", TEST_IMAGE_SIZE) - size = (TEST_IMAGE_SIZE[0], TEST_IMAGE_SIZE[1], 5) - a = numpy.ones(size, dtype=numpy.uint8) - self.assert_image(Image.fromarray(a[:, :, 1]), "L", TEST_IMAGE_SIZE) - - def _test_img_equals_nparray(self, img, np): - self.assertGreaterEqual(len(np.shape), 2) - np_size = np.shape[1], np.shape[0] - self.assertEqual(img.size, np_size) - px = img.load() - for x in range(0, img.size[0], int(img.size[0]/10)): - for y in range(0, img.size[1], int(img.size[1]/10)): - self.assert_deep_equal(px[x, y], np[y, x]) - - @unittest.skipIf(SKIP_NUMPY_ON_PYPY, "numpy.array(Image) is flaky on PyPy") - def test_16bit(self): - img = Image.open('Tests/images/16bit.cropped.tif') + data = list(range(100)) + a = numpy.array([[x] * bands for x in data], dtype=dtype) + a.shape = TEST_IMAGE_SIZE[0], TEST_IMAGE_SIZE[1], bands + i = Image.fromarray(a) + if list(i.getchannel(0).getdata()) != list(range(100)): + print("data mismatch for", dtype) + return i + + # Check supported 1-bit integer formats + assert_image(to_image(bool, 1, 1), "1", TEST_IMAGE_SIZE) + assert_image(to_image(numpy.bool8, 1, 1), "1", TEST_IMAGE_SIZE) + + # Check supported 8-bit integer formats + assert_image(to_image(numpy.uint8), "L", TEST_IMAGE_SIZE) + assert_image(to_image(numpy.uint8, 3), "RGB", TEST_IMAGE_SIZE) + assert_image(to_image(numpy.uint8, 4), "RGBA", TEST_IMAGE_SIZE) + assert_image(to_image(numpy.int8), "I", TEST_IMAGE_SIZE) + + # Check non-fixed-size integer types + # These may fail, depending on the platform, since we have no native + # 64-bit int image types. + # assert_image(to_image(numpy.uint), "I", TEST_IMAGE_SIZE) + # assert_image(to_image(numpy.int), "I", TEST_IMAGE_SIZE) + + # Check 16-bit integer formats + if Image._ENDIAN == "<": + assert_image(to_image(numpy.uint16), "I;16", TEST_IMAGE_SIZE) + else: + assert_image(to_image(numpy.uint16), "I;16B", TEST_IMAGE_SIZE) + + assert_image(to_image(numpy.int16), "I", TEST_IMAGE_SIZE) + + # Check 32-bit integer formats + assert_image(to_image(numpy.uint32), "I", TEST_IMAGE_SIZE) + assert_image(to_image(numpy.int32), "I", TEST_IMAGE_SIZE) + + # Check 64-bit integer formats + with pytest.raises(TypeError): + to_image(numpy.uint64) + with pytest.raises(TypeError): + to_image(numpy.int64) + + # Check floating-point formats + assert_image(to_image(float), "F", TEST_IMAGE_SIZE) + with pytest.raises(TypeError): + to_image(numpy.float16) + assert_image(to_image(numpy.float32), "F", TEST_IMAGE_SIZE) + assert_image(to_image(numpy.float64), "F", TEST_IMAGE_SIZE) + + assert_image(to_image(numpy.uint8, 2), "LA", (10, 10)) + assert_image(to_image(numpy.uint8, 3), "RGB", (10, 10)) + assert_image(to_image(numpy.uint8, 4), "RGBA", (10, 10)) + + +# Based on an erring example at +# https://stackoverflow.com/questions/10854903/what-is-causing-dimension-dependent-attributeerror-in-pil-fromarray-function +def test_3d_array(): + size = (5, TEST_IMAGE_SIZE[0], TEST_IMAGE_SIZE[1]) + a = numpy.ones(size, dtype=numpy.uint8) + assert_image(Image.fromarray(a[1, :, :]), "L", TEST_IMAGE_SIZE) + size = (TEST_IMAGE_SIZE[0], 5, TEST_IMAGE_SIZE[1]) + a = numpy.ones(size, dtype=numpy.uint8) + assert_image(Image.fromarray(a[:, 1, :]), "L", TEST_IMAGE_SIZE) + size = (TEST_IMAGE_SIZE[0], TEST_IMAGE_SIZE[1], 5) + a = numpy.ones(size, dtype=numpy.uint8) + assert_image(Image.fromarray(a[:, :, 1]), "L", TEST_IMAGE_SIZE) + + +def test_1d_array(): + a = numpy.ones(5, dtype=numpy.uint8) + assert_image(Image.fromarray(a), "L", (1, 5)) + + +def _test_img_equals_nparray(img, np): + assert len(np.shape) >= 2 + np_size = np.shape[1], np.shape[0] + assert img.size == np_size + px = img.load() + for x in range(0, img.size[0], int(img.size[0] / 10)): + for y in range(0, img.size[1], int(img.size[1] / 10)): + assert_deep_equal(px[x, y], np[y, x]) + + +def test_16bit(): + with Image.open("Tests/images/16bit.cropped.tif") as img: + np_img = numpy.array(img) + _test_img_equals_nparray(img, np_img) + assert np_img.dtype == numpy.dtype("u2'), - ("I;16L", 'u2"), + ("I;16L", "", 0) == (b"\x90\x1F\xA3", 8) + assert PdfParser.get_value(b"asd < 9 0 1 f A > qwe", 3) == (b"\x90\x1F\xA0", 17) + assert PdfParser.get_value(b"(asd)", 0) == (b"asd", 5) + assert PdfParser.get_value(b"(asd(qwe)zxc)zzz(aaa)", 0) == (b"asd(qwe)zxc", 13) + assert PdfParser.get_value(b"(Two \\\nwords.)", 0) == (b"Two words.", 14) + assert PdfParser.get_value(b"(Two\nlines.)", 0) == (b"Two\nlines.", 12) + assert PdfParser.get_value(b"(Two\r\nlines.)", 0) == (b"Two\nlines.", 13) + assert PdfParser.get_value(b"(Two\\nlines.)", 0) == (b"Two\nlines.", 13) + assert PdfParser.get_value(b"(One\\(paren).", 0) == (b"One(paren", 12) + assert PdfParser.get_value(b"(One\\)paren).", 0) == (b"One)paren", 12) + assert PdfParser.get_value(b"(\\0053)", 0) == (b"\x053", 7) + assert PdfParser.get_value(b"(\\053)", 0) == (b"\x2B", 6) + assert PdfParser.get_value(b"(\\53)", 0) == (b"\x2B", 5) + assert PdfParser.get_value(b"(\\53a)", 0) == (b"\x2Ba", 6) + assert PdfParser.get_value(b"(\\1111)", 0) == (b"\x491", 7) + assert PdfParser.get_value(b" 123 (", 0) == (123, 4) + assert round(abs(PdfParser.get_value(b" 123.4 %", 0)[0] - 123.4), 7) == 0 + assert PdfParser.get_value(b" 123.4 %", 0)[1] == 6 + with pytest.raises(PdfFormatError): + PdfParser.get_value(b"]", 0) + d = PdfParser.get_value(b"<>", 0)[0] + assert isinstance(d, PdfDict) + assert len(d) == 2 + assert d.Name == "value" + assert d[b"Name"] == b"value" + assert d.N == PdfName("V") + a = PdfParser.get_value(b"[/Name (value) /N /V]", 0)[0] + assert isinstance(a, list) + assert len(a) == 4 + assert a[0] == PdfName("Name") + s = PdfParser.get_value( + b"<>\nstream\nabcde\nendstream<<...", 0 + )[0] + assert isinstance(s, PdfStream) + assert s.dictionary.Name == "value" + assert s.decode() == b"abcde" + for name in ["CreationDate", "ModDate"]: + for date, value in { + b"20180729214124": "20180729214124", + b"D:20180729214124": "20180729214124", + b"D:2018072921": "20180729210000", + b"D:20180729214124Z": "20180729214124", + b"D:20180729214124+08'00'": "20180729134124", + b"D:20180729214124-05'00'": "20180730024124", + }.items(): + d = PdfParser.get_value(b"<>", 0)[ + 0 + ] + assert time.strftime("%Y%m%d%H%M%S", getattr(d, name)) == value + + +def test_pdf_repr(): + assert bytes(IndirectReference(1, 2)) == b"1 2 R" + assert bytes(IndirectObjectDef(*IndirectReference(1, 2))) == b"1 2 obj" + assert bytes(PdfName(b"Name#Hash")) == b"/Name#23Hash" + assert bytes(PdfName("Name#Hash")) == b"/Name#23Hash" + assert bytes(PdfDict({b"Name": IndirectReference(1, 2)})) == b"<<\n/Name 1 2 R\n>>" + assert bytes(PdfDict({"Name": IndirectReference(1, 2)})) == b"<<\n/Name 1 2 R\n>>" + assert pdf_repr(IndirectReference(1, 2)) == b"1 2 R" + assert pdf_repr(IndirectObjectDef(*IndirectReference(1, 2))) == b"1 2 obj" + assert pdf_repr(PdfName(b"Name#Hash")) == b"/Name#23Hash" + assert pdf_repr(PdfName("Name#Hash")) == b"/Name#23Hash" + assert ( + pdf_repr(PdfDict({b"Name": IndirectReference(1, 2)})) == b"<<\n/Name 1 2 R\n>>" + ) + assert ( + pdf_repr(PdfDict({"Name": IndirectReference(1, 2)})) == b"<<\n/Name 1 2 R\n>>" + ) + assert pdf_repr(123) == b"123" + assert pdf_repr(True) == b"true" + assert pdf_repr(False) == b"false" + assert pdf_repr(None) == b"null" + assert pdf_repr(b"a)/b\\(c") == br"(a\)/b\\\(c)" + assert pdf_repr([123, True, {"a": PdfName(b"b")}]) == b"[ 123 true <<\n/a /b\n>> ]" + assert pdf_repr(PdfBinary(b"\x90\x1F\xA0")) == b"<901FA0>" diff --git a/Tests/test_pickle.py b/Tests/test_pickle.py index 69eb60949dd..5fd04585563 100644 --- a/Tests/test_pickle.py +++ b/Tests/test_pickle.py @@ -1,29 +1,34 @@ -from helper import unittest, PillowTestCase +import pickle -from PIL import Image +import pytest +from PIL import Image, ImageDraw, ImageFont -class TestPickle(PillowTestCase): +from .helper import assert_image_equal, skip_unless_feature - def helper_pickle_file(self, pickle, protocol=0, mode=None): - # Arrange - im = Image.open('Tests/images/hopper.jpg') - filename = self.tempfile('temp.pkl') +FONT_SIZE = 20 +FONT_PATH = "Tests/fonts/DejaVuSans/DejaVuSans.ttf" + + +def helper_pickle_file(tmp_path, pickle, protocol, test_file, mode): + # Arrange + with Image.open(test_file) as im: + filename = str(tmp_path / "temp.pkl") if mode: im = im.convert(mode) # Act - with open(filename, 'wb') as f: + with open(filename, "wb") as f: pickle.dump(im, f, protocol) - with open(filename, 'rb') as f: + with open(filename, "rb") as f: loaded_im = pickle.load(f) # Assert - self.assertEqual(im, loaded_im) + assert im == loaded_im + - def helper_pickle_string(self, pickle, protocol=0, - test_file='Tests/images/hopper.jpg', mode=None): - im = Image.open(test_file) +def helper_pickle_string(pickle, protocol, test_file, mode): + with Image.open(test_file) as im: if mode: im = im.convert(mode) @@ -32,65 +37,106 @@ def helper_pickle_string(self, pickle, protocol=0, loaded_im = pickle.loads(dumped_string) # Assert - self.assertEqual(im, loaded_im) - - def test_pickle_image(self): - # Arrange - import pickle - - # Act / Assert - for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1): - self.helper_pickle_string(pickle, protocol) - self.helper_pickle_file(pickle, protocol) - - def test_cpickle_image(self): - # Arrange - try: - import cPickle - except ImportError: - return - - # Act / Assert - for protocol in range(0, cPickle.HIGHEST_PROTOCOL + 1): - self.helper_pickle_string(cPickle, protocol) - self.helper_pickle_file(cPickle, protocol) - - def test_pickle_p_mode(self): - # Arrange - import pickle - - # Act / Assert - for test_file in [ - "Tests/images/test-card.png", - "Tests/images/zero_bb.png", - "Tests/images/zero_bb_scale2.png", - "Tests/images/non_zero_bb.png", - "Tests/images/non_zero_bb_scale2.png", - "Tests/images/p_trns_single.png", - "Tests/images/pil123p.png" - ]: - self.helper_pickle_string(pickle, test_file=test_file) - - def test_pickle_l_mode(self): - # Arrange - import pickle - - # Act / Assert - for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1): - self.helper_pickle_string(pickle, protocol, mode="L") - self.helper_pickle_file(pickle, protocol, mode="L") - - def test_cpickle_l_mode(self): - # Arrange - try: - import cPickle - except ImportError: - return - - # Act / Assert - for protocol in range(0, cPickle.HIGHEST_PROTOCOL + 1): - self.helper_pickle_string(cPickle, protocol, mode="L") - self.helper_pickle_file(cPickle, protocol, mode="L") - -if __name__ == '__main__': - unittest.main() + assert im == loaded_im + + +@pytest.mark.parametrize( + ("test_file", "test_mode"), + [ + ("Tests/images/hopper.jpg", None), + ("Tests/images/hopper.jpg", "L"), + ("Tests/images/hopper.jpg", "PA"), + pytest.param( + "Tests/images/hopper.webp", None, marks=skip_unless_feature("webp") + ), + ("Tests/images/hopper.tif", None), + ("Tests/images/test-card.png", None), + ("Tests/images/zero_bb.png", None), + ("Tests/images/zero_bb_scale2.png", None), + ("Tests/images/non_zero_bb.png", None), + ("Tests/images/non_zero_bb_scale2.png", None), + ("Tests/images/p_trns_single.png", None), + ("Tests/images/pil123p.png", None), + ("Tests/images/itxt_chunks.png", None), + ], +) +def test_pickle_image(tmp_path, test_file, test_mode): + # Act / Assert + for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1): + helper_pickle_string(pickle, protocol, test_file, test_mode) + helper_pickle_file(tmp_path, pickle, protocol, test_file, test_mode) + + +def test_pickle_la_mode_with_palette(tmp_path): + # Arrange + filename = str(tmp_path / "temp.pkl") + with Image.open("Tests/images/hopper.jpg") as im: + im = im.convert("PA") + + # Act / Assert + for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1): + im.mode = "LA" + with open(filename, "wb") as f: + pickle.dump(im, f, protocol) + with open(filename, "rb") as f: + loaded_im = pickle.load(f) + + im.mode = "PA" + assert im == loaded_im + + +@skip_unless_feature("webp") +def test_pickle_tell(): + # Arrange + with Image.open("Tests/images/hopper.webp") as image: + + # Act: roundtrip + unpickled_image = pickle.loads(pickle.dumps(image)) + + # Assert + assert unpickled_image.tell() == 0 + + +def helper_assert_pickled_font_images(font1, font2): + # Arrange + im1 = Image.new(mode="RGBA", size=(300, 100)) + im2 = Image.new(mode="RGBA", size=(300, 100)) + draw1 = ImageDraw.Draw(im1) + draw2 = ImageDraw.Draw(im2) + txt = "Hello World!" + + # Act + draw1.text((10, 10), txt, font=font1) + draw2.text((10, 10), txt, font=font2) + + # Assert + assert_image_equal(im1, im2) + + +@pytest.mark.parametrize("protocol", list(range(0, pickle.HIGHEST_PROTOCOL + 1))) +def test_pickle_font_string(protocol): + # Arrange + font = ImageFont.truetype(FONT_PATH, FONT_SIZE) + + # Act: roundtrip + pickled_font = pickle.dumps(font, protocol) + unpickled_font = pickle.loads(pickled_font) + + # Assert + helper_assert_pickled_font_images(font, unpickled_font) + + +@pytest.mark.parametrize("protocol", list(range(0, pickle.HIGHEST_PROTOCOL + 1))) +def test_pickle_font_file(tmp_path, protocol): + # Arrange + font = ImageFont.truetype(FONT_PATH, FONT_SIZE) + filename = str(tmp_path / "temp.pkl") + + # Act: roundtrip + with open(filename, "wb") as f: + pickle.dump(font, f, protocol) + with open(filename, "rb") as f: + unpickled_font = pickle.load(f) + + # Assert + helper_assert_pickled_font_images(font, unpickled_font) diff --git a/Tests/test_psdraw.py b/Tests/test_psdraw.py index 31a2de33dab..e74d798282a 100644 --- a/Tests/test_psdraw.py +++ b/Tests/test_psdraw.py @@ -1,69 +1,73 @@ -from helper import unittest, PillowTestCase - -from PIL import Image, PSDraw import os import sys +from io import BytesIO +import pytest -class TestPsDraw(PillowTestCase): +from PIL import Image, PSDraw - def _create_document(self, ps): - im = Image.open("Tests/images/hopper.ppm") - title = "hopper" - box = (1*72, 2*72, 7*72, 10*72) # in points - ps.begin_document(title) +def _create_document(ps): + title = "hopper" + box = (1 * 72, 2 * 72, 7 * 72, 10 * 72) # in points - # draw diagonal lines in a cross - ps.line((1*72, 2*72), (7*72, 10*72)) - ps.line((7*72, 2*72), (1*72, 10*72)) + ps.begin_document(title) - # draw the image (75 dpi) - ps.image(box, im, 75) - ps.rectangle(box) + # draw diagonal lines in a cross + ps.line((1 * 72, 2 * 72), (7 * 72, 10 * 72)) + ps.line((7 * 72, 2 * 72), (1 * 72, 10 * 72)) - # draw title - ps.setfont("Courier", 36) - ps.text((3*72, 4*72), title) + # draw the image (75 dpi) + with Image.open("Tests/images/hopper.ppm") as im: + ps.image(box, im, 75) + ps.rectangle(box) - ps.end_document() + # draw title + ps.setfont("Courier", 36) + ps.text((3 * 72, 4 * 72), title) - def test_draw_postscript(self): + ps.end_document() - # Based on Pillow tutorial, but there is no textsize: - # https://pillow.readthedocs.io/en/latest/handbook/tutorial.html - # Arrange - tempfile = self.tempfile('temp.ps') - fp = open(tempfile, "wb") +def test_draw_postscript(tmp_path): + # Based on Pillow tutorial, but there is no textsize: + # https://pillow.readthedocs.io/en/latest/handbook/tutorial.html#drawing-postscript + # Arrange + tempfile = str(tmp_path / "temp.ps") + with open(tempfile, "wb") as fp: # Act ps = PSDraw.PSDraw(fp) - self._create_document(ps) - fp.close() + _create_document(ps) + + # Assert + # Check non-zero file was created + assert os.path.isfile(tempfile) + assert os.path.getsize(tempfile) > 0 + + +@pytest.mark.parametrize("buffer", (True, False)) +def test_stdout(buffer): + # Temporarily redirect stdout + old_stdout = sys.stdout - # Assert - # Check non-zero file was created - self.assertTrue(os.path.isfile(tempfile)) - self.assertGreater(os.path.getsize(tempfile), 0) + if buffer: - def test_stdout(self): - # Temporarily redirect stdout - try: - from cStringIO import StringIO - except ImportError: - from io import StringIO - old_stdout = sys.stdout - sys.stdout = mystdout = StringIO() + class MyStdOut: + buffer = BytesIO() - ps = PSDraw.PSDraw() - self._create_document(ps) + mystdout = MyStdOut() + else: + mystdout = BytesIO() - # Reset stdout - sys.stdout = old_stdout + sys.stdout = mystdout - self.assertNotEqual(mystdout.getvalue(), "") + ps = PSDraw.PSDraw() + _create_document(ps) + # Reset stdout + sys.stdout = old_stdout -if __name__ == '__main__': - unittest.main() + if buffer: + mystdout = mystdout.buffer + assert mystdout.getvalue() != b"" diff --git a/Tests/test_pyroma.py b/Tests/test_pyroma.py index 962535f03fa..aa05c2cfdd8 100644 --- a/Tests/test_pyroma.py +++ b/Tests/test_pyroma.py @@ -1,41 +1,25 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import PILLOW_VERSION +from PIL import __version__ -try: - import pyroma -except ImportError: - # Skip via setUp() - pass +pyroma = pytest.importorskip("pyroma", reason="Pyroma not installed") -class TestPyroma(PillowTestCase): +def test_pyroma(): + # Arrange + data = pyroma.projectdata.get_data(".") - def setUp(self): - try: - import pyroma - assert pyroma # Ignore warning - except ImportError: - self.skipTest("ImportError") + # Act + rating = pyroma.ratings.rate(data) - def test_pyroma(self): - # Arrange - data = pyroma.projectdata.get_data(".") + # Assert + if "rc" in __version__: + # Pyroma needs to chill about RC versions and not kill all our tests. + assert rating == ( + 9, + ["The package's version number does not comply with PEP-386."], + ) - # Act - rating = pyroma.ratings.rate(data) - - # Assert - if 'rc' in PILLOW_VERSION: - # Pyroma needs to chill about RC versions - # and not kill all our tests. - self.assertEqual(rating, (9, [ - "The package's version number does not comply with PEP-386."])) - - else: - # Should have a perfect score - self.assertEqual(rating, (10, [])) - - -if __name__ == '__main__': - unittest.main() + else: + # Should have a perfect score + assert rating == (10, []) diff --git a/Tests/test_qt_image_qapplication.py b/Tests/test_qt_image_qapplication.py new file mode 100644 index 00000000000..dec790c5069 --- /dev/null +++ b/Tests/test_qt_image_qapplication.py @@ -0,0 +1,88 @@ +import pytest + +from PIL import ImageQt + +from .helper import assert_image_equal, assert_image_equal_tofile, hopper + +if ImageQt.qt_is_installed: + from PIL.ImageQt import QPixmap + + if ImageQt.qt_version == "6": + from PyQt6.QtCore import QPoint + from PyQt6.QtGui import QImage, QPainter, QRegion + from PyQt6.QtWidgets import QApplication, QHBoxLayout, QLabel, QWidget + elif ImageQt.qt_version == "side6": + from PySide6.QtCore import QPoint + from PySide6.QtGui import QImage, QPainter, QRegion + from PySide6.QtWidgets import QApplication, QHBoxLayout, QLabel, QWidget + elif ImageQt.qt_version == "5": + from PyQt5.QtCore import QPoint + from PyQt5.QtGui import QImage, QPainter, QRegion + from PyQt5.QtWidgets import QApplication, QHBoxLayout, QLabel, QWidget + elif ImageQt.qt_version == "side2": + from PySide2.QtCore import QPoint + from PySide2.QtGui import QImage, QPainter, QRegion + from PySide2.QtWidgets import QApplication, QHBoxLayout, QLabel, QWidget + + class Example(QWidget): + def __init__(self): + super().__init__() + + img = hopper().resize((1000, 1000)) + + qimage = ImageQt.ImageQt(img) + + pixmap1 = ImageQt.QPixmap.fromImage(qimage) + + QHBoxLayout(self) # hbox + + lbl = QLabel(self) + # Segfault in the problem + lbl.setPixmap(pixmap1.copy()) + + +def roundtrip(expected): + result = ImageQt.fromqpixmap(ImageQt.toqpixmap(expected)) + # Qt saves all pixmaps as rgb + assert_image_equal(result, expected.convert("RGB")) + + +@pytest.mark.skipif(not ImageQt.qt_is_installed, reason="Qt bindings are not installed") +def test_sanity(tmp_path): + # Segfault test + app = QApplication([]) + ex = Example() + assert app # Silence warning + assert ex # Silence warning + + for mode in ("1", "RGB", "RGBA", "L", "P"): + # to QPixmap + im = hopper(mode) + data = ImageQt.toqpixmap(im) + + assert isinstance(data, QPixmap) + assert not data.isNull() + + # Test saving the file + tempfile = str(tmp_path / f"temp_{mode}.png") + data.save(tempfile) + + # Render the image + qimage = ImageQt.ImageQt(im) + data = QPixmap.fromImage(qimage) + qt_format = QImage.Format if ImageQt.qt_version == "6" else QImage + qimage = QImage(128, 128, qt_format.Format_ARGB32) + painter = QPainter(qimage) + image_label = QLabel() + image_label.setPixmap(data) + image_label.render(painter, QPoint(0, 0), QRegion(0, 0, 128, 128)) + painter.end() + rendered_tempfile = str(tmp_path / f"temp_rendered_{mode}.png") + qimage.save(rendered_tempfile) + assert_image_equal_tofile(im.convert("RGBA"), rendered_tempfile) + + # from QPixmap + roundtrip(hopper(mode)) + + app.quit() + app = None diff --git a/Tests/test_qt_image_toqimage.py b/Tests/test_qt_image_toqimage.py new file mode 100644 index 00000000000..2a6b29abebc --- /dev/null +++ b/Tests/test_qt_image_toqimage.py @@ -0,0 +1,43 @@ +import pytest + +from PIL import ImageQt + +from .helper import assert_image_equal, assert_image_equal_tofile, hopper + +pytestmark = pytest.mark.skipif( + not ImageQt.qt_is_installed, reason="Qt bindings are not installed" +) + +if ImageQt.qt_is_installed: + from PIL.ImageQt import QImage + + +def test_sanity(tmp_path): + for mode in ("RGB", "RGBA", "L", "P", "1"): + src = hopper(mode) + data = ImageQt.toqimage(src) + + assert isinstance(data, QImage) + assert not data.isNull() + + # reload directly from the qimage + rt = ImageQt.fromqimage(data) + if mode in ("L", "P", "1"): + assert_image_equal(rt, src.convert("RGB")) + else: + assert_image_equal(rt, src) + + if mode == "1": + # BW appears to not save correctly on QT4 and QT5 + # kicks out errors on console: + # libpng warning: Invalid color type/bit depth combination + # in IHDR + # libpng error: Invalid IHDR data + continue + + # Test saving the file + tempfile = str(tmp_path / f"temp_{mode}.png") + data.save(tempfile) + + # Check that it actually worked. + assert_image_equal_tofile(src, tempfile) diff --git a/Tests/test_scipy.py b/Tests/test_scipy.py deleted file mode 100644 index dda49e707b2..00000000000 --- a/Tests/test_scipy.py +++ /dev/null @@ -1,43 +0,0 @@ -from helper import PillowTestCase - -try: - import numpy as np - from numpy.testing import assert_equal - - from scipy import misc - HAS_SCIPY = True -except ImportError: - HAS_SCIPY = False - - -class Test_scipy_resize(PillowTestCase): - """ Tests for scipy regression in Pillow 2.6.0 - - Tests from https://github.com/scipy/scipy/blob/master/scipy/misc/pilutil.py - """ - - def setUp(self): - if not HAS_SCIPY: - self.skipTest("Scipy Required") - - def test_imresize(self): - im = np.random.random((10, 20)) - for T in np.sctypes['float'] + [float]: - # 1.1 rounds to below 1.1 for float16, 1.101 works - im1 = misc.imresize(im, T(1.101)) - self.assertEqual(im1.shape, (11, 22)) - - def test_imresize4(self): - im = np.array([[1, 2], - [3, 4]]) - res = np.array([[1., 1.25, 1.75, 2.], - [1.5, 1.75, 2.25, 2.5], - [2.5, 2.75, 3.25, 3.5], - [3., 3.25, 3.75, 4.]], dtype=np.float32) - # Check that resizing by target size, float and int are the same - im2 = misc.imresize(im, (4, 4), mode='F') # output size - im3 = misc.imresize(im, 2., mode='F') # fraction - im4 = misc.imresize(im, 200, mode='F') # percentage - assert_equal(im2, res) - assert_equal(im3, res) - assert_equal(im4, res) diff --git a/Tests/test_sgi_crash.py b/Tests/test_sgi_crash.py new file mode 100644 index 00000000000..b5f9d442490 --- /dev/null +++ b/Tests/test_sgi_crash.py @@ -0,0 +1,26 @@ +import pytest + +from PIL import Image + + +@pytest.mark.parametrize( + "test_file", + [ + "Tests/images/sgi_overrun_expandrowF04.bin", + "Tests/images/sgi_crash.bin", + "Tests/images/crash-6b7f2244da6d0ae297ee0754a424213444e92778.sgi", + "Tests/images/ossfuzz-5730089102868480.sgi", + "Tests/images/crash-754d9c7ec485ffb76a90eeaab191ef69a2a3a3cd.sgi", + "Tests/images/crash-465703f71a0f0094873a3e0e82c9f798161171b8.sgi", + "Tests/images/crash-64834657ee604b8797bf99eac6a194c124a9a8ba.sgi", + "Tests/images/crash-abcf1c97b8fe42a6c68f1fb0b978530c98d57ced.sgi", + "Tests/images/crash-b82e64d4f3f76d7465b6af535283029eda211259.sgi", + "Tests/images/crash-c1b2595b8b0b92cc5f38b6635e98e3a119ade807.sgi", + "Tests/images/crash-db8bfa78b19721225425530c5946217720d7df4e.sgi", + ], +) +def test_crashes(test_file): + with open(test_file, "rb") as f: + with Image.open(f) as im: + with pytest.raises(OSError): + im.load() diff --git a/Tests/test_shell_injection.py b/Tests/test_shell_injection.py index acfea3baecd..d25d42dfca3 100644 --- a/Tests/test_shell_injection.py +++ b/Tests/test_shell_injection.py @@ -1,57 +1,49 @@ -from helper import unittest, PillowTestCase -from helper import djpeg_available, cjpeg_available, netpbm_available - -import sys import shutil -from PIL import Image, JpegImagePlugin, GifImagePlugin +import pytest + +from PIL import GifImagePlugin, Image, JpegImagePlugin + +from .helper import cjpeg_available, djpeg_available, is_win32, netpbm_available TEST_JPG = "Tests/images/hopper.jpg" TEST_GIF = "Tests/images/hopper.gif" -test_filenames = ( - "temp_';", - "temp_\";", - "temp_'\"|", - "temp_'\"||", - "temp_'\"&&", -) +test_filenames = ("temp_';", 'temp_";', "temp_'\"|", "temp_'\"||", "temp_'\"&&") -@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS") -class TestShellInjection(PillowTestCase): - - def assert_save_filename_check(self, src_img, save_func): +@pytest.mark.skipif(is_win32(), reason="Requires Unix or macOS") +class TestShellInjection: + def assert_save_filename_check(self, tmp_path, src_img, save_func): for filename in test_filenames: - dest_file = self.tempfile(filename) + dest_file = str(tmp_path / filename) save_func(src_img, 0, dest_file) # If file can't be opened, shell injection probably occurred - Image.open(dest_file).load() + with Image.open(dest_file) as im: + im.load() - @unittest.skipUnless(djpeg_available(), "djpeg not available") - def test_load_djpeg_filename(self): + @pytest.mark.skipif(not djpeg_available(), reason="djpeg not available") + def test_load_djpeg_filename(self, tmp_path): for filename in test_filenames: - src_file = self.tempfile(filename) + src_file = str(tmp_path / filename) shutil.copy(TEST_JPG, src_file) - im = Image.open(src_file) - im.load_djpeg() - - @unittest.skipUnless(cjpeg_available(), "cjpeg not available") - def test_save_cjpeg_filename(self): - im = Image.open(TEST_JPG) - self.assert_save_filename_check(im, JpegImagePlugin._save_cjpeg) - - @unittest.skipUnless(netpbm_available(), "netpbm not available") - def test_save_netpbm_filename_bmp_mode(self): - im = Image.open(TEST_GIF).convert("RGB") - self.assert_save_filename_check(im, GifImagePlugin._save_netpbm) - - @unittest.skipUnless(netpbm_available(), "netpbm not available") - def test_save_netpbm_filename_l_mode(self): - im = Image.open(TEST_GIF).convert("L") - self.assert_save_filename_check(im, GifImagePlugin._save_netpbm) - - -if __name__ == '__main__': - unittest.main() + with Image.open(src_file) as im: + im.load_djpeg() + + @pytest.mark.skipif(not cjpeg_available(), reason="cjpeg not available") + def test_save_cjpeg_filename(self, tmp_path): + with Image.open(TEST_JPG) as im: + self.assert_save_filename_check(tmp_path, im, JpegImagePlugin._save_cjpeg) + + @pytest.mark.skipif(not netpbm_available(), reason="Netpbm not available") + def test_save_netpbm_filename_bmp_mode(self, tmp_path): + with Image.open(TEST_GIF) as im: + im = im.convert("RGB") + self.assert_save_filename_check(tmp_path, im, GifImagePlugin._save_netpbm) + + @pytest.mark.skipif(not netpbm_available(), reason="Netpbm not available") + def test_save_netpbm_filename_l_mode(self, tmp_path): + with Image.open(TEST_GIF) as im: + im = im.convert("L") + self.assert_save_filename_check(tmp_path, im, GifImagePlugin._save_netpbm) diff --git a/Tests/test_tiff_crashes.py b/Tests/test_tiff_crashes.py new file mode 100644 index 00000000000..143765b8eec --- /dev/null +++ b/Tests/test_tiff_crashes.py @@ -0,0 +1,54 @@ +# Reproductions/tests for crashes/read errors in TiffDecode.c + +# When run in Python, all of these images should fail for +# one reason or another, either as a buffer overrun, +# unrecognized datastream, or truncated image file. +# There shouldn't be any segfaults. +# +# if run like +# `valgrind --tool=memcheck pytest test_tiff_crashes.py 2>&1 | grep TiffDecode.c` +# the output should be empty. There may be Python issues +# in the valgrind especially if run in a debug Python +# version. + +import pytest + +from PIL import Image + +from .helper import on_ci + + +@pytest.mark.parametrize( + "test_file", + [ + "Tests/images/crash_1.tif", + "Tests/images/crash_2.tif", + "Tests/images/crash-2020-10-test.tif", + "Tests/images/crash-0c7e0e8e11ce787078f00b5b0ca409a167f070e0.tif", + "Tests/images/crash-0e16d3bfb83be87356d026d66919deaefca44dac.tif", + "Tests/images/crash-1152ec2d1a1a71395b6f2ce6721c38924d025bf3.tif", + "Tests/images/crash-1185209cf7655b5aed8ae5e77784dfdd18ab59e9.tif", + "Tests/images/crash-338516dbd2f0e83caddb8ce256c22db3bd6dc40f.tif", + "Tests/images/crash-4f085cc12ece8cde18758d42608bed6a2a2cfb1c.tif", + "Tests/images/crash-86214e58da443d2b80820cff9677a38a33dcbbca.tif", + "Tests/images/crash-f46f5b2f43c370fe65706c11449f567ecc345e74.tif", + "Tests/images/crash-63b1dffefc8c075ddc606c0a2f5fdc15ece78863.tif", + "Tests/images/crash-74d2a78403a5a59db1fb0a2b8735ac068a75f6e3.tif", + "Tests/images/crash-81154a65438ba5aaeca73fd502fa4850fbde60f8.tif", + "Tests/images/crash-0da013a13571cc8eb457a39fee8db18f8a3c7127.tif", + ], +) +@pytest.mark.filterwarnings("ignore:Possibly corrupt EXIF data") +@pytest.mark.filterwarnings("ignore:Metadata warning") +@pytest.mark.filterwarnings("ignore:Truncated File Read") +def test_tiff_crashes(test_file): + try: + with Image.open(test_file) as im: + im.load() + except FileNotFoundError: + if not on_ci(): + pytest.skip("test image not found") + return + raise + except OSError: + pass diff --git a/Tests/test_tiff_ifdrational.py b/Tests/test_tiff_ifdrational.py index dd3ad1b3d91..12f475df036 100644 --- a/Tests/test_tiff_ifdrational.py +++ b/Tests/test_tiff_ifdrational.py @@ -1,62 +1,68 @@ -from __future__ import print_function - -from helper import PillowTestCase, hopper +from fractions import Fraction -from PIL import TiffImagePlugin, Image +from PIL import Image, TiffImagePlugin, features from PIL.TiffImagePlugin import IFDRational -from fractions import Fraction +from .helper import hopper + + +def _test_equal(num, denom, target): + + t = IFDRational(num, denom) + + assert target == t + assert t == target + +def test_sanity(): -class Test_IFDRational(PillowTestCase): + _test_equal(1, 1, 1) + _test_equal(1, 1, Fraction(1, 1)) - def _test_equal(self, num, denom, target): + _test_equal(2, 2, 1) + _test_equal(1.0, 1, Fraction(1, 1)) - t = IFDRational(num, denom) + _test_equal(Fraction(1, 1), 1, Fraction(1, 1)) + _test_equal(IFDRational(1, 1), 1, 1) - self.assertEqual(target, t) - self.assertEqual(t, target) + _test_equal(1, 2, Fraction(1, 2)) + _test_equal(1, 2, IFDRational(1, 2)) - def test_sanity(self): + _test_equal(7, 5, 1.4) - self._test_equal(1, 1, 1) - self._test_equal(1, 1, Fraction(1, 1)) - self._test_equal(2, 2, 1) - self._test_equal(1.0, 1, Fraction(1, 1)) +def test_ranges(): + for num in range(1, 10): + for denom in range(1, 10): + assert IFDRational(num, denom) == IFDRational(num, denom) - self._test_equal(Fraction(1, 1), 1, Fraction(1, 1)) - self._test_equal(IFDRational(1, 1), 1, 1) - self._test_equal(1, 2, Fraction(1, 2)) - self._test_equal(1, 2, IFDRational(1, 2)) +def test_nonetype(): + # Fails if the _delegate function doesn't return a valid function - def test_nonetype(self): - " Fails if the _delegate function doesn't return a valid function" + xres = IFDRational(72) + yres = IFDRational(72) + assert xres._val is not None + assert xres.numerator is not None + assert xres.denominator is not None + assert yres._val is not None - xres = IFDRational(72) - yres = IFDRational(72) - self.assertTrue(xres._val is not None) - self.assertTrue(xres.numerator is not None) - self.assertTrue(xres.denominator is not None) - self.assertTrue(yres._val is not None) + assert xres and 1 + assert xres and yres - self.assertTrue(xres and 1) - self.assertTrue(xres and yres) - def test_ifd_rational_save(self): - methods = (True, False) - if 'libtiff_encoder' not in dir(Image.core): - methods = (False) +def test_ifd_rational_save(tmp_path): + methods = (True, False) + if not features.check("libtiff"): + methods = (False,) - for libtiff in methods: - TiffImagePlugin.WRITE_LIBTIFF = libtiff + for libtiff in methods: + TiffImagePlugin.WRITE_LIBTIFF = libtiff - im = hopper() - out = self.tempfile('temp.tiff') - res = IFDRational(301, 1) - im.save(out, dpi=(res, res), compression='raw') + im = hopper() + out = str(tmp_path / "temp.tiff") + res = IFDRational(301, 1) + im.save(out, dpi=(res, res), compression="raw") - reloaded = Image.open(out) - self.assertEqual(float(IFDRational(301, 1)), - float(reloaded.tag_v2[282])) + with Image.open(out) as reloaded: + assert float(IFDRational(301, 1)) == float(reloaded.tag_v2[282]) diff --git a/Tests/test_uploader.py b/Tests/test_uploader.py new file mode 100644 index 00000000000..720926e5377 --- /dev/null +++ b/Tests/test_uploader.py @@ -0,0 +1,13 @@ +from .helper import assert_image_equal, assert_image_similar, hopper + + +def check_upload_equal(): + result = hopper("P").convert("RGB") + target = hopper("RGB") + assert_image_equal(result, target) + + +def check_upload_similar(): + result = hopper("P").convert("RGB") + target = hopper("RGB") + assert_image_similar(result, target, 0) diff --git a/Tests/test_util.py b/Tests/test_util.py index 9901de3571d..b5bfca0126f 100644 --- a/Tests/test_util.py +++ b/Tests/test_util.py @@ -1,79 +1,72 @@ -from helper import unittest, PillowTestCase +import pytest from PIL import _util -class TestUtil(PillowTestCase): +def test_is_path(): + # Arrange + fp = "filename.ext" - def test_is_string_type(self): - # Arrange - color = "red" + # Act + it_is = _util.isPath(fp) - # Act - it_is = _util.isStringType(color) + # Assert + assert it_is - # Assert - self.assertTrue(it_is) - def test_is_not_string_type(self): - # Arrange - color = (255, 0, 0) +def test_path_obj_is_path(): + # Arrange + from pathlib import Path - # Act - it_is_not = _util.isStringType(color) + test_path = Path("filename.ext") - # Assert - self.assertFalse(it_is_not) + # Act + it_is = _util.isPath(test_path) - def test_is_path(self): - # Arrange - fp = "filename.ext" + # Assert + assert it_is - # Act - it_is = _util.isStringType(fp) - # Assert - self.assertTrue(it_is) +def test_is_not_path(tmp_path): + # Arrange + with (tmp_path / "temp.ext").open("w") as fp: + pass - def test_is_not_path(self): - # Arrange - filename = self.tempfile("temp.ext") - fp = open(filename, 'w').close() + # Act + it_is_not = _util.isPath(fp) - # Act - it_is_not = _util.isPath(fp) + # Assert + assert not it_is_not - # Assert - self.assertFalse(it_is_not) - def test_is_directory(self): - # Arrange - directory = "Tests" +def test_is_directory(): + # Arrange + directory = "Tests" - # Act - it_is = _util.isDirectory(directory) + # Act + it_is = _util.isDirectory(directory) - # Assert - self.assertTrue(it_is) + # Assert + assert it_is - def test_is_not_directory(self): - # Arrange - text = "abc" - # Act - it_is_not = _util.isDirectory(text) +def test_is_not_directory(): + # Arrange + text = "abc" - # Assert - self.assertFalse(it_is_not) + # Act + it_is_not = _util.isDirectory(text) - def test_deferred_error(self): - # Arrange + # Assert + assert not it_is_not - # Act - thing = _util.deferred_error(ValueError("Some error text")) - # Assert - self.assertRaises(ValueError, lambda: thing.some_attr) +def test_deferred_error(): + # Arrange -if __name__ == '__main__': - unittest.main() + # Act + thing = _util.deferred_error(ValueError("Some error text")) + + # Assert + with pytest.raises(ValueError): + thing.some_attr diff --git a/Tests/test_webp_leaks.py b/Tests/test_webp_leaks.py new file mode 100644 index 00000000000..34197c14f80 --- /dev/null +++ b/Tests/test_webp_leaks.py @@ -0,0 +1,24 @@ +from io import BytesIO + +from PIL import Image + +from .helper import PillowLeakTestCase, skip_unless_feature + +test_file = "Tests/images/hopper.webp" + + +@skip_unless_feature("webp") +class TestWebPLeaks(PillowLeakTestCase): + + mem_limit = 3 * 1024 # kb + iterations = 100 + + def test_leak_load(self): + with open(test_file, "rb") as f: + im_data = f.read() + + def core(): + with Image.open(BytesIO(im_data)) as im: + im.load() + + self._test_leak(core) diff --git a/Tests/threaded_save.py b/Tests/threaded_save.py deleted file mode 100644 index ba8b17dbc47..00000000000 --- a/Tests/threaded_save.py +++ /dev/null @@ -1,57 +0,0 @@ -from __future__ import print_function -from PIL import Image - -import io -import queue -import sys -import threading -import time - -test_format = sys.argv[1] if len(sys.argv) > 1 else "PNG" - -im = Image.open("Tests/images/hopper.ppm") -im.load() - -queue = queue.Queue() - -result = [] - - -class Worker(threading.Thread): - def run(self): - while True: - im = queue.get() - if im is None: - queue.task_done() - sys.stdout.write("x") - break - f = io.BytesIO() - im.save(f, test_format, optimize=1) - data = f.getvalue() - result.append(len(data)) - im = Image.open(io.BytesIO(data)) - im.load() - sys.stdout.write(".") - queue.task_done() - -t0 = time.time() - -threads = 20 -jobs = 100 - -for i in range(threads): - w = Worker() - w.start() - -for i in range(jobs): - queue.put(im) - -for i in range(threads): - queue.put(None) - -queue.join() - -print() -print(time.time() - t0) -print(len(result), sum(result)) -print(result) diff --git a/Tests/versions.py b/Tests/versions.py deleted file mode 100644 index 89be1d7c82a..00000000000 --- a/Tests/versions.py +++ /dev/null @@ -1,25 +0,0 @@ -from __future__ import print_function -from PIL import Image - - -def version(module, version): - v = getattr(module.core, version + "_version", None) - if v: - print(version, v) - -version(Image, "jpeglib") -version(Image, "zlib") - -try: - from PIL import ImageFont -except ImportError: - pass -else: - version(ImageFont, "freetype2") - -try: - from PIL import ImageCms -except ImportError: - pass -else: - version(ImageCms, "littlecms") diff --git a/Tk/README.rst b/Tk/README.rst deleted file mode 100644 index 61385effbd5..00000000000 --- a/Tk/README.rst +++ /dev/null @@ -1,285 +0,0 @@ -Using PIL With Tkinter -==================================================================== - -Starting with 1.0 final (release candidate 2 and later, to be -precise), PIL can attach itself to Tkinter in flight. As a result, -you no longer need to rebuild the Tkinter extension to be able to -use PIL. - -However, if you cannot get the this to work on your platform, you -can do it in the old way: - -Adding Tkinter support ----------------------- - -1. Compile Python's _tkinter.c with the WITH_APPINIT and WITH_PIL - flags set, and link it with tkImaging.c and tkappinit.c. To - do this, copy the former to the Modules directory, and edit - the _tkinter line in Setup (or Setup.in) according to the - instructions in that file. - - NOTE: if you have an old Python version, the tkappinit.c - file is not included by default. If this is the case, you - will have to add the following lines to tkappinit.c, after - the MOREBUTTONS stuff:: - - { - extern void TkImaging_Init(Tcl_Interp* interp); - TkImaging_Init(interp); - } - - This registers a Tcl command called "PyImagingPhoto", which is - use to communicate between PIL and Tk's PhotoImage handler. - - You must also change the _tkinter line in Setup (or Setup.in) - to something like:: - - _tkinter _tkinter.c tkImaging.c tkappinit.c -DWITH_APPINIT - -I/usr/local/include -L/usr/local/lib -ltk8.0 -ltcl8.0 -lX11 - -The Photoimage Booster Patch (for Windows 95/NT) -==================================================================== - -This patch kit boosts performance for 16/24-bit displays. The -first patch is required on Tk 4.2 (where it fixes the problems for -16-bit displays) and later versions. By installing both patches, -Tk's PhotoImage handling becomes much faster on both 16-bit and -24-bit displays. The patch has been tested with Tk 4.2 and 8.0. - -Here's a benchmark, made with a sample program which loads two -512x512 greyscale PGM's, and two 512x512 colour PPM's, and displays -each of them in a separate toplevel windows. Tcl/Tk was compiled -with Visual C 4.0, and run on a P100 under Win95. Image load times -are not included in the timings: - -+----------------------+------------+-------------+----------------+ -| | **8-bit** | **16-bit** | **24-bit** | -+----------------------+------------+-------------+----------------+ -| 1. original 4.2 code | 5.52 s | 8.57 s | 3.79 s | -+----------------------+------------+-------------+----------------+ -| 2. booster patch | 5.49 s | 1.87 s | 1.82 s | -+----------------------+------------+-------------+----------------+ -| speedup | None | 4.6x | 2.1x | -+----------------------+------------+-------------+----------------+ - -Here's the patches: - -1. For portability and speed, the best thing under Windows is to -treat 16-bit displays as if they were 24-bit. The Windows device -drivers take care of the rest. - -.. Note:: - - If you have Tk 4.1 or Tk 8.0b1, you don't have to apply this - patch! It only applies to Tk 4.2, Tk 8.0a[12] and Tk 8.0b2. - -In ``win/tkWinImage.c``, change the following line in ``XCreateImage``:: - - imagePtr->bits_per_pixel = depth; - -to:: - - /* ==================================================================== */ - /* The tk photo image booster patch -- patch section 1 */ - /* ==================================================================== */ - - if (visual->class == TrueColor) - /* true colour is stored as 3 bytes: (blue, green, red) */ - imagePtr->bits_per_pixel = 24; - else - imagePtr->bits_per_pixel = depth; - - /* ==================================================================== */ - - -2. The DitherInstance implementation is not good. It's especially -bad on highend truecolour displays. IMO, it should be rewritten from -scratch (some other day...). - -Anyway, the following band-aid makes the situation a little bit -better under Windows. This hack trades some marginal quality (no -dithering on 16-bit displays) for a dramatic performance boost. -Requires patch 1, unless you're using Tk 4.1 or Tk 8.0b1. - -In generic/tkImgPhoto.c, add the #ifdef section to the DitherInstance -function:: - - /* ==================================================================== */ - - for (; height > 0; height -= nLines) { - if (nLines > height) { - nLines = height; - } - dstLinePtr = (unsigned char *) imagePtr->data; - yEnd = yStart + nLines; - - /* ==================================================================== */ - /* The tk photo image booster patch -- patch section 2 */ - /* ==================================================================== */ - - #ifdef __WIN32__ - if (colorPtr->visualInfo.class == TrueColor - && instancePtr->gamma == 1.0) { - /* Windows hicolor/truecolor booster */ - for (y = yStart; y < yEnd; ++y) { - destBytePtr = dstLinePtr; - srcPtr = srcLinePtr; - for (x = xStart; x < xEnd; ++x) { - destBytePtr[0] = srcPtr[2]; - destBytePtr[1] = srcPtr[1]; - destBytePtr[2] = srcPtr[0]; - destBytePtr += 3; srcPtr += 3; - } - srcLinePtr += lineLength; - dstLinePtr += bytesPerLine; - } - } else - #endif - - /* ==================================================================== */ - - for (y = yStart; y < yEnd; ++y) { - srcPtr = srcLinePtr; - errPtr = errLinePtr; - destBytePtr = dstLinePtr; - -The PIL Bitmap Booster Patch -==================================================================== - -The pilbitmap booster patch greatly improves performance of the -ImageTk.BitmapImage constructor. Unfortunately, the design of Tk -doesn't allow us to do this from the tkImaging interface module, so -you have to patch the Tk sources. - -Once installed, the ImageTk module will automatically detect this -patch. - -(Note: this patch has been tested with Tk 8.0 on Win32 only, but it -should work just fine on other platforms as well). - -1. To the beginning of TkGetBitmapData (in generic/tkImgBmap.c), add - the following stuff:: - - /* ==================================================================== */ - - int width, height, numBytes, hotX, hotY; - char *p, *end, *expandedFileName; - ParseInfo pi; - char *data = NULL; - Tcl_DString buffer; - - /* ==================================================================== */ - /* The pilbitmap booster patch -- patch section */ - /* ==================================================================== */ - - char *PILGetBitmapData(); - - if (string) { - /* Is this a PIL bitmap reference? */ - data = PILGetBitmapData(string, widthPtr, heightPtr, hotXPtr, hotYPtr); - if (data) - return data; - } - - /* ==================================================================== */ - - pi.string = string; - if (string == NULL) { - if (Tcl_IsSafe(interp)) { - -2. Append the following to the same file (you may wish to include -Imaging.h instead of copying the struct declaration...):: - - /* ==================================================================== */ - /* The pilbitmap booster patch -- code section */ - /* ==================================================================== */ - - /* Imaging declaration boldly copied from Imaging.h (!) */ - - typedef struct ImagingInstance *Imaging; /* a.k.a. ImagingImage :-) */ - - typedef unsigned char UINT8; - typedef int INT32; - - struct ImagingInstance { - - /* Format */ - char mode[4+1]; /* Band names ("1", "L", "P", "RGB", "RGBA", "CMYK") */ - int type; /* Always 0 in this version */ - int depth; /* Always 8 in this version */ - int bands; /* Number of bands (1, 3, or 4) */ - int xsize; /* Image dimension. */ - int ysize; - - /* Colour palette (for "P" images only) */ - void* palette; - - /* Data pointers */ - UINT8 **image8; /* Set for 8-bit image (pixelsize=1). */ - INT32 **image32; /* Set for 32-bit image (pixelsize=4). */ - - /* Internals */ - char **image; /* Actual raster data. */ - char *block; /* Set if data is allocated in a single block. */ - - int pixelsize; /* Size of a pixel, in bytes (1 or 4) */ - int linesize; /* Size of a line, in bytes (xsize * pixelsize) */ - - /* Virtual methods */ - void (*im_delete)(Imaging *); - - }; - - /* The pilbitmap booster patch allows you to pass PIL images to the - Tk bitmap decoder. Passing images this way is much more efficient - than using the "tobitmap" method. */ - - char * - PILGetBitmapData(string, widthPtr, heightPtr, hotXPtr, hotYPtr) - char *string; - int *widthPtr, *heightPtr; - int *hotXPtr, *hotYPtr; - { - char* data; - char* p; - int y; - Imaging im; - - if (strncmp(string, "PIL:", 4) != 0) - return NULL; - - im = (Imaging) atol(string + 4); - - if (strcmp(im->mode, "1") != 0 && strcmp(im->mode, "L") != 0) - return NULL; - - data = p = (char *) ckalloc((unsigned) ((im->xsize+7)/8) * im->ysize); - - for (y = 0; y < im->ysize; y++) { - char* in = im->image8[y]; - int i, m, b; - b = 0; m = 1; - for (i = 0; i < im->xsize; i++) { - if (in[i] != 0) - b |= m; - m <<= 1; - if (m == 256){ - *p++ = b; - b = 0; m = 1; - } - } - if (m != 1) - *p++ = b; - } - - *widthPtr = im->xsize; - *heightPtr = im->ysize; - *hotXPtr = -1; - *hotYPtr = -1; - - return data; - } - - /* ==================================================================== */ - -3. Recompile Tk and relink the _tkinter module (where necessary). \ No newline at end of file diff --git a/Tk/tkImaging.c b/Tk/tkImaging.c deleted file mode 100644 index 5999a140a7e..00000000000 --- a/Tk/tkImaging.c +++ /dev/null @@ -1,471 +0,0 @@ -/* - * The Python Imaging Library. - * $Id$ - * - * TK interface for Python Imaging objects - * - * Copies (parts of) a named display memory to a photo image object. - * Also contains code to create an display memory. Under Tk, a - * display memory is simply an "L" or "RGB" image memory that is - * allocated in a single block. - * - * To use this module, import the _imagingtk module (ImageTk does - * this for you). - * - * If you're using Python in an embedded context, you can add the - * following lines to your Tcl_AppInit function (in tkappinit.c) - * instead. Put them after the calls to Tcl_Init and Tk_Init: - * - * { - * extern void TkImaging_Init(Tcl_Interp* interp); - * TkImaging_Init(interp); - * } - * - * This registers a Tcl command called "PyImagingPhoto", which is used - * to communicate between PIL and Tk's PhotoImage handler. - * - * Compile and link tkImaging.c with tkappinit.c and _tkinter (see the - * Setup file for details on how to use tkappinit.c). Note that - * _tkinter.c must be compiled with WITH_APPINIT. - * - * History: - * 1995-09-12 fl Created - * 1996-04-08 fl Ready for release - * 1997-05-09 fl Use command instead of image type - * 2001-03-18 fl Initialize alpha layer pointer (struct changed in 8.3) - * 2003-04-23 fl Fixed building for Tk 8.4.1 and later (Jack Jansen) - * 2004-06-24 fl Fixed building for Tk 8.4.6 and later. - * - * Copyright (c) 1997-2004 by Secret Labs AB - * Copyright (c) 1995-2004 by Fredrik Lundh - * - * See the README file for information on usage and redistribution. - */ - -#include "Imaging.h" -#include "_tkmini.h" - -#include - -/* - * Global vars for Tcl / Tk functions. We load these symbols from the tkinter - * extension module or loaded Tcl / Tk libraries at run-time. - */ -static int TK_LT_85 = 0; -static Tcl_CreateCommand_t TCL_CREATE_COMMAND; -static Tcl_AppendResult_t TCL_APPEND_RESULT; -static Tk_FindPhoto_t TK_FIND_PHOTO; -static Tk_PhotoGetImage_t TK_PHOTO_GET_IMAGE; -static Tk_PhotoPutBlock_84_t TK_PHOTO_PUT_BLOCK_84; -static Tk_PhotoSetSize_84_t TK_PHOTO_SET_SIZE_84; -static Tk_PhotoPutBlock_85_t TK_PHOTO_PUT_BLOCK_85; - -static Imaging -ImagingFind(const char* name) -{ - Py_ssize_t id; - - /* FIXME: use CObject instead? */ -#if defined(_MSC_VER) && defined(_WIN64) - id = _atoi64(name); -#else - id = atol(name); -#endif - if (!id) - return NULL; - - return (Imaging) id; -} - - -static int -PyImagingPhotoPut(ClientData clientdata, Tcl_Interp* interp, - int argc, const char **argv) -{ - Imaging im; - Tk_PhotoHandle photo; - Tk_PhotoImageBlock block; - - if (argc != 3) { - TCL_APPEND_RESULT(interp, "usage: ", argv[0], - " destPhoto srcImage", (char *) NULL); - return TCL_ERROR; - } - - /* get Tcl PhotoImage handle */ - photo = TK_FIND_PHOTO(interp, argv[1]); - if (photo == NULL) { - TCL_APPEND_RESULT( - interp, "destination photo must exist", (char *) NULL - ); - return TCL_ERROR; - } - - /* get PIL Image handle */ - im = ImagingFind(argv[2]); - if (!im) { - TCL_APPEND_RESULT(interp, "bad name", (char*) NULL); - return TCL_ERROR; - } - if (!im->block) { - TCL_APPEND_RESULT(interp, "bad display memory", (char*) NULL); - return TCL_ERROR; - } - - /* Active region */ -#if 0 - if (src_xoffset + xsize > im->xsize) - xsize = im->xsize - src_xoffset; - if (src_yoffset + ysize > im->ysize) - ysize = im->ysize - src_yoffset; - if (xsize < 0 || ysize < 0 - || src_xoffset >= im->xsize - || src_yoffset >= im->ysize) - return TCL_OK; -#endif - - /* Mode */ - - if (strcmp(im->mode, "1") == 0 || strcmp(im->mode, "L") == 0) { - block.pixelSize = 1; - block.offset[0] = block.offset[1] = block.offset[2] = 0; - } else if (strncmp(im->mode, "RGB", 3) == 0) { - block.pixelSize = 4; - block.offset[0] = 0; - block.offset[1] = 1; - block.offset[2] = 2; - if (strcmp(im->mode, "RGBA") == 0) - block.offset[3] = 3; /* alpha (or reserved, under 8.2) */ - else - block.offset[3] = 0; /* no alpha */ - } else { - TCL_APPEND_RESULT(interp, "Bad mode", (char*) NULL); - return TCL_ERROR; - } - - block.width = im->xsize; - block.height = im->ysize; - block.pitch = im->linesize; - block.pixelPtr = (unsigned char*) im->block; -#if 0 - block.pixelPtr = (unsigned char*) im->block + - src_yoffset * im->linesize + - src_xoffset * im->pixelsize; -#endif - - if (TK_LT_85) { /* Tk 8.4 */ - TK_PHOTO_PUT_BLOCK_84(photo, &block, 0, 0, block.width, block.height, - TK_PHOTO_COMPOSITE_SET); - if (strcmp(im->mode, "RGBA") == 0) - /* Tk workaround: we need apply ToggleComplexAlphaIfNeeded */ - /* (fixed in Tk 8.5a3) */ - TK_PHOTO_SET_SIZE_84(photo, block.width, block.height); - } else { - /* Tk >=8.5 */ - TK_PHOTO_PUT_BLOCK_85(interp, photo, &block, 0, 0, block.width, - block.height, TK_PHOTO_COMPOSITE_SET); - } - - return TCL_OK; -} - - -static int -PyImagingPhotoGet(ClientData clientdata, Tcl_Interp* interp, - int argc, const char **argv) -{ - Tk_PhotoHandle photo; - Tk_PhotoImageBlock block; - - if (argc != 2) { - TCL_APPEND_RESULT(interp, "usage: ", argv[0], - " srcPhoto", (char *) NULL); - return TCL_ERROR; - } - - /* get Tcl PhotoImage handle */ - photo = TK_FIND_PHOTO(interp, argv[1]); - if (photo == NULL) { - TCL_APPEND_RESULT( - interp, "source photo must exist", (char *) NULL - ); - return TCL_ERROR; - } - - TK_PHOTO_GET_IMAGE(photo, &block); - - printf("pixelPtr = %p\n", block.pixelPtr); - printf("width = %d\n", block.width); - printf("height = %d\n", block.height); - printf("pitch = %d\n", block.pitch); - printf("pixelSize = %d\n", block.pixelSize); - printf("offset = %d %d %d %d\n", block.offset[0], block.offset[1], - block.offset[2], block.offset[3]); - - TCL_APPEND_RESULT( - interp, "this function is not yet supported", (char *) NULL - ); - - return TCL_ERROR; -} - - -void -TkImaging_Init(Tcl_Interp* interp) -{ - TCL_CREATE_COMMAND(interp, "PyImagingPhoto", PyImagingPhotoPut, - (ClientData) 0, (Tcl_CmdDeleteProc*) NULL); - TCL_CREATE_COMMAND(interp, "PyImagingPhotoGet", PyImagingPhotoGet, - (ClientData) 0, (Tcl_CmdDeleteProc*) NULL); -} - -/* - * Functions to fill global Tcl / Tk function pointers by dynamic loading - */ - -#define TKINTER_FINDER "PIL._tkinter_finder" - -#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) - -/* - * On Windows, we can't load the tkinter module to get the Tcl or Tk symbols, - * because Windows does not load symbols into the library name-space of - * importing modules. So, knowing that tkinter has already been imported by - * Python, we scan all modules in the running process for the Tcl and Tk - * function names. - */ -#include -#define PSAPI_VERSION 1 -#include -/* Must be linked with 'psapi' library */ - -#if PY_VERSION_HEX >= 0x03000000 -#define TKINTER_PKG "tkinter" -#else -#define TKINTER_PKG "Tkinter" -#endif - -FARPROC _dfunc(HMODULE lib_handle, const char *func_name) -{ - /* - * Load function `func_name` from `lib_handle`. - * Set Python exception if we can't find `func_name` in `lib_handle`. - * Returns function pointer or NULL if not present. - */ - - char message[100]; - - FARPROC func = GetProcAddress(lib_handle, func_name); - if (func == NULL) { - sprintf(message, "Cannot load function %s", func_name); - PyErr_SetString(PyExc_RuntimeError, message); - } - return func; -} - -int get_tcl(HMODULE hMod) -{ - /* - * Try to fill Tcl global vars with function pointers. Return 0 for no - * functions found, 1 for all functions found, -1 for some but not all - * functions found. - */ - - if ((TCL_CREATE_COMMAND = (Tcl_CreateCommand_t) - GetProcAddress(hMod, "Tcl_CreateCommand")) == NULL) { - return 0; /* Maybe not Tcl module */ - } - return ((TCL_APPEND_RESULT = (Tcl_AppendResult_t) _dfunc(hMod, - "Tcl_AppendResult")) == NULL) ? -1 : 1; -} - -int get_tk(HMODULE hMod) -{ - /* - * Try to fill Tk global vars with function pointers. Return 0 for no - * functions found, 1 for all functions found, -1 for some but not all - * functions found. - */ - - FARPROC func = GetProcAddress(hMod, "Tk_PhotoPutBlock"); - if (func == NULL) { /* Maybe not Tk module */ - return 0; - } - if ((TK_PHOTO_GET_IMAGE = (Tk_PhotoGetImage_t) - _dfunc(hMod, "Tk_PhotoGetImage")) == NULL) { return -1; }; - if ((TK_FIND_PHOTO = (Tk_FindPhoto_t) - _dfunc(hMod, "Tk_FindPhoto")) == NULL) { return -1; }; - TK_LT_85 = GetProcAddress(hMod, "Tk_PhotoPutBlock_Panic") == NULL; - /* Tk_PhotoPutBlock_Panic defined as of 8.5.0 */ - if (TK_LT_85) { - TK_PHOTO_PUT_BLOCK_84 = (Tk_PhotoPutBlock_84_t) func; - return ((TK_PHOTO_SET_SIZE_84 = (Tk_PhotoSetSize_84_t) - _dfunc(hMod, "Tk_PhotoSetSize")) == NULL) ? -1 : 1; - } - TK_PHOTO_PUT_BLOCK_85 = (Tk_PhotoPutBlock_85_t) func; - return 1; -} - -int load_tkinter_funcs(void) -{ - /* - * Load Tcl and Tk functions by searching all modules in current process. - * Return 0 for success, non-zero for failure. - */ - - HMODULE hMods[1024]; - HANDLE hProcess; - DWORD cbNeeded; - unsigned int i; - int found_tcl = 0; - int found_tk = 0; - - /* First load tkinter module to make sure libraries are loaded */ - PyObject *pModule = PyImport_ImportModule(TKINTER_PKG); - if (pModule == NULL) { - return 1; - } - Py_DECREF(pModule); - - /* Returns pseudo-handle that does not need to be closed */ - hProcess = GetCurrentProcess(); - - /* Iterate through modules in this process looking for Tcl / Tk names */ - if (EnumProcessModules(hProcess, hMods, sizeof(hMods), &cbNeeded)) { - for (i = 0; i < (cbNeeded / sizeof(HMODULE)); i++) { - if (!found_tcl) { - found_tcl = get_tcl(hMods[i]); - if (found_tcl == -1) { - return 1; - } - } - if (!found_tk) { - found_tk = get_tk(hMods[i]); - if (found_tk == -1) { - return 1; - } - } - if (found_tcl && found_tk) { - return 0; - } - } - } - - if (found_tcl == 0) { - PyErr_SetString(PyExc_RuntimeError, "Could not find Tcl routines"); - } else { - PyErr_SetString(PyExc_RuntimeError, "Could not find Tk routines"); - } - return 1; -} - -#else /* not Windows */ - -/* - * On Unix, we can get the Tcl and Tk symbols from the tkinter module, because - * tkinter uses these symbols, and the symbols are therefore visible in the - * tkinter dynamic library (module). - */ - -/* From module __file__ attribute to char *string for dlopen. */ -#if PY_VERSION_HEX >= 0x03000000 -char *fname2char(PyObject *fname) -{ - PyObject* bytes; - bytes = PyUnicode_EncodeFSDefault(fname); - if (bytes == NULL) { - return NULL; - } - return PyBytes_AsString(bytes); -} -#else -#define fname2char(s) (PyString_AsString(s)) -#endif - -#include - -void *_dfunc(void *lib_handle, const char *func_name) -{ - /* - * Load function `func_name` from `lib_handle`. - * Set Python exception if we can't find `func_name` in `lib_handle`. - * Returns function pointer or NULL if not present. - */ - - void* func; - /* Reset errors. */ - dlerror(); - func = dlsym(lib_handle, func_name); - if (func == NULL) { - const char *error = dlerror(); - PyErr_SetString(PyExc_RuntimeError, error); - } - return func; -} - -int _func_loader(void *lib) -{ - /* - * Fill global function pointers from dynamic lib. - * Return 1 if any pointer is NULL, 0 otherwise. - */ - - if ((TCL_CREATE_COMMAND = (Tcl_CreateCommand_t) - _dfunc(lib, "Tcl_CreateCommand")) == NULL) { return 1; } - if ((TCL_APPEND_RESULT = (Tcl_AppendResult_t) _dfunc(lib, - "Tcl_AppendResult")) == NULL) { return 1; } - if ((TK_PHOTO_GET_IMAGE = (Tk_PhotoGetImage_t) - _dfunc(lib, "Tk_PhotoGetImage")) == NULL) { return 1; } - if ((TK_FIND_PHOTO = (Tk_FindPhoto_t) - _dfunc(lib, "Tk_FindPhoto")) == NULL) { return 1; } - /* Tk_PhotoPutBlock_Panic defined as of 8.5.0 */ - TK_LT_85 = (dlsym(lib, "Tk_PhotoPutBlock_Panic") == NULL); - if (TK_LT_85) { - return (((TK_PHOTO_PUT_BLOCK_84 = (Tk_PhotoPutBlock_84_t) - _dfunc(lib, "Tk_PhotoPutBlock")) == NULL) || - ((TK_PHOTO_SET_SIZE_84 = (Tk_PhotoSetSize_84_t) - _dfunc(lib, "Tk_PhotoSetSize")) == NULL)); - } - return ((TK_PHOTO_PUT_BLOCK_85 = (Tk_PhotoPutBlock_85_t) - _dfunc(lib, "Tk_PhotoPutBlock")) == NULL); -} - -int load_tkinter_funcs(void) -{ - /* - * Load tkinter global funcs from tkinter compiled module. - * Return 0 for success, non-zero for failure. - */ - - int ret = -1; - void *tkinter_lib; - char *tkinter_libname; - PyObject *pModule = NULL, *pString = NULL; - - pModule = PyImport_ImportModule(TKINTER_FINDER); - if (pModule == NULL) { - goto exit; - } - pString = PyObject_GetAttrString(pModule, "TKINTER_LIB"); - if (pString == NULL) { - goto exit; - } - tkinter_libname = fname2char(pString); - if (tkinter_libname == NULL) { - goto exit; - } - tkinter_lib = dlopen(tkinter_libname, RTLD_LAZY); - if (tkinter_lib == NULL) { - PyErr_SetString(PyExc_RuntimeError, - "Cannot dlopen tkinter module file"); - goto exit; - } - ret = _func_loader(tkinter_lib); - /* dlclose probably safe because tkinter has been imported. */ - dlclose(tkinter_lib); -exit: - Py_XDECREF(pModule); - Py_XDECREF(pString); - return ret; -} -#endif /* end not Windows */ diff --git a/_imaging.c b/_imaging.c deleted file mode 100644 index 8a69aafd622..00000000000 --- a/_imaging.c +++ /dev/null @@ -1,3524 +0,0 @@ -/* - * The Python Imaging Library. - * - * the imaging library bindings - * - * history: - * 1995-09-24 fl Created - * 1996-03-24 fl Ready for first public release (release 0.0) - * 1996-03-25 fl Added fromstring (for Jack's "img" library) - * 1996-03-28 fl Added channel operations - * 1996-03-31 fl Added point operation - * 1996-04-08 fl Added new/new_block/new_array factories - * 1996-04-13 fl Added decoders - * 1996-05-04 fl Added palette hack - * 1996-05-12 fl Compile cleanly as C++ - * 1996-05-19 fl Added matrix conversions, gradient fills - * 1996-05-27 fl Added display_mode - * 1996-07-22 fl Added getbbox, offset - * 1996-07-23 fl Added sequence semantics - * 1996-08-13 fl Added logical operators, point mode - * 1996-08-16 fl Modified paste interface - * 1996-09-06 fl Added putdata methods, use abstract interface - * 1996-11-01 fl Added xbm encoder - * 1996-11-04 fl Added experimental path stuff, draw_lines, etc - * 1996-12-10 fl Added zip decoder, crc32 interface - * 1996-12-14 fl Added modulo arithmetics - * 1996-12-29 fl Added zip encoder - * 1997-01-03 fl Added fli and msp decoders - * 1997-01-04 fl Added experimental sun_rle and tga_rle decoders - * 1997-01-05 fl Added gif encoder, getpalette hack - * 1997-02-23 fl Added histogram mask - * 1997-05-12 fl Minor tweaks to match the IFUNC95 interface - * 1997-05-21 fl Added noise generator, spread effect - * 1997-06-05 fl Added mandelbrot generator - * 1997-08-02 fl Modified putpalette to coerce image mode if necessary - * 1998-01-11 fl Added INT32 support - * 1998-01-22 fl Fixed draw_points to draw the last point too - * 1998-06-28 fl Added getpixel, getink, draw_ink - * 1998-07-12 fl Added getextrema - * 1998-07-17 fl Added point conversion to arbitrary formats - * 1998-09-21 fl Added support for resampling filters - * 1998-09-22 fl Added support for quad transform - * 1998-12-29 fl Added support for arcs, chords, and pieslices - * 1999-01-10 fl Added some experimental arrow graphics stuff - * 1999-02-06 fl Added draw_bitmap, font acceleration stuff - * 2001-04-17 fl Fixed some egcs compiler nits - * 2001-09-17 fl Added screen grab primitives (win32) - * 2002-03-09 fl Added stretch primitive - * 2002-03-10 fl Fixed filter handling in rotate - * 2002-06-06 fl Added I, F, and RGB support to putdata - * 2002-06-08 fl Added rankfilter - * 2002-06-09 fl Added support for user-defined filter kernels - * 2002-11-19 fl Added clipboard grab primitives (win32) - * 2002-12-11 fl Added draw context - * 2003-04-26 fl Tweaks for Python 2.3 beta 1 - * 2003-05-21 fl Added createwindow primitive (win32) - * 2003-09-13 fl Added thread section hooks - * 2003-09-15 fl Added expand helper - * 2003-09-26 fl Added experimental LA support - * 2004-02-21 fl Handle zero-size images in quantize - * 2004-06-05 fl Added ptr attribute (used to access Imaging objects) - * 2004-06-05 fl Don't crash when fetching pixels from zero-wide images - * 2004-09-17 fl Added getcolors - * 2004-10-04 fl Added modefilter - * 2005-10-02 fl Added access proxy - * 2006-06-18 fl Always draw last point in polyline - * - * Copyright (c) 1997-2006 by Secret Labs AB - * Copyright (c) 1995-2006 by Fredrik Lundh - * - * See the README file for information on usage and redistribution. - */ - -#define PILLOW_VERSION "3.4.0" - -#include "Python.h" - -#ifdef HAVE_LIBZ -#include "zlib.h" -#endif - -#include "Imaging.h" - -#include "py3.h" - -/* Configuration stuff. Feel free to undef things you don't need. */ -#define WITH_IMAGECHOPS /* ImageChops support */ -#define WITH_IMAGEDRAW /* ImageDraw support */ -#define WITH_MAPPING /* use memory mapping to read some file formats */ -#define WITH_IMAGEPATH /* ImagePath stuff */ -#define WITH_ARROW /* arrow graphics stuff (experimental) */ -#define WITH_EFFECTS /* special effects */ -#define WITH_QUANTIZE /* quantization support */ -#define WITH_RANKFILTER /* rank filter */ -#define WITH_MODEFILTER /* mode filter */ -#define WITH_THREADING /* "friendly" threading support */ -#define WITH_UNSHARPMASK /* Kevin Cazabon's unsharpmask module */ - -#define WITH_DEBUG /* extra debugging interfaces */ - -#undef VERBOSE - -#define CLIP(x) ((x) <= 0 ? 0 : (x) < 256 ? (x) : 255) - -#define B16(p, i) ((((int)p[(i)]) << 8) + p[(i)+1]) -#define L16(p, i) ((((int)p[(i)+1]) << 8) + p[(i)]) -#define S16(v) ((v) < 32768 ? (v) : ((v) - 65536)) - -/* -------------------------------------------------------------------- */ -/* OBJECT ADMINISTRATION */ -/* -------------------------------------------------------------------- */ - -typedef struct { - PyObject_HEAD - Imaging image; - ImagingAccess access; -} ImagingObject; - -static PyTypeObject Imaging_Type; - -#ifdef WITH_IMAGEDRAW - -typedef struct -{ - /* to write a character, cut out sxy from glyph data, place - at current position plus dxy, and advance by (dx, dy) */ - int dx, dy; - int dx0, dy0, dx1, dy1; - int sx0, sy0, sx1, sy1; -} Glyph; - -typedef struct { - PyObject_HEAD - ImagingObject* ref; - Imaging bitmap; - int ysize; - int baseline; - Glyph glyphs[256]; -} ImagingFontObject; - -static PyTypeObject ImagingFont_Type; - -typedef struct { - PyObject_HEAD - ImagingObject* image; - UINT8 ink[4]; - int blend; -} ImagingDrawObject; - -static PyTypeObject ImagingDraw_Type; - -#endif - -typedef struct { - PyObject_HEAD - ImagingObject* image; - int readonly; -} PixelAccessObject; - -static PyTypeObject PixelAccess_Type; - -PyObject* -PyImagingNew(Imaging imOut) -{ - ImagingObject* imagep; - - if (!imOut) - return NULL; - - imagep = PyObject_New(ImagingObject, &Imaging_Type); - if (imagep == NULL) { - ImagingDelete(imOut); - return NULL; - } - -#ifdef VERBOSE - printf("imaging %p allocated\n", imagep); -#endif - - imagep->image = imOut; - imagep->access = ImagingAccessNew(imOut); - - return (PyObject*) imagep; -} - -static void -_dealloc(ImagingObject* imagep) -{ - -#ifdef VERBOSE - printf("imaging %p deleted\n", imagep); -#endif - - if (imagep->access) - ImagingAccessDelete(imagep->image, imagep->access); - ImagingDelete(imagep->image); - PyObject_Del(imagep); -} - -#define PyImaging_Check(op) (Py_TYPE(op) == &Imaging_Type) - -Imaging PyImaging_AsImaging(PyObject *op) -{ - if (!PyImaging_Check(op)) { - PyErr_BadInternalCall(); - return NULL; - } - - return ((ImagingObject *)op)->image; -} - - -/* -------------------------------------------------------------------- */ -/* THREAD HANDLING */ -/* -------------------------------------------------------------------- */ - -void ImagingSectionEnter(ImagingSectionCookie* cookie) -{ -#ifdef WITH_THREADING - *cookie = (PyThreadState *) PyEval_SaveThread(); -#endif -} - -void ImagingSectionLeave(ImagingSectionCookie* cookie) -{ -#ifdef WITH_THREADING - PyEval_RestoreThread((PyThreadState*) *cookie); -#endif -} - -/* -------------------------------------------------------------------- */ -/* BUFFER HANDLING */ -/* -------------------------------------------------------------------- */ -/* Python compatibility API */ - -int PyImaging_CheckBuffer(PyObject* buffer) -{ -#if PY_VERSION_HEX >= 0x03000000 - return PyObject_CheckBuffer(buffer); -#else - return PyObject_CheckBuffer(buffer) || PyObject_CheckReadBuffer(buffer); -#endif -} - -int PyImaging_GetBuffer(PyObject* buffer, Py_buffer *view) -{ - /* must call check_buffer first! */ -#if PY_VERSION_HEX >= 0x03000000 - return PyObject_GetBuffer(buffer, view, PyBUF_SIMPLE); -#else - /* Use new buffer protocol if available - (mmap doesn't support this in 2.7, go figure) */ - if (PyObject_CheckBuffer(buffer)) { - return PyObject_GetBuffer(buffer, view, PyBUF_SIMPLE); - } - - /* Pretend we support the new protocol; PyBuffer_Release happily ignores - calling bf_releasebuffer on objects that don't support it */ - view->buf = NULL; - view->len = 0; - view->readonly = 1; - view->format = NULL; - view->ndim = 0; - view->shape = NULL; - view->strides = NULL; - view->suboffsets = NULL; - view->itemsize = 0; - view->internal = NULL; - - Py_INCREF(buffer); - view->obj = buffer; - - return PyObject_AsReadBuffer(buffer, (void *) &view->buf, &view->len); -#endif -} - -/* -------------------------------------------------------------------- */ -/* EXCEPTION REROUTING */ -/* -------------------------------------------------------------------- */ - -/* error messages */ -static const char* must_be_sequence = "argument must be a sequence"; -static const char* must_be_two_coordinates = - "coordinate list must contain exactly 2 coordinates"; -static const char* wrong_mode = "unrecognized image mode"; -static const char* wrong_raw_mode = "unrecognized raw mode"; -static const char* outside_image = "image index out of range"; -static const char* outside_palette = "palette index out of range"; -static const char* wrong_palette_size = "invalid palette size"; -static const char* no_palette = "image has no palette"; -static const char* readonly = "image is readonly"; -/* static const char* no_content = "image has no content"; */ - -void * -ImagingError_IOError(void) -{ - PyErr_SetString(PyExc_IOError, "error when accessing file"); - return NULL; -} - -void * -ImagingError_MemoryError(void) -{ - return PyErr_NoMemory(); -} - -void * -ImagingError_Mismatch(void) -{ - PyErr_SetString(PyExc_ValueError, "images do not match"); - return NULL; -} - -void * -ImagingError_ModeError(void) -{ - PyErr_SetString(PyExc_ValueError, "image has wrong mode"); - return NULL; -} - -void * -ImagingError_ValueError(const char *message) -{ - PyErr_SetString( - PyExc_ValueError, - (message) ? (char*) message : "unrecognized argument value" - ); - return NULL; -} - -void -ImagingError_Clear(void) -{ - PyErr_Clear(); -} - -/* -------------------------------------------------------------------- */ -/* HELPERS */ -/* -------------------------------------------------------------------- */ - -static int -getbands(const char* mode) -{ - Imaging im; - int bands; - - /* FIXME: add primitive to libImaging to avoid extra allocation */ - im = ImagingNew(mode, 0, 0); - if (!im) - return -1; - - bands = im->bands; - - ImagingDelete(im); - - return bands; -} - -#define TYPE_UINT8 (0x100|sizeof(UINT8)) -#define TYPE_INT32 (0x200|sizeof(INT32)) -#define TYPE_FLOAT32 (0x300|sizeof(FLOAT32)) -#define TYPE_DOUBLE (0x400|sizeof(double)) - -static void* -getlist(PyObject* arg, Py_ssize_t* length, const char* wrong_length, int type) -{ - /* - allocates and returns a c array of the items in the - python sequence arg. - - the size of the returned array is in length - - all of the arg items must be numeric items of the type - specified in type - - sequence length is checked against the length parameter IF - an error parameter is passed in wrong_length - - caller is responsible for freeing the memory - */ - - Py_ssize_t i, n; - int itemp; - double dtemp; - void* list; - PyObject* seq; - PyObject* op; - - if (!PySequence_Check(arg)) { - PyErr_SetString(PyExc_TypeError, must_be_sequence); - return NULL; - } - - n = PyObject_Length(arg); - if (length && wrong_length && n != *length) { - PyErr_SetString(PyExc_ValueError, wrong_length); - return NULL; - } - - /* malloc check ok, type & ff is just a sizeof(something) - calloc checks for overflow */ - list = calloc(n, type & 0xff); - if (!list) - return PyErr_NoMemory(); - - seq = PySequence_Fast(arg, must_be_sequence); - if (!seq) { - free(list); - PyErr_SetString(PyExc_TypeError, must_be_sequence); - return NULL; - } - - for (i = 0; i < n; i++) { - op = PySequence_Fast_GET_ITEM(seq, i); - // DRY, branch prediction is going to work _really_ well - // on this switch. And 3 fewer loops to copy/paste. - switch (type) { - case TYPE_UINT8: - itemp = PyInt_AsLong(op); - ((UINT8*)list)[i] = CLIP(itemp); - break; - case TYPE_INT32: - itemp = PyInt_AsLong(op); - ((INT32*)list)[i] = itemp; - break; - case TYPE_FLOAT32: - dtemp = PyFloat_AsDouble(op); - ((FLOAT32*)list)[i] = (FLOAT32) dtemp; - break; - case TYPE_DOUBLE: - dtemp = PyFloat_AsDouble(op); - ((double*)list)[i] = (double) dtemp; - break; - } - } - - if (length) - *length = n; - - PyErr_Clear(); - Py_DECREF(seq); - - return list; -} - -static inline PyObject* -getpixel(Imaging im, ImagingAccess access, int x, int y) -{ - union { - UINT8 b[4]; - UINT16 h; - INT32 i; - FLOAT32 f; - } pixel; - - if (x < 0 || x >= im->xsize || y < 0 || y >= im->ysize) { - PyErr_SetString(PyExc_IndexError, outside_image); - return NULL; - } - - access->get_pixel(im, x, y, &pixel); - - switch (im->type) { - case IMAGING_TYPE_UINT8: - switch (im->bands) { - case 1: - return PyInt_FromLong(pixel.b[0]); - case 2: - return Py_BuildValue("BB", pixel.b[0], pixel.b[1]); - case 3: - return Py_BuildValue("BBB", pixel.b[0], pixel.b[1], pixel.b[2]); - case 4: - return Py_BuildValue("BBBB", pixel.b[0], pixel.b[1], pixel.b[2], pixel.b[3]); - } - break; - case IMAGING_TYPE_INT32: - return PyInt_FromLong(pixel.i); - case IMAGING_TYPE_FLOAT32: - return PyFloat_FromDouble(pixel.f); - case IMAGING_TYPE_SPECIAL: - if (strncmp(im->mode, "I;16", 4) == 0) - return PyInt_FromLong(pixel.h); - break; - } - - /* unknown type */ - Py_INCREF(Py_None); - return Py_None; -} - -static char* -getink(PyObject* color, Imaging im, char* ink) -{ - int g=0, b=0, a=0; - double f=0; - /* Windows 64 bit longs are 32 bits, and 0xFFFFFFFF (white) is a - python long (not int) that raises an overflow error when trying - to return it into a 32 bit C long - */ - PY_LONG_LONG r = 0; - - /* fill ink buffer (four bytes) with something that can - be cast to either UINT8 or INT32 */ - - int rIsInt = 0; - if (im->type == IMAGING_TYPE_UINT8 || - im->type == IMAGING_TYPE_INT32 || - im->type == IMAGING_TYPE_SPECIAL) { -#if PY_VERSION_HEX >= 0x03000000 - if (PyLong_Check(color)) { - r = PyLong_AsLongLong(color); -#else - if (PyInt_Check(color) || PyLong_Check(color)) { - if (PyInt_Check(color)) - r = PyInt_AS_LONG(color); - else - r = PyLong_AsLongLong(color); -#endif - rIsInt = 1; - } - if (r == -1 && PyErr_Occurred()) { - rIsInt = 0; - } - } - - switch (im->type) { - case IMAGING_TYPE_UINT8: - /* unsigned integer */ - if (im->bands == 1) { - /* unsigned integer, single layer */ - if (rIsInt != 1) { - if (!PyArg_ParseTuple(color, "L", &r)) { - return NULL; - } - } - ink[0] = CLIP(r); - ink[1] = ink[2] = ink[3] = 0; - } else { - a = 255; - if (rIsInt) { - /* compatibility: ABGR */ - a = (UINT8) (r >> 24); - b = (UINT8) (r >> 16); - g = (UINT8) (r >> 8); - r = (UINT8) r; - } else { - if (im->bands == 2) { - if (!PyArg_ParseTuple(color, "L|i", &r, &a)) - return NULL; - g = b = r; - } else { - if (!PyArg_ParseTuple(color, "Lii|i", &r, &g, &b, &a)) - return NULL; - } - } - ink[0] = CLIP(r); - ink[1] = CLIP(g); - ink[2] = CLIP(b); - ink[3] = CLIP(a); - } - return ink; - case IMAGING_TYPE_INT32: - /* signed integer */ - if (rIsInt != 1) - return NULL; - *(INT32*) ink = r; - return ink; - case IMAGING_TYPE_FLOAT32: - /* floating point */ - f = PyFloat_AsDouble(color); - if (f == -1.0 && PyErr_Occurred()) - return NULL; - *(FLOAT32*) ink = (FLOAT32) f; - return ink; - case IMAGING_TYPE_SPECIAL: - if (strncmp(im->mode, "I;16", 4) == 0) { - if (rIsInt != 1) - return NULL; - ink[0] = (UINT8) r; - ink[1] = (UINT8) (r >> 8); - ink[2] = ink[3] = 0; - return ink; - } - } - - PyErr_SetString(PyExc_ValueError, wrong_mode); - return NULL; -} - -/* -------------------------------------------------------------------- */ -/* FACTORIES */ -/* -------------------------------------------------------------------- */ - -static PyObject* -_fill(PyObject* self, PyObject* args) -{ - char* mode; - int xsize, ysize; - PyObject* color; - char buffer[4]; - Imaging im; - - xsize = ysize = 256; - color = NULL; - - if (!PyArg_ParseTuple(args, "s|(ii)O", &mode, &xsize, &ysize, &color)) - return NULL; - - im = ImagingNew(mode, xsize, ysize); - if (!im) - return NULL; - - buffer[0] = buffer[1] = buffer[2] = buffer[3] = 0; - if (color) { - if (!getink(color, im, buffer)) { - ImagingDelete(im); - return NULL; - } - } - - - (void) ImagingFill(im, buffer); - - return PyImagingNew(im); -} - -static PyObject* -_new(PyObject* self, PyObject* args) -{ - char* mode; - int xsize, ysize; - - if (!PyArg_ParseTuple(args, "s(ii)", &mode, &xsize, &ysize)) - return NULL; - - return PyImagingNew(ImagingNew(mode, xsize, ysize)); -} - -static PyObject* -_new_array(PyObject* self, PyObject* args) -{ - char* mode; - int xsize, ysize; - - if (!PyArg_ParseTuple(args, "s(ii)", &mode, &xsize, &ysize)) - return NULL; - - return PyImagingNew(ImagingNewArray(mode, xsize, ysize)); -} - -static PyObject* -_new_block(PyObject* self, PyObject* args) -{ - char* mode; - int xsize, ysize; - - if (!PyArg_ParseTuple(args, "s(ii)", &mode, &xsize, &ysize)) - return NULL; - - return PyImagingNew(ImagingNewBlock(mode, xsize, ysize)); -} - -static PyObject* -_getcount(PyObject* self, PyObject* args) -{ - if (!PyArg_ParseTuple(args, ":getcount")) - return NULL; - - return PyInt_FromLong(ImagingNewCount); -} - -static PyObject* -_linear_gradient(PyObject* self, PyObject* args) -{ - char* mode; - - if (!PyArg_ParseTuple(args, "s", &mode)) - return NULL; - - return PyImagingNew(ImagingFillLinearGradient(mode)); -} - -static PyObject* -_radial_gradient(PyObject* self, PyObject* args) -{ - char* mode; - - if (!PyArg_ParseTuple(args, "s", &mode)) - return NULL; - - return PyImagingNew(ImagingFillRadialGradient(mode)); -} - -static PyObject* -_alpha_composite(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep1; - ImagingObject* imagep2; - - if (!PyArg_ParseTuple(args, "O!O!", - &Imaging_Type, &imagep1, - &Imaging_Type, &imagep2)) - return NULL; - - return PyImagingNew(ImagingAlphaComposite(imagep1->image, imagep2->image)); -} - -static PyObject* -_blend(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep1; - ImagingObject* imagep2; - double alpha; - - alpha = 0.5; - if (!PyArg_ParseTuple(args, "O!O!|d", - &Imaging_Type, &imagep1, - &Imaging_Type, &imagep2, - &alpha)) - return NULL; - - return PyImagingNew(ImagingBlend(imagep1->image, imagep2->image, - (float) alpha)); -} - -/* -------------------------------------------------------------------- */ -/* METHODS */ -/* -------------------------------------------------------------------- */ - -static PyObject* -_convert(ImagingObject* self, PyObject* args) -{ - char* mode; - int dither = 0; - ImagingObject *paletteimage = NULL; - - if (!PyArg_ParseTuple(args, "s|iO", &mode, &dither, &paletteimage)) - return NULL; - if (paletteimage != NULL) { - if (!PyImaging_Check(paletteimage)) { - PyObject_Print((PyObject *)paletteimage, stderr, 0); - PyErr_SetString(PyExc_ValueError, "palette argument must be image with mode 'P'"); - return NULL; - } - if (paletteimage->image->palette == NULL) { - PyErr_SetString(PyExc_ValueError, "null palette"); - return NULL; - } - } - - return PyImagingNew(ImagingConvert(self->image, mode, paletteimage ? paletteimage->image->palette : NULL, dither)); -} - -static PyObject* -_convert2(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep1; - ImagingObject* imagep2; - if (!PyArg_ParseTuple(args, "O!O!", - &Imaging_Type, &imagep1, - &Imaging_Type, &imagep2)) - return NULL; - - if (!ImagingConvert2(imagep1->image, imagep2->image)) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_convert_matrix(ImagingObject* self, PyObject* args) -{ - char* mode; - float m[12]; - if (!PyArg_ParseTuple(args, "s(ffff)", &mode, m+0, m+1, m+2, m+3)) { - PyErr_Clear(); - if (!PyArg_ParseTuple(args, "s(ffffffffffff)", &mode, - m+0, m+1, m+2, m+3, - m+4, m+5, m+6, m+7, - m+8, m+9, m+10, m+11)){ - return NULL; - } - } - - return PyImagingNew(ImagingConvertMatrix(self->image, mode, m)); -} - -static PyObject* -_convert_transparent(ImagingObject* self, PyObject* args) -{ - char* mode; - int r,g,b; - if (PyArg_ParseTuple(args, "s(iii)", &mode, &r, &g, &b)) { - return PyImagingNew(ImagingConvertTransparent(self->image, mode, r, g, b)); - } - PyErr_Clear(); - if (PyArg_ParseTuple(args, "si", &mode, &r)) { - return PyImagingNew(ImagingConvertTransparent(self->image, mode, r, 0, 0)); - } - return NULL; -} - -static PyObject* -_copy(ImagingObject* self, PyObject* args) -{ - if (!PyArg_ParseTuple(args, "")) - return NULL; - - return PyImagingNew(ImagingCopy(self->image)); -} - -static PyObject* -_copy2(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep1; - ImagingObject* imagep2; - if (!PyArg_ParseTuple(args, "O!O!", - &Imaging_Type, &imagep1, - &Imaging_Type, &imagep2)) - return NULL; - - if (!ImagingCopy2(imagep1->image, imagep2->image)) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_crop(ImagingObject* self, PyObject* args) -{ - int x0, y0, x1, y1; - if (!PyArg_ParseTuple(args, "(iiii)", &x0, &y0, &x1, &y1)) - return NULL; - - return PyImagingNew(ImagingCrop(self->image, x0, y0, x1, y1)); -} - -static PyObject* -_expand_image(ImagingObject* self, PyObject* args) -{ - int x, y; - int mode = 0; - if (!PyArg_ParseTuple(args, "ii|i", &x, &y, &mode)) - return NULL; - - return PyImagingNew(ImagingExpand(self->image, x, y, mode)); -} - -static PyObject* -_filter(ImagingObject* self, PyObject* args) -{ - PyObject* imOut; - Py_ssize_t kernelsize; - FLOAT32* kerneldata; - - int xsize, ysize; - float divisor, offset; - PyObject* kernel = NULL; - if (!PyArg_ParseTuple(args, "(ii)ffO", &xsize, &ysize, - &divisor, &offset, &kernel)) - return NULL; - - /* get user-defined kernel */ - kerneldata = getlist(kernel, &kernelsize, NULL, TYPE_FLOAT32); - if (!kerneldata) - return NULL; - if (kernelsize != (Py_ssize_t) xsize * (Py_ssize_t) ysize) { - free(kerneldata); - return ImagingError_ValueError("bad kernel size"); - } - - imOut = PyImagingNew( - ImagingFilter(self->image, xsize, ysize, kerneldata, offset, divisor) - ); - - free(kerneldata); - - return imOut; -} - -#ifdef WITH_UNSHARPMASK -static PyObject* -_gaussian_blur(ImagingObject* self, PyObject* args) -{ - Imaging imIn; - Imaging imOut; - - float radius = 0; - int passes = 3; - if (!PyArg_ParseTuple(args, "f|i", &radius, &passes)) - return NULL; - - imIn = self->image; - imOut = ImagingNew(imIn->mode, imIn->xsize, imIn->ysize); - if (!imOut) - return NULL; - - if (!ImagingGaussianBlur(imOut, imIn, radius, passes)) - return NULL; - - return PyImagingNew(imOut); -} -#endif - -static PyObject* -_getpalette(ImagingObject* self, PyObject* args) -{ - PyObject* palette; - int palettesize = 256; - int bits; - ImagingShuffler pack; - - char* mode = "RGB"; - char* rawmode = "RGB"; - if (!PyArg_ParseTuple(args, "|ss", &mode, &rawmode)) - return NULL; - - if (!self->image->palette) { - PyErr_SetString(PyExc_ValueError, no_palette); - return NULL; - } - - pack = ImagingFindPacker(mode, rawmode, &bits); - if (!pack) { - PyErr_SetString(PyExc_ValueError, wrong_raw_mode); - return NULL; - } - - palette = PyBytes_FromStringAndSize(NULL, palettesize * bits / 8); - if (!palette) - return NULL; - - pack((UINT8*) PyBytes_AsString(palette), - self->image->palette->palette, palettesize); - - return palette; -} - -static PyObject* -_getpalettemode(ImagingObject* self, PyObject* args) -{ - if (!self->image->palette) { - PyErr_SetString(PyExc_ValueError, no_palette); - return NULL; - } - - return PyUnicode_FromString(self->image->palette->mode); -} - -static inline int -_getxy(PyObject* xy, int* x, int *y) -{ - PyObject* value; - - if (!PyTuple_Check(xy) || PyTuple_GET_SIZE(xy) != 2) - goto badarg; - - value = PyTuple_GET_ITEM(xy, 0); - if (PyInt_Check(value)) - *x = PyInt_AS_LONG(value); - else if (PyFloat_Check(value)) - *x = (int) PyFloat_AS_DOUBLE(value); - else - goto badval; - - value = PyTuple_GET_ITEM(xy, 1); - if (PyInt_Check(value)) - *y = PyInt_AS_LONG(value); - else if (PyFloat_Check(value)) - *y = (int) PyFloat_AS_DOUBLE(value); - else - goto badval; - - return 0; - - badarg: - PyErr_SetString( - PyExc_TypeError, - "argument must be sequence of length 2" - ); - return -1; - - badval: - PyErr_SetString( - PyExc_TypeError, - "an integer is required" - ); - return -1; -} - -static PyObject* -_getpixel(ImagingObject* self, PyObject* args) -{ - PyObject* xy; - int x, y; - - if (PyTuple_GET_SIZE(args) != 1) { - PyErr_SetString( - PyExc_TypeError, - "argument 1 must be sequence of length 2" - ); - return NULL; - } - - xy = PyTuple_GET_ITEM(args, 0); - - if (_getxy(xy, &x, &y)) - return NULL; - - if (self->access == NULL) { - Py_INCREF(Py_None); - return Py_None; - } - - return getpixel(self->image, self->access, x, y); -} - -static PyObject* -_histogram(ImagingObject* self, PyObject* args) -{ - ImagingHistogram h; - PyObject* list; - int i; - union { - UINT8 u[2]; - INT32 i[2]; - FLOAT32 f[2]; - } extrema; - void* ep; - int i0, i1; - double f0, f1; - - PyObject* extremap = NULL; - ImagingObject* maskp = NULL; - if (!PyArg_ParseTuple(args, "|OO!", &extremap, &Imaging_Type, &maskp)) - return NULL; - - if (extremap) { - ep = &extrema; - switch (self->image->type) { - case IMAGING_TYPE_UINT8: - if (!PyArg_ParseTuple(extremap, "ii", &i0, &i1)) - return NULL; - /* FIXME: clip */ - extrema.u[0] = i0; - extrema.u[1] = i1; - break; - case IMAGING_TYPE_INT32: - if (!PyArg_ParseTuple(extremap, "ii", &i0, &i1)) - return NULL; - extrema.i[0] = i0; - extrema.i[1] = i1; - break; - case IMAGING_TYPE_FLOAT32: - if (!PyArg_ParseTuple(extremap, "dd", &f0, &f1)) - return NULL; - extrema.f[0] = (FLOAT32) f0; - extrema.f[1] = (FLOAT32) f1; - break; - default: - ep = NULL; - break; - } - } else - ep = NULL; - - h = ImagingGetHistogram(self->image, (maskp) ? maskp->image : NULL, ep); - - if (!h) - return NULL; - - /* Build an integer list containing the histogram */ - list = PyList_New(h->bands * 256); - for (i = 0; i < h->bands * 256; i++) { - PyObject* item; - item = PyInt_FromLong(h->histogram[i]); - if (item == NULL) { - Py_DECREF(list); - list = NULL; - break; - } - PyList_SetItem(list, i, item); - } - - ImagingHistogramDelete(h); - - return list; -} - -#ifdef WITH_MODEFILTER -static PyObject* -_modefilter(ImagingObject* self, PyObject* args) -{ - int size; - if (!PyArg_ParseTuple(args, "i", &size)) - return NULL; - - return PyImagingNew(ImagingModeFilter(self->image, size)); -} -#endif - -static PyObject* -_offset(ImagingObject* self, PyObject* args) -{ - int xoffset, yoffset; - if (!PyArg_ParseTuple(args, "ii", &xoffset, &yoffset)) - return NULL; - - return PyImagingNew(ImagingOffset(self->image, xoffset, yoffset)); -} - -static PyObject* -_paste(ImagingObject* self, PyObject* args) -{ - int status; - char ink[4]; - - PyObject* source; - int x0, y0, x1, y1; - ImagingObject* maskp = NULL; - if (!PyArg_ParseTuple(args, "O(iiii)|O!", - &source, - &x0, &y0, &x1, &y1, - &Imaging_Type, &maskp)) - return NULL; - - if (PyImaging_Check(source)) - status = ImagingPaste( - self->image, PyImaging_AsImaging(source), - (maskp) ? maskp->image : NULL, - x0, y0, x1, y1 - ); - - else { - if (!getink(source, self->image, ink)) - return NULL; - status = ImagingFill2( - self->image, ink, - (maskp) ? maskp->image : NULL, - x0, y0, x1, y1 - ); - } - - if (status < 0) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_point(ImagingObject* self, PyObject* args) -{ - static const char* wrong_number = "wrong number of lut entries"; - - Py_ssize_t n; - int i, bands; - Imaging im; - - PyObject* list; - char* mode; - if (!PyArg_ParseTuple(args, "Oz", &list, &mode)) - return NULL; - - if (mode && !strcmp(mode, "F")) { - FLOAT32* data; - - /* map from 8-bit data to floating point */ - n = 256; - data = getlist(list, &n, wrong_number, TYPE_FLOAT32); - if (!data) - return NULL; - im = ImagingPoint(self->image, mode, (void*) data); - free(data); - - } else if (!strcmp(self->image->mode, "I") && mode && !strcmp(mode, "L")) { - UINT8* data; - - /* map from 16-bit subset of 32-bit data to 8-bit */ - /* FIXME: support arbitrary number of entries (requires API change) */ - n = 65536; - data = getlist(list, &n, wrong_number, TYPE_UINT8); - if (!data) - return NULL; - im = ImagingPoint(self->image, mode, (void*) data); - free(data); - - } else { - INT32* data; - UINT8 lut[1024]; - - if (mode) { - bands = getbands(mode); - if (bands < 0) - return NULL; - } else - bands = self->image->bands; - - /* map to integer data */ - n = 256 * bands; - data = getlist(list, &n, wrong_number, TYPE_INT32); - if (!data) - return NULL; - - if (mode && !strcmp(mode, "I")) - im = ImagingPoint(self->image, mode, (void*) data); - else if (mode && bands > 1) { - for (i = 0; i < 256; i++) { - lut[i*4] = CLIP(data[i]); - lut[i*4+1] = CLIP(data[i+256]); - lut[i*4+2] = CLIP(data[i+512]); - if (n > 768) - lut[i*4+3] = CLIP(data[i+768]); - } - im = ImagingPoint(self->image, mode, (void*) lut); - } else { - /* map individual bands */ - for (i = 0; i < n; i++) - lut[i] = CLIP(data[i]); - im = ImagingPoint(self->image, mode, (void*) lut); - } - free(data); - } - - return PyImagingNew(im); -} - -static PyObject* -_point_transform(ImagingObject* self, PyObject* args) -{ - double scale = 1.0; - double offset = 0.0; - if (!PyArg_ParseTuple(args, "|dd", &scale, &offset)) - return NULL; - - return PyImagingNew(ImagingPointTransform(self->image, scale, offset)); -} - -static PyObject* -_putdata(ImagingObject* self, PyObject* args) -{ - Imaging image; - // i & n are # pixels, require py_ssize_t. x can be as large as n. y, just because. - Py_ssize_t n, i, x, y; - - PyObject* data; - PyObject* seq = NULL; - PyObject* op; - double scale = 1.0; - double offset = 0.0; - - if (!PyArg_ParseTuple(args, "O|dd", &data, &scale, &offset)) - return NULL; - - if (!PySequence_Check(data)) { - PyErr_SetString(PyExc_TypeError, must_be_sequence); - return NULL; - } - - image = self->image; - - n = PyObject_Length(data); - if (n > (Py_ssize_t) (image->xsize * image->ysize)) { - PyErr_SetString(PyExc_TypeError, "too many data entries"); - return NULL; - } - - if (image->image8) { - if (PyBytes_Check(data)) { - unsigned char* p; - p = (unsigned char*) PyBytes_AS_STRING(data); - if (scale == 1.0 && offset == 0.0) - /* Plain string data */ - for (i = y = 0; i < n; i += image->xsize, y++) { - x = n - i; - if (x > (int) image->xsize) - x = image->xsize; - memcpy(image->image8[y], p+i, x); - } - else - /* Scaled and clipped string data */ - for (i = x = y = 0; i < n; i++) { - image->image8[y][x] = CLIP((int) (p[i] * scale + offset)); - if (++x >= (int) image->xsize) - x = 0, y++; - } - } else { - seq = PySequence_Fast(data, must_be_sequence); - if (!seq) { - PyErr_SetString(PyExc_TypeError, must_be_sequence); - return NULL; - } - if (scale == 1.0 && offset == 0.0) { - /* Clipped data */ - for (i = x = y = 0; i < n; i++) { - op = PySequence_Fast_GET_ITEM(seq, i); - image->image8[y][x] = (UINT8) CLIP(PyInt_AsLong(op)); - if (++x >= (int) image->xsize){ - x = 0, y++; - } - } - - } else { - /* Scaled and clipped data */ - for (i = x = y = 0; i < n; i++) { - PyObject *op = PySequence_Fast_GET_ITEM(seq, i); - image->image8[y][x] = CLIP( - (int) (PyFloat_AsDouble(op) * scale + offset)); - if (++x >= (int) image->xsize){ - x = 0, y++; - } - } - } - PyErr_Clear(); /* Avoid weird exceptions */ - } - } else { - /* 32-bit images */ - seq = PySequence_Fast(data, must_be_sequence); - if (!seq) { - PyErr_SetString(PyExc_TypeError, must_be_sequence); - return NULL; - } - switch (image->type) { - case IMAGING_TYPE_INT32: - for (i = x = y = 0; i < n; i++) { - op = PySequence_Fast_GET_ITEM(seq, i); - IMAGING_PIXEL_INT32(image, x, y) = - (INT32) (PyFloat_AsDouble(op) * scale + offset); - if (++x >= (int) image->xsize){ - x = 0, y++; - } - } - PyErr_Clear(); /* Avoid weird exceptions */ - break; - case IMAGING_TYPE_FLOAT32: - for (i = x = y = 0; i < n; i++) { - op = PySequence_Fast_GET_ITEM(seq, i); - IMAGING_PIXEL_FLOAT32(image, x, y) = - (FLOAT32) (PyFloat_AsDouble(op) * scale + offset); - if (++x >= (int) image->xsize){ - x = 0, y++; - } - } - PyErr_Clear(); /* Avoid weird exceptions */ - break; - default: - for (i = x = y = 0; i < n; i++) { - union { - char ink[4]; - INT32 inkint; - } u; - - u.inkint = 0; - - op = PySequence_Fast_GET_ITEM(seq, i); - if (!op || !getink(op, image, u.ink)) { - Py_DECREF(seq); - return NULL; - } - /* FIXME: what about scale and offset? */ - image->image32[y][x] = u.inkint; - if (++x >= (int) image->xsize){ - x = 0, y++; - } - } - PyErr_Clear(); /* Avoid weird exceptions */ - break; - } - } - - Py_XDECREF(seq); - - Py_INCREF(Py_None); - return Py_None; -} - -#ifdef WITH_QUANTIZE - -static PyObject* -_quantize(ImagingObject* self, PyObject* args) -{ - int colours = 256; - int method = 0; - int kmeans = 0; - if (!PyArg_ParseTuple(args, "|iii", &colours, &method, &kmeans)) - return NULL; - - if (!self->image->xsize || !self->image->ysize) { - /* no content; return an empty image */ - return PyImagingNew( - ImagingNew("P", self->image->xsize, self->image->ysize) - ); - } - - return PyImagingNew(ImagingQuantize(self->image, colours, method, kmeans)); -} -#endif - -static PyObject* -_putpalette(ImagingObject* self, PyObject* args) -{ - ImagingShuffler unpack; - int bits; - - char* rawmode; - UINT8* palette; - int palettesize; - if (!PyArg_ParseTuple(args, "s"PY_ARG_BYTES_LENGTH, &rawmode, &palette, &palettesize)) - return NULL; - - if (strcmp(self->image->mode, "L") != 0 && strcmp(self->image->mode, "P")) { - PyErr_SetString(PyExc_ValueError, wrong_mode); - return NULL; - } - - unpack = ImagingFindUnpacker("RGB", rawmode, &bits); - if (!unpack) { - PyErr_SetString(PyExc_ValueError, wrong_raw_mode); - return NULL; - } - - if ( palettesize * 8 / bits > 256) { - PyErr_SetString(PyExc_ValueError, wrong_palette_size); - return NULL; - } - - ImagingPaletteDelete(self->image->palette); - - strcpy(self->image->mode, "P"); - - self->image->palette = ImagingPaletteNew("RGB"); - - unpack(self->image->palette->palette, palette, palettesize * 8 / bits); - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_putpalettealpha(ImagingObject* self, PyObject* args) -{ - int index; - int alpha = 0; - if (!PyArg_ParseTuple(args, "i|i", &index, &alpha)) - return NULL; - - if (!self->image->palette) { - PyErr_SetString(PyExc_ValueError, no_palette); - return NULL; - } - - if (index < 0 || index >= 256) { - PyErr_SetString(PyExc_ValueError, outside_palette); - return NULL; - } - - strcpy(self->image->palette->mode, "RGBA"); - self->image->palette->palette[index*4+3] = (UINT8) alpha; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_putpalettealphas(ImagingObject* self, PyObject* args) -{ - int i; - UINT8 *values; - int length; - if (!PyArg_ParseTuple(args, "s#", &values, &length)) - return NULL; - - if (!self->image->palette) { - PyErr_SetString(PyExc_ValueError, no_palette); - return NULL; - } - - if (length > 256) { - PyErr_SetString(PyExc_ValueError, outside_palette); - return NULL; - } - - strcpy(self->image->palette->mode, "RGBA"); - for (i=0; iimage->palette->palette[i*4+3] = (UINT8) values[i]; - } - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_putpixel(ImagingObject* self, PyObject* args) -{ - Imaging im; - char ink[4]; - - int x, y; - PyObject* color; - if (!PyArg_ParseTuple(args, "(ii)O", &x, &y, &color)) - return NULL; - - im = self->image; - - if (x < 0 || x >= im->xsize || y < 0 || y >= im->ysize) { - PyErr_SetString(PyExc_IndexError, outside_image); - return NULL; - } - - if (!getink(color, im, ink)) - return NULL; - - if (self->access) - self->access->put_pixel(im, x, y, ink); - - Py_INCREF(Py_None); - return Py_None; -} - -#ifdef WITH_RANKFILTER -static PyObject* -_rankfilter(ImagingObject* self, PyObject* args) -{ - int size, rank; - if (!PyArg_ParseTuple(args, "ii", &size, &rank)) - return NULL; - - return PyImagingNew(ImagingRankFilter(self->image, size, rank)); -} -#endif - -static PyObject* -_resize(ImagingObject* self, PyObject* args) -{ - Imaging imIn; - Imaging imOut; - - int xsize, ysize; - int filter = IMAGING_TRANSFORM_NEAREST; - if (!PyArg_ParseTuple(args, "(ii)|i", &xsize, &ysize, &filter)) - return NULL; - - imIn = self->image; - - if (xsize < 1 || ysize < 1) { - return ImagingError_ValueError("height and width must be > 0"); - } - - if (imIn->xsize == xsize && imIn->ysize == ysize) { - imOut = ImagingCopy(imIn); - } - else if (filter == IMAGING_TRANSFORM_NEAREST) { - double a[6]; - - memset(a, 0, sizeof a); - a[0] = (double) imIn->xsize / xsize; - a[4] = (double) imIn->ysize / ysize; - - imOut = ImagingNew(imIn->mode, xsize, ysize); - - imOut = ImagingTransform( - imOut, imIn, IMAGING_TRANSFORM_AFFINE, - 0, 0, xsize, ysize, - a, filter, 1); - } - else { - imOut = ImagingResample(imIn, xsize, ysize, filter); - } - - return PyImagingNew(imOut); -} - - -#define IS_RGB(mode)\ - (!strcmp(mode, "RGB") || !strcmp(mode, "RGBA") || !strcmp(mode, "RGBX")) - -static PyObject* -im_setmode(ImagingObject* self, PyObject* args) -{ - /* attempt to modify the mode of an image in place */ - - Imaging im; - - char* mode; - int modelen; - if (!PyArg_ParseTuple(args, "s#:setmode", &mode, &modelen)) - return NULL; - - im = self->image; - - /* move all logic in here to the libImaging primitive */ - - if (!strcmp(im->mode, mode)) { - ; /* same mode; always succeeds */ - } else if (IS_RGB(im->mode) && IS_RGB(mode)) { - /* color to color */ - strcpy(im->mode, mode); - im->bands = modelen; - if (!strcmp(mode, "RGBA")) - (void) ImagingFillBand(im, 3, 255); - } else { - /* trying doing an in-place conversion */ - if (!ImagingConvertInPlace(im, mode)) - return NULL; - } - - if (self->access) - ImagingAccessDelete(im, self->access); - self->access = ImagingAccessNew(im); - - Py_INCREF(Py_None); - return Py_None; -} - - -static PyObject* -_transform2(ImagingObject* self, PyObject* args) -{ - static const char* wrong_number = "wrong number of matrix entries"; - - Imaging imOut; - Py_ssize_t n; - double *a; - - ImagingObject* imagep; - int x0, y0, x1, y1; - int method; - PyObject* data; - int filter = IMAGING_TRANSFORM_NEAREST; - int fill = 1; - if (!PyArg_ParseTuple(args, "(iiii)O!iO|ii", - &x0, &y0, &x1, &y1, - &Imaging_Type, &imagep, - &method, &data, - &filter, &fill)) - return NULL; - - switch (method) { - case IMAGING_TRANSFORM_AFFINE: - n = 6; - break; - case IMAGING_TRANSFORM_PERSPECTIVE: - n = 8; - break; - case IMAGING_TRANSFORM_QUAD: - n = 8; - break; - default: - n = -1; /* force error */ - } - - a = getlist(data, &n, wrong_number, TYPE_DOUBLE); - if (!a) - return NULL; - - imOut = ImagingTransform( - self->image, imagep->image, method, - x0, y0, x1, y1, a, filter, 1); - - free(a); - - if (!imOut) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_transpose(ImagingObject* self, PyObject* args) -{ - Imaging imIn; - Imaging imOut; - - int op; - if (!PyArg_ParseTuple(args, "i", &op)) - return NULL; - - imIn = self->image; - - switch (op) { - case 0: /* flip left right */ - case 1: /* flip top bottom */ - case 3: /* rotate 180 */ - imOut = ImagingNew(imIn->mode, imIn->xsize, imIn->ysize); - break; - case 2: /* rotate 90 */ - case 4: /* rotate 270 */ - case 5: /* transpose */ - imOut = ImagingNew(imIn->mode, imIn->ysize, imIn->xsize); - break; - default: - PyErr_SetString(PyExc_ValueError, "No such transpose operation"); - return NULL; - } - - if (imOut) - switch (op) { - case 0: - (void) ImagingFlipLeftRight(imOut, imIn); - break; - case 1: - (void) ImagingFlipTopBottom(imOut, imIn); - break; - case 2: - (void) ImagingRotate90(imOut, imIn); - break; - case 3: - (void) ImagingRotate180(imOut, imIn); - break; - case 4: - (void) ImagingRotate270(imOut, imIn); - break; - case 5: - (void) ImagingTranspose(imOut, imIn); - break; - } - - return PyImagingNew(imOut); -} - -#ifdef WITH_UNSHARPMASK -static PyObject* -_unsharp_mask(ImagingObject* self, PyObject* args) -{ - Imaging imIn; - Imaging imOut; - - float radius; - int percent, threshold; - if (!PyArg_ParseTuple(args, "fii", &radius, &percent, &threshold)) - return NULL; - - imIn = self->image; - imOut = ImagingNew(imIn->mode, imIn->xsize, imIn->ysize); - if (!imOut) - return NULL; - - if (!ImagingUnsharpMask(imOut, imIn, radius, percent, threshold)) - return NULL; - - return PyImagingNew(imOut); -} -#endif - -static PyObject* -_box_blur(ImagingObject* self, PyObject* args) -{ - Imaging imIn; - Imaging imOut; - - float radius; - int n = 1; - if (!PyArg_ParseTuple(args, "f|i", &radius, &n)) - return NULL; - - imIn = self->image; - imOut = ImagingNew(imIn->mode, imIn->xsize, imIn->ysize); - if (!imOut) - return NULL; - - if (!ImagingBoxBlur(imOut, imIn, radius, n)) - return NULL; - - return PyImagingNew(imOut); -} - -/* -------------------------------------------------------------------- */ - -static PyObject* -_isblock(ImagingObject* self, PyObject* args) -{ - return PyInt_FromLong((long) self->image->block); -} - -static PyObject* -_getbbox(ImagingObject* self, PyObject* args) -{ - int bbox[4]; - if (!ImagingGetBBox(self->image, bbox)) { - Py_INCREF(Py_None); - return Py_None; - } - - return Py_BuildValue("iiii", bbox[0], bbox[1], bbox[2], bbox[3]); -} - -static PyObject* -_getcolors(ImagingObject* self, PyObject* args) -{ - ImagingColorItem* items; - int i, colors; - PyObject* out; - - int maxcolors = 256; - if (!PyArg_ParseTuple(args, "i:getcolors", &maxcolors)) - return NULL; - - items = ImagingGetColors(self->image, maxcolors, &colors); - if (!items) - return NULL; - - if (colors > maxcolors) { - out = Py_None; - Py_INCREF(out); - } else { - out = PyList_New(colors); - for (i = 0; i < colors; i++) { - ImagingColorItem* v = &items[i]; - PyObject* item = Py_BuildValue( - "iN", v->count, getpixel(self->image, self->access, v->x, v->y) - ); - PyList_SetItem(out, i, item); - } - } - - free(items); - - return out; -} - -static PyObject* -_getextrema(ImagingObject* self, PyObject* args) -{ - union { - UINT8 u[2]; - INT32 i[2]; - FLOAT32 f[2]; - } extrema; - int status; - - status = ImagingGetExtrema(self->image, &extrema); - if (status < 0) - return NULL; - - if (status) - switch (self->image->type) { - case IMAGING_TYPE_UINT8: - return Py_BuildValue("BB", extrema.u[0], extrema.u[1]); - case IMAGING_TYPE_INT32: - return Py_BuildValue("ii", extrema.i[0], extrema.i[1]); - case IMAGING_TYPE_FLOAT32: - return Py_BuildValue("dd", extrema.f[0], extrema.f[1]); - } - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_getprojection(ImagingObject* self, PyObject* args) -{ - unsigned char* xprofile; - unsigned char* yprofile; - PyObject* result; - - /* malloc check ok */ - xprofile = malloc(self->image->xsize); - yprofile = malloc(self->image->ysize); - - if (xprofile == NULL || yprofile == NULL) { - free(xprofile); - free(yprofile); - return PyErr_NoMemory(); - } - - ImagingGetProjection(self->image, (unsigned char *)xprofile, (unsigned char *)yprofile); - - result = Py_BuildValue(PY_ARG_BYTES_LENGTH PY_ARG_BYTES_LENGTH, - xprofile, self->image->xsize, - yprofile, self->image->ysize); - - free(xprofile); - free(yprofile); - - return result; -} - -/* -------------------------------------------------------------------- */ - -static PyObject* -_getband(ImagingObject* self, PyObject* args) -{ - int band; - - if (!PyArg_ParseTuple(args, "i", &band)) - return NULL; - - return PyImagingNew(ImagingGetBand(self->image, band)); -} - -static PyObject* -_fillband(ImagingObject* self, PyObject* args) -{ - int band; - int color; - - if (!PyArg_ParseTuple(args, "ii", &band, &color)) - return NULL; - - if (!ImagingFillBand(self->image, band, color)) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_putband(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep; - int band; - if (!PyArg_ParseTuple(args, "O!i", - &Imaging_Type, &imagep, - &band)) - return NULL; - - if (!ImagingPutBand(self->image, imagep->image, band)) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -/* -------------------------------------------------------------------- */ - -#ifdef WITH_IMAGECHOPS - -static PyObject* -_chop_invert(ImagingObject* self, PyObject* args) -{ - return PyImagingNew(ImagingNegative(self->image)); -} - -static PyObject* -_chop_lighter(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep; - - if (!PyArg_ParseTuple(args, "O!", &Imaging_Type, &imagep)) - return NULL; - - return PyImagingNew(ImagingChopLighter(self->image, imagep->image)); -} - -static PyObject* -_chop_darker(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep; - - if (!PyArg_ParseTuple(args, "O!", &Imaging_Type, &imagep)) - return NULL; - - return PyImagingNew(ImagingChopDarker(self->image, imagep->image)); -} - -static PyObject* -_chop_difference(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep; - - if (!PyArg_ParseTuple(args, "O!", &Imaging_Type, &imagep)) - return NULL; - - return PyImagingNew(ImagingChopDifference(self->image, imagep->image)); -} - -static PyObject* -_chop_multiply(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep; - - if (!PyArg_ParseTuple(args, "O!", &Imaging_Type, &imagep)) - return NULL; - - return PyImagingNew(ImagingChopMultiply(self->image, imagep->image)); -} - -static PyObject* -_chop_screen(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep; - - if (!PyArg_ParseTuple(args, "O!", &Imaging_Type, &imagep)) - return NULL; - - return PyImagingNew(ImagingChopScreen(self->image, imagep->image)); -} - -static PyObject* -_chop_add(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep; - float scale; - int offset; - - scale = 1.0; - offset = 0; - - if (!PyArg_ParseTuple(args, "O!|fi", &Imaging_Type, &imagep, - &scale, &offset)) - return NULL; - - return PyImagingNew(ImagingChopAdd(self->image, imagep->image, - scale, offset)); -} - -static PyObject* -_chop_subtract(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep; - float scale; - int offset; - - scale = 1.0; - offset = 0; - - if (!PyArg_ParseTuple(args, "O!|fi", &Imaging_Type, &imagep, - &scale, &offset)) - return NULL; - - return PyImagingNew(ImagingChopSubtract(self->image, imagep->image, - scale, offset)); -} - -static PyObject* -_chop_and(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep; - - if (!PyArg_ParseTuple(args, "O!", &Imaging_Type, &imagep)) - return NULL; - - return PyImagingNew(ImagingChopAnd(self->image, imagep->image)); -} - -static PyObject* -_chop_or(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep; - - if (!PyArg_ParseTuple(args, "O!", &Imaging_Type, &imagep)) - return NULL; - - return PyImagingNew(ImagingChopOr(self->image, imagep->image)); -} - -static PyObject* -_chop_xor(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep; - - if (!PyArg_ParseTuple(args, "O!", &Imaging_Type, &imagep)) - return NULL; - - return PyImagingNew(ImagingChopXor(self->image, imagep->image)); -} - -static PyObject* -_chop_add_modulo(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep; - - if (!PyArg_ParseTuple(args, "O!", &Imaging_Type, &imagep)) - return NULL; - - return PyImagingNew(ImagingChopAddModulo(self->image, imagep->image)); -} - -static PyObject* -_chop_subtract_modulo(ImagingObject* self, PyObject* args) -{ - ImagingObject* imagep; - - if (!PyArg_ParseTuple(args, "O!", &Imaging_Type, &imagep)) - return NULL; - - return PyImagingNew(ImagingChopSubtractModulo(self->image, imagep->image)); -} - -#endif - - -/* -------------------------------------------------------------------- */ - -#ifdef WITH_IMAGEDRAW - -static PyObject* -_font_new(PyObject* self_, PyObject* args) -{ - ImagingFontObject *self; - int i, y0, y1; - static const char* wrong_length = "descriptor table has wrong size"; - - ImagingObject* imagep; - unsigned char* glyphdata; - int glyphdata_length; - if (!PyArg_ParseTuple(args, "O!"PY_ARG_BYTES_LENGTH, - &Imaging_Type, &imagep, - &glyphdata, &glyphdata_length)) - return NULL; - - if (glyphdata_length != 256 * 20) { - PyErr_SetString(PyExc_ValueError, wrong_length); - return NULL; - } - - self = PyObject_New(ImagingFontObject, &ImagingFont_Type); - if (self == NULL) - return NULL; - - /* glyph bitmap */ - self->bitmap = imagep->image; - - y0 = y1 = 0; - - /* glyph glyphs */ - for (i = 0; i < 256; i++) { - self->glyphs[i].dx = S16(B16(glyphdata, 0)); - self->glyphs[i].dy = S16(B16(glyphdata, 2)); - self->glyphs[i].dx0 = S16(B16(glyphdata, 4)); - self->glyphs[i].dy0 = S16(B16(glyphdata, 6)); - self->glyphs[i].dx1 = S16(B16(glyphdata, 8)); - self->glyphs[i].dy1 = S16(B16(glyphdata, 10)); - self->glyphs[i].sx0 = S16(B16(glyphdata, 12)); - self->glyphs[i].sy0 = S16(B16(glyphdata, 14)); - self->glyphs[i].sx1 = S16(B16(glyphdata, 16)); - self->glyphs[i].sy1 = S16(B16(glyphdata, 18)); - if (self->glyphs[i].dy0 < y0) - y0 = self->glyphs[i].dy0; - if (self->glyphs[i].dy1 > y1) - y1 = self->glyphs[i].dy1; - glyphdata += 20; - } - - self->baseline = -y0; - self->ysize = y1 - y0; - - /* keep a reference to the bitmap object */ - Py_INCREF(imagep); - self->ref = imagep; - - return (PyObject*) self; -} - -static void -_font_dealloc(ImagingFontObject* self) -{ - Py_XDECREF(self->ref); - PyObject_Del(self); -} - -static inline int -textwidth(ImagingFontObject* self, const unsigned char* text) -{ - int xsize; - - for (xsize = 0; *text; text++) - xsize += self->glyphs[*text].dx; - - return xsize; -} - -void _font_text_asBytes(PyObject* encoded_string, unsigned char** text){ - PyObject* bytes = NULL; - - *text = NULL; - - if (PyUnicode_CheckExact(encoded_string)){ - bytes = PyUnicode_AsLatin1String(encoded_string); - } else if (PyBytes_Check(encoded_string)) { - bytes = encoded_string; - } - if (bytes) { - *text = (unsigned char*)PyBytes_AsString(bytes); - return; - } - -#if PY_VERSION_HEX < 0x03000000 - /* likely case here is py2.x with an ordinary string. - but this isn't defined in Py3.x */ - if (PyString_Check(encoded_string)) { - *text = (unsigned char *)PyString_AsString(encoded_string); - } -#endif -} - - -static PyObject* -_font_getmask(ImagingFontObject* self, PyObject* args) -{ - Imaging im; - Imaging bitmap; - int x, b; - int i=0; - int status; - Glyph* glyph; - - PyObject* encoded_string; - - unsigned char* text; - char* mode = ""; - - if (!PyArg_ParseTuple(args, "O|s:getmask", &encoded_string, &mode)){ - return NULL; - } - - _font_text_asBytes(encoded_string, &text); - if (!text) { - return NULL; - } - - im = ImagingNew(self->bitmap->mode, textwidth(self, text), self->ysize); - if (!im) { - return NULL; - } - - b = 0; - (void) ImagingFill(im, &b); - - b = self->baseline; - for (x = 0; text[i]; i++) { - glyph = &self->glyphs[text[i]]; - bitmap = ImagingCrop( - self->bitmap, - glyph->sx0, glyph->sy0, glyph->sx1, glyph->sy1 - ); - if (!bitmap) - goto failed; - status = ImagingPaste( - im, bitmap, NULL, - glyph->dx0+x, glyph->dy0+b, glyph->dx1+x, glyph->dy1+b - ); - ImagingDelete(bitmap); - if (status < 0) - goto failed; - x = x + glyph->dx; - b = b + glyph->dy; - } - return PyImagingNew(im); - - failed: - ImagingDelete(im); - return NULL; -} - -static PyObject* -_font_getsize(ImagingFontObject* self, PyObject* args) -{ - unsigned char* text; - PyObject* encoded_string; - - if (!PyArg_ParseTuple(args, "O:getsize", &encoded_string)) - return NULL; - - _font_text_asBytes(encoded_string, &text); - if (!text) { - return NULL; - } - - return Py_BuildValue("ii", textwidth(self, text), self->ysize); -} - -static struct PyMethodDef _font_methods[] = { - {"getmask", (PyCFunction)_font_getmask, 1}, - {"getsize", (PyCFunction)_font_getsize, 1}, - {NULL, NULL} /* sentinel */ -}; - -/* -------------------------------------------------------------------- */ - -static PyObject* -_draw_new(PyObject* self_, PyObject* args) -{ - ImagingDrawObject *self; - - ImagingObject* imagep; - int blend = 0; - if (!PyArg_ParseTuple(args, "O!|i", &Imaging_Type, &imagep, &blend)) - return NULL; - - self = PyObject_New(ImagingDrawObject, &ImagingDraw_Type); - if (self == NULL) - return NULL; - - /* keep a reference to the image object */ - Py_INCREF(imagep); - self->image = imagep; - - self->ink[0] = self->ink[1] = self->ink[2] = self->ink[3] = 0; - - self->blend = blend; - - return (PyObject*) self; -} - -static void -_draw_dealloc(ImagingDrawObject* self) -{ - Py_XDECREF(self->image); - PyObject_Del(self); -} - -extern Py_ssize_t PyPath_Flatten(PyObject* data, double **xy); - -static PyObject* -_draw_ink(ImagingDrawObject* self, PyObject* args) -{ - INT32 ink = 0; - PyObject* color; - char* mode = NULL; /* not used in this release */ - if (!PyArg_ParseTuple(args, "O|s", &color, &mode)) - return NULL; - - if (!getink(color, self->image->image, (char*) &ink)) - return NULL; - - return PyInt_FromLong((int) ink); -} - -static PyObject* -_draw_arc(ImagingDrawObject* self, PyObject* args) -{ - double* xy; - Py_ssize_t n; - - PyObject* data; - int ink; - float start, end; - int op = 0; - if (!PyArg_ParseTuple(args, "Offi|i", &data, &start, &end, &ink)) - return NULL; - - n = PyPath_Flatten(data, &xy); - if (n < 0) - return NULL; - if (n != 2) { - PyErr_SetString(PyExc_TypeError, must_be_two_coordinates); - return NULL; - } - - n = ImagingDrawArc(self->image->image, - (int) xy[0], (int) xy[1], - (int) xy[2], (int) xy[3], - start, end, &ink, op - ); - - free(xy); - - if (n < 0) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_draw_bitmap(ImagingDrawObject* self, PyObject* args) -{ - double *xy; - Py_ssize_t n; - - PyObject *data; - ImagingObject* bitmap; - int ink; - if (!PyArg_ParseTuple(args, "OO!i", &data, &Imaging_Type, &bitmap, &ink)) - return NULL; - - n = PyPath_Flatten(data, &xy); - if (n < 0) - return NULL; - if (n != 1) { - PyErr_SetString(PyExc_TypeError, - "coordinate list must contain exactly 1 coordinate" - ); - return NULL; - } - - n = ImagingDrawBitmap( - self->image->image, (int) xy[0], (int) xy[1], bitmap->image, - &ink, self->blend - ); - - free(xy); - - if (n < 0) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_draw_chord(ImagingDrawObject* self, PyObject* args) -{ - double* xy; - Py_ssize_t n; - - PyObject* data; - int ink, fill; - float start, end; - if (!PyArg_ParseTuple(args, "Offii", - &data, &start, &end, &ink, &fill)) - return NULL; - - n = PyPath_Flatten(data, &xy); - if (n < 0) - return NULL; - if (n != 2) { - PyErr_SetString(PyExc_TypeError, must_be_two_coordinates); - return NULL; - } - - n = ImagingDrawChord(self->image->image, - (int) xy[0], (int) xy[1], - (int) xy[2], (int) xy[3], - start, end, &ink, fill, self->blend - ); - - free(xy); - - if (n < 0) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_draw_ellipse(ImagingDrawObject* self, PyObject* args) -{ - double* xy; - Py_ssize_t n; - - PyObject* data; - int ink; - int fill = 0; - if (!PyArg_ParseTuple(args, "Oi|i", &data, &ink, &fill)) - return NULL; - - n = PyPath_Flatten(data, &xy); - if (n < 0) - return NULL; - if (n != 2) { - PyErr_SetString(PyExc_TypeError, must_be_two_coordinates); - return NULL; - } - - n = ImagingDrawEllipse(self->image->image, - (int) xy[0], (int) xy[1], - (int) xy[2], (int) xy[3], - &ink, fill, self->blend - ); - - free(xy); - - if (n < 0) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_draw_line(ImagingDrawObject* self, PyObject* args) -{ - int x0, y0, x1, y1; - int ink; - if (!PyArg_ParseTuple(args, "(ii)(ii)i", &x0, &y0, &x1, &y1, &ink)) - return NULL; - - if (ImagingDrawLine(self->image->image, x0, y0, x1, y1, - &ink, self->blend) < 0) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_draw_lines(ImagingDrawObject* self, PyObject* args) -{ - double *xy; - Py_ssize_t i, n; - - PyObject *data; - int ink; - int width = 0; - if (!PyArg_ParseTuple(args, "Oi|i", &data, &ink, &width)) - return NULL; - - n = PyPath_Flatten(data, &xy); - if (n < 0) - return NULL; - - if (width <= 1) { - double *p = NULL; - for (i = 0; i < n-1; i++) { - p = &xy[i+i]; - if (ImagingDrawLine( - self->image->image, - (int) p[0], (int) p[1], (int) p[2], (int) p[3], - &ink, self->blend) < 0) { - free(xy); - return NULL; - } - } - if (p) /* draw last point */ - ImagingDrawPoint( - self->image->image, - (int) p[2], (int) p[3], - &ink, self->blend - ); - } else { - for (i = 0; i < n-1; i++) { - double *p = &xy[i+i]; - if (ImagingDrawWideLine( - self->image->image, - (int) p[0], (int) p[1], (int) p[2], (int) p[3], - &ink, width, self->blend) < 0) { - free(xy); - return NULL; - } - } - } - - free(xy); - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_draw_point(ImagingDrawObject* self, PyObject* args) -{ - int x, y; - int ink; - if (!PyArg_ParseTuple(args, "(ii)i", &x, &y, &ink)) - return NULL; - - if (ImagingDrawPoint(self->image->image, x, y, &ink, self->blend) < 0) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_draw_points(ImagingDrawObject* self, PyObject* args) -{ - double *xy; - Py_ssize_t i, n; - - PyObject *data; - int ink; - if (!PyArg_ParseTuple(args, "Oi", &data, &ink)) - return NULL; - - n = PyPath_Flatten(data, &xy); - if (n < 0) - return NULL; - - for (i = 0; i < n; i++) { - double *p = &xy[i+i]; - if (ImagingDrawPoint(self->image->image, (int) p[0], (int) p[1], - &ink, self->blend) < 0) { - free(xy); - return NULL; - } - } - - free(xy); - - Py_INCREF(Py_None); - return Py_None; -} - -#ifdef WITH_ARROW - -/* from outline.c */ -extern ImagingOutline PyOutline_AsOutline(PyObject* outline); - -static PyObject* -_draw_outline(ImagingDrawObject* self, PyObject* args) -{ - ImagingOutline outline; - - PyObject* outline_; - int ink; - int fill = 0; - if (!PyArg_ParseTuple(args, "Oi|i", &outline_, &ink, &fill)) - return NULL; - - outline = PyOutline_AsOutline(outline_); - if (!outline) { - PyErr_SetString(PyExc_TypeError, "expected outline object"); - return NULL; - } - - if (ImagingDrawOutline(self->image->image, outline, - &ink, fill, self->blend) < 0) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -#endif - -static PyObject* -_draw_pieslice(ImagingDrawObject* self, PyObject* args) -{ - double* xy; - Py_ssize_t n; - - PyObject* data; - int ink, fill; - float start, end; - if (!PyArg_ParseTuple(args, "Offii", &data, &start, &end, &ink, &fill)) - return NULL; - - n = PyPath_Flatten(data, &xy); - if (n < 0) - return NULL; - if (n != 2) { - PyErr_SetString(PyExc_TypeError, must_be_two_coordinates); - return NULL; - } - - n = ImagingDrawPieslice(self->image->image, - (int) xy[0], (int) xy[1], - (int) xy[2], (int) xy[3], - start, end, &ink, fill, self->blend - ); - - free(xy); - - if (n < 0) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_draw_polygon(ImagingDrawObject* self, PyObject* args) -{ - double *xy; - int *ixy; - Py_ssize_t n, i; - - PyObject* data; - int ink; - int fill = 0; - if (!PyArg_ParseTuple(args, "Oi|i", &data, &ink, &fill)) - return NULL; - - n = PyPath_Flatten(data, &xy); - if (n < 0) - return NULL; - if (n < 2) { - PyErr_SetString(PyExc_TypeError, - "coordinate list must contain at least 2 coordinates" - ); - return NULL; - } - - /* Copy list of vertices to array */ - ixy = (int*) calloc(n, 2 * sizeof(int)); - - for (i = 0; i < n; i++) { - ixy[i+i] = (int) xy[i+i]; - ixy[i+i+1] = (int) xy[i+i+1]; - } - - free(xy); - - if (ImagingDrawPolygon(self->image->image, n, ixy, - &ink, fill, self->blend) < 0) { - free(ixy); - return NULL; - } - - free(ixy); - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_draw_rectangle(ImagingDrawObject* self, PyObject* args) -{ - double* xy; - Py_ssize_t n; - - PyObject* data; - int ink; - int fill = 0; - if (!PyArg_ParseTuple(args, "Oi|i", &data, &ink, &fill)) - return NULL; - - n = PyPath_Flatten(data, &xy); - if (n < 0) - return NULL; - if (n != 2) { - PyErr_SetString(PyExc_TypeError, must_be_two_coordinates); - return NULL; - } - - n = ImagingDrawRectangle(self->image->image, - (int) xy[0], (int) xy[1], - (int) xy[2], (int) xy[3], - &ink, fill, self->blend - ); - - free(xy); - - if (n < 0) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -static struct PyMethodDef _draw_methods[] = { -#ifdef WITH_IMAGEDRAW - /* Graphics (ImageDraw) */ - {"draw_line", (PyCFunction)_draw_line, 1}, - {"draw_lines", (PyCFunction)_draw_lines, 1}, -#ifdef WITH_ARROW - {"draw_outline", (PyCFunction)_draw_outline, 1}, -#endif - {"draw_polygon", (PyCFunction)_draw_polygon, 1}, - {"draw_rectangle", (PyCFunction)_draw_rectangle, 1}, - {"draw_point", (PyCFunction)_draw_point, 1}, - {"draw_points", (PyCFunction)_draw_points, 1}, - {"draw_arc", (PyCFunction)_draw_arc, 1}, - {"draw_bitmap", (PyCFunction)_draw_bitmap, 1}, - {"draw_chord", (PyCFunction)_draw_chord, 1}, - {"draw_ellipse", (PyCFunction)_draw_ellipse, 1}, - {"draw_pieslice", (PyCFunction)_draw_pieslice, 1}, - {"draw_ink", (PyCFunction)_draw_ink, 1}, -#endif - {NULL, NULL} /* sentinel */ -}; - -#endif - - -static PyObject* -pixel_access_new(ImagingObject* imagep, PyObject* args) -{ - PixelAccessObject *self; - - int readonly = 0; - if (!PyArg_ParseTuple(args, "|i", &readonly)) - return NULL; - - self = PyObject_New(PixelAccessObject, &PixelAccess_Type); - if (self == NULL) - return NULL; - - /* keep a reference to the image object */ - Py_INCREF(imagep); - self->image = imagep; - - self->readonly = readonly; - - return (PyObject*) self; -} - -static void -pixel_access_dealloc(PixelAccessObject* self) -{ - Py_XDECREF(self->image); - PyObject_Del(self); -} - -static PyObject * -pixel_access_getitem(PixelAccessObject *self, PyObject *xy) -{ - int x, y; - if (_getxy(xy, &x, &y)) - return NULL; - - return getpixel(self->image->image, self->image->access, x, y); -} - -static int -pixel_access_setitem(PixelAccessObject *self, PyObject *xy, PyObject *color) -{ - Imaging im = self->image->image; - char ink[4]; - int x, y; - - if (self->readonly) { - (void) ImagingError_ValueError(readonly); - return -1; - } - - if (_getxy(xy, &x, &y)) - return -1; - - if (x < 0 || x >= im->xsize || y < 0 || y >= im->ysize) { - PyErr_SetString(PyExc_IndexError, outside_image); - return -1; - } - - if (!color) /* FIXME: raise exception? */ - return 0; - - if (!getink(color, im, ink)) - return -1; - - self->image->access->put_pixel(im, x, y, ink); - - return 0; -} - -/* -------------------------------------------------------------------- */ -/* EFFECTS (experimental) */ -/* -------------------------------------------------------------------- */ - -#ifdef WITH_EFFECTS - -static PyObject* -_effect_mandelbrot(ImagingObject* self, PyObject* args) -{ - int xsize = 512; - int ysize = 512; - double extent[4]; - int quality = 100; - - extent[0] = -3; extent[1] = -2.5; - extent[2] = 2; extent[3] = 2.5; - - if (!PyArg_ParseTuple(args, "|(ii)(dddd)i", &xsize, &ysize, - &extent[0], &extent[1], &extent[2], &extent[3], - &quality)) - return NULL; - - return PyImagingNew(ImagingEffectMandelbrot(xsize, ysize, extent, quality)); -} - -static PyObject* -_effect_noise(ImagingObject* self, PyObject* args) -{ - int xsize, ysize; - float sigma = 128; - if (!PyArg_ParseTuple(args, "(ii)|f", &xsize, &ysize, &sigma)) - return NULL; - - return PyImagingNew(ImagingEffectNoise(xsize, ysize, sigma)); -} - -static PyObject* -_effect_spread(ImagingObject* self, PyObject* args) -{ - int dist; - - if (!PyArg_ParseTuple(args, "i", &dist)) - return NULL; - - return PyImagingNew(ImagingEffectSpread(self->image, dist)); -} - -#endif - -/* -------------------------------------------------------------------- */ -/* UTILITIES */ -/* -------------------------------------------------------------------- */ - -static PyObject* -_crc32(PyObject* self, PyObject* args) -{ - unsigned char* buffer; - int bytes; - int hi, lo; - UINT32 crc; - - hi = lo = 0; - - if (!PyArg_ParseTuple(args, PY_ARG_BYTES_LENGTH"|(ii)", - &buffer, &bytes, &hi, &lo)) - return NULL; - - crc = ((UINT32) (hi & 0xFFFF) << 16) + (lo & 0xFFFF); - - crc = ImagingCRC32(crc, (unsigned char *)buffer, bytes); - - return Py_BuildValue("ii", (crc >> 16) & 0xFFFF, crc & 0xFFFF); -} - -static PyObject* -_getcodecstatus(PyObject* self, PyObject* args) -{ - int status; - char* msg; - - if (!PyArg_ParseTuple(args, "i", &status)) - return NULL; - - switch (status) { - case IMAGING_CODEC_OVERRUN: - msg = "buffer overrun"; break; - case IMAGING_CODEC_BROKEN: - msg = "broken data stream"; break; - case IMAGING_CODEC_UNKNOWN: - msg = "unrecognized data stream contents"; break; - case IMAGING_CODEC_CONFIG: - msg = "codec configuration error"; break; - case IMAGING_CODEC_MEMORY: - msg = "out of memory"; break; - default: - Py_RETURN_NONE; - } - - return PyUnicode_FromString(msg); -} - -/* -------------------------------------------------------------------- */ -/* DEBUGGING HELPERS */ -/* -------------------------------------------------------------------- */ - - -#ifdef WITH_DEBUG - -static PyObject* -_save_ppm(ImagingObject* self, PyObject* args) -{ - char* filename; - - if (!PyArg_ParseTuple(args, "s", &filename)) - return NULL; - - if (!ImagingSavePPM(self->image, filename)) - return NULL; - - Py_INCREF(Py_None); - return Py_None; -} - -#endif - -/* -------------------------------------------------------------------- */ - -/* methods */ - -static struct PyMethodDef methods[] = { - - /* Put commonly used methods first */ - {"getpixel", (PyCFunction)_getpixel, 1}, - {"putpixel", (PyCFunction)_putpixel, 1}, - - {"pixel_access", (PyCFunction)pixel_access_new, 1}, - - /* Standard processing methods (Image) */ - {"convert", (PyCFunction)_convert, 1}, - {"convert2", (PyCFunction)_convert2, 1}, - {"convert_matrix", (PyCFunction)_convert_matrix, 1}, - {"convert_transparent", (PyCFunction)_convert_transparent, 1}, - {"copy", (PyCFunction)_copy, 1}, - {"copy2", (PyCFunction)_copy2, 1}, - {"crop", (PyCFunction)_crop, 1}, - {"expand", (PyCFunction)_expand_image, 1}, - {"filter", (PyCFunction)_filter, 1}, - {"histogram", (PyCFunction)_histogram, 1}, -#ifdef WITH_MODEFILTER - {"modefilter", (PyCFunction)_modefilter, 1}, -#endif - {"offset", (PyCFunction)_offset, 1}, - {"paste", (PyCFunction)_paste, 1}, - {"point", (PyCFunction)_point, 1}, - {"point_transform", (PyCFunction)_point_transform, 1}, - {"putdata", (PyCFunction)_putdata, 1}, -#ifdef WITH_QUANTIZE - {"quantize", (PyCFunction)_quantize, 1}, -#endif -#ifdef WITH_RANKFILTER - {"rankfilter", (PyCFunction)_rankfilter, 1}, -#endif - {"resize", (PyCFunction)_resize, 1}, - // There were two methods for image resize before. - // Starting from Pillow 2.7.0 stretch is depreciated. - {"stretch", (PyCFunction)_resize, 1}, - {"transpose", (PyCFunction)_transpose, 1}, - {"transform2", (PyCFunction)_transform2, 1}, - - {"isblock", (PyCFunction)_isblock, 1}, - - {"getbbox", (PyCFunction)_getbbox, 1}, - {"getcolors", (PyCFunction)_getcolors, 1}, - {"getextrema", (PyCFunction)_getextrema, 1}, - {"getprojection", (PyCFunction)_getprojection, 1}, - - {"getband", (PyCFunction)_getband, 1}, - {"putband", (PyCFunction)_putband, 1}, - {"fillband", (PyCFunction)_fillband, 1}, - - {"setmode", (PyCFunction)im_setmode, 1}, - - {"getpalette", (PyCFunction)_getpalette, 1}, - {"getpalettemode", (PyCFunction)_getpalettemode, 1}, - {"putpalette", (PyCFunction)_putpalette, 1}, - {"putpalettealpha", (PyCFunction)_putpalettealpha, 1}, - {"putpalettealphas", (PyCFunction)_putpalettealphas, 1}, - -#ifdef WITH_IMAGECHOPS - /* Channel operations (ImageChops) */ - {"chop_invert", (PyCFunction)_chop_invert, 1}, - {"chop_lighter", (PyCFunction)_chop_lighter, 1}, - {"chop_darker", (PyCFunction)_chop_darker, 1}, - {"chop_difference", (PyCFunction)_chop_difference, 1}, - {"chop_multiply", (PyCFunction)_chop_multiply, 1}, - {"chop_screen", (PyCFunction)_chop_screen, 1}, - {"chop_add", (PyCFunction)_chop_add, 1}, - {"chop_subtract", (PyCFunction)_chop_subtract, 1}, - {"chop_add_modulo", (PyCFunction)_chop_add_modulo, 1}, - {"chop_subtract_modulo", (PyCFunction)_chop_subtract_modulo, 1}, - {"chop_and", (PyCFunction)_chop_and, 1}, - {"chop_or", (PyCFunction)_chop_or, 1}, - {"chop_xor", (PyCFunction)_chop_xor, 1}, -#endif - -#ifdef WITH_UNSHARPMASK - /* Kevin Cazabon's unsharpmask extension */ - {"gaussian_blur", (PyCFunction)_gaussian_blur, 1}, - {"unsharp_mask", (PyCFunction)_unsharp_mask, 1}, -#endif - - {"box_blur", (PyCFunction)_box_blur, 1}, - -#ifdef WITH_EFFECTS - /* Special effects */ - {"effect_spread", (PyCFunction)_effect_spread, 1}, -#endif - - /* Misc. */ - {"new_array", (PyCFunction)_new_array, 1}, - {"new_block", (PyCFunction)_new_block, 1}, - -#ifdef WITH_DEBUG - {"save_ppm", (PyCFunction)_save_ppm, 1}, -#endif - - {NULL, NULL} /* sentinel */ -}; - - -/* attributes */ - -static PyObject* -_getattr_mode(ImagingObject* self, void* closure) -{ - return PyUnicode_FromString(self->image->mode); -} - -static PyObject* -_getattr_size(ImagingObject* self, void* closure) -{ - return Py_BuildValue("ii", self->image->xsize, self->image->ysize); -} - -static PyObject* -_getattr_bands(ImagingObject* self, void* closure) -{ - return PyInt_FromLong(self->image->bands); -} - -static PyObject* -_getattr_id(ImagingObject* self, void* closure) -{ - return PyInt_FromSsize_t((Py_ssize_t) self->image); -} - -static PyObject* -_getattr_ptr(ImagingObject* self, void* closure) -{ -#if PY_VERSION_HEX >= 0x02070000 - return PyCapsule_New(self->image, IMAGING_MAGIC, NULL); -#else - return PyCObject_FromVoidPtrAndDesc(self->image, IMAGING_MAGIC, NULL); -#endif -} - -static PyObject* -_getattr_unsafe_ptrs(ImagingObject* self, void* closure) -{ - return Py_BuildValue("(ss)(si)(si)(si)(si)(si)(sn)(sn)(sn)(sn)(sn)(si)(si)(sn)", - "mode", self->image->mode, - "type", self->image->type, - "depth", self->image->depth, - "bands", self->image->bands, - "xsize", self->image->xsize, - "ysize", self->image->ysize, - "palette", self->image->palette, - "image8", self->image->image8, - "image32", self->image->image32, - "image", self->image->image, - "block", self->image->block, - "pixelsize", self->image->pixelsize, - "linesize", self->image->linesize, - "destroy", self->image->destroy - ); -}; - - -static struct PyGetSetDef getsetters[] = { - { "mode", (getter) _getattr_mode }, - { "size", (getter) _getattr_size }, - { "bands", (getter) _getattr_bands }, - { "id", (getter) _getattr_id }, - { "ptr", (getter) _getattr_ptr }, - { "unsafe_ptrs", (getter) _getattr_unsafe_ptrs }, - { NULL } -}; - -/* basic sequence semantics */ - -static Py_ssize_t -image_length(ImagingObject *self) -{ - Imaging im = self->image; - - return (Py_ssize_t) im->xsize * im->ysize; -} - -static PyObject * -image_item(ImagingObject *self, Py_ssize_t i) -{ - int x, y; - Imaging im = self->image; - - if (im->xsize > 0) { - x = i % im->xsize; - y = i / im->xsize; - } else - x = y = 0; /* leave it to getpixel to raise an exception */ - - return getpixel(im, self->access, x, y); -} - -static PySequenceMethods image_as_sequence = { - (lenfunc) image_length, /*sq_length*/ - (binaryfunc) NULL, /*sq_concat*/ - (ssizeargfunc) NULL, /*sq_repeat*/ - (ssizeargfunc) image_item, /*sq_item*/ - (ssizessizeargfunc) NULL, /*sq_slice*/ - (ssizeobjargproc) NULL, /*sq_ass_item*/ - (ssizessizeobjargproc) NULL, /*sq_ass_slice*/ -}; - - -/* type description */ - -static PyTypeObject Imaging_Type = { - PyVarObject_HEAD_INIT(NULL, 0) - "ImagingCore", /*tp_name*/ - sizeof(ImagingObject), /*tp_size*/ - 0, /*tp_itemsize*/ - /* methods */ - (destructor)_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number */ - &image_as_sequence, /*tp_as_sequence */ - 0, /*tp_as_mapping */ - 0, /*tp_hash*/ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - 0, /*tp_doc*/ - 0, /*tp_traverse*/ - 0, /*tp_clear*/ - 0, /*tp_richcompare*/ - 0, /*tp_weaklistoffset*/ - 0, /*tp_iter*/ - 0, /*tp_iternext*/ - methods, /*tp_methods*/ - 0, /*tp_members*/ - getsetters, /*tp_getset*/ -}; - -#ifdef WITH_IMAGEDRAW - -static PyTypeObject ImagingFont_Type = { - PyVarObject_HEAD_INIT(NULL, 0) - "ImagingFont", /*tp_name*/ - sizeof(ImagingFontObject), /*tp_size*/ - 0, /*tp_itemsize*/ - /* methods */ - (destructor)_font_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number */ - 0, /*tp_as_sequence */ - 0, /*tp_as_mapping */ - 0, /*tp_hash*/ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - 0, /*tp_doc*/ - 0, /*tp_traverse*/ - 0, /*tp_clear*/ - 0, /*tp_richcompare*/ - 0, /*tp_weaklistoffset*/ - 0, /*tp_iter*/ - 0, /*tp_iternext*/ - _font_methods, /*tp_methods*/ - 0, /*tp_members*/ - 0, /*tp_getset*/ -}; - -static PyTypeObject ImagingDraw_Type = { - PyVarObject_HEAD_INIT(NULL, 0) - "ImagingDraw", /*tp_name*/ - sizeof(ImagingDrawObject), /*tp_size*/ - 0, /*tp_itemsize*/ - /* methods */ - (destructor)_draw_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number */ - 0, /*tp_as_sequence */ - 0, /*tp_as_mapping */ - 0, /*tp_hash*/ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - 0, /*tp_doc*/ - 0, /*tp_traverse*/ - 0, /*tp_clear*/ - 0, /*tp_richcompare*/ - 0, /*tp_weaklistoffset*/ - 0, /*tp_iter*/ - 0, /*tp_iternext*/ - _draw_methods, /*tp_methods*/ - 0, /*tp_members*/ - 0, /*tp_getset*/ -}; - -#endif - -static PyMappingMethods pixel_access_as_mapping = { - (lenfunc) NULL, /*mp_length*/ - (binaryfunc) pixel_access_getitem, /*mp_subscript*/ - (objobjargproc) pixel_access_setitem, /*mp_ass_subscript*/ -}; - -/* type description */ - -static PyTypeObject PixelAccess_Type = { - PyVarObject_HEAD_INIT(NULL, 0) - "PixelAccess", sizeof(PixelAccessObject), 0, - /* methods */ - (destructor)pixel_access_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number */ - 0, /*tp_as_sequence */ - &pixel_access_as_mapping, /*tp_as_mapping */ - 0 /*tp_hash*/ -}; - -/* -------------------------------------------------------------------- */ - -/* FIXME: this is something of a mess. Should replace this with - pluggable codecs, but not before PIL 1.2 */ - -/* Decoders (in decode.c) */ -extern PyObject* PyImaging_BcnDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_BitDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_FliDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_GifDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_HexDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_JpegDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_Jpeg2KDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_TiffLzwDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_LibTiffDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_MspDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_PackbitsDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_PcdDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_PcxDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_RawDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_SunRleDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_TgaRleDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_XbmDecoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_ZipDecoderNew(PyObject* self, PyObject* args); - -/* Encoders (in encode.c) */ -extern PyObject* PyImaging_EpsEncoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_GifEncoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_JpegEncoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_Jpeg2KEncoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_PcxEncoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_RawEncoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_XbmEncoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_ZipEncoderNew(PyObject* self, PyObject* args); -extern PyObject* PyImaging_LibTiffEncoderNew(PyObject* self, PyObject* args); - -/* Display support etc (in display.c) */ -#ifdef _WIN32 -extern PyObject* PyImaging_CreateWindowWin32(PyObject* self, PyObject* args); -extern PyObject* PyImaging_DisplayWin32(PyObject* self, PyObject* args); -extern PyObject* PyImaging_DisplayModeWin32(PyObject* self, PyObject* args); -extern PyObject* PyImaging_GrabScreenWin32(PyObject* self, PyObject* args); -extern PyObject* PyImaging_GrabClipboardWin32(PyObject* self, PyObject* args); -extern PyObject* PyImaging_ListWindowsWin32(PyObject* self, PyObject* args); -extern PyObject* PyImaging_EventLoopWin32(PyObject* self, PyObject* args); -extern PyObject* PyImaging_DrawWmf(PyObject* self, PyObject* args); -#endif - -/* Experimental path stuff (in path.c) */ -extern PyObject* PyPath_Create(ImagingObject* self, PyObject* args); - -/* Experimental outline stuff (in outline.c) */ -extern PyObject* PyOutline_Create(ImagingObject* self, PyObject* args); - -extern PyObject* PyImaging_Mapper(PyObject* self, PyObject* args); -extern PyObject* PyImaging_MapBuffer(PyObject* self, PyObject* args); - -static PyMethodDef functions[] = { - - /* Object factories */ - {"alpha_composite", (PyCFunction)_alpha_composite, 1}, - {"blend", (PyCFunction)_blend, 1}, - {"fill", (PyCFunction)_fill, 1}, - {"new", (PyCFunction)_new, 1}, - - {"getcount", (PyCFunction)_getcount, 1}, - - /* Functions */ - {"convert", (PyCFunction)_convert2, 1}, - {"copy", (PyCFunction)_copy2, 1}, - - /* Codecs */ - {"bcn_decoder", (PyCFunction)PyImaging_BcnDecoderNew, 1}, - {"bit_decoder", (PyCFunction)PyImaging_BitDecoderNew, 1}, - {"eps_encoder", (PyCFunction)PyImaging_EpsEncoderNew, 1}, - {"fli_decoder", (PyCFunction)PyImaging_FliDecoderNew, 1}, - {"gif_decoder", (PyCFunction)PyImaging_GifDecoderNew, 1}, - {"gif_encoder", (PyCFunction)PyImaging_GifEncoderNew, 1}, - {"hex_decoder", (PyCFunction)PyImaging_HexDecoderNew, 1}, - {"hex_encoder", (PyCFunction)PyImaging_EpsEncoderNew, 1}, /* EPS=HEX! */ -#ifdef HAVE_LIBJPEG - {"jpeg_decoder", (PyCFunction)PyImaging_JpegDecoderNew, 1}, - {"jpeg_encoder", (PyCFunction)PyImaging_JpegEncoderNew, 1}, -#endif -#ifdef HAVE_OPENJPEG - {"jpeg2k_decoder", (PyCFunction)PyImaging_Jpeg2KDecoderNew, 1}, - {"jpeg2k_encoder", (PyCFunction)PyImaging_Jpeg2KEncoderNew, 1}, -#endif - {"tiff_lzw_decoder", (PyCFunction)PyImaging_TiffLzwDecoderNew, 1}, -#ifdef HAVE_LIBTIFF - {"libtiff_decoder", (PyCFunction)PyImaging_LibTiffDecoderNew, 1}, - {"libtiff_encoder", (PyCFunction)PyImaging_LibTiffEncoderNew, 1}, -#endif - {"msp_decoder", (PyCFunction)PyImaging_MspDecoderNew, 1}, - {"packbits_decoder", (PyCFunction)PyImaging_PackbitsDecoderNew, 1}, - {"pcd_decoder", (PyCFunction)PyImaging_PcdDecoderNew, 1}, - {"pcx_decoder", (PyCFunction)PyImaging_PcxDecoderNew, 1}, - {"pcx_encoder", (PyCFunction)PyImaging_PcxEncoderNew, 1}, - {"raw_decoder", (PyCFunction)PyImaging_RawDecoderNew, 1}, - {"raw_encoder", (PyCFunction)PyImaging_RawEncoderNew, 1}, - {"sun_rle_decoder", (PyCFunction)PyImaging_SunRleDecoderNew, 1}, - {"tga_rle_decoder", (PyCFunction)PyImaging_TgaRleDecoderNew, 1}, - {"xbm_decoder", (PyCFunction)PyImaging_XbmDecoderNew, 1}, - {"xbm_encoder", (PyCFunction)PyImaging_XbmEncoderNew, 1}, -#ifdef HAVE_LIBZ - {"zip_decoder", (PyCFunction)PyImaging_ZipDecoderNew, 1}, - {"zip_encoder", (PyCFunction)PyImaging_ZipEncoderNew, 1}, -#endif - - /* Memory mapping */ -#ifdef WITH_MAPPING -#ifdef _WIN32 - {"map", (PyCFunction)PyImaging_Mapper, 1}, -#endif - {"map_buffer", (PyCFunction)PyImaging_MapBuffer, 1}, -#endif - - /* Display support */ -#ifdef _WIN32 - {"display", (PyCFunction)PyImaging_DisplayWin32, 1}, - {"display_mode", (PyCFunction)PyImaging_DisplayModeWin32, 1}, - {"grabscreen", (PyCFunction)PyImaging_GrabScreenWin32, 1}, - {"grabclipboard", (PyCFunction)PyImaging_GrabClipboardWin32, 1}, - {"createwindow", (PyCFunction)PyImaging_CreateWindowWin32, 1}, - {"eventloop", (PyCFunction)PyImaging_EventLoopWin32, 1}, - {"listwindows", (PyCFunction)PyImaging_ListWindowsWin32, 1}, - {"drawwmf", (PyCFunction)PyImaging_DrawWmf, 1}, -#endif - - /* Utilities */ - {"crc32", (PyCFunction)_crc32, 1}, - {"getcodecstatus", (PyCFunction)_getcodecstatus, 1}, - - /* Special effects (experimental) */ -#ifdef WITH_EFFECTS - {"effect_mandelbrot", (PyCFunction)_effect_mandelbrot, 1}, - {"effect_noise", (PyCFunction)_effect_noise, 1}, - {"linear_gradient", (PyCFunction)_linear_gradient, 1}, - {"radial_gradient", (PyCFunction)_radial_gradient, 1}, - {"wedge", (PyCFunction)_linear_gradient, 1}, /* Compatibility */ -#endif - - /* Drawing support stuff */ -#ifdef WITH_IMAGEDRAW - {"font", (PyCFunction)_font_new, 1}, - {"draw", (PyCFunction)_draw_new, 1}, -#endif - - /* Experimental path stuff */ -#ifdef WITH_IMAGEPATH - {"path", (PyCFunction)PyPath_Create, 1}, -#endif - - /* Experimental arrow graphics stuff */ -#ifdef WITH_ARROW - {"outline", (PyCFunction)PyOutline_Create, 1}, -#endif - - {NULL, NULL} /* sentinel */ -}; - -static int -setup_module(PyObject* m) { - PyObject* d = PyModule_GetDict(m); - - /* Ready object types */ - if (PyType_Ready(&Imaging_Type) < 0) - return -1; - -#ifdef WITH_IMAGEDRAW - if (PyType_Ready(&ImagingFont_Type) < 0) - return -1; - - if (PyType_Ready(&ImagingDraw_Type) < 0) - return -1; -#endif - if (PyType_Ready(&PixelAccess_Type) < 0) - return -1; - - ImagingAccessInit(); - -#ifdef HAVE_LIBJPEG - { - extern const char* ImagingJpegVersion(void); - PyDict_SetItemString(d, "jpeglib_version", PyUnicode_FromString(ImagingJpegVersion())); - } -#endif - -#ifdef HAVE_OPENJPEG - { - extern const char *ImagingJpeg2KVersion(void); - PyDict_SetItemString(d, "jp2klib_version", PyUnicode_FromString(ImagingJpeg2KVersion())); - } -#endif - -#ifdef HAVE_LIBZ - /* zip encoding strategies */ - PyModule_AddIntConstant(m, "DEFAULT_STRATEGY", Z_DEFAULT_STRATEGY); - PyModule_AddIntConstant(m, "FILTERED", Z_FILTERED); - PyModule_AddIntConstant(m, "HUFFMAN_ONLY", Z_HUFFMAN_ONLY); - PyModule_AddIntConstant(m, "RLE", Z_RLE); - PyModule_AddIntConstant(m, "FIXED", Z_FIXED); - { - extern const char* ImagingZipVersion(void); - PyDict_SetItemString(d, "zlib_version", PyUnicode_FromString(ImagingZipVersion())); - } -#endif - - PyDict_SetItemString(d, "PILLOW_VERSION", PyUnicode_FromString(PILLOW_VERSION)); - - return 0; -} - -#if PY_VERSION_HEX >= 0x03000000 -PyMODINIT_FUNC -PyInit__imaging(void) { - PyObject* m; - - static PyModuleDef module_def = { - PyModuleDef_HEAD_INIT, - "_imaging", /* m_name */ - NULL, /* m_doc */ - -1, /* m_size */ - functions, /* m_methods */ - }; - - m = PyModule_Create(&module_def); - - if (setup_module(m) < 0) - return NULL; - - return m; -} -#else -PyMODINIT_FUNC -init_imaging(void) -{ - PyObject* m = Py_InitModule("_imaging", functions); - setup_module(m); -} -#endif - diff --git a/_imagingcms.c b/_imagingcms.c deleted file mode 100644 index fe905f969e6..00000000000 --- a/_imagingcms.c +++ /dev/null @@ -1,1521 +0,0 @@ -/* - * pyCMS - * a Python / PIL interface to the littleCMS ICC Color Management System - * Copyright (C) 2002-2003 Kevin Cazabon - * kevin@cazabon.com - * http://www.cazabon.com - * Adapted/reworked for PIL by Fredrik Lundh - * Copyright (c) 2009 Fredrik Lundh - * Updated to LCMS2 - * Copyright (c) 2013 Eric Soroos - * - * pyCMS home page: http://www.cazabon.com/pyCMS - * littleCMS home page: http://www.littlecms.com - * (littleCMS is Copyright (C) 1998-2001 Marti Maria) - * - * Originally released under LGPL. Graciously donated to PIL in - * March 2009, for distribution under the standard PIL license - */ - -#define COPYRIGHTINFO "\ -pyCMS\n\ -a Python / PIL interface to the littleCMS ICC Color Management System\n\ -Copyright (C) 2002-2003 Kevin Cazabon\n\ -kevin@cazabon.com\n\ -http://www.cazabon.com\n\ -" - -#include "Python.h" // Include before wchar.h so _GNU_SOURCE is set -#include "wchar.h" -#include "datetime.h" - -#include "lcms2.h" -#include "Imaging.h" -#include "py3.h" - -#define PYCMSVERSION "1.0.0 pil" - -/* version history */ - -/* - 1.0.0 pil Integrating littleCMS2 - 0.1.0 pil integration & refactoring - 0.0.2 alpha: Minor updates, added interfaces to littleCMS features, Jan 6, 2003 - - fixed some memory holes in how transforms/profiles were created and passed back to Python - due to improper destructor setup for PyCObjects - - added buildProofTransformFromOpenProfiles() function - - eliminated some code redundancy, centralizing several common tasks with internal functions - - 0.0.1 alpha: First public release Dec 26, 2002 - -*/ - -/* known to-do list with current version: - - Verify that PILmode->littleCMStype conversion in findLCMStype is correct for all - PIL modes (it probably isn't for the more obscure ones) - - Add support for creating custom RGB profiles on the fly - Add support for checking presence of a specific tag in a profile - Add support for other littleCMS features as required - -*/ - -/* - INTENT_PERCEPTUAL 0 - INTENT_RELATIVE_COLORIMETRIC 1 - INTENT_SATURATION 2 - INTENT_ABSOLUTE_COLORIMETRIC 3 -*/ - -/* -------------------------------------------------------------------- */ -/* wrapper classes */ - -/* a profile represents the ICC characteristics for a specific device */ - -typedef struct { - PyObject_HEAD - cmsHPROFILE profile; -} CmsProfileObject; - -static PyTypeObject CmsProfile_Type; - -#define CmsProfile_Check(op) (Py_TYPE(op) == &CmsProfile_Type) - -static PyObject* -cms_profile_new(cmsHPROFILE profile) -{ - CmsProfileObject* self; - - self = PyObject_New(CmsProfileObject, &CmsProfile_Type); - if (!self) - return NULL; - - self->profile = profile; - - return (PyObject*) self; -} - -static PyObject* -cms_profile_open(PyObject* self, PyObject* args) -{ - cmsHPROFILE hProfile; - - char* sProfile; - if (!PyArg_ParseTuple(args, "s:profile_open", &sProfile)) - return NULL; - - hProfile = cmsOpenProfileFromFile(sProfile, "r"); - if (!hProfile) { - PyErr_SetString(PyExc_IOError, "cannot open profile file"); - return NULL; - } - - return cms_profile_new(hProfile); -} - -static PyObject* -cms_profile_fromstring(PyObject* self, PyObject* args) -{ - cmsHPROFILE hProfile; - - char* pProfile; - int nProfile; -#if PY_VERSION_HEX >= 0x03000000 - if (!PyArg_ParseTuple(args, "y#:profile_frombytes", &pProfile, &nProfile)) - return NULL; -#else - if (!PyArg_ParseTuple(args, "s#:profile_fromstring", &pProfile, &nProfile)) - return NULL; -#endif - - hProfile = cmsOpenProfileFromMem(pProfile, nProfile); - if (!hProfile) { - PyErr_SetString(PyExc_IOError, "cannot open profile from string"); - return NULL; - } - - return cms_profile_new(hProfile); -} - -static PyObject* -cms_profile_tobytes(PyObject* self, PyObject* args) -{ - char *pProfile =NULL; - cmsUInt32Number nProfile; - PyObject* CmsProfile; - - cmsHPROFILE *profile; - - PyObject* ret; - if (!PyArg_ParseTuple(args, "O", &CmsProfile)){ - return NULL; - } - - profile = ((CmsProfileObject*)CmsProfile)->profile; - - if (!cmsSaveProfileToMem(profile, pProfile, &nProfile)) { - PyErr_SetString(PyExc_IOError, "Could not determine profile size"); - return NULL; - } - - pProfile = (char*)malloc(nProfile); - if (!pProfile) { - PyErr_SetString(PyExc_IOError, "Out of Memory"); - return NULL; - } - - if (!cmsSaveProfileToMem(profile, pProfile, &nProfile)) { - PyErr_SetString(PyExc_IOError, "Could not get profile"); - free(pProfile); - return NULL; - } - -#if PY_VERSION_HEX >= 0x03000000 - ret = PyBytes_FromStringAndSize(pProfile, (Py_ssize_t)nProfile); -#else - ret = PyString_FromStringAndSize(pProfile, (Py_ssize_t)nProfile); -#endif - - free(pProfile); - return ret; -} - -static void -cms_profile_dealloc(CmsProfileObject* self) -{ - (void) cmsCloseProfile(self->profile); - PyObject_Del(self); -} - -/* a transform represents the mapping between two profiles */ - -typedef struct { - PyObject_HEAD - char mode_in[8]; - char mode_out[8]; - cmsHTRANSFORM transform; -} CmsTransformObject; - -static PyTypeObject CmsTransform_Type; - -#define CmsTransform_Check(op) (Py_TYPE(op) == &CmsTransform_Type) - -static PyObject* -cms_transform_new(cmsHTRANSFORM transform, char* mode_in, char* mode_out) -{ - CmsTransformObject* self; - - self = PyObject_New(CmsTransformObject, &CmsTransform_Type); - if (!self) - return NULL; - - self->transform = transform; - - strcpy(self->mode_in, mode_in); - strcpy(self->mode_out, mode_out); - - return (PyObject*) self; -} - -static void -cms_transform_dealloc(CmsTransformObject* self) -{ - cmsDeleteTransform(self->transform); - PyObject_Del(self); -} - -/* -------------------------------------------------------------------- */ -/* internal functions */ - -static const char* -findICmode(cmsColorSpaceSignature cs) -{ - switch (cs) { - case cmsSigXYZData: return "XYZ"; - case cmsSigLabData: return "LAB"; - case cmsSigLuvData: return "LUV"; - case cmsSigYCbCrData: return "YCbCr"; - case cmsSigYxyData: return "YXY"; - case cmsSigRgbData: return "RGB"; - case cmsSigGrayData: return "L"; - case cmsSigHsvData: return "HSV"; - case cmsSigHlsData: return "HLS"; - case cmsSigCmykData: return "CMYK"; - case cmsSigCmyData: return "CMY"; - default: return ""; /* other TBA */ - } -} - -static cmsUInt32Number -findLCMStype(char* PILmode) -{ - if (strcmp(PILmode, "RGB") == 0) { - return TYPE_RGBA_8; - } - else if (strcmp(PILmode, "RGBA") == 0) { - return TYPE_RGBA_8; - } - else if (strcmp(PILmode, "RGBX") == 0) { - return TYPE_RGBA_8; - } - else if (strcmp(PILmode, "RGBA;16B") == 0) { - return TYPE_RGBA_16; - } - else if (strcmp(PILmode, "CMYK") == 0) { - return TYPE_CMYK_8; - } - else if (strcmp(PILmode, "L") == 0) { - return TYPE_GRAY_8; - } - else if (strcmp(PILmode, "L;16") == 0) { - return TYPE_GRAY_16; - } - else if (strcmp(PILmode, "L;16B") == 0) { - return TYPE_GRAY_16_SE; - } - else if (strcmp(PILmode, "YCCA") == 0) { - return TYPE_YCbCr_8; - } - else if (strcmp(PILmode, "YCC") == 0) { - return TYPE_YCbCr_8; - } - else if (strcmp(PILmode, "LAB") == 0) { - // LabX equivalent like ALab, but not reversed -- no #define in lcms2 - return (COLORSPACE_SH(PT_LabV2)|CHANNELS_SH(3)|BYTES_SH(1)|EXTRA_SH(1)); - } - - else { - /* take a wild guess... but you probably should fail instead. */ - return TYPE_GRAY_8; /* so there's no buffer overrun... */ - } -} - -static int -pyCMSdoTransform(Imaging im, Imaging imOut, cmsHTRANSFORM hTransform) -{ - int i; - - if (im->xsize > imOut->xsize || im->ysize > imOut->ysize) - return -1; - - Py_BEGIN_ALLOW_THREADS - - for (i = 0; i < im->ysize; i++) - cmsDoTransform(hTransform, im->image[i], imOut->image[i], im->xsize); - - Py_END_ALLOW_THREADS - - return 0; -} - -static cmsHTRANSFORM -_buildTransform(cmsHPROFILE hInputProfile, cmsHPROFILE hOutputProfile, char *sInMode, char *sOutMode, int iRenderingIntent, cmsUInt32Number cmsFLAGS) -{ - cmsHTRANSFORM hTransform; - - Py_BEGIN_ALLOW_THREADS - - /* create the transform */ - hTransform = cmsCreateTransform(hInputProfile, - findLCMStype(sInMode), - hOutputProfile, - findLCMStype(sOutMode), - iRenderingIntent, cmsFLAGS); - - Py_END_ALLOW_THREADS - - if (!hTransform) - PyErr_SetString(PyExc_ValueError, "cannot build transform"); - - return hTransform; /* if NULL, an exception is set */ -} - -static cmsHTRANSFORM -_buildProofTransform(cmsHPROFILE hInputProfile, cmsHPROFILE hOutputProfile, cmsHPROFILE hProofProfile, char *sInMode, char *sOutMode, int iRenderingIntent, int iProofIntent, cmsUInt32Number cmsFLAGS) -{ - cmsHTRANSFORM hTransform; - - Py_BEGIN_ALLOW_THREADS - - /* create the transform */ - hTransform = cmsCreateProofingTransform(hInputProfile, - findLCMStype(sInMode), - hOutputProfile, - findLCMStype(sOutMode), - hProofProfile, - iRenderingIntent, - iProofIntent, - cmsFLAGS); - - Py_END_ALLOW_THREADS - - if (!hTransform) - PyErr_SetString(PyExc_ValueError, "cannot build proof transform"); - - return hTransform; /* if NULL, an exception is set */ -} - -/* -------------------------------------------------------------------- */ -/* Python callable functions */ - -static PyObject * -buildTransform(PyObject *self, PyObject *args) { - CmsProfileObject *pInputProfile; - CmsProfileObject *pOutputProfile; - char *sInMode; - char *sOutMode; - int iRenderingIntent = 0; - int cmsFLAGS = 0; - - cmsHTRANSFORM transform = NULL; - - if (!PyArg_ParseTuple(args, "O!O!ss|ii:buildTransform", &CmsProfile_Type, &pInputProfile, &CmsProfile_Type, &pOutputProfile, &sInMode, &sOutMode, &iRenderingIntent, &cmsFLAGS)) - return NULL; - - transform = _buildTransform(pInputProfile->profile, pOutputProfile->profile, sInMode, sOutMode, iRenderingIntent, cmsFLAGS); - - if (!transform) - return NULL; - - return cms_transform_new(transform, sInMode, sOutMode); -} - -static PyObject * -buildProofTransform(PyObject *self, PyObject *args) -{ - CmsProfileObject *pInputProfile; - CmsProfileObject *pOutputProfile; - CmsProfileObject *pProofProfile; - char *sInMode; - char *sOutMode; - int iRenderingIntent = 0; - int iProofIntent = 0; - int cmsFLAGS = 0; - - cmsHTRANSFORM transform = NULL; - - if (!PyArg_ParseTuple(args, "O!O!O!ss|iii:buildProofTransform", &CmsProfile_Type, &pInputProfile, &CmsProfile_Type, &pOutputProfile, &CmsProfile_Type, &pProofProfile, &sInMode, &sOutMode, &iRenderingIntent, &iProofIntent, &cmsFLAGS)) - return NULL; - - transform = _buildProofTransform(pInputProfile->profile, pOutputProfile->profile, pProofProfile->profile, sInMode, sOutMode, iRenderingIntent, iProofIntent, cmsFLAGS); - - if (!transform) - return NULL; - - return cms_transform_new(transform, sInMode, sOutMode); - -} - -static PyObject * -cms_transform_apply(CmsTransformObject *self, PyObject *args) -{ - Py_ssize_t idIn; - Py_ssize_t idOut; - Imaging im; - Imaging imOut; - - int result; - - if (!PyArg_ParseTuple(args, "nn:apply", &idIn, &idOut)) - return NULL; - - im = (Imaging) idIn; - imOut = (Imaging) idOut; - - result = pyCMSdoTransform(im, imOut, self->transform); - - return Py_BuildValue("i", result); -} - -/* -------------------------------------------------------------------- */ -/* Python-Callable On-The-Fly profile creation functions */ - -static PyObject * -createProfile(PyObject *self, PyObject *args) -{ - char *sColorSpace; - cmsHPROFILE hProfile; - cmsFloat64Number dColorTemp = 0.0; - cmsCIExyY whitePoint; - cmsBool result; - - if (!PyArg_ParseTuple(args, "s|d:createProfile", &sColorSpace, &dColorTemp)) - return NULL; - - if (strcmp(sColorSpace, "LAB") == 0) { - if (dColorTemp > 0.0) { - result = cmsWhitePointFromTemp(&whitePoint, dColorTemp); - if (!result) { - PyErr_SetString(PyExc_ValueError, "ERROR: Could not calculate white point from color temperature provided, must be float in degrees Kelvin"); - return NULL; - } - hProfile = cmsCreateLab2Profile(&whitePoint); - } else { - hProfile = cmsCreateLab2Profile(NULL); - } - } - else if (strcmp(sColorSpace, "XYZ") == 0) { - hProfile = cmsCreateXYZProfile(); - } - else if (strcmp(sColorSpace, "sRGB") == 0) { - hProfile = cmsCreate_sRGBProfile(); - } - else { - hProfile = NULL; - } - - if (!hProfile) { - PyErr_SetString(PyExc_ValueError, "failed to create requested color space"); - return NULL; - } - - return cms_profile_new(hProfile); -} - -/* -------------------------------------------------------------------- */ -/* profile methods */ - -static PyObject * -cms_profile_is_intent_supported(CmsProfileObject *self, PyObject *args) -{ - cmsBool result; - - int intent; - int direction; - if (!PyArg_ParseTuple(args, "ii:is_intent_supported", &intent, &direction)) - return NULL; - - result = cmsIsIntentSupported(self->profile, intent, direction); - - /* printf("cmsIsIntentSupported(%p, %d, %d) => %d\n", self->profile, intent, direction, result); */ - - return PyInt_FromLong(result != 0); -} - -#ifdef _WIN32 -static PyObject * -cms_get_display_profile_win32(PyObject* self, PyObject* args) -{ - char filename[MAX_PATH]; - cmsUInt32Number filename_size; - BOOL ok; - - int handle = 0; - int is_dc = 0; - if (!PyArg_ParseTuple(args, "|ii:get_display_profile", &handle, &is_dc)) - return NULL; - - filename_size = sizeof(filename); - - if (is_dc) { - ok = GetICMProfile((HDC) handle, &filename_size, filename); - } else { - HDC dc = GetDC((HWND) handle); - ok = GetICMProfile(dc, &filename_size, filename); - ReleaseDC((HWND) handle, dc); - } - - if (ok) - return PyUnicode_FromStringAndSize(filename, filename_size-1); - - Py_INCREF(Py_None); - return Py_None; -} -#endif - -/* -------------------------------------------------------------------- */ -/* Helper functions. */ - -static PyObject* -_profile_read_mlu(CmsProfileObject* self, cmsTagSignature info) -{ - PyObject *uni; - char *lc = "en"; - char *cc = cmsNoCountry; - cmsMLU *mlu; - cmsUInt32Number len; - wchar_t *buf; - - if (!cmsIsTag(self->profile, info)) { - Py_INCREF(Py_None); - return Py_None; - } - - mlu = cmsReadTag(self->profile, info); - if (!mlu) { - Py_INCREF(Py_None); - return Py_None; - } - - len = cmsMLUgetWide(mlu, lc, cc, NULL, 0); - if (len == 0) { - Py_INCREF(Py_None); - return Py_None; - } - - buf = malloc(len); - if (!buf) { - PyErr_SetString(PyExc_IOError, "Out of Memory"); - return NULL; - } - /* Just in case the next call fails. */ - buf[0] = '\0'; - - cmsMLUgetWide(mlu, lc, cc, buf, len); - // buf contains additional junk after \0 - uni = PyUnicode_FromWideChar(buf, wcslen(buf)); - free(buf); - - return uni; -} - - -static PyObject* -_profile_read_int_as_string(cmsUInt32Number nr) -{ - PyObject* ret; - char buf[5]; - buf[0] = (char) ((nr >> 24) & 0xff); - buf[1] = (char) ((nr >> 16) & 0xff); - buf[2] = (char) ((nr >> 8) & 0xff); - buf[3] = (char) (nr & 0xff); - buf[4] = 0; - -#if PY_VERSION_HEX >= 0x03000000 - ret = PyUnicode_DecodeASCII(buf, 4, NULL); -#else - ret = PyString_FromStringAndSize(buf, 4); -#endif - return ret; -} - - -static PyObject* -_profile_read_signature(CmsProfileObject* self, cmsTagSignature info) -{ - unsigned int *sig; - - if (!cmsIsTag(self->profile, info)) { - Py_INCREF(Py_None); - return Py_None; - } - - sig = (unsigned int *) cmsReadTag(self->profile, info); - if (!sig) { - Py_INCREF(Py_None); - return Py_None; - } - - return _profile_read_int_as_string(*sig); -} - -static PyObject* -_xyz_py(cmsCIEXYZ* XYZ) -{ - cmsCIExyY xyY; - cmsXYZ2xyY(&xyY, XYZ); - return Py_BuildValue("((d,d,d),(d,d,d))", XYZ->X, XYZ->Y, XYZ->Z, xyY.x, xyY.y, xyY.Y); -} - -static PyObject* -_xyz3_py(cmsCIEXYZ* XYZ) -{ - cmsCIExyY xyY[3]; - cmsXYZ2xyY(&xyY[0], &XYZ[0]); - cmsXYZ2xyY(&xyY[1], &XYZ[1]); - cmsXYZ2xyY(&xyY[2], &XYZ[2]); - - return Py_BuildValue("(((d,d,d),(d,d,d),(d,d,d)),((d,d,d),(d,d,d),(d,d,d)))", - XYZ[0].X, XYZ[0].Y, XYZ[0].Z, - XYZ[1].X, XYZ[1].Y, XYZ[1].Z, - XYZ[2].X, XYZ[2].Y, XYZ[2].Z, - xyY[0].x, xyY[0].y, xyY[0].Y, - xyY[1].x, xyY[1].y, xyY[1].Y, - xyY[2].x, xyY[2].y, xyY[2].Y); -} - -static PyObject* -_profile_read_ciexyz(CmsProfileObject* self, cmsTagSignature info, int multi) -{ - cmsCIEXYZ* XYZ; - - if (!cmsIsTag(self->profile, info)) { - Py_INCREF(Py_None); - return Py_None; - } - - XYZ = (cmsCIEXYZ*) cmsReadTag(self->profile, info); - if (!XYZ) { - Py_INCREF(Py_None); - return Py_None; - } - if (multi) - return _xyz3_py(XYZ); - else - return _xyz_py(XYZ); -} - -static PyObject* -_profile_read_ciexyy_triple(CmsProfileObject* self, cmsTagSignature info) -{ - cmsCIExyYTRIPLE* triple; - - if (!cmsIsTag(self->profile, info)) { - Py_INCREF(Py_None); - return Py_None; - } - - triple = (cmsCIExyYTRIPLE*) cmsReadTag(self->profile, info); - if (!triple) { - Py_INCREF(Py_None); - return Py_None; - } - - /* Note: lcms does all the heavy lifting and error checking (nr of - channels == 3). */ - return Py_BuildValue("((d,d,d),(d,d,d),(d,d,d)),", - triple->Red.x, triple->Red.y, triple->Red.Y, - triple->Green.x, triple->Green.y, triple->Green.Y, - triple->Blue.x, triple->Blue.y, triple->Blue.Y); -} - -static PyObject* -_profile_read_named_color_list(CmsProfileObject* self, cmsTagSignature info) -{ - cmsNAMEDCOLORLIST* ncl; - int i, n; - char name[cmsMAX_PATH]; - PyObject* result; - - if (!cmsIsTag(self->profile, info)) { - Py_INCREF(Py_None); - return Py_None; - } - - ncl = (cmsNAMEDCOLORLIST*) cmsReadTag(self->profile, info); - if (ncl == NULL) { - Py_INCREF(Py_None); - return Py_None; - } - - n = cmsNamedColorCount(ncl); - result = PyList_New(n); - if (!result) { - Py_INCREF(Py_None); - return Py_None; - } - - for (i = 0; i < n; i++) { - PyObject* str; - cmsNamedColorInfo(ncl, i, name, NULL, NULL, NULL, NULL); - str = PyUnicode_FromString(name); - if (str == NULL) { - Py_DECREF(result); - Py_INCREF(Py_None); - return Py_None; - } - PyList_SET_ITEM(result, i, str); - } - - return result; -} - -static cmsBool _calculate_rgb_primaries(CmsProfileObject* self, cmsCIEXYZTRIPLE* result) -{ - double input[3][3] = { { 1, 0, 0 }, { 0, 1, 0 }, { 0, 0, 1 } }; - cmsHPROFILE hXYZ; - cmsHTRANSFORM hTransform; - - /* http://littlecms2.blogspot.com/2009/07/less-is-more.html */ - - // double array of RGB values with max on each identity - hXYZ = cmsCreateXYZProfile(); - if (hXYZ == NULL) - return 0; - - // transform from our profile to XYZ using doubles for highest precision - hTransform = cmsCreateTransform(self->profile, TYPE_RGB_DBL, - hXYZ, TYPE_XYZ_DBL, - INTENT_RELATIVE_COLORIMETRIC, - cmsFLAGS_NOCACHE | cmsFLAGS_NOOPTIMIZE); - cmsCloseProfile(hXYZ); - if (hTransform == NULL) - return 0; - - cmsDoTransform(hTransform, (void*) input, result, 3); - cmsDeleteTransform(hTransform); - return 1; -} - -static cmsBool _check_intent(int clut, cmsHPROFILE hProfile, cmsUInt32Number Intent, cmsUInt32Number UsedDirection) -{ - if (clut) { - return cmsIsCLUT(hProfile, Intent, UsedDirection); - } - else { - return cmsIsIntentSupported(hProfile, Intent, UsedDirection); - } -} - -#define INTENTS 200 - -static PyObject* -_is_intent_supported(CmsProfileObject* self, int clut) -{ - PyObject* result; - int n; - int i; - cmsUInt32Number intent_ids[INTENTS]; - char *intent_descs[INTENTS]; - - result = PyDict_New(); - if (result == NULL) { - Py_INCREF(Py_None); - return Py_None; - } - - - n = cmsGetSupportedIntents(INTENTS, - intent_ids, - intent_descs); - for (i = 0; i < n; i++) { - int intent = (int) intent_ids[i]; - PyObject* id; - PyObject* entry; - - /* Only valid for ICC Intents (otherwise we read invalid memory in lcms cmsio1.c). */ - if (!(intent == INTENT_PERCEPTUAL || intent == INTENT_RELATIVE_COLORIMETRIC - || intent == INTENT_SATURATION || intent == INTENT_ABSOLUTE_COLORIMETRIC)) - continue; - - id = PyInt_FromLong((long) intent); - entry = Py_BuildValue("(OOO)", - _check_intent(clut, self->profile, intent, LCMS_USED_AS_INPUT) ? Py_True : Py_False, - _check_intent(clut, self->profile, intent, LCMS_USED_AS_OUTPUT) ? Py_True : Py_False, - _check_intent(clut, self->profile, intent, LCMS_USED_AS_PROOF) ? Py_True : Py_False); - if (id == NULL || entry == NULL) { - Py_XDECREF(id); - Py_XDECREF(entry); - Py_XDECREF(result); - Py_INCREF(Py_None); - return Py_None; - } - PyDict_SetItem(result, id, entry); - } - return result; -} - -/* -------------------------------------------------------------------- */ -/* Python interface setup */ - -static PyMethodDef pyCMSdll_methods[] = { - - {"profile_open", cms_profile_open, 1}, - {"profile_frombytes", cms_profile_fromstring, 1}, - {"profile_fromstring", cms_profile_fromstring, 1}, - {"profile_tobytes", cms_profile_tobytes, 1}, - - /* profile and transform functions */ - {"buildTransform", buildTransform, 1}, - {"buildProofTransform", buildProofTransform, 1}, - {"createProfile", createProfile, 1}, - - /* platform specific tools */ -#ifdef _WIN32 - {"get_display_profile_win32", cms_get_display_profile_win32, 1}, -#endif - - {NULL, NULL} -}; - -static struct PyMethodDef cms_profile_methods[] = { - {"is_intent_supported", (PyCFunction) cms_profile_is_intent_supported, 1}, - {NULL, NULL} /* sentinel */ -}; - -static PyObject* -_profile_getattr(CmsProfileObject* self, cmsInfoType field) -{ - // UNDONE -- check that I'm getting the right fields on these. - // return PyUnicode_DecodeFSDefault(cmsTakeProductName(self->profile)); - //wchar_t buf[256]; -- UNDONE need wchar_t for unicode version. - char buf[256]; - cmsUInt32Number written; - written = cmsGetProfileInfoASCII(self->profile, - field, - "en", - "us", - buf, - 256); - if (written) { - return PyUnicode_FromString(buf); - } - // UNDONE suppressing error here by sending back blank string. - return PyUnicode_FromString(""); -} - -static PyObject* -cms_profile_getattr_product_desc(CmsProfileObject* self, void* closure) -{ - // description was Description != 'Copyright' || or "%s - %s" (manufacturer, model) in 1.x - return _profile_getattr(self, cmsInfoDescription); -} - -/* use these four for the individual fields. - */ -static PyObject* -cms_profile_getattr_product_description(CmsProfileObject* self, void* closure) -{ - return _profile_getattr(self, cmsInfoDescription); -} - -static PyObject* -cms_profile_getattr_product_model(CmsProfileObject* self, void* closure) -{ - return _profile_getattr(self, cmsInfoModel); -} - -static PyObject* -cms_profile_getattr_product_manufacturer(CmsProfileObject* self, void* closure) -{ - return _profile_getattr(self, cmsInfoManufacturer); -} - -static PyObject* -cms_profile_getattr_product_copyright(CmsProfileObject* self, void* closure) -{ - return _profile_getattr(self, cmsInfoCopyright); -} - -static PyObject* -cms_profile_getattr_rendering_intent(CmsProfileObject* self, void* closure) -{ - return PyInt_FromLong(cmsGetHeaderRenderingIntent(self->profile)); -} - -static PyObject* -cms_profile_getattr_pcs(CmsProfileObject* self, void* closure) -{ - return PyUnicode_DecodeFSDefault(findICmode(cmsGetPCS(self->profile))); -} - -static PyObject* -cms_profile_getattr_color_space(CmsProfileObject* self, void* closure) -{ - return PyUnicode_DecodeFSDefault(findICmode(cmsGetColorSpace(self->profile))); -} - -/* New-style unicode interfaces. */ -static PyObject* -cms_profile_getattr_copyright(CmsProfileObject* self, void* closure) -{ - return _profile_read_mlu(self, cmsSigCopyrightTag); -} - -static PyObject* -cms_profile_getattr_target(CmsProfileObject* self, void* closure) -{ - return _profile_read_mlu(self, cmsSigCharTargetTag); -} - -static PyObject* -cms_profile_getattr_manufacturer(CmsProfileObject* self, void* closure) -{ - return _profile_read_mlu(self, cmsSigDeviceMfgDescTag); -} - -static PyObject* -cms_profile_getattr_model(CmsProfileObject* self, void* closure) -{ - return _profile_read_mlu(self, cmsSigDeviceModelDescTag); -} - -static PyObject* -cms_profile_getattr_profile_description(CmsProfileObject* self, void* closure) -{ - return _profile_read_mlu(self, cmsSigProfileDescriptionTag); -} - -static PyObject* -cms_profile_getattr_screening_description(CmsProfileObject* self, void* closure) -{ - return _profile_read_mlu(self, cmsSigScreeningDescTag); -} - -static PyObject* -cms_profile_getattr_viewing_condition(CmsProfileObject* self, void* closure) -{ - return _profile_read_mlu(self, cmsSigViewingCondDescTag); -} - -static PyObject* -cms_profile_getattr_creation_date(CmsProfileObject* self, void* closure) -{ - cmsBool result; - struct tm ct; - - result = cmsGetHeaderCreationDateTime(self->profile, &ct); - if (! result) { - Py_INCREF(Py_None); - return Py_None; - } - - return PyDateTime_FromDateAndTime(1900 + ct.tm_year, ct.tm_mon, ct.tm_mday, - ct.tm_hour, ct.tm_min, ct.tm_sec, 0); -} - -static PyObject* -cms_profile_getattr_version(CmsProfileObject* self, void* closure) -{ - cmsFloat64Number version = cmsGetProfileVersion(self->profile); - return PyFloat_FromDouble(version); -} - -static PyObject* -cms_profile_getattr_icc_version(CmsProfileObject* self, void* closure) -{ - return PyInt_FromLong((long) cmsGetEncodedICCversion(self->profile)); -} - -static PyObject* -cms_profile_getattr_attributes(CmsProfileObject* self, void* closure) -{ - cmsUInt64Number attr; - cmsGetHeaderAttributes(self->profile, &attr); - /* This works just as well on Windows (LLP64), 32-bit Linux - (ILP32) and 64-bit Linux (LP64) systems. */ - return PyLong_FromUnsignedLongLong((unsigned long long) attr); -} - -static PyObject* -cms_profile_getattr_header_flags(CmsProfileObject* self, void* closure) -{ - cmsUInt32Number flags = cmsGetHeaderFlags(self->profile); - return PyInt_FromLong(flags); -} - -static PyObject* -cms_profile_getattr_header_manufacturer(CmsProfileObject* self, void* closure) -{ - return _profile_read_int_as_string(cmsGetHeaderManufacturer(self->profile)); -} - -static PyObject* -cms_profile_getattr_header_model(CmsProfileObject* self, void* closure) -{ - return _profile_read_int_as_string(cmsGetHeaderModel(self->profile)); -} - -static PyObject* -cms_profile_getattr_device_class(CmsProfileObject* self, void* closure) -{ - return _profile_read_int_as_string(cmsGetDeviceClass(self->profile)); -} - -/* Duplicate of pcs, but uninterpreted. */ -static PyObject* -cms_profile_getattr_connection_space(CmsProfileObject* self, void* closure) -{ - return _profile_read_int_as_string(cmsGetPCS(self->profile)); -} - -/* Duplicate of color_space, but uninterpreted. */ -static PyObject* -cms_profile_getattr_xcolor_space(CmsProfileObject* self, void* closure) -{ - return _profile_read_int_as_string(cmsGetColorSpace(self->profile)); -} - -static PyObject* -cms_profile_getattr_profile_id(CmsProfileObject* self, void* closure) -{ - cmsUInt8Number id[16]; - cmsGetHeaderProfileID(self->profile, id); - return PyBytes_FromStringAndSize((char *) id, 16); -} - -static PyObject* -cms_profile_getattr_is_matrix_shaper(CmsProfileObject* self, void* closure) -{ - return PyBool_FromLong((long) cmsIsMatrixShaper(self->profile)); -} - -static PyObject* -cms_profile_getattr_technology(CmsProfileObject* self, void* closure) -{ - return _profile_read_signature(self, cmsSigTechnologyTag); -} - -static PyObject* -cms_profile_getattr_colorimetric_intent(CmsProfileObject* self, void* closure) -{ - return _profile_read_signature(self, cmsSigColorimetricIntentImageStateTag); -} - -static PyObject* -cms_profile_getattr_perceptual_rendering_intent_gamut(CmsProfileObject* self, void* closure) -{ - return _profile_read_signature(self, cmsSigPerceptualRenderingIntentGamutTag); -} - -static PyObject* -cms_profile_getattr_saturation_rendering_intent_gamut(CmsProfileObject* self, void* closure) -{ - return _profile_read_signature(self, cmsSigSaturationRenderingIntentGamutTag); -} - -static PyObject* -cms_profile_getattr_red_colorant(CmsProfileObject* self, void* closure) -{ - if (!cmsIsMatrixShaper(self->profile)) { - Py_INCREF(Py_None); - return Py_None; - } - return _profile_read_ciexyz(self, cmsSigRedColorantTag, 0); -} - - -static PyObject* -cms_profile_getattr_green_colorant(CmsProfileObject* self, void* closure) -{ - if (!cmsIsMatrixShaper(self->profile)) { - Py_INCREF(Py_None); - return Py_None; - } - return _profile_read_ciexyz(self, cmsSigGreenColorantTag, 0); -} - - -static PyObject* -cms_profile_getattr_blue_colorant(CmsProfileObject* self, void* closure) -{ - if (!cmsIsMatrixShaper(self->profile)) { - Py_INCREF(Py_None); - return Py_None; - } - return _profile_read_ciexyz(self, cmsSigBlueColorantTag, 0); -} - -static PyObject* -cms_profile_getattr_media_white_point_temperature(CmsProfileObject *self, void* closure) -{ - cmsCIEXYZ* XYZ; - cmsCIExyY xyY; - cmsFloat64Number tempK; - cmsTagSignature info = cmsSigMediaWhitePointTag; - cmsBool result; - - if (!cmsIsTag(self->profile, info)) { - Py_INCREF(Py_None); - return Py_None; - } - - XYZ = (cmsCIEXYZ*) cmsReadTag(self->profile, info); - if (!XYZ) { - Py_INCREF(Py_None); - return Py_None; - } - if (XYZ == NULL || XYZ->X == 0) { - Py_INCREF(Py_None); - return Py_None; - } - - cmsXYZ2xyY(&xyY, XYZ); - result = cmsTempFromWhitePoint(&tempK, &xyY); - if (!result) { - Py_INCREF(Py_None); - return Py_None; - } - return PyFloat_FromDouble(tempK); -} - -static PyObject* -cms_profile_getattr_media_white_point(CmsProfileObject* self, void* closure) -{ - return _profile_read_ciexyz(self, cmsSigMediaWhitePointTag, 0); -} - - -static PyObject* -cms_profile_getattr_media_black_point(CmsProfileObject* self, void* closure) -{ - return _profile_read_ciexyz(self, cmsSigMediaBlackPointTag, 0); -} - -static PyObject* -cms_profile_getattr_luminance(CmsProfileObject* self, void* closure) -{ - return _profile_read_ciexyz(self, cmsSigLuminanceTag, 0); -} - -static PyObject* -cms_profile_getattr_chromatic_adaptation(CmsProfileObject* self, void* closure) -{ - return _profile_read_ciexyz(self, cmsSigChromaticAdaptationTag, 1); -} - -static PyObject* -cms_profile_getattr_chromaticity(CmsProfileObject* self, void* closure) -{ - return _profile_read_ciexyy_triple(self, cmsSigChromaticityTag); -} - -static PyObject* -cms_profile_getattr_red_primary(CmsProfileObject* self, void* closure) -{ - cmsBool result = 0; - cmsCIEXYZTRIPLE primaries; - - if (cmsIsMatrixShaper(self->profile)) - result = _calculate_rgb_primaries(self, &primaries); - if (! result) { - Py_INCREF(Py_None); - return Py_None; - } - - return _xyz_py(&primaries.Red); -} - -static PyObject* -cms_profile_getattr_green_primary(CmsProfileObject* self, void* closure) -{ - cmsBool result = 0; - cmsCIEXYZTRIPLE primaries; - - if (cmsIsMatrixShaper(self->profile)) - result = _calculate_rgb_primaries(self, &primaries); - if (! result) { - Py_INCREF(Py_None); - return Py_None; - } - - return _xyz_py(&primaries.Green); -} - -static PyObject* -cms_profile_getattr_blue_primary(CmsProfileObject* self, void* closure) -{ - cmsBool result = 0; - cmsCIEXYZTRIPLE primaries; - - if (cmsIsMatrixShaper(self->profile)) - result = _calculate_rgb_primaries(self, &primaries); - if (! result) { - Py_INCREF(Py_None); - return Py_None; - } - - return _xyz_py(&primaries.Blue); -} - -static PyObject* -cms_profile_getattr_colorant_table(CmsProfileObject* self, void* closure) -{ - return _profile_read_named_color_list(self, cmsSigColorantTableTag); -} - -static PyObject* -cms_profile_getattr_colorant_table_out(CmsProfileObject* self, void* closure) -{ - return _profile_read_named_color_list(self, cmsSigColorantTableOutTag); -} - -static PyObject* -cms_profile_getattr_is_intent_supported (CmsProfileObject* self, void* closure) -{ - return _is_intent_supported(self, 0); -} - -static PyObject* -cms_profile_getattr_is_clut (CmsProfileObject* self, void* closure) -{ - return _is_intent_supported(self, 1); -} - -static const char* -_illu_map(int i) -{ - switch(i) { - case 0: - return "unknown"; - case 1: - return "D50"; - case 2: - return "D65"; - case 3: - return "D93"; - case 4: - return "F2"; - case 5: - return "D55"; - case 6: - return "A"; - case 7: - return "E"; - case 8: - return "F8"; - default: - return NULL; - } -} - -static PyObject* -cms_profile_getattr_icc_measurement_condition (CmsProfileObject* self, void* closure) -{ - cmsICCMeasurementConditions* mc; - cmsTagSignature info = cmsSigMeasurementTag; - const char *geo; - - if (!cmsIsTag(self->profile, info)) { - Py_INCREF(Py_None); - return Py_None; - } - - mc = (cmsICCMeasurementConditions*) cmsReadTag(self->profile, info); - if (!mc) { - Py_INCREF(Py_None); - return Py_None; - } - - if (mc->Geometry == 1) - geo = "45/0, 0/45"; - else if (mc->Geometry == 2) - geo = "0d, d/0"; - else - geo = "unknown"; - - return Py_BuildValue("{s:i,s:(ddd),s:s,s:d,s:s}", - "observer", mc->Observer, - "backing", mc->Backing.X, mc->Backing.Y, mc->Backing.Z, - "geo", geo, - "flare", mc->Flare, - "illuminant_type", _illu_map(mc->IlluminantType)); -} - -static PyObject* -cms_profile_getattr_icc_viewing_condition (CmsProfileObject* self, void* closure) -{ - cmsICCViewingConditions* vc; - cmsTagSignature info = cmsSigViewingConditionsTag; - - if (!cmsIsTag(self->profile, info)) { - Py_INCREF(Py_None); - return Py_None; - } - - vc = (cmsICCViewingConditions*) cmsReadTag(self->profile, info); - if (!vc) { - Py_INCREF(Py_None); - return Py_None; - } - - return Py_BuildValue("{s:(ddd),s:(ddd),s:s}", - "illuminant", vc->IlluminantXYZ.X, vc->IlluminantXYZ.Y, vc->IlluminantXYZ.Z, - "surround", vc->SurroundXYZ.X, vc->SurroundXYZ.Y, vc->SurroundXYZ.Z, - "illuminant_type", _illu_map(vc->IlluminantType)); -} - - -static struct PyGetSetDef cms_profile_getsetters[] = { - /* Compatibility interfaces. */ - { "product_desc", (getter) cms_profile_getattr_product_desc }, - { "product_description", (getter) cms_profile_getattr_product_description }, - { "product_manufacturer", (getter) cms_profile_getattr_product_manufacturer }, - { "product_model", (getter) cms_profile_getattr_product_model }, - { "product_copyright", (getter) cms_profile_getattr_product_copyright }, - { "pcs", (getter) cms_profile_getattr_pcs }, - { "color_space", (getter) cms_profile_getattr_color_space }, - - /* New style interfaces. */ - { "rendering_intent", (getter) cms_profile_getattr_rendering_intent }, - { "creation_date", (getter) cms_profile_getattr_creation_date }, - { "copyright", (getter) cms_profile_getattr_copyright }, - { "target", (getter) cms_profile_getattr_target }, - { "manufacturer", (getter) cms_profile_getattr_manufacturer }, - { "model", (getter) cms_profile_getattr_model }, - { "profile_description", (getter) cms_profile_getattr_profile_description }, - { "screening_description", (getter) cms_profile_getattr_screening_description }, - { "viewing_condition", (getter) cms_profile_getattr_viewing_condition }, - { "version", (getter) cms_profile_getattr_version }, - { "icc_version", (getter) cms_profile_getattr_icc_version }, - { "attributes", (getter) cms_profile_getattr_attributes }, - { "header_flags", (getter) cms_profile_getattr_header_flags }, - { "header_manufacturer", (getter) cms_profile_getattr_header_manufacturer }, - { "header_model", (getter) cms_profile_getattr_header_model }, - { "device_class", (getter) cms_profile_getattr_device_class }, - { "connection_space", (getter) cms_profile_getattr_connection_space }, - /* Similar to color_space, but with full 4-letter signature (including trailing whitespace). */ - { "xcolor_space", (getter) cms_profile_getattr_xcolor_space }, - { "profile_id", (getter) cms_profile_getattr_profile_id }, - { "is_matrix_shaper", (getter) cms_profile_getattr_is_matrix_shaper }, - { "technology", (getter) cms_profile_getattr_technology }, - { "colorimetric_intent", (getter) cms_profile_getattr_colorimetric_intent }, - { "perceptual_rendering_intent_gamut", (getter) cms_profile_getattr_perceptual_rendering_intent_gamut }, - { "saturation_rendering_intent_gamut", (getter) cms_profile_getattr_saturation_rendering_intent_gamut }, - { "red_colorant", (getter) cms_profile_getattr_red_colorant }, - { "green_colorant", (getter) cms_profile_getattr_green_colorant }, - { "blue_colorant", (getter) cms_profile_getattr_blue_colorant }, - { "red_primary", (getter) cms_profile_getattr_red_primary }, - { "green_primary", (getter) cms_profile_getattr_green_primary }, - { "blue_primary", (getter) cms_profile_getattr_blue_primary }, - { "media_white_point_temperature", (getter) cms_profile_getattr_media_white_point_temperature }, - { "media_white_point", (getter) cms_profile_getattr_media_white_point }, - { "media_black_point", (getter) cms_profile_getattr_media_black_point }, - { "luminance", (getter) cms_profile_getattr_luminance }, - { "chromatic_adaptation", (getter) cms_profile_getattr_chromatic_adaptation }, - { "chromaticity", (getter) cms_profile_getattr_chromaticity }, - { "colorant_table", (getter) cms_profile_getattr_colorant_table }, - { "colorant_table_out", (getter) cms_profile_getattr_colorant_table_out }, - { "intent_supported", (getter) cms_profile_getattr_is_intent_supported }, - { "clut", (getter) cms_profile_getattr_is_clut }, - { "icc_measurement_condition", (getter) cms_profile_getattr_icc_measurement_condition }, - { "icc_viewing_condition", (getter) cms_profile_getattr_icc_viewing_condition }, - - { NULL } -}; - - -static PyTypeObject CmsProfile_Type = { - PyVarObject_HEAD_INIT(NULL, 0) - "PIL._imagingcms.CmsProfile", /*tp_name */ - sizeof(CmsProfileObject), 0,/*tp_basicsize, tp_itemsize */ - /* methods */ - (destructor) cms_profile_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number */ - 0, /*tp_as_sequence */ - 0, /*tp_as_mapping */ - 0, /*tp_hash*/ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - 0, /*tp_doc*/ - 0, /*tp_traverse*/ - 0, /*tp_clear*/ - 0, /*tp_richcompare*/ - 0, /*tp_weaklistoffset*/ - 0, /*tp_iter*/ - 0, /*tp_iternext*/ - cms_profile_methods, /*tp_methods*/ - 0, /*tp_members*/ - cms_profile_getsetters, /*tp_getset*/ -}; - -static struct PyMethodDef cms_transform_methods[] = { - {"apply", (PyCFunction) cms_transform_apply, 1}, - {NULL, NULL} /* sentinel */ -}; - -static PyObject* -cms_transform_getattr_inputMode(CmsTransformObject* self, void* closure) -{ - return PyUnicode_FromString(self->mode_in); -} - -static PyObject* -cms_transform_getattr_outputMode(CmsTransformObject* self, void* closure) -{ - return PyUnicode_FromString(self->mode_out); -} - -static struct PyGetSetDef cms_transform_getsetters[] = { - { "inputMode", (getter) cms_transform_getattr_inputMode }, - { "outputMode", (getter) cms_transform_getattr_outputMode }, - { NULL } -}; - -static PyTypeObject CmsTransform_Type = { - PyVarObject_HEAD_INIT(NULL, 0) - "CmsTransform", sizeof(CmsTransformObject), 0, - /* methods */ - (destructor) cms_transform_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number */ - 0, /*tp_as_sequence */ - 0, /*tp_as_mapping */ - 0, /*tp_hash*/ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - 0, /*tp_doc*/ - 0, /*tp_traverse*/ - 0, /*tp_clear*/ - 0, /*tp_richcompare*/ - 0, /*tp_weaklistoffset*/ - 0, /*tp_iter*/ - 0, /*tp_iternext*/ - cms_transform_methods, /*tp_methods*/ - 0, /*tp_members*/ - cms_transform_getsetters, /*tp_getset*/ -}; - -static int -setup_module(PyObject* m) { - PyObject *d; - PyObject *v; - - d = PyModule_GetDict(m); - - CmsProfile_Type.tp_new = PyType_GenericNew; - - /* Ready object types */ - PyType_Ready(&CmsProfile_Type); - PyType_Ready(&CmsTransform_Type); - - Py_INCREF(&CmsProfile_Type); - PyModule_AddObject(m, "CmsProfile", (PyObject *)&CmsProfile_Type); - - d = PyModule_GetDict(m); - - v = PyUnicode_FromFormat("%d.%d", LCMS_VERSION / 100, LCMS_VERSION % 100); - PyDict_SetItemString(d, "littlecms_version", v); - - return 0; -} - -#if PY_VERSION_HEX >= 0x03000000 -PyMODINIT_FUNC -PyInit__imagingcms(void) { - PyObject* m; - - static PyModuleDef module_def = { - PyModuleDef_HEAD_INIT, - "_imagingcms", /* m_name */ - NULL, /* m_doc */ - -1, /* m_size */ - pyCMSdll_methods, /* m_methods */ - }; - - m = PyModule_Create(&module_def); - - if (setup_module(m) < 0) - return NULL; - - PyDateTime_IMPORT; - - return m; -} -#else -PyMODINIT_FUNC -init_imagingcms(void) -{ - PyObject *m = Py_InitModule("_imagingcms", pyCMSdll_methods); - setup_module(m); - PyDateTime_IMPORT; -} -#endif diff --git a/_imagingft.c b/_imagingft.c deleted file mode 100644 index ae62fc74e28..00000000000 --- a/_imagingft.c +++ /dev/null @@ -1,627 +0,0 @@ -/* - * PIL FreeType Driver - * - * a FreeType 2.X driver for PIL - * - * history: - * 2001-02-17 fl Created (based on old experimental freetype 1.0 code) - * 2001-04-18 fl Fixed some egcs compiler nits - * 2002-11-08 fl Added unicode support; more font metrics, etc - * 2003-05-20 fl Fixed compilation under 1.5.2 and newer non-unicode builds - * 2003-09-27 fl Added charmap encoding support - * 2004-05-15 fl Fixed compilation for FreeType 2.1.8 - * 2004-09-10 fl Added support for monochrome bitmaps - * 2006-06-18 fl Fixed glyph bearing calculation - * 2007-12-23 fl Fixed crash in family/style attribute fetch - * 2008-01-02 fl Handle Unicode filenames properly - * - * Copyright (c) 1998-2007 by Secret Labs AB - */ - -#include "Python.h" -#include "Imaging.h" - -#include -#include FT_FREETYPE_H -#include FT_GLYPH_H - -#define KEEP_PY_UNICODE -#include "py3.h" - -#if !defined(FT_LOAD_TARGET_MONO) -#define FT_LOAD_TARGET_MONO FT_LOAD_MONOCHROME -#endif - -/* -------------------------------------------------------------------- */ -/* error table */ - -#undef FTERRORS_H -#undef __FTERRORS_H__ - -#define FT_ERRORDEF( e, v, s ) { e, s }, -#define FT_ERROR_START_LIST { -#define FT_ERROR_END_LIST { 0, 0 } }; - -struct { - int code; - const char* message; -} ft_errors[] = - -#include FT_ERRORS_H - -/* -------------------------------------------------------------------- */ -/* font objects */ - -static FT_Library library; - -typedef struct { - PyObject_HEAD - FT_Face face; - unsigned char *font_bytes; -} FontObject; - -static PyTypeObject Font_Type; - -/* round a 26.6 pixel coordinate to the nearest larger integer */ -#define PIXEL(x) ((((x)+63) & -64)>>6) - -static PyObject* -geterror(int code) -{ - int i; - - for (i = 0; ft_errors[i].message; i++) - if (ft_errors[i].code == code) { - PyErr_SetString(PyExc_IOError, ft_errors[i].message); - return NULL; - } - - PyErr_SetString(PyExc_IOError, "unknown freetype error"); - return NULL; -} - -static PyObject* -getfont(PyObject* self_, PyObject* args, PyObject* kw) -{ - /* create a font object from a file name and a size (in pixels) */ - - FontObject* self; - int error = 0; - - char* filename = NULL; - int size; - int index = 0; - unsigned char* encoding; - unsigned char* font_bytes; - int font_bytes_size = 0; - static char* kwlist[] = { - "filename", "size", "index", "encoding", "font_bytes", NULL - }; - - if (!library) { - PyErr_SetString( - PyExc_IOError, - "failed to initialize FreeType library" - ); - return NULL; - } - - if (!PyArg_ParseTupleAndKeywords(args, kw, "eti|iss#", kwlist, - Py_FileSystemDefaultEncoding, &filename, - &size, &index, &encoding, &font_bytes, - &font_bytes_size)) { - return NULL; - } - - self = PyObject_New(FontObject, &Font_Type); - if (!self) { - if (filename) - PyMem_Free(filename); - return NULL; - } - - self->face = NULL; - - if (filename && font_bytes_size <= 0) { - self->font_bytes = NULL; - error = FT_New_Face(library, filename, index, &self->face); - } else { - /* need to have allocated storage for font_bytes for the life of the object.*/ - /* Don't free this before FT_Done_Face */ - self->font_bytes = PyMem_Malloc(font_bytes_size); - if (!self->font_bytes) { - error = 65; // Out of Memory in Freetype. - } - if (!error) { - memcpy(self->font_bytes, font_bytes, (size_t)font_bytes_size); - error = FT_New_Memory_Face(library, (FT_Byte*)self->font_bytes, - font_bytes_size, index, &self->face); - } - } - - if (!error) - error = FT_Set_Pixel_Sizes(self->face, 0, size); - - if (!error && encoding && strlen((char*) encoding) == 4) { - FT_Encoding encoding_tag = FT_MAKE_TAG( - encoding[0], encoding[1], encoding[2], encoding[3] - ); - error = FT_Select_Charmap(self->face, encoding_tag); - } - if (filename) - PyMem_Free(filename); - - if (error) { - if (self->font_bytes) { - PyMem_Free(self->font_bytes); - } - Py_DECREF(self); - return geterror(error); - } - - return (PyObject*) self; -} - -static int -font_getchar(PyObject* string, int index, FT_ULong* char_out) -{ - if (PyUnicode_Check(string)) { - Py_UNICODE* p = PyUnicode_AS_UNICODE(string); - int size = PyUnicode_GET_SIZE(string); - if (index >= size) - return 0; - *char_out = p[index]; - return 1; - } - -#if PY_VERSION_HEX < 0x03000000 - if (PyString_Check(string)) { - unsigned char* p = (unsigned char*) PyString_AS_STRING(string); - int size = PyString_GET_SIZE(string); - if (index >= size) - return 0; - *char_out = (unsigned char) p[index]; - return 1; - } -#endif - - return 0; -} - -static PyObject* -font_getsize(FontObject* self, PyObject* args) -{ - int i, x, y_max, y_min; - FT_ULong ch; - FT_Face face; - int xoffset, yoffset; - FT_Bool kerning = FT_HAS_KERNING(self->face); - FT_UInt last_index = 0; - - /* calculate size and bearing for a given string */ - - PyObject* string; - if (!PyArg_ParseTuple(args, "O:getsize", &string)) - return NULL; - -#if PY_VERSION_HEX >= 0x03000000 - if (!PyUnicode_Check(string)) { -#else - if (!PyUnicode_Check(string) && !PyString_Check(string)) { -#endif - PyErr_SetString(PyExc_TypeError, "expected string"); - return NULL; - } - - face = NULL; - xoffset = yoffset = 0; - y_max = y_min = 0; - - for (x = i = 0; font_getchar(string, i, &ch); i++) { - int index, error; - FT_BBox bbox; - FT_Glyph glyph; - face = self->face; - index = FT_Get_Char_Index(face, ch); - if (kerning && last_index && index) { - FT_Vector delta; - FT_Get_Kerning(self->face, last_index, index, ft_kerning_default, - &delta); - x += delta.x; - } - - /* Note: bitmap fonts within ttf fonts do not work, see #891/pr#960 - * Yifu Yu, 2014-10-15 - */ - error = FT_Load_Glyph(face, index, FT_LOAD_DEFAULT|FT_LOAD_NO_BITMAP); - if (error) - return geterror(error); - if (i == 0) - xoffset = face->glyph->metrics.horiBearingX; - x += face->glyph->metrics.horiAdvance; - - FT_Get_Glyph(face->glyph, &glyph); - FT_Glyph_Get_CBox(glyph, FT_GLYPH_BBOX_SUBPIXELS, &bbox); - if (bbox.yMax > y_max) - y_max = bbox.yMax; - if (bbox.yMin < y_min) - y_min = bbox.yMin; - - /* find max distance of baseline from top */ - if (face->glyph->metrics.horiBearingY > yoffset) - yoffset = face->glyph->metrics.horiBearingY; - - last_index = index; - FT_Done_Glyph(glyph); - } - - if (face) { - int offset; - /* left bearing */ - if (xoffset < 0) - x -= xoffset; - else - xoffset = 0; - /* right bearing */ - offset = face->glyph->metrics.horiAdvance - - face->glyph->metrics.width - - face->glyph->metrics.horiBearingX; - if (offset < 0) - x -= offset; - /* difference between the font ascender and the distance of - * the baseline from the top */ - yoffset = PIXEL(self->face->size->metrics.ascender - yoffset); - } - - return Py_BuildValue( - "(ii)(ii)", - PIXEL(x), PIXEL(y_max - y_min), - PIXEL(xoffset), yoffset - ); -} - -static PyObject* -font_getabc(FontObject* self, PyObject* args) -{ - FT_ULong ch; - FT_Face face; - double a, b, c; - - /* calculate ABC values for a given string */ - - PyObject* string; - if (!PyArg_ParseTuple(args, "O:getabc", &string)) - return NULL; - -#if PY_VERSION_HEX >= 0x03000000 - if (!PyUnicode_Check(string)) { -#else - if (!PyUnicode_Check(string) && !PyString_Check(string)) { -#endif - PyErr_SetString(PyExc_TypeError, "expected string"); - return NULL; - } - - if (font_getchar(string, 0, &ch)) { - int index, error; - face = self->face; - index = FT_Get_Char_Index(face, ch); - /* Note: bitmap fonts within ttf fonts do not work, see #891/pr#960 */ - error = FT_Load_Glyph(face, index, FT_LOAD_DEFAULT|FT_LOAD_NO_BITMAP); - if (error) - return geterror(error); - a = face->glyph->metrics.horiBearingX / 64.0; - b = face->glyph->metrics.width / 64.0; - c = (face->glyph->metrics.horiAdvance - - face->glyph->metrics.horiBearingX - - face->glyph->metrics.width) / 64.0; - } else - a = b = c = 0.0; - - return Py_BuildValue("ddd", a, b, c); -} - -static PyObject* -font_render(FontObject* self, PyObject* args) -{ - int i, x, y; - Imaging im; - int index, error, ascender; - int load_flags; - unsigned char *source; - FT_ULong ch; - FT_GlyphSlot glyph; - FT_Bool kerning = FT_HAS_KERNING(self->face); - FT_UInt last_index = 0; - - /* render string into given buffer (the buffer *must* have - the right size, or this will crash) */ - PyObject* string; - Py_ssize_t id; - int mask = 0; - int temp; - int xx, x0, x1; - if (!PyArg_ParseTuple(args, "On|i:render", &string, &id, &mask)) - return NULL; - -#if PY_VERSION_HEX >= 0x03000000 - if (!PyUnicode_Check(string)) { -#else - if (!PyUnicode_Check(string) && !PyString_Check(string)) { -#endif - PyErr_SetString(PyExc_TypeError, "expected string"); - return NULL; - } - - im = (Imaging) id; - /* Note: bitmap fonts within ttf fonts do not work, see #891/pr#960 */ - load_flags = FT_LOAD_RENDER|FT_LOAD_NO_BITMAP; - if (mask) - load_flags |= FT_LOAD_TARGET_MONO; - - ascender = 0; - for (i = 0; font_getchar(string, i, &ch); i++) { - index = FT_Get_Char_Index(self->face, ch); - error = FT_Load_Glyph(self->face, index, load_flags); - if (error) - return geterror(error); - glyph = self->face->glyph; - temp = (glyph->bitmap.rows - glyph->bitmap_top); - if (temp > ascender) - ascender = temp; - } - - for (x = i = 0; font_getchar(string, i, &ch); i++) { - if (i == 0 && self->face->glyph->metrics.horiBearingX < 0) - x = -PIXEL(self->face->glyph->metrics.horiBearingX); - index = FT_Get_Char_Index(self->face, ch); - if (kerning && last_index && index) { - FT_Vector delta; - FT_Get_Kerning(self->face, last_index, index, ft_kerning_default, - &delta); - x += delta.x >> 6; - } - - error = FT_Load_Glyph(self->face, index, load_flags); - if (error) - return geterror(error); - - glyph = self->face->glyph; - - source = (unsigned char*) glyph->bitmap.buffer; - xx = x + glyph->bitmap_left; - x0 = 0; - x1 = glyph->bitmap.width; - if (xx < 0) - x0 = -xx; - if (xx + x1 > im->xsize) - x1 = im->xsize - xx; - - if (mask) { - /* use monochrome mask (on palette images, etc) */ - for (y = 0; y < glyph->bitmap.rows; y++) { - int yy = y + im->ysize - (PIXEL(glyph->metrics.horiBearingY) + ascender); - if (yy >= 0 && yy < im->ysize) { - /* blend this glyph into the buffer */ - unsigned char *target = im->image8[yy] + xx; - int i, j, m = 128; - for (i = j = 0; j < x1; j++) { - if (j >= x0 && (source[i] & m)) - target[j] = 255; - if (!(m >>= 1)) { - m = 128; - i++; - } - } - } - source += glyph->bitmap.pitch; - } - } else { - /* use antialiased rendering */ - for (y = 0; y < glyph->bitmap.rows; y++) { - int yy = y + im->ysize - (PIXEL(glyph->metrics.horiBearingY) + ascender); - if (yy >= 0 && yy < im->ysize) { - /* blend this glyph into the buffer */ - int i; - unsigned char *target = im->image8[yy] + xx; - for (i = x0; i < x1; i++) { - if (target[i] < source[i]) - target[i] = source[i]; - } - } - source += glyph->bitmap.pitch; - } - } - x += PIXEL(glyph->metrics.horiAdvance); - last_index = index; - } - - Py_RETURN_NONE; -} - -static void -font_dealloc(FontObject* self) -{ - if (self->face) { - FT_Done_Face(self->face); - } - if (self->font_bytes) { - PyMem_Free(self->font_bytes); - } - PyObject_Del(self); -} - -static PyMethodDef font_methods[] = { - {"render", (PyCFunction) font_render, METH_VARARGS}, - {"getsize", (PyCFunction) font_getsize, METH_VARARGS}, - {"getabc", (PyCFunction) font_getabc, METH_VARARGS}, - {NULL, NULL} -}; - -static PyObject* -font_getattr_family(FontObject* self, void* closure) -{ -#if PY_VERSION_HEX >= 0x03000000 - if (self->face->family_name) - return PyUnicode_FromString(self->face->family_name); -#else - if (self->face->family_name) - return PyString_FromString(self->face->family_name); -#endif - Py_RETURN_NONE; -} - -static PyObject* -font_getattr_style(FontObject* self, void* closure) -{ -#if PY_VERSION_HEX >= 0x03000000 - if (self->face->style_name) - return PyUnicode_FromString(self->face->style_name); -#else - if (self->face->style_name) - return PyString_FromString(self->face->style_name); -#endif - Py_RETURN_NONE; -} - -static PyObject* -font_getattr_ascent(FontObject* self, void* closure) -{ - return PyInt_FromLong(PIXEL(self->face->size->metrics.ascender)); -} - -static PyObject* -font_getattr_descent(FontObject* self, void* closure) -{ - return PyInt_FromLong(-PIXEL(self->face->size->metrics.descender)); -} - -static PyObject* -font_getattr_height(FontObject* self, void* closure) -{ - return PyInt_FromLong(PIXEL(self->face->size->metrics.height)); -} - -static PyObject* -font_getattr_x_ppem(FontObject* self, void* closure) -{ - return PyInt_FromLong(self->face->size->metrics.x_ppem); -} - -static PyObject* -font_getattr_y_ppem(FontObject* self, void* closure) -{ - return PyInt_FromLong(self->face->size->metrics.y_ppem); -} - - -static PyObject* -font_getattr_glyphs(FontObject* self, void* closure) -{ - return PyInt_FromLong(self->face->num_glyphs); -} - -static struct PyGetSetDef font_getsetters[] = { - { "family", (getter) font_getattr_family }, - { "style", (getter) font_getattr_style }, - { "ascent", (getter) font_getattr_ascent }, - { "descent", (getter) font_getattr_descent }, - { "height", (getter) font_getattr_height }, - { "x_ppem", (getter) font_getattr_x_ppem }, - { "y_ppem", (getter) font_getattr_y_ppem }, - { "glyphs", (getter) font_getattr_glyphs }, - { NULL } -}; - -static PyTypeObject Font_Type = { - PyVarObject_HEAD_INIT(NULL, 0) - "Font", sizeof(FontObject), 0, - /* methods */ - (destructor)font_dealloc, /* tp_dealloc */ - 0, /* tp_print */ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number */ - 0, /*tp_as_sequence */ - 0, /*tp_as_mapping */ - 0, /*tp_hash*/ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - 0, /*tp_doc*/ - 0, /*tp_traverse*/ - 0, /*tp_clear*/ - 0, /*tp_richcompare*/ - 0, /*tp_weaklistoffset*/ - 0, /*tp_iter*/ - 0, /*tp_iternext*/ - font_methods, /*tp_methods*/ - 0, /*tp_members*/ - font_getsetters, /*tp_getset*/ -}; - -static PyMethodDef _functions[] = { - {"getfont", (PyCFunction) getfont, METH_VARARGS|METH_KEYWORDS}, - {NULL, NULL} -}; - -static int -setup_module(PyObject* m) { - PyObject* d; - PyObject* v; - int major, minor, patch; - - d = PyModule_GetDict(m); - - /* Ready object type */ - PyType_Ready(&Font_Type); - - if (FT_Init_FreeType(&library)) - return 0; /* leave it uninitialized */ - - FT_Library_Version(library, &major, &minor, &patch); - -#if PY_VERSION_HEX >= 0x03000000 - v = PyUnicode_FromFormat("%d.%d.%d", major, minor, patch); -#else - v = PyString_FromFormat("%d.%d.%d", major, minor, patch); -#endif - PyDict_SetItemString(d, "freetype2_version", v); - - return 0; -} - -#if PY_VERSION_HEX >= 0x03000000 -PyMODINIT_FUNC -PyInit__imagingft(void) { - PyObject* m; - - static PyModuleDef module_def = { - PyModuleDef_HEAD_INIT, - "_imagingft", /* m_name */ - NULL, /* m_doc */ - -1, /* m_size */ - _functions, /* m_methods */ - }; - - m = PyModule_Create(&module_def); - - if (setup_module(m) < 0) - return NULL; - - return m; -} -#else -PyMODINIT_FUNC -init_imagingft(void) -{ - PyObject* m = Py_InitModule("_imagingft", _functions); - setup_module(m); -} -#endif - diff --git a/_imagingmath.c b/_imagingmath.c deleted file mode 100644 index ea9f103c683..00000000000 --- a/_imagingmath.c +++ /dev/null @@ -1,304 +0,0 @@ -/* - * The Python Imaging Library - * - * a simple math add-on for the Python Imaging Library - * - * history: - * 1999-02-15 fl Created - * 2005-05-05 fl Simplified and cleaned up for PIL 1.1.6 - * - * Copyright (c) 1999-2005 by Secret Labs AB - * Copyright (c) 2005 by Fredrik Lundh - * - * See the README file for information on usage and redistribution. - */ - -#include "Python.h" - -#include "Imaging.h" -#include "py3.h" - -#include "math.h" -#include "float.h" - -#define MAX_INT32 2147483647.0 -#define MIN_INT32 -2147483648.0 - -#define UNOP(name, op, type)\ -void name(Imaging out, Imaging im1)\ -{\ - int x, y;\ - for (y = 0; y < out->ysize; y++) {\ - type* p0 = (type*) out->image[y];\ - type* p1 = (type*) im1->image[y];\ - for (x = 0; x < out->xsize; x++) {\ - *p0 = op(type, *p1);\ - p0++; p1++;\ - }\ - }\ -} - -#define BINOP(name, op, type)\ -void name(Imaging out, Imaging im1, Imaging im2)\ -{\ - int x, y;\ - for (y = 0; y < out->ysize; y++) {\ - type* p0 = (type*) out->image[y];\ - type* p1 = (type*) im1->image[y];\ - type* p2 = (type*) im2->image[y];\ - for (x = 0; x < out->xsize; x++) {\ - *p0 = op(type, *p1, *p2);\ - p0++; p1++; p2++;\ - }\ - }\ -} - -#define NEG(type, v1) -(v1) -#define INVERT(type, v1) ~(v1) - -#define ADD(type, v1, v2) (v1)+(v2) -#define SUB(type, v1, v2) (v1)-(v2) -#define MUL(type, v1, v2) (v1)*(v2) - -#define MIN(type, v1, v2) ((v1)<(v2))?(v1):(v2) -#define MAX(type, v1, v2) ((v1)>(v2))?(v1):(v2) - -#define AND(type, v1, v2) (v1)&(v2) -#define OR(type, v1, v2) (v1)|(v2) -#define XOR(type, v1, v2) (v1)^(v2) -#define LSHIFT(type, v1, v2) (v1)<<(v2) -#define RSHIFT(type, v1, v2) (v1)>>(v2) - -#define ABS_I(type, v1) abs((v1)) -#define ABS_F(type, v1) fabs((v1)) - -/* -------------------------------------------------------------------- - * some day, we should add FPE protection mechanisms. see pyfpe.h for - * details. - * - * PyFPE_START_PROTECT("Error in foobar", return 0) - * PyFPE_END_PROTECT(result) - */ - -#define DIV_I(type, v1, v2) ((v2)!=0)?(v1)/(v2):0 -#define DIV_F(type, v1, v2) ((v2)!=0.0F)?(v1)/(v2):0.0F - -#define MOD_I(type, v1, v2) ((v2)!=0)?(v1)%(v2):0 -#define MOD_F(type, v1, v2) ((v2)!=0.0F)?fmod((v1),(v2)):0.0F - -static int powi(int x, int y) -{ - double v = pow(x, y) + 0.5; - if (errno == EDOM) - return 0; - if (v < MIN_INT32) - v = MIN_INT32; - else if (v > MAX_INT32) - v = MAX_INT32; - return (int) v; -} - -#define POW_I(type, v1, v2) powi(v1, v2) -#define POW_F(type, v1, v2) powf(v1, v2) /* FIXME: EDOM handling */ - -#define DIFF_I(type, v1, v2) abs((v1)-(v2)) -#define DIFF_F(type, v1, v2) fabs((v1)-(v2)) - -#define EQ(type, v1, v2) (v1)==(v2) -#define NE(type, v1, v2) (v1)!=(v2) -#define LT(type, v1, v2) (v1)<(v2) -#define LE(type, v1, v2) (v1)<=(v2) -#define GT(type, v1, v2) (v1)>(v2) -#define GE(type, v1, v2) (v1)>=(v2) - -UNOP(abs_I, ABS_I, INT32) -UNOP(neg_I, NEG, INT32) - -BINOP(add_I, ADD, INT32) -BINOP(sub_I, SUB, INT32) -BINOP(mul_I, MUL, INT32) -BINOP(div_I, DIV_I, INT32) -BINOP(mod_I, MOD_I, INT32) -BINOP(pow_I, POW_I, INT32) -BINOP(diff_I, DIFF_I, INT32) - -UNOP(invert_I, INVERT, INT32) -BINOP(and_I, AND, INT32) -BINOP(or_I, OR, INT32) -BINOP(xor_I, XOR, INT32) -BINOP(lshift_I, LSHIFT, INT32) -BINOP(rshift_I, RSHIFT, INT32) - -BINOP(min_I, MIN, INT32) -BINOP(max_I, MAX, INT32) - -BINOP(eq_I, EQ, INT32) -BINOP(ne_I, NE, INT32) -BINOP(lt_I, LT, INT32) -BINOP(le_I, LE, INT32) -BINOP(gt_I, GT, INT32) -BINOP(ge_I, GE, INT32) - -UNOP(abs_F, ABS_F, FLOAT32) -UNOP(neg_F, NEG, FLOAT32) - -BINOP(add_F, ADD, FLOAT32) -BINOP(sub_F, SUB, FLOAT32) -BINOP(mul_F, MUL, FLOAT32) -BINOP(div_F, DIV_F, FLOAT32) -BINOP(mod_F, MOD_F, FLOAT32) -BINOP(pow_F, POW_F, FLOAT32) -BINOP(diff_F, DIFF_F, FLOAT32) - -BINOP(min_F, MIN, FLOAT32) -BINOP(max_F, MAX, FLOAT32) - -BINOP(eq_F, EQ, FLOAT32) -BINOP(ne_F, NE, FLOAT32) -BINOP(lt_F, LT, FLOAT32) -BINOP(le_F, LE, FLOAT32) -BINOP(gt_F, GT, FLOAT32) -BINOP(ge_F, GE, FLOAT32) - -static PyObject * -_unop(PyObject* self, PyObject* args) -{ - Imaging out; - Imaging im1; - void (*unop)(Imaging, Imaging); - - Py_ssize_t op, i0, i1; - if (!PyArg_ParseTuple(args, "nnn", &op, &i0, &i1)) - return NULL; - - out = (Imaging) i0; - im1 = (Imaging) i1; - - unop = (void*) op; - - unop(out, im1); - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject * -_binop(PyObject* self, PyObject* args) -{ - Imaging out; - Imaging im1; - Imaging im2; - void (*binop)(Imaging, Imaging, Imaging); - - Py_ssize_t op, i0, i1, i2; - if (!PyArg_ParseTuple(args, "nnnn", &op, &i0, &i1, &i2)) - return NULL; - - out = (Imaging) i0; - im1 = (Imaging) i1; - im2 = (Imaging) i2; - - binop = (void*) op; - - binop(out, im1, im2); - - Py_INCREF(Py_None); - return Py_None; -} - -static PyMethodDef _functions[] = { - {"unop", _unop, 1}, - {"binop", _binop, 1}, - {NULL, NULL} -}; - -static void -install(PyObject *d, char* name, void* value) -{ - PyObject *v = PyInt_FromSsize_t((Py_ssize_t) value); - if (!v || PyDict_SetItemString(d, name, v)) - PyErr_Clear(); - Py_XDECREF(v); -} - -static int -setup_module(PyObject* m) { - PyObject* d = PyModule_GetDict(m); - - install(d, "abs_I", abs_I); - install(d, "neg_I", neg_I); - install(d, "add_I", add_I); - install(d, "sub_I", sub_I); - install(d, "diff_I", diff_I); - install(d, "mul_I", mul_I); - install(d, "div_I", div_I); - install(d, "mod_I", mod_I); - install(d, "min_I", min_I); - install(d, "max_I", max_I); - install(d, "pow_I", pow_I); - - install(d, "invert_I", invert_I); - install(d, "and_I", and_I); - install(d, "or_I", or_I); - install(d, "xor_I", xor_I); - install(d, "lshift_I", lshift_I); - install(d, "rshift_I", rshift_I); - - install(d, "eq_I", eq_I); - install(d, "ne_I", ne_I); - install(d, "lt_I", lt_I); - install(d, "le_I", le_I); - install(d, "gt_I", gt_I); - install(d, "ge_I", ge_I); - - install(d, "abs_F", abs_F); - install(d, "neg_F", neg_F); - install(d, "add_F", add_F); - install(d, "sub_F", sub_F); - install(d, "diff_F", diff_F); - install(d, "mul_F", mul_F); - install(d, "div_F", div_F); - install(d, "mod_F", mod_F); - install(d, "min_F", min_F); - install(d, "max_F", max_F); - install(d, "pow_F", pow_F); - - install(d, "eq_F", eq_F); - install(d, "ne_F", ne_F); - install(d, "lt_F", lt_F); - install(d, "le_F", le_F); - install(d, "gt_F", gt_F); - install(d, "ge_F", ge_F); - - return 0; -} - -#if PY_VERSION_HEX >= 0x03000000 -PyMODINIT_FUNC -PyInit__imagingmath(void) { - PyObject* m; - - static PyModuleDef module_def = { - PyModuleDef_HEAD_INIT, - "_imagingmath", /* m_name */ - NULL, /* m_doc */ - -1, /* m_size */ - _functions, /* m_methods */ - }; - - m = PyModule_Create(&module_def); - - if (setup_module(m) < 0) - return NULL; - - return m; -} -#else -PyMODINIT_FUNC -init_imagingmath(void) -{ - PyObject* m = Py_InitModule("_imagingmath", _functions); - setup_module(m); -} -#endif - diff --git a/_imagingmorph.c b/_imagingmorph.c deleted file mode 100644 index 2b5e7bc5d4d..00000000000 --- a/_imagingmorph.c +++ /dev/null @@ -1,304 +0,0 @@ -/* - * The Python Imaging Library - * - * A binary morphology add-on for the Python Imaging Library - * - * History: - * 2014-06-04 Initial version. - * - * Copyright (c) 2014 Dov Grobgeld - * - * See the README file for information on usage and redistribution. - */ - -#include "Python.h" -#include "Imaging.h" -#include "py3.h" - -#define LUT_SIZE (1<<9) - -/* Apply a morphologic LUT to a binary image. Outputs a - a new binary image. - - Expected parameters: - - 1. a LUT - a 512 byte size lookup table. - 2. an input Imaging image id. - 3. an output Imaging image id - - Returns number of changed pixels. -*/ -static PyObject* -apply(PyObject *self, PyObject* args) -{ - const char *lut; - PyObject *py_lut; - Py_ssize_t lut_len, i0, i1; - Imaging imgin, imgout; - int width, height; - int row_idx, col_idx; - UINT8 **inrows, **outrows; - int num_changed_pixels = 0; - - if (!PyArg_ParseTuple(args, "Onn", &py_lut, &i0, &i1)) { - PyErr_SetString(PyExc_RuntimeError, "Argument parsing problem"); - return NULL; - } - - if (!PyBytes_Check(py_lut)) { - PyErr_SetString(PyExc_RuntimeError, "The morphology LUT is not a bytes object"); - return NULL; - } - - lut_len = PyBytes_Size(py_lut); - - if (lut_len < LUT_SIZE) { - PyErr_SetString(PyExc_RuntimeError, "The morphology LUT has the wrong size"); - return NULL; - } - - lut = PyBytes_AsString(py_lut); - - imgin = (Imaging) i0; - imgout = (Imaging) i1; - width = imgin->xsize; - height = imgin->ysize; - - if (imgin->type != IMAGING_TYPE_UINT8 && - imgin->bands != 1) { - PyErr_SetString(PyExc_RuntimeError, "Unsupported image type"); - return NULL; - } - if (imgout->type != IMAGING_TYPE_UINT8 && - imgout->bands != 1) { - PyErr_SetString(PyExc_RuntimeError, "Unsupported image type"); - return NULL; - } - - inrows = imgin->image8; - outrows = imgout->image8; - - for (row_idx=0; row_idx < height; row_idx++) { - UINT8 *outrow = outrows[row_idx]; - UINT8 *inrow = inrows[row_idx]; - UINT8 *prow, *nrow; /* Previous and next row */ - - /* zero boundary conditions. TBD support other modes */ - outrow[0] = outrow[width-1] = 0; - if (row_idx==0 || row_idx == height-1) { - for(col_idx=0; col_idxtype != IMAGING_TYPE_UINT8 && - imgin->bands != 1) { - PyErr_SetString(PyExc_RuntimeError, "Unsupported image type"); - return NULL; - } - - inrows = imgin->image8; - width = imgin->xsize; - height = imgin->ysize; - - for (row_idx=1; row_idx < height-1; row_idx++) { - UINT8 *inrow = inrows[row_idx]; - UINT8 *prow, *nrow; - - prow = inrows[row_idx-1]; - nrow = inrows[row_idx+1]; - - for (col_idx=1; col_idximage8; - width = img->xsize; - height = img->ysize; - - for (row_idx=0; row_idx < height; row_idx++) { - UINT8 *row = rows[row_idx]; - for (col_idx=0; col_idx= 0x03000000 -PyMODINIT_FUNC -PyInit__imagingmorph(void) { - PyObject* m; - - static PyModuleDef module_def = { - PyModuleDef_HEAD_INIT, - "_imagingmorph", /* m_name */ - "A module for doing image morphology", /* m_doc */ - -1, /* m_size */ - functions, /* m_methods */ - }; - - m = PyModule_Create(&module_def); - - if (setup_module(m) < 0) - return NULL; - - return m; -} -#else -PyMODINIT_FUNC -init_imagingmorph(void) -{ - PyObject* m = Py_InitModule("_imagingmorph", functions); - setup_module(m); -} -#endif - diff --git a/_imagingtk.c b/_imagingtk.c deleted file mode 100644 index 87de36a0438..00000000000 --- a/_imagingtk.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * The Python Imaging Library. - * - * tkinter hooks - * - * history: - * 99-07-26 fl created - * 99-08-15 fl moved to its own support module - * - * Copyright (c) Secret Labs AB 1999. - * - * See the README file for information on usage and redistribution. - */ - - -#include "Python.h" -#include "Imaging.h" - -#include "_tkmini.h" - -/* must link with Tk/tkImaging.c */ -extern void TkImaging_Init(Tcl_Interp* interp); -extern int load_tkinter_funcs(void); - -/* copied from _tkinter.c (this isn't as bad as it may seem: for new - versions, we use _tkinter's interpaddr hook instead, and all older - versions use this structure layout) */ - -typedef struct { - PyObject_HEAD - Tcl_Interp* interp; -} TkappObject; - -static PyObject* -_tkinit(PyObject* self, PyObject* args) -{ - Tcl_Interp* interp; - - Py_ssize_t arg; - int is_interp; - if (!PyArg_ParseTuple(args, "ni", &arg, &is_interp)) - return NULL; - - if (is_interp) - interp = (Tcl_Interp*) arg; - else { - TkappObject* app; - /* Do it the hard way. This will break if the TkappObject - layout changes */ - app = (TkappObject*) arg; - interp = app->interp; - } - - /* This will bomb if interp is invalid... */ - TkImaging_Init(interp); - - Py_INCREF(Py_None); - return Py_None; -} - -static PyMethodDef functions[] = { - /* Tkinter interface stuff */ - {"tkinit", (PyCFunction)_tkinit, 1}, - {NULL, NULL} /* sentinel */ -}; - -#if PY_VERSION_HEX >= 0x03000000 -PyMODINIT_FUNC -PyInit__imagingtk(void) { - static PyModuleDef module_def = { - PyModuleDef_HEAD_INIT, - "_imagingtk", /* m_name */ - NULL, /* m_doc */ - -1, /* m_size */ - functions, /* m_methods */ - }; - PyObject *m; - m = PyModule_Create(&module_def); - return (load_tkinter_funcs() == 0) ? m : NULL; -} -#else -PyMODINIT_FUNC -init_imagingtk(void) -{ - Py_InitModule("_imagingtk", functions); - load_tkinter_funcs(); -} -#endif - diff --git a/_webp.c b/_webp.c deleted file mode 100644 index a8c6d40afef..00000000000 --- a/_webp.c +++ /dev/null @@ -1,295 +0,0 @@ -#define PY_SSIZE_T_CLEAN -#include -#include "py3.h" -#include -#include -#include - -#ifdef HAVE_WEBPMUX -#include -#endif - -PyObject* WebPEncode_wrapper(PyObject* self, PyObject* args) -{ - int width; - int height; - int lossless; - float quality_factor; - uint8_t *rgb; - uint8_t *icc_bytes; - uint8_t *exif_bytes; - uint8_t *output; - char *mode; - Py_ssize_t size; - Py_ssize_t icc_size; - Py_ssize_t exif_size; - size_t ret_size; - - if (!PyArg_ParseTuple(args, "s#iiifss#s#", - (char**)&rgb, &size, &width, &height, &lossless, &quality_factor, &mode, - &icc_bytes, &icc_size, &exif_bytes, &exif_size)) { - Py_RETURN_NONE; - } - if (strcmp(mode, "RGBA")==0){ - if (size < width * height * 4){ - Py_RETURN_NONE; - } - #if WEBP_ENCODER_ABI_VERSION >= 0x0100 - if (lossless) { - ret_size = WebPEncodeLosslessRGBA(rgb, width, height, 4* width, &output); - } else - #endif - { - ret_size = WebPEncodeRGBA(rgb, width, height, 4* width, quality_factor, &output); - } - } else if (strcmp(mode, "RGB")==0){ - if (size < width * height * 3){ - Py_RETURN_NONE; - } - #if WEBP_ENCODER_ABI_VERSION >= 0x0100 - if (lossless) { - ret_size = WebPEncodeLosslessRGB(rgb, width, height, 3* width, &output); - } else - #endif - { - ret_size = WebPEncodeRGB(rgb, width, height, 3* width, quality_factor, &output); - } - } else { - Py_RETURN_NONE; - } - -#ifndef HAVE_WEBPMUX - if (ret_size > 0) { - PyObject *ret = PyBytes_FromStringAndSize((char*)output, ret_size); - free(output); - return ret; - } -#else - { - /* I want to truncate the *_size items that get passed into webp - data. Pypy2.1.0 had some issues where the Py_ssize_t items had - data in the upper byte. (Not sure why, it shouldn't have been there) - */ - int i_icc_size = (int)icc_size; - int i_exif_size = (int)exif_size; - WebPData output_data = {0}; - WebPData image = { output, ret_size }; - WebPData icc_profile = { icc_bytes, i_icc_size }; - WebPData exif = { exif_bytes, i_exif_size }; - WebPMuxError err; - int dbg = 0; - - int copy_data = 0; // value 1 indicates given data WILL be copied to the mux - // and value 0 indicates data will NOT be copied. - - WebPMux* mux = WebPMuxNew(); - WebPMuxSetImage(mux, &image, copy_data); - - if (dbg) { - /* was getting %ld icc_size == 0, icc_size>0 was true */ - fprintf(stderr, "icc size %d, %d \n", i_icc_size, i_icc_size > 0); - } - - if (i_icc_size > 0) { - if (dbg) { - fprintf (stderr, "Adding ICC Profile\n"); - } - err = WebPMuxSetChunk(mux, "ICCP", &icc_profile, copy_data); - if (dbg && err == WEBP_MUX_INVALID_ARGUMENT) { - fprintf(stderr, "Invalid ICC Argument\n"); - } else if (dbg && err == WEBP_MUX_MEMORY_ERROR) { - fprintf(stderr, "ICC Memory Error\n"); - } - } - - if (dbg) { - fprintf(stderr, "exif size %d \n", i_exif_size); - } - if (i_exif_size > 0) { - if (dbg){ - fprintf (stderr, "Adding Exif Data\n"); - } - err = WebPMuxSetChunk(mux, "EXIF", &exif, copy_data); - if (dbg && err == WEBP_MUX_INVALID_ARGUMENT) { - fprintf(stderr, "Invalid Exif Argument\n"); - } else if (dbg && err == WEBP_MUX_MEMORY_ERROR) { - fprintf(stderr, "Exif Memory Error\n"); - } - } - - WebPMuxAssemble(mux, &output_data); - WebPMuxDelete(mux); - free(output); - - ret_size = output_data.size; - if (ret_size > 0) { - PyObject *ret = PyBytes_FromStringAndSize((char*)output_data.bytes, ret_size); - WebPDataClear(&output_data); - return ret; - } - } -#endif - Py_RETURN_NONE; -} - - -PyObject* WebPDecode_wrapper(PyObject* self, PyObject* args) -{ - PyBytesObject *webp_string; - const uint8_t *webp; - Py_ssize_t size; - PyObject *ret = Py_None, *bytes = NULL, *pymode = NULL, *icc_profile = NULL, *exif = NULL; - WebPDecoderConfig config; - VP8StatusCode vp8_status_code = VP8_STATUS_OK; - char* mode = "RGB"; - - if (!PyArg_ParseTuple(args, "S", &webp_string)) { - Py_RETURN_NONE; - } - - if (!WebPInitDecoderConfig(&config)) { - Py_RETURN_NONE; - } - - PyBytes_AsStringAndSize((PyObject *) webp_string, (char**)&webp, &size); - - vp8_status_code = WebPGetFeatures(webp, size, &config.input); - if (vp8_status_code == VP8_STATUS_OK) { - // If we don't set it, we don't get alpha. - // Initialized to MODE_RGB - if (config.input.has_alpha) { - config.output.colorspace = MODE_RGBA; - mode = "RGBA"; - } - -#ifndef HAVE_WEBPMUX - vp8_status_code = WebPDecode(webp, size, &config); -#else - { - int copy_data = 0; - WebPData data = { webp, size }; - WebPMuxFrameInfo image; - WebPData icc_profile_data = {0}; - WebPData exif_data = {0}; - - WebPMux* mux = WebPMuxCreate(&data, copy_data); - if (NULL == mux) - goto end; - - if (WEBP_MUX_OK != WebPMuxGetFrame(mux, 1, &image)) - { - WebPMuxDelete(mux); - goto end; - } - - webp = image.bitstream.bytes; - size = image.bitstream.size; - - vp8_status_code = WebPDecode(webp, size, &config); - - if (WEBP_MUX_OK == WebPMuxGetChunk(mux, "ICCP", &icc_profile_data)) - icc_profile = PyBytes_FromStringAndSize((const char*)icc_profile_data.bytes, icc_profile_data.size); - - if (WEBP_MUX_OK == WebPMuxGetChunk(mux, "EXIF", &exif_data)) - exif = PyBytes_FromStringAndSize((const char*)exif_data.bytes, exif_data.size); - - WebPDataClear(&image.bitstream); - WebPMuxDelete(mux); - } -#endif - } - - if (vp8_status_code != VP8_STATUS_OK) - goto end; - - if (config.output.colorspace < MODE_YUV) { - bytes = PyBytes_FromStringAndSize((char *)config.output.u.RGBA.rgba, - config.output.u.RGBA.size); - } else { - // Skipping YUV for now. Need Test Images. - // UNDONE -- unclear if we'll ever get here if we set mode_rgb* - bytes = PyBytes_FromStringAndSize((char *)config.output.u.YUVA.y, - config.output.u.YUVA.y_size); - } - -#if PY_VERSION_HEX >= 0x03000000 - pymode = PyUnicode_FromString(mode); -#else - pymode = PyString_FromString(mode); -#endif - ret = Py_BuildValue("SiiSSS", bytes, config.output.width, - config.output.height, pymode, - NULL == icc_profile ? Py_None : icc_profile, - NULL == exif ? Py_None : exif); - -end: - WebPFreeDecBuffer(&config.output); - - Py_XDECREF(bytes); - Py_XDECREF(pymode); - Py_XDECREF(icc_profile); - Py_XDECREF(exif); - - if (Py_None == ret) - Py_RETURN_NONE; - - return ret; -} - -// Return the decoder's version number, packed in hexadecimal using 8bits for -// each of major/minor/revision. E.g: v2.5.7 is 0x020507. -PyObject* WebPDecoderVersion_wrapper(PyObject* self, PyObject* args){ - return Py_BuildValue("i", WebPGetDecoderVersion()); -} - -/* - * The version of webp that ships with (0.1.3) Ubuntu 12.04 doesn't handle alpha well. - * Files that are valid with 0.3 are reported as being invalid. - */ -PyObject* WebPDecoderBuggyAlpha_wrapper(PyObject* self, PyObject* args){ - return Py_BuildValue("i", WebPGetDecoderVersion()==0x0103); -} - -static PyMethodDef webpMethods[] = -{ - {"WebPEncode", WebPEncode_wrapper, METH_VARARGS, "WebPEncode"}, - {"WebPDecode", WebPDecode_wrapper, METH_VARARGS, "WebPDecode"}, - {"WebPDecoderVersion", WebPDecoderVersion_wrapper, METH_VARARGS, "WebPVersion"}, - {"WebPDecoderBuggyAlpha", WebPDecoderBuggyAlpha_wrapper, METH_VARARGS, "WebPDecoderBuggyAlpha"}, - {NULL, NULL} -}; - -void addMuxFlagToModule(PyObject* m) { -#ifdef HAVE_WEBPMUX - PyModule_AddObject(m, "HAVE_WEBPMUX", Py_True); -#else - PyModule_AddObject(m, "HAVE_WEBPMUX", Py_False); -#endif -} - - -#if PY_VERSION_HEX >= 0x03000000 -PyMODINIT_FUNC -PyInit__webp(void) { - PyObject* m; - - static PyModuleDef module_def = { - PyModuleDef_HEAD_INIT, - "_webp", /* m_name */ - NULL, /* m_doc */ - -1, /* m_size */ - webpMethods, /* m_methods */ - }; - - m = PyModule_Create(&module_def); - addMuxFlagToModule(m); - return m; -} -#else -PyMODINIT_FUNC -init_webp(void) -{ - PyObject* m = Py_InitModule("_webp", webpMethods); - addMuxFlagToModule(m); -} -#endif diff --git a/appveyor.yml b/appveyor.yml deleted file mode 100644 index 7e0674d8063..00000000000 --- a/appveyor.yml +++ /dev/null @@ -1,68 +0,0 @@ -version: 3.4.0.{build} -clone_folder: c:\pillow -init: -- ECHO %PYTHON% -#- ps: iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1')) -# Uncomment previous line to get RDP access during the build. - -environment: - X64_EXT: -x64 - matrix: - - PYTHON: C:/Python27-x64 - - PYTHON: C:/Python34 - - PYTHON: C:/Python27 - - PYTHON: C:/Python34-x64 - - PYTHON: C:/Python33 - - PYTHON: C:/Python33-x64 - -install: -- git clone https://github.com/python-pillow/pillow-depends.git c:\pillow-depends -- xcopy c:\pillow-depends\*.zip c:\pillow\winbuild\ -- xcopy c:\pillow-depends\*.tar.gz c:\pillow\winbuild\ -- cd c:\pillow\winbuild\ -- c:\python34\python.exe c:\pillow\winbuild\build_dep.py -- c:\pillow\winbuild\build_deps.cmd - -build_script: -- '%PYTHON%\python.exe c:\pillow\winbuild\build.py' -- cd c:\pillow -- dir dist\*.egg -- '%PYTHON%\python.exe selftest.py --installed' - -test_script: -- cd c:\pillow -- '%PYTHON%\Scripts\pip.exe install nose' -- '%PYTHON%\python.exe test-installed.py -v -s' - -matrix: - fast_finish: true - -artifacts: -- path: pillow\dist\*.egg - name: egg -- path: pillow\dist\*.wheel - name: wheel - -after_test: - - '%PYTHON%\Scripts\pip.exe install wheel' - - cd c:\pillow\winbuild\ - - '%PYTHON%\python.exe c:\pillow\winbuild\build.py --wheel' - - cd c:\pillow - - ps: Get-ChildItem .\dist\*.* | % { Push-AppveyorArtifact $_.FullName -FileName $_.Name } - -deploy: - provider: S3 - access_key_id: AKIAIRAXC62ZNTVQJMOQ - secret_access_key: - secure: Hwb6klTqtBeMgxAjRoDltiiqpuH8xbwD4UooDzBSiCWXjuFj1lyl4kHgHwTCCGqi - bucket: pillow-nightly - folder: win/$(APPVEYOR_BUILD_NUMBER)/ - artifact: /.*egg|wheel/ - on: - branch: master - -# Uncomment the following line to get RDP access after the build/test and block for -# up to the timeout limit (~1hr) -# -#on_finish: -#- ps: $blockRdp = $true; iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1')) diff --git a/build_children.sh b/build_children.sh deleted file mode 100755 index c4ed4ebfa8e..00000000000 --- a/build_children.sh +++ /dev/null @@ -1,7 +0,0 @@ -#!/bin/bash - -# Get last child project build number from branch named "latest" -BUILD_NUM=$(curl -s 'https://api.travis-ci.org/repos/python-pillow/pillow-wheels/branches/latest' | grep -o '^{"branch":{"id":[0-9]*,' | grep -o '[0-9]' | tr -d '\n') - -# Restart last child project build -curl -X POST https://api.travis-ci.org/builds/$BUILD_NUM/restart --header "Authorization: token "$AUTH_TOKEN diff --git a/codecov.yml b/codecov.yml new file mode 100644 index 00000000000..f3afccc1caf --- /dev/null +++ b/codecov.yml @@ -0,0 +1,22 @@ +# Documentation: https://docs.codecov.io/docs/codecov-yaml + +codecov: + # Avoid "Missing base report" due to committing CHANGES.rst with "[CI skip]" + # https://github.com/codecov/support/issues/363 + # https://docs.codecov.io/docs/comparing-commits + allow_coverage_offsets: true + +comment: false + +coverage: + status: + project: + default: + threshold: 0.01% + +# Matches 'omit:' in .coveragerc +ignore: + - "Tests/32bit_segfault_check.py" + - "Tests/bench_cffi_access.py" + - "Tests/check_*.py" + - "Tests/createfontdatachunk.py" diff --git a/conftest.py b/conftest.py new file mode 100644 index 00000000000..e123cca80fe --- /dev/null +++ b/conftest.py @@ -0,0 +1 @@ +pytest_plugins = ["Tests.helper"] diff --git a/decode.c b/decode.c deleted file mode 100644 index f700747e1d6..00000000000 --- a/decode.c +++ /dev/null @@ -1,937 +0,0 @@ -/* - * The Python Imaging Library. - * - * standard decoder interfaces for the Imaging library - * - * history: - * 1996-03-28 fl Moved from _imagingmodule.c - * 1996-04-15 fl Support subregions in setimage - * 1996-04-19 fl Allocate decoder buffer (where appropriate) - * 1996-05-02 fl Added jpeg decoder - * 1996-05-12 fl Compile cleanly as C++ - * 1996-05-16 fl Added hex decoder - * 1996-05-26 fl Added jpeg configuration parameters - * 1996-12-14 fl Added zip decoder - * 1996-12-30 fl Plugged potential memory leak for tiled images - * 1997-01-03 fl Added fli and msp decoders - * 1997-01-04 fl Added sun_rle and tga_rle decoders - * 1997-05-31 fl Added bitfield decoder - * 1998-09-11 fl Added orientation and pixelsize fields to tga_rle decoder - * 1998-12-29 fl Added mode/rawmode argument to decoders - * 1998-12-30 fl Added mode argument to *all* decoders - * 2002-06-09 fl Added stride argument to pcx decoder - * - * Copyright (c) 1997-2002 by Secret Labs AB. - * Copyright (c) 1995-2002 by Fredrik Lundh. - * - * See the README file for information on usage and redistribution. - */ - -/* FIXME: make these pluggable! */ - -#include "Python.h" - -#include "Imaging.h" -#include "py3.h" - -#include "Gif.h" -#include "Lzw.h" -#include "Raw.h" -#include "Bit.h" - - -/* -------------------------------------------------------------------- */ -/* Common */ -/* -------------------------------------------------------------------- */ - -typedef struct { - PyObject_HEAD - int (*decode)(Imaging im, ImagingCodecState state, - UINT8* buffer, int bytes); - int (*cleanup)(ImagingCodecState state); - struct ImagingCodecStateInstance state; - Imaging im; - PyObject* lock; - int handles_eof; - int pulls_fd; -} ImagingDecoderObject; - -static PyTypeObject ImagingDecoderType; - -static ImagingDecoderObject* -PyImaging_DecoderNew(int contextsize) -{ - ImagingDecoderObject *decoder; - void *context; - - if(PyType_Ready(&ImagingDecoderType) < 0) - return NULL; - - decoder = PyObject_New(ImagingDecoderObject, &ImagingDecoderType); - if (decoder == NULL) - return NULL; - - /* Clear the decoder state */ - memset(&decoder->state, 0, sizeof(decoder->state)); - - /* Allocate decoder context */ - if (contextsize > 0) { - context = (void*) calloc(1, contextsize); - if (!context) { - Py_DECREF(decoder); - (void) PyErr_NoMemory(); - return NULL; - } - } else - context = 0; - - /* Initialize decoder context */ - decoder->state.context = context; - - /* Target image */ - decoder->lock = NULL; - decoder->im = NULL; - - /* Initialize the cleanup function pointer */ - decoder->cleanup = NULL; - - /* Most decoders don't want to handle EOF themselves */ - decoder->handles_eof = 0; - - /* set if the decoder needs to pull data from the fd, instead of - having it pushed */ - decoder->pulls_fd = 0; - - return decoder; -} - -static void -_dealloc(ImagingDecoderObject* decoder) -{ - if (decoder->cleanup) - decoder->cleanup(&decoder->state); - free(decoder->state.buffer); - free(decoder->state.context); - Py_XDECREF(decoder->lock); - Py_XDECREF(decoder->state.fd); - PyObject_Del(decoder); -} - -static PyObject* -_decode(ImagingDecoderObject* decoder, PyObject* args) -{ - UINT8* buffer; - int bufsize, status; - ImagingSectionCookie cookie; - - if (!PyArg_ParseTuple(args, PY_ARG_BYTES_LENGTH, &buffer, &bufsize)) - return NULL; - - if (!decoder->pulls_fd) { - ImagingSectionEnter(&cookie); - } - - status = decoder->decode(decoder->im, &decoder->state, buffer, bufsize); - - if (!decoder->pulls_fd) { - ImagingSectionLeave(&cookie); - } - - return Py_BuildValue("ii", status, decoder->state.errcode); -} - -static PyObject* -_decode_cleanup(ImagingDecoderObject* decoder, PyObject* args) -{ - int status = 0; - - if (decoder->cleanup){ - status = decoder->cleanup(&decoder->state); - } - - return Py_BuildValue("i", status); -} - - - -extern Imaging PyImaging_AsImaging(PyObject *op); - -static PyObject* -_setimage(ImagingDecoderObject* decoder, PyObject* args) -{ - PyObject* op; - Imaging im; - ImagingCodecState state; - int x0, y0, x1, y1; - - x0 = y0 = x1 = y1 = 0; - - /* FIXME: should publish the ImagingType descriptor */ - if (!PyArg_ParseTuple(args, "O|(iiii)", &op, &x0, &y0, &x1, &y1)) - return NULL; - im = PyImaging_AsImaging(op); - if (!im) - return NULL; - - decoder->im = im; - - state = &decoder->state; - - /* Setup decoding tile extent */ - if (x0 == 0 && x1 == 0) { - state->xsize = im->xsize; - state->ysize = im->ysize; - } else { - state->xoff = x0; - state->yoff = y0; - state->xsize = x1 - x0; - state->ysize = y1 - y0; - } - - if (state->xsize <= 0 || - state->xsize + state->xoff > (int) im->xsize || - state->ysize <= 0 || - state->ysize + state->yoff > (int) im->ysize) { - PyErr_SetString(PyExc_ValueError, "tile cannot extend outside image"); - return NULL; - } - - /* Allocate memory buffer (if bits field is set) */ - if (state->bits > 0) { - if (!state->bytes) { - if (state->xsize > ((INT_MAX / state->bits)-7)){ - return PyErr_NoMemory(); - } - state->bytes = (state->bits * state->xsize+7)/8; - } - /* malloc check ok, overflow checked above */ - state->buffer = (UINT8*) malloc(state->bytes); - if (!state->buffer) - return PyErr_NoMemory(); - } - - /* Keep a reference to the image object, to make sure it doesn't - go away before we do */ - Py_INCREF(op); - Py_XDECREF(decoder->lock); - decoder->lock = op; - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_setfd(ImagingDecoderObject* decoder, PyObject* args) -{ - PyObject* fd; - ImagingCodecState state; - - if (!PyArg_ParseTuple(args, "O", &fd)) - return NULL; - - state = &decoder->state; - - Py_XINCREF(fd); - state->fd = fd; - - Py_INCREF(Py_None); - return Py_None; -} - - -static PyObject * -_get_handles_eof(ImagingDecoderObject *decoder) -{ - return PyBool_FromLong(decoder->handles_eof); -} - -static PyObject * -_get_pulls_fd(ImagingDecoderObject *decoder) -{ - return PyBool_FromLong(decoder->pulls_fd); -} - -static struct PyMethodDef methods[] = { - {"decode", (PyCFunction)_decode, 1}, - {"cleanup", (PyCFunction)_decode_cleanup, 1}, - {"setimage", (PyCFunction)_setimage, 1}, - {"setfd", (PyCFunction)_setfd, 1}, - {NULL, NULL} /* sentinel */ -}; - -static struct PyGetSetDef getseters[] = { - {"handles_eof", (getter)_get_handles_eof, NULL, - "True if this decoder expects to handle EOF itself.", - NULL}, - {"pulls_fd", (getter)_get_pulls_fd, NULL, - "True if this decoder expects to pull from self.fd itself.", - NULL}, - {NULL, NULL, NULL, NULL, NULL} /* sentinel */ -}; - -static PyTypeObject ImagingDecoderType = { - PyVarObject_HEAD_INIT(NULL, 0) - "ImagingDecoder", /*tp_name*/ - sizeof(ImagingDecoderObject), /*tp_size*/ - 0, /*tp_itemsize*/ - /* methods */ - (destructor)_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number */ - 0, /*tp_as_sequence */ - 0, /*tp_as_mapping */ - 0, /*tp_hash*/ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - 0, /*tp_doc*/ - 0, /*tp_traverse*/ - 0, /*tp_clear*/ - 0, /*tp_richcompare*/ - 0, /*tp_weaklistoffset*/ - 0, /*tp_iter*/ - 0, /*tp_iternext*/ - methods, /*tp_methods*/ - 0, /*tp_members*/ - getseters, /*tp_getset*/ -}; - -/* -------------------------------------------------------------------- */ - -int -get_unpacker(ImagingDecoderObject* decoder, const char* mode, - const char* rawmode) -{ - int bits; - ImagingShuffler unpack; - - unpack = ImagingFindUnpacker(mode, rawmode, &bits); - if (!unpack) { - Py_DECREF(decoder); - PyErr_SetString(PyExc_ValueError, "unknown raw mode"); - return -1; - } - - decoder->state.shuffle = unpack; - decoder->state.bits = bits; - - return 0; -} - - -/* -------------------------------------------------------------------- */ -/* BIT (packed fields) */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_BitDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - char* mode; - int bits = 8; - int pad = 8; - int fill = 0; - int sign = 0; - int ystep = 1; - if (!PyArg_ParseTuple(args, "s|iiiii", &mode, &bits, &pad, &fill, - &sign, &ystep)) - return NULL; - - if (strcmp(mode, "F") != 0) { - PyErr_SetString(PyExc_ValueError, "bad image mode"); - return NULL; - } - - decoder = PyImaging_DecoderNew(sizeof(BITSTATE)); - if (decoder == NULL) - return NULL; - - decoder->decode = ImagingBitDecode; - - decoder->state.ystep = ystep; - - ((BITSTATE*)decoder->state.context)->bits = bits; - ((BITSTATE*)decoder->state.context)->pad = pad; - ((BITSTATE*)decoder->state.context)->fill = fill; - ((BITSTATE*)decoder->state.context)->sign = sign; - - return (PyObject*) decoder; -} - - -/* -------------------------------------------------------------------- */ -/* BCn: GPU block-compressed texture formats */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_BcnDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - char* mode; - char* actual; - int n = 0; - int ystep = 1; - if (!PyArg_ParseTuple(args, "s|ii", &mode, &n, &ystep)) - return NULL; - - switch (n) { - case 1: /* BC1: 565 color, 1-bit alpha */ - case 2: /* BC2: 565 color, 4-bit alpha */ - case 3: /* BC3: 565 color, 2-endpoint 8-bit interpolated alpha */ - case 5: /* BC5: 2-channel 8-bit via 2 BC3 alpha blocks */ - case 7: /* BC7: 4-channel 8-bit via everything */ - actual = "RGBA"; break; - case 4: /* BC4: 1-channel 8-bit via 1 BC3 alpha block */ - actual = "L"; break; - case 6: /* BC6: 3-channel 16-bit float */ - /* TODO: support 4-channel floating point images */ - actual = "RGBAF"; break; - default: - PyErr_SetString(PyExc_ValueError, "block compression type unknown"); - return NULL; - } - - if (strcmp(mode, actual) != 0) { - PyErr_SetString(PyExc_ValueError, "bad image mode"); - return NULL; - } - - decoder = PyImaging_DecoderNew(0); - if (decoder == NULL) - return NULL; - - decoder->decode = ImagingBcnDecode; - decoder->state.state = n; - decoder->state.ystep = ystep; - - return (PyObject*) decoder; -} - - -/* -------------------------------------------------------------------- */ -/* FLI */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_FliDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - decoder = PyImaging_DecoderNew(0); - if (decoder == NULL) - return NULL; - - decoder->decode = ImagingFliDecode; - - return (PyObject*) decoder; -} - - -/* -------------------------------------------------------------------- */ -/* GIF */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_GifDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - char* mode; - int bits = 8; - int interlace = 0; - if (!PyArg_ParseTuple(args, "s|ii", &mode, &bits, &interlace)) - return NULL; - - if (strcmp(mode, "L") != 0 && strcmp(mode, "P") != 0) { - PyErr_SetString(PyExc_ValueError, "bad image mode"); - return NULL; - } - - decoder = PyImaging_DecoderNew(sizeof(GIFDECODERSTATE)); - if (decoder == NULL) - return NULL; - - decoder->decode = ImagingGifDecode; - - ((GIFDECODERSTATE*)decoder->state.context)->bits = bits; - ((GIFDECODERSTATE*)decoder->state.context)->interlace = interlace; - - return (PyObject*) decoder; -} - - -/* -------------------------------------------------------------------- */ -/* HEX */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_HexDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - char* mode; - char* rawmode; - if (!PyArg_ParseTuple(args, "ss", &mode, &rawmode)) - return NULL; - - decoder = PyImaging_DecoderNew(0); - if (decoder == NULL) - return NULL; - - if (get_unpacker(decoder, mode, rawmode) < 0) - return NULL; - - decoder->decode = ImagingHexDecode; - - return (PyObject*) decoder; -} - - -/* -------------------------------------------------------------------- */ -/* LZW */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_TiffLzwDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - char* mode; - char* rawmode; - int filter = 0; - if (!PyArg_ParseTuple(args, "ss|i", &mode, &rawmode, &filter)) - return NULL; - - decoder = PyImaging_DecoderNew(sizeof(LZWSTATE)); - if (decoder == NULL) - return NULL; - - if (get_unpacker(decoder, mode, rawmode) < 0) - return NULL; - - decoder->decode = ImagingLzwDecode; - - ((LZWSTATE*)decoder->state.context)->filter = filter; - - return (PyObject*) decoder; -} - -/* -------------------------------------------------------------------- */ -/* LibTiff */ -/* -------------------------------------------------------------------- */ - -#ifdef HAVE_LIBTIFF - -#include "TiffDecode.h" - -#include - -PyObject* -PyImaging_LibTiffDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - char* mode; - char* rawmode; - char* compname; - int fp; - int ifdoffset; - - if (! PyArg_ParseTuple(args, "sssii", &mode, &rawmode, &compname, &fp, &ifdoffset)) - return NULL; - - TRACE(("new tiff decoder %s\n", compname)); - - decoder = PyImaging_DecoderNew(sizeof(TIFFSTATE)); - if (decoder == NULL) - return NULL; - - if (get_unpacker(decoder, mode, rawmode) < 0) - return NULL; - - if (! ImagingLibTiffInit(&decoder->state, fp, ifdoffset)) { - Py_DECREF(decoder); - PyErr_SetString(PyExc_RuntimeError, "tiff codec initialization failed"); - return NULL; - } - - decoder->decode = ImagingLibTiffDecode; - - return (PyObject*) decoder; -} - -#endif - -/* -------------------------------------------------------------------- */ -/* MSP */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_MspDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - decoder = PyImaging_DecoderNew(0); - if (decoder == NULL) - return NULL; - - if (get_unpacker(decoder, "1", "1") < 0) - return NULL; - - decoder->decode = ImagingMspDecode; - - return (PyObject*) decoder; -} - - -/* -------------------------------------------------------------------- */ -/* PackBits */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_PackbitsDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - char* mode; - char* rawmode; - if (!PyArg_ParseTuple(args, "ss", &mode, &rawmode)) - return NULL; - - decoder = PyImaging_DecoderNew(0); - if (decoder == NULL) - return NULL; - - if (get_unpacker(decoder, mode, rawmode) < 0) - return NULL; - - decoder->decode = ImagingPackbitsDecode; - - return (PyObject*) decoder; -} - - -/* -------------------------------------------------------------------- */ -/* PCD */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_PcdDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - decoder = PyImaging_DecoderNew(0); - if (decoder == NULL) - return NULL; - - /* Unpack from PhotoYCC to RGB */ - if (get_unpacker(decoder, "RGB", "YCC;P") < 0) - return NULL; - - decoder->decode = ImagingPcdDecode; - - return (PyObject*) decoder; -} - - -/* -------------------------------------------------------------------- */ -/* PCX */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_PcxDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - char* mode; - char* rawmode; - int stride; - if (!PyArg_ParseTuple(args, "ssi", &mode, &rawmode, &stride)) - return NULL; - - decoder = PyImaging_DecoderNew(0); - if (decoder == NULL) - return NULL; - - if (get_unpacker(decoder, mode, rawmode) < 0) - return NULL; - - decoder->state.bytes = stride; - - decoder->decode = ImagingPcxDecode; - - return (PyObject*) decoder; -} - - -/* -------------------------------------------------------------------- */ -/* RAW */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_RawDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - char* mode; - char* rawmode; - int stride = 0; - int ystep = 1; - if (!PyArg_ParseTuple(args, "ss|ii", &mode, &rawmode, &stride, &ystep)) - return NULL; - - decoder = PyImaging_DecoderNew(sizeof(RAWSTATE)); - if (decoder == NULL) - return NULL; - - if (get_unpacker(decoder, mode, rawmode) < 0) - return NULL; - - decoder->decode = ImagingRawDecode; - - decoder->state.ystep = ystep; - - ((RAWSTATE*)decoder->state.context)->stride = stride; - - return (PyObject*) decoder; -} - - -/* -------------------------------------------------------------------- */ -/* SUN RLE */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_SunRleDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - char* mode; - char* rawmode; - if (!PyArg_ParseTuple(args, "ss", &mode, &rawmode)) - return NULL; - - decoder = PyImaging_DecoderNew(0); - if (decoder == NULL) - return NULL; - - if (get_unpacker(decoder, mode, rawmode) < 0) - return NULL; - - decoder->decode = ImagingSunRleDecode; - - return (PyObject*) decoder; -} - - -/* -------------------------------------------------------------------- */ -/* TGA RLE */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_TgaRleDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - char* mode; - char* rawmode; - int ystep = 1; - int depth = 8; - if (!PyArg_ParseTuple(args, "ss|ii", &mode, &rawmode, &ystep, &depth)) - return NULL; - - decoder = PyImaging_DecoderNew(0); - if (decoder == NULL) - return NULL; - - if (get_unpacker(decoder, mode, rawmode) < 0) - return NULL; - - decoder->decode = ImagingTgaRleDecode; - - decoder->state.ystep = ystep; - decoder->state.count = depth / 8; - - return (PyObject*) decoder; -} - - -/* -------------------------------------------------------------------- */ -/* XBM */ -/* -------------------------------------------------------------------- */ - -PyObject* -PyImaging_XbmDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - decoder = PyImaging_DecoderNew(0); - if (decoder == NULL) - return NULL; - - if (get_unpacker(decoder, "1", "1;R") < 0) - return NULL; - - decoder->decode = ImagingXbmDecode; - - return (PyObject*) decoder; -} - - -/* -------------------------------------------------------------------- */ -/* ZIP */ -/* -------------------------------------------------------------------- */ - -#ifdef HAVE_LIBZ - -#include "Zip.h" - -PyObject* -PyImaging_ZipDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - char* mode; - char* rawmode; - int interlaced = 0; - if (!PyArg_ParseTuple(args, "ss|i", &mode, &rawmode, &interlaced)) - return NULL; - - decoder = PyImaging_DecoderNew(sizeof(ZIPSTATE)); - if (decoder == NULL) - return NULL; - - if (get_unpacker(decoder, mode, rawmode) < 0) - return NULL; - - decoder->decode = ImagingZipDecode; - - ((ZIPSTATE*)decoder->state.context)->interlaced = interlaced; - - return (PyObject*) decoder; -} -#endif - - -/* -------------------------------------------------------------------- */ -/* JPEG */ -/* -------------------------------------------------------------------- */ - -#ifdef HAVE_LIBJPEG - -/* We better define this decoder last in this file, so the following - undef's won't mess things up for the Imaging library proper. */ - -#undef HAVE_PROTOTYPES -#undef HAVE_STDDEF_H -#undef HAVE_STDLIB_H -#undef UINT8 -#undef UINT16 -#undef UINT32 -#undef INT8 -#undef INT16 -#undef INT32 - -#include "Jpeg.h" - -PyObject* -PyImaging_JpegDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - - char* mode; - char* rawmode; /* what we want from the decoder */ - char* jpegmode; /* what's in the file */ - int scale = 1; - int draft = 0; - if (!PyArg_ParseTuple(args, "ssz|ii", &mode, &rawmode, &jpegmode, - &scale, &draft)) - return NULL; - - if (!jpegmode) - jpegmode = ""; - - decoder = PyImaging_DecoderNew(sizeof(JPEGSTATE)); - if (decoder == NULL) - return NULL; - - if (get_unpacker(decoder, mode, rawmode) < 0) - return NULL; - - decoder->decode = ImagingJpegDecode; - decoder->cleanup = ImagingJpegDecodeCleanup; - - strncpy(((JPEGSTATE*)decoder->state.context)->rawmode, rawmode, 8); - strncpy(((JPEGSTATE*)decoder->state.context)->jpegmode, jpegmode, 8); - - ((JPEGSTATE*)decoder->state.context)->scale = scale; - ((JPEGSTATE*)decoder->state.context)->draft = draft; - - return (PyObject*) decoder; -} -#endif - -/* -------------------------------------------------------------------- */ -/* JPEG 2000 */ -/* -------------------------------------------------------------------- */ - -#ifdef HAVE_OPENJPEG - -#include "Jpeg2K.h" - -PyObject* -PyImaging_Jpeg2KDecoderNew(PyObject* self, PyObject* args) -{ - ImagingDecoderObject* decoder; - JPEG2KDECODESTATE *context; - - char* mode; - char* format; - OPJ_CODEC_FORMAT codec_format; - int reduce = 0; - int layers = 0; - int fd = -1; - PY_LONG_LONG length = -1; - - if (!PyArg_ParseTuple(args, "ss|iiiL", &mode, &format, - &reduce, &layers, &fd, &length)) - return NULL; - - if (strcmp(format, "j2k") == 0) - codec_format = OPJ_CODEC_J2K; - else if (strcmp(format, "jpt") == 0) - codec_format = OPJ_CODEC_JPT; - else if (strcmp(format, "jp2") == 0) - codec_format = OPJ_CODEC_JP2; - else - return NULL; - - decoder = PyImaging_DecoderNew(sizeof(JPEG2KDECODESTATE)); - if (decoder == NULL) - return NULL; - - decoder->handles_eof = 1; - decoder->pulls_fd = 1; - decoder->decode = ImagingJpeg2KDecode; - decoder->cleanup = ImagingJpeg2KDecodeCleanup; - - context = (JPEG2KDECODESTATE *)decoder->state.context; - - context->fd = fd; - context->length = (off_t)length; - context->format = codec_format; - context->reduce = reduce; - context->layers = layers; - - return (PyObject*) decoder; -} -#endif /* HAVE_OPENJPEG */ - diff --git a/depends/README.rst b/depends/README.rst index 779e956f496..b69c9dcbf8f 100644 --- a/depends/README.rst +++ b/depends/README.rst @@ -1,27 +1,9 @@ Depends ======= -``install_openjpeg.sh``, ``install_webp.sh`` and ``install_imagequant.sh`` can -be used to download, build & install non-packaged dependencies; useful for -testing with Travis CI. - -The other scripts can be used to install all of the dependencies for -the listed operating systems/distros. The ``ubuntu_14.04.sh`` and -``debian_8.2.sh`` scripts have been tested on bare AWS images and will -install all required dependencies for the system Python 2.7 and 3.4 -for all of the optional dependencies. Git may also be required prior -to running the script to actually download Pillow. - -e.g.:: - - $ sudo apt-get install git - $ git clone https://github.com/python-pillow/Pillow.git - $ cd Pillow/depends - $ ./debian_8.2.sh - $ cd .. - $ git checkout [branch or tag] - $ virtualenv -p /usr/bin/python2.7 ~/vpy27 - $ source ~/vpy27/bin/activate - $ make install - $ make test +``install_openjpeg.sh``, ``install_webp.sh``, ``install_imagequant.sh``, +``install_raqm.sh`` and ``install_raqm_cmake.sh`` can be used to download, +build & install non-packaged dependencies; useful for testing on CI. +``install_extra_test_images.sh`` can be used to install additional test images +that are used by CI. diff --git a/depends/alpine_Dockerfile b/depends/alpine_Dockerfile deleted file mode 100644 index c0fec8f08a0..00000000000 --- a/depends/alpine_Dockerfile +++ /dev/null @@ -1,43 +0,0 @@ -# This is a sample Dockerfile to build Pillow on Alpine Linux -# with all/most of the dependencies working. -# -# Tcl/Tk isn't detecting -# Freetype has different metrics so tests are failing. -# sudo and bash are required for the webp build script. - -FROM alpine -USER root - -RUN apk --no-cache add python \ - build-base \ - python-dev \ - py-pip \ - # Pillow depenencies - jpeg-dev \ - zlib-dev \ - freetype-dev \ - lcms2-dev \ - openjpeg-dev \ - tiff-dev \ - tk-dev \ - tcl-dev - -# install from pip, without webp -#RUN LIBRARY_PATH=/lib:/usr/lib /bin/sh -c "pip install Pillow" - -# install from git, run tests, including webp -RUN apk --no-cache add git \ - bash \ - sudo - -RUN git clone https://github.com/python-pillow/Pillow.git /Pillow -RUN pip install virtualenv && virtualenv /vpy && source /vpy/bin/activate && pip install nose - -RUN echo "#!/bin/bash" >> /test && \ - echo "source /vpy/bin/activate && cd /Pillow " >> test && \ - echo "pushd depends && ./install_webp.sh && ./install_imagequant.sh && popd" >> test && \ - echo "LIBRARY_PATH=/lib:/usr/lib make install && make test" >> test - -RUN chmod +x /test - -CMD ["/test"] diff --git a/depends/debian_8.2.sh b/depends/debian_8.2.sh deleted file mode 100755 index 96e6a8e2ba2..00000000000 --- a/depends/debian_8.2.sh +++ /dev/null @@ -1,17 +0,0 @@ -#!/bin/sh - -# -# Installs all of the dependencies for Pillow for Debian 8.2 -# for both system Pythons 2.7 and 3.4 -# -# Also works for Raspbian Jessie -# - -sudo apt-get -y install python-dev python-setuptools \ - python3-dev python-virtualenv cmake -sudo apt-get -y install libtiff5-dev libjpeg62-turbo-dev zlib1g-dev \ - libfreetype6-dev liblcms2-dev libwebp-dev tcl8.6-dev tk8.6-dev \ - python-tk python3-tk - -./install_openjpeg.sh -./install_imagequant.sh diff --git a/depends/diffcover-install.sh b/depends/diffcover-install.sh deleted file mode 100755 index 850d368f8f6..00000000000 --- a/depends/diffcover-install.sh +++ /dev/null @@ -1,7 +0,0 @@ -# Fetch the remote master branch before running diff-cover on Travis CI. -# https://github.com/Bachmann1234/diff-cover#troubleshooting -git fetch origin master:refs/remotes/origin/master - -# CFLAGS=-O0 means build with no optimisation. -# Makes build much quicker for lxml and other dependencies. -time CFLAGS=-O0 pip install --use-wheel diff_cover diff --git a/depends/diffcover-run.sh b/depends/diffcover-run.sh deleted file mode 100755 index 02efab6aea5..00000000000 --- a/depends/diffcover-run.sh +++ /dev/null @@ -1,4 +0,0 @@ -coverage xml -diff-cover coverage.xml -diff-quality --violation=pyflakes -diff-quality --violation=pep8 diff --git a/depends/download-and-extract.sh b/depends/download-and-extract.sh new file mode 100755 index 00000000000..d9608e7827a --- /dev/null +++ b/depends/download-and-extract.sh @@ -0,0 +1,12 @@ +#!/bin/sh +# Usage: ./download-and-extract.sh something https://example.com/something.tar.gz + +archive=$1 +url=$2 + +if [ ! -f $archive.tar.gz ]; then + wget -O $archive.tar.gz $url +fi + +rm -r $archive +tar -xvzf $archive.tar.gz diff --git a/depends/fedora_23.sh b/depends/fedora_23.sh deleted file mode 100755 index bad03e76405..00000000000 --- a/depends/fedora_23.sh +++ /dev/null @@ -1,18 +0,0 @@ -#!/bin/sh - -# -# Installs all of the dependencies for Pillow for Fedora 23 -# for both system Pythons 2.7 and 3.4 -# -# note that Fedora does ship packages for Pillow as python-pillow - -# this is a workaround for -# "gcc: error: /usr/lib/rpm/redhat/redhat-hardened-cc1: No such file or directory" -# errors when compiling. -sudo dnf install redhat-rpm-config - -sudo dnf install python-devel python3-devel python-virtualenv make gcc - -sudo dnf install libtiff-devel libjpeg-devel zlib-devel freetype-devel \ - lcms2-devel libwebp-devel openjpeg2-devel tkinter python3-tkinter \ - tcl-devel tk-devel \ No newline at end of file diff --git a/depends/freebsd_10.sh b/depends/freebsd_10.sh deleted file mode 100755 index 99b4d6d0f6c..00000000000 --- a/depends/freebsd_10.sh +++ /dev/null @@ -1,11 +0,0 @@ -#!/bin/sh - -# -# Installs all of the dependencies for Pillow for Freebsd 10.x -# for both system Pythons 2.7 and 3.4 -# -sudo pkg install python2 python3 py27-pip py27-virtualenv py27-setuptools27 - -# Openjpeg fails badly using the openjpeg package. -# I can't find a python3.4 version of tkinter -sudo pkg install jpeg-turbo tiff webp lcms2 freetype2 py27-tkinter diff --git a/depends/install_extra_test_images.sh b/depends/install_extra_test_images.sh new file mode 100755 index 00000000000..02da12d61a4 --- /dev/null +++ b/depends/install_extra_test_images.sh @@ -0,0 +1,15 @@ +#!/bin/bash +# install extra test images + +# Use SVN to just fetch a single Git subdirectory +svn_export() +{ + if [ ! -z $1 ]; then + echo "" + echo "Retrying svn export..." + echo "" + fi + + svn export --force https://github.com/python-pillow/pillow-depends/trunk/test_images ../Tests/images +} +svn_export || svn_export retry || svn_export retry || svn_export retry diff --git a/depends/install_imagequant.sh b/depends/install_imagequant.sh index dd497dc3cc6..774f2676750 100755 --- a/depends/install_imagequant.sh +++ b/depends/install_imagequant.sh @@ -1,12 +1,14 @@ #!/bin/bash # install libimagequant -git clone -b 2.6.0 https://github.com/pornel/pngquant +archive=libimagequant-2.17.0 -pushd pngquant +./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/main/$archive.tar.gz -make -C lib shared -sudo cp lib/libimagequant.so* /usr/lib/ -sudo cp lib/libimagequant.h /usr/include/ +pushd $archive + +make shared +sudo cp libimagequant.so* /usr/lib/ +sudo cp libimagequant.h /usr/include/ popd diff --git a/depends/install_openjpeg.sh b/depends/install_openjpeg.sh index fb7d3e9e44e..914e71e5396 100755 --- a/depends/install_openjpeg.sh +++ b/depends/install_openjpeg.sh @@ -1,19 +1,12 @@ #!/bin/bash # install openjpeg +archive=openjpeg-2.4.0 -if [ ! -f openjpeg-2.1.0.tar.gz ]; then - wget -O 'openjpeg-2.1.0.tar.gz' 'https://github.com/python-pillow/pillow-depends/blob/master/openjpeg-2.1.0.tar.gz?raw=true' +./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/main/$archive.tar.gz -fi - -rm -r openjpeg-2.1.0 -tar -xvzf openjpeg-2.1.0.tar.gz - - -pushd openjpeg-2.1.0 +pushd $archive cmake -DCMAKE_INSTALL_PREFIX=/usr . && make -j4 && sudo make -j4 install popd - diff --git a/depends/install_raqm.sh b/depends/install_raqm.sh new file mode 100755 index 00000000000..3105465ec40 --- /dev/null +++ b/depends/install_raqm.sh @@ -0,0 +1,14 @@ +#!/usr/bin/env bash +# install raqm + + +archive=raqm-0.7.1 + +./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/main/$archive.tar.gz + +pushd $archive + +./configure --prefix=/usr && make -j4 && sudo make -j4 install + +popd + diff --git a/depends/install_raqm_cmake.sh b/depends/install_raqm_cmake.sh new file mode 100755 index 00000000000..7d2c399df5d --- /dev/null +++ b/depends/install_raqm_cmake.sh @@ -0,0 +1,18 @@ +#!/usr/bin/env bash +# install raqm + + +archive=raqm-cmake-99300ff3 + +./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/main/$archive.tar.gz + +pushd $archive + +mkdir build +cd build +cmake .. +make && sudo make install +cd .. + +popd + diff --git a/depends/install_webp.sh b/depends/install_webp.sh index 08507ede6f5..8a9c968045c 100755 --- a/depends/install_webp.sh +++ b/depends/install_webp.sh @@ -1,14 +1,11 @@ #!/bin/bash # install webp -if [ ! -f libwebp-0.5.0.tar.gz ]; then - wget -O 'libwebp-0.5.0.tar.gz' 'https://github.com/python-pillow/pillow-depends/blob/master/libwebp-0.5.0.tar.gz?raw=true' -fi +archive=libwebp-1.2.1 -rm -r libwebp-0.5.0 -tar -xvzf libwebp-0.5.0.tar.gz +./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/main/$archive.tar.gz -pushd libwebp-0.5.0 +pushd $archive ./configure --prefix=/usr --enable-libwebpmux --enable-libwebpdemux && make -j4 && sudo make -j4 install diff --git a/depends/termux.sh b/depends/termux.sh new file mode 100755 index 00000000000..1acc09c4463 --- /dev/null +++ b/depends/termux.sh @@ -0,0 +1,5 @@ +#!/bin/sh + +pkg install -y python ndk-sysroot clang make \ + libjpeg-turbo + diff --git a/depends/ubuntu_12.04.sh b/depends/ubuntu_12.04.sh deleted file mode 100755 index 9bfae43b0bc..00000000000 --- a/depends/ubuntu_12.04.sh +++ /dev/null @@ -1,17 +0,0 @@ -#!/bin/sh - -# -# Installs all of the dependencies for Pillow for Ubuntu 12.04 -# for both system Pythons 2.7 and 3.2 -# - -sudo apt-get -y install python-dev python-setuptools \ - python3-dev python-virtualenv cmake -sudo apt-get install libtiff4-dev libjpeg8-dev zlib1g-dev \ - libfreetype6-dev liblcms2-dev tcl8.5-dev \ - tk8.5-dev python-tk python3-tk - - -./install_openjpeg.sh -./install_webp.sh -./install_imagequant.sh diff --git a/depends/ubuntu_14.04.sh b/depends/ubuntu_14.04.sh deleted file mode 100755 index a548f74fa94..00000000000 --- a/depends/ubuntu_14.04.sh +++ /dev/null @@ -1,15 +0,0 @@ -#!/bin/sh - -# -# Installs all of the dependencies for Pillow for Ubuntu 14.04 -# for both system Pythons 2.7 and 3.4 -# - -sudo apt-get -y install python-dev python-setuptools \ - python3-dev python-virtualenv cmake -sudo apt-get -y install libtiff5-dev libjpeg8-dev zlib1g-dev \ - libfreetype6-dev liblcms2-dev libwebp-dev tcl8.6-dev tk8.6-dev \ - python-tk python3-tk - -./install_openjpeg.sh -./install_imagequant.sh diff --git a/display.c b/display.c deleted file mode 100644 index 9f493344ede..00000000000 --- a/display.c +++ /dev/null @@ -1,874 +0,0 @@ -/* - * The Python Imaging Library. - * - * display support (and other windows-related stuff) - * - * History: - * 1996-05-13 fl Windows DIB support - * 1996-05-21 fl Added palette stuff - * 1996-05-28 fl Added display_mode stuff - * 1997-09-21 fl Added draw primitive - * 2001-09-17 fl Added ImagingGrabScreen (from _grabscreen.c) - * 2002-05-12 fl Added ImagingListWindows - * 2002-11-19 fl Added clipboard support - * 2002-11-25 fl Added GetDC/ReleaseDC helpers - * 2003-05-21 fl Added create window support (including window callback) - * 2003-09-05 fl Added fromstring/tostring methods - * 2009-03-14 fl Added WMF support (from pilwmf) - * - * Copyright (c) 1997-2003 by Secret Labs AB. - * Copyright (c) 1996-1997 by Fredrik Lundh. - * - * See the README file for information on usage and redistribution. - */ - - -#include "Python.h" - -#include "Imaging.h" -#include "py3.h" - -/* -------------------------------------------------------------------- */ -/* Windows DIB support */ - -#ifdef _WIN32 - -#include "ImDib.h" - -#if SIZEOF_VOID_P == 8 -#define F_HANDLE "K" -#else -#define F_HANDLE "k" -#endif - -typedef struct { - PyObject_HEAD - ImagingDIB dib; -} ImagingDisplayObject; - -static PyTypeObject ImagingDisplayType; - -static ImagingDisplayObject* -_new(const char* mode, int xsize, int ysize) -{ - ImagingDisplayObject *display; - - if (PyType_Ready(&ImagingDisplayType) < 0) - return NULL; - - display = PyObject_New(ImagingDisplayObject, &ImagingDisplayType); - if (display == NULL) - return NULL; - - display->dib = ImagingNewDIB(mode, xsize, ysize); - if (!display->dib) { - Py_DECREF(display); - return NULL; - } - - return display; -} - -static void -_delete(ImagingDisplayObject* display) -{ - if (display->dib) - ImagingDeleteDIB(display->dib); - PyObject_Del(display); -} - -static PyObject* -_expose(ImagingDisplayObject* display, PyObject* args) -{ - HDC hdc; - if (!PyArg_ParseTuple(args, F_HANDLE, &hdc)) - return NULL; - - ImagingExposeDIB(display->dib, hdc); - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_draw(ImagingDisplayObject* display, PyObject* args) -{ - HDC hdc; - int dst[4]; - int src[4]; - if (!PyArg_ParseTuple(args, F_HANDLE "(iiii)(iiii)", &hdc, - dst+0, dst+1, dst+2, dst+3, - src+0, src+1, src+2, src+3)) - return NULL; - - ImagingDrawDIB(display->dib, hdc, dst, src); - - Py_INCREF(Py_None); - return Py_None; -} - -extern Imaging PyImaging_AsImaging(PyObject *op); - -static PyObject* -_paste(ImagingDisplayObject* display, PyObject* args) -{ - Imaging im; - - PyObject* op; - int xy[4]; - xy[0] = xy[1] = xy[2] = xy[3] = 0; - if (!PyArg_ParseTuple(args, "O|(iiii)", &op, xy+0, xy+1, xy+2, xy+3)) - return NULL; - im = PyImaging_AsImaging(op); - if (!im) - return NULL; - - if (xy[2] <= xy[0]) - xy[2] = xy[0] + im->xsize; - if (xy[3] <= xy[1]) - xy[3] = xy[1] + im->ysize; - - ImagingPasteDIB(display->dib, im, xy); - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_query_palette(ImagingDisplayObject* display, PyObject* args) -{ - HDC hdc; - int status; - - if (!PyArg_ParseTuple(args, F_HANDLE, &hdc)) - return NULL; - - status = ImagingQueryPaletteDIB(display->dib, hdc); - - return Py_BuildValue("i", status); -} - -static PyObject* -_getdc(ImagingDisplayObject* display, PyObject* args) -{ - HWND window; - HDC dc; - - if (!PyArg_ParseTuple(args, F_HANDLE, &window)) - return NULL; - - dc = GetDC(window); - if (!dc) { - PyErr_SetString(PyExc_IOError, "cannot create dc"); - return NULL; - } - - return Py_BuildValue(F_HANDLE, dc); -} - -static PyObject* -_releasedc(ImagingDisplayObject* display, PyObject* args) -{ - HWND window; - HDC dc; - - if (!PyArg_ParseTuple(args, F_HANDLE F_HANDLE, &window, &dc)) - return NULL; - - ReleaseDC(window, dc); - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_frombytes(ImagingDisplayObject* display, PyObject* args) -{ - char* ptr; - int bytes; - -#if PY_VERSION_HEX >= 0x03000000 - if (!PyArg_ParseTuple(args, "y#:frombytes", &ptr, &bytes)) - return NULL; -#else - if (!PyArg_ParseTuple(args, "s#:fromstring", &ptr, &bytes)) - return NULL; -#endif - - if (display->dib->ysize * display->dib->linesize != bytes) { - PyErr_SetString(PyExc_ValueError, "wrong size"); - return NULL; - } - - memcpy(display->dib->bits, ptr, bytes); - - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject* -_tobytes(ImagingDisplayObject* display, PyObject* args) -{ -#if PY_VERSION_HEX >= 0x03000000 - if (!PyArg_ParseTuple(args, ":tobytes")) - return NULL; -#else - if (!PyArg_ParseTuple(args, ":tostring")) - return NULL; -#endif - - return PyBytes_FromStringAndSize( - display->dib->bits, display->dib->ysize * display->dib->linesize - ); -} - -static struct PyMethodDef methods[] = { - {"draw", (PyCFunction)_draw, 1}, - {"expose", (PyCFunction)_expose, 1}, - {"paste", (PyCFunction)_paste, 1}, - {"query_palette", (PyCFunction)_query_palette, 1}, - {"getdc", (PyCFunction)_getdc, 1}, - {"releasedc", (PyCFunction)_releasedc, 1}, - {"frombytes", (PyCFunction)_frombytes, 1}, - {"tobytes", (PyCFunction)_tobytes, 1}, - {"fromstring", (PyCFunction)_frombytes, 1}, - {"tostring", (PyCFunction)_tobytes, 1}, - {NULL, NULL} /* sentinel */ -}; - -static PyObject* -_getattr_mode(ImagingDisplayObject* self, void* closure) -{ - return Py_BuildValue("s", self->dib->mode); -} - -static PyObject* -_getattr_size(ImagingDisplayObject* self, void* closure) -{ - return Py_BuildValue("ii", self->dib->xsize, self->dib->ysize); -} - -static struct PyGetSetDef getsetters[] = { - { "mode", (getter) _getattr_mode }, - { "size", (getter) _getattr_size }, - { NULL } -}; - -static PyTypeObject ImagingDisplayType = { - PyVarObject_HEAD_INIT(NULL, 0) - "ImagingDisplay", /*tp_name*/ - sizeof(ImagingDisplayObject), /*tp_size*/ - 0, /*tp_itemsize*/ - /* methods */ - (destructor)_delete, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number */ - 0, /*tp_as_sequence */ - 0, /*tp_as_mapping */ - 0, /*tp_hash*/ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - 0, /*tp_doc*/ - 0, /*tp_traverse*/ - 0, /*tp_clear*/ - 0, /*tp_richcompare*/ - 0, /*tp_weaklistoffset*/ - 0, /*tp_iter*/ - 0, /*tp_iternext*/ - methods, /*tp_methods*/ - 0, /*tp_members*/ - getsetters, /*tp_getset*/ -}; - -PyObject* -PyImaging_DisplayWin32(PyObject* self, PyObject* args) -{ - ImagingDisplayObject* display; - char *mode; - int xsize, ysize; - - if (!PyArg_ParseTuple(args, "s(ii)", &mode, &xsize, &ysize)) - return NULL; - - display = _new(mode, xsize, ysize); - if (display == NULL) - return NULL; - - return (PyObject*) display; -} - -PyObject* -PyImaging_DisplayModeWin32(PyObject* self, PyObject* args) -{ - char *mode; - int size[2]; - - mode = ImagingGetModeDIB(size); - - return Py_BuildValue("s(ii)", mode, size[0], size[1]); -} - -/* -------------------------------------------------------------------- */ -/* Windows screen grabber */ - -PyObject* -PyImaging_GrabScreenWin32(PyObject* self, PyObject* args) -{ - int width, height; - HBITMAP bitmap; - BITMAPCOREHEADER core; - HDC screen, screen_copy; - PyObject* buffer; - - /* step 1: create a memory DC large enough to hold the - entire screen */ - - screen = CreateDC("DISPLAY", NULL, NULL, NULL); - screen_copy = CreateCompatibleDC(screen); - - width = GetDeviceCaps(screen, HORZRES); - height = GetDeviceCaps(screen, VERTRES); - - bitmap = CreateCompatibleBitmap(screen, width, height); - if (!bitmap) - goto error; - - if (!SelectObject(screen_copy, bitmap)) - goto error; - - /* step 2: copy bits into memory DC bitmap */ - - if (!BitBlt(screen_copy, 0, 0, width, height, screen, 0, 0, SRCCOPY)) - goto error; - - /* step 3: extract bits from bitmap */ - - buffer = PyBytes_FromStringAndSize(NULL, height * ((width*3 + 3) & -4)); - if (!buffer) - return NULL; - - core.bcSize = sizeof(core); - core.bcWidth = width; - core.bcHeight = height; - core.bcPlanes = 1; - core.bcBitCount = 24; - if (!GetDIBits(screen_copy, bitmap, 0, height, PyBytes_AS_STRING(buffer), - (BITMAPINFO*) &core, DIB_RGB_COLORS)) - goto error; - - DeleteObject(bitmap); - DeleteDC(screen_copy); - DeleteDC(screen); - - return Py_BuildValue("(ii)N", width, height, buffer); - -error: - PyErr_SetString(PyExc_IOError, "screen grab failed"); - - DeleteDC(screen_copy); - DeleteDC(screen); - - return NULL; -} - -static BOOL CALLBACK list_windows_callback(HWND hwnd, LPARAM lParam) -{ - PyObject* window_list = (PyObject*) lParam; - PyObject* item; - PyObject* title; - RECT inner, outer; - int title_size; - int status; - - /* get window title */ - title_size = GetWindowTextLength(hwnd); - if (title_size > 0) { - title = PyUnicode_FromStringAndSize(NULL, title_size); - if (title) - GetWindowTextW(hwnd, PyUnicode_AS_UNICODE(title), title_size+1); - } else - title = PyUnicode_FromString(""); - if (!title) - return 0; - - /* get bounding boxes */ - GetClientRect(hwnd, &inner); - GetWindowRect(hwnd, &outer); - - item = Py_BuildValue( - F_HANDLE "N(iiii)(iiii)", hwnd, title, - inner.left, inner.top, inner.right, inner.bottom, - outer.left, outer.top, outer.right, outer.bottom - ); - if (!item) - return 0; - - status = PyList_Append(window_list, item); - - Py_DECREF(item); - - if (status < 0) - return 0; - - return 1; -} - -PyObject* -PyImaging_ListWindowsWin32(PyObject* self, PyObject* args) -{ - PyObject* window_list; - - window_list = PyList_New(0); - if (!window_list) - return NULL; - - EnumWindows(list_windows_callback, (LPARAM) window_list); - - if (PyErr_Occurred()) { - Py_DECREF(window_list); - return NULL; - } - - return window_list; -} - -/* -------------------------------------------------------------------- */ -/* Windows clipboard grabber */ - -PyObject* -PyImaging_GrabClipboardWin32(PyObject* self, PyObject* args) -{ - int clip; - HANDLE handle; - int size; - void* data; - PyObject* result; - - int verbose = 0; /* debugging; will be removed in future versions */ - if (!PyArg_ParseTuple(args, "|i", &verbose)) - return NULL; - - - clip = OpenClipboard(NULL); - /* FIXME: check error status */ - - if (verbose) { - UINT format = EnumClipboardFormats(0); - char buffer[200]; - char* result; - while (format != 0) { - if (GetClipboardFormatName(format, buffer, sizeof buffer) > 0) - result = buffer; - else - switch (format) { - case CF_BITMAP: - result = "CF_BITMAP"; - break; - case CF_DIB: - result = "CF_DIB"; - break; - case CF_DIF: - result = "CF_DIF"; - break; - case CF_ENHMETAFILE: - result = "CF_ENHMETAFILE"; - break; - case CF_HDROP: - result = "CF_HDROP"; - break; - case CF_LOCALE: - result = "CF_LOCALE"; - break; - case CF_METAFILEPICT: - result = "CF_METAFILEPICT"; - break; - case CF_OEMTEXT: - result = "CF_OEMTEXT"; - break; - case CF_OWNERDISPLAY: - result = "CF_OWNERDISPLAY"; - break; - case CF_PALETTE: - result = "CF_PALETTE"; - break; - case CF_PENDATA: - result = "CF_PENDATA"; - break; - case CF_RIFF: - result = "CF_RIFF"; - break; - case CF_SYLK: - result = "CF_SYLK"; - break; - case CF_TEXT: - result = "CF_TEXT"; - break; - case CF_WAVE: - result = "CF_WAVE"; - break; - case CF_TIFF: - result = "CF_TIFF"; - break; - case CF_UNICODETEXT: - result = "CF_UNICODETEXT"; - break; - default: - sprintf(buffer, "[%d]", format); - result = buffer; - break; - } - printf("%s (%d)\n", result, format); - format = EnumClipboardFormats(format); - } - } - - handle = GetClipboardData(CF_DIB); - if (!handle) { - /* FIXME: add CF_HDROP support to allow cut-and-paste from - the explorer */ - CloseClipboard(); - Py_INCREF(Py_None); - return Py_None; - } - - size = GlobalSize(handle); - data = GlobalLock(handle); - -#if 0 - /* calculate proper size for string formats */ - if (format == CF_TEXT || format == CF_OEMTEXT) - size = strlen(data); - else if (format == CF_UNICODETEXT) - size = wcslen(data) * 2; -#endif - - result = PyBytes_FromStringAndSize(data, size); - - GlobalUnlock(handle); - - CloseClipboard(); - - return result; -} - -/* -------------------------------------------------------------------- */ -/* Windows class */ - -#ifndef WM_MOUSEWHEEL -#define WM_MOUSEWHEEL 522 -#endif - -static int mainloop = 0; - -static void -callback_error(const char* handler) -{ - PyObject* sys_stderr; - - sys_stderr = PySys_GetObject("stderr"); - - if (sys_stderr) { - PyFile_WriteString("*** ImageWin: error in ", sys_stderr); - PyFile_WriteString((char*) handler, sys_stderr); - PyFile_WriteString(":\n", sys_stderr); - } - - PyErr_Print(); - PyErr_Clear(); -} - -static LRESULT CALLBACK -windowCallback(HWND wnd, UINT message, WPARAM wParam, LPARAM lParam) -{ - PAINTSTRUCT ps; - PyObject* callback = NULL; - PyObject* result; - PyThreadState* threadstate; - PyThreadState* current_threadstate; - HDC dc; - RECT rect; - LRESULT status = 0; - - /* set up threadstate for messages that calls back into python */ - switch (message) { - case WM_CREATE: - mainloop++; - break; - case WM_DESTROY: - mainloop--; - /* fall through... */ - case WM_PAINT: - case WM_SIZE: - callback = (PyObject*) GetWindowLongPtr(wnd, 0); - if (callback) { - threadstate = (PyThreadState*) - GetWindowLongPtr(wnd, sizeof(PyObject*)); - current_threadstate = PyThreadState_Swap(NULL); - PyEval_RestoreThread(threadstate); - } else - return DefWindowProc(wnd, message, wParam, lParam); - } - - /* process message */ - switch (message) { - - case WM_PAINT: - /* redraw (part of) window. this generates a WCK-style - damage/clear/repair cascade */ - BeginPaint(wnd, &ps); - dc = GetDC(wnd); - GetWindowRect(wnd, &rect); /* in screen coordinates */ - - result = PyObject_CallFunction( - callback, "siiii", "damage", - ps.rcPaint.left, ps.rcPaint.top, - ps.rcPaint.right, ps.rcPaint.bottom - ); - if (result) - Py_DECREF(result); - else - callback_error("window damage callback"); - - result = PyObject_CallFunction( - callback, "s" F_HANDLE "iiii", "clear", dc, - 0, 0, rect.right-rect.left, rect.bottom-rect.top - ); - if (result) - Py_DECREF(result); - else - callback_error("window clear callback"); - - result = PyObject_CallFunction( - callback, "s" F_HANDLE "iiii", "repair", dc, - 0, 0, rect.right-rect.left, rect.bottom-rect.top - ); - if (result) - Py_DECREF(result); - else - callback_error("window repair callback"); - - ReleaseDC(wnd, dc); - EndPaint(wnd, &ps); - break; - - case WM_SIZE: - /* resize window */ - result = PyObject_CallFunction( - callback, "sii", "resize", LOWORD(lParam), HIWORD(lParam) - ); - if (result) { - InvalidateRect(wnd, NULL, 1); - Py_DECREF(result); - } else - callback_error("window resize callback"); - break; - - case WM_DESTROY: - /* destroy window */ - result = PyObject_CallFunction(callback, "s", "destroy"); - if (result) - Py_DECREF(result); - else - callback_error("window destroy callback"); - Py_DECREF(callback); - break; - - default: - status = DefWindowProc(wnd, message, wParam, lParam); - } - - if (callback) { - /* restore thread state */ - PyEval_SaveThread(); - PyThreadState_Swap(threadstate); - } - - return status; -} - -PyObject* -PyImaging_CreateWindowWin32(PyObject* self, PyObject* args) -{ - HWND wnd; - WNDCLASS windowClass; - - char* title; - PyObject* callback; - int width = 0, height = 0; - if (!PyArg_ParseTuple(args, "sO|ii", &title, &callback, &width, &height)) - return NULL; - - if (width <= 0) - width = CW_USEDEFAULT; - if (height <= 0) - height = CW_USEDEFAULT; - - /* register toplevel window class */ - windowClass.style = CS_CLASSDC; - windowClass.cbClsExtra = 0; - windowClass.cbWndExtra = sizeof(PyObject*) + sizeof(PyThreadState*); - windowClass.hInstance = GetModuleHandle(NULL); - /* windowClass.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1); */ - windowClass.hbrBackground = NULL; - windowClass.lpszMenuName = NULL; - windowClass.lpszClassName = "pilWindow"; - windowClass.lpfnWndProc = windowCallback; - windowClass.hIcon = LoadIcon(GetModuleHandle(NULL), MAKEINTRESOURCE(1)); - windowClass.hCursor = LoadCursor(NULL, IDC_ARROW); /* CROSS? */ - - RegisterClass(&windowClass); /* FIXME: check return status */ - - wnd = CreateWindowEx( - 0, windowClass.lpszClassName, title, - WS_OVERLAPPEDWINDOW, - CW_USEDEFAULT, CW_USEDEFAULT, width, height, - HWND_DESKTOP, NULL, NULL, NULL - ); - - if (!wnd) { - PyErr_SetString(PyExc_IOError, "failed to create window"); - return NULL; - } - - /* register window callback */ - Py_INCREF(callback); - SetWindowLongPtr(wnd, 0, (LONG_PTR) callback); - SetWindowLongPtr(wnd, sizeof(callback), (LONG_PTR) PyThreadState_Get()); - - Py_BEGIN_ALLOW_THREADS - ShowWindow(wnd, SW_SHOWNORMAL); - SetForegroundWindow(wnd); /* to make sure it's visible */ - Py_END_ALLOW_THREADS - - return Py_BuildValue(F_HANDLE, wnd); -} - -PyObject* -PyImaging_EventLoopWin32(PyObject* self, PyObject* args) -{ - MSG msg; - - Py_BEGIN_ALLOW_THREADS - while (mainloop && GetMessage(&msg, NULL, 0, 0)) { - TranslateMessage(&msg); - DispatchMessage(&msg); - } - Py_END_ALLOW_THREADS - - Py_INCREF(Py_None); - return Py_None; -} - -/* -------------------------------------------------------------------- */ -/* windows WMF renderer */ - -#define GET32(p,o) ((DWORD*)(p+o))[0] - -PyObject * -PyImaging_DrawWmf(PyObject* self, PyObject* args) -{ - HBITMAP bitmap; - HENHMETAFILE meta; - BITMAPCOREHEADER core; - HDC dc; - RECT rect; - PyObject* buffer = NULL; - char* ptr; - - char* data; - int datasize; - int width, height; - int x0, y0, x1, y1; - if (!PyArg_ParseTuple(args, PY_ARG_BYTES_LENGTH"(ii)(iiii):_load", &data, &datasize, - &width, &height, &x0, &x1, &y0, &y1)) - return NULL; - - /* step 1: copy metafile contents into METAFILE object */ - - if (datasize > 22 && GET32(data, 0) == 0x9ac6cdd7) { - - /* placeable windows metafile (22-byte aldus header) */ - meta = SetWinMetaFileBits(datasize-22, data+22, NULL, NULL); - - } else if (datasize > 80 && GET32(data, 0) == 1 && - GET32(data, 40) == 0x464d4520) { - - /* enhanced metafile */ - meta = SetEnhMetaFileBits(datasize, data); - - } else { - - /* unknown meta format */ - meta = NULL; - - } - - if (!meta) { - PyErr_SetString(PyExc_IOError, "cannot load metafile"); - return NULL; - } - - /* step 2: create bitmap */ - - core.bcSize = sizeof(core); - core.bcWidth = width; - core.bcHeight = height; - core.bcPlanes = 1; - core.bcBitCount = 24; - - dc = CreateCompatibleDC(NULL); - - bitmap = CreateDIBSection( - dc, (BITMAPINFO*) &core, DIB_RGB_COLORS, &ptr, NULL, 0 - ); - - if (!bitmap) { - PyErr_SetString(PyExc_IOError, "cannot create bitmap"); - goto error; - } - - if (!SelectObject(dc, bitmap)) { - PyErr_SetString(PyExc_IOError, "cannot select bitmap"); - goto error; - } - - /* step 3: render metafile into bitmap */ - - rect.left = rect.top = 0; - rect.right = width; - rect.bottom = height; - - /* FIXME: make background transparent? configurable? */ - FillRect(dc, &rect, GetStockObject(WHITE_BRUSH)); - - if (!PlayEnhMetaFile(dc, meta, &rect)) { - PyErr_SetString(PyExc_IOError, "cannot render metafile"); - goto error; - } - - /* step 4: extract bits from bitmap */ - - GdiFlush(); - - buffer = PyBytes_FromStringAndSize(ptr, height * ((width*3 + 3) & -4)); - -error: - DeleteEnhMetaFile(meta); - - if (bitmap) - DeleteObject(bitmap); - - DeleteDC(dc); - - return buffer; -} - -#endif /* _WIN32 */ diff --git a/docs/COPYING b/docs/COPYING index 5d10c7364c5..25f03b34312 100644 --- a/docs/COPYING +++ b/docs/COPYING @@ -5,9 +5,9 @@ The Python Imaging Library (PIL) is Pillow is the friendly PIL fork. It is - Copyright © 2016 by Alex Clark and contributors + Copyright © 2010-2022 by Alex Clark and contributors -Like PIL, Pillow is licensed under the MIT-like open source PIL +Like PIL, Pillow is licensed under the open source PIL Software License: By obtaining, using, and/or copying this software and/or its diff --git a/docs/Guardfile b/docs/Guardfile old mode 100644 new mode 100755 index f8f3051ed9e..b689b079aea --- a/docs/Guardfile +++ b/docs/Guardfile @@ -1,10 +1,8 @@ -#!/usr/bin/env python -from livereload.task import Task +#!/usr/bin/env python3 from livereload.compiler import shell +from livereload.task import Task Task.add('*.rst', shell('make html')) Task.add('*/*.rst', shell('make html')) -Task.add('_static/*.css', shell('make clean html')) -Task.add('_templates/*', shell('make clean html')) Task.add('Makefile', shell('make html')) Task.add('conf.py', shell('make html')) diff --git a/docs/Makefile b/docs/Makefile index 1a912039ec9..686f0119e37 100644 --- a/docs/Makefile +++ b/docs/Makefile @@ -42,7 +42,7 @@ clean: -rm -rf $(BUILDDIR)/* html: - $(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html + $(SPHINXBUILD) -b html -W --keep-going $(ALLSPHINXOPTS) $(BUILDDIR)/html @echo @echo "Build finished. The HTML pages are in $(BUILDDIR)/html." @@ -142,7 +142,7 @@ changes: @echo "The overview file is in $(BUILDDIR)/changes." linkcheck: - $(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck + $(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck -j auto @echo @echo "Link check complete; look for any errors in the above output " \ "or in $(BUILDDIR)/linkcheck/output.txt." @@ -156,4 +156,4 @@ livehtml: html livereload $(BUILDDIR)/html -p 33233 serve: - cd $(BUILDDIR)/html; python -m SimpleHTTPServer + cd $(BUILDDIR)/html; python3 -m http.server diff --git a/docs/PIL.rst b/docs/PIL.rst index 67edb990192..fa036b9ccfe 100644 --- a/docs/PIL.rst +++ b/docs/PIL.rst @@ -4,108 +4,97 @@ PIL Package (autodoc of remaining modules) Reference for modules whose documentation has not yet been ported or written can be found here. -:mod:`BdfFontFile` Module -------------------------- +:mod:`PIL` Module +----------------- + +.. py:module:: PIL + +.. autoexception:: UnidentifiedImageError + :show-inheritance: + +:mod:`~PIL.BdfFontFile` Module +------------------------------ .. automodule:: PIL.BdfFontFile :members: :undoc-members: :show-inheritance: -:mod:`ContainerIO` Module -------------------------- +:mod:`~PIL.ContainerIO` Module +------------------------------ .. automodule:: PIL.ContainerIO :members: :undoc-members: :show-inheritance: -:mod:`FontFile` Module ----------------------- +:mod:`~PIL.FontFile` Module +--------------------------- .. automodule:: PIL.FontFile :members: :undoc-members: :show-inheritance: -:mod:`GdImageFile` Module -------------------------- +:mod:`~PIL.GdImageFile` Module +------------------------------ .. automodule:: PIL.GdImageFile :members: :undoc-members: :show-inheritance: -:mod:`GimpGradientFile` Module ------------------------------- +:mod:`~PIL.GimpGradientFile` Module +----------------------------------- .. automodule:: PIL.GimpGradientFile :members: :undoc-members: :show-inheritance: -:mod:`GimpPaletteFile` Module ------------------------------ +:mod:`~PIL.GimpPaletteFile` Module +---------------------------------- .. automodule:: PIL.GimpPaletteFile :members: :undoc-members: :show-inheritance: -.. intentionally skipped documenting this because it's not documented anywhere - -:mod:`ImageDraw2` Module ------------------------- +:mod:`~PIL.ImageDraw2` Module +----------------------------- .. automodule:: PIL.ImageDraw2 :members: + :member-order: bysource :undoc-members: :show-inheritance: -.. intentionally skipped documenting this because it's deprecated - -:mod:`ImageShow` Module ------------------------ - -.. automodule:: PIL.ImageShow - :members: - :undoc-members: - :show-inheritance: - -:mod:`ImageTransform` Module ----------------------------- +:mod:`~PIL.ImageTransform` Module +--------------------------------- .. automodule:: PIL.ImageTransform :members: :undoc-members: :show-inheritance: -:mod:`JpegPresets` Module -------------------------- - -.. automodule:: PIL.JpegPresets - :members: - :undoc-members: - :show-inheritance: - -:mod:`PaletteFile` Module -------------------------- +:mod:`~PIL.PaletteFile` Module +------------------------------ .. automodule:: PIL.PaletteFile :members: :undoc-members: :show-inheritance: -:mod:`PcfFontFile` Module -------------------------- +:mod:`~PIL.PcfFontFile` Module +------------------------------ .. automodule:: PIL.PcfFontFile :members: :undoc-members: :show-inheritance: -:class:`PngImagePlugin.iTXt` Class ----------------------------------- +:class:`.PngImagePlugin.iTXt` Class +----------------------------------- .. autoclass:: PIL.PngImagePlugin.iTXt :members: @@ -118,8 +107,8 @@ can be found here. :param lang: language code :param tkey: UTF-8 version of the key name -:class:`PngImagePlugin.PngInfo` Class -------------------------------------- +:class:`.PngImagePlugin.PngInfo` Class +-------------------------------------- .. autoclass:: PIL.PngImagePlugin.PngInfo :members: @@ -127,27 +116,18 @@ can be found here. :show-inheritance: -:mod:`TarIO` Module -------------------- +:mod:`~PIL.TarIO` Module +------------------------ .. automodule:: PIL.TarIO :members: :undoc-members: :show-inheritance: -:mod:`WalImageFile` Module --------------------------- +:mod:`~PIL.WalImageFile` Module +------------------------------- .. automodule:: PIL.WalImageFile :members: :undoc-members: :show-inheritance: - -:mod:`_binary` Module ---------------------- - -.. automodule:: PIL._binary - :members: - :undoc-members: - :show-inheritance: - diff --git a/docs/_static/.gitignore b/docs/_static/.gitignore deleted file mode 100644 index b1f9a2ade2a..00000000000 --- a/docs/_static/.gitignore +++ /dev/null @@ -1 +0,0 @@ -# Empty file, to make the directory available in the repository diff --git a/docs/_templates/.gitignore b/docs/_templates/.gitignore deleted file mode 100644 index b1f9a2ade2a..00000000000 --- a/docs/_templates/.gitignore +++ /dev/null @@ -1 +0,0 @@ -# Empty file, to make the directory available in the repository diff --git a/docs/_templates/sidebarhelp.html b/docs/_templates/sidebarhelp.html deleted file mode 100644 index e07180a9994..00000000000 --- a/docs/_templates/sidebarhelp.html +++ /dev/null @@ -1,4 +0,0 @@ -

Need help?

-

- You can get help via IRC at irc://irc.freenode.net#pil or Stack Overflow here and here. Please report issues on GitHub. -

diff --git a/docs/about.rst b/docs/about.rst index 2f97020cab5..96885d08db0 100644 --- a/docs/about.rst +++ b/docs/about.rst @@ -6,19 +6,20 @@ Goals The fork author's goal is to foster and support active development of PIL through: -- Continuous integration testing via `Travis CI`_ and `AppVeyor`_ +- Continuous integration testing via `GitHub Actions`_, `AppVeyor`_ and `Travis CI`_ - Publicized development activity on `GitHub`_ - Regular releases to the `Python Package Index`_ -.. _Travis CI: https://travis-ci.org/python-pillow/Pillow +.. _GitHub Actions: https://github.com/python-pillow/Pillow/actions .. _AppVeyor: https://ci.appveyor.com/project/Python-pillow/pillow +.. _Travis CI: https://travis-ci.com/github/python-pillow/pillow-wheels .. _GitHub: https://github.com/python-pillow/Pillow -.. _Python Package Index: https://pypi.python.org/pypi/Pillow +.. _Python Package Index: https://pypi.org/project/Pillow/ License ------- -Like PIL, Pillow is `licensed under the MIT-like open source PIL Software License `_ +Like PIL, Pillow is `licensed under the open source HPND License `_ Why a fork? ----------- @@ -35,10 +36,4 @@ What about PIL? Prior to Pillow 2.0.0, very few image code changes were made. Pillow 2.0.0 added Python 3 support and includes many bug fixes from many contributors. -As more time passes since the last PIL release, the likelihood of a new PIL release decreases. However, we've yet to hear an official "PIL is dead" announcement. So if you still want to support PIL, please `report issues here first`_, then `open corresponding Pillow tickets here`_. - -.. _report issues here first: https://bitbucket.org/effbot/pil-2009-raclette/issues - -.. _open corresponding Pillow tickets here: https://github.com/python-pillow/Pillow/issues - -Please provide a link to the first ticket so we can track the issue(s) upstream. +As more time passes since the last PIL release (1.1.7 in 2009), the likelihood of a new PIL release decreases. However, we've yet to hear an official "PIL is dead" announcement. diff --git a/docs/conf.py b/docs/conf.py index f66bea521ef..7bbe8c4c96f 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -1,4 +1,3 @@ -# -*- coding: utf-8 -*- # # Pillow (PIL Fork) documentation build configuration file, created by # sphinx-quickstart on Sat Apr 4 07:54:11 2015. @@ -12,54 +11,59 @@ # All configuration values have a default; values that are commented out # serve to show the default. -import sys -import os -import shlex - # If extensions (or modules to document with autodoc) are in another directory, # add these directories to sys.path here. If the directory is relative to the # documentation root, use os.path.abspath to make it absolute, like shown here. -#sys.path.insert(0, os.path.abspath('.')) +# sys.path.insert(0, os.path.abspath('.')) + +import sphinx_rtd_theme + +import PIL # -- General configuration ------------------------------------------------ # If your documentation needs a minimal Sphinx version, state it here. -#needs_sphinx = '1.0' +needs_sphinx = "2.4" # Add any Sphinx extension module names here, as strings. They can be # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom # ones. -extensions = ['sphinx.ext.autodoc', 'sphinx.ext.viewcode', - 'sphinx.ext.intersphinx'] +extensions = [ + "sphinx_copybutton", + "sphinx_issues", + "sphinx_removed_in", + "sphinx.ext.autodoc", + "sphinx.ext.intersphinx", + "sphinx.ext.viewcode", + "sphinxext.opengraph", +] -# Add any paths that contain templates here, relative to this directory. -templates_path = ['_templates'] +intersphinx_mapping = {"python": ("https://docs.python.org/3", None)} # The suffix(es) of source filenames. # You can specify multiple suffix as a list of string: # source_suffix = ['.rst', '.md'] -source_suffix = '.rst' +source_suffix = ".rst" # The encoding of source files. -#source_encoding = 'utf-8-sig' +# source_encoding = 'utf-8-sig' # The master toctree document. -master_doc = 'index' +master_doc = "index" # General information about the project. -project = u'Pillow (PIL Fork)' -copyright = u'1995-2016, Fredrik Lundh and Contributors, Alex Clark and Contributors' -author = u'Fredrik Lundh and Contributors, Alex Clark and Contributors' +project = "Pillow (PIL Fork)" +copyright = "1995-2011 Fredrik Lundh, 2010-2022 Alex Clark and Contributors" +author = "Fredrik Lundh, Alex Clark and Contributors" # The version info for the project you're documenting, acts as replacement for # |version| and |release|, also used in various other places throughout the # built documents. # # The short X.Y version. -import PIL -version = PIL.PILLOW_VERSION +version = PIL.__version__ # The full version, including alpha/beta/rc tags. -release = PIL.PILLOW_VERSION +release = PIL.__version__ # The language for content autogenerated by Sphinx. Refer to documentation # for a list of supported languages. @@ -70,186 +74,198 @@ # There are two options for replacing |today|: either, you set today to some # non-false value, then it is used: -#today = '' +# today = '' # Else, today_fmt is used as the format for a strftime call. -#today_fmt = '%B %d, %Y' +# today_fmt = '%B %d, %Y' # List of patterns, relative to source directory, that match files and # directories to ignore when looking for source files. -exclude_patterns = ['_build'] +exclude_patterns = ["_build", "releasenotes/template.rst"] # The reST default role (used for this markup: `text`) to use for all # documents. -#default_role = None +# default_role = None # If true, '()' will be appended to :func: etc. cross-reference text. -#add_function_parentheses = True +# add_function_parentheses = True # If true, the current module name will be prepended to all description # unit titles (such as .. function::). -#add_module_names = True +# add_module_names = True # If true, sectionauthor and moduleauthor directives will be shown in the # output. They are ignored by default. -#show_authors = False +# show_authors = False # The name of the Pygments (syntax highlighting) style to use. -pygments_style = 'sphinx' +pygments_style = "sphinx" # A list of ignored prefixes for module index sorting. -#modindex_common_prefix = [] +# modindex_common_prefix = [] # If true, keep warnings as "system message" paragraphs in the built documents. -#keep_warnings = False +# keep_warnings = False # If true, `todo` and `todoList` produce output, else they produce nothing. todo_include_todos = False +# If true, Sphinx will warn about all references where the target cannot be found. +# Default is False. You can activate this mode temporarily using the -n command-line +# switch. +nitpicky = True + +# A list of (type, target) tuples (by default empty) that should be ignored when +# generating warnings in “nitpicky mode”. Note that type should include the domain name +# if present. Example entries would be ('py:func', 'int') or +# ('envvar', 'LD_LIBRARY_PATH'). +# nitpick_ignore = [] + # -- Options for HTML output ---------------------------------------------- # The theme to use for HTML and HTML Help pages. See the documentation for # a list of builtin themes. -import sphinx_rtd_theme html_theme = "sphinx_rtd_theme" html_theme_path = [sphinx_rtd_theme.get_html_theme_path()] # Theme options are theme-specific and customize the look and feel of a theme # further. For a list of options available for each theme, see the # documentation. -#html_theme_options = {} +# html_theme_options = {} # Add any paths that contain custom themes here, relative to this directory. -#html_theme_path = [] +# html_theme_path = [] # The name for this set of Sphinx documents. If None, it defaults to # " v documentation". -#html_title = None +# html_title = None # A shorter title for the navigation bar. Default is the same as html_title. -#html_short_title = None +# html_short_title = None # The name of an image file (relative to this directory) to place at the top # of the sidebar. -#html_logo = None +html_logo = "resources/pillow-logo.png" # The name of an image file (within the static path) to use as favicon of the # docs. This file should be a Windows icon file (.ico) being 16x16 or 32x32 # pixels large. -#html_favicon = None +html_favicon = "resources/favicon.ico" # Add any paths that contain custom static files (such as style sheets) here, # relative to this directory. They are copied after the builtin static files, # so a file named "default.css" will overwrite the builtin "default.css". -html_static_path = ['_static'] +html_static_path = ["resources"] # Add any extra paths that contain custom files (such as robots.txt or # .htaccess) here, relative to this directory. These files are copied # directly to the root of the documentation. -#html_extra_path = [] +# html_extra_path = [] # If not '', a 'Last updated on:' timestamp is inserted at every page bottom, # using the given strftime format. -#html_last_updated_fmt = '%b %d, %Y' +# html_last_updated_fmt = '%b %d, %Y' # If true, SmartyPants will be used to convert quotes and dashes to # typographically correct entities. -#html_use_smartypants = True +# html_use_smartypants = True # Custom sidebar templates, maps document names to template names. -#html_sidebars = {} +# html_sidebars = {} # Additional templates that should be rendered to pages, maps page names to # template names. -#html_additional_pages = {} +# html_additional_pages = {} # If false, no module index is generated. -#html_domain_indices = True +# html_domain_indices = True # If false, no index is generated. -#html_use_index = True +# html_use_index = True # If true, the index is split into individual pages for each letter. -#html_split_index = False +# html_split_index = False # If true, links to the reST sources are added to the pages. -#html_show_sourcelink = True +# html_show_sourcelink = True # If true, "Created using Sphinx" is shown in the HTML footer. Default is True. -#html_show_sphinx = True +# html_show_sphinx = True # If true, "(C) Copyright ..." is shown in the HTML footer. Default is True. -#html_show_copyright = True +# html_show_copyright = True # If true, an OpenSearch description file will be output, and all pages will # contain a tag referring to it. The value of this option must be the # base URL from which the finished HTML is served. -#html_use_opensearch = '' +# html_use_opensearch = '' # This is the file name suffix for HTML files (e.g. ".xhtml"). -#html_file_suffix = None +# html_file_suffix = None # Language to be used for generating the HTML full-text search index. # Sphinx supports the following languages: # 'da', 'de', 'en', 'es', 'fi', 'fr', 'hu', 'it', 'ja' # 'nl', 'no', 'pt', 'ro', 'ru', 'sv', 'tr' -#html_search_language = 'en' +# html_search_language = 'en' # A dictionary with options for the search language support, empty by default. # Now only 'ja' uses this config value -#html_search_options = {'type': 'default'} +# html_search_options = {'type': 'default'} # The name of a javascript file (relative to the configuration directory) that # implements a search results scorer. If empty, the default will be used. -#html_search_scorer = 'scorer.js' +# html_search_scorer = 'scorer.js' # Output file base name for HTML help builder. -htmlhelp_basename = 'PillowPILForkdoc' +htmlhelp_basename = "PillowPILForkdoc" # -- Options for LaTeX output --------------------------------------------- latex_elements = { -# The paper size ('letterpaper' or 'a4paper'). -#'papersize': 'letterpaper', - -# The font size ('10pt', '11pt' or '12pt'). -#'pointsize': '10pt', - -# Additional stuff for the LaTeX preamble. -#'preamble': '', - -# Latex figure (float) alignment -#'figure_align': 'htbp', + # The paper size ('letterpaper' or 'a4paper'). + # 'papersize': 'letterpaper', + # The font size ('10pt', '11pt' or '12pt'). + # 'pointsize': '10pt', + # Additional stuff for the LaTeX preamble. + # 'preamble': '', + # Latex figure (float) alignment + # 'figure_align': 'htbp', } # Grouping the document tree into LaTeX files. List of tuples # (source start file, target name, title, # author, documentclass [howto, manual, or own class]). latex_documents = [ - (master_doc, 'PillowPILFork.tex', u'Pillow (PIL Fork) Documentation', - u'Alex Clark', 'manual'), + ( + master_doc, + "PillowPILFork.tex", + "Pillow (PIL Fork) Documentation", + "Alex Clark", + "manual", + ) ] # The name of an image file (relative to this directory) to place at the top of # the title page. -#latex_logo = None +# latex_logo = None # For "manual" documents, if this is true, then toplevel headings are parts, # not chapters. -#latex_use_parts = False +# latex_use_parts = False # If true, show page references after internal links. -#latex_show_pagerefs = False +# latex_show_pagerefs = False # If true, show URL addresses after external links. -#latex_show_urls = False +# latex_show_urls = False # Documents to append as an appendix to all manuals. -#latex_appendices = [] +# latex_appendices = [] # If false, no module index is generated. -#latex_domain_indices = True +# latex_domain_indices = True # -- Options for manual page output --------------------------------------- @@ -257,12 +273,11 @@ # One entry per manual page. List of tuples # (source start file, name, description, authors, manual section). man_pages = [ - (master_doc, 'pillowpilfork', u'Pillow (PIL Fork) Documentation', - [author], 1) + (master_doc, "pillowpilfork", "Pillow (PIL Fork) Documentation", [author], 1) ] # If true, show URL addresses after external links. -#man_show_urls = False +# man_show_urls = False # -- Options for Texinfo output ------------------------------------------- @@ -271,19 +286,43 @@ # (source start file, target name, title, author, # dir menu entry, description, category) texinfo_documents = [ - (master_doc, 'PillowPILFork', u'Pillow (PIL Fork) Documentation', - author, 'PillowPILFork', 'Pillow is the friendly PIL fork by Alex Clark and Contributors.', - 'Miscellaneous'), + ( + master_doc, + "PillowPILFork", + "Pillow (PIL Fork) Documentation", + author, + "PillowPILFork", + "Pillow is the friendly PIL fork by Alex Clark and Contributors.", + "Miscellaneous", + ) ] # Documents to append as an appendix to all manuals. -#texinfo_appendices = [] +# texinfo_appendices = [] # If false, no module index is generated. -#texinfo_domain_indices = True +# texinfo_domain_indices = True # How to display URL addresses: 'footnote', 'no', or 'inline'. -#texinfo_show_urls = 'footnote' +# texinfo_show_urls = 'footnote' # If true, do not generate a @detailmenu in the "Top" node's menu. -#texinfo_no_detailmenu = False +# texinfo_no_detailmenu = False + + +def setup(app): + app.add_js_file("js/script.js") + app.add_css_file("css/styles.css") + app.add_css_file("css/dark.css") + app.add_css_file("css/light.css") + + +# GitHub repo for sphinx-issues +issues_github_path = "python-pillow/Pillow" + +# sphinxext.opengraph +ogp_image = ( + "https://raw.githubusercontent.com/python-pillow/pillow-logo/main/" + "pillow-logo-dark-text-1280x640.png" +) +ogp_image_alt = "Pillow" diff --git a/docs/deprecations.rst b/docs/deprecations.rst new file mode 100644 index 00000000000..ce30fdf3b92 --- /dev/null +++ b/docs/deprecations.rst @@ -0,0 +1,279 @@ +.. _deprecations: + +Deprecations and removals +========================= + +This page lists Pillow features that are deprecated, or have been removed in +past major releases, and gives the alternatives to use instead. + +Deprecated features +------------------- + +Below are features which are considered deprecated. Where appropriate, +a ``DeprecationWarning`` is issued. + +Tk/Tcl 8.4 +~~~~~~~~~~ + +.. deprecated:: 8.2.0 + +Support for Tk/Tcl 8.4 is deprecated and will be removed in Pillow 10.0.0 (2023-07-01), +when Tk/Tcl 8.5 will be the minimum supported. + +Categories +~~~~~~~~~~ + +.. deprecated:: 8.2.0 + +``im.category`` is deprecated and will be removed in Pillow 10.0.0 (2023-07-01), +along with the related ``Image.NORMAL``, ``Image.SEQUENCE`` and +``Image.CONTAINER`` attributes. + +To determine if an image has multiple frames or not, +``getattr(im, "is_animated", False)`` can be used instead. + +JpegImagePlugin.convert_dict_qtables +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 8.3.0 + +JPEG ``quantization`` is now automatically converted, but still returned as a +dictionary. The :py:attr:`~PIL.JpegImagePlugin.convert_dict_qtables` method no longer +performs any operations on the data given to it, has been deprecated and will be +removed in Pillow 10.0.0 (2023-07-01). + +ImagePalette size parameter +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 8.4.0 + +The ``size`` parameter will be removed in Pillow 10.0.0 (2023-07-01). + +Before Pillow 8.3.0, ``ImagePalette`` required palette data of particular lengths by +default, and the size parameter could be used to override that. Pillow 8.3.0 removed +the default required length, also removing the need for the size parameter. + +Removed features +---------------- + +Deprecated features are only removed in major releases after an appropriate +period of deprecation has passed. + +PILLOW_VERSION constant +~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 5.2.0 +.. versionremoved:: 9.0.0 + +Use ``__version__`` instead. + +It was initially removed in Pillow 7.0.0, but temporarily brought back in 7.1.0 +to give projects more time to upgrade. + +Image.show command parameter +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 7.2.0 +.. versionremoved:: 9.0.0 + +The ``command`` parameter has been removed. Use a subclass of +:py:class:`.ImageShow.Viewer` instead. + +Image._showxv +~~~~~~~~~~~~~ + +.. deprecated:: 7.2.0 +.. versionremoved:: 9.0.0 + +Use :py:meth:`.Image.Image.show` instead. If custom behaviour is required, use +:py:func:`.ImageShow.register` to add a custom :py:class:`.ImageShow.Viewer` class. + +ImageFile.raise_ioerror +~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 7.2.0 +.. versionremoved:: 9.0.0 + +``IOError`` was merged into ``OSError`` in Python 3.3. +So, ``ImageFile.raise_ioerror`` has been removed. +Use ``ImageFile.raise_oserror`` instead. + +FreeType 2.7 +~~~~~~~~~~~~ + +.. deprecated:: 8.1.0 +.. versionremoved:: 9.0.0 + +Support for FreeType 2.7 has been removed. + +We recommend upgrading to at least `FreeType`_ 2.10.4, which fixed a severe +vulnerability introduced in FreeType 2.6 (:cve:`CVE-2020-15999`). + +.. _FreeType: https://www.freetype.org + +im.offset +~~~~~~~~~ + +.. deprecated:: 1.1.2 +.. versionremoved:: 8.0.0 + +``im.offset()`` has been removed, call :py:func:`.ImageChops.offset()` instead. + +It was documented as deprecated in PIL 1.1.2, +raised a ``DeprecationWarning`` since 1.1.5, +an ``Exception`` since Pillow 3.0.0 +and ``NotImplementedError`` since 3.3.0. + +Image.fromstring, im.fromstring and im.tostring +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 2.0.0 +.. versionremoved:: 8.0.0 + +* ``Image.fromstring()`` has been removed, call :py:func:`.Image.frombytes()` instead. +* ``im.fromstring()`` has been removed, call :py:meth:`~PIL.Image.Image.frombytes()` instead. +* ``im.tostring()`` has been removed, call :py:meth:`~PIL.Image.Image.tobytes()` instead. + +They issued a ``DeprecationWarning`` since 2.0.0, +an ``Exception`` since 3.0.0 +and ``NotImplementedError`` since 3.3.0. + +ImageCms.CmsProfile attributes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 3.2.0 +.. versionremoved:: 8.0.0 + +Some attributes in :py:class:`PIL.ImageCms.CmsProfile` have been removed. From 6.0.0, +they issued a ``DeprecationWarning``: + +======================== =================================================== +Removed Use instead +======================== =================================================== +``color_space`` Padded :py:attr:`~.CmsProfile.xcolor_space` +``pcs`` Padded :py:attr:`~.CmsProfile.connection_space` +``product_copyright`` Unicode :py:attr:`~.CmsProfile.copyright` +``product_desc`` Unicode :py:attr:`~.CmsProfile.profile_description` +``product_description`` Unicode :py:attr:`~.CmsProfile.profile_description` +``product_manufacturer`` Unicode :py:attr:`~.CmsProfile.manufacturer` +``product_model`` Unicode :py:attr:`~.CmsProfile.model` +======================== =================================================== + +Python 2.7 +~~~~~~~~~~ + +.. deprecated:: 6.0.0 +.. versionremoved:: 7.0.0 + +Python 2.7 reached end-of-life on 2020-01-01. Pillow 6.x was the last series to +support Python 2. + +Image.__del__ +~~~~~~~~~~~~~ + +.. deprecated:: 6.1.0 +.. versionremoved:: 7.0.0 + +Implicitly closing the image's underlying file in ``Image.__del__`` has been removed. +Use a context manager or call ``Image.close()`` instead to close the file in a +deterministic way. + +Previous method: + +.. code-block:: python + + im = Image.open("hopper.png") + im.save("out.jpg") + +Use instead: + +.. code-block:: python + + with Image.open("hopper.png") as im: + im.save("out.jpg") + +PIL.*ImagePlugin.__version__ attributes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 6.0.0 +.. versionremoved:: 7.0.0 + +The version constants of individual plugins have been removed. Use ``PIL.__version__`` +instead. + +=============================== ================================= ================================== +Removed Removed Removed +=============================== ================================= ================================== +``BmpImagePlugin.__version__`` ``Jpeg2KImagePlugin.__version__`` ``PngImagePlugin.__version__`` +``CurImagePlugin.__version__`` ``JpegImagePlugin.__version__`` ``PpmImagePlugin.__version__`` +``DcxImagePlugin.__version__`` ``McIdasImagePlugin.__version__`` ``PsdImagePlugin.__version__`` +``EpsImagePlugin.__version__`` ``MicImagePlugin.__version__`` ``SgiImagePlugin.__version__`` +``FliImagePlugin.__version__`` ``MpegImagePlugin.__version__`` ``SunImagePlugin.__version__`` +``FpxImagePlugin.__version__`` ``MpoImagePlugin.__version__`` ``TgaImagePlugin.__version__`` +``GdImageFile.__version__`` ``MspImagePlugin.__version__`` ``TiffImagePlugin.__version__`` +``GifImagePlugin.__version__`` ``PalmImagePlugin.__version__`` ``WmfImagePlugin.__version__`` +``IcoImagePlugin.__version__`` ``PcdImagePlugin.__version__`` ``XbmImagePlugin.__version__`` +``ImImagePlugin.__version__`` ``PcxImagePlugin.__version__`` ``XpmImagePlugin.__version__`` +``ImtImagePlugin.__version__`` ``PdfImagePlugin.__version__`` ``XVThumbImagePlugin.__version__`` +``IptcImagePlugin.__version__`` ``PixarImagePlugin.__version__`` +=============================== ================================= ================================== + +PyQt4 and PySide +~~~~~~~~~~~~~~~~ + +.. deprecated:: 6.0.0 +.. versionremoved:: 7.0.0 + +Qt 4 reached end-of-life on 2015-12-19. Its Python bindings are also EOL: PyQt4 since +2018-08-31 and PySide since 2015-10-14. + +Support for PyQt4 and PySide has been removed from ``ImageQt``. Please upgrade to PyQt5 +or PySide2. + +Setting the size of TIFF images +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 5.3.0 +.. versionremoved:: 7.0.0 + +Setting the size of a TIFF image directly (eg. ``im.size = (256, 256)``) throws +an error. Use ``Image.resize`` instead. + +VERSION constant +~~~~~~~~~~~~~~~~ + +.. deprecated:: 5.2.0 +.. versionremoved:: 6.0.0 + +``VERSION`` (the old PIL version, always 1.1.7) has been removed. Use +``__version__`` instead. + +Undocumented ImageOps functions +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 4.3.0 +.. versionremoved:: 6.0.0 + +Several undocumented functions in ``ImageOps`` have been removed. Use the equivalents +in ``ImageFilter`` instead: + +========================== ============================ +Removed Use instead +========================== ============================ +``ImageOps.box_blur`` ``ImageFilter.BoxBlur`` +``ImageOps.gaussian_blur`` ``ImageFilter.GaussianBlur`` +``ImageOps.gblur`` ``ImageFilter.GaussianBlur`` +``ImageOps.usm`` ``ImageFilter.UnsharpMask`` +``ImageOps.unsharp_mask`` ``ImageFilter.UnsharpMask`` +========================== ============================ + +PIL.OleFileIO +~~~~~~~~~~~~~ + +.. deprecated:: 4.0.0 +.. versionremoved:: 6.0.0 + +PIL.OleFileIO was removed as a vendored file in Pillow 4.0.0 (2017-01) in favour of +the upstream olefile Python package, and replaced with an ``ImportError`` in 5.0.0 +(2018-01). The deprecated file has now been removed from Pillow. If needed, install from +PyPI (eg. ``python3 -m pip install olefile``). diff --git a/docs/example/DdsImagePlugin.py b/docs/example/DdsImagePlugin.py new file mode 100644 index 00000000000..272409416cc --- /dev/null +++ b/docs/example/DdsImagePlugin.py @@ -0,0 +1,277 @@ +""" +A Pillow loader for .dds files (S3TC-compressed aka DXTC) +Jerome Leclanche + +Documentation: + https://web.archive.org/web/20170802060935/http://oss.sgi.com/projects/ogl-sample/registry/EXT/texture_compression_s3tc.txt + +The contents of this file are hereby released in the public domain (CC0) +Full text of the CC0 license: + https://creativecommons.org/publicdomain/zero/1.0/ +""" + +import struct +from io import BytesIO + +from PIL import Image, ImageFile + +# Magic ("DDS ") +DDS_MAGIC = 0x20534444 + +# DDS flags +DDSD_CAPS = 0x1 +DDSD_HEIGHT = 0x2 +DDSD_WIDTH = 0x4 +DDSD_PITCH = 0x8 +DDSD_PIXELFORMAT = 0x1000 +DDSD_MIPMAPCOUNT = 0x20000 +DDSD_LINEARSIZE = 0x80000 +DDSD_DEPTH = 0x800000 + +# DDS caps +DDSCAPS_COMPLEX = 0x8 +DDSCAPS_TEXTURE = 0x1000 +DDSCAPS_MIPMAP = 0x400000 + +DDSCAPS2_CUBEMAP = 0x200 +DDSCAPS2_CUBEMAP_POSITIVEX = 0x400 +DDSCAPS2_CUBEMAP_NEGATIVEX = 0x800 +DDSCAPS2_CUBEMAP_POSITIVEY = 0x1000 +DDSCAPS2_CUBEMAP_NEGATIVEY = 0x2000 +DDSCAPS2_CUBEMAP_POSITIVEZ = 0x4000 +DDSCAPS2_CUBEMAP_NEGATIVEZ = 0x8000 +DDSCAPS2_VOLUME = 0x200000 + +# Pixel Format +DDPF_ALPHAPIXELS = 0x1 +DDPF_ALPHA = 0x2 +DDPF_FOURCC = 0x4 +DDPF_PALETTEINDEXED8 = 0x20 +DDPF_RGB = 0x40 +DDPF_LUMINANCE = 0x20000 + + +# dds.h + +DDS_FOURCC = DDPF_FOURCC +DDS_RGB = DDPF_RGB +DDS_RGBA = DDPF_RGB | DDPF_ALPHAPIXELS +DDS_LUMINANCE = DDPF_LUMINANCE +DDS_LUMINANCEA = DDPF_LUMINANCE | DDPF_ALPHAPIXELS +DDS_ALPHA = DDPF_ALPHA +DDS_PAL8 = DDPF_PALETTEINDEXED8 + +DDS_HEADER_FLAGS_TEXTURE = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT +DDS_HEADER_FLAGS_MIPMAP = DDSD_MIPMAPCOUNT +DDS_HEADER_FLAGS_VOLUME = DDSD_DEPTH +DDS_HEADER_FLAGS_PITCH = DDSD_PITCH +DDS_HEADER_FLAGS_LINEARSIZE = DDSD_LINEARSIZE + +DDS_HEIGHT = DDSD_HEIGHT +DDS_WIDTH = DDSD_WIDTH + +DDS_SURFACE_FLAGS_TEXTURE = DDSCAPS_TEXTURE +DDS_SURFACE_FLAGS_MIPMAP = DDSCAPS_COMPLEX | DDSCAPS_MIPMAP +DDS_SURFACE_FLAGS_CUBEMAP = DDSCAPS_COMPLEX + +DDS_CUBEMAP_POSITIVEX = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEX +DDS_CUBEMAP_NEGATIVEX = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEX +DDS_CUBEMAP_POSITIVEY = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEY +DDS_CUBEMAP_NEGATIVEY = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEY +DDS_CUBEMAP_POSITIVEZ = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_POSITIVEZ +DDS_CUBEMAP_NEGATIVEZ = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_NEGATIVEZ + + +# DXT1 +DXT1_FOURCC = 0x31545844 + +# DXT3 +DXT3_FOURCC = 0x33545844 + +# DXT5 +DXT5_FOURCC = 0x35545844 + + +def _decode565(bits): + a = ((bits >> 11) & 0x1F) << 3 + b = ((bits >> 5) & 0x3F) << 2 + c = (bits & 0x1F) << 3 + return a, b, c + + +def _c2a(a, b): + return (2 * a + b) // 3 + + +def _c2b(a, b): + return (a + b) // 2 + + +def _c3(a, b): + return (2 * b + a) // 3 + + +def _dxt1(data, width, height): + # TODO implement this function as pixel format in decode.c + ret = bytearray(4 * width * height) + + for y in range(0, height, 4): + for x in range(0, width, 4): + color0, color1, bits = struct.unpack("> 2 + if control == 0: + r, g, b = r0, g0, b0 + elif control == 1: + r, g, b = r1, g1, b1 + elif control == 2: + if color0 > color1: + r, g, b = _c2a(r0, r1), _c2a(g0, g1), _c2a(b0, b1) + else: + r, g, b = _c2b(r0, r1), _c2b(g0, g1), _c2b(b0, b1) + elif control == 3: + if color0 > color1: + r, g, b = _c3(r0, r1), _c3(g0, g1), _c3(b0, b1) + else: + r, g, b = 0, 0, 0 + + idx = 4 * ((y + j) * width + x + i) + ret[idx : idx + 4] = struct.pack("4B", r, g, b, 255) + + return bytes(ret) + + +def _dxtc_alpha(a0, a1, ac0, ac1, ai): + if ai <= 12: + ac = (ac0 >> ai) & 7 + elif ai == 15: + ac = (ac0 >> 15) | ((ac1 << 1) & 6) + else: + ac = (ac1 >> (ai - 16)) & 7 + + if ac == 0: + alpha = a0 + elif ac == 1: + alpha = a1 + elif a0 > a1: + alpha = ((8 - ac) * a0 + (ac - 1) * a1) // 7 + elif ac == 6: + alpha = 0 + elif ac == 7: + alpha = 0xFF + else: + alpha = ((6 - ac) * a0 + (ac - 1) * a1) // 5 + + return alpha + + +def _dxt5(data, width, height): + # TODO implement this function as pixel format in decode.c + ret = bytearray(4 * width * height) + + for y in range(0, height, 4): + for x in range(0, width, 4): + a0, a1, ac0, ac1, c0, c1, code = struct.unpack("<2BHI2HI", data.read(16)) + + r0, g0, b0 = _decode565(c0) + r1, g1, b1 = _decode565(c1) + + for j in range(4): + for i in range(4): + ai = 3 * (4 * j + i) + alpha = _dxtc_alpha(a0, a1, ac0, ac1, ai) + + cc = (code >> 2 * (4 * j + i)) & 3 + if cc == 0: + r, g, b = r0, g0, b0 + elif cc == 1: + r, g, b = r1, g1, b1 + elif cc == 2: + r, g, b = _c2a(r0, r1), _c2a(g0, g1), _c2a(b0, b1) + elif cc == 3: + r, g, b = _c3(r0, r1), _c3(g0, g1), _c3(b0, b1) + + idx = 4 * ((y + j) * width + x + i) + ret[idx : idx + 4] = struct.pack("4B", r, g, b, alpha) + + return bytes(ret) + + +class DdsImageFile(ImageFile.ImageFile): + format = "DDS" + format_description = "DirectDraw Surface" + + def _open(self): + magic, header_size = struct.unpack("` for details. + +.. _apng-sequences: + +APNG sequences +~~~~~~~~~~~~~~ + +The PNG loader includes limited support for reading and writing Animated Portable +Network Graphics (APNG) files. +When an APNG file is loaded, :py:meth:`~PIL.ImageFile.ImageFile.get_format_mimetype` +will return ``"image/apng"``. The value of the :py:attr:`~PIL.Image.Image.is_animated` +property will be ``True`` when the :py:attr:`~PIL.Image.Image.n_frames` property is +greater than 1. For APNG files, the ``n_frames`` property depends on both the animation +frame count as well as the presence or absence of a default image. See the +``default_image`` property documentation below for more details. +The :py:meth:`~PIL.Image.Image.seek` and :py:meth:`~PIL.Image.Image.tell` methods +are supported. + +``im.seek()`` raises an :py:exc:`EOFError` if you try to seek after the last frame. + +These :py:attr:`~PIL.Image.Image.info` properties will be set for APNG frames, +where applicable: + +**default_image** + Specifies whether or not this APNG file contains a separate default image, + which is not a part of the actual APNG animation. + + When an APNG file contains a default image, the initially loaded image (i.e. + the result of ``seek(0)``) will be the default image. + To account for the presence of the default image, the + :py:attr:`~PIL.Image.Image.n_frames` property will be set to ``frame_count + 1``, + where ``frame_count`` is the actual APNG animation frame count. + To load the first APNG animation frame, ``seek(1)`` must be called. + + * ``True`` - The APNG contains default image, which is not an animation frame. + * ``False`` - The APNG does not contain a default image. The ``n_frames`` property + will be set to the actual APNG animation frame count. + The initially loaded image (i.e. ``seek(0)``) will be the first APNG animation + frame. + +**loop** + The number of times to loop this APNG, 0 indicates infinite looping. + +**duration** + The time to display this APNG frame (in milliseconds). + +.. note:: + + The APNG loader returns images the same size as the APNG file's logical screen size. + The returned image contains the pixel data for a given frame, after applying + any APNG frame disposal and frame blend operations (i.e. it contains what a web + browser would render for this frame - the composite of all previous frames and this + frame). + + Any APNG file containing sequence errors is treated as an invalid image. The APNG + loader will not attempt to repair and reorder files containing sequence errors. + +.. _apng-saving: + +Saving +~~~~~~ + +When calling :py:meth:`~PIL.Image.Image.save`, by default only a single frame PNG file +will be saved. To save an APNG file (including a single frame APNG), the ``save_all`` +parameter must be set to ``True``. The following parameters can also be set: + +**default_image** + Boolean value, specifying whether or not the base image is a default image. + If ``True``, the base image will be used as the default image, and the first image + from the ``append_images`` sequence will be the first APNG animation frame. + If ``False``, the base image will be used as the first APNG animation frame. + Defaults to ``False``. + +**append_images** + A list or tuple of images to append as additional frames. Each of the + images in the list can be single or multiframe images. The size of each frame + should match the size of the base image. Also note that if a frame's mode does + not match that of the base image, the frame will be converted to the base image + mode. + +**loop** + Integer number of times to loop this APNG, 0 indicates infinite looping. + Defaults to 0. + +**duration** + Integer (or list or tuple of integers) length of time to display this APNG frame + (in milliseconds). + Defaults to 0. + +**disposal** + An integer (or list or tuple of integers) specifying the APNG disposal + operation to be used for this frame before rendering the next frame. + Defaults to 0. + + * 0 (:py:data:`~PIL.PngImagePlugin.APNG_DISPOSE_OP_NONE`, default) - + No disposal is done on this frame before rendering the next frame. + * 1 (:py:data:`PIL.PngImagePlugin.APNG_DISPOSE_OP_BACKGROUND`) - + This frame's modified region is cleared to fully transparent black before + rendering the next frame. + * 2 (:py:data:`~PIL.PngImagePlugin.APNG_DISPOSE_OP_PREVIOUS`) - + This frame's modified region is reverted to the previous frame's contents before + rendering the next frame. + +**blend** + An integer (or list or tuple of integers) specifying the APNG blend + operation to be used for this frame before rendering the next frame. + Defaults to 0. + + * 0 (:py:data:`~PIL.PngImagePlugin.APNG_BLEND_OP_SOURCE`) - + All color components of this frame, including alpha, overwrite the previous output + image contents. + * 1 (:py:data:`~PIL.PngImagePlugin.APNG_BLEND_OP_OVER`) - + This frame should be alpha composited with the previous output image contents. + +.. note:: + + The ``duration``, ``disposal`` and ``blend`` parameters can be set to lists or tuples to + specify values for each individual frame in the animation. The length of the list or tuple + must be identical to the total number of actual frames in the APNG animation. + If the APNG contains a default image (i.e. ``default_image`` is set to ``True``), + these list or tuple parameters should not include an entry for the default image. + PPM ^^^ -PIL reads and writes PBM, PGM and PPM files containing ``1``, ``L`` or ``RGB`` -data. +Pillow reads and writes PBM, PGM, PPM and PNM files containing ``1``, ``L`` or +``RGB`` data. + +SGI +^^^ + +Pillow reads and writes uncompressed ``L``, ``RGB``, and ``RGBA`` files. + SPIDER ^^^^^^ -PIL reads and writes SPIDER image files of 32-bit floating point data +Pillow reads and writes SPIDER image files of 32-bit floating point data ("F;32F"). -PIL also reads SPIDER stack files containing sequences of SPIDER images. The -:py:meth:`~file.seek` and :py:meth:`~file.tell` methods are supported, and +Pillow also reads SPIDER stack files containing sequences of SPIDER images. The +:py:meth:`~PIL.Image.Image.seek` and :py:meth:`~PIL.Image.Image.tell` methods are supported, and random access is allowed. -The :py:meth:`~PIL.Image.Image.open` method sets the following attributes: +The :py:meth:`~PIL.Image.open` method sets the following attributes: **format** Set to ``SPIDER`` @@ -462,13 +755,13 @@ The :py:meth:`~PIL.Image.Image.open` method sets the following attributes: **istack** Set to 1 if the file is an image stack, else 0. -**nimages** +**n_frames** Set to the number of images in the stack. -A convenience method, :py:meth:`~PIL.Image.Image.convert2byte`, is provided for -converting floating point data to byte data (mode ``L``):: +A convenience method, :py:meth:`~PIL.SpiderImagePlugin.SpiderImageFile.convert2byte`, +is provided for converting floating point data to byte data (mode ``L``):: - im = Image.open('image001.spi').convert2byte() + im = Image.open("image001.spi").convert2byte() Writing files in SPIDER format ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -481,21 +774,33 @@ the output format must be specified explicitly:: For more information about the SPIDER image processing package, see the `SPIDER homepage`_ at `Wadsworth Center`_. -.. _SPIDER homepage: http://spider.wadsworth.org/spider_doc/spider/docs/spider.html -.. _Wadsworth Center: http://www.wadsworth.org/ +.. _SPIDER homepage: https://spider.wadsworth.org/spider_doc/spider/docs/spider.html +.. _Wadsworth Center: https://www.wadsworth.org/ + +TGA +^^^ + +Pillow reads and writes TGA images containing ``L``, ``LA``, ``P``, +``RGB``, and ``RGBA`` data. Pillow can read and write both uncompressed and +run-length encoded TGAs. TIFF ^^^^ -PIL reads and writes TIFF files. It can read both striped and tiled images, -pixel and plane interleaved multi-band images, and either uncompressed, or -Packbits, LZW, or JPEG compressed images. +Pillow reads and writes TIFF files. It can read both striped and tiled +images, pixel and plane interleaved multi-band images. If you have +libtiff and its headers installed, Pillow can read and write many kinds +of compressed TIFF files. If not, Pillow will only read and write +uncompressed files. + +.. note:: -If you have libtiff and its headers installed, PIL can read and write many more -kinds of compressed TIFF files. If not, PIL will always write uncompressed -files. + Beginning in version 5.0.0, Pillow requires libtiff to read or + write compressed files. Prior to that release, Pillow had buggy + support for reading Packbits, LZW and JPEG compressed TIFFs + without using libtiff. -The :py:meth:`~PIL.Image.Image.open` method sets the following +The :py:meth:`~PIL.Image.open` method sets the following :py:attr:`~PIL.Image.Image.info` properties: **compression** @@ -505,8 +810,8 @@ The :py:meth:`~PIL.Image.Image.open` method sets the following **dpi** Image resolution as an ``(xdpi, ydpi)`` tuple, where applicable. You can use - the :py:attr:`~PIL.Image.Image.tag` attribute to get more detailed - information about the image resolution. + the :py:attr:`~PIL.TiffImagePlugin.TiffImageFile.tag` attribute to get more + detailed information about the image resolution. .. versionadded:: 1.1.5 @@ -517,9 +822,9 @@ The :py:meth:`~PIL.Image.Image.open` method sets the following .. versionadded:: 1.1.5 -The :py:attr:`~PIL.Image.Image.tag_v2` attribute contains a dictionary -of TIFF metadata. The keys are numerical indexes from -:py:attr:`~PIL.TiffTags.TAGS_V2`. Values are strings or numbers for single +The :py:attr:`~PIL.TiffImagePlugin.TiffImageFile.tag_v2` attribute contains a +dictionary of TIFF metadata. The keys are numerical indexes from +:py:data:`.TiffTags.TAGS_V2`. Values are strings or numbers for single items, multiple values are returned in a tuple of values. Rational numbers are returned as a :py:class:`~PIL.TiffImagePlugin.IFDRational` object. @@ -527,13 +832,24 @@ object. .. versionadded:: 3.0.0 For compatibility with legacy code, the -:py:attr:`~PIL.Image.Image.tag` attribute contains a dictionary of -decoded TIFF fields as returned prior to version 3.0.0. Values are +:py:attr:`~PIL.TiffImagePlugin.TiffImageFile.tag` attribute contains a dictionary +of decoded TIFF fields as returned prior to version 3.0.0. Values are returned as either strings or tuples of numeric values. Rational numbers are returned as a tuple of ``(numerator, denominator)``. .. deprecated:: 3.0.0 +Reading Multi-frame TIFF Images +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The TIFF loader supports the :py:meth:`~PIL.Image.Image.seek` and +:py:meth:`~PIL.Image.Image.tell` methods, taking and returning frame numbers +within the image file. You can combine these methods to seek to the next frame +(``im.seek(im.tell() + 1)``). Frames are numbered from 0 to ``im.n_frames - 1``, +and can be accessed in any order. + +``im.seek()`` raises an :py:exc:`EOFError` if you try to seek after the +last frame. Saving Tiff Images ~~~~~~~~~~~~~~~~~~ @@ -542,9 +858,17 @@ The :py:meth:`~PIL.Image.Image.save` method can take the following keyword argum **save_all** If true, Pillow will save all frames of the image to a multiframe tiff document. - + .. versionadded:: 3.4.0 +**append_images** + A list of images to append as additional frames. Each of the + images in the list can be single or multiframe images. Note however, that for + correct results, all the appended images should have the same + ``encoderinfo`` and ``encoderconfig`` properties. + + .. versionadded:: 4.2.0 + **tiffinfo** A :py:class:`~PIL.TiffImagePlugin.ImageFileDirectory_v2` object or dict object containing tiff tags and values. The TIFF field type is @@ -553,7 +877,7 @@ The :py:meth:`~PIL.Image.Image.save` method can take the following keyword argum object and setting the type in :py:attr:`~PIL.TiffImagePlugin.ImageFileDirectory_v2.tagtype` with the appropriate numerical value from - ``TiffTags.TYPES``. + :py:data:`.TiffTags.TYPES`. .. versionadded:: 2.3.0 @@ -566,21 +890,38 @@ The :py:meth:`~PIL.Image.Image.save` method can take the following keyword argum :py:class:`~PIL.TiffImagePlugin.ImageFileDirectory_v1` object may be passed in this field. However, this is deprecated. - .. versionadded:: 3.0.0 - - .. note:: + .. versionadded:: 5.4.0 - Only some tags are currently supported when writing using + Previous versions only supported some tags when writing using libtiff. The supported list is found in - :py:attr:`~PIL:TiffTags.LIBTIFF_CORE`. + :py:data:`.TiffTags.LIBTIFF_CORE`. + + .. versionadded:: 6.1.0 + + Added support for signed types (e.g. ``TIFF_SIGNED_LONG``) and multiple values. + Multiple values for a single tag must be to + :py:class:`~PIL.TiffImagePlugin.ImageFileDirectory_v2` as a tuple and + require a matching type in + :py:attr:`~PIL.TiffImagePlugin.ImageFileDirectory_v2.tagtype` tagtype. + +**exif** + Alternate keyword to "tiffinfo", for consistency with other formats. + + .. versionadded:: 8.4.0 **compression** A string containing the desired compression method for the file. (valid only with libtiff installed) Valid compression - methods are: ``None``, ``"tiff_ccitt"``, ``"group3"``, - ``"group4"``, ``"tiff_jpeg"``, ``"tiff_adobe_deflate"``, - ``"tiff_thunderscan"``, ``"tiff_deflate"``, ``"tiff_sgilog"``, - ``"tiff_sgilog24"``, ``"tiff_raw_16"`` + methods are: :data:`None`, ``"group3"``, ``"group4"``, ``"jpeg"``, ``"lzma"``, + ``"packbits"``, ``"tiff_adobe_deflate"``, ``"tiff_ccitt"``, ``"tiff_lzw"``, + ``"tiff_raw_16"``, ``"tiff_sgilog"``, ``"tiff_sgilog24"``, ``"tiff_thunderscan"``, + ``"webp"`, ``"zstd"`` + +**quality** + The image quality for JPEG compression, on a scale from 0 (worst) to 100 + (best). The default is 75. + + .. versionadded:: 6.1.0 These arguments to set the tiff header fields are an alternative to using the general tags available through tiffinfo. @@ -596,52 +937,117 @@ using the general tags available through tiffinfo. **copyright** Strings +**icc_profile** + The ICC Profile to include in the saved file. + **resolution_unit** - A string of "inch", "centimeter" or "cm" + An integer. 1 for no unit, 2 for inches and 3 for centimeters. **resolution** + Either an integer or a float, used for both the x and y resolution. **x_resolution** + Either an integer or a float. **y_resolution** + Either an integer or a float. **dpi** - Either a Float, 2 tuple of (numerator, denominator) or a - :py:class:`~PIL.TiffImagePlugin.IFDRational`. Resolution implies - an equal x and y resolution, dpi also implies a unit of inches. + A tuple of (x_resolution, y_resolution), with inches as the resolution + unit. For consistency with other image formats, the x and y resolutions + of the dpi will be rounded to the nearest integer. WebP ^^^^ -PIL reads and writes WebP files. The specifics of PIL's capabilities with this -format are currently undocumented. +Pillow reads and writes WebP files. The specifics of Pillow's capabilities with +this format are currently undocumented. The :py:meth:`~PIL.Image.Image.save` method supports the following options: **lossless** - If present and true, instructs the WEBP writer to use lossless compression. + If present and true, instructs the WebP writer to use lossless compression. **quality** - Integer, 1-100, Defaults to 80. Sets the quality level for - lossy compression. + Integer, 1-100, Defaults to 80. For lossy, 0 gives the smallest + size and 100 the largest. For lossless, this parameter is the amount + of effort put into the compression: 0 is the fastest, but gives larger + files compared to the slowest, but best, 100. + +**method** + Quality/speed trade-off (0=fast, 6=slower-better). Defaults to 4. -**icc_procfile** +**icc_profile** The ICC Profile to include in the saved file. Only supported if - the system webp library was built with webpmux support. + the system WebP library was built with webpmux support. **exif** The exif data to include in the saved file. Only supported if - the system webp library was built with webpmux support. + the system WebP library was built with webpmux support. + +Saving sequences +~~~~~~~~~~~~~~~~~ + +.. note:: + + Support for animated WebP files will only be enabled if the system WebP + library is v0.5.0 or later. You can check webp animation support at + runtime by calling ``features.check("webp_anim")``. + +When calling :py:meth:`~PIL.Image.Image.save` to write a WebP file, by default +only the first frame of a multiframe image will be saved. If the ``save_all`` +argument is present and true, then all frames will be saved, and the following +options will also be available. + +**append_images** + A list of images to append as additional frames. Each of the + images in the list can be single or multiframe images. + +**duration** + The display duration of each frame, in milliseconds. Pass a single + integer for a constant duration, or a list or tuple to set the + duration for each frame separately. + +**loop** + Number of times to repeat the animation. Defaults to [0 = infinite]. + +**background** + Background color of the canvas, as an RGBA tuple with values in + the range of (0-255). + +**minimize_size** + If true, minimize the output size (slow). Implicitly disables + key-frame insertion. + +**kmin, kmax** + Minimum and maximum distance between consecutive key frames in + the output. The library may insert some key frames as needed + to satisfy this criteria. Note that these conditions should + hold: kmax > kmin and kmin >= kmax / 2 + 1. Also, if kmax <= 0, + then key-frame insertion is disabled; and if kmax == 1, then all + frames will be key-frames (kmin value does not matter for these + special cases). + +**allow_mixed** + If true, use mixed compression mode; the encoder heuristically + chooses between lossy and lossless for each frame. XBM ^^^ -PIL reads and writes X bitmap files (mode ``1``). +Pillow reads and writes X bitmap files (mode ``1``). Read-only formats ----------------- +BLP +^^^ + +BLP is the Blizzard Mipmap Format, a texture format used in World of +Warcraft. Pillow supports reading ``JPEG`` Compressed or raw ``BLP1`` +images, and all types of ``BLP2`` images. + CUR ^^^ @@ -656,25 +1062,14 @@ is commonly used in fax applications. The DCX decoder can read files containing ``1``, ``L``, ``P``, or ``RGB`` data. When the file is opened, only the first image is read. You can use -:py:meth:`~file.seek` or :py:mod:`~PIL.ImageSequence` to read other images. - - -DDS -^^^ - -DDS is a popular container texture format used in video games and natively -supported by DirectX. -Currently, DXT1, DXT3, and DXT5 pixel formats are supported and only in ``RGBA`` -mode. - -.. versionadded:: 3.4.0 DXT3 +:py:meth:`~PIL.Image.Image.seek` or :py:mod:`~PIL.ImageSequence` to read other images. FLI, FLC ^^^^^^^^ -PIL reads Autodesk FLI and FLC animations. +Pillow reads Autodesk FLI and FLC animations. -The :py:meth:`~PIL.Image.Image.open` method sets the following +The :py:meth:`~PIL.Image.open` method sets the following :py:attr:`~PIL.Image.Image.info` properties: **duration** @@ -683,7 +1078,7 @@ The :py:meth:`~PIL.Image.Image.open` method sets the following FPX ^^^ -PIL reads Kodak FlashPix files. In the current version, only the highest +Pillow reads Kodak FlashPix files. In the current version, only the highest resolution image is read from the file, and the viewing transform is not taken into account. @@ -707,7 +1102,7 @@ GBR The GBR decoder reads GIMP brush files, version 1 and 2. -The :py:meth:`~PIL.Image.Image.open` method sets the following +The :py:meth:`~PIL.Image.open` method sets the following :py:attr:`~PIL.Image.Image.info` properties: **comment** @@ -719,96 +1114,75 @@ The :py:meth:`~PIL.Image.Image.open` method sets the following GD ^^ -PIL reads uncompressed GD files. Note that this file format cannot be -automatically identified, so you must use :py:func:`PIL.GdImageFile.open` to -read such a file. +Pillow reads uncompressed GD2 files. Note that you must use +:py:func:`PIL.GdImageFile.open` to read such a file. -The :py:meth:`~PIL.Image.Image.open` method sets the following +The :py:meth:`~PIL.Image.open` method sets the following :py:attr:`~PIL.Image.Image.info` properties: **transparency** Transparency color index. This key is omitted if the image is not transparent. -ICO -^^^ - -ICO is used to store icons on Windows. The largest available icon is read. - -The :py:meth:`~PIL.Image.Image.save` method supports the following options: - -**sizes** - A list of sizes including in this ico file; these are a 2-tuple, - ``(width, height)``; Default to ``[(16, 16), (24, 24), (32, 32), (48, 48), - (64, 64), (128, 128), (255, 255)]``. Any size is bigger then the original - size or 255 will be ignored. - IMT ^^^ -PIL reads Image Tools images containing ``L`` data. +Pillow reads Image Tools images containing ``L`` data. IPTC/NAA ^^^^^^^^ -PIL provides limited read support for IPTC/NAA newsphoto files. +Pillow provides limited read support for IPTC/NAA newsphoto files. MCIDAS ^^^^^^ -PIL identifies and reads 8-bit McIdas area files. +Pillow identifies and reads 8-bit McIdas area files. MIC ^^^ -PIL identifies and reads Microsoft Image Composer (MIC) files. When opened, the -first sprite in the file is loaded. You can use :py:meth:`~file.seek` and -:py:meth:`~file.tell` to read other sprites from the file. +Pillow identifies and reads Microsoft Image Composer (MIC) files. When opened, +the first sprite in the file is loaded. You can use :py:meth:`~PIL.Image.Image.seek` and +:py:meth:`~PIL.Image.Image.tell` to read other sprites from the file. + +Note that there may be an embedded gamma of 2.2 in MIC files. MPO ^^^ Pillow identifies and reads Multi Picture Object (MPO) files, loading the primary -image when first opened. The :py:meth:`~file.seek` and :py:meth:`~file.tell` +image when first opened. The :py:meth:`~PIL.Image.Image.seek` and :py:meth:`~PIL.Image.Image.tell` methods may be used to read other pictures from the file. The pictures are zero-indexed and random access is supported. PCD ^^^ -PIL reads PhotoCD files containing ``RGB`` data. This only reads the 768x512 +Pillow reads PhotoCD files containing ``RGB`` data. This only reads the 768x512 resolution image from the file. Higher resolutions are encoded in a proprietary encoding. PIXAR ^^^^^ -PIL provides limited support for PIXAR raster files. The library can identify -and read “dumped” RGB files. +Pillow provides limited support for PIXAR raster files. The library can +identify and read “dumped” RGB files. The format code is ``PIXAR``. PSD ^^^ -PIL identifies and reads PSD files written by Adobe Photoshop 2.5 and 3.0. - -SGI -^^^ - -PIL reads uncompressed ``L``, ``RGB``, and ``RGBA`` files. - -TGA -^^^ +Pillow identifies and reads PSD files written by Adobe Photoshop 2.5 and 3.0. -PIL reads 24- and 32-bit uncompressed and run-length encoded TGA files. WAL ^^^ .. versionadded:: 1.1.4 -PIL reads Quake2 WAL texture files. +Pillow reads Quake2 WAL texture files. Note that this file format cannot be automatically identified, so you must use the open function in the :py:mod:`~PIL.WalImageFile` module to read files in @@ -817,12 +1191,54 @@ this format. By default, a Quake2 standard palette is attached to the texture. To override the palette, use the putpalette method. +WMF +^^^ + +Pillow can identify WMF files. + +On Windows, it can read WMF files. By default, it will load the image at 72 +dpi. To load it at another resolution: + +.. code-block:: python + + from PIL import Image + + with Image.open("drawing.wmf") as im: + im.load(dpi=144) + +To add other read or write support, use +:py:func:`PIL.WmfImagePlugin.register_handler` to register a WMF handler. + +.. code-block:: python + + from PIL import Image + from PIL import WmfImagePlugin + + + class WmfHandler: + def open(self, im): + ... + + def load(self, im): + ... + return image + + def save(self, im, fp, filename): + ... + + + wmf_handler = WmfHandler() + + WmfImagePlugin.register_handler(wmf_handler) + + im = Image.open("sample.wmf") + XPM ^^^ -PIL reads X pixmap files (mode ``P``) with 256 colors or less. +Pillow reads X pixmap files (mode ``P``) with 256 colors or less. -The :py:meth:`~PIL.Image.Image.open` method sets the following +The :py:meth:`~PIL.Image.open` method sets the following :py:attr:`~PIL.Image.Image.info` properties: **transparency** @@ -835,26 +1251,95 @@ Write-only formats PALM ^^^^ -PIL provides write-only support for PALM pixmap files. +Pillow provides write-only support for PALM pixmap files. The format code is ``Palm``, the extension is ``.palm``. PDF ^^^ -PIL can write PDF (Acrobat) images. Such images are written as binary PDF 1.1 +Pillow can write PDF (Acrobat) images. Such images are written as binary PDF 1.4 files, using either JPEG or HEX encoding depending on the image mode (and whether JPEG support is available or not). -When calling :py:meth:`~PIL.Image.Image.save`, if a multiframe image is used, -by default, only the first image will be saved. To save all frames, each frame -to a separate page of the PDF, the ``save_all`` parameter must be present and -set to ``True``. +The :py:meth:`~PIL.Image.Image.save` method can take the following keyword arguments: + +**save_all** + If a multiframe image is used, by default, only the first image will be saved. + To save all frames, each frame to a separate page of the PDF, the ``save_all`` + parameter must be present and set to ``True``. + + .. versionadded:: 3.0.0 + +**append_images** + A list of :py:class:`PIL.Image.Image` objects to append as additional pages. Each + of the images in the list can be single or multiframe images. The ``save_all`` + parameter must be present and set to ``True`` in conjunction with + ``append_images``. + + .. versionadded:: 4.2.0 + +**append** + Set to True to append pages to an existing PDF file. If the file doesn't + exist, an :py:exc:`OSError` will be raised. + + .. versionadded:: 5.1.0 + +**resolution** + Image resolution in DPI. This, together with the number of pixels in the + image, will determine the physical dimensions of the page that will be + saved in the PDF. + +**title** + The document’s title. If not appending to an existing PDF file, this will + default to the filename. + + .. versionadded:: 5.1.0 + +**author** + The name of the person who created the document. + + .. versionadded:: 5.1.0 + +**subject** + The subject of the document. + + .. versionadded:: 5.1.0 + +**keywords** + Keywords associated with the document. + + .. versionadded:: 5.1.0 + +**creator** + If the document was converted to PDF from another format, the name of the + conforming product that created the original document from which it was + converted. + + .. versionadded:: 5.1.0 + +**producer** + If the document was converted to PDF from another format, the name of the + conforming product that converted it to PDF. + + .. versionadded:: 5.1.0 + +**creationDate** + The creation date of the document. If not appending to an existing PDF + file, this will default to the current time. + + .. versionadded:: 5.3.0 + +**modDate** + The modification date of the document. If not appending to an existing PDF + file, this will default to the current time. + + .. versionadded:: 5.3.0 XV Thumbnails ^^^^^^^^^^^^^ -PIL can read XV thumbnail files. +Pillow can read XV thumbnail files. Identify-only formats --------------------- @@ -864,7 +1349,7 @@ BUFR .. versionadded:: 1.1.3 -PIL provides a stub driver for BUFR files. +Pillow provides a stub driver for BUFR files. To add read or write support to your application, use :py:func:`PIL.BufrStubImagePlugin.register_handler`. @@ -874,7 +1359,7 @@ FITS .. versionadded:: 1.1.5 -PIL provides a stub driver for FITS files. +Pillow provides a stub driver for FITS files. To add read or write support to your application, use :py:func:`PIL.FitsStubImagePlugin.register_handler`. @@ -884,11 +1369,11 @@ GRIB .. versionadded:: 1.1.5 -PIL provides a stub driver for GRIB files. +Pillow provides a stub driver for GRIB files. The driver requires the file to start with a GRIB header. If you have files with embedded GRIB data, or files with multiple GRIB fields, your application -has to seek to the header before passing the file handle to PIL. +has to seek to the header before passing the file handle to Pillow. To add read or write support to your application, use :py:func:`PIL.GribStubImagePlugin.register_handler`. @@ -898,7 +1383,7 @@ HDF5 .. versionadded:: 1.1.5 -PIL provides a stub driver for HDF5 files. +Pillow provides a stub driver for HDF5 files. To add read or write support to your application, use :py:func:`PIL.Hdf5StubImagePlugin.register_handler`. @@ -906,36 +1391,4 @@ To add read or write support to your application, use MPEG ^^^^ -PIL identifies MPEG files. - -WMF -^^^ - -PIL can identify playable WMF files. - -In PIL 1.1.4 and earlier, the WMF driver provides some limited rendering -support, but not enough to be useful for any real application. - -In PIL 1.1.5 and later, the WMF driver is a stub driver. To add WMF read or -write support to your application, use -:py:func:`PIL.WmfImagePlugin.register_handler` to register a WMF handler. - -:: - - from PIL import Image - from PIL import WmfImagePlugin - - class WmfHandler: - def open(self, im): - ... - def load(self, im): - ... - return image - def save(self, im, fp, filename): - ... - - wmf_handler = WmfHandler() - - WmfImagePlugin.register_handler(wmf_handler) - - im = Image.open("sample.wmf") +Pillow identifies MPEG files. diff --git a/docs/handbook/overview.rst b/docs/handbook/overview.rst index b52939b89c6..17964d1c5f3 100644 --- a/docs/handbook/overview.rst +++ b/docs/handbook/overview.rst @@ -33,7 +33,7 @@ DIB interface ` that can be used with PythonWin and other Windows-based toolkits. Many other GUI toolkits come with some kind of PIL support. -For debugging, there’s also a :py:meth:`show` method which saves an image to +For debugging, there’s also a :py:meth:`~PIL.Image.Image.show` method which saves an image to disk, and calls an external display utility. Image Processing diff --git a/docs/handbook/text-anchors.rst b/docs/handbook/text-anchors.rst new file mode 100644 index 00000000000..0aecd348366 --- /dev/null +++ b/docs/handbook/text-anchors.rst @@ -0,0 +1,140 @@ + +.. _text-anchors: + +Text anchors +============ + +The ``anchor`` parameter determines the alignment of drawn text relative to the ``xy`` parameter. +The default alignment is top left, specifically ``la`` (left-ascender) for horizontal text +and ``lt`` (left-top) for vertical text. + +This parameter is only supported by OpenType/TrueType fonts. +Other fonts may ignore the parameter and use the default (top left) alignment. + +Specifying an anchor +^^^^^^^^^^^^^^^^^^^^ + +An anchor is specified with a two-character string. The first character is the +horizontal alignment, the second character is the vertical alignment. +For example, the default value of ``la`` for horizontal text means left-ascender +aligned text. + +When drawing text with :py:meth:`PIL.ImageDraw.ImageDraw.text` with a specific anchor, +the text will be placed such that the specified anchor point is at the ``xy`` coordinates. + +For example, in the following image, the text is ``ms`` (middle-baseline) aligned, with +``xy`` at the intersection of the two lines: + +.. image:: ../../Tests/images/test_anchor_quick_ms.png + :alt: ms (middle-baseline) aligned text. + :align: left + +.. code-block:: python + + from PIL import Image, ImageDraw, ImageFont + + font = ImageFont.truetype("Tests/fonts/NotoSans-Regular.ttf", 48) + im = Image.new("RGB", (200, 200), "white") + d = ImageDraw.Draw(im) + d.line(((0, 100), (200, 100)), "gray") + d.line(((100, 0), (100, 200)), "gray") + d.text((100, 100), "Quick", fill="black", anchor="ms", font=font) + +.. container:: clearer + + | + +.. only: comment + The container above prevents the image alignment from affecting the following text. + +Quick reference +^^^^^^^^^^^^^^^ + +.. image:: ../resources/anchor_horizontal.svg + :alt: Horizontal text + :align: center + +.. image:: ../resources/anchor_vertical.svg + :alt: Vertical text + :align: center + +Horizontal anchor alignment +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +``l`` --- left + Anchor is to the left of the text. + + For *horizontal* text this is the origin of the first glyph, as shown in the `FreeType tutorial`_. + +``m`` --- middle + Anchor is horizontally centered with the text. + + For *vertical* text it is recommended to use ``s`` (baseline) alignment instead, + as it does not change based on the specific glyphs of the given text. + +``r`` --- right + Anchor is to the right of the text. + + For *horizontal* text this is the advanced origin of the last glyph, as shown in the `FreeType tutorial`_. + +``s`` --- baseline *(vertical text only)* + Anchor is at the baseline (middle) of the text. The exact alignment depends on the font. + + For *vertical* text this is the recommended alignment, + as it does not change based on the specific glyphs of the given text + (see image for vertical text above). + +Vertical anchor alignment +^^^^^^^^^^^^^^^^^^^^^^^^^ + +``a`` --- ascender / top *(horizontal text only)* + Anchor is at the ascender line (top) of the first line of text, as defined by the font. + + See `Font metrics on Wikipedia`_ for more information. + +``t`` --- top *(single-line text only)* + Anchor is at the top of the text. + + For *vertical* text this is the origin of the first glyph, as shown in the `FreeType tutorial`_. + + For *horizontal* text it is recommended to use ``a`` (ascender) alignment instead, + as it does not change based on the specific glyphs of the given text. + +``m`` --- middle + Anchor is vertically centered with the text. + + For *horizontal* text this is the midpoint of the first ascender line and the last descender line. + +``s`` --- baseline *(horizontal text only)* + Anchor is at the baseline (bottom) of the first line of text, only descenders extend below the anchor. + + See `Font metrics on Wikipedia`_ for more information. + +``b`` --- bottom *(single-line text only)* + Anchor is at the bottom of the text. + + For *vertical* text this is the advanced origin of the last glyph, as shown in the `FreeType tutorial`_. + + For *horizontal* text it is recommended to use ``d`` (descender) alignment instead, + as it does not change based on the specific glyphs of the given text. + +``d`` --- descender / bottom *(horizontal text only)* + Anchor is at the descender line (bottom) of the last line of text, as defined by the font. + + See `Font metrics on Wikipedia`_ for more information. + +Examples +^^^^^^^^ + +The following image shows several examples of anchors for horizontal text. +In each section the ``xy`` parameter was set to the center shown by the intersection +of the two lines. + +.. comment: Image generated with ../example/anchors.py + +.. image:: ../example/anchors.png + :alt: Text anchor examples + :align: center + +.. _Font metrics on Wikipedia: https://en.wikipedia.org/wiki/Typeface#Font_metrics +.. _FreeType tutorial: https://freetype.org/freetype2/docs/tutorial/step2.html diff --git a/docs/handbook/tutorial.rst b/docs/handbook/tutorial.rst index 6b4add94562..aa9efe19261 100644 --- a/docs/handbook/tutorial.rst +++ b/docs/handbook/tutorial.rst @@ -13,12 +13,11 @@ To load an image from a file, use the :py:func:`~PIL.Image.open` function in the :py:mod:`~PIL.Image` module:: >>> from PIL import Image - >>> im = Image.open("lena.ppm") + >>> im = Image.open("hopper.ppm") If successful, this function returns an :py:class:`~PIL.Image.Image` object. You can now use instance attributes to examine the file contents:: - >>> from __future__ import print_function >>> print(im.format, im.size, im.mode) PPM (512, 512) RGB @@ -30,7 +29,7 @@ bands in the image, and also the pixel type and depth. Common modes are “L” (luminance) for greyscale images, “RGB” for true color images, and “CMYK” for pre-press images. -If the file cannot be opened, an :py:exc:`IOError` exception is raised. +If the file cannot be opened, an :py:exc:`OSError` exception is raised. Once you have an instance of the :py:class:`~PIL.Image.Image` class, you can use the methods defined by this class to process and manipulate the image. For @@ -41,10 +40,10 @@ example, let’s display the image we just loaded:: .. note:: The standard version of :py:meth:`~PIL.Image.Image.show` is not very - efficient, since it saves the image to a temporary file and calls the - :command:`xv` utility to display the image. If you don’t have :command:`xv` - installed, it won’t even work. When it does work though, it is very handy - for debugging and tests. + efficient, since it saves the image to a temporary file and calls a utility + to display the image. If you don’t have an appropriate utility installed, + it won’t even work. When it does work though, it is very handy for + debugging and tests. The following sections provide an overview of the different functions provided in this library. @@ -67,7 +66,6 @@ Convert files to JPEG :: - from __future__ import print_function import os, sys from PIL import Image @@ -76,8 +74,9 @@ Convert files to JPEG outfile = f + ".jpg" if infile != outfile: try: - Image.open(infile).save(outfile) - except IOError: + with Image.open(infile) as im: + im.save(outfile) + except OSError: print("cannot convert", infile) A second argument can be supplied to the :py:meth:`~PIL.Image.Image.save` @@ -89,7 +88,6 @@ Create JPEG thumbnails :: - from __future__ import print_function import os, sys from PIL import Image @@ -99,10 +97,10 @@ Create JPEG thumbnails outfile = os.path.splitext(infile)[0] + ".thumbnail" if infile != outfile: try: - im = Image.open(infile) - im.thumbnail(size) - im.save(outfile, "JPEG") - except IOError: + with Image.open(infile) as im: + im.thumbnail(size) + im.save(outfile, "JPEG") + except OSError: print("cannot create thumbnail for", infile) It is important to note that the library doesn’t decode or load the raster data @@ -120,15 +118,14 @@ Identify Image Files :: - from __future__ import print_function import sys from PIL import Image for infile in sys.argv[1:]: try: with Image.open(infile) as im: - print(infile, im.format, "%dx%d" % im.size, im.mode) - except IOError: + print(infile, im.format, f"{im.size}x{im.mode}") + except OSError: pass Cutting, pasting, and merging images @@ -175,29 +172,20 @@ Rolling an image :: def roll(image, delta): - "Roll an image sideways" - + """Roll an image sideways.""" xsize, ysize = image.size delta = delta % xsize - if delta == 0: return image + if delta == 0: + return image part1 = image.crop((0, 0, delta, ysize)) part2 = image.crop((delta, 0, xsize, ysize)) - part1.load() - part2.load() - image.paste(part2, (0, 0, xsize-delta, ysize)) - image.paste(part1, (xsize-delta, 0, xsize, ysize)) + image.paste(part1, (xsize - delta, 0, xsize, ysize)) + image.paste(part2, (0, 0, xsize - delta, ysize)) return image -Note that when pasting it back from the :py:meth:`~PIL.Image.Image.crop` -operation, :py:meth:`~PIL.Image.Image.load` is called first. This is because -cropping is a lazy operation. If :py:meth:`~PIL.Image.Image.load` was not -called, then the crop operation would not be performed until the images were -used in the paste commands. This would mean that ``part1`` would be cropped from -the version of ``image`` already modified by the first paste. - For more advanced tricks, the paste method can also take a transparency mask as an optional argument. In this mask, the value 255 indicates that the pasted image is opaque in that position (that is, the pasted image should be used as @@ -257,7 +245,7 @@ Transposing an image out = im.transpose(Image.ROTATE_270) ``transpose(ROTATE)`` operations can also be performed identically with -:py:meth:`~PIL.Image.Image.rotate` operations, provided the `expand` flag is +:py:meth:`~PIL.Image.Image.rotate` operations, provided the ``expand`` flag is true, to provide for the same changes to the image's size. A more general form of image transformations can be carried out via the @@ -276,7 +264,10 @@ Converting between modes :: - im = Image.open("lena.ppm").convert("L") + from PIL import Image + + with Image.open("hopper.ppm") as im: + im = im.convert("L") The library supports transformations between each supported mode and the “L” and “RGB” modes. To convert between other modes, you may have to use an @@ -392,23 +383,19 @@ Reading sequences from PIL import Image - im = Image.open("animation.gif") - im.seek(1) # skip to the second frame + with Image.open("animation.gif") as im: + im.seek(1) # skip to the second frame - try: - while 1: - im.seek(im.tell()+1) - # do something to im - except EOFError: - pass # end of sequence + try: + while 1: + im.seek(im.tell() + 1) + # do something to im + except EOFError: + pass # end of sequence As seen in this example, you’ll get an :py:exc:`EOFError` exception when the sequence ends. -Note that most drivers in the current version of the library only allow you to -seek to the next frame (as in the above example). To rewind the file, you may -have to reopen it. - The following class lets you use the for-statement to loop over the sequence: Using the ImageSequence Iterator class @@ -421,13 +408,13 @@ Using the ImageSequence Iterator class # ...do something to frame... -Postscript printing +PostScript printing ------------------- The Python Imaging Library includes functions to print images, text and -graphics on Postscript printers. Here’s a simple example: +graphics on PostScript printers. Here’s a simple example: -Drawing Postscript +Drawing PostScript ^^^^^^^^^^^^^^^^^^ :: @@ -435,58 +422,64 @@ Drawing Postscript from PIL import Image from PIL import PSDraw - im = Image.open("lena.ppm") - title = "lena" - box = (1*72, 2*72, 7*72, 10*72) # in points + with Image.open("hopper.ppm") as im: + title = "hopper" + box = (1 * 72, 2 * 72, 7 * 72, 10 * 72) # in points - ps = PSDraw.PSDraw() # default is sys.stdout - ps.begin_document(title) + ps = PSDraw.PSDraw() # default is sys.stdout or sys.stdout.buffer + ps.begin_document(title) - # draw the image (75 dpi) - ps.image(box, im, 75) - ps.rectangle(box) + # draw the image (75 dpi) + ps.image(box, im, 75) + ps.rectangle(box) - # draw title - ps.setfont("HelveticaNarrow-Bold", 36) - ps.text((3*72, 4*72), title) + # draw title + ps.setfont("HelveticaNarrow-Bold", 36) + ps.text((3 * 72, 4 * 72), title) - ps.end_document() + ps.end_document() More on reading images ---------------------- As described earlier, the :py:func:`~PIL.Image.open` function of the :py:mod:`~PIL.Image` module is used to open an image file. In most cases, you -simply pass it the filename as an argument:: +simply pass it the filename as an argument. ``Image.open()`` can be used as a +context manager:: - im = Image.open("lena.ppm") + from PIL import Image + with Image.open("hopper.ppm") as im: + ... If everything goes well, the result is an :py:class:`PIL.Image.Image` object. -Otherwise, an :exc:`IOError` exception is raised. +Otherwise, an :exc:`OSError` exception is raised. You can use a file-like object instead of the filename. The object must -implement :py:meth:`~file.read`, :py:meth:`~file.seek` and -:py:meth:`~file.tell` methods, and be opened in binary mode. +implement ``file.read``, ``file.seek`` and ``file.tell`` methods, +and be opened in binary mode. Reading from an open file ^^^^^^^^^^^^^^^^^^^^^^^^^ :: - fp = open("lena.ppm", "rb") - im = Image.open(fp) + from PIL import Image + + with open("hopper.ppm", "rb") as fp: + im = Image.open(fp) -To read an image from string data, use the :py:class:`~StringIO.StringIO` +To read an image from binary data, use the :py:class:`~io.BytesIO` class: -Reading from a string -^^^^^^^^^^^^^^^^^^^^^ +Reading from binary data +^^^^^^^^^^^^^^^^^^^^^^^^ :: - import StringIO + from PIL import Image + import io - im = Image.open(StringIO.StringIO(buffer)) + im = Image.open(io.BytesIO(buffer)) Note that the library rewinds the file (using ``seek(0)``) before reading the image header. In addition, seek will also be used when the image data is read @@ -499,11 +492,48 @@ Reading from a tar archive :: - from PIL import TarIO + from PIL import Image, TarIO - fp = TarIO.TarIO("Imaging.tar", "Imaging/test/lena.ppm") + fp = TarIO.TarIO("Tests/images/hopper.tar", "hopper.jpg") im = Image.open(fp) + +Batch processing +^^^^^^^^^^^^^^^^ + +Operations can be applied to multiple image files. For example, all PNG images +in the current directory can be saved as JPEGs at reduced quality. + +:: + + import glob + from PIL import Image + + + def compress_image(source_path, dest_path): + with Image.open(source_path) as img: + if img.mode != "RGB": + img = img.convert("RGB") + img.save(dest_path, "JPEG", optimize=True, quality=80) + + + paths = glob.glob("*.png") + for path in paths: + compress_image(path, path[:-4] + ".jpg") + +Since images can also be opened from a ``Path`` from the ``pathlib`` module, +the example could be modified to use ``pathlib`` instead of the ``glob`` +module. + +:: + + from pathlib import Path + + paths = Path(".").glob("*.png") + for path in paths: + compress_image(path, path.stem + ".jpg") + + Controlling the decoder ----------------------- @@ -524,12 +554,12 @@ This is only available for JPEG and MPO files. :: from PIL import Image - from __future__ import print_function - im = Image.open(file) - print("original =", im.mode, im.size) - im.draft("L", (100, 100)) - print("draft =", im.mode, im.size) + with Image.open(file) as im: + print("original =", im.mode, im.size) + + im.draft("L", (100, 100)) + print("draft =", im.mode, im.size) This prints something like:: diff --git a/docs/handbook/writing-your-own-file-decoder.rst b/docs/handbook/writing-your-own-file-decoder.rst index f72851179e3..f69da9a9441 100644 --- a/docs/handbook/writing-your-own-file-decoder.rst +++ b/docs/handbook/writing-your-own-file-decoder.rst @@ -3,19 +3,22 @@ Writing Your Own Image Plugin ============================= -The Pillow uses a plug-in model which allows you to add your own +Pillow uses a plugin model which allows you to add your own decoders to the library, without any changes to the library -itself. Such plug-ins usually have names like +itself. Such plugins usually have names like :file:`XxxImagePlugin.py`, where ``Xxx`` is a unique format name (usually an abbreviation). -.. warning:: Pillow >= 2.1.0 no longer automatically imports any file in the Python path with a name ending in :file:`ImagePlugin.py`. You will need to import your image plugin manually. +.. warning:: Pillow >= 2.1.0 no longer automatically imports any file + in the Python path with a name ending in + :file:`ImagePlugin.py`. You will need to import your + image plugin manually. -Pillow decodes files in 2 stages: +Pillow decodes files in two stages: 1. It loops over the available image plugins in the loaded order, and - calls the plugin's ``accept`` function with the first 16 bytes of - the file. If the ``accept`` function returns true, the plugin's + calls the plugin's ``_accept`` function with the first 16 bytes of + the file. If the ``_accept`` function returns true, the plugin's ``_open`` method is called to set up the image metadata and image tiles. The ``_open`` method is not for decoding the actual image data. @@ -23,26 +26,24 @@ Pillow decodes files in 2 stages: called, which sets up a decoder for each tile and feeds the data to it. -A decoder plug-in should contain a decoder class, based on the -:py:class:`PIL.ImageFile.ImageFile` base class. This class should provide an -:py:meth:`_open` method, which reads the file header and sets up at least the -:py:attr:`~PIL.Image.Image.mode` and :py:attr:`~PIL.Image.Image.size` -attributes. To be able to load the file, the method must also create a list of -:py:attr:`tile` descriptors. The class must be explicitly registered, via a -call to the :py:mod:`~PIL.Image` module. +An image plugin should contain a format handler derived from the +:py:class:`PIL.ImageFile.ImageFile` base class. This class should +provide an ``_open`` method, which reads the file header and +sets up at least the :py:attr:`~PIL.Image.Image.mode` and +:py:attr:`~PIL.Image.Image.size` attributes. To be able to load the +file, the method must also create a list of ``tile`` descriptors, +which contain a decoder name, extents of the tile, and +any decoder-specific data. The format handler class must be explicitly +registered, via a call to the :py:mod:`~PIL.Image` module. -For performance reasons, it is important that the :py:meth:`_open` method -quickly rejects files that do not have the appropriate contents. - -The ``raw`` decoder is useful for uncompressed image formats, but many -formats require more control of the decoding context, either with a -decoder written in ``C`` or by linking in an external library to do -the decoding. (Examples of this include PNG, Tiff, and Jpeg support) +.. note:: For performance reasons, it is important that the + ``_open`` method quickly rejects files that do not have the + appropriate contents. Example ------- -The following plug-in supports a simple format, which has a 128-byte header +The following plugin supports a simple format, which has a 128-byte header consisting of the words “SPAM” followed by the width, height, and pixel size in bits. The header fields are separated by spaces. The image data follows directly after the header, and can be either bi-level, greyscale, or 24-bit @@ -51,7 +52,11 @@ true color. **SpamImagePlugin.py**:: from PIL import Image, ImageFile - import string + + + def _accept(prefix): + return prefix[:4] == b"SPAM" + class SpamImageFile(ImageFile.ImageFile): @@ -60,15 +65,10 @@ true color. def _open(self): - # check header - header = self.fp.read(128) - if header[:4] != "SPAM": - raise SyntaxError, "not a SPAM file" - - header = string.split(header) + header = self.fp.read(128).split() # size in pixels (width, height) - self.size = int(header[1]), int(header[2]) + self._size = int(header[1]), int(header[2]) # mode setting bits = int(header[3]) @@ -79,34 +79,49 @@ true color. elif bits == 24: self.mode = "RGB" else: - raise SyntaxError, "unknown number of bits" + raise SyntaxError("unknown number of bits") # data descriptor - self.tile = [ - ("raw", (0, 0) + self.size, 128, (self.mode, 0, 1)) - ] + self.tile = [("raw", (0, 0) + self.size, 128, (self.mode, 0, 1))] + + + Image.register_open(SpamImageFile.format, SpamImageFile, _accept) - Image.register_open(SpamImageFile.format, SpamImageFile) + Image.register_extensions( + SpamImageFile.format, + [ + ".spam", + ".spa", # DOS version + ], + ) - Image.register_extension(SpamImageFile.format, ".spam") - Image.register_extension(SpamImageFile.format, ".spa") # dos version The format handler must always set the :py:attr:`~PIL.Image.Image.size` and :py:attr:`~PIL.Image.Image.mode` attributes. If these are not set, the file cannot be opened. To -simplify the decoder, the calling code considers exceptions like +simplify the plugin, the calling code considers exceptions like :py:exc:`SyntaxError`, :py:exc:`KeyError`, :py:exc:`IndexError`, :py:exc:`EOFError` and :py:exc:`struct.error` as a failure to identify the file. -Note that the decoder must be explicitly registered using +Note that the image plugin must be explicitly registered using :py:func:`PIL.Image.register_open`. Although not required, it is also a good idea to register any extensions used by this format. -The :py:attr:`tile` attribute ------------------------------ +Once the plugin has been imported, it can be used: -To be able to read the file as well as just identifying it, the :py:attr:`tile` +.. code-block:: python + + from PIL import Image + import SpamImagePlugin + + with Image.open("hopper.spam") as im: + pass + +The ``tile`` attribute +---------------------- + +To be able to read the file as well as just identifying it, the ``tile`` attribute must also be set. This attribute consists of a list of tile descriptors, where each descriptor specifies how data should be loaded to a given region in the image. In most cases, only a single descriptor is used, @@ -132,31 +147,36 @@ The fields are used as follows: **parameters** Parameters to the decoder. The contents of this field depends on the decoder specified by the first field in the tile descriptor tuple. If the - decoder doesn’t need any parameters, use None for this field. + decoder doesn’t need any parameters, use :data:`None` for this field. -Note that the :py:attr:`tile` attribute contains a list of tile descriptors, +Note that the ``tile`` attribute contains a list of tile descriptors, not just a single descriptor. +Decoders +======== + The raw decoder --------------- The ``raw`` decoder is used to read uncompressed data from an image file. It can be used with most uncompressed file formats, such as PPM, BMP, uncompressed TIFF, and many others. To use the raw decoder with the -:py:func:`PIL.Image.frombytes` function, use the following syntax:: +:py:func:`PIL.Image.frombytes` function, use the following syntax: + +.. code-block:: python image = Image.frombytes( mode, size, data, "raw", - raw mode, stride, orientation + raw_mode, stride, orientation ) When used in a tile descriptor, the parameter field should look like:: - (raw mode, stride, orientation) + (raw_mode, stride, orientation) The fields are used as follows: -**raw mode** +**raw_mode** The pixel layout used in the file, and is used to properly convert data to PIL’s internal layout. For a summary of the available formats, see the table below. @@ -167,48 +187,48 @@ The fields are used as follows: stride defaults to 0. **orientation** - Whether the first line in the image is the top line on the screen (1), or the bottom line (-1). If omitted, the orientation defaults to 1. The **raw mode** field is used to determine how the data should be unpacked to match PIL’s internal pixel layout. PIL supports a large set of raw modes; for a -complete list, see the table in the :py:mod:`Unpack.c` module. The following +complete list, see the table in the :file:`Unpack.c` module. The following table describes some commonly used **raw modes**: -+-----------+-----------------------------------------------------------------+ -| mode | description | -+===========+=================================================================+ -| ``1`` | 1-bit bilevel, stored with the leftmost pixel in the most | -| | significant bit. 0 means black, 1 means white. | -+-----------+-----------------------------------------------------------------+ -| ``1;I`` | 1-bit inverted bilevel, stored with the leftmost pixel in the | -| | most significant bit. 0 means white, 1 means black. | -+-----------+-----------------------------------------------------------------+ -| ``1;R`` | 1-bit reversed bilevel, stored with the leftmost pixel in the | -| | least significant bit. 0 means black, 1 means white. | -+-----------+-----------------------------------------------------------------+ -| ``L`` | 8-bit greyscale. 0 means black, 255 means white. | -+-----------+-----------------------------------------------------------------+ -| ``L;I`` | 8-bit inverted greyscale. 0 means white, 255 means black. | -+-----------+-----------------------------------------------------------------+ -| ``P`` | 8-bit palette-mapped image. | -+-----------+-----------------------------------------------------------------+ -| ``RGB`` | 24-bit true colour, stored as (red, green, blue). | -+-----------+-----------------------------------------------------------------+ -| ``BGR`` | 24-bit true colour, stored as (blue, green, red). | -+-----------+-----------------------------------------------------------------+ -| ``RGBX`` | 24-bit true colour, stored as (blue, green, red, pad). | -+-----------+-----------------------------------------------------------------+ -| ``RGB;L`` | 24-bit true colour, line interleaved (first all red pixels, the | -| | all green pixels, finally all blue pixels). | -+-----------+-----------------------------------------------------------------+ ++-----------+-------------------------------------------------------------------+ +| mode | description | ++===========+===================================================================+ +| ``1`` | | 1-bit bilevel, stored with the leftmost pixel in the most | +| | | significant bit. 0 means black, 1 means white. | ++-----------+-------------------------------------------------------------------+ +| ``1;I`` | | 1-bit inverted bilevel, stored with the leftmost pixel in the | +| | | most significant bit. 0 means white, 1 means black. | ++-----------+-------------------------------------------------------------------+ +| ``1;R`` | | 1-bit reversed bilevel, stored with the leftmost pixel in the | +| | | least significant bit. 0 means black, 1 means white. | ++-----------+-------------------------------------------------------------------+ +| ``L`` | 8-bit greyscale. 0 means black, 255 means white. | ++-----------+-------------------------------------------------------------------+ +| ``L;I`` | 8-bit inverted greyscale. 0 means white, 255 means black. | ++-----------+-------------------------------------------------------------------+ +| ``P`` | 8-bit palette-mapped image. | ++-----------+-------------------------------------------------------------------+ +| ``RGB`` | 24-bit true colour, stored as (red, green, blue). | ++-----------+-------------------------------------------------------------------+ +| ``BGR`` | 24-bit true colour, stored as (blue, green, red). | ++-----------+-------------------------------------------------------------------+ +| ``RGBX`` | | 24-bit true colour, stored as (red, green, blue, pad). The pad | +| | | pixels may vary. | ++-----------+-------------------------------------------------------------------+ +| ``RGB;L`` | | 24-bit true colour, line interleaved (first all red pixels, then| +| | | all green pixels, finally all blue pixels). | ++-----------+-------------------------------------------------------------------+ Note that for the most common cases, the raw mode is simply the same as the mode. The Python Imaging Library supports many other decoders, including JPEG, PNG, and PackBits. For details, see the :file:`decode.c` source file, and the -standard plug-in implementations provided with the library. +standard plugin implementations provided with the library. Decoding floating point data ---------------------------- @@ -220,7 +240,7 @@ You can use the ``raw`` decoder to read images where data is packed in any standard machine data type, using one of the following raw modes: ============ ======================================= -mode description +mode description ============ ======================================= ``F`` 32-bit native floating point. ``F;8`` 8-bit unsigned integer. @@ -252,9 +272,12 @@ If the raw decoder cannot handle your format, PIL also provides a special “bit decoder that can be used to read various packed formats into a floating point image memory. -To use the bit decoder with the frombytes function, use the following syntax:: +To use the bit decoder with the :py:func:`PIL.Image.frombytes` function, use +the following syntax: + +.. code-block:: python - image = frombytes( + image = Image.frombytes( mode, size, data, "bit", bits, pad, fill, sign, orientation ) @@ -304,13 +327,14 @@ The fields are used as follows: .. _file-decoders: -Writing Your Own File Decoder -============================= +Writing Your Own File Decoder in C +================================== There are 3 stages in a file decoder's lifetime: -1. Setup: Pillow looks for a function named ``[decodername]_decoder`` - on the internal core image object. That function is called with the ``args`` tuple +1. Setup: Pillow looks for a function in the decoder registry, falling + back to a function named ``[decodername]_decoder`` on the internal + core image object. That function is called with the ``args`` tuple from the ``tile`` setup in the ``_open`` method. 2. Decoding: The decoder's decode function is repeatedly called with @@ -345,13 +369,10 @@ interest in this object are: The target image, will be set by Pillow. **state** - An ImagingCodecStateInstance, will be set by Pillow. The **context** + An ImagingCodecStateInstance, will be set by Pillow. The ``context`` member is an opaque struct that can be used by the decoder to store any format specific state or options. -**handles_eof** - UNDONE, set if your code handles EOF errors. - **pulls_fd** **EXPERIMENTAL** -- **WARNING**, interface may change. If set to 1, ``state->fd`` will be a pointer to the Python file like object. The @@ -391,3 +412,24 @@ The cleanup function is called after the decoder returns a negative value, or if there is a read error from the file. This function should free any allocated memory and release any resources from external libraries. + +.. _file-decoders-py: + +Writing Your Own File Decoder in Python +======================================= + +Python file decoders should derive from +:py:class:`PIL.ImageFile.PyDecoder` and should at least override the +decode method. File decoders should be registered using +:py:meth:`PIL.Image.register_decoder`. As in the C implementation of +the file decoders, there are three stages in the lifetime of a +Python-based file decoder: + +1. Setup: Pillow looks for the decoder in the registry, then + instantiates the class. + +2. Decoding: The decoder instance's ``decode`` method is repeatedly + called with a buffer of data to be interpreted. + +3. Cleanup: The decoder instance's ``cleanup`` method is called. + diff --git a/docs/index.rst b/docs/index.rst index b8455be6027..0e16259f309 100644 --- a/docs/index.rst +++ b/docs/index.rst @@ -3,40 +3,72 @@ Pillow Pillow is the friendly PIL fork by `Alex Clark and Contributors `_. PIL is the Python Imaging Library by Fredrik Lundh and Contributors. -.. image:: https://zenodo.org/badge/17549/python-pillow/Pillow.svg - :target: https://zenodo.org/badge/latestdoi/17549/python-pillow/Pillow +Pillow for enterprise is available via the Tidelift Subscription. `Learn more `_. .. image:: https://readthedocs.org/projects/pillow/badge/?version=latest :target: https://pillow.readthedocs.io/?badge=latest :alt: Documentation Status -.. image:: https://travis-ci.org/python-pillow/Pillow.svg?branch=master - :target: https://travis-ci.org/python-pillow/Pillow - :alt: Travis CI build status (Linux) +.. image:: https://github.com/python-pillow/Pillow/workflows/Lint/badge.svg + :target: https://github.com/python-pillow/Pillow/actions?query=workflow%3ALint + :alt: GitHub Actions build status (Lint) + +.. image:: https://github.com/python-pillow/Pillow/workflows/Test%20Docker/badge.svg + :target: https://github.com/python-pillow/Pillow/actions?query=workflow%3A%22Test+Docker%22 + :alt: GitHub Actions build status (Test Docker) -.. image:: https://travis-ci.org/python-pillow/pillow-wheels.svg?branch=latest - :target: https://travis-ci.org/python-pillow/pillow-wheels - :alt: Travis CI build status (macOS) +.. image:: https://github.com/python-pillow/Pillow/workflows/Test/badge.svg + :target: https://github.com/python-pillow/Pillow/actions?query=workflow%3ATest + :alt: GitHub Actions build status (Test Linux and macOS) -.. image:: https://img.shields.io/appveyor/ci/python-pillow/Pillow/master.svg?label=Windows%20build +.. image:: https://github.com/python-pillow/Pillow/workflows/Test%20Windows/badge.svg + :target: https://github.com/python-pillow/Pillow/actions?query=workflow%3A%22Test+Windows%22 + :alt: GitHub Actions build status (Test Windows) + +.. image:: https://img.shields.io/appveyor/build/python-pillow/Pillow/main.svg?label=Windows%20build :target: https://ci.appveyor.com/project/python-pillow/Pillow :alt: AppVeyor CI build status (Windows) +.. image:: https://github.com/python-pillow/pillow-wheels/workflows/Wheels/badge.svg + :target: https://github.com/python-pillow/pillow-wheels/actions + :alt: GitHub Actions wheels build status (Wheels) + +.. image:: https://img.shields.io/travis/com/python-pillow/pillow-wheels/main.svg?label=aarch64%20wheels + :target: https://travis-ci.com/github/python-pillow/pillow-wheels + :alt: Travis CI wheels build status (aarch64) + +.. image:: https://codecov.io/gh/python-pillow/Pillow/branch/main/graph/badge.svg + :target: https://codecov.io/gh/python-pillow/Pillow + :alt: Code coverage + +.. image:: https://zenodo.org/badge/17549/python-pillow/Pillow.svg + :target: https://zenodo.org/badge/latestdoi/17549/python-pillow/Pillow + :alt: Zenodo + +.. image:: https://tidelift.com/badges/package/pypi/Pillow?style=flat + :target: https://tidelift.com/subscription/pkg/pypi-pillow?utm_source=pypi-pillow&utm_medium=badge + :alt: Tidelift + +.. image:: https://github.com/python-pillow/Pillow/actions/workflows/tidelift.yml/badge.svg + :target: https://github.com/python-pillow/Pillow/actions/workflows/tidelift.yml + :alt: Tidelift Align + .. image:: https://img.shields.io/pypi/v/pillow.svg - :target: https://pypi.python.org/pypi/Pillow/ + :target: https://pypi.org/project/Pillow/ :alt: Latest PyPI version .. image:: https://img.shields.io/pypi/dm/pillow.svg - :target: https://pypi.python.org/pypi/Pillow/ + :target: https://pypi.org/project/Pillow/ :alt: Number of PyPI downloads -.. image:: https://coveralls.io/repos/python-pillow/Pillow/badge.svg?branch=master - :target: https://coveralls.io/github/python-pillow/Pillow?branch=master - :alt: Code coverage +Overview +======== -.. image:: https://landscape.io/github/python-pillow/Pillow/master/landscape.svg - :target: https://landscape.io/github/python-pillow/Pillow/master - :alt: Code health +The Python Imaging Library adds image processing capabilities to your Python interpreter. + +This library provides extensive file format support, an efficient internal representation, and fairly powerful image processing capabilities. + +The core image library is designed for fast access to data stored in a few basic pixel formats. It should provide a solid foundation for a general image processing tool. .. toctree:: :maxdepth: 2 @@ -47,12 +79,7 @@ Pillow is the friendly PIL fork by `Alex Clark and Contributors - Support via Gratipay - + deprecations.rst Indices and tables ================== diff --git a/docs/installation.rst b/docs/installation.rst index 35b4e54fd59..df21a7cdc68 100644 --- a/docs/installation.rst +++ b/docs/installation.rst @@ -6,16 +6,44 @@ Warnings .. warning:: Pillow and PIL cannot co-exist in the same environment. Before installing Pillow, please uninstall PIL. -.. warning:: Pillow >= 1.0 no longer supports "import Image". Please use "from PIL import Image" instead. - -.. warning:: Pillow >= 2.1.0 no longer supports "import _imaging". Please use "from PIL.Image import core as _imaging" instead. - -Notes ------ - -.. note:: Pillow < 2.0.0 supports Python versions 2.4, 2.5, 2.6, 2.7. - -.. note:: Pillow >= 2.0.0 supports Python versions 2.6, 2.7, 3.2, 3.3, 3.4, 3.5 +.. warning:: Pillow >= 1.0 no longer supports ``import Image``. Please use ``from PIL import Image`` instead. + +.. warning:: Pillow >= 2.1.0 no longer supports ``import _imaging``. Please use ``from PIL.Image import core as _imaging`` instead. + +Python Support +-------------- + +Pillow supports these Python versions. + ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Python |3.10 | 3.9 | 3.8 | 3.7 | 3.6 | 3.5 | 3.4 | 2.7 | ++======================+=====+=====+=====+=====+=====+=====+=====+=====+ +| Pillow >= 9.0 | Yes | Yes | Yes | Yes | | | | | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 8.3.2 - 8.4 | Yes | Yes | Yes | Yes | Yes | | | | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 8.0 - 8.3.1 | | Yes | Yes | Yes | Yes | | | | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 7.0 - 7.2 | | | Yes | Yes | Yes | Yes | | | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 6.2.1 - 6.2.2 | | | Yes | Yes | Yes | Yes | | Yes | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 6.0 - 6.2.0 | | | | Yes | Yes | Yes | | Yes | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 5.2 - 5.4 | | | | Yes | Yes | Yes | Yes | Yes | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ + ++------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+ +| Python | 3.6 | 3.5 | 3.4 | 3.3 | 3.2 | 2.7 | 2.6 | 2.5 | 2.4 | ++==================+=====+=====+=====+=====+=====+=====+=====+=====+=====+ +| Pillow 5.0 - 5.1 | Yes | Yes | Yes | | | Yes | | | | ++------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 4 | Yes | Yes | Yes | Yes | | Yes | | | | ++------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 2 - 3 | | Yes | Yes | Yes | Yes | Yes | Yes | | | ++------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow < 2 | | | | | | Yes | Yes | Yes | Yes | ++------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+ Basic Installation ------------------ @@ -26,55 +54,53 @@ Basic Installation most common image formats. See :ref:`external-libraries` for a full list of external libraries supported. -.. note:: - - The basic installation works on Windows and macOS using the binaries - from PyPI. Other installations require building from source as - detailed below. - Install Pillow with :command:`pip`:: - $ pip install Pillow - -Or use :command:`easy_install` for installing `Python Eggs -`_ as -:command:`pip` does not support them:: - - $ easy_install Pillow + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow Windows Installation ^^^^^^^^^^^^^^^^^^^^ We provide Pillow binaries for Windows compiled for the matrix of -supported Pythons in both 32 and 64-bit versions in wheel, egg, and -executable installers. These binaries have all of the optional -libraries included:: +supported Pythons in both 32 and 64-bit versions in the wheel format. +These binaries include support for all optional libraries except +libimagequant and libxcb. Raqm support requires +FriBiDi to be installed separately:: - > pip install Pillow + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow -or:: - - > easy_install Pillow +To install Pillow in MSYS2, see `Building on Windows using MSYS2/MinGW`_. macOS Installation -^^^^^^^^^^^^^^^^^ +^^^^^^^^^^^^^^^^^^ -We provide binaries for macOS for each of the supported Python versions -in the wheel format. These include support for all optional libraries -except OpenJPEG:: +We provide binaries for macOS for each of the supported Python +versions in the wheel format. These include support for all optional +libraries except libimagequant. Raqm support requires +FriBiDi to be installed separately:: - $ pip install Pillow + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow Linux Installation ^^^^^^^^^^^^^^^^^^ -We do not provide binaries for Linux. Most major Linux distributions, -including Fedora, Debian/Ubuntu and ArchLinux include Pillow in -packages that previously contained PIL e.g. ``python-imaging``. Please -consider using native operating system packages first to avoid -installation problems and/or missing library support later. +We provide binaries for Linux for each of the supported Python +versions in the manylinux wheel format. These include support for all +optional libraries except libimagequant. Raqm support requires +FriBiDi to be installed separately:: + + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow + +Most major Linux distributions, including Fedora, Ubuntu and ArchLinux +also include Pillow in packages that previously contained PIL e.g. +``python-imaging``. Debian splits it into two packages, ``python3-pil`` +and ``python3-pil.imagetk``. FreeBSD Installation ^^^^^^^^^^^^^^^^^^^^ @@ -83,18 +109,17 @@ Pillow can be installed on FreeBSD via the official Ports or Packages systems: **Ports**:: - $ cd /usr/ports/graphics/py-pillow && make install clean + cd /usr/ports/graphics/py-pillow && make install clean **Packages**:: - $ pkg install py27-pillow + pkg install py38-pillow .. note:: The `Pillow FreeBSD port `_ and packages - are tested by the ports team with all supported FreeBSD versions - and against Python 2.x and 3.x. + are tested by the ports team with all supported FreeBSD versions. Building From Source @@ -102,7 +127,7 @@ Building From Source Download and extract the `compressed archive from PyPI`_. -.. _compressed archive from PyPI: https://pypi.python.org/pypi/Pillow +.. _compressed archive from PyPI: https://pypi.org/project/Pillow/ .. _external-libraries: @@ -117,15 +142,16 @@ External Libraries .. note:: - There are scripts to install the dependencies for some operating - systems included in the ``depends`` directory. + There are Dockerfiles in our `Docker images repo + `_ to install the + dependencies for some operating systems. Many of Pillow's features require external libraries: * **libjpeg** provides JPEG functionality. - * Pillow has been tested with libjpeg versions **6b**, **8**, **9**, and - **9a** and libjpeg-turbo version **8**. + * Pillow has been tested with libjpeg versions **6b**, **8**, **9-9d** and + libjpeg-turbo version **8**. * Starting with Pillow 3.0.0, libjpeg is required by default, but may be disabled with the ``--disable-jpeg`` flag. @@ -136,14 +162,14 @@ Many of Pillow's features require external libraries: * **libtiff** provides compressed TIFF functionality - * Pillow has been tested with libtiff versions **3.x** and **4.0** + * Pillow has been tested with libtiff versions **3.x** and **4.0-4.3** * **libfreetype** provides type related services * **littlecms** provides color management * Pillow version 2.2.1 and below uses liblcms1, Pillow 2.3.0 and - above uses liblcms2. Tested with **1.19** and **2.7**. + above uses liblcms2. Tested with **1.19** and **2.7-2.12**. * **libwebp** provides the WebP format. @@ -155,22 +181,41 @@ Many of Pillow's features require external libraries: * **openjpeg** provides JPEG 2000 functionality. - * Pillow has been tested with openjpeg **2.0.0** and **2.1.0**. + * Pillow has been tested with openjpeg **2.0.0**, **2.1.0**, **2.3.1** and **2.4.0**. * Pillow does **not** support the earlier **1.5** series which ships - with Ubuntu and Debian. + with Debian Jessie. * **libimagequant** provides improved color quantization - * Pillow has been tested with libimagequant **2.6.0** + * Pillow has been tested with libimagequant **2.6-2.17.0** * Libimagequant is licensed GPLv3, which is more restrictive than the Pillow license, therefore we will not be distributing binaries with libimagequant support enabled. - * Windows support: Libimagequant requires VS2013/MSVC 18 to compile, - so it is unlikely to work with any Python prior to 3.5 on Windows. + +* **libraqm** provides complex text layout support. + + * libraqm provides bidirectional text support (using FriBiDi), + shaping (using HarfBuzz), and proper script itemization. As a + result, Raqm can support most writing systems covered by Unicode. + * libraqm depends on the following libraries: FreeType, HarfBuzz, + FriBiDi, make sure that you install them before installing libraqm + if not available as package in your system. + * Setting text direction or font features is not supported without libraqm. + * Pillow wheels since version 8.2.0 include a modified version of libraqm that + loads libfribidi at runtime if it is installed. + On Windows this requires compiling FriBiDi and installing ``fribidi.dll`` + into a directory listed in the `Dynamic-Link Library Search Order (Microsoft Docs) + `_ + (``fribidi-0.dll`` or ``libfribidi-0.dll`` are also detected). + See `Build Options`_ to see how to build this version. + * Previous versions of Pillow (5.0.0 to 8.1.2) linked libraqm dynamically at runtime. + +* **libxcb** provides X11 screengrab support. Once you have installed the prerequisites, run:: - $ pip install Pillow + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow If the prerequisites are installed in the standard library locations for your machine (e.g. :file:`/usr` or :file:`/usr/local`), no @@ -180,7 +225,7 @@ those locations by editing :file:`setup.py` or :file:`setup.cfg`, or by adding environment variables on the command line:: - $ CFLAGS="-I/usr/pkg/include" pip install pillow + CFLAGS="-I/usr/pkg/include" python3 -m pip install --upgrade Pillow If Pillow has been previously built without the required prerequisites, it may be necessary to manually clear the pip cache or @@ -191,26 +236,33 @@ build with newly installed external libraries. Build Options ^^^^^^^^^^^^^ -* Environment Variable: ``MAX_CONCURRENCY=n``. By default, Pillow will - use multiprocessing to build the extension on all available CPUs, - but not more than 4. Setting ``MAX_CONCURRENCY`` to 1 will disable - parallel building. +* Environment variable: ``MAX_CONCURRENCY=n``. Pillow can use + multiprocessing to build the extension. Setting ``MAX_CONCURRENCY`` + sets the number of CPUs to use, or can disable parallel building by + using a setting of 1. By default, it uses 4 CPUs, or if 4 are not + available, as many as are present. * Build flags: ``--disable-zlib``, ``--disable-jpeg``, - ``--disable-tiff``, ``--disable-freetype``, ``--disable-tcl``, - ``--disable-tk``, ``--disable-lcms``, ``--disable-webp``, - ``--disable-webpmux``, ``--disable-jpeg2000``, ``--disable-imagequant``. + ``--disable-tiff``, ``--disable-freetype``, ``--disable-lcms``, + ``--disable-webp``, ``--disable-webpmux``, ``--disable-jpeg2000``, + ``--disable-imagequant``, ``--disable-xcb``. Disable building the corresponding feature even if the development libraries are present on the building machine. * Build flags: ``--enable-zlib``, ``--enable-jpeg``, - ``--enable-tiff``, ``--enable-freetype``, ``--enable-tcl``, - ``--enable-tk``, ``--enable-lcms``, ``--enable-webp``, - ``--enable-webpmux``, ``--enable-jpeg2000``, ``--enable-imagequant``. + ``--enable-tiff``, ``--enable-freetype``, ``--enable-lcms``, + ``--enable-webp``, ``--enable-webpmux``, ``--enable-jpeg2000``, + ``--enable-imagequant``, ``--enable-xcb``. Require that the corresponding feature is built. The build will raise an exception if the libraries are not found. Webpmux (WebP metadata) relies on WebP support. Tcl and Tk also must be used together. +* Build flags: ``--vendor-raqm --vendor-fribidi`` + These flags are used to compile a modified version of libraqm and + a shim that dynamically loads libfribidi at runtime. These are + used to compile the standard Pillow wheels. Compiling libraqm requires + a C99-compliant compiler. + * Build flag: ``--disable-platform-guessing``. Skips all of the platform dependent guessing of include and library directories for automated build systems that configure the proper paths in the @@ -221,17 +273,13 @@ Build Options stdout. -Sample Usage:: +Sample usage:: - $ MAX_CONCURRENCY=1 python setup.py build_ext --enable-[feature] install - -or using pip:: - - $ pip install pillow --global-option="build_ext" --global-option="--enable-[feature]" + python3 -m pip install --upgrade Pillow --global-option="build_ext" --global-option="--enable-[feature]" Building on macOS -^^^^^^^^^^^^^^^^ +^^^^^^^^^^^^^^^^^ The Xcode command line tools are required to compile portions of Pillow. The tools are installed by running ``xcode-select --install`` @@ -241,41 +289,83 @@ have the full Xcode package installed. It may be necessary to run tools. The easiest way to install external libraries is via `Homebrew -`_. After you install Homebrew, run:: +`_. After you install Homebrew, run:: + + brew install libtiff libjpeg webp little-cms2 + +To install libraqm on macOS use Homebrew to install its dependencies:: - $ brew install libtiff libjpeg webp little-cms2 + brew install freetype harfbuzz fribidi -Install Pillow with:: +Then see ``depends/install_raqm_cmake.sh`` to install libraqm. - $ pip install Pillow +Now install Pillow with:: + + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow or from within the uncompressed source directory:: - $ python setup.py install + python3 -m pip install . Building on Windows ^^^^^^^^^^^^^^^^^^^ -We don't recommend trying to build on Windows. It is a maze of twisty -passages, mostly dead ends. There are build scripts and notes for the -Windows build in the ``winbuild`` directory. +We recommend you use prebuilt wheels from PyPI. +If you wish to compile Pillow manually, you can use the build scripts +in the ``winbuild`` directory used for CI testing and development. +These scripts require Visual Studio 2017 or newer and NASM. + +Building on Windows using MSYS2/MinGW +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +To build Pillow using MSYS2, make sure you run the **MSYS2 MinGW 32-bit** or +**MSYS2 MinGW 64-bit** console, *not* **MSYS2** directly. + +The following instructions target the 64-bit build, for 32-bit +replace all occurrences of ``mingw-w64-x86_64-`` with ``mingw-w64-i686-``. + +Make sure you have Python and GCC installed:: + + pacman -S \ + mingw-w64-x86_64-gcc \ + mingw-w64-x86_64-python3 \ + mingw-w64-x86_64-python3-pip \ + mingw-w64-x86_64-python3-setuptools + +Prerequisites are installed on **MSYS2 MinGW 64-bit** with:: + + pacman -S \ + mingw-w64-x86_64-libjpeg-turbo \ + mingw-w64-x86_64-zlib \ + mingw-w64-x86_64-libtiff \ + mingw-w64-x86_64-freetype \ + mingw-w64-x86_64-lcms2 \ + mingw-w64-x86_64-libwebp \ + mingw-w64-x86_64-openjpeg2 \ + mingw-w64-x86_64-libimagequant \ + mingw-w64-x86_64-libraqm + +Now install Pillow with:: + + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow + Building on FreeBSD ^^^^^^^^^^^^^^^^^^^ -.. Note:: Only FreeBSD 10 tested +.. Note:: Only FreeBSD 10 and 11 tested -Make sure you have Python's development libraries installed.:: +Make sure you have Python's development libraries installed:: - $ sudo pkg install python2 + sudo pkg install python3 -Or for Python 3:: +Prerequisites are installed on **FreeBSD 10 or 11** with:: - $ sudo pkg install python3 + sudo pkg install jpeg-turbo tiff webp lcms2 freetype2 openjpeg harfbuzz fribidi libxcb -Prerequisites are installed on **FreeBSD 10** with:: - - $ sudo pkg install jpeg tiff webp lcms2 freetype2 +Then see ``depends/install_raqm_cmake.sh`` to install libraqm. Building on Linux @@ -286,103 +376,196 @@ development libraries installed. In Debian or Ubuntu:: - $ sudo apt-get install python-dev python-setuptools - -Or for Python 3:: - - $ sudo apt-get install python3-dev python3-setuptools + sudo apt-get install python3-dev python3-setuptools In Fedora, the command is:: - $ sudo dnf install python-devel redhat-rpm-config + sudo dnf install python3-devel redhat-rpm-config -Or for Python 3:: +In Alpine, the command is:: - $ sudo dnf install python3-devel redhat-rpm-config + sudo apk add python3-dev py3-setuptools .. Note:: ``redhat-rpm-config`` is required on Fedora 23, but not earlier versions. -Prerequisites are installed on **Ubuntu 12.04 LTS** or **Raspian Wheezy -7.0** with:: +Prerequisites for **Ubuntu 16.04 LTS - 20.04 LTS** are installed with:: + + sudo apt-get install libtiff5-dev libjpeg8-dev libopenjp2-7-dev zlib1g-dev \ + libfreetype6-dev liblcms2-dev libwebp-dev tcl8.6-dev tk8.6-dev python3-tk \ + libharfbuzz-dev libfribidi-dev libxcb1-dev + +Then see ``depends/install_raqm.sh`` to install libraqm. - $ sudo apt-get install libtiff4-dev libjpeg8-dev zlib1g-dev \ - libfreetype6-dev liblcms2-dev libwebp-dev tcl8.5-dev tk8.5-dev python-tk +Prerequisites are installed on recent **Red Hat**, **CentOS** or **Fedora** with:: -Prerequisites are installed on **Ubuntu 14.04 LTS** with:: + sudo dnf install libtiff-devel libjpeg-devel openjpeg2-devel zlib-devel \ + freetype-devel lcms2-devel libwebp-devel tcl-devel tk-devel \ + harfbuzz-devel fribidi-devel libraqm-devel libimagequant-devel libxcb-devel - $ sudo apt-get install libtiff5-dev libjpeg8-dev zlib1g-dev \ - libfreetype6-dev liblcms2-dev libwebp-dev tcl8.6-dev tk8.6-dev python-tk +Note that the package manager may be yum or DNF, depending on the +exact distribution. + +Prerequisites are installed for **Alpine** with:: + + sudo apk add tiff-dev jpeg-dev openjpeg-dev zlib-dev freetype-dev lcms2-dev \ + libwebp-dev tcl-dev tk-dev harfbuzz-dev fribidi-dev libimagequant-dev \ + libxcb-dev libpng-dev + +See also the ``Dockerfile``\s in the Test Infrastructure repo +(https://github.com/python-pillow/docker-images) for a known working +install process for other tested distros. + +Building on Android +^^^^^^^^^^^^^^^^^^^ -Prerequisites are installed on **Fedora 23** with:: +Basic Android support has been added for compilation within the Termux +environment. The dependencies can be installed by:: - $ sudo dnf install libtiff-devel libjpeg-devel zlib-devel freetype-devel \ - lcms2-devel libwebp-devel tcl-devel tk-devel + pkg install -y python ndk-sysroot clang make \ + libjpeg-turbo +This has been tested within the Termux app on ChromeOS, on x86. Platform Support ---------------- -Current platform support for Pillow. Binary distributions are contributed for -each release on a volunteer basis, but the source should compile and run -everywhere platform support is listed. In general, we aim to support all -current versions of Linux, macOS, and Windows. +Current platform support for Pillow. Binary distributions are +contributed for each release on a volunteer basis, but the source +should compile and run everywhere platform support is listed. In +general, we aim to support all current versions of Linux, macOS, and +Windows. + +Continuous Integration Targets +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +These platforms are built and tested for every change. + ++----------------------------------+----------------------------+---------------------+ +| Operating system | Tested Python versions | Tested architecture | ++==================================+============================+=====================+ +| Alpine | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Amazon Linux 2 | 3.7 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Arch | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| CentOS 7 | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| CentOS 8 | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| CentOS Stream 8 | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Debian 10 Buster | 3.7 | x86 | ++----------------------------------+----------------------------+---------------------+ +| Fedora 34 | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Fedora 35 | 3.10 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| macOS 10.15 Catalina | 3.7, 3.8, 3.9, 3.10, PyPy3 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Ubuntu Linux 18.04 LTS (Bionic) | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Ubuntu Linux 20.04 LTS (Focal) | 3.7, 3.8, 3.9, 3.10, PyPy3 | x86-64 | +| +----------------------------+---------------------+ +| | 3.8 | arm64v8, ppc64le, | +| | | s390x | ++----------------------------------+----------------------------+---------------------+ +| Windows Server 2016 | 3.7 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Windows Server 2019 | 3.7, 3.8, 3.9, 3.10, PyPy3 | x86, x86-64 | +| +----------------------------+---------------------+ +| | 3.9/MinGW | x86, x86-64 | ++----------------------------------+----------------------------+---------------------+ + + +Other Platforms +^^^^^^^^^^^^^^^ + +These platforms have been reported to work at the versions mentioned. .. note:: Contributors please test Pillow on your platform then update this document and send a pull request. -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -|**Operating system** |**Supported**|**Tested Python versions** |**Latest tested Pillow version**|**Tested processors** | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Mac OS X 10.11 El Capitan |Yes | 2.7,3.3,3.4,3.5 | 3.3.0 |x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Mac OS X 10.10 Yosemite |Yes | 2.7,3.3,3.4 | 3.0.0 |x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Mac OS X 10.9 Mavericks |Yes | 2.7,3.2,3.3,3.4 | 3.0.0 |x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Mac OS X 10.8 Mountain Lion |Yes | 2.6,2.7,3.2,3.3 | |x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Redhat Linux 6 |Yes | 2.6 | |x86 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| CentOS 6.3 |Yes | 2.7,3.3 | |x86 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Fedora 23 |Yes | 2.7,3.4 | 3.1.0 |x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Ubuntu Linux 10.04 LTS |Yes | 2.6 | 2.3.0 |x86,x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Ubuntu Linux 12.04 LTS |Yes | 2.6,2.7,3.2,3.3,3.4,3.5 | 3.1.0 |x86,x86-64 | -| | | PyPy2.4,PyPy3,v2.3 | | | -| | | | | | -| | | 2.7,3.2 | 2.6.1 |ppc | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Ubuntu Linux 14.04 LTS |Yes | 2.7,3.4 | 3.1.0 |x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Debian 8.2 Jessie |Yes | 2.7,3.4 | 3.1.0 |x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Raspian Jessie |Yes | 2.7,3.4 | 3.1.0 |arm | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Gentoo Linux |Yes | 2.7,3.2 | 2.1.0 |x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| FreeBSD 10.2 |Yes | 2.7,3.4 | 3.1.0 |x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Windows 7 Pro |Yes | 2.7,3.2,3.3 | 2.2.1 |x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Windows Server 2008 R2 Enterprise|Yes | 3.3 | |x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Windows Server 2012 R2 |Yes | 2.7,3.3,3.4 | 3.0.0 |x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Windows 8 Pro |Yes | 2.6,2.7,3.2,3.3,3.4a3 | 2.2.0 |x86,x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ -| Windows 8.1 Pro |Yes | 2.6,2.7,3.2,3.3,3.4 | 2.4.0 |x86,x86-64 | -+----------------------------------+-------------+------------------------------+--------------------------------+-----------------------+ ++----------------------------------+---------------------------+------------------+--------------+ +| Operating system | | Tested Python | | Latest tested | | Tested | +| | | versions | | Pillow version | | processors | ++==================================+===========================+==================+==============+ +| macOS 11.0 Big Sur | 3.7, 3.8, 3.9, 3.10 | 8.4.0 |arm | +| +---------------------------+------------------+--------------+ +| | 3.6, 3.7, 3.8, 3.9, 3.10 | 8.4.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| macOS 10.15 Catalina | 3.6, 3.7, 3.8, 3.9 | 8.3.2 |x86-64 | +| +---------------------------+------------------+ | +| | 3.5 | 7.2.0 | | ++----------------------------------+---------------------------+------------------+--------------+ +| macOS 10.14 Mojave | 3.5, 3.6, 3.7, 3.8 | 7.2.0 |x86-64 | +| +---------------------------+------------------+ | +| | 2.7 | 6.0.0 | | +| +---------------------------+------------------+ | +| | 3.4 | 5.4.1 | | ++----------------------------------+---------------------------+------------------+--------------+ +| macOS 10.13 High Sierra | 2.7, 3.4, 3.5, 3.6 | 4.2.1 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| macOS 10.12 Sierra | 2.7, 3.4, 3.5, 3.6 | 4.1.1 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Mac OS X 10.11 El Capitan | 2.7, 3.4, 3.5, 3.6, 3.7 | 5.4.1 |x86-64 | +| +---------------------------+------------------+ | +| | 3.3 | 4.1.0 | | ++----------------------------------+---------------------------+------------------+--------------+ +| Mac OS X 10.9 Mavericks | 2.7, 3.2, 3.3, 3.4 | 3.0.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Mac OS X 10.8 Mountain Lion | 2.6, 2.7, 3.2, 3.3 | |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Redhat Linux 6 | 2.6 | |x86 | ++----------------------------------+---------------------------+------------------+--------------+ +| CentOS 6.3 | 2.7, 3.3 | |x86 | ++----------------------------------+---------------------------+------------------+--------------+ +| Fedora 23 | 2.7, 3.4 | 3.1.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Ubuntu Linux 12.04 LTS (Precise) | | 2.6, 3.2, 3.3, 3.4, 3.5 | 3.4.1 |x86,x86-64 | +| | | PyPy5.3.1, PyPy3 v2.4.0 | | | +| +---------------------------+------------------+--------------+ +| | 2.7 | 4.3.0 |x86-64 | +| +---------------------------+------------------+--------------+ +| | 2.7, 3.2 | 3.4.1 |ppc | ++----------------------------------+---------------------------+------------------+--------------+ +| Ubuntu Linux 10.04 LTS (Lucid) | 2.6 | 2.3.0 |x86,x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Debian 8.2 Jessie | 2.7, 3.4 | 3.1.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Raspbian Jessie | 2.7, 3.4 | 3.1.0 |arm | ++----------------------------------+---------------------------+------------------+--------------+ +| Raspbian Stretch | 2.7, 3.5 | 4.0.0 |arm | ++----------------------------------+---------------------------+------------------+--------------+ +| Raspberry Pi OS | 3.6, 3.7, 3.8, 3.9 | 8.2.0 |arm | +| +---------------------------+------------------+ | +| | 2.7 | 6.2.2 | | ++----------------------------------+---------------------------+------------------+--------------+ +| Gentoo Linux | 2.7, 3.2 | 2.1.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| FreeBSD 11.1 | 2.7, 3.4, 3.5, 3.6 | 4.3.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| FreeBSD 10.3 | 2.7, 3.4, 3.5 | 4.2.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| FreeBSD 10.2 | 2.7, 3.4 | 3.1.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Windows 10 | 3.7 | 7.1.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Windows 8.1 Pro | 2.6, 2.7, 3.2, 3.3, 3.4 | 2.4.0 |x86,x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Windows 8 Pro | 2.6, 2.7, 3.2, 3.3, 3.4a3 | 2.2.0 |x86,x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Windows 7 Professional | 3.7 | 7.0.0 |x86,x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Windows Server 2008 R2 Enterprise| 3.3 | |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ Old Versions ------------ -You can download old distributions from `PyPI -`_. Only the latest major -releases for Python 2.x and 3.x are visible, but all releases are -available by direct URL access -e.g. https://pypi.python.org/pypi/Pillow/1.0. +You can download old distributions from the `release history at PyPI +`_ and by direct URL access +eg. https://pypi.org/project/Pillow/1.0/. diff --git a/docs/porting.rst b/docs/porting.rst index 50b713fac3f..2943d72fd69 100644 --- a/docs/porting.rst +++ b/docs/porting.rst @@ -3,9 +3,14 @@ Porting **Porting existing PIL-based code to Pillow** -Pillow is a functional drop-in replacement for the Python Imaging Library. To -run your existing PIL-compatible code with Pillow, it needs to be modified to -import the ``Image`` module from the ``PIL`` namespace *instead* of the +Pillow is a functional drop-in replacement for the Python Imaging Library. + +PIL is Python 2 only. Pillow dropped support for Python 2 in Pillow +7.0. So if you would like to run the latest version of Pillow, you will first +and foremost need to port your code from Python 2 to 3. + +To run your existing PIL-compatible code with Pillow, it needs to be modified +to import the ``Image`` module from the ``PIL`` namespace *instead* of the global namespace. Change this:: import Image @@ -14,7 +19,8 @@ to this:: from PIL import Image -The :py:mod:`_imaging` module has been moved. You can now import it like this:: +The :py:mod:`PIL._imaging` module has been moved to :py:mod:`PIL.Image.core`. +You can now import it like this:: from PIL.Image import core as _imaging diff --git a/docs/reference/ExifTags.rst b/docs/reference/ExifTags.rst index 9fc7cd13ba3..4567d4d3e79 100644 --- a/docs/reference/ExifTags.rst +++ b/docs/reference/ExifTags.rst @@ -1,13 +1,14 @@ .. py:module:: PIL.ExifTags .. py:currentmodule:: PIL.ExifTags -:py:mod:`ExifTags` Module -========================== +:py:mod:`~PIL.ExifTags` Module +============================== -The :py:mod:`ExifTags` module exposes two dictionaries which +The :py:mod:`~PIL.ExifTags` module exposes two dictionaries which provide constants and clear-text names for various well-known EXIF tags. -.. py:class:: PIL.ExifTags.TAGS +.. py:data:: TAGS + :type: dict The TAG dictionary maps 16-bit integer EXIF tag enumerations to descriptive string names. For instance: @@ -16,7 +17,8 @@ provide constants and clear-text names for various well-known EXIF tags. >>> TAGS[0x010e] 'ImageDescription' -.. py:class:: PIL.ExifTags.GPSTAGS +.. py:data:: GPSTAGS + :type: dict The GPSTAGS dictionary maps 8-bit integer EXIF gps enumerations to descriptive string names. For instance: diff --git a/docs/reference/Image.rst b/docs/reference/Image.rst index ac8b6f506e4..c80b28a984b 100644 --- a/docs/reference/Image.rst +++ b/docs/reference/Image.rst @@ -1,8 +1,8 @@ .. py:module:: PIL.Image .. py:currentmodule:: PIL.Image -:py:mod:`Image` Module -====================== +:py:mod:`~PIL.Image` Module +=========================== The :py:mod:`~PIL.Image` module provides a class with the same name which is used to represent a PIL image. The module also provides a number of factory @@ -12,25 +12,25 @@ images. Examples -------- -The following script loads an image, rotates it 45 degrees, and displays it -using an external viewer (usually xv on Unix, and the paint program on -Windows). - Open, rotate, and display an image (using the default viewer) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +The following script loads an image, rotates it 45 degrees, and displays it +using an external viewer (usually xv on Unix, and the Paint program on +Windows). + .. code-block:: python from PIL import Image - im = Image.open("bride.jpg") - im.rotate(45).show() - -The following script creates nice 128x128 thumbnails of all JPEG images in the -current directory. + with Image.open("hopper.jpg") as im: + im.rotate(45).show() Create thumbnails ^^^^^^^^^^^^^^^^^ +The following script creates nice thumbnails of all JPEG images in the +current directory preserving aspect ratios with 128x128 max resolution. + .. code-block:: python from PIL import Image @@ -40,9 +40,9 @@ Create thumbnails for infile in glob.glob("*.jpg"): file, ext = os.path.splitext(infile) - im = Image.open(infile) - im.thumbnail(size) - im.save(file + ".thumbnail", "JPEG") + with Image.open(infile) as im: + im.thumbnail(size) + im.save(file + ".thumbnail", "JPEG") Functions --------- @@ -52,14 +52,22 @@ Functions .. warning:: To protect against potential DOS attacks caused by "`decompression bombs`_" (i.e. malicious files which decompress into a huge amount of data and are designed to crash or cause disruption by using up - a lot of memory), Pillow will issue a `DecompressionBombWarning` if the image is over a certain - limit. If desired, the warning can be turned into an error with + a lot of memory), Pillow will issue a ``DecompressionBombWarning`` if the number of pixels in an + image is over a certain limit, :py:data:`PIL.Image.MAX_IMAGE_PIXELS`. + + This threshold can be changed by setting :py:data:`PIL.Image.MAX_IMAGE_PIXELS`. It can be disabled + by setting ``Image.MAX_IMAGE_PIXELS = None``. + + If desired, the warning can be turned into an error with ``warnings.simplefilter('error', Image.DecompressionBombWarning)`` or suppressed entirely with - ``warnings.simplefilter('ignore', Image.DecompressionBombWarning)``. See also `the logging - documentation`_ to have warnings output to the logging facility instead of stderr. + ``warnings.simplefilter('ignore', Image.DecompressionBombWarning)``. See also + `the logging documentation`_ to have warnings output to the logging facility instead of stderr. + + If the number of pixels is greater than twice :py:data:`PIL.Image.MAX_IMAGE_PIXELS`, then a + ``DecompressionBombError`` will be raised instead. - .. _decompression bombs: https://en.wikipedia.org/wiki/Zip_bomb - .. _the logging documentation: https://docs.python.org/2/library/logging.html?highlight=logging#integration-with-the-warnings-module + .. _decompression bombs: https://en.wikipedia.org/wiki/Zip_bomb + .. _the logging documentation: https://docs.python.org/3/library/logging.html#integration-with-the-warnings-module Image processing ^^^^^^^^^^^^^^^^ @@ -76,9 +84,16 @@ Constructing images .. autofunction:: new .. autofunction:: fromarray .. autofunction:: frombytes -.. autofunction:: fromstring .. autofunction:: frombuffer +Generating images +^^^^^^^^^^^^^^^^^ + +.. autofunction:: effect_mandelbrot +.. autofunction:: effect_noise +.. autofunction:: linear_gradient +.. autofunction:: radial_gradient + Registering plugins ^^^^^^^^^^^^^^^^^^^ @@ -90,7 +105,12 @@ Registering plugins .. autofunction:: register_open .. autofunction:: register_mime .. autofunction:: register_save +.. autofunction:: register_save_all .. autofunction:: register_extension +.. autofunction:: register_extensions +.. autofunction:: registered_extensions +.. autofunction:: register_decoder +.. autofunction:: register_encoder The Image Class --------------- @@ -101,6 +121,8 @@ An instance of the :py:class:`~PIL.Image.Image` class has the following methods. Unless otherwise stated, all methods return a new instance of the :py:class:`~PIL.Image.Image` class, holding the resulting image. + +.. automethod:: PIL.Image.Image.alpha_composite .. automethod:: PIL.Image.Image.convert The following example converts an RGB image (linearly calibrated according to @@ -111,22 +133,78 @@ ITU-R 709, using the D65 luminant) to the CIE XYZ color space: rgb2xyz = ( 0.412453, 0.357580, 0.180423, 0, 0.212671, 0.715160, 0.072169, 0, - 0.019334, 0.119193, 0.950227, 0 ) + 0.019334, 0.119193, 0.950227, 0) out = im.convert("RGB", rgb2xyz) .. automethod:: PIL.Image.Image.copy .. automethod:: PIL.Image.Image.crop + +This crops the input image with the provided coordinates: + +.. code-block:: python + + from PIL import Image + + with Image.open("hopper.jpg") as im: + + # The crop method from the Image module takes four coordinates as input. + # The right can also be represented as (left+width) + # and lower can be represented as (upper+height). + (left, upper, right, lower) = (20, 20, 100, 100) + + # Here the image "im" is cropped and assigned to new variable im_crop + im_crop = im.crop((left, upper, right, lower)) + + .. automethod:: PIL.Image.Image.draft +.. automethod:: PIL.Image.Image.effect_spread +.. automethod:: PIL.Image.Image.entropy .. automethod:: PIL.Image.Image.filter + +This blurs the input image using a filter from the ``ImageFilter`` module: + +.. code-block:: python + + from PIL import Image, ImageFilter + + with Image.open("hopper.jpg") as im: + + # Blur the input image using the filter ImageFilter.BLUR + im_blurred = im.filter(filter=ImageFilter.BLUR) + +.. automethod:: PIL.Image.Image.frombytes .. automethod:: PIL.Image.Image.getbands + +This helps to get the bands of the input image: + +.. code-block:: python + + from PIL import Image + + with Image.open("hopper.jpg") as im: + print(im.getbands()) # Returns ('R', 'G', 'B') + .. automethod:: PIL.Image.Image.getbbox + +This helps to get the bounding box coordinates of the input image: + +.. code-block:: python + + from PIL import Image + + with Image.open("hopper.jpg") as im: + print(im.getbbox()) + # Returns four coordinates in the format (left, upper, right, lower) + +.. automethod:: PIL.Image.Image.getchannel .. automethod:: PIL.Image.Image.getcolors .. automethod:: PIL.Image.Image.getdata +.. automethod:: PIL.Image.Image.getexif .. automethod:: PIL.Image.Image.getextrema .. automethod:: PIL.Image.Image.getpalette .. automethod:: PIL.Image.Image.getpixel +.. automethod:: PIL.Image.Image.getprojection .. automethod:: PIL.Image.Image.histogram -.. automethod:: PIL.Image.Image.offset .. automethod:: PIL.Image.Image.paste .. automethod:: PIL.Image.Image.point .. automethod:: PIL.Image.Image.putalpha @@ -134,8 +212,37 @@ ITU-R 709, using the D65 luminant) to the CIE XYZ color space: .. automethod:: PIL.Image.Image.putpalette .. automethod:: PIL.Image.Image.putpixel .. automethod:: PIL.Image.Image.quantize +.. automethod:: PIL.Image.Image.reduce +.. automethod:: PIL.Image.Image.remap_palette .. automethod:: PIL.Image.Image.resize + +This resizes the given image from ``(width, height)`` to ``(width/2, height/2)``: + +.. code-block:: python + + from PIL import Image + + with Image.open("hopper.jpg") as im: + + # Provide the target width and height of the image + (width, height) = (im.width // 2, im.height // 2) + im_resized = im.resize((width, height)) + .. automethod:: PIL.Image.Image.rotate + +This rotates the input image by ``theta`` degrees counter clockwise: + +.. code-block:: python + + from PIL import Image + + with Image.open("hopper.jpg") as im: + + # Rotate the image by 60 degrees counter clockwise + theta = 60 + # Angle is in degrees counter clockwise + im_rotated = im.rotate(angle=theta) + .. automethod:: PIL.Image.Image.save .. automethod:: PIL.Image.Image.seek .. automethod:: PIL.Image.Image.show @@ -144,64 +251,78 @@ ITU-R 709, using the D65 luminant) to the CIE XYZ color space: .. automethod:: PIL.Image.Image.thumbnail .. automethod:: PIL.Image.Image.tobitmap .. automethod:: PIL.Image.Image.tobytes -.. automethod:: PIL.Image.Image.tostring .. automethod:: PIL.Image.Image.transform .. automethod:: PIL.Image.Image.transpose -.. automethod:: PIL.Image.Image.verify -.. automethod:: PIL.Image.Image.fromstring +This flips the input image by using the :data:`FLIP_LEFT_RIGHT` method. + +.. code-block:: python + + from PIL import Image + + with Image.open("hopper.jpg") as im: + + # Flip the image from left to right + im_flipped = im.transpose(method=Image.FLIP_LEFT_RIGHT) + # To flip the image from top to bottom, + # use the method "Image.FLIP_TOP_BOTTOM" + + +.. automethod:: PIL.Image.Image.verify .. automethod:: PIL.Image.Image.load .. automethod:: PIL.Image.Image.close -Attributes ----------- +Image Attributes +---------------- Instances of the :py:class:`Image` class have the following attributes: -.. py:attribute:: format +.. py:attribute:: Image.filename + :type: str + + The filename or path of the source file. Only images created with the + factory function ``open`` have a filename attribute. If the input is a + file like object, the filename attribute is set to an empty string. + +.. py:attribute:: Image.format + :type: Optional[str] The file format of the source file. For images created by the library itself (via a factory function, or by running a method on an existing - image), this attribute is set to ``None``. + image), this attribute is set to :data:`None`. - :type: :py:class:`string` or ``None`` - -.. py:attribute:: mode +.. py:attribute:: Image.mode + :type: str Image mode. This is a string specifying the pixel format used by the image. Typical values are “1”, “L”, “RGB”, or “CMYK.” See :ref:`concept-modes` for a full list. - :type: :py:class:`string` - -.. py:attribute:: size +.. py:attribute:: Image.size + :type: tuple[int] Image size, in pixels. The size is given as a 2-tuple (width, height). - :type: ``(width, height)`` - -.. py:attribute:: width +.. py:attribute:: Image.width + :type: int Image width, in pixels. - :type: :py:class:`int` - -.. py:attribute:: height +.. py:attribute:: Image.height + :type: int Image height, in pixels. - :type: :py:class:`int` +.. py:attribute:: Image.palette + :type: Optional[PIL.ImagePalette.ImagePalette] -.. py:attribute:: palette + Colour palette table, if any. If mode is "P" or "PA", this should be an + instance of the :py:class:`~PIL.ImagePalette.ImagePalette` class. + Otherwise, it should be set to :data:`None`. - Colour palette table, if any. If mode is “P”, this should be an instance of - the :py:class:`~PIL.ImagePalette.ImagePalette` class. Otherwise, it should - be set to ``None``. - - :type: :py:class:`~PIL.ImagePalette.ImagePalette` or ``None`` - -.. py:attribute:: info +.. py:attribute:: Image.info + :type: dict A dictionary holding data associated with the image. This dictionary is used by file handlers to pass on various non-image information read from @@ -214,4 +335,171 @@ Instances of the :py:class:`Image` class have the following attributes: Unless noted elsewhere, this dictionary does not affect saving files. - :type: :py:class:`dict` +.. py:attribute:: Image.is_animated + :type: bool + + ``True`` if this image has more than one frame, or ``False`` otherwise. + + This attribute is only defined by image plugins that support animated images. + Plugins may leave this attribute undefined if they don't support loading + animated images, even if the given format supports animated images. + + Given that this attribute is not present for all images use + ``getattr(image, "is_animated", False)`` to check if Pillow is aware of multiple + frames in an image regardless of its format. + + .. seealso:: :attr:`~Image.n_frames`, :func:`~Image.seek` and :func:`~Image.tell` + +.. py:attribute:: Image.n_frames + :type: int + + The number of frames in this image. + + This attribute is only defined by image plugins that support animated images. + Plugins may leave this attribute undefined if they don't support loading + animated images, even if the given format supports animated images. + + Given that this attribute is not present for all images use + ``getattr(image, "n_frames", 1)`` to check the number of frames that Pillow is + aware of in an image regardless of its format. + + .. seealso:: :attr:`~Image.is_animated`, :func:`~Image.seek` and :func:`~Image.tell` + +Classes +------- + +.. autoclass:: PIL.Image.Exif + :members: + :undoc-members: + :show-inheritance: +.. autoclass:: PIL.Image.ImagePointHandler +.. autoclass:: PIL.Image.ImageTransformHandler + +Constants +--------- + +.. data:: NONE +.. data:: MAX_IMAGE_PIXELS + + Set to 89,478,485, approximately 0.25GB for a 24-bit (3 bpp) image. + See :py:meth:`~PIL.Image.open` for more information about how this is used. + +Transpose methods +^^^^^^^^^^^^^^^^^ + +Used to specify the :meth:`Image.transpose` method to use. + +.. data:: FLIP_LEFT_RIGHT +.. data:: FLIP_TOP_BOTTOM +.. data:: ROTATE_90 +.. data:: ROTATE_180 +.. data:: ROTATE_270 +.. data:: TRANSPOSE +.. data:: TRANSVERSE + +Transform methods +^^^^^^^^^^^^^^^^^ + +Used to specify the :meth:`Image.transform` method to use. + +.. data:: AFFINE + + Affine transform + +.. data:: EXTENT + + Cut out a rectangular subregion + +.. data:: PERSPECTIVE + + Perspective transform + +.. data:: QUAD + + Map a quadrilateral to a rectangle + +.. data:: MESH + + Map a number of source quadrilaterals in one operation + +Resampling filters +^^^^^^^^^^^^^^^^^^ + +See :ref:`concept-filters` for details. + +.. data:: NEAREST + :noindex: +.. data:: BOX + :noindex: +.. data:: BILINEAR + :noindex: +.. data:: HAMMING + :noindex: +.. data:: BICUBIC + :noindex: +.. data:: LANCZOS + :noindex: + +Some filters are also available under the following names for backwards compatibility: + +.. data:: NONE + :noindex: + :value: NEAREST +.. data:: LINEAR + :value: BILINEAR +.. data:: CUBIC + :value: BICUBIC +.. data:: ANTIALIAS + :value: LANCZOS + +Dither modes +^^^^^^^^^^^^ + +Used to specify the dithering method to use for the +:meth:`~Image.convert` and :meth:`~Image.quantize` methods. + +.. data:: NONE + :noindex: + + No dither + +.. comment: (not implemented) + .. data:: ORDERED + .. data:: RASTERIZE + +.. data:: FLOYDSTEINBERG + + Floyd-Steinberg dither + +Palettes +^^^^^^^^ + +Used to specify the pallete to use for the :meth:`~Image.convert` method. + +.. data:: WEB +.. data:: ADAPTIVE + +Quantization methods +^^^^^^^^^^^^^^^^^^^^ + +Used to specify the quantization method to use for the :meth:`~Image.quantize` method. + +.. data:: MEDIANCUT + + Median cut. Default method, except for RGBA images. This method does not support + RGBA images. + +.. data:: MAXCOVERAGE + + Maximum coverage. This method does not support RGBA images. + +.. data:: FASTOCTREE + + Fast octree. Default method for RGBA images. + +.. data:: LIBIMAGEQUANT + + libimagequant + + Check support using :py:func:`PIL.features.check_feature` + with ``feature="libimagequant"``. diff --git a/docs/reference/ImageChops.rst b/docs/reference/ImageChops.rst index 8d08315b078..9519361a7e6 100644 --- a/docs/reference/ImageChops.rst +++ b/docs/reference/ImageChops.rst @@ -1,15 +1,15 @@ .. py:module:: PIL.ImageChops .. py:currentmodule:: PIL.ImageChops -:py:mod:`ImageChops` ("Channel Operations") Module -================================================== +:py:mod:`~PIL.ImageChops` ("Channel Operations") Module +======================================================= -The :py:mod:`ImageChops` module contains a number of arithmetical image +The :py:mod:`~PIL.ImageChops` module contains a number of arithmetical image operations, called channel operations (“chops”). These can be used for various purposes, including special effects, image compositions, algorithmic painting, and more. -For more pre-made operations, see :py:mod:`ImageOps`. +For more pre-made operations, see :py:mod:`~PIL.ImageOps`. At this time, most channel operations are only implemented for 8-bit images (e.g. “L” and “RGB”). @@ -34,7 +34,11 @@ operations in this module). .. autofunction:: PIL.ImageChops.lighter .. autofunction:: PIL.ImageChops.logical_and .. autofunction:: PIL.ImageChops.logical_or +.. autofunction:: PIL.ImageChops.logical_xor .. autofunction:: PIL.ImageChops.multiply +.. autofunction:: PIL.ImageChops.soft_light +.. autofunction:: PIL.ImageChops.hard_light +.. autofunction:: PIL.ImageChops.overlay .. autofunction:: PIL.ImageChops.offset .. autofunction:: PIL.ImageChops.screen .. autofunction:: PIL.ImageChops.subtract diff --git a/docs/reference/ImageCms.rst b/docs/reference/ImageCms.rst index 351d3dc2ce5..f938e63a0bc 100644 --- a/docs/reference/ImageCms.rst +++ b/docs/reference/ImageCms.rst @@ -1,16 +1,37 @@ .. py:module:: PIL.ImageCms .. py:currentmodule:: PIL.ImageCms -:py:mod:`ImageCms` Module -========================= +:py:mod:`~PIL.ImageCms` Module +============================== -The :py:mod:`ImageCms` module provides color profile management +The :py:mod:`~PIL.ImageCms` module provides color profile management support using the LittleCMS2 color management engine, based on Kevin Cazabon's PyCMS library. -.. automodule:: PIL.ImageCms - :members: - :noindex: +.. autoclass:: ImageCmsTransform +.. autoexception:: PyCMSError + +Functions +--------- + +.. autofunction:: applyTransform +.. autofunction:: buildProofTransform +.. autofunction:: buildProofTransformFromOpenProfiles +.. autofunction:: buildTransform +.. autofunction:: buildTransformFromOpenProfiles +.. autofunction:: createProfile +.. autofunction:: getDefaultIntent +.. autofunction:: getOpenProfile +.. autofunction:: getProfileCopyright +.. autofunction:: getProfileDescription +.. autofunction:: getProfileInfo +.. autofunction:: getProfileManufacturer +.. autofunction:: getProfileModel +.. autofunction:: getProfileName +.. autofunction:: get_display_profile +.. autofunction:: isIntentSupported +.. autofunction:: profileToProfile +.. autofunction:: versions CmsProfile ---------- @@ -25,87 +46,73 @@ can be easily displayed in a chromaticity diagram, for example). .. py:class:: CmsProfile .. py:attribute:: creation_date + :type: Optional[datetime.datetime] Date and time this profile was first created (see 7.2.1 of ICC.1:2010). - :type: :py:class:`datetime.datetime` or ``None`` - .. py:attribute:: version + :type: float The version number of the ICC standard that this profile follows - (e.g. `2.0`). - - :type: :py:class:`float` + (e.g. ``2.0``). .. py:attribute:: icc_version + :type: int - Same as `version`, but in encoded format (see 7.2.4 of ICC.1:2010). + Same as ``version``, but in encoded format (see 7.2.4 of ICC.1:2010). .. py:attribute:: device_class + :type: str 4-character string identifying the profile class. One of ``scnr``, ``mntr``, ``prtr``, ``link``, ``spac``, ``abst``, ``nmcl`` (see 7.2.5 of ICC.1:2010 for details). - :type: :py:class:`string` - .. py:attribute:: xcolor_space + :type: str 4-character string (padded with whitespace) identifying the color space, e.g. ``XYZ␣``, ``RGB␣`` or ``CMYK`` (see 7.2.6 of ICC.1:2010 for details). - Note that the deprecated attribute ``color_space`` contains an - interpreted (non-padded) variant of this (but can be empty on - unknown input). - - :type: :py:class:`string` - .. py:attribute:: connection_space + :type: str 4-character string (padded with whitespace) identifying the color space on the B-side of the transform (see 7.2.7 of ICC.1:2010 for details). - Note that the deprecated attribute ``pcs`` contains an interpreted - (non-padded) variant of this (but can be empty on unknown input). - - :type: :py:class:`string` - .. py:attribute:: header_flags + :type: int The encoded header flags of the profile (see 7.2.11 of ICC.1:2010 for details). - :type: :py:class:`int` - .. py:attribute:: header_manufacturer + :type: str 4-character string (padded with whitespace) identifying the device manufacturer, which shall match the signature contained in the appropriate section of the ICC signature registry found at www.color.org (see 7.2.12 of ICC.1:2010). - :type: :py:class:`string` - .. py:attribute:: header_model + :type: str 4-character string (padded with whitespace) identifying the device model, which shall match the signature contained in the appropriate section of the ICC signature registry found at www.color.org (see 7.2.13 of ICC.1:2010). - :type: :py:class:`string` - .. py:attribute:: attributes + :type: int Flags used to identify attributes unique to the particular device setup for which the profile is applicable (see 7.2.14 of ICC.1:2010 for details). - :type: :py:class:`int` - .. py:attribute:: rendering_intent + :type: int The rendering intent to use when combining this profile with another profile (usually overridden at run-time, but provided here @@ -114,143 +121,135 @@ can be easily displayed in a chromaticity diagram, for example). One of ``ImageCms.INTENT_ABSOLUTE_COLORIMETRIC``, ``ImageCms.INTENT_PERCEPTUAL``, ``ImageCms.INTENT_RELATIVE_COLORIMETRIC`` and ``ImageCms.INTENT_SATURATION``. - :type: :py:class:`int` - .. py:attribute:: profile_id + :type: bytes A sequence of 16 bytes identifying the profile (via a specially constructed MD5 sum), or 16 binary zeroes if the profile ID has not been calculated (see 7.2.18 of ICC.1:2010). - :type: :py:class:`bytes` - .. py:attribute:: copyright + :type: Optional[str] The text copyright information for the profile (see 9.2.21 of ICC.1:2010). - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: manufacturer + :type: Optional[str] - The (english) display string for the device manufacturer (see + The (English) display string for the device manufacturer (see 9.2.22 of ICC.1:2010). - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: model + :type: Optional[str] - The (english) display string for the device model of the device + The (English) display string for the device model of the device for which this profile is created (see 9.2.23 of ICC.1:2010). - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: profile_description + :type: Optional[str] - The (english) display string for the profile description (see + The (English) display string for the profile description (see 9.2.41 of ICC.1:2010). - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: target + :type: Optional[str] The name of the registered characterization data set, or the measurement data for a characterization target (see 9.2.14 of ICC.1:2010). - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: red_colorant + :type: Optional[tuple[tuple[float]]] The first column in the matrix used in matrix/TRC transforms (see 9.2.44 of ICC.1:2010). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: green_colorant + :type: Optional[tuple[tuple[float]]] The second column in the matrix used in matrix/TRC transforms (see 9.2.30 of ICC.1:2010). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: blue_colorant + :type: Optional[tuple[tuple[float]]] The third column in the matrix used in matrix/TRC transforms (see 9.2.4 of ICC.1:2010). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: luminance + :type: Optional[tuple[tuple[float]]] The absolute luminance of emissive devices in candelas per square metre as described by the Y channel (see 9.2.32 of ICC.1:2010). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: chromaticity + :type: Optional[tuple[tuple[float]]] The data of the phosphor/colorant chromaticity set used (red, green and blue channels, see 9.2.16 of ICC.1:2010). - :type: ``((x, y, Y), (x, y, Y), (x, y, Y))`` or ``None`` + The value is in the format ``((x, y, Y), (x, y, Y), (x, y, Y))``, if available. .. py:attribute:: chromatic_adaption + :type: tuple[tuple[float]] The chromatic adaption matrix converts a color measured using the actual illumination conditions and relative to the actual adopted - white, to an color relative to the PCS adopted white, with + white, to a color relative to the PCS adopted white, with complete adaptation from the actual adopted white chromaticity to the PCS adopted white chromaticity (see 9.2.15 of ICC.1:2010). - Two matrices are returned, one in (X, Y, Z) space and one in (x, y, Y) space. - - :type: 2-tuple of 3-tuple, the first with (X, Y, Z) and the second with (x, y, Y) values + Two 3-tuples of floats are returned in a 2-tuple, + one in (X, Y, Z) space and one in (x, y, Y) space. .. py:attribute:: colorant_table + :type: list[str] This tag identifies the colorants used in the profile by a unique name and set of PCSXYZ or PCSLAB values (see 9.2.19 of ICC.1:2010). - :type: list of strings - .. py:attribute:: colorant_table_out + :type: list[str] This tag identifies the colorants used in the profile by a unique name and set of PCSLAB values (for DeviceLink profiles only, see 9.2.19 of ICC.1:2010). - :type: list of strings - .. py:attribute:: colorimetric_intent + :type: Optional[str] 4-character string (padded with whitespace) identifying the image state of PCS colorimetry produced using the colorimetric intent transforms (see 9.2.20 of ICC.1:2010 for details). - :type: :py:class:`string` or ``None`` - .. py:attribute:: perceptual_rendering_intent_gamut + :type: Optional[str] 4-character string (padded with whitespace) identifying the (one) standard reference medium gamut (see 9.2.37 of ICC.1:2010 for details). - :type: :py:class:`string` or ``None`` - .. py:attribute:: saturation_rendering_intent_gamut + :type: Optional[str] 4-character string (padded with whitespace) identifying the (one) standard reference medium gamut (see 9.2.37 of ICC.1:2010 for details). - :type: :py:class:`string` or ``None`` - .. py:attribute:: technology + :type: Optional[str] 4-character string (padded with whitespace) identifying the device technology (see 9.2.47 of ICC.1:2010 for details). - :type: :py:class:`string` or ``None`` - .. py:attribute:: media_black_point + :type: Optional[tuple[tuple[float]]] This tag specifies the media black point and is used for generating absolute colorimetry. @@ -258,57 +257,57 @@ can be easily displayed in a chromaticity diagram, for example). This tag was available in ICC 3.2, but it is removed from version 4. - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: media_white_point_temperature + :type: Optional[float] Calculates the white point temperature (see the LCMS documentation for more information). - :type: :py:class:`float` or `None` - .. py:attribute:: viewing_condition + :type: Optional[str] - The (english) display string for the viewing conditions (see + The (English) display string for the viewing conditions (see 9.2.48 of ICC.1:2010). - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: screening_description + :type: Optional[str] - The (english) display string for the screening conditions. + The (English) display string for the screening conditions. This tag was available in ICC 3.2, but it is removed from version 4. - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: red_primary + :type: Optional[tuple[tuple[float]]] The XYZ-transformed of the RGB primary color red (1, 0, 0). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: green_primary + :type: Optional[tuple[tuple[float]]] The XYZ-transformed of the RGB primary color green (0, 1, 0). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: blue_primary + :type: Optional[tuple[tuple[float]]] The XYZ-transformed of the RGB primary color blue (0, 0, 1). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: is_matrix_shaper + :type: bool True if this profile is implemented as a matrix shaper (see documentation on LCMS). - :type: :py:class:`bool` - .. py:attribute:: clut + :type: dict[tuple[bool]] Returns a dictionary of all supported intents and directions for the CLUT model. @@ -326,9 +325,8 @@ can be easily displayed in a chromaticity diagram, for example). The elements of the tuple are booleans. If the value is ``True``, that intent is supported for that direction. - :type: :py:class:`dict` of boolean 3-tuples - .. py:attribute:: intent_supported + :type: dict[tuple[bool]] Returns a dictionary of all supported intents and directions. @@ -345,64 +343,6 @@ can be easily displayed in a chromaticity diagram, for example). The elements of the tuple are booleans. If the value is ``True``, that intent is supported for that direction. - :type: :py:class:`dict` of boolean 3-tuples - - .. py:attribute:: color_space - - Deprecated but retained for backwards compatibility. - Interpreted value of :py:attr:`.xcolor_space`. May be the - empty string if value could not be decoded. - - :type: :py:class:`string` - - .. py:attribute:: pcs - - Deprecated but retained for backwards compatibility. - Interpreted value of :py:attr:`.connection_space`. May be - the empty string if value could not be decoded. - - :type: :py:class:`string` - - .. py:attribute:: product_model - - Deprecated but retained for backwards compatibility. - ASCII-encoded value of :py:attr:`.model`. - - :type: :py:class:`string` - - .. py:attribute:: product_manufacturer - - Deprecated but retained for backwards compatibility. - ASCII-encoded value of :py:attr:`.manufacturer`. - - :type: :py:class:`string` - - .. py:attribute:: product_copyright - - Deprecated but retained for backwards compatibility. - ASCII-encoded value of :py:attr:`.copyright`. - - :type: :py:class:`string` - - .. py:attribute:: product_description - - Deprecated but retained for backwards compatibility. - ASCII-encoded value of :py:attr:`.profile_description`. - - :type: :py:class:`string` - - .. py:attribute:: product_desc - - Deprecated but retained for backwards compatibility. - ASCII-encoded value of :py:attr:`.profile_description`. - - This alias of :py:attr:`.product_description` used to - contain a derived informative string about the profile, - depending on the value of the description, copyright, - manufacturer and model fields). - - :type: :py:class:`string` - There is one function defined on the class: .. py:method:: is_intent_supported(intent, direction) @@ -413,10 +353,10 @@ can be easily displayed in a chromaticity diagram, for example). with :py:attr:`.intent_supported`. :param intent: One of ``ImageCms.INTENT_ABSOLUTE_COLORIMETRIC``, - ``ImageCms.INTENT_PERCEPTUAL``, - ``ImageCms.INTENT_RELATIVE_COLORIMETRIC`` - and ``ImageCms.INTENT_SATURATION``. + ``ImageCms.INTENT_PERCEPTUAL``, + ``ImageCms.INTENT_RELATIVE_COLORIMETRIC`` + and ``ImageCms.INTENT_SATURATION``. :param direction: One of ``ImageCms.DIRECTION_INPUT``, - ``ImageCms.DIRECTION_OUTPUT`` - and ``ImageCms.DIRECTION_PROOF`` + ``ImageCms.DIRECTION_OUTPUT`` + and ``ImageCms.DIRECTION_PROOF`` :return: Boolean if the intent and direction is supported. diff --git a/docs/reference/ImageColor.rst b/docs/reference/ImageColor.rst index da9b406e1aa..20237eccf78 100644 --- a/docs/reference/ImageColor.rst +++ b/docs/reference/ImageColor.rst @@ -1,12 +1,12 @@ .. py:module:: PIL.ImageColor .. py:currentmodule:: PIL.ImageColor -:py:mod:`ImageColor` Module -=========================== +:py:mod:`~PIL.ImageColor` Module +================================ -The :py:mod:`ImageColor` module contains color tables and converters from +The :py:mod:`~PIL.ImageColor` module contains color tables and converters from CSS3-style color specifiers to RGB tuples. This module is used by -:py:meth:`PIL.Image.Image.new` and the :py:mod:`~PIL.ImageDraw` module, among +:py:meth:`PIL.Image.new` and the :py:mod:`~PIL.ImageDraw` module, among others. .. _color-names: @@ -16,8 +16,11 @@ Color Names The ImageColor module supports the following string formats: -* Hexadecimal color specifiers, given as ``#rgb`` or ``#rrggbb``. For example, - ``#ff0000`` specifies pure red. +* Hexadecimal color specifiers, given as ``#rgb``, ``#rgba``, ``#rrggbb`` or + ``#rrggbbaa``, where ``r`` is red, ``g`` is green, ``b`` is blue and ``a`` is + alpha (also called 'opacity'). For example, ``#ff0000`` specifies pure red, + and ``#ff0000cc`` specifies red with 80% opacity (``cc`` is 204 in decimal + form, and 204 / 255 = 0.8). * RGB functions, given as ``rgb(red, green, blue)`` where the color values are integers in the range 0 to 255. Alternatively, the color values can be given @@ -31,6 +34,13 @@ The ImageColor module supports the following string formats: (black=0%, normal=50%, white=100%). For example, ``hsl(0,100%,50%)`` is pure red. +* Hue-Saturation-Value (HSV) functions, given as ``hsv(hue, saturation%, + value%)`` where hue and saturation are the same as HSL, and value is between + 0% and 100% (black=0%, normal=100%). For example, ``hsv(0,100%,100%)`` is + pure red. This format is also known as Hue-Saturation-Brightness (HSB), and + can be given as ``hsb(hue, saturation%, brightness%)``, where each of the + values are used as they are in HSV. + * Common HTML color names. The :py:mod:`~PIL.ImageColor` module provides some 140 standard color names, based on the colors supported by the X Window system and most web browsers. color names are case insensitive. For example, @@ -39,5 +49,17 @@ The ImageColor module supports the following string formats: Functions --------- -.. autofunction:: getrgb -.. autofunction:: getcolor +.. py:method:: getrgb(color) + + Convert a color string to an RGB tuple. If the string cannot be parsed, + this function raises a :py:exc:`ValueError` exception. + + .. versionadded:: 1.1.4 + +.. py:method:: getcolor(color, mode) + + Same as :py:func:`~PIL.ImageColor.getrgb`, but converts the RGB value to a + greyscale value if the mode is not color or a palette image. If the string + cannot be parsed, this function raises a :py:exc:`ValueError` exception. + + .. versionadded:: 1.1.4 diff --git a/docs/reference/ImageDraw.rst b/docs/reference/ImageDraw.rst index 842407c9092..b95d8d591a7 100644 --- a/docs/reference/ImageDraw.rst +++ b/docs/reference/ImageDraw.rst @@ -1,34 +1,34 @@ .. py:module:: PIL.ImageDraw .. py:currentmodule:: PIL.ImageDraw -:py:mod:`ImageDraw` Module -========================== +:py:mod:`~PIL.ImageDraw` Module +=============================== -The :py:mod:`ImageDraw` module provide simple 2D graphics for +The :py:mod:`~PIL.ImageDraw` module provides simple 2D graphics for :py:class:`~PIL.Image.Image` objects. You can use this module to create new images, annotate or retouch existing images, and to generate graphics on the fly for web use. For a more advanced drawing library for PIL, see the `aggdraw module`_. -.. _aggdraw module: http://effbot.org/zone/aggdraw-index.htm +.. _aggdraw module: https://github.com/pytroll/aggdraw Example: Draw a gray cross over an image ---------------------------------------- .. code-block:: python + import sys from PIL import Image, ImageDraw - im = Image.open("lena.pgm") + with Image.open("hopper.jpg") as im: - draw = ImageDraw.Draw(im) - draw.line((0, 0) + im.size, fill=128) - draw.line((0, im.size[1], im.size[0], 0), fill=128) - del draw + draw = ImageDraw.Draw(im) + draw.line((0, 0) + im.size, fill=128) + draw.line((0, im.size[1], im.size[0], 0), fill=128) - # write to stdout - im.save(sys.stdout, "PNG") + # write to stdout + im.save(sys.stdout, "PNG") Concepts @@ -38,13 +38,14 @@ Coordinates ^^^^^^^^^^^ The graphics interface uses the same coordinate system as PIL itself, with (0, -0) in the upper left corner. +0) in the upper left corner. Any pixels drawn outside of the image bounds will +be discarded. Colors ^^^^^^ To specify colors, you can use numbers or tuples just as you would use with -:py:meth:`PIL.Image.Image.new` or :py:meth:`PIL.Image.Image.putpixel`. For “1”, +:py:meth:`PIL.Image.new` or :py:meth:`PIL.Image.Image.putpixel`. For “1”, “L”, and “I” images, use integers. For “RGB” images, use a 3-tuple containing integer values. For “F” images, use integer or floating point values. @@ -64,7 +65,7 @@ Fonts PIL can use bitmap fonts or OpenType/TrueType fonts. Bitmap fonts are stored in PIL’s own format, where each font typically consists -of a two files, one named .pil and the other usually named .pbm. The former +of two files, one named .pil and the other usually named .pbm. The former contains font metrics, the latter raster data. To load a bitmap font, use the load functions in the :py:mod:`~PIL.ImageFont` @@ -80,32 +81,52 @@ Example: Draw Partial Opacity Text .. code-block:: python from PIL import Image, ImageDraw, ImageFont + # get an image - base = Image.open('Pillow/Tests/images/lena.png').convert('RGBA') + with Image.open("Pillow/Tests/images/hopper.png").convert("RGBA") as base: + + # make a blank image for the text, initialized to transparent text color + txt = Image.new("RGBA", base.size, (255, 255, 255, 0)) + + # get a font + fnt = ImageFont.truetype("Pillow/Tests/fonts/FreeMono.ttf", 40) + # get a drawing context + d = ImageDraw.Draw(txt) + + # draw text, half opacity + d.text((10, 10), "Hello", font=fnt, fill=(255, 255, 255, 128)) + # draw text, full opacity + d.text((10, 60), "World", font=fnt, fill=(255, 255, 255, 255)) - # make a blank image for the text, initialized to transparent text color - txt = Image.new('RGBA', base.size, (255,255,255,0)) + out = Image.alpha_composite(base, txt) + + out.show() + +Example: Draw Multiline Text +---------------------------- + +.. code-block:: python + + from PIL import Image, ImageDraw, ImageFont + + # create an image + out = Image.new("RGB", (150, 100), (255, 255, 255)) # get a font - fnt = ImageFont.truetype('Pillow/Tests/fonts/FreeMono.ttf', 40) + fnt = ImageFont.truetype("Pillow/Tests/fonts/FreeMono.ttf", 40) # get a drawing context - d = ImageDraw.Draw(txt) - - # draw text, half opacity - d.text((10,10), "Hello", font=fnt, fill=(255,255,255,128)) - # draw text, full opacity - d.text((10,60), "World", font=fnt, fill=(255,255,255,255)) + d = ImageDraw.Draw(out) - out = Image.alpha_composite(base, txt) + # draw multiline text + d.multiline_text((10, 10), "Hello\nWorld", font=fnt, fill=(0, 0, 0)) out.show() - Functions --------- -.. py:class:: PIL.ImageDraw.Draw(im, mode=None) +.. py:method:: Draw(im, mode=None) Creates an object that can be used to draw in the given image. @@ -121,19 +142,29 @@ Functions Methods ------- -.. py:method:: PIL.ImageDraw.Draw.arc(xy, start, end, fill=None) +.. py:method:: ImageDraw.getfont() + + Get the current default font. + + :returns: An image font. + +.. py:method:: ImageDraw.arc(xy, start, end, fill=None, width=0) Draws an arc (a portion of a circle outline) between the start and end angles, inside the given bounding box. - :param xy: Four points to define the bounding box. Sequence of - ``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``. - :param start: Starting angle, in degrees. Angles are measured from - 3 o'clock, increasing clockwise. + :param xy: Two points to define the bounding box. Sequence of ``[(x0, y0), + (x1, y1)]`` or ``[x0, y0, x1, y1]``, where ``x1 >= x0`` and ``y1 >= + y0``. + :param start: Starting angle, in degrees. Angles are measured from 3 + o'clock, increasing clockwise. :param end: Ending angle, in degrees. :param fill: Color to use for the arc. + :param width: The line width, in pixels. -.. py:method:: PIL.ImageDraw.Draw.bitmap(xy, bitmap, fill=None) + .. versionadded:: 5.3.0 + +.. py:method:: ImageDraw.bitmap(xy, bitmap, fill=None) Draws a bitmap (mask) at the given position, using the current fill color for the non-zero portions. The bitmap should be a valid transparency mask @@ -144,53 +175,67 @@ Methods To paste pixel data into an image, use the :py:meth:`~PIL.Image.Image.paste` method on the image itself. -.. py:method:: PIL.ImageDraw.Draw.chord(xy, start, end, fill=None, outline=None) +.. py:method:: ImageDraw.chord(xy, start, end, fill=None, outline=None, width=1) - Same as :py:meth:`~PIL.ImageDraw.Draw.arc`, but connects the end points + Same as :py:meth:`~PIL.ImageDraw.ImageDraw.arc`, but connects the end points with a straight line. - :param xy: Four points to define the bounding box. Sequence of - ``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``. + :param xy: Two points to define the bounding box. Sequence of ``[(x0, y0), + (x1, y1)]`` or ``[x0, y0, x1, y1]``, where ``x1 >= x0`` and ``y1 >= + y0``. :param outline: Color to use for the outline. :param fill: Color to use for the fill. + :param width: The line width, in pixels. + + .. versionadded:: 5.3.0 -.. py:method:: PIL.ImageDraw.Draw.ellipse(xy, fill=None, outline=None) +.. py:method:: ImageDraw.ellipse(xy, fill=None, outline=None, width=1) Draws an ellipse inside the given bounding box. - :param xy: Four points to define the bounding box. Sequence of either - ``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``. + :param xy: Two points to define the bounding box. Sequence of either + ``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``, where ``x1 >= x0`` + and ``y1 >= y0``. :param outline: Color to use for the outline. :param fill: Color to use for the fill. + :param width: The line width, in pixels. + + .. versionadded:: 5.3.0 -.. py:method:: PIL.ImageDraw.Draw.line(xy, fill=None, width=0) +.. py:method:: ImageDraw.line(xy, fill=None, width=0, joint=None) - Draws a line between the coordinates in the **xy** list. + Draws a line between the coordinates in the ``xy`` list. :param xy: Sequence of either 2-tuples like ``[(x, y), (x, y), ...]`` or numeric values like ``[x, y, x, y, ...]``. :param fill: Color to use for the line. - :param width: The line width, in pixels. Note that line - joins are not handled well, so wide polylines will not look good. + :param width: The line width, in pixels. .. versionadded:: 1.1.5 .. note:: This option was broken until version 1.1.6. + :param joint: Joint type between a sequence of lines. It can be ``"curve"``, for rounded edges, or :data:`None`. -.. py:method:: PIL.ImageDraw.Draw.pieslice(xy, start, end, fill=None, outline=None) + .. versionadded:: 5.3.0 + +.. py:method:: ImageDraw.pieslice(xy, start, end, fill=None, outline=None, width=1) Same as arc, but also draws straight lines between the end points and the center of the bounding box. - :param xy: Four points to define the bounding box. Sequence of - ``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``. - :param start: Starting angle, in degrees. Angles are measured from - 3 o'clock, increasing clockwise. + :param xy: Two points to define the bounding box. Sequence of ``[(x0, y0), + (x1, y1)]`` or ``[x0, y0, x1, y1]``, where ``x1 >= x0`` and ``y1 >= + y0``. + :param start: Starting angle, in degrees. Angles are measured from 3 + o'clock, increasing clockwise. :param end: Ending angle, in degrees. :param fill: Color to use for the fill. :param outline: Color to use for the outline. + :param width: The line width, in pixels. + + .. versionadded:: 5.3.0 -.. py:method:: PIL.ImageDraw.Draw.point(xy, fill=None) +.. py:method:: ImageDraw.point(xy, fill=None) Draws points (individual pixels) at the given coordinates. @@ -198,7 +243,7 @@ Methods numeric values like ``[x, y, x, y, ...]``. :param fill: Color to use for the point. -.. py:method:: PIL.ImageDraw.Draw.polygon(xy, fill=None, outline=None) +.. py:method:: ImageDraw.polygon(xy, fill=None, outline=None, width=1) Draws a polygon. @@ -208,86 +253,471 @@ Methods :param xy: Sequence of either 2-tuples like ``[(x, y), (x, y), ...]`` or numeric values like ``[x, y, x, y, ...]``. + :param fill: Color to use for the fill. :param outline: Color to use for the outline. + :param width: The line width, in pixels. + + +.. py:method:: ImageDraw.regular_polygon(bounding_circle, n_sides, rotation=0, fill=None, outline=None) + + Draws a regular polygon inscribed in ``bounding_circle``, + with ``n_sides``, and rotation of ``rotation`` degrees. + + :param bounding_circle: The bounding circle is a tuple defined + by a point and radius. + (e.g. ``bounding_circle=(x, y, r)`` or ``((x, y), r)``). + The polygon is inscribed in this circle. + :param n_sides: Number of sides + (e.g. ``n_sides=3`` for a triangle, ``6`` for a hexagon). + :param rotation: Apply an arbitrary rotation to the polygon + (e.g. ``rotation=90``, applies a 90 degree rotation). :param fill: Color to use for the fill. + :param outline: Color to use for the outline. -.. py:method:: PIL.ImageDraw.Draw.rectangle(xy, fill=None, outline=None) + +.. py:method:: ImageDraw.rectangle(xy, fill=None, outline=None, width=1) Draws a rectangle. - :param xy: Four points to define the bounding box. Sequence of either + :param xy: Two points to define the bounding box. Sequence of either ``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``. The second point is just outside the drawn rectangle. :param outline: Color to use for the outline. :param fill: Color to use for the fill. + :param width: The line width, in pixels. + + .. versionadded:: 5.3.0 -.. py:method:: PIL.ImageDraw.Draw.shape(shape, fill=None, outline=None) +.. py:method:: ImageDraw.rounded_rectangle(xy, radius=0, fill=None, outline=None, width=1) + + Draws a rounded rectangle. + + :param xy: Two points to define the bounding box. Sequence of either + ``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``. The second point + is just outside the drawn rectangle. + :param radius: Radius of the corners. + :param outline: Color to use for the outline. + :param fill: Color to use for the fill. + :param width: The line width, in pixels. + + .. versionadded:: 8.2.0 + +.. py:method:: ImageDraw.shape(shape, fill=None, outline=None) .. warning:: This method is experimental. Draw a shape. -.. py:method:: PIL.ImageDraw.Draw.text(xy, text, fill=None, font=None, anchor=None, spacing=0, align="left") +.. py:method:: ImageDraw.text(xy, text, fill=None, font=None, anchor=None, spacing=4, align="left", direction=None, features=None, language=None, stroke_width=0, stroke_fill=None, embedded_color=False) Draws the string at the given position. - :param xy: Top left corner of the text. - :param text: Text to be drawn. If it contains any newline characters, - the text is passed on to multiline_text() + :param xy: The anchor coordinates of the text. + :param text: String to be drawn. If it contains any newline characters, + the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_text`. :param fill: Color to use for the text. :param font: An :py:class:`~PIL.ImageFont.ImageFont` instance. - :param spacing: If the text is passed on to multiline_text(), + :param anchor: The text anchor alignment. Determines the relative location of + the anchor to the text. The default alignment is top left. + See :ref:`text-anchors` for valid values. This parameter is + ignored for non-TrueType fonts. + + .. note:: This parameter was present in earlier versions + of Pillow, but implemented only in version 8.0.0. + + :param spacing: If the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_text`, the number of pixels between lines. - :param align: If the text is passed on to multiline_text(), - "left", "center" or "right". + :param align: If the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_text`, + ``"left"``, ``"center"`` or ``"right"``. Determines the relative alignment of lines. + Use the ``anchor`` parameter to specify the alignment to ``xy``. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. + + .. versionadded:: 4.2.0 + + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` + to disable kerning. To get all supported + features, see `OpenType docs`_. + Requires libraqm. + + .. versionadded:: 4.2.0 + + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + + .. versionadded:: 6.0.0 + + :param stroke_width: The width of the text stroke. + + .. versionadded:: 6.2.0 + + :param stroke_fill: Color to use for the text stroke. If not given, will default to + the ``fill`` parameter. + + .. versionadded:: 6.2.0 + + :param embedded_color: Whether to use font embedded color glyphs (COLR, CBDT, SBIX). + + .. versionadded:: 8.0.0 -.. py:method:: PIL.ImageDraw.Draw.multiline_text(xy, text, fill=None, font=None, anchor=None, spacing=0, align="left") +.. py:method:: ImageDraw.multiline_text(xy, text, fill=None, font=None, anchor=None, spacing=4, align="left", direction=None, features=None, language=None, stroke_width=0, stroke_fill=None, embedded_color=False) Draws the string at the given position. - :param xy: Top left corner of the text. - :param text: Text to be drawn. + :param xy: The anchor coordinates of the text. + :param text: String to be drawn. :param fill: Color to use for the text. :param font: An :py:class:`~PIL.ImageFont.ImageFont` instance. + + :param anchor: The text anchor alignment. Determines the relative location of + the anchor to the text. The default alignment is top left. + See :ref:`text-anchors` for valid values. This parameter is + ignored for non-TrueType fonts. + + .. note:: This parameter was present in earlier versions + of Pillow, but implemented only in version 8.0.0. + :param spacing: The number of pixels between lines. - :param align: "left", "center" or "right". + :param align: ``"left"``, ``"center"`` or ``"right"``. Determines the relative alignment of lines. + Use the ``anchor`` parameter to specify the alignment to ``xy``. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. + + .. versionadded:: 4.2.0 + + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` + to disable kerning. To get all supported + features, see `OpenType docs`_. + Requires libraqm. + + .. versionadded:: 4.2.0 + + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + + .. versionadded:: 6.0.0 + + :param stroke_width: The width of the text stroke. + + .. versionadded:: 6.2.0 + + :param stroke_fill: Color to use for the text stroke. If not given, will default to + the ``fill`` parameter. + + .. versionadded:: 6.2.0 + + :param embedded_color: Whether to use font embedded color glyphs (COLR, CBDT, SBIX). -.. py:method:: PIL.ImageDraw.Draw.textsize(text, font=None, spacing=0) + .. versionadded:: 8.0.0 + +.. py:method:: ImageDraw.textsize(text, font=None, spacing=4, direction=None, features=None, language=None, stroke_width=0) Return the size of the given string, in pixels. + Use :py:meth:`textlength()` to measure the offset of following text with + 1/64 pixel precision. + Use :py:meth:`textbbox()` to get the exact bounding box based on an anchor. + + .. note:: For historical reasons this function measures text height from + the ascender line instead of the top, see :ref:`text-anchors`. + If you wish to measure text height from the top, it is recommended + to use :meth:`textbbox` with ``anchor='lt'`` instead. + :param text: Text to be measured. If it contains any newline characters, - the text is passed on to multiline_textsize() + the text is passed on to :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_textsize`. :param font: An :py:class:`~PIL.ImageFont.ImageFont` instance. - :param spacing: If the text is passed on to multiline_textsize(), + :param spacing: If the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_textsize`, the number of pixels between lines. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. + + .. versionadded:: 4.2.0 + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` + to disable kerning. To get all supported + features, see `OpenType docs`_. + Requires libraqm. + + .. versionadded:: 4.2.0 + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + + .. versionadded:: 6.0.0 -.. py:method:: PIL.ImageDraw.Draw.multiline_textsize(text, font=None, spacing=0) + :param stroke_width: The width of the text stroke. + + .. versionadded:: 6.2.0 + +.. py:method:: ImageDraw.multiline_textsize(text, font=None, spacing=4, direction=None, features=None, language=None, stroke_width=0) Return the size of the given string, in pixels. + Use :py:meth:`textlength()` to measure the offset of following text with + 1/64 pixel precision. + Use :py:meth:`textbbox()` to get the exact bounding box based on an anchor. + + .. note:: For historical reasons this function measures text height as the + distance between the top ascender line and bottom descender line, + not the top and bottom of the text, see :ref:`text-anchors`. + If you wish to measure text height from the top to the bottom of text, + it is recommended to use :meth:`multiline_textbbox` instead. + :param text: Text to be measured. :param font: An :py:class:`~PIL.ImageFont.ImageFont` instance. :param spacing: The number of pixels between lines. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. + + .. versionadded:: 4.2.0 + + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` + to disable kerning. To get all supported + features, see `OpenType docs`_. + Requires libraqm. -Legacy API ----------- + .. versionadded:: 4.2.0 -The :py:class:`~PIL.ImageDraw.Draw` class contains a constructor and a number -of methods which are provided for backwards compatibility only. For this to -work properly, you should either use options on the drawing primitives, or -these methods. Do not mix the old and new calling conventions. + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + .. versionadded:: 6.0.0 -.. py:function:: PIL.ImageDraw.ImageDraw(image) + :param stroke_width: The width of the text stroke. - :rtype: :py:class:`~PIL.ImageDraw.Draw` + .. versionadded:: 6.2.0 -.. py:method:: PIL.ImageDraw.Draw.setfont(font) +.. py:method:: ImageDraw.textlength(text, font=None, direction=None, features=None, language=None, embedded_color=False) - .. deprecated:: 1.1.5 + Returns length (in pixels with 1/64 precision) of given text when rendered + in font with provided direction, features, and language. - Sets the default font to use for the text method. + This is the amount by which following text should be offset. + Text bounding box may extend past the length in some fonts, + e.g. when using italics or accents. + The result is returned as a float; it is a whole number if using basic layout. + + Note that the sum of two lengths may not equal the length of a concatenated + string due to kerning. If you need to adjust for kerning, include the following + character and subtract its length. + + For example, instead of + + .. code-block:: python + + hello = draw.textlength("Hello", font) + world = draw.textlength("World", font) + hello_world = hello + world # not adjusted for kerning + assert hello_world == draw.textlength("HelloWorld", font) # may fail + + use + + .. code-block:: python + + hello = draw.textlength("HelloW", font) - draw.textlength( + "W", font + ) # adjusted for kerning + world = draw.textlength("World", font) + hello_world = hello + world # adjusted for kerning + assert hello_world == draw.textlength("HelloWorld", font) # True + + or disable kerning with (requires libraqm) + + .. code-block:: python + + hello = draw.textlength("Hello", font, features=["-kern"]) + world = draw.textlength("World", font, features=["-kern"]) + hello_world = hello + world # kerning is disabled, no need to adjust + assert hello_world == draw.textlength("HelloWorld", font, features=["-kern"]) # True + + .. versionadded:: 8.0.0 + + :param text: Text to be measured. May not contain any newline characters. :param font: An :py:class:`~PIL.ImageFont.ImageFont` instance. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` + to disable kerning. To get all supported + features, see `OpenType docs`_. + Requires libraqm. + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + :param embedded_color: Whether to use font embedded color glyphs (COLR, CBDT, SBIX). + +.. py:method:: ImageDraw.textbbox(xy, text, font=None, anchor=None, spacing=4, align="left", direction=None, features=None, language=None, stroke_width=0, embedded_color=False) + + Returns bounding box (in pixels) of given text relative to given anchor + when rendered in font with provided direction, features, and language. + Only supported for TrueType fonts. + + Use :py:meth:`textlength` to get the offset of following text with + 1/64 pixel precision. The bounding box includes extra margins for + some fonts, e.g. italics or accents. + + .. versionadded:: 8.0.0 + + :param xy: The anchor coordinates of the text. + :param text: Text to be measured. If it contains any newline characters, + the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_textbbox`. + :param font: A :py:class:`~PIL.ImageFont.FreeTypeFont` instance. + :param anchor: The text anchor alignment. Determines the relative location of + the anchor to the text. The default alignment is top left. + See :ref:`text-anchors` for valid values. This parameter is + ignored for non-TrueType fonts. + :param spacing: If the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_textbbox`, + the number of pixels between lines. + :param align: If the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_textbbox`, + ``"left"``, ``"center"`` or ``"right"``. Determines the relative alignment of lines. + Use the ``anchor`` parameter to specify the alignment to ``xy``. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` + to disable kerning. To get all supported + features, see `OpenType docs`_. + Requires libraqm. + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + :param stroke_width: The width of the text stroke. + :param embedded_color: Whether to use font embedded color glyphs (COLR, CBDT, SBIX). + +.. py:method:: ImageDraw.multiline_textbbox(xy, text, font=None, anchor=None, spacing=4, align="left", direction=None, features=None, language=None, stroke_width=0, embedded_color=False) + + Returns bounding box (in pixels) of given text relative to given anchor + when rendered in font with provided direction, features, and language. + Only supported for TrueType fonts. + + Use :py:meth:`textlength` to get the offset of following text with + 1/64 pixel precision. The bounding box includes extra margins for + some fonts, e.g. italics or accents. + + .. versionadded:: 8.0.0 + + :param xy: The anchor coordinates of the text. + :param text: Text to be measured. + :param font: A :py:class:`~PIL.ImageFont.FreeTypeFont` instance. + :param anchor: The text anchor alignment. Determines the relative location of + the anchor to the text. The default alignment is top left. + See :ref:`text-anchors` for valid values. This parameter is + ignored for non-TrueType fonts. + :param spacing: The number of pixels between lines. + :param align: ``"left"``, ``"center"`` or ``"right"``. Determines the relative alignment of lines. + Use the ``anchor`` parameter to specify the alignment to ``xy``. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` + to disable kerning. To get all supported + features, see `OpenType docs`_. + Requires libraqm. + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + :param stroke_width: The width of the text stroke. + :param embedded_color: Whether to use font embedded color glyphs (COLR, CBDT, SBIX). + +.. py:method:: getdraw(im=None, hints=None) + + .. warning:: This method is experimental. + + A more advanced 2D drawing interface for PIL images, + based on the WCK interface. + + :param im: The image to draw in. + :param hints: An optional list of hints. + :returns: A (drawing context, drawing resource factory) tuple. + +.. py:method:: floodfill(image, xy, value, border=None, thresh=0) + + .. warning:: This method is experimental. + + Fills a bounded region with a given color. + + :param image: Target image. + :param xy: Seed position (a 2-item coordinate tuple). + :param value: Fill color. + :param border: Optional border value. If given, the region consists of + pixels with a color different from the border color. If not given, + the region consists of pixels having the same color as the seed + pixel. + :param thresh: Optional threshold value which specifies a maximum + tolerable difference of a pixel value from the 'background' in + order for it to be replaced. Useful for filling regions of non- + homogeneous, but similar, colors. + +.. _BCP 47 language code: https://www.w3.org/International/articles/language-tags/ +.. _OpenType docs: https://docs.microsoft.com/en-us/typography/opentype/spec/featurelist diff --git a/docs/reference/ImageEnhance.rst b/docs/reference/ImageEnhance.rst index e6eae85f0dd..29ceee314cc 100644 --- a/docs/reference/ImageEnhance.rst +++ b/docs/reference/ImageEnhance.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageEnhance .. py:currentmodule:: PIL.ImageEnhance -:py:mod:`ImageEnhance` Module -============================= +:py:mod:`~PIL.ImageEnhance` Module +================================== -The :py:mod:`ImageEnhance` module contains a number of classes that can be used +The :py:mod:`~PIL.ImageEnhance` module contains a number of classes that can be used for image enhancement. Example: Vary the sharpness of an image @@ -18,7 +18,7 @@ Example: Vary the sharpness of an image for i in range(8): factor = i / 4.0 - enhancer.enhance(factor).show("Sharpness %f" % factor) + enhancer.enhance(factor).show(f"Sharpness {factor:f}") Also see the :file:`enhancer.py` demo program in the :file:`Scripts/` directory. @@ -29,10 +29,47 @@ Classes All enhancement classes implement a common interface, containing a single method: -.. autoclass:: PIL.ImageEnhance._Enhance - :members: +.. py:class:: _Enhance -.. autoclass:: PIL.ImageEnhance.Color -.. autoclass:: PIL.ImageEnhance.Contrast -.. autoclass:: PIL.ImageEnhance.Brightness -.. autoclass:: PIL.ImageEnhance.Sharpness + .. py:method:: enhance(factor) + + Returns an enhanced image. + + :param factor: A floating point value controlling the enhancement. + Factor 1.0 always returns a copy of the original image, + lower factors mean less color (brightness, contrast, + etc), and higher values more. There are no restrictions + on this value. + +.. py:class:: Color(image) + + Adjust image color balance. + + This class can be used to adjust the colour balance of an image, in + a manner similar to the controls on a colour TV set. An enhancement + factor of 0.0 gives a black and white image. A factor of 1.0 gives + the original image. + +.. py:class:: Contrast(image) + + Adjust image contrast. + + This class can be used to control the contrast of an image, similar + to the contrast control on a TV set. An enhancement factor of 0.0 + gives a solid grey image. A factor of 1.0 gives the original image. + +.. py:class:: Brightness(image) + + Adjust image brightness. + + This class can be used to control the brightness of an image. An + enhancement factor of 0.0 gives a black image. A factor of 1.0 gives the + original image. + +.. py:class:: Sharpness(image) + + Adjust image sharpness. + + This class can be used to adjust the sharpness of an image. An + enhancement factor of 0.0 gives a blurred image, a factor of 1.0 gives the + original image, and a factor of 2.0 gives a sharpened image. diff --git a/docs/reference/ImageFile.rst b/docs/reference/ImageFile.rst index 9612658e901..e0ce389e862 100644 --- a/docs/reference/ImageFile.rst +++ b/docs/reference/ImageFile.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageFile .. py:currentmodule:: PIL.ImageFile -:py:mod:`ImageFile` Module -========================== +:py:mod:`~PIL.ImageFile` Module +=============================== -The :py:mod:`ImageFile` module provides support functions for the image open +The :py:mod:`~PIL.ImageFile` module provides support functions for the image open and save functions. In addition, it provides a :py:class:`Parser` class which can be used to decode @@ -19,7 +19,7 @@ Example: Parse an image from PIL import ImageFile - fp = open("lena.pgm", "rb") + fp = open("hopper.pgm", "rb") p = ImageFile.Parser() @@ -34,8 +34,28 @@ Example: Parse an image im.save("copy.jpg") -:py:class:`~PIL.ImageFile.Parser` ---------------------------------- +Classes +------- .. autoclass:: PIL.ImageFile.Parser() :members: + +.. autoclass:: PIL.ImageFile.PyDecoder() + :members: + +.. autoclass:: PIL.ImageFile.ImageFile() + :member-order: bysource + :members: + :undoc-members: + :show-inheritance: + +.. autoclass:: PIL.ImageFile.StubImageFile() + :members: + :show-inheritance: + +Constants +--------- + +.. autodata:: PIL.ImageFile.LOAD_TRUNCATED_IMAGES +.. autodata:: PIL.ImageFile.ERRORS + :annotation: diff --git a/docs/reference/ImageFilter.rst b/docs/reference/ImageFilter.rst index e89fafbcf21..c85da4fb57a 100644 --- a/docs/reference/ImageFilter.rst +++ b/docs/reference/ImageFilter.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageFilter .. py:currentmodule:: PIL.ImageFilter -:py:mod:`ImageFilter` Module -============================ +:py:mod:`~PIL.ImageFilter` Module +================================= -The :py:mod:`ImageFilter` module contains definitions for a pre-defined set of +The :py:mod:`~PIL.ImageFilter` module contains definitions for a pre-defined set of filters, which can be be used with the :py:meth:`Image.filter() ` method. @@ -33,15 +33,62 @@ image enhancement filters: * **EDGE_ENHANCE_MORE** * **EMBOSS** * **FIND_EDGES** +* **SHARPEN** * **SMOOTH** * **SMOOTH_MORE** -* **SHARPEN** + +.. autoclass:: PIL.ImageFilter.Color3DLUT + :members: + +.. autoclass:: PIL.ImageFilter.BoxBlur + :members: .. autoclass:: PIL.ImageFilter.GaussianBlur + :members: + .. autoclass:: PIL.ImageFilter.UnsharpMask + :members: + .. autoclass:: PIL.ImageFilter.Kernel + :members: + .. autoclass:: PIL.ImageFilter.RankFilter + :members: + .. autoclass:: PIL.ImageFilter.MedianFilter + :members: + .. autoclass:: PIL.ImageFilter.MinFilter + :members: + .. autoclass:: PIL.ImageFilter.MaxFilter + :members: + .. autoclass:: PIL.ImageFilter.ModeFilter + :members: + +.. class:: Filter + + An abstract mixin used for filtering images + (for use with :py:meth:`~PIL.Image.Image.filter`). + + Implementors must provide the following method: + + .. method:: filter(self, image) + + Applies a filter to a single-band image, or a single band of an image. + + :returns: A filtered copy of the image. + +.. class:: MultibandFilter + + An abstract mixin used for filtering multi-band images + (for use with :py:meth:`~PIL.Image.Image.filter`). + + Implementors must provide the following method: + + .. method:: filter(self, image) + + Applies a filter to a multi-band image. + + :returns: A filtered copy of the image. diff --git a/docs/reference/ImageFont.rst b/docs/reference/ImageFont.rst index 166d977a6e3..5f718ce19e4 100644 --- a/docs/reference/ImageFont.rst +++ b/docs/reference/ImageFont.rst @@ -1,21 +1,22 @@ .. py:module:: PIL.ImageFont .. py:currentmodule:: PIL.ImageFont -:py:mod:`ImageFont` Module -========================== +:py:mod:`~PIL.ImageFont` Module +=============================== -The :py:mod:`ImageFont` module defines a class with the same name. Instances of +The :py:mod:`~PIL.ImageFont` module defines a class with the same name. Instances of this class store bitmap fonts, and are used with the -:py:meth:`PIL.ImageDraw.Draw.text` method. +:py:meth:`PIL.ImageDraw.ImageDraw.text` method. -PIL uses its own font file format to store bitmap fonts. You can use the -:command`pilfont` utility to convert BDF and PCF font descriptors (X window -font formats) to this format. +PIL uses its own font file format to store bitmap fonts, limited to 256 characters. You can use +`pilfont.py `_ +from `pillow-scripts `_ to convert BDF and +PCF font descriptors (X window font formats) to this format. Starting with version 1.1.4, PIL can be configured to support TrueType and OpenType fonts (as well as other font formats supported by the FreeType library). For earlier versions, TrueType support is only available as part of -the imToolkit package +the imToolkit package. Example ------- @@ -47,23 +48,27 @@ Functions Methods ------- -.. py:method:: PIL.ImageFont.ImageFont.getsize(text) +.. autoclass:: PIL.ImageFont.ImageFont + :members: - :return: (width, height) +.. autoclass:: PIL.ImageFont.FreeTypeFont + :members: -.. py:method:: PIL.ImageFont.ImageFont.getmask(text, mode='') +.. autoclass:: PIL.ImageFont.TransposedFont + :members: - Create a bitmap for the text. +Constants +--------- + +.. data:: PIL.ImageFont.LAYOUT_BASIC + + Use basic text layout for TrueType font. + Advanced features such as text direction are not supported. - If the font uses antialiasing, the bitmap should have mode “L” and use a - maximum value of 255. Otherwise, it should have mode “1”. +.. data:: PIL.ImageFont.LAYOUT_RAQM - :param text: Text to render. - :param mode: Used by some graphics drivers to indicate what mode the - driver prefers; if empty, the renderer may return either - mode. Note that the mode is always a string, to simplify - C-level implementations. + Use Raqm text layout for TrueType font. + Advanced features are supported. - .. versionadded:: 1.1.5 - :return: An internal PIL storage memory instance as defined by the - :py:mod:`PIL.Image.core` interface module. + Requires Raqm, you can check support using + :py:func:`PIL.features.check_feature` with ``feature="raqm"``. diff --git a/docs/reference/ImageGrab.rst b/docs/reference/ImageGrab.rst index 8711c761d6d..ac83b225522 100644 --- a/docs/reference/ImageGrab.rst +++ b/docs/reference/ImageGrab.rst @@ -1,30 +1,42 @@ .. py:module:: PIL.ImageGrab .. py:currentmodule:: PIL.ImageGrab -:py:mod:`ImageGrab` Module (macOS and Windows only) -================================================== +:py:mod:`~PIL.ImageGrab` Module +=============================== -The :py:mod:`ImageGrab` module can be used to copy the contents of the screen +The :py:mod:`~PIL.ImageGrab` module can be used to copy the contents of the screen or the clipboard to a PIL image memory. -.. note:: The current version works on macOS and Windows only. - .. versionadded:: 1.1.3 -.. py:function:: PIL.ImageGrab.grab(bbox=None) +.. py:function:: grab(bbox=None, include_layered_windows=False, all_screens=False, xdisplay=None) Take a snapshot of the screen. The pixels inside the bounding box are - returned as an "RGB" image on Windows or "RGBA" on macOS. + returned as an "RGBA" on macOS, or an "RGB" image otherwise. If the bounding box is omitted, the entire screen is copied. - .. versionadded:: 1.1.3 (Windows), 3.0.0 (macOS) + .. versionadded:: 1.1.3 (Windows), 3.0.0 (macOS), 7.1.0 (Linux (X11)) :param bbox: What region to copy. Default is the entire screen. + Note that on Windows OS, the top-left point may be negative if ``all_screens=True`` is used. + :param include_layered_windows: Includes layered windows. Windows OS only. + + .. versionadded:: 6.1.0 + :param all_screens: Capture all monitors. Windows OS only. + + .. versionadded:: 6.2.0 + + :param xdisplay: + X11 Display address. Pass :data:`None` to grab the default system screen. Pass ``""`` to grab the default X11 screen on Windows or macOS. + + You can check X11 support using :py:func:`PIL.features.check_feature` with ``feature="xcb"``. + + .. versionadded:: 7.1.0 :return: An image -.. py:function:: PIL.ImageGrab.grabclipboard() +.. py:function:: grabclipboard() - Take a snapshot of the clipboard image, if any. + Take a snapshot of the clipboard image, if any. Only macOS and Windows are currently supported. .. versionadded:: 1.1.4 (Windows), 3.3.0 (macOS) diff --git a/docs/reference/ImageMath.rst b/docs/reference/ImageMath.rst index 445a7e277b6..63f88fddd21 100644 --- a/docs/reference/ImageMath.rst +++ b/docs/reference/ImageMath.rst @@ -1,12 +1,12 @@ .. py:module:: PIL.ImageMath .. py:currentmodule:: PIL.ImageMath -:py:mod:`ImageMath` Module -========================== +:py:mod:`~PIL.ImageMath` Module +=============================== -The :py:mod:`ImageMath` module can be used to evaluate “image expressions”. The -module provides a single eval function, which takes an expression string and -one or more images. +The :py:mod:`~PIL.ImageMath` module can be used to evaluate “image expressions”. The +module provides a single :py:meth:`~PIL.ImageMath.eval` function, which takes +an expression string and one or more images. Example: Using the :py:mod:`~PIL.ImageMath` module -------------------------------------------------- @@ -15,11 +15,11 @@ Example: Using the :py:mod:`~PIL.ImageMath` module from PIL import Image, ImageMath - im1 = Image.open("image1.jpg") - im2 = Image.open("image2.jpg") + with Image.open("image1.jpg") as im1: + with Image.open("image2.jpg") as im2: - out = ImageMath.eval("convert(min(a, b), 'L')", a=im1, b=im2) - out.save("result.png") + out = ImageMath.eval("convert(min(a, b), 'L')", a=im1, b=im2) + out.save("result.png") .. py:function:: eval(expression, environment) @@ -60,9 +60,8 @@ point values, as necessary. For example, if you add two 8-bit images, the result will be a 32-bit integer image. If you add a floating point constant to an 8-bit image, the result will be a 32-bit floating point image. -You can force conversion using the :py:func:`~PIL.ImageMath.convert`, -:py:func:`~PIL.ImageMath.float`, and :py:func:`~PIL.ImageMath.int` functions -described below. +You can force conversion using the ``convert()``, ``float()``, and ``int()`` +functions described below. Bitwise Operators ^^^^^^^^^^^^^^^^^ @@ -98,20 +97,24 @@ These functions are applied to each individual pixel. .. py:currentmodule:: None .. py:function:: abs(image) + :noindex: Absolute value. .. py:function:: convert(image, mode) + :noindex: Convert image to the given mode. The mode must be given as a string constant. .. py:function:: float(image) + :noindex: Convert image to 32-bit floating point. This is equivalent to convert(image, “F”). .. py:function:: int(image) + :noindex: Convert image to 32-bit integer. This is equivalent to convert(image, “I”). @@ -119,9 +122,11 @@ These functions are applied to each individual pixel. integers if necessary to get a correct result. .. py:function:: max(image1, image2) + :noindex: Maximum value. .. py:function:: min(image1, image2) + :noindex: Minimum value. diff --git a/docs/reference/ImageMorph.rst b/docs/reference/ImageMorph.rst index be9d59348a8..d4522a06ae3 100644 --- a/docs/reference/ImageMorph.rst +++ b/docs/reference/ImageMorph.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageMorph .. py:currentmodule:: PIL.ImageMorph -:py:mod:`ImageMorph` Module -=========================== +:py:mod:`~PIL.ImageMorph` Module +================================ -The :py:mod:`ImageMorph` module provides morphology operations on images. +The :py:mod:`~PIL.ImageMorph` module provides morphology operations on images. .. automodule:: PIL.ImageMorph :members: diff --git a/docs/reference/ImageOps.rst b/docs/reference/ImageOps.rst index 50cea90ca98..d1c43cf6092 100644 --- a/docs/reference/ImageOps.rst +++ b/docs/reference/ImageOps.rst @@ -1,20 +1,21 @@ .. py:module:: PIL.ImageOps .. py:currentmodule:: PIL.ImageOps -:py:mod:`ImageOps` Module -========================== +:py:mod:`~PIL.ImageOps` Module +============================== -The :py:mod:`ImageOps` module contains a number of ‘ready-made’ image +The :py:mod:`~PIL.ImageOps` module contains a number of ‘ready-made’ image processing operations. This module is somewhat experimental, and most operators only work on L and RGB images. -Only bug fixes have been added since the Pillow fork. - .. versionadded:: 1.1.3 .. autofunction:: autocontrast .. autofunction:: colorize +.. autofunction:: contain +.. autofunction:: pad .. autofunction:: crop +.. autofunction:: scale .. autofunction:: deform .. autofunction:: equalize .. autofunction:: expand @@ -25,3 +26,4 @@ Only bug fixes have been added since the Pillow fork. .. autofunction:: mirror .. autofunction:: posterize .. autofunction:: solarize +.. autofunction:: exif_transpose diff --git a/docs/reference/ImagePalette.rst b/docs/reference/ImagePalette.rst index 15b8aed8f05..72ccfac7d83 100644 --- a/docs/reference/ImagePalette.rst +++ b/docs/reference/ImagePalette.rst @@ -1,18 +1,14 @@ .. py:module:: PIL.ImagePalette .. py:currentmodule:: PIL.ImagePalette -:py:mod:`ImagePalette` Module -============================= +:py:mod:`~PIL.ImagePalette` Module +================================== -The :py:mod:`ImagePalette` module contains a class of the same name to +The :py:mod:`~PIL.ImagePalette` module contains a class of the same name to represent the color palette of palette mapped images. .. note:: - This module was never well-documented. It hasn't changed since 2001, - though, so it's probably safe for you to read the source code and puzzle - out the internals if you need to. - The :py:class:`~PIL.ImagePalette.ImagePalette` class has several methods, but they are all marked as "experimental." Read that as you will. The ``[source]`` link is there for a reason. diff --git a/docs/reference/ImagePath.rst b/docs/reference/ImagePath.rst index 978db4caff7..b9bdfc50772 100644 --- a/docs/reference/ImagePath.rst +++ b/docs/reference/ImagePath.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImagePath .. py:currentmodule:: PIL.ImagePath -:py:mod:`ImagePath` Module -========================== +:py:mod:`~PIL.ImagePath` Module +=============================== -The :py:mod:`ImagePath` module is used to store and manipulate 2-dimensional +The :py:mod:`~PIL.ImagePath` module is used to store and manipulate 2-dimensional vector data. Path objects can be passed to the methods on the :py:mod:`~PIL.ImageDraw` module. @@ -33,7 +33,7 @@ vector data. Path objects can be passed to the methods on the method modifies the path in place, and returns the number of points left in the path. - **distance** is measured as `Manhattan distance`_ and defaults to two + ``distance`` is measured as `Manhattan distance`_ and defaults to two pixels. .. _Manhattan distance: https://en.wikipedia.org/wiki/Manhattan_distance @@ -53,9 +53,9 @@ vector data. Path objects can be passed to the methods on the Converts the path to a Python list [(x, y), …]. :param flat: By default, this function returns a list of 2-tuples - [(x, y), ...]. If this argument is `True`, it + [(x, y), ...]. If this argument is ``True``, it returns a flat list [x, y, ...] instead. - :return: A list of coordinates. See **flat**. + :return: A list of coordinates. See ``flat``. .. py:method:: PIL.ImagePath.Path.transform(matrix) diff --git a/docs/reference/ImageQt.rst b/docs/reference/ImageQt.rst index e63fd99feca..66f5880a37e 100644 --- a/docs/reference/ImageQt.rst +++ b/docs/reference/ImageQt.rst @@ -1,20 +1,20 @@ .. py:module:: PIL.ImageQt .. py:currentmodule:: PIL.ImageQt -:py:mod:`ImageQt` Module -======================== +:py:mod:`~PIL.ImageQt` Module +============================= -The :py:mod:`ImageQt` module contains support for creating PyQt4 or PyQt5 QImage objects -from PIL images. +The :py:mod:`~PIL.ImageQt` module contains support for creating PyQt6, PySide6, PyQt5 +or PySide2 QImage objects from PIL images. .. versionadded:: 1.1.6 -.. py:class:: ImageQt.ImageQt(image) +.. py:class:: ImageQt(image) Creates an :py:class:`~PIL.ImageQt.ImageQt` object from a PIL :py:class:`~PIL.Image.Image` object. This class is a subclass of QtGui.QImage, which means that you can pass the resulting objects directly - to PyQt4/5 API functions and methods. + to PyQt6/PySide6/PyQt5/PySide2 API functions and methods. This operation is currently supported for mode 1, L, P, RGB, and RGBA images. To handle other modes, you need to convert the image first. diff --git a/docs/reference/ImageSequence.rst b/docs/reference/ImageSequence.rst index f8ea9ee92c2..1bfb554b653 100644 --- a/docs/reference/ImageSequence.rst +++ b/docs/reference/ImageSequence.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageSequence .. py:currentmodule:: PIL.ImageSequence -:py:mod:`ImageSequence` Module -============================== +:py:mod:`~PIL.ImageSequence` Module +=================================== -The :py:mod:`ImageSequence` module contains a wrapper class that lets you +The :py:mod:`~PIL.ImageSequence` module contains a wrapper class that lets you iterate over the frames of an image sequence. Extracting frames from an animation @@ -14,14 +14,14 @@ Extracting frames from an animation from PIL import Image, ImageSequence - im = Image.open("animation.fli") - - index = 1 - for frame in ImageSequence.Iterator(im): - frame.save("frame%d.png" % index) - index += 1 + with Image.open("animation.fli") as im: + index = 1 + for frame in ImageSequence.Iterator(im): + frame.save(f"frame{index}.png") + index += 1 The :py:class:`~PIL.ImageSequence.Iterator` class ------------------------------------------------- .. autoclass:: PIL.ImageSequence.Iterator + :members: diff --git a/docs/reference/ImageShow.rst b/docs/reference/ImageShow.rst new file mode 100644 index 00000000000..45b50c8469b --- /dev/null +++ b/docs/reference/ImageShow.rst @@ -0,0 +1,30 @@ +.. py:module:: PIL.ImageShow +.. py:currentmodule:: PIL.ImageShow + +:py:mod:`~PIL.ImageShow` Module +=============================== + +The :py:mod:`~PIL.ImageShow` Module is used to display images. +All default viewers convert the image to be shown to PNG format. + +.. autofunction:: PIL.ImageShow.show + +.. autoclass:: IPythonViewer +.. autoclass:: WindowsViewer +.. autoclass:: MacViewer + +.. class:: UnixViewer + + The following viewers may be registered on Unix-based systems, if the given command is found: + + .. autoclass:: PIL.ImageShow.XDGViewer + .. autoclass:: PIL.ImageShow.DisplayViewer + .. autoclass:: PIL.ImageShow.GmDisplayViewer + .. autoclass:: PIL.ImageShow.EogViewer + .. autoclass:: PIL.ImageShow.XVViewer + +.. autofunction:: PIL.ImageShow.register +.. autoclass:: PIL.ImageShow.Viewer + :member-order: bysource + :members: + :undoc-members: diff --git a/docs/reference/ImageStat.rst b/docs/reference/ImageStat.rst index b8925bf8cd5..5bb73529635 100644 --- a/docs/reference/ImageStat.rst +++ b/docs/reference/ImageStat.rst @@ -1,13 +1,13 @@ .. py:module:: PIL.ImageStat .. py:currentmodule:: PIL.ImageStat -:py:mod:`ImageStat` Module -========================== +:py:mod:`~PIL.ImageStat` Module +=============================== -The :py:mod:`ImageStat` module calculates global statistics for an image, or +The :py:mod:`~PIL.ImageStat` module calculates global statistics for an image, or for a region of an image. -.. py:class:: PIL.ImageStat.Stat(image_or_list, mask=None) +.. py:class:: Stat(image_or_list, mask=None) Calculate statistics for the given image. If a mask is included, only the regions covered by that mask are included in the @@ -20,6 +20,16 @@ for a region of an image. Min/max values for each band in the image. + .. note:: + + This relies on the :py:meth:`~PIL.Image.Image.histogram` method, and + simply returns the low and high bins used. This is correct for + images with 8 bits per channel, but fails for other modes such as + ``I`` or ``F``. Instead, use :py:meth:`~PIL.Image.Image.getextrema` to + return per-band extrema for the image. This is more correct and + efficient because, for non-8-bit modes, the histogram method uses + :py:meth:`~PIL.Image.Image.getextrema` to determine the bins used. + .. py:attribute:: count Total number of pixels for each band in the image. diff --git a/docs/reference/ImageTk.rst b/docs/reference/ImageTk.rst index 7ee4af02980..134ef565188 100644 --- a/docs/reference/ImageTk.rst +++ b/docs/reference/ImageTk.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageTk .. py:currentmodule:: PIL.ImageTk -:py:mod:`ImageTk` Module -======================== +:py:mod:`~PIL.ImageTk` Module +============================= -The :py:mod:`ImageTk` module contains support to create and modify Tkinter +The :py:mod:`~PIL.ImageTk` module contains support to create and modify Tkinter BitmapImage and PhotoImage objects from PIL images. For examples, see the demo programs in the Scripts directory. diff --git a/docs/reference/ImageWin.rst b/docs/reference/ImageWin.rst index 2696e7e991a..2ee3cadb70b 100644 --- a/docs/reference/ImageWin.rst +++ b/docs/reference/ImageWin.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageWin .. py:currentmodule:: PIL.ImageWin -:py:mod:`ImageWin` Module (Windows-only) -======================================== +:py:mod:`~PIL.ImageWin` Module (Windows-only) +============================================= -The :py:mod:`ImageWin` module contains support to create and display images on +The :py:mod:`~PIL.ImageWin` module contains support to create and display images on Windows. ImageWin can be used with PythonWin and other user interface toolkits that @@ -24,6 +24,8 @@ Tkinter makes the window handle available via the winfo_id method: .. autoclass:: PIL.ImageWin.Dib :members: - .. autoclass:: PIL.ImageWin.HDC + :members: + .. autoclass:: PIL.ImageWin.HWND + :members: diff --git a/docs/reference/JpegPresets.rst b/docs/reference/JpegPresets.rst new file mode 100644 index 00000000000..aafae44cf4a --- /dev/null +++ b/docs/reference/JpegPresets.rst @@ -0,0 +1,11 @@ +.. py:currentmodule:: PIL.JpegPresets + +:py:mod:`~PIL.JpegPresets` Module +================================= + +.. automodule:: PIL.JpegPresets + + .. data:: presets + :type: dict + + A dictionary of all supported presets. diff --git a/docs/reference/OleFileIO.rst b/docs/reference/OleFileIO.rst deleted file mode 100644 index 791cb5ff3b2..00000000000 --- a/docs/reference/OleFileIO.rst +++ /dev/null @@ -1,364 +0,0 @@ -.. py:module:: PIL.OleFileIO -.. py:currentmodule:: PIL.OleFileIO - -:py:mod:`OleFileIO` Module -=========================== - -The :py:mod:`OleFileIO` module reads Microsoft OLE2 files (also called -Structured Storage or Microsoft Compound Document File Format), such -as Microsoft Office documents, Image Composer and FlashPix files, and -Outlook messages. - -This module is the `OleFileIO\_PL`_ project by Philippe Lagadec, v0.42, -merged back into Pillow. - -.. _OleFileIO\_PL: http://www.decalage.info/python/olefileio - -How to use this module ----------------------- - -For more information, see also the file **PIL/OleFileIO.py**, sample -code at the end of the module itself, and docstrings within the code. - -About the structure of OLE files -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -An OLE file can be seen as a mini file system or a Zip archive: It -contains **streams** of data that look like files embedded within the -OLE file. Each stream has a name. For example, the main stream of a MS -Word document containing its text is named "WordDocument". - -An OLE file can also contain **storages**. A storage is a folder that -contains streams or other storages. For example, a MS Word document with -VBA macros has a storage called "Macros". - -Special streams can contain **properties**. A property is a specific -value that can be used to store information such as the metadata of a -document (title, author, creation date, etc). Property stream names -usually start with the character '05'. - -For example, a typical MS Word document may look like this: - -:: - - \x05DocumentSummaryInformation (stream) - \x05SummaryInformation (stream) - WordDocument (stream) - Macros (storage) - PROJECT (stream) - PROJECTwm (stream) - VBA (storage) - Module1 (stream) - ThisDocument (stream) - _VBA_PROJECT (stream) - dir (stream) - ObjectPool (storage) - -Test if a file is an OLE container -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -Use isOleFile to check if the first bytes of the file contain the Magic -for OLE files, before opening it. isOleFile returns True if it is an OLE -file, False otherwise. - -.. code-block:: python - - assert OleFileIO.isOleFile('myfile.doc') - -Open an OLE file from disk -~~~~~~~~~~~~~~~~~~~~~~~~~~ - -Create an OleFileIO object with the file path as parameter: - -.. code-block:: python - - ole = OleFileIO.OleFileIO('myfile.doc') - -Open an OLE file from a file-like object -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -This is useful if the file is not on disk, e.g. already stored in a -string or as a file-like object. - -.. code-block:: python - - ole = OleFileIO.OleFileIO(f) - -For example the code below reads a file into a string, then uses BytesIO -to turn it into a file-like object. - -.. code-block:: python - - data = open('myfile.doc', 'rb').read() - f = io.BytesIO(data) # or StringIO.StringIO for Python 2.x - ole = OleFileIO.OleFileIO(f) - -How to handle malformed OLE files -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -By default, the parser is configured to be as robust and permissive as -possible, allowing to parse most malformed OLE files. Only fatal errors -will raise an exception. It is possible to tell the parser to be more -strict in order to raise exceptions for files that do not fully conform -to the OLE specifications, using the raise\_defect option: - -.. code-block:: python - - ole = OleFileIO.OleFileIO('myfile.doc', raise_defects=DEFECT_INCORRECT) - -When the parsing is done, the list of non-fatal issues detected is -available as a list in the parsing\_issues attribute of the OleFileIO -object: - -.. code-block:: python - - print('Non-fatal issues raised during parsing:') - if ole.parsing_issues: - for exctype, msg in ole.parsing_issues: - print('- %s: %s' % (exctype.__name__, msg)) - else: - print('None') - -Syntax for stream and storage path -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -Two different syntaxes are allowed for methods that need or return the -path of streams and storages: - -1) Either a **list of strings** including all the storages from the root - up to the stream/storage name. For example a stream called - "WordDocument" at the root will have ['WordDocument'] as full path. A - stream called "ThisDocument" located in the storage "Macros/VBA" will - be ['Macros', 'VBA', 'ThisDocument']. This is the original syntax - from PIL. While hard to read and not very convenient, this syntax - works in all cases. - -2) Or a **single string with slashes** to separate storage and stream - names (similar to the Unix path syntax). The previous examples would - be 'WordDocument' and 'Macros/VBA/ThisDocument'. This syntax is - easier, but may fail if a stream or storage name contains a slash. - -Both are case-insensitive. - -Switching between the two is easy: - -.. code-block:: python - - slash_path = '/'.join(list_path) - list_path = slash_path.split('/') - -Get the list of streams -~~~~~~~~~~~~~~~~~~~~~~~ - -listdir() returns a list of all the streams contained in the OLE file, -including those stored in storages. Each stream is listed itself as a -list, as described above. - -.. code-block:: python - - print(ole.listdir()) - -Sample result: - -.. code-block:: python - - [['\x01CompObj'], ['\x05DocumentSummaryInformation'], ['\x05SummaryInformation'] - , ['1Table'], ['Macros', 'PROJECT'], ['Macros', 'PROJECTwm'], ['Macros', 'VBA', - 'Module1'], ['Macros', 'VBA', 'ThisDocument'], ['Macros', 'VBA', '_VBA_PROJECT'] - , ['Macros', 'VBA', 'dir'], ['ObjectPool'], ['WordDocument']] - -As an option it is possible to choose if storages should also be listed, -with or without streams: - -.. code-block:: python - - ole.listdir (streams=False, storages=True) - -Test if known streams/storages exist: -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -exists(path) checks if a given stream or storage exists in the OLE file. - -.. code-block:: python - - if ole.exists('worddocument'): - print("This is a Word document.") - if ole.exists('macros/vba'): - print("This document seems to contain VBA macros.") - -Read data from a stream -~~~~~~~~~~~~~~~~~~~~~~~ - -openstream(path) opens a stream as a file-like object. - -The following example extracts the "Pictures" stream from a PPT file: - -.. code-block:: python - - pics = ole.openstream('Pictures') - data = pics.read() - - -Get information about a stream/storage -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -Several methods can provide the size, type and timestamps of a given -stream/storage: - -get\_size(path) returns the size of a stream in bytes: - -.. code-block:: python - - s = ole.get_size('WordDocument') - -get\_type(path) returns the type of a stream/storage, as one of the -following constants: STGTY\_STREAM for a stream, STGTY\_STORAGE for a -storage, STGTY\_ROOT for the root entry, and False for a non existing -path. - -.. code-block:: python - - t = ole.get_type('WordDocument') - -get\_ctime(path) and get\_mtime(path) return the creation and -modification timestamps of a stream/storage, as a Python datetime object -with UTC timezone. Please note that these timestamps are only present if -the application that created the OLE file explicitly stored them, which -is rarely the case. When not present, these methods return None. - -.. code-block:: python - - c = ole.get_ctime('WordDocument') - m = ole.get_mtime('WordDocument') - -The root storage is a special case: You can get its creation and -modification timestamps using the OleFileIO.root attribute: - -.. code-block:: python - - c = ole.root.getctime() - m = ole.root.getmtime() - -Extract metadata -~~~~~~~~~~~~~~~~ - -get\_metadata() will check if standard property streams exist, parse all -the properties they contain, and return an OleMetadata object with the -found properties as attributes. - -.. code-block:: python - - meta = ole.get_metadata() - print('Author:', meta.author) - print('Title:', meta.title) - print('Creation date:', meta.create_time) - # print all metadata: - meta.dump() - -Available attributes include: - -:: - - codepage, title, subject, author, keywords, comments, template, - last_saved_by, revision_number, total_edit_time, last_printed, create_time, - last_saved_time, num_pages, num_words, num_chars, thumbnail, - creating_application, security, codepage_doc, category, presentation_target, - bytes, lines, paragraphs, slides, notes, hidden_slides, mm_clips, - scale_crop, heading_pairs, titles_of_parts, manager, company, links_dirty, - chars_with_spaces, unused, shared_doc, link_base, hlinks, hlinks_changed, - version, dig_sig, content_type, content_status, language, doc_version - -See the source code of the OleMetadata class for more information. - -Parse a property stream -~~~~~~~~~~~~~~~~~~~~~~~ - -get\_properties(path) can be used to parse any property stream that is -not handled by get\_metadata. It returns a dictionary indexed by -integers. Each integer is the index of the property, pointing to its -value. For example in the standard property stream -'05SummaryInformation', the document title is property #2, and the -subject is #3. - -.. code-block:: python - - p = ole.getproperties('specialprops') - -By default as in the original PIL version, timestamp properties are -converted into a number of seconds since Jan 1,1601. With the option -convert\_time, you can obtain more convenient Python datetime objects -(UTC timezone). If some time properties should not be converted (such as -total editing time in '05SummaryInformation'), the list of indexes can -be passed as no\_conversion: - -.. code-block:: python - - p = ole.getproperties('specialprops', convert_time=True, no_conversion=[10]) - -Close the OLE file -~~~~~~~~~~~~~~~~~~ - -Unless your application is a simple script that terminates after -processing an OLE file, do not forget to close each OleFileIO object -after parsing to close the file on disk. - -.. code-block:: python - - ole.close() - -Use OleFileIO as a script -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -OleFileIO can also be used as a script from the command-line to -display the structure of an OLE file and its metadata, for example: - -:: - - PIL/OleFileIO.py myfile.doc - -You can use the option -c to check that all streams can be read fully, -and -d to generate very verbose debugging information. - -How to contribute ------------------ - -The code is available in `a Mercurial repository on -bitbucket `_. You may use -it to submit enhancements or to report any issue. - -If you would like to help us improve this module, or simply provide -feedback, please `contact me `_. You can -help in many ways: - -- test this module on different platforms / Python versions -- find and report bugs -- improve documentation, code samples, docstrings -- write unittest test cases -- provide tricky malformed files - -How to report bugs ------------------- - -To report a bug, for example a normal file which is not parsed -correctly, please use the `issue reporting -page `_, -or if you prefer to do it privately, use this `contact -form `_. Please provide all the -information about the context and how to reproduce the bug. - -If possible please join the debugging output of OleFileIO. For this, -launch the following command : - -:: - - PIL/OleFileIO.py -d -c file >debug.txt - - -Classes and Methods -------------------- - -.. automodule:: PIL.OleFileIO - :members: - :undoc-members: - :show-inheritance: - :noindex: diff --git a/docs/reference/PSDraw.rst b/docs/reference/PSDraw.rst index 2b5b9b340b3..3e8512e7aa8 100644 --- a/docs/reference/PSDraw.rst +++ b/docs/reference/PSDraw.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.PSDraw .. py:currentmodule:: PIL.PSDraw -:py:mod:`PSDraw` Module -======================= +:py:mod:`~PIL.PSDraw` Module +============================ -The :py:mod:`PSDraw` module provides simple print support for Postscript +The :py:mod:`~PIL.PSDraw` module provides simple print support for PostScript printers. You can print text, graphics and images through this module. .. autoclass:: PIL.PSDraw.PSDraw diff --git a/docs/reference/PixelAccess.rst b/docs/reference/PixelAccess.rst index 5c81ffad938..173a0bcc0e6 100644 --- a/docs/reference/PixelAccess.rst +++ b/docs/reference/PixelAccess.rst @@ -17,17 +17,25 @@ changes it. .. code-block:: python from PIL import Image - im = Image.open('hopper.jpg') - px = im.load() - print (px[4,4]) - px[4,4] = (0,0,0) - print (px[4,4]) + + with Image.open("hopper.jpg") as im: + px = im.load() + print(px[4, 4]) + px[4, 4] = (0, 0, 0) + print(px[4, 4]) Results in the following:: (23, 24, 68) (0, 0, 0) +Access using negative indexes is also possible. + +.. code-block:: python + + px[-1, -1] = (0, 0, 0) + print(px[-1, -1]) + :py:class:`PixelAccess` Class @@ -42,7 +50,7 @@ Results in the following:: multi-band images :param xy: The pixel coordinate, given as (x, y). - :param value: The pixel value. + :param color: The pixel value according to its mode. e.g. tuple (r, g, b) for RGB mode) .. method:: __getitem__(self, xy): @@ -58,10 +66,11 @@ Results in the following:: Modifies the pixel at x,y. The color is given as a single numerical value for single band images, and a tuple for - multi-band images + multi-band images. In addition to this, RGB and RGBA tuples + are accepted for P images. :param xy: The pixel coordinate, given as (x, y). - :param value: The pixel value. + :param color: The pixel value according to its mode. e.g. tuple (r, g, b) for RGB mode) .. method:: getpixel(self, xy): diff --git a/docs/reference/PyAccess.rst b/docs/reference/PyAccess.rst index 8bd8af9ff67..e77944d2001 100644 --- a/docs/reference/PyAccess.rst +++ b/docs/reference/PyAccess.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.PyAccess .. py:currentmodule:: PIL.PyAccess -:py:mod:`PyAccess` Module -========================= +:py:mod:`~PIL.PyAccess` Module +============================== -The :py:mod:`PyAccess` module provides a CFFI/Python implementation of the :ref:`PixelAccess`. This implementation is far faster on PyPy than the PixelAccess version. +The :py:mod:`~PIL.PyAccess` module provides a CFFI/Python implementation of the :ref:`PixelAccess`. This implementation is far faster on PyPy than the PixelAccess version. .. note:: Accessing individual pixels is fairly slow. If you are looping over all of the pixels in an image, there is likely @@ -18,17 +18,25 @@ The following script loads an image, accesses one pixel from it, then changes it .. code-block:: python from PIL import Image - im = Image.open('hopper.jpg') - px = im.load() - print (px[4,4]) - px[4,4] = (0,0,0) - print (px[4,4]) + + with Image.open("hopper.jpg") as im: + px = im.load() + print(px[4, 4]) + px[4, 4] = (0, 0, 0) + print(px[4, 4]) Results in the following:: (23, 24, 68) (0, 0, 0) +Access using negative indexes is also possible. + +.. code-block:: python + + px[-1, -1] = (0, 0, 0) + print(px[-1, -1]) + :py:class:`PyAccess` Class diff --git a/docs/reference/TiffTags.rst b/docs/reference/TiffTags.rst index 9518461dd10..1441185dd14 100644 --- a/docs/reference/TiffTags.rst +++ b/docs/reference/TiffTags.rst @@ -1,17 +1,17 @@ .. py:module:: PIL.TiffTags .. py:currentmodule:: PIL.TiffTags -:py:mod:`TiffTags` Module -========================= +:py:mod:`~PIL.TiffTags` Module +============================== -The :py:mod:`TiffTags` module exposes many of the stantard TIFF +The :py:mod:`~PIL.TiffTags` module exposes many of the standard TIFF metadata tag numbers, names, and type information. .. method:: lookup(tag) :param tag: Integer tag number - :returns: Taginfo namedtuple, From the ``TAGS_V2`` info if possible, - otherwise just populating the value and name from ``TAGS``. + :returns: Taginfo namedtuple, From the :py:data:`~PIL.TiffTags.TAGS_V2` info if possible, + otherwise just populating the value and name from :py:data:`~PIL.TiffTags.TAGS`. If the tag is not recognized, "unknown" is returned for the name .. versionadded:: 3.1.0 @@ -22,7 +22,7 @@ metadata tag numbers, names, and type information. :param value: Integer Tag Number :param name: Tag Name - :param type: Integer type from :py:attr:`PIL.TiffTags.TYPES` + :param type: Integer type from :py:data:`PIL.TiffTags.TYPES` :param length: Array length: 0 == variable, 1 == single value, n = fixed :param enum: Dict of name:integer value options for an enumeration @@ -33,15 +33,17 @@ metadata tag numbers, names, and type information. .. versionadded:: 3.0.0 -.. py:attribute:: PIL.TiffTags.TAGS_V2 +.. py:data:: PIL.TiffTags.TAGS_V2 + :type: dict The ``TAGS_V2`` dictionary maps 16-bit integer tag numbers to - :py:class:`PIL.TagTypes.TagInfo` tuples for metadata fields defined in the TIFF + :py:class:`PIL.TiffTags.TagInfo` tuples for metadata fields defined in the TIFF spec. .. versionadded:: 3.0.0 -.. py:attribute:: PIL.TiffTags.TAGS +.. py:data:: PIL.TiffTags.TAGS + :type: dict The ``TAGS`` dictionary maps 16-bit integer TIFF tag number to descriptive string names. For instance: @@ -50,10 +52,16 @@ metadata tag numbers, names, and type information. >>> TAGS[0x010e] 'ImageDescription' - This dictionary contains a superset of the tags in TAGS_V2, common + This dictionary contains a superset of the tags in :py:data:`~PIL.TiffTags.TAGS_V2`, common EXIF tags, and other well known metadata tags. -.. py:attribute:: PIL.TiffTags.TYPES +.. py:data:: PIL.TiffTags.TYPES + :type: dict The ``TYPES`` dictionary maps the TIFF type short integer to a human readable type name. + +.. py:data:: PIL.TiffTags.LIBTIFF_CORE + :type: list + + A list of supported tag IDs when writing using LibTIFF. diff --git a/docs/reference/block_allocator.rst b/docs/reference/block_allocator.rst new file mode 100644 index 00000000000..1abe5280fbf --- /dev/null +++ b/docs/reference/block_allocator.rst @@ -0,0 +1,47 @@ +Block Allocator +=============== + +Previous Design +--------------- + +Historically there have been two image allocators in Pillow: +``ImagingAllocateBlock`` and ``ImagingAllocateArray``. The first works +for images smaller than 16MB of data and allocates one large chunk of +memory of ``im->linesize * im->ysize`` bytes. The second works for +large images and makes one allocation for each scan line of size +``im->linesize`` bytes. This makes for a very sharp transition +between one allocation and potentially thousands of small allocations, +leading to unpredictable performance penalties around the transition. + +New Design +---------- + +``ImagingAllocateArray`` now allocates space for images as a chain of +blocks with a maximum size of 16MB. If there is a memory allocation +error, it falls back to allocating a 4KB block, or at least one scan +line. This is now the default for all internal allocations. + +``ImagingAllocateBlock`` is now only used for those cases when we are +specifically requesting a single segment of memory for sharing with +other code. + +Memory Pools +------------ + +There is now a memory pool to contain a supply of recently freed +blocks, which can then be reused without going back to the OS for a +fresh allocation. This caching of free blocks is currently disabled by +default, but can be enabled and tweaked using three environment +variables: + + * ``PILLOW_ALIGNMENT``, in bytes. Specifies the alignment of memory + allocations. Valid values are powers of 2 between 1 and + 128, inclusive. Defaults to 1. + + * ``PILLOW_BLOCK_SIZE``, in bytes, K, or M. Specifies the maximum + block size for ``ImagingAllocateArray``. Valid values are + integers, with an optional ``k`` or ``m`` suffix. Defaults to 16M. + + * ``PILLOW_BLOCKS_MAX`` Specifies the number of freed blocks to + retain to fill future memory requests. Any freed blocks over this + threshold will be returned to the OS immediately. Defaults to 0. diff --git a/docs/reference/c_extension_debugging.rst b/docs/reference/c_extension_debugging.rst new file mode 100644 index 00000000000..2ba95b8a6bc --- /dev/null +++ b/docs/reference/c_extension_debugging.rst @@ -0,0 +1,470 @@ +C Extension debugging on Linux, with gbd/valgrind. +================================================== + +Install the tools +----------------- + +You need some basics in addition to the basic tools to build +pillow. These are what's required on Ubuntu, YMMV for other +distributions. + +- ``python3-dbg`` package for the gdb extensions and python symbols +- ``gdb`` and ``valgrind`` +- Potentially debug symbols for libraries. On ubuntu they're shipped + in package-dbgsym packages, from a different repo. + +:: + + deb http://ddebs.ubuntu.com focal main restricted universe multiverse + deb http://ddebs.ubuntu.com focal-updates main restricted universe multiverse + deb http://ddebs.ubuntu.com focal-proposed main restricted universe multiverse + +Then ``sudo apt-get update && sudo apt-get install libtiff5-dbgsym`` + +- There's a bug with the dbg package for at least python 3.8 on ubuntu + 20.04, and you need to add a new link or two to make it autoload when + running python: + +:: + + cd /usr/share/gdb/auto-load/usr/bin + ln -s python3.8m-gdb.py python3.8d-gdb.py + +- In Ubuntu 18.04, it's actually including the path to the virtualenv + in the search for the ``python3.*-gdb.py`` file, but you can + helpfully put in the same directory as the binary. + +- I also find that history is really useful for gdb, so I added this to + my ``~/.gdbinit`` file: + +:: + + set history filename ~/.gdb_history + set history save on + +- If the python stack isn't working in gdb, then + ``set debug auto-load`` can also be helpful in ``.gdbinit``. + +- Make a virtualenv with the debug python and activate it, then install + whatever dependencies are required and build. You want to build with + the debug python so you get symbols for your extension. + +:: + + virtualenv -p python3.8-dbg ~/vpy38-dbg + source ~/vpy38-dbg/bin/activate + cd ~/Pillow && pip install -r requirements.txt && make install + +Test Case +--------- + +Take your test image, and make a really simple harness. + +:: + + from PIL import Image + + with Image.open(path) as im: + im.load() + +- Run this through valgrind, but note that python triggers some issues + on its own, so you're looking for items within the Pillow hierarchy + that don't look like they're solely in the python call chain. In this + example, the ones we're interested are after the warnings, and have + ``decode.c`` and ``TiffDecode.c`` in the call stack: + +:: + + (vpy38-dbg) ubuntu@primary:~/Home/tests$ valgrind python test_tiff.py + ==51890== Memcheck, a memory error detector + ==51890== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. + ==51890== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info + ==51890== Command: python test_tiff.py + ==51890== + ==51890== Invalid read of size 4 + ==51890== at 0x472E3D: address_in_range (obmalloc.c:1401) + ==51890== by 0x472EEA: pymalloc_free (obmalloc.c:1677) + ==51890== by 0x474960: _PyObject_Free (obmalloc.c:1896) + ==51890== by 0x473BAC: _PyMem_DebugRawFree (obmalloc.c:2187) + ==51890== by 0x473BD4: _PyMem_DebugFree (obmalloc.c:2318) + ==51890== by 0x474C08: PyObject_Free (obmalloc.c:709) + ==51890== by 0x45DD60: dictresize (dictobject.c:1259) + ==51890== by 0x45DD76: insertion_resize (dictobject.c:1019) + ==51890== by 0x464F30: PyDict_SetDefault (dictobject.c:2924) + ==51890== by 0x4D03BE: PyUnicode_InternInPlace (unicodeobject.c:15289) + ==51890== by 0x4D0700: PyUnicode_InternFromString (unicodeobject.c:15322) + ==51890== by 0x64D2FC: descr_new (descrobject.c:857) + ==51890== Address 0x4c1b020 is 384 bytes inside a block of size 1,160 free'd + ==51890== at 0x483CA3F: free (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) + ==51890== by 0x4735D3: _PyMem_RawFree (obmalloc.c:127) + ==51890== by 0x473BAC: _PyMem_DebugRawFree (obmalloc.c:2187) + ==51890== by 0x474941: PyMem_RawFree (obmalloc.c:595) + ==51890== by 0x47496E: _PyObject_Free (obmalloc.c:1898) + ==51890== by 0x473BAC: _PyMem_DebugRawFree (obmalloc.c:2187) + ==51890== by 0x473BD4: _PyMem_DebugFree (obmalloc.c:2318) + ==51890== by 0x474C08: PyObject_Free (obmalloc.c:709) + ==51890== by 0x45DD60: dictresize (dictobject.c:1259) + ==51890== by 0x45DD76: insertion_resize (dictobject.c:1019) + ==51890== by 0x464F30: PyDict_SetDefault (dictobject.c:2924) + ==51890== by 0x4D03BE: PyUnicode_InternInPlace (unicodeobject.c:15289) + ==51890== Block was alloc'd at + ==51890== at 0x483B7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) + ==51890== by 0x473646: _PyMem_RawMalloc (obmalloc.c:99) + ==51890== by 0x473529: _PyMem_DebugRawAlloc (obmalloc.c:2120) + ==51890== by 0x473565: _PyMem_DebugRawMalloc (obmalloc.c:2153) + ==51890== by 0x4748B1: PyMem_RawMalloc (obmalloc.c:572) + ==51890== by 0x475909: _PyObject_Malloc (obmalloc.c:1628) + ==51890== by 0x473529: _PyMem_DebugRawAlloc (obmalloc.c:2120) + ==51890== by 0x473565: _PyMem_DebugRawMalloc (obmalloc.c:2153) + ==51890== by 0x4736B0: _PyMem_DebugMalloc (obmalloc.c:2303) + ==51890== by 0x474B78: PyObject_Malloc (obmalloc.c:685) + ==51890== by 0x45C435: new_keys_object (dictobject.c:558) + ==51890== by 0x45DA95: dictresize (dictobject.c:1202) + ==51890== + ==51890== Invalid read of size 4 + ==51890== at 0x472E3D: address_in_range (obmalloc.c:1401) + ==51890== by 0x47594A: pymalloc_realloc (obmalloc.c:1929) + ==51890== by 0x475A02: _PyObject_Realloc (obmalloc.c:1982) + ==51890== by 0x473DCA: _PyMem_DebugRawRealloc (obmalloc.c:2240) + ==51890== by 0x473FF8: _PyMem_DebugRealloc (obmalloc.c:2326) + ==51890== by 0x4749FB: PyMem_Realloc (obmalloc.c:623) + ==51890== by 0x44A6FC: list_resize (listobject.c:70) + ==51890== by 0x44A872: app1 (listobject.c:340) + ==51890== by 0x44FD65: PyList_Append (listobject.c:352) + ==51890== by 0x514315: r_ref (marshal.c:945) + ==51890== by 0x516034: r_object (marshal.c:1139) + ==51890== by 0x516C70: r_object (marshal.c:1389) + ==51890== Address 0x4c41020 is 32 bytes before a block of size 1,600 in arena "client" + ==51890== + ==51890== Conditional jump or move depends on uninitialised value(s) + ==51890== at 0x472E46: address_in_range (obmalloc.c:1403) + ==51890== by 0x47594A: pymalloc_realloc (obmalloc.c:1929) + ==51890== by 0x475A02: _PyObject_Realloc (obmalloc.c:1982) + ==51890== by 0x473DCA: _PyMem_DebugRawRealloc (obmalloc.c:2240) + ==51890== by 0x473FF8: _PyMem_DebugRealloc (obmalloc.c:2326) + ==51890== by 0x4749FB: PyMem_Realloc (obmalloc.c:623) + ==51890== by 0x44A6FC: list_resize (listobject.c:70) + ==51890== by 0x44A872: app1 (listobject.c:340) + ==51890== by 0x44FD65: PyList_Append (listobject.c:352) + ==51890== by 0x5E3321: _posix_listdir (posixmodule.c:3823) + ==51890== by 0x5E33A8: os_listdir_impl (posixmodule.c:3879) + ==51890== by 0x5E4D77: os_listdir (posixmodule.c.h:1197) + ==51890== + ==51890== Use of uninitialised value of size 8 + ==51890== at 0x472E59: address_in_range (obmalloc.c:1403) + ==51890== by 0x47594A: pymalloc_realloc (obmalloc.c:1929) + ==51890== by 0x475A02: _PyObject_Realloc (obmalloc.c:1982) + ==51890== by 0x473DCA: _PyMem_DebugRawRealloc (obmalloc.c:2240) + ==51890== by 0x473FF8: _PyMem_DebugRealloc (obmalloc.c:2326) + ==51890== by 0x4749FB: PyMem_Realloc (obmalloc.c:623) + ==51890== by 0x44A6FC: list_resize (listobject.c:70) + ==51890== by 0x44A872: app1 (listobject.c:340) + ==51890== by 0x44FD65: PyList_Append (listobject.c:352) + ==51890== by 0x5E3321: _posix_listdir (posixmodule.c:3823) + ==51890== by 0x5E33A8: os_listdir_impl (posixmodule.c:3879) + ==51890== by 0x5E4D77: os_listdir (posixmodule.c.h:1197) + ==51890== + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 16908288 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 67895296 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 1572864 bytes but only got 0. Skipping tag 42 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 116647 bytes but only got 4867. Skipping tag 42738 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 3468830728 bytes but only got 4851. Skipping tag 279 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 2198732800 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 67239937 bytes but only got 4125. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33947764 bytes but only got 0. Skipping tag 139 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 17170432 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 80478208 bytes but only got 0. Skipping tag 1 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 787460 bytes but only got 4882. Skipping tag 20 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 1075 bytes but only got 0. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 120586240 bytes but only got 0. Skipping tag 194 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 65536 bytes but only got 0. Skipping tag 3 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 198656 bytes but only got 0. Skipping tag 279 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 206848 bytes but only got 0. Skipping tag 64512 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 130968 bytes but only got 4882. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 77848 bytes but only got 4689. Skipping tag 64270 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 262156 bytes but only got 0. Skipping tag 257 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33624064 bytes but only got 0. Skipping tag 49152 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 67178752 bytes but only got 4627. Skipping tag 50688 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33632768 bytes but only got 0. Skipping tag 56320 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 134386688 bytes but only got 4115. Skipping tag 2048 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33912832 bytes but only got 0. Skipping tag 7168 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 151966208 bytes but only got 4627. Skipping tag 10240 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 119032832 bytes but only got 3859. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 46535680 bytes but only got 0. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 35651584 bytes but only got 0. Skipping tag 42 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 524288 bytes but only got 0. Skipping tag 0 + warnings.warn( + _TIFFVSetField: tempfile.tif: Null count for "Tag 769" (type 1, writecount -3, passcount 1). + _TIFFVSetField: tempfile.tif: Null count for "Tag 42754" (type 1, writecount -3, passcount 1). + _TIFFVSetField: tempfile.tif: Null count for "Tag 769" (type 1, writecount -3, passcount 1). + _TIFFVSetField: tempfile.tif: Null count for "Tag 42754" (type 1, writecount -3, passcount 1). + ZIPDecode: Decoding error at scanline 0, incorrect header check. + ==51890== Invalid write of size 4 + ==51890== at 0x61C39E6: putcontig8bitYCbCr22tile (tif_getimage.c:2146) + ==51890== by 0x61C5865: gtStripContig (tif_getimage.c:977) + ==51890== by 0x6094317: ReadStrip (TiffDecode.c:269) + ==51890== by 0x6094749: ImagingLibTiffDecode (TiffDecode.c:479) + ==51890== by 0x60615D1: _decode (decode.c:136) + ==51890== by 0x64BF47: method_vectorcall_VARARGS (descrobject.c:300) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== by 0x43627B: function_code_fastcall (call.c:283) + ==51890== by 0x436D21: _PyFunction_Vectorcall (call.c:410) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== Address 0x6f456d4 is 0 bytes after a block of size 68 alloc'd + ==51890== at 0x483DFAF: realloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) + ==51890== by 0x60946D0: ImagingLibTiffDecode (TiffDecode.c:469) + ==51890== by 0x60615D1: _decode (decode.c:136) + ==51890== by 0x64BF47: method_vectorcall_VARARGS (descrobject.c:300) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== by 0x43627B: function_code_fastcall (call.c:283) + ==51890== by 0x436D21: _PyFunction_Vectorcall (call.c:410) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== by 0x4DFDFB: _PyEval_EvalCodeWithName (ceval.c:4298) + ==51890== by 0x436C40: _PyFunction_Vectorcall (call.c:435) + ==51890== + ==51890== Invalid write of size 4 + ==51890== at 0x61C39B5: putcontig8bitYCbCr22tile (tif_getimage.c:2145) + ==51890== by 0x61C5865: gtStripContig (tif_getimage.c:977) + ==51890== by 0x6094317: ReadStrip (TiffDecode.c:269) + ==51890== by 0x6094749: ImagingLibTiffDecode (TiffDecode.c:479) + ==51890== by 0x60615D1: _decode (decode.c:136) + ==51890== by 0x64BF47: method_vectorcall_VARARGS (descrobject.c:300) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== by 0x43627B: function_code_fastcall (call.c:283) + ==51890== by 0x436D21: _PyFunction_Vectorcall (call.c:410) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== Address 0x6f456d8 is 4 bytes after a block of size 68 alloc'd + ==51890== at 0x483DFAF: realloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) + ==51890== by 0x60946D0: ImagingLibTiffDecode (TiffDecode.c:469) + ==51890== by 0x60615D1: _decode (decode.c:136) + ==51890== by 0x64BF47: method_vectorcall_VARARGS (descrobject.c:300) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== by 0x43627B: function_code_fastcall (call.c:283) + ==51890== by 0x436D21: _PyFunction_Vectorcall (call.c:410) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== by 0x4DFDFB: _PyEval_EvalCodeWithName (ceval.c:4298) + ==51890== by 0x436C40: _PyFunction_Vectorcall (call.c:435) + ==51890== + TIFFFillStrip: Invalid strip byte count 0, strip 1. + Traceback (most recent call last): + File "test_tiff.py", line 8, in + im.load() + File "/home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py", line 1087, in load + return self._load_libtiff() + File "/home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py", line 1191, in _load_libtiff + raise OSError(err) + OSError: -2 + sys:1: ResourceWarning: unclosed file <_io.BufferedReader name='crash-2020-10-test.tiff'> + ==51890== + ==51890== HEAP SUMMARY: + ==51890== in use at exit: 748,734 bytes in 444 blocks + ==51890== total heap usage: 6,320 allocs, 5,876 frees, 69,142,969 bytes allocated + ==51890== + ==51890== LEAK SUMMARY: + ==51890== definitely lost: 0 bytes in 0 blocks + ==51890== indirectly lost: 0 bytes in 0 blocks + ==51890== possibly lost: 721,538 bytes in 372 blocks + ==51890== still reachable: 27,196 bytes in 72 blocks + ==51890== suppressed: 0 bytes in 0 blocks + ==51890== Rerun with --leak-check=full to see details of leaked memory + ==51890== + ==51890== Use --track-origins=yes to see where uninitialised values come from + ==51890== For lists of detected and suppressed errors, rerun with: -s + ==51890== ERROR SUMMARY: 2556 errors from 6 contexts (suppressed: 0 from 0) + (vpy38-dbg) ubuntu@primary:~/Home/tests$ + +- Now that we've confirmed that there's something odd/bad going on, + it's time to gdb. +- Start with ``gdb python`` +- Set a break point starting with the valgrind stack trace. + ``b TiffDecode.c:269`` +- Run the script with ``r test_tiff.py`` +- When the break point is hit, explore the state with ``info locals``, + ``bt``, ``py-bt``, or ``p [variable]``. For pointers, + ``p *[variable]`` is useful. + +:: + + (vpy38-dbg) ubuntu@primary:~/Home/tests$ gdb python + GNU gdb (Ubuntu 9.2-0ubuntu1~20.04) 9.2 + Copyright (C) 2020 Free Software Foundation, Inc. + License GPLv3+: GNU GPL version 3 or later + This is free software: you are free to change and redistribute it. + There is NO WARRANTY, to the extent permitted by law. + Type "show copying" and "show warranty" for details. + This GDB was configured as "x86_64-linux-gnu". + Type "show configuration" for configuration details. + For bug reporting instructions, please see: + . + Find the GDB manual and other documentation resources online at: + . + + For help, type "help". + Type "apropos word" to search for commands related to "word"... + Reading symbols from python... + (gdb) b TiffDecode.c:269 + No source file named TiffDecode.c. + Make breakpoint pending on future shared library load? (y or [n]) y + Breakpoint 1 (TiffDecode.c:269) pending. + (gdb) r test_tiff.py + Starting program: /home/ubuntu/vpy38-dbg/bin/python test_tiff.py + [Thread debugging using libthread_db enabled] + Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 16908288 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 67895296 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 1572864 bytes but only got 0. Skipping tag 42 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 116647 bytes but only got 4867. Skipping tag 42738 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 3468830728 bytes but only got 4851. Skipping tag 279 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 2198732800 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 67239937 bytes but only got 4125. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33947764 bytes but only got 0. Skipping tag 139 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 17170432 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 80478208 bytes but only got 0. Skipping tag 1 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 787460 bytes but only got 4882. Skipping tag 20 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 1075 bytes but only got 0. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 120586240 bytes but only got 0. Skipping tag 194 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 65536 bytes but only got 0. Skipping tag 3 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 198656 bytes but only got 0. Skipping tag 279 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 206848 bytes but only got 0. Skipping tag 64512 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 130968 bytes but only got 4882. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 77848 bytes but only got 4689. Skipping tag 64270 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 262156 bytes but only got 0. Skipping tag 257 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33624064 bytes but only got 0. Skipping tag 49152 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 67178752 bytes but only got 4627. Skipping tag 50688 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33632768 bytes but only got 0. Skipping tag 56320 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 134386688 bytes but only got 4115. Skipping tag 2048 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33912832 bytes but only got 0. Skipping tag 7168 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 151966208 bytes but only got 4627. Skipping tag 10240 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 119032832 bytes but only got 3859. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 46535680 bytes but only got 0. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 35651584 bytes but only got 0. Skipping tag 42 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 524288 bytes but only got 0. Skipping tag 0 + warnings.warn( + _TIFFVSetField: tempfile.tif: Null count for "Tag 769" (type 1, writecount -3, passcount 1). + _TIFFVSetField: tempfile.tif: Null count for "Tag 42754" (type 1, writecount -3, passcount 1). + _TIFFVSetField: tempfile.tif: Null count for "Tag 769" (type 1, writecount -3, passcount 1). + _TIFFVSetField: tempfile.tif: Null count for "Tag 42754" (type 1, writecount -3, passcount 1). + + Breakpoint 1, ReadStrip (tiff=tiff@entry=0xae9b90, row=0, buffer=0xac2eb0) at src/libImaging/TiffDecode.c:269 + 269 ok = TIFFRGBAImageGet(&img, buffer, img.width, rows_to_read); + (gdb) p img + $1 = {tif = 0xae9b90, stoponerr = 0, isContig = 1, alpha = 0, width = 20, height = 1536, bitspersample = 8, samplesperpixel = 3, + orientation = 1, req_orientation = 1, photometric = 6, redcmap = 0x0, greencmap = 0x0, bluecmap = 0x0, get = + 0x7ffff71d0710 , put = {any = 0x7ffff71ce550 , + contig = 0x7ffff71ce550 , separate = 0x7ffff71ce550 }, Map = 0x0, + BWmap = 0x0, PALmap = 0x0, ycbcr = 0xaf24b0, cielab = 0x0, UaToAa = 0x0, Bitdepth16To8 = 0x0, row_offset = 0, col_offset = 0} + (gdb) up + #1 0x00007ffff736174a in ImagingLibTiffDecode (im=0xac1f90, state=0x7ffff76767e0, buffer=, bytes=) + at src/libImaging/TiffDecode.c:479 + 479 if (ReadStrip(tiff, state->y, (UINT32 *)state->buffer) == -1) { + (gdb) p *state + $2 = {count = 0, state = 0, errcode = 0, x = 0, y = 0, ystep = 0, xsize = 17, ysize = 108, xoff = 0, yoff = 0, + shuffle = 0x7ffff735f411 , bits = 32, bytes = 68, buffer = 0xac2eb0 "P\354\336\367\377\177", context = 0xa75440, fd = 0x0} + (gdb) py-bt + Traceback (most recent call first): + File "/home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py", line 1428, in _load_libtiff + + File "/home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py", line 1087, in load + return self._load_libtiff() + File "test_tiff.py", line 8, in + im.load() + +- Poke around till you understand what's going on. In this case, + state->xsize and img.width are different, which led to an out of + bounds write, as the receiving buffer was sized for the smaller of + the two. + +Caveats +------- + +- If your program is running/hung in a docker container and your host + has the appropriate tools, you can run gdb as the superuser in the + host and you may be able to get a trace of where the process is hung. + You probably won't have the capability to do that from within the + docker container, as the trace capacity isn't allowed by default. + +- Variations of this are possible on the mac/windows, but the details + are going to be different. + +- IIRC, Fedora has the gdb bits working by default. Ubuntu has always + been a bit of a battle to make it work. diff --git a/docs/reference/features.rst b/docs/reference/features.rst new file mode 100644 index 00000000000..0a6381098da --- /dev/null +++ b/docs/reference/features.rst @@ -0,0 +1,66 @@ +.. py:module:: PIL.features +.. py:currentmodule:: PIL.features + +:py:mod:`~PIL.features` Module +============================== + +The :py:mod:`PIL.features` module can be used to detect which Pillow features are available on your system. + +.. autofunction:: PIL.features.pilinfo +.. autofunction:: PIL.features.check +.. autofunction:: PIL.features.version +.. autofunction:: PIL.features.get_supported + +Modules +------- + +Support for the following modules can be checked: + +* ``pil``: The Pillow core module, required for all functionality. +* ``tkinter``: Tkinter support. +* ``freetype2``: FreeType font support via :py:func:`PIL.ImageFont.truetype`. +* ``littlecms2``: LittleCMS 2 support via :py:mod:`PIL.ImageCms`. +* ``webp``: WebP image support. + +.. autofunction:: PIL.features.check_module +.. autofunction:: PIL.features.version_module +.. autofunction:: PIL.features.get_supported_modules + +Codecs +------ + +Support for these is only checked during Pillow compilation. +If the required library was uninstalled from the system, the ``pil`` core module may fail to load instead. +Except for ``jpg``, the version number is checked at run-time. + +Support for the following codecs can be checked: + +* ``jpg``: (compile time) Libjpeg support, required for JPEG based image formats. Only compile time version number is available. +* ``jpg_2000``: (compile time) OpenJPEG support, required for JPEG 2000 image formats. +* ``zlib``: (compile time) Zlib support, required for zlib compressed formats, such as PNG. +* ``libtiff``: (compile time) LibTIFF support, required for TIFF based image formats. + +.. autofunction:: PIL.features.check_codec +.. autofunction:: PIL.features.version_codec +.. autofunction:: PIL.features.get_supported_codecs + +Features +-------- + +Some of these are only checked during Pillow compilation. +If the required library was uninstalled from the system, the relevant module may fail to load instead. +Feature version numbers are available only where stated. + +Support for the following features can be checked: + +* ``libjpeg_turbo``: (compile time) Whether Pillow was compiled against the libjpeg-turbo version of libjpeg. Compile-time version number is available. +* ``transp_webp``: Support for transparency in WebP images. +* ``webp_mux``: (compile time) Support for EXIF data in WebP images. +* ``webp_anim``: (compile time) Support for animated WebP images. +* ``raqm``: Raqm library, required for ``ImageFont.LAYOUT_RAQM`` in :py:func:`PIL.ImageFont.truetype`. Run-time version number is available for Raqm 0.7.0 or newer. +* ``libimagequant``: (compile time) ImageQuant quantization support in :py:func:`PIL.Image.Image.quantize`. Run-time version number is available. +* ``xcb``: (compile time) Support for X11 in :py:func:`PIL.ImageGrab.grab` via the XCB library. + +.. autofunction:: PIL.features.check_feature +.. autofunction:: PIL.features.version_feature +.. autofunction:: PIL.features.get_supported_features diff --git a/docs/reference/index.rst b/docs/reference/index.rst index 555bd2a57d2..5d6affa94ad 100644 --- a/docs/reference/index.rst +++ b/docs/reference/index.rst @@ -7,8 +7,8 @@ Reference Image ImageChops - ImageColor ImageCms + ImageColor ImageDraw ImageEnhance ImageFile @@ -22,14 +22,17 @@ Reference ImagePath ImageQt ImageSequence + ImageShow ImageStat ImageTk ImageWin ExifTags TiffTags - OleFileIO + JpegPresets PSDraw PixelAccess PyAccess + features ../PIL plugins + internal_design diff --git a/docs/reference/internal_design.rst b/docs/reference/internal_design.rst new file mode 100644 index 00000000000..2e2d3322f75 --- /dev/null +++ b/docs/reference/internal_design.rst @@ -0,0 +1,11 @@ +Internal Reference Docs +======================= + +.. toctree:: + :maxdepth: 2 + + open_files + limits + block_allocator + internal_modules + c_extension_debugging diff --git a/docs/reference/internal_modules.rst b/docs/reference/internal_modules.rst new file mode 100644 index 00000000000..1105ff76e1f --- /dev/null +++ b/docs/reference/internal_modules.rst @@ -0,0 +1,47 @@ +Internal Modules +================ + +:mod:`~PIL._binary` Module +-------------------------- + +.. automodule:: PIL._binary + :members: + :undoc-members: + :show-inheritance: + +:mod:`~PIL._tkinter_finder` Module +---------------------------------- + +.. automodule:: PIL._tkinter_finder + :members: + :undoc-members: + :show-inheritance: + +:mod:`~PIL._util` Module +------------------------ + +.. automodule:: PIL._util + :members: + :undoc-members: + :show-inheritance: + +:mod:`~PIL._version` Module +--------------------------- + +.. module:: PIL._version + +.. data:: __version__ + :annotation: + :type: str + + This is the master version number for Pillow, + all other uses reference this module. + +:mod:`PIL.Image.core` Module +---------------------------- + +.. module:: PIL._imaging +.. module:: PIL.Image.core + +An internal interface module previously known as :mod:`~PIL._imaging`, +implemented in :file:`_imaging.c`. diff --git a/docs/reference/limits.rst b/docs/reference/limits.rst new file mode 100644 index 00000000000..a71b514b5aa --- /dev/null +++ b/docs/reference/limits.rst @@ -0,0 +1,34 @@ +Limits +------ + +This page is documentation to the various fundamental size limits in +the Pillow implementation. + +Internal Limits +=============== + +* Image sizes cannot be negative. These are checked both in + ``Storage.c`` and ``Image.py`` + +* Image sizes may be 0. (Although not in 3.4) + +* Maximum pixel dimensions are limited to INT32, or 2^31 by the sizes + in the image header. + +* Individual allocations are limited to 2GB in ``Storage.c`` + +* The 2GB allocation puts an upper limit to the xsize of the image of + either 2^31 for 'L' or 2^29 for 'RGB' + +* Individual memory mapped segments are limited to 2GB in map.c based + on the overflow checks. This requires that any memory mapped image + is smaller than 2GB, as calculated by ``y*stride`` (so 2Gpx for 'L' + images, and .5Gpx for 'RGB' + +Format Size Limits +================== + +* ICO: Max size is 256x256 + +* Webp: 16383x16383 (underlying library size limit: + https://developers.google.com/speed/webp/docs/api) diff --git a/docs/reference/open_files.rst b/docs/reference/open_files.rst new file mode 100644 index 00000000000..6bfd50588ab --- /dev/null +++ b/docs/reference/open_files.rst @@ -0,0 +1,112 @@ +.. _file-handling: + +File Handling in Pillow +======================= + +When opening a file as an image, Pillow requires a filename, ``pathlib.Path`` +object, or a file-like object. Pillow uses the filename or ``Path`` to open a +file, so for the rest of this article, they will all be treated as a file-like +object. + +The following are all equivalent:: + + from PIL import Image + import io + import pathlib + + with Image.open("test.jpg") as im: + ... + + with Image.open(pathlib.Path("test.jpg")) as im2: + ... + + with open("test.jpg", "rb") as f: + im3 = Image.open(f) + ... + + with open("test.jpg", "rb") as f: + im4 = Image.open(io.BytesIO(f.read())) + ... + +If a filename or a path-like object is passed to Pillow, then the resulting +file object opened by Pillow may also be closed by Pillow after the +``Image.Image.load()`` method is called, provided the associated image does not +have multiple frames. + +Pillow cannot in general close and reopen a file, so any access to +that file needs to be prior to the close. + +Image Lifecycle +--------------- + +* ``Image.open()`` Filenames and ``Path`` objects are opened as a file. + Metadata is read from the open file. The file is left open for further usage. + +* ``Image.Image.load()`` When the pixel data from the image is + required, ``load()`` is called. The current frame is read into + memory. The image can now be used independently of the underlying + image file. + + Any Pillow method that creates a new image instance based on another will + internally call ``load()`` on the original image and then read the data. + The new image instance will not be associated with the original image file. + + If a filename or a ``Path`` object was passed to ``Image.open()``, then the + file object was opened by Pillow and is considered to be used exclusively by + Pillow. So if the image is a single-frame image, the file will be closed in + this method after the frame is read. If the image is a multi-frame image, + (e.g. multipage TIFF and animated GIF) the image file is left open so that + ``Image.Image.seek()`` can load the appropriate frame. + +* ``Image.Image.close()`` Closes the file and destroys the core image object. + + The Pillow context manager will also close the file, but will not destroy + the core image object. e.g.: + +.. code-block:: python + + with Image.open("test.jpg") as img: + img.load() + assert img.fp is None + img.save("test.png") + + +The lifecycle of a single-frame image is relatively simple. The file must +remain open until the ``load()`` or ``close()`` function is called or the +context manager exits. + +Multi-frame images are more complicated. The ``load()`` method is not +a terminal method, so it should not close the underlying file. In general, +Pillow does not know if there are going to be any requests for additional +data until the caller has explicitly closed the image. + + +Complications +------------- + +* ``TiffImagePlugin`` has some code to pass the underlying file descriptor into + libtiff (if working on an actual file). Since libtiff closes the file + descriptor internally, it is duplicated prior to passing it into libtiff. + +* After a file has been closed, operations that require file access will fail:: + + with open("test.jpg", "rb") as f: + im5 = Image.open(f) + im5.load() # FAILS, closed file + + with Image.open("test.jpg") as im6: + pass + im6.load() # FAILS, closed file + + +Proposed File Handling +---------------------- + +* ``Image.Image.load()`` should close the image file, unless there are + multiple frames. + +* ``Image.Image.seek()`` should never close the image file. + +* Users of the library should use a context manager or call + ``Image.Image.close()`` on any image opened with a filename or ``Path`` + object to ensure that the underlying file is closed. diff --git a/docs/reference/plugins.rst b/docs/reference/plugins.rst index 46f657fce57..7094f87846c 100644 --- a/docs/reference/plugins.rst +++ b/docs/reference/plugins.rst @@ -1,340 +1,332 @@ Plugin reference ================ -:mod:`BmpImagePlugin` Module ----------------------------- +:mod:`~PIL.BmpImagePlugin` Module +--------------------------------- .. automodule:: PIL.BmpImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`BufrStubImagePlugin` Module ---------------------------------- +:mod:`~PIL.BufrStubImagePlugin` Module +-------------------------------------- .. automodule:: PIL.BufrStubImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`CurImagePlugin` Module ----------------------------- +:mod:`~PIL.CurImagePlugin` Module +--------------------------------- .. automodule:: PIL.CurImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`DcxImagePlugin` Module ----------------------------- +:mod:`~PIL.DcxImagePlugin` Module +--------------------------------- .. automodule:: PIL.DcxImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`EpsImagePlugin` Module ----------------------------- +:mod:`~PIL.EpsImagePlugin` Module +--------------------------------- .. automodule:: PIL.EpsImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`FitsStubImagePlugin` Module ---------------------------------- +:mod:`~PIL.FitsStubImagePlugin` Module +-------------------------------------- .. automodule:: PIL.FitsStubImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`FliImagePlugin` Module ----------------------------- +:mod:`~PIL.FliImagePlugin` Module +--------------------------------- .. automodule:: PIL.FliImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`FpxImagePlugin` Module ----------------------------- +:mod:`~PIL.FpxImagePlugin` Module +--------------------------------- .. automodule:: PIL.FpxImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`GbrImagePlugin` Module ----------------------------- +:mod:`~PIL.GbrImagePlugin` Module +--------------------------------- .. automodule:: PIL.GbrImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`GifImagePlugin` Module ----------------------------- +:mod:`~PIL.GifImagePlugin` Module +--------------------------------- .. automodule:: PIL.GifImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`GribStubImagePlugin` Module ---------------------------------- +:mod:`~PIL.GribStubImagePlugin` Module +-------------------------------------- .. automodule:: PIL.GribStubImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`Hdf5StubImagePlugin` Module ---------------------------------- +:mod:`~PIL.Hdf5StubImagePlugin` Module +-------------------------------------- .. automodule:: PIL.Hdf5StubImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`IcnsImagePlugin` Module ------------------------------ +:mod:`~PIL.IcnsImagePlugin` Module +---------------------------------- .. automodule:: PIL.IcnsImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`IcoImagePlugin` Module ----------------------------- +:mod:`~PIL.IcoImagePlugin` Module +--------------------------------- .. automodule:: PIL.IcoImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`ImImagePlugin` Module ---------------------------- +:mod:`~PIL.ImImagePlugin` Module +-------------------------------- .. automodule:: PIL.ImImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`ImtImagePlugin` Module ----------------------------- +:mod:`~PIL.ImtImagePlugin` Module +--------------------------------- .. automodule:: PIL.ImtImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`IptcImagePlugin` Module ------------------------------ +:mod:`~PIL.IptcImagePlugin` Module +---------------------------------- .. automodule:: PIL.IptcImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`JpegImagePlugin` Module ------------------------------ +:mod:`~PIL.JpegImagePlugin` Module +---------------------------------- .. automodule:: PIL.JpegImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`Jpeg2KImagePlugin` Module -------------------------------- +:mod:`~PIL.Jpeg2KImagePlugin` Module +------------------------------------ .. automodule:: PIL.Jpeg2KImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`McIdasImagePlugin` Module -------------------------------- +:mod:`~PIL.McIdasImagePlugin` Module +------------------------------------ .. automodule:: PIL.McIdasImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`MicImagePlugin` Module ----------------------------- +:mod:`~PIL.MicImagePlugin` Module +--------------------------------- .. automodule:: PIL.MicImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`MpegImagePlugin` Module ------------------------------ +:mod:`~PIL.MpegImagePlugin` Module +---------------------------------- .. automodule:: PIL.MpegImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`MspImagePlugin` Module ----------------------------- +:mod:`~PIL.MspImagePlugin` Module +--------------------------------- .. automodule:: PIL.MspImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PalmImagePlugin` Module ------------------------------ +:mod:`~PIL.PalmImagePlugin` Module +---------------------------------- .. automodule:: PIL.PalmImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PcdImagePlugin` Module ----------------------------- +:mod:`~PIL.PcdImagePlugin` Module +--------------------------------- .. automodule:: PIL.PcdImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PcxImagePlugin` Module ----------------------------- +:mod:`~PIL.PcxImagePlugin` Module +--------------------------------- .. automodule:: PIL.PcxImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PdfImagePlugin` Module ----------------------------- +:mod:`~PIL.PdfImagePlugin` Module +--------------------------------- .. automodule:: PIL.PdfImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PixarImagePlugin` Module ------------------------------- +:mod:`~PIL.PixarImagePlugin` Module +----------------------------------- .. automodule:: PIL.PixarImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PngImagePlugin` Module ----------------------------- +:mod:`~PIL.PngImagePlugin` Module +--------------------------------- .. automodule:: PIL.PngImagePlugin - :members: ChunkStream, PngImageFile, PngStream, getchunks, is_cid, putchunk - :show-inheritance: -.. autoclass:: PIL.PngImagePlugin.ChunkStream - :members: - :undoc-members: - :show-inheritance: -.. autoclass:: PIL.PngImagePlugin.PngImageFile - :members: - :undoc-members: - :show-inheritance: -.. autoclass:: PIL.PngImagePlugin.PngStream - :members: + :members: ChunkStream, PngImageFile, PngStream, getchunks, is_cid, putchunk, + MAX_TEXT_CHUNK, MAX_TEXT_MEMORY, APNG_BLEND_OP_SOURCE, APNG_BLEND_OP_OVER, + APNG_DISPOSE_OP_NONE, APNG_DISPOSE_OP_BACKGROUND, APNG_DISPOSE_OP_PREVIOUS :undoc-members: :show-inheritance: + :member-order: groupwise -:mod:`PpmImagePlugin` Module ----------------------------- +:mod:`~PIL.PpmImagePlugin` Module +--------------------------------- .. automodule:: PIL.PpmImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PsdImagePlugin` Module ----------------------------- +:mod:`~PIL.PsdImagePlugin` Module +--------------------------------- .. automodule:: PIL.PsdImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`SgiImagePlugin` Module ----------------------------- +:mod:`~PIL.SgiImagePlugin` Module +--------------------------------- .. automodule:: PIL.SgiImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`SpiderImagePlugin` Module -------------------------------- +:mod:`~PIL.SpiderImagePlugin` Module +------------------------------------ .. automodule:: PIL.SpiderImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`SunImagePlugin` Module ----------------------------- +:mod:`~PIL.SunImagePlugin` Module +--------------------------------- .. automodule:: PIL.SunImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`TgaImagePlugin` Module ----------------------------- +:mod:`~PIL.TgaImagePlugin` Module +--------------------------------- .. automodule:: PIL.TgaImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`TiffImagePlugin` Module ------------------------------ +:mod:`~PIL.TiffImagePlugin` Module +---------------------------------- .. automodule:: PIL.TiffImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`WebPImagePlugin` Module ------------------------------ +:mod:`~PIL.WebPImagePlugin` Module +---------------------------------- .. automodule:: PIL.WebPImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`WmfImagePlugin` Module ----------------------------- +:mod:`~PIL.WmfImagePlugin` Module +--------------------------------- .. automodule:: PIL.WmfImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`XVThumbImagePlugin` Module --------------------------------- +:mod:`~PIL.XVThumbImagePlugin` Module +------------------------------------- .. automodule:: PIL.XVThumbImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`XbmImagePlugin` Module ----------------------------- +:mod:`~PIL.XbmImagePlugin` Module +--------------------------------- .. automodule:: PIL.XbmImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`XpmImagePlugin` Module ----------------------------- +:mod:`~PIL.XpmImagePlugin` Module +--------------------------------- .. automodule:: PIL.XpmImagePlugin :members: diff --git a/docs/releasenotes/2.7.0.rst b/docs/releasenotes/2.7.0.rst index a51ca81b4c4..660d331640c 100644 --- a/docs/releasenotes/2.7.0.rst +++ b/docs/releasenotes/2.7.0.rst @@ -14,7 +14,7 @@ Png text chunk size limits To prevent potential denial of service attacks using compressed text chunks, there are now limits to the decompressed size of text chunks decoded from PNG images. If the limits are exceeded when opening a PNG -image a ``ValueError`` will be raised. +image a :py:exc:`ValueError` will be raised. Individual text chunks are limited to :py:attr:`PIL.PngImagePlugin.MAX_TEXT_CHUNK`, set to 1MB by @@ -27,55 +27,55 @@ Image resizing filters ---------------------- Image resizing methods :py:meth:`~PIL.Image.Image.resize` and -:py:meth:`~PIL.Image.Image.thumbnail` take a `resample` argument, which tells +:py:meth:`~PIL.Image.Image.thumbnail` take a ``resample`` argument, which tells which filter should be used for resampling. Possible values are: -:py:attr:`PIL.Image.NEAREST`, :py:attr:`PIL.Image.BILINEAR`, -:py:attr:`PIL.Image.BICUBIC` and :py:attr:`PIL.Image.ANTIALIAS`. +:py:data:`PIL.Image.NEAREST`, :py:data:`PIL.Image.BILINEAR`, +:py:data:`PIL.Image.BICUBIC` and :py:data:`PIL.Image.ANTIALIAS`. Almost all of them were changed in this version. Bicubic and bilinear downscaling ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -From the beginning :py:attr:`~PIL.Image.BILINEAR` and -:py:attr:`~PIL.Image.BICUBIC` filters were based on affine transformations +From the beginning :py:data:`~PIL.Image.BILINEAR` and +:py:data:`~PIL.Image.BICUBIC` filters were based on affine transformations and used a fixed number of pixels from the source image for every destination -pixel (2x2 pixels for :py:attr:`~PIL.Image.BILINEAR` and 4x4 for -:py:attr:`~PIL.Image.BICUBIC`). This gave an unsatisfactory result for +pixel (2x2 pixels for :py:data:`~PIL.Image.BILINEAR` and 4x4 for +:py:data:`~PIL.Image.BICUBIC`). This gave an unsatisfactory result for downscaling. At the same time, a high quality convolutions-based algorithm with -flexible kernel was used for :py:attr:`~PIL.Image.ANTIALIAS` filter. +flexible kernel was used for :py:data:`~PIL.Image.ANTIALIAS` filter. Starting from Pillow 2.7.0, a high quality convolutions-based algorithm is used for all of these three filters. If you have previously used any tricks to maintain quality when downscaling with -:py:attr:`~PIL.Image.BILINEAR` and :py:attr:`~PIL.Image.BICUBIC` filters +:py:data:`~PIL.Image.BILINEAR` and :py:data:`~PIL.Image.BICUBIC` filters (for example, reducing within several steps), they are unnecessary now. Antialias renamed to Lanczos ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -A new :py:attr:`PIL.Image.LANCZOS` constant was added instead of -:py:attr:`~PIL.Image.ANTIALIAS`. +A new :py:data:`PIL.Image.LANCZOS` constant was added instead of +:py:data:`~PIL.Image.ANTIALIAS`. -When :py:attr:`~PIL.Image.ANTIALIAS` was initially added, it was the only +When :py:data:`~PIL.Image.ANTIALIAS` was initially added, it was the only high-quality filter based on convolutions. It's name was supposed to reflect this. Starting from Pillow 2.7.0 all resize method are based on convolutions. All of them are antialias from now on. And the real name of the -:py:attr:`~PIL.Image.ANTIALIAS` filter is Lanczos filter. +:py:data:`~PIL.Image.ANTIALIAS` filter is Lanczos filter. -The :py:attr:`~PIL.Image.ANTIALIAS` constant is left for backward compatibility -and is an alias for :py:attr:`~PIL.Image.LANCZOS`. +The :py:data:`~PIL.Image.ANTIALIAS` constant is left for backward compatibility +and is an alias for :py:data:`~PIL.Image.LANCZOS`. Lanczos upscaling quality ^^^^^^^^^^^^^^^^^^^^^^^^^ -The image upscaling quality with :py:attr:`~PIL.Image.LANCZOS` filter was -almost the same as :py:attr:`~PIL.Image.BILINEAR` due to bug. This has been fixed. +The image upscaling quality with :py:data:`~PIL.Image.LANCZOS` filter was +almost the same as :py:data:`~PIL.Image.BILINEAR` due to bug. This has been fixed. Bicubic upscaling quality ^^^^^^^^^^^^^^^^^^^^^^^^^ -The :py:attr:`~PIL.Image.BICUBIC` filter for affine transformations produced +The :py:data:`~PIL.Image.BICUBIC` filter for affine transformations produced sharp, slightly pixelated image for upscaling. Bicubic for convolutions is more soft. @@ -84,42 +84,42 @@ Resize performance In most cases, convolution is more a expensive algorithm for downscaling because it takes into account all the pixels of source image. Therefore -:py:attr:`~PIL.Image.BILINEAR` and :py:attr:`~PIL.Image.BICUBIC` filters' +:py:data:`~PIL.Image.BILINEAR` and :py:data:`~PIL.Image.BICUBIC` filters' performance can be lower than before. On the other hand the quality of -:py:attr:`~PIL.Image.BILINEAR` and :py:attr:`~PIL.Image.BICUBIC` was close to -:py:attr:`~PIL.Image.NEAREST`. So if such quality is suitable for your tasks -you can switch to :py:attr:`~PIL.Image.NEAREST` filter for downscaling, +:py:data:`~PIL.Image.BILINEAR` and :py:data:`~PIL.Image.BICUBIC` was close to +:py:data:`~PIL.Image.NEAREST`. So if such quality is suitable for your tasks +you can switch to :py:data:`~PIL.Image.NEAREST` filter for downscaling, which will give a huge improvement in performance. At the same time performance of convolution resampling for downscaling has been improved by around a factor of two compared to the previous version. -The upscaling performance of the :py:attr:`~PIL.Image.LANCZOS` filter has -remained the same. For :py:attr:`~PIL.Image.BILINEAR` filter it has improved by -1.5 times and for :py:attr:`~PIL.Image.BICUBIC` by four times. +The upscaling performance of the :py:data:`~PIL.Image.LANCZOS` filter has +remained the same. For :py:data:`~PIL.Image.BILINEAR` filter it has improved by +1.5 times and for :py:data:`~PIL.Image.BICUBIC` by four times. Default filter for thumbnails ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ In Pillow 2.5 the default filter for :py:meth:`~PIL.Image.Image.thumbnail` was -changed from :py:attr:`~PIL.Image.NEAREST` to :py:attr:`~PIL.Image.ANTIALIAS`. +changed from :py:data:`~PIL.Image.NEAREST` to :py:data:`~PIL.Image.ANTIALIAS`. Antialias was chosen because all the other filters gave poor quality for -reduction. Starting from Pillow 2.7.0, :py:attr:`~PIL.Image.ANTIALIAS` has been -replaced with :py:attr:`~PIL.Image.BICUBIC`, because it's faster and -:py:attr:`~PIL.Image.ANTIALIAS` doesn't give any advantages after +reduction. Starting from Pillow 2.7.0, :py:data:`~PIL.Image.ANTIALIAS` has been +replaced with :py:data:`~PIL.Image.BICUBIC`, because it's faster and +:py:data:`~PIL.Image.ANTIALIAS` doesn't give any advantages after downscaling with libjpeg, which uses supersampling internally, not convolutions. Image transposition ------------------- -A new method :py:attr:`PIL.Image.TRANSPOSE` has been added for the +A new method :py:data:`PIL.Image.TRANSPOSE` has been added for the :py:meth:`~PIL.Image.Image.transpose` operation in addition to -:py:attr:`~PIL.Image.FLIP_LEFT_RIGHT`, :py:attr:`~PIL.Image.FLIP_TOP_BOTTOM`, -:py:attr:`~PIL.Image.ROTATE_90`, :py:attr:`~PIL.Image.ROTATE_180`, -:py:attr:`~PIL.Image.ROTATE_270`. :py:attr:`~PIL.Image.TRANSPOSE` is an algebra +:py:data:`~PIL.Image.FLIP_LEFT_RIGHT`, :py:data:`~PIL.Image.FLIP_TOP_BOTTOM`, +:py:data:`~PIL.Image.ROTATE_90`, :py:data:`~PIL.Image.ROTATE_180`, +:py:data:`~PIL.Image.ROTATE_270`. :py:data:`~PIL.Image.TRANSPOSE` is an algebra transpose, with an image reflected across its main diagonal. -The speed of :py:attr:`~PIL.Image.ROTATE_90`, :py:attr:`~PIL.Image.ROTATE_270` -and :py:attr:`~PIL.Image.TRANSPOSE` has been significantly improved for large +The speed of :py:data:`~PIL.Image.ROTATE_90`, :py:data:`~PIL.Image.ROTATE_270` +and :py:data:`~PIL.Image.TRANSPOSE` has been significantly improved for large images which don't fit in the processor cache. Gaussian blur and unsharp mask @@ -148,7 +148,7 @@ Blur performance Box filter computation time is constant relative to the radius and depends on source image size only. Because the new Gaussian blur implementation -is based on box filter, its computation time also doesn't depends on the blur +is based on box filter, its computation time also doesn't depend on the blur radius. For example, previously, if the execution time for a given test image was 1 @@ -172,4 +172,3 @@ specified as strings with included spaces (e.g. 'x resolution'). This was difficult to use as kwargs without constructing and passing a dictionary. These parameters now use the underscore character instead of space. (e.g. 'x_resolution') - diff --git a/docs/releasenotes/2.8.0.rst b/docs/releasenotes/2.8.0.rst index 85235d72aa9..c522fe8b0a3 100644 --- a/docs/releasenotes/2.8.0.rst +++ b/docs/releasenotes/2.8.0.rst @@ -4,18 +4,28 @@ Open HTTP response objects with Image.open ------------------------------------------ -HTTP response objects returned from `urllib2.urlopen(url)` or `requests.get(url, stream=True).raw` are 'file-like' but do not support `.seek()` operations. As a result PIL was unable to open them as images, requiring a wrap in `cStringIO` or `BytesIO`. +HTTP response objects returned from ``urllib2.urlopen(url)`` or +``requests.get(url, stream=True).raw`` are 'file-like' but do not support ``.seek()`` +operations. As a result PIL was unable to open them as images, requiring a wrap in +``cStringIO`` or ``BytesIO``. -Now new functionality has been added to `Image.open()` by way of an `.seek(0)` check and catch on exception `AttributeError` or `io.UnsupportedOperation`. If this is caught we attempt to wrap the object using `io.BytesIO` (which will only work on buffer-file-like objects). +Now new functionality has been added to ``Image.open()`` by way of an ``.seek(0)`` check and +catch on exception ``AttributeError`` or ``io.UnsupportedOperation``. If this is caught we +attempt to wrap the object using ``io.BytesIO`` (which will only work on buffer-file-like +objects). -This allows opening of files using both `urllib2` and `requests`, e.g.:: +This allows opening of files using both ``urllib2`` and ``requests``, e.g.:: Image.open(urllib2.urlopen(url)) Image.open(requests.get(url, stream=True).raw) -If the response uses content-encoding (compression, either gzip or deflate) then this will fail as both the urllib2 and requests raw file object will produce compressed data in that case. Using Content-Encoding on images is rather non-sensical as most images are already compressed, but it can still happen. +If the response uses content-encoding (compression, either gzip or deflate) then this +will fail as both the urllib2 and requests raw file object will produce compressed data +in that case. Using Content-Encoding on images is rather non-sensical as most images are +already compressed, but it can still happen. -For requests the work-around is to set the decode_content attribute on the raw object to True:: +For requests the work-around is to set the decode_content attribute on the raw object to +True:: response = requests.get(url, stream=True) response.raw.decode_content = True diff --git a/docs/releasenotes/3.0.0.rst b/docs/releasenotes/3.0.0.rst index 9cc1de98c49..67569d3378b 100644 --- a/docs/releasenotes/3.0.0.rst +++ b/docs/releasenotes/3.0.0.rst @@ -5,8 +5,8 @@ Saving Multipage Images ----------------------- -There is now support for saving multipage images in the `GIF` and -`PDF` formats. To enable this functionality, pass in `save_all=True` +There is now support for saving multipage images in the ``GIF`` and +``PDF`` formats. To enable this functionality, pass in ``save_all=True`` as a keyword argument to the save:: im.save('test.pdf', save_all=True) @@ -37,7 +37,7 @@ have been removed in this release:: ImageDraw.setink() ImageDraw.setfill() The ImageFileIO module - The ImageFont.FreeTypeFont and ImageFont.truetype `file` keyword arg + The ImageFont.FreeTypeFont and ImageFont.truetype ``file`` keyword arg The ImagePalette private _make functions ImageWin.fromstring() ImageWin.tostring() diff --git a/docs/releasenotes/3.1.0.rst b/docs/releasenotes/3.1.0.rst index 7f0a7f0520b..3cdb6939d49 100644 --- a/docs/releasenotes/3.1.0.rst +++ b/docs/releasenotes/3.1.0.rst @@ -5,8 +5,8 @@ ImageDraw arc, chord and pieslice can now use floats ---------------------------------------------------- -There is no longer a need to ensure that the start and end arguments for `arc`, -`chord` and `pieslice` are integers. +There is no longer a need to ensure that the start and end arguments for ``arc``, +``chord`` and ``pieslice`` are integers. Note that these numbers are not simply rounded internally, but are actually utilised in the drawing process. @@ -68,7 +68,7 @@ Out of Spec Metadata ++++++++++++++++++++ In Pillow 3.0 and 3.1, images that contain metadata that is internally -consistent but not in agreement with the TIFF spec may cause an +consistent, but not in agreement with the TIFF spec, may cause an exception when reading the metadata. This can happen when a tag that is specified to have a single value is stored with an array of values. diff --git a/docs/releasenotes/3.1.1.rst b/docs/releasenotes/3.1.1.rst index 8c32a43e74e..38118ea39c4 100644 --- a/docs/releasenotes/3.1.1.rst +++ b/docs/releasenotes/3.1.1.rst @@ -6,7 +6,7 @@ CVE-2016-0740 -- Buffer overflow in TiffDecode.c ------------------------------------------------ Pillow 3.1.0 and earlier when linked against libtiff >= 4.0.0 on x64 -may overflow a buffer when reading a specially crafted tiff file. +may overflow a buffer when reading a specially crafted tiff file (:cve:`CVE-2016-0740`). Specifically, libtiff >= 4.0.0 changed the return type of ``TIFFScanlineSize`` from ``int32`` to machine dependent @@ -24,9 +24,11 @@ CVE-2016-0775 -- Buffer overflow in FliDecode.c ----------------------------------------------- In all versions of Pillow, dating back at least to the last PIL 1.1.7 -release, FliDecode.c has a buffer overflow error. +release, FliDecode.c has a buffer overflow error (:cve:`CVE-2016-0775`). -Around line 192:: +Around line 192: + +.. code-block:: c case 16: /* COPY chunk */ @@ -45,13 +47,13 @@ is a set of row pointers to segments of memory that are the size of the row. At the max ``y``, this will write the contents of the line off the end of the memory buffer, causing a segfault. -This issue was found by Alyssa Besseling at Atlassian +This issue was found by Alyssa Besseling at Atlassian. CVE-2016-2533 -- Buffer overflow in PcdDecode.c ----------------------------------------------- In all versions of Pillow, dating back at least to the last PIL 1.1.7 -release, ``PcdDecode.c`` has a buffer overflow error. +release, ``PcdDecode.c`` has a buffer overflow error (:cve:`CVE-2016-2533`). The ``state.buffer`` for ``PcdDecode.c`` is allocated based on a 3 bytes per pixel sizing, where ``PcdDecode.c`` wrote into the buffer @@ -63,14 +65,16 @@ Integer overflow in Resample.c ------------------------------ If a large value was passed into the new size for an image, it is -possible to overflow an int32 value passed into malloc. +possible to overflow an ``int32`` value passed into malloc. + +.. code-block:: c - kk = malloc(xsize * kmax * sizeof(float)); - ... - xbounds = malloc(xsize * 2 * sizeof(int)); + kk = malloc(xsize * kmax * sizeof(float)); + ... + xbounds = malloc(xsize * 2 * sizeof(int)); ``xsize`` is trusted user input. These multiplications can overflow, -leading the malloc'd buffer to be undersized. These allocations are +leading the ``malloc``'d buffer to be undersized. These allocations are followed by a loop that writes out of bounds. This can lead to corruption on the heap of the Python process with attacker controlled float data. diff --git a/docs/releasenotes/3.1.2.rst b/docs/releasenotes/3.1.2.rst index ddb6a2adacf..b5f7cfe9963 100644 --- a/docs/releasenotes/3.1.2.rst +++ b/docs/releasenotes/3.1.2.rst @@ -7,9 +7,11 @@ CVE-2016-3076 -- Buffer overflow in Jpeg2KEncode.c Pillow between 2.5.0 and 3.1.1 may overflow a buffer when writing large Jpeg2000 files, allowing for code execution or other memory -corruption. +corruption (:cve:`CVE-2016-3076`). -This occurs specifically in the function ``j2k_encode_entry``, at the line:: +This occurs specifically in the function ``j2k_encode_entry``, at the line: + +.. code-block:: c state->buffer = malloc (tile_width * tile_height * components * prec / 8); diff --git a/docs/releasenotes/3.3.0.rst b/docs/releasenotes/3.3.0.rst index 544c7162e4f..39ffdbb2ef0 100644 --- a/docs/releasenotes/3.3.0.rst +++ b/docs/releasenotes/3.3.0.rst @@ -29,9 +29,9 @@ Resizing ======== Image resampling for 8-bit per channel images was rewritten using only integer -computings. This is faster on most of the platforms and doesn't introduce -precision errors on the wide range of scales. With other performance -improvements, this makes resampling 60% faster on average. +computings. This is faster on most platforms and doesn't introduce precision +errors on the wide range of scales. With other performance improvements, this +makes resampling 60% faster on average. Color calculation for images in the ``LA`` mode on semitransparent pixels was fixed. @@ -41,7 +41,7 @@ Rotation ======== Rotation for angles divisible by 90 degrees now always uses transposition. -This greatly improve both quality and performance in this cases. +This greatly improves both quality and performance in this case. Also, the bug with wrong image size calculation when rotating by 90 degrees was fixed. @@ -52,4 +52,3 @@ Image Metadata The return type for binary data in version 2 Exif and Tiff metadata has been changed from a tuple of integers to bytes. This is a change from the behavior since ``3.0.0``. - diff --git a/docs/releasenotes/3.3.2.rst b/docs/releasenotes/3.3.2.rst index 1414130936d..68a09a3c892 100644 --- a/docs/releasenotes/3.3.2.rst +++ b/docs/releasenotes/3.3.2.rst @@ -11,7 +11,7 @@ disclosure or corruption. Specifically, when parameters from the image are passed into ``Image.core.map_buffer``, the size of the image was calculated with -``xsize``*``ysize``*``bytes_per_pixel``. This will overflow if the +``xsize`` * ``ysize`` * ``bytes_per_pixel``. This will overflow if the result is larger than SIZE_MAX. This is possible on a 32-bit system. Furthermore this ``size`` value was added to a potentially attacker diff --git a/docs/releasenotes/3.4.0.rst b/docs/releasenotes/3.4.0.rst index a6512fc1287..dc5e2e29598 100644 --- a/docs/releasenotes/3.4.0.rst +++ b/docs/releasenotes/3.4.0.rst @@ -8,7 +8,7 @@ New resizing filters Two new filters available for ``Image.resize()`` and ``Image.thumbnail()`` functions: ``BOX`` and ``HAMMING``. ``BOX`` is the high-performance filter with two times shorter window than ``BILINEAR``. It can be used for image reduction -3 and more times and produces a more sharp result than ``BILINEAR``. +3 and more times and produces a sharper result than ``BILINEAR``. ``HAMMING`` filter has the same performance as ``BILINEAR`` filter while providing the image downscaling quality comparable to ``BICUBIC``. @@ -20,12 +20,12 @@ Deprecation Warning when Saving JPEGs JPEG images cannot contain an alpha channel. Pillow prior to 3.4.0 silently drops the alpha channel. With this release Pillow will now issue a ``DeprecationWarning`` when attempting to save a ``RGBA`` mode -image as a JPEG. This will become an error in Pillow 3.7. +image as a JPEG. This will become an error in Pillow 4.2. New DDS Decoders ================ -Pillow can now decode DXT3 images, as well as the previously support +Pillow can now decode DXT3 images, as well as the previously supported DXT1 and DXT5 formats. All three formats are now decoded in C code for better performance. @@ -44,7 +44,7 @@ in effect, e.g.:: Save multiple frame TIFF ======================== -Multiple frames can now be saved in a TIFF file by using the ``save_all`` option. +Multiple frames can now be saved in a TIFF file by using the ``save_all`` option. e.g.:: im.save("filename.tiff", format="TIFF", save_all=True) diff --git a/docs/releasenotes/4.0.0.rst b/docs/releasenotes/4.0.0.rst new file mode 100644 index 00000000000..cbf131c9311 --- /dev/null +++ b/docs/releasenotes/4.0.0.rst @@ -0,0 +1,51 @@ +4.0.0 +----- + +Python 2.6 and 3.2 Dropped +========================== + +Pillow 4.0 no longer supports Python 2.6 and 3.2. We will not be +creating binaries, testing, or retaining compatibility with these +releases. This release removes some workarounds for those Python +releases, so the final working version of Pillow on 2.6 or 3.2 is 3.4.2. + +Support added for Python 3.6 +============================ + +Pillow 4.0 supports Python 3.6. + +OleFileIO.py +============ + +OleFileIO.py has been removed as a vendored file and is now installed +from the upstream olefile pypi package. All internal dependencies are +redirected to the olefile package. Direct accesses to +``PIL.OlefileIO`` raises a deprecation warning, then patches the +upstream olefile into ``sys.modules`` in its place. + +SGI image save +============== + +It is now possible to save images in modes ``L``, ``RGB``, and +``RGBA`` to the uncompressed SGI image format. + +Zero sized images +================= + +Pillow 3.4.0 removed support for creating images with (0,0) size. This +has been reenabled, restoring pre 3.4 behavior. + +Internal handles_eof flag +========================= + +The ``handles_eof flag`` for decoding images has been removed, as there +were no internal users of the flag. Anyone maintaining image decoders +outside of the Pillow source tree should consider using the cleanup +function pointers instead. + +Image.core.stretch removed +========================== + +The stretch function on the core image object has been removed. This +used to be for enlarging the image, but has been aliased to resize +recently. diff --git a/docs/releasenotes/4.1.0.rst b/docs/releasenotes/4.1.0.rst new file mode 100644 index 00000000000..4d6598d8efa --- /dev/null +++ b/docs/releasenotes/4.1.0.rst @@ -0,0 +1,86 @@ +4.1.0 +----- + +Removed Deprecated Items +======================== + +Several deprecated items have been removed. + +* Support for spaces in tiff kwargs in the parameters for 'x resolution', 'y + resolution', 'resolution unit', and 'date time' has been + removed. Underscores should be used instead. + +* The methods ``PIL.ImageDraw.ImageDraw.setink``, + ``PIL.ImageDraw.ImageDraw.setfill``, and + ``PIL.ImageDraw.ImageDraw.setfont`` have been removed. + + +Closing Files When Opening Images +================================= + +The file handling when opening images has been overhauled. Previously, +Pillow would attempt to close some, but not all image formats +after loading the image data. Now, the following behavior +is specified: + +* For images where an open file is passed in, it is the + responsibility of the calling code to close the file. + +* For images where Pillow opens the file and the file is known to have + only one frame, the file is closed after loading. + +* If the file has more than one frame, or if it can't be determined, + then the file is left open to permit seeking to subsequent + frames. It will be closed, eventually, in the ``close`` or + ``__del__`` methods. + +* If the image is memory mapped, then we can't close the mapping to + the underlying file until we are done with the image. The mapping + will be closed in the ``close`` or ``__del__`` method. + + +Changes to GIF Handling When Saving +=================================== + +The :py:class:`PIL.GifImagePlugin` code has been refactored to fix the flow when +saving images. There are two external changes that arise from this: + +* An :py:class:`PIL.ImagePalette.ImagePalette` object is now accepted + as a specified palette argument in :py:meth:`PIL.Image.Image.save()`. + +* The image to be saved is no longer modified in place by any of the + operations of the save function. Previously it was modified when + optimizing the image palette. + +This refactor fixed some bugs with palette handling when saving +multiple frame GIFs. + +New Method: Image.remap_palette +=============================== + +The method :py:meth:`PIL.Image.Image.remap_palette()` has been +added. This method was hoisted from the GifImagePlugin code used to +optimize the palette. + +Added Decoder Registry and Support for Python Based Decoders +============================================================ + +There is now a decoder registry similar to the image plugin +registries. Image plugins can register a decoder, and it will be +called when the decoding is requested. This allows for the creation of +pure Python decoders. While the Python decoders will not be as fast as +their C based counterparts, they may be easier and quicker to develop +or safer to run. + +Tests +===== + +Many tests have been added, including correctness tests for image +formats that have been previously untested. + +We are now running automated tests in Docker containers against more +Linux versions than are provided on Travis CI, which is currently +Ubuntu 14.04 x64. This Pillow release is tested on 64-bit Alpine, +Arch, Ubuntu 12.04 and 16.04, and 32-bit Debian Stretch and Ubuntu +14.04. This also covers a wider range of dependency versions than are +provided on Travis natively. diff --git a/docs/releasenotes/4.1.1.rst b/docs/releasenotes/4.1.1.rst new file mode 100644 index 00000000000..7aa3c1fbf6b --- /dev/null +++ b/docs/releasenotes/4.1.1.rst @@ -0,0 +1,24 @@ +4.1.1 +----- + +Fix Regression with reading DPI from EXIF data +============================================== + +Some JPEG images don't contain DPI information in the image metadata, +but do contain it in the EXIF data. A patch was added in 4.1.0 to read +from the EXIF data, but it did not accept all possible types that +could be included there. This fix adds the ability to read ints as +well as rational values. + + +Incompatibility between 3.6.0 and 3.6.1 +======================================= + +CPython 3.6.1 added a new symbol, PySlice_GetIndicesEx, which was not +present in 3.6.0. This had the effect of causing binaries compiled on +CPython 3.6.1 to not work on installations of C-Python 3.6.0. This fix +undefines PySlice_GetIndicesEx if it exists to restore compatibility +with both 3.6.0 and 3.6.1. See https://bugs.python.org/issue29943 for +more details. + + diff --git a/docs/releasenotes/4.2.0.rst b/docs/releasenotes/4.2.0.rst new file mode 100644 index 00000000000..1e9637f1e32 --- /dev/null +++ b/docs/releasenotes/4.2.0.rst @@ -0,0 +1,51 @@ +4.2.0 +----- + +Added Complex Text Rendering +============================ + +Pillow now supports complex text rendering for scripts requiring glyph +composition and bidirectional flow. This optional feature adds three +dependencies: harfbuzz, fribidi, and raqm. See the :doc:`install documentation +<../installation>` for further details. This feature is tested and works on +Unix and Mac, but has not yet been built on Windows platforms. + +New Optional Parameters +======================= + +* :py:meth:`PIL.ImageDraw.floodfill` has a new optional parameter: + threshold. This specifies a tolerance for the color to replace with + the flood fill. + +* The TIFF and PDF image writers now support the ``append_images`` + optional parameter for specifying additional images to create + multipage outputs. + +New DecompressionBomb Warning +============================= + +:py:meth:`PIL.Image.Image.crop` now may raise a DecompressionBomb +warning if the crop region enlarges the image over the threshold +specified by :py:data:`PIL.Image.MAX_IMAGE_PIXELS`. + +Removed Deprecated Items +======================== + +Several deprecated items have been removed. + +* The methods ``PIL.ImageWin.Dib.fromstring``, + ``PIL.ImageWin.Dib.tostring`` and + ``PIL.TiffImagePlugin.ImageFileDirectory_v2.as_dict`` have + been removed. + +* Before Pillow 4.2.0, attempting to save an RGBA image as JPEG would + discard the alpha channel. From Pillow 3.4.0, a deprecation warning + was shown. From Pillow 4.2.0, the deprecation warning is removed and + an :py:exc:`IOError` is raised. + +Removed Core Image Function +=========================== + +The unused function ``Image.core.new_array`` was removed. This is an +internal function that should not have been used by user code, but it +was accessible from the python layer. diff --git a/docs/releasenotes/4.2.1.rst b/docs/releasenotes/4.2.1.rst new file mode 100644 index 00000000000..c9e953da432 --- /dev/null +++ b/docs/releasenotes/4.2.1.rst @@ -0,0 +1,11 @@ +4.2.1 +----- + +There are no functional changes in this release. + +Fixed Windows PyPy Build +======================== + +A change in the 4.2.0 cycle broke the Windows PyPy build. This has +been fixed, and PyPy is now part of the Windows CI matrix. + diff --git a/docs/releasenotes/4.3.0.rst b/docs/releasenotes/4.3.0.rst new file mode 100644 index 00000000000..ea81fc45ea0 --- /dev/null +++ b/docs/releasenotes/4.3.0.rst @@ -0,0 +1,138 @@ +4.3.0 +----- + +API Changes +=========== + +Deprecations +^^^^^^^^^^^^ + +Several undocumented functions in ImageOps have been deprecated: +``gaussian_blur``, ``gblur``, ``unsharp_mask``, ``usm`` and +``box_blur``. Use the equivalent operations in ``ImageFilter`` +instead. These functions will be removed in a future release. + +TIFF Metadata Changes +^^^^^^^^^^^^^^^^^^^^^ + +* TIFF tags with unknown type/quantity now default to being bare + values if they are 1 element, where previously they would be a + single element tuple. This is only with the new api, not the legacy + api. This normalizes the handling of fields, so that the metadata + with inferred or image specified counts are handled the same as + metadata with count specified in the TIFF spec. +* The ``PhotoshopInfo``, ``XMP``, and ``JPEGTables`` tags now have a + defined type (bytes) and a count of 1. +* The ``ImageJMetaDataByteCounts`` tag now has an arbitrary number of + items, as there can be multiple items, one for UTF-8, and one for + UTF-16. + +Core Image API Changes +^^^^^^^^^^^^^^^^^^^^^^ + +These are internal functions that should not have been used by user +code, but they were accessible from the python layer. + +Debugging code within ``Image.core.grabclipboard`` was removed. It had been +marked as ``will be removed in future versions`` since PIL. When enabled, it +identified the format of the clipboard data. + +The ``PIL.Image.core.copy`` and ``PIL.Image.Image.im.copy2`` methods +have been removed. + +The ``PIL.Image.core.getcount`` methods have been removed, use +``PIL.Image.core.get_stats()['new_count']`` property instead. + + +API Additions +============= + +Get One Channel From Image +^^^^^^^^^^^^^^^^^^^^^^^^^^ + +A new method :py:meth:`PIL.Image.Image.getchannel` has been added to +return a single channel by index or name. For example, +``image.getchannel("A")`` will return alpha channel as separate image. +``getchannel`` should work up to 6 times faster than +``image.split()[0]`` in previous Pillow versions. + +Box Blur +^^^^^^^^ + +A new filter, :py:class:`PIL.ImageFilter.BoxBlur`, has been +added. This is a filter with similar results to a Gaussian blur, but +is much faster. + +Partial Resampling +^^^^^^^^^^^^^^^^^^ + +Added new argument ``box`` for :py:meth:`PIL.Image.Image.resize`. This +argument defines a source rectangle from within the source image to be +resized. This is very similar to the ``image.crop(box).resize(size)`` +sequence except that ``box`` can be specified with subpixel accuracy. + +New Transpose Operation +^^^^^^^^^^^^^^^^^^^^^^^ + +The ``Image.TRANSVERSE`` operation has been added to +:py:meth:`PIL.Image.Image.transpose`. This is equivalent to a transpose +operation about the opposite diagonal. + +Multiband Filters +^^^^^^^^^^^^^^^^^ + +There is a new :py:class:`PIL.ImageFilter.MultibandFilter` base class +for image filters that can run on all channels of an image in one +operation. The original :py:class:`PIL.ImageFilter.Filter` class +remains for image filters that can process only single band images, or +require splitting of channels prior to filtering. + +Other Changes +============= + +Loading 16-bit TIFF Images +^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow now can read 16-bit multichannel TIFF files including files +with alpha transparency. The image data is truncated to 8-bit +precision. + +Pillow now can read 16-bit signed integer single channel TIFF +files. The image data is promoted to 32-bit for storage and +processing. + +SGI Images +^^^^^^^^^^ + +Pillow can now read and write uncompressed 16-bit multichannel SGI +images to and from RGB and RGBA formats. The image data is truncated +to 8-bit precision. + +Pillow can now read RLE encoded SGI images in both 8 and 16-bit +precision. + +Performance +^^^^^^^^^^^ + +This release contains several performance improvements: + +* Many memory bandwidth-bounded operations such as crop, image allocation, + conversion, split into bands and merging from bands are up to 2x faster. +* Upscaling of multichannel images (such as RGB) is accelerated by 5-10% +* JPEG loading is accelerated up to 15% and JPEG saving up to 20% when + using a recent version of libjpeg-turbo. +* ``Image.transpose`` has been accelerated 15% or more by using a cache + friendly algorithm. +* ImageFilters based on Kernel convolution are significantly faster + due to the new :py:class:`~PIL.ImageFilter.MultibandFilter` feature. +* All memory allocation for images is now done in blocks, rather than + falling back to an allocation for each scan line for images larger + than the block size. + +CMYK Conversion +^^^^^^^^^^^^^^^ + +The basic CMYK->RGB conversion has been tweaked to match the formula +from Google Chrome. This produces an image that is generally lighter +than the previous formula, and more in line with what color managed +applications produce. diff --git a/docs/releasenotes/5.0.0.rst b/docs/releasenotes/5.0.0.rst new file mode 100644 index 00000000000..509edbe6df8 --- /dev/null +++ b/docs/releasenotes/5.0.0.rst @@ -0,0 +1,106 @@ +5.0.0 +----- + +Backwards Incompatible Changes +============================== + +Python 3.3 Dropped +^^^^^^^^^^^^^^^^^^ + +Python 3.3 is EOL and no longer supported due to moving testing from nose, +which is deprecated, to pytest, which doesn't support Python 3.3. We will not +be creating binaries, testing, or retaining compatibility with this version. +The final version of Pillow for Python 3.3 is 4.3.0. + +Decompression Bombs now raise Exceptions +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow has previously emitted warnings for images that are +unexpectedly large and may be a denial of service. These warnings are +now upgraded to ``DecompressionBombError``\s for images that are twice +the size of images that trigger the ``DecompressionBombWarning``. The +default threshold is 128Mpx, or 0.5GB for an ``RGB`` or ``RGBA`` +image. This can be disabled or changed by setting +``Image.MAX_IMAGE_PIXELS = None``. + +Scripts +^^^^^^^ + +The scripts formerly installed by Pillow have been split into a +separate package, pillow-scripts, living at +https://github.com/python-pillow/pillow-scripts . + + +API Changes +=========== + +OleFileIO.py +^^^^^^^^^^^^ + +The olefile module is no longer a required dependency when installing Pillow. +Support for plugins requiring olefile will not be loaded if it is not +installed. This allows library consumers to avoid installing this dependency +if they choose. Some library consumers have little interest in the format +support and would like to keep dependencies to a minimum. + +Further, the vendored version was removed in Pillow 4.0.0 and replaced with a +deprecation warning that PIL.OleFileIO would be removed in a future version. +This warning has been upgraded to an import error pending future removal. + +Check parameter on _save +^^^^^^^^^^^^^^^^^^^^^^^^ + +Several image plugins supported a named ``check`` parameter on their +nominally private ``_save`` method to preflight if the image could be +saved in that format. That parameter has been removed. + +API Additions +============= + +Image.transform +^^^^^^^^^^^^^^^ + +A new named parameter, ``fillcolor``, has been added to +``Image.transform``. This color specifies the background color to use in +the area outside the transformed area in the output image. This +parameter takes the same color specifications as used in ``Image.new``. + +GIF Disposal +^^^^^^^^^^^^ + +Multiframe GIF images now take an optional disposal parameter to +specify the disposal option for changed pixels. + +Other Changes +============= + +Compressed TIFF Images +^^^^^^^^^^^^^^^^^^^^^^ + +Previously, there were some compression modes (JPEG, Packbits, and +LZW) that were supported with Pillow's internal TIFF decoder. All +compressed TIFFs are now read using the ``libtiff`` decoder, as it +implements the compression schemes more correctly. + +Libraqm is now Dynamically Linked +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The libraqm dependency for complex text scripts is now linked +dynamically at runtime rather than at packaging time. This allows us +to release binaries with support for libraqm if it is installed on the +user's machine. + +Source Layout Changes +^^^^^^^^^^^^^^^^^^^^^ + +The Pillow source is now stored within the ``src`` directory of the +distribution. This prevents accidental imports of the PIL directory +when running Python from the project directory. + +Setup.py Changes +^^^^^^^^^^^^^^^^ + +Multiarch support on Linux should be more robust, especially on Debian +derivatives on ARM platforms. Debian's multiarch platform +configuration is run in preference to the sniffing of machine platform +and architecture. diff --git a/docs/releasenotes/5.1.0.rst b/docs/releasenotes/5.1.0.rst new file mode 100644 index 00000000000..2a4c64ac52e --- /dev/null +++ b/docs/releasenotes/5.1.0.rst @@ -0,0 +1,36 @@ +5.1.0 +----- + +New File Format +=============== + +BLP File Format +^^^^^^^^^^^^^^^ + +Pillow now supports reading the BLP "Blizzard Mipmap" file format used +for tiles in Blizzard's engine. + +API Changes +=========== + +Optional channels for TIFF files +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow can now open TIFF files with base modes of ``RGB``, ``YCbCr``, +and ``CMYK`` with up to 6 8-bit channels, discarding any extra +channels if the content is tagged as UNSPECIFIED. Pillow still does +not store more than 4 8-bit channels of image data. + +Append to PDF Files +^^^^^^^^^^^^^^^^^^^ + +Images can now be appended to PDF files in place by passing in +``append=True`` when saving the image. + +Other Changes +============= + +WebP memory leak +^^^^^^^^^^^^^^^^ + +A memory leak when opening ``WebP`` files has been fixed. diff --git a/docs/releasenotes/5.2.0.rst b/docs/releasenotes/5.2.0.rst new file mode 100644 index 00000000000..75e8da6554d --- /dev/null +++ b/docs/releasenotes/5.2.0.rst @@ -0,0 +1,113 @@ +5.2.0 +----- + +API Changes +=========== + +Deprecations +^^^^^^^^^^^^ + +These version constants have been deprecated. ``VERSION`` will be removed in +Pillow 6.0.0, and ``PILLOW_VERSION`` will be removed after that. + +* ``PIL.VERSION`` (old PIL version 1.1.7) +* ``PIL.PILLOW_VERSION`` +* ``PIL.Image.VERSION`` +* ``PIL.Image.PILLOW_VERSION`` + +Use ``PIL.__version__`` instead. + +API Additions +============= + +3D color lookup tables +^^^^^^^^^^^^^^^^^^^^^^ + +Support for 3D color lookup table transformations has been added. + +* https://en.wikipedia.org/wiki/3D_lookup_table + +``Color3DLUT.generate`` transforms 3-channel pixels using the values of the +channels as coordinates in the 3D lookup table and interpolating the nearest +elements. + +It allows you to apply almost any color transformation in constant time by +using pre-calculated decimated tables. + +``Color3DLUT.transform()`` allows altering table values with a callback. + +If NumPy is installed, the performance of argument conversion is dramatically +improved when a source table supports buffer interface (NumPy && arrays in +Python >= 3). + +ImageColor.getrgb +^^^^^^^^^^^^^^^^^ + +Previously ``Image.rotate`` only supported HSL color strings. Now HSB and HSV +strings are also supported, as well as float values. For example, +``ImageColor.getrgb("hsv(180,100%,99.5%)")``. + +ImageFile.get_format_mimetype +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +``ImageFile.get_format_mimetype`` has been added to return the MIME type of an +image file, where available. For example, +``Image.open("hopper.jpg").get_format_mimetype()`` returns ``"image/jpeg"``. + +ImageFont.getsize_multiline +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +A new method to return the size of multiline text, for example +``font.getsize_multiline("ABC\nAaaa")`` + +Image.rotate +^^^^^^^^^^^^ + +A new named parameter, ``fillcolor``, has been added to ``Image.rotate``. This +color specifies the background color to use in the area outside the rotated +image. This parameter takes the same color specifications as used in +``Image.new``. + + +TGA file format +^^^^^^^^^^^^^^^ + +Pillow can now read and write LA data (in addition to L, P, RGB and RGBA), and +write RLE data (in addition to uncompressed). + +Other Changes +============= + +Support added for Python 3.7 +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow 5.2 supports Python 3.7. + +Build macOS wheels with Xcode 6.4, supporting older macOS versions +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The macOS wheels for Pillow 5.1.0 were built with Xcode 9.2, meaning 10.12 +Sierra was the lowest supported version. + +Prior to Pillow 5.1.0, Xcode 8 was used, supporting El Capitan 10.11. + +Instead, Pillow 5.2.0 is built with the oldest available Xcode 6.4 to support +at least 10.10 Yosemite. + +Fix _i2f compilation with some GCC versions +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +For example, this allows compilation with GCC 4.8 on NetBSD. + +Resolve confusion getting PIL / Pillow version string +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Re: "version constants deprecated" listed above, as user gnbl notes in #3082: + +- it's confusing that PIL.VERSION returns the version string of the former PIL instead of Pillow's +- there does not seem to be documentation on this version number (why this, will it ever change, ..) e.g. at https://pillow.readthedocs.io/en/5.1.x/about.html#why-a-fork +- it's confusing that PIL.version is a module and does not return the version information directly or hints on how to get it +- the package information header is essentially useless (placeholder, does not even mention Pillow, nor the version) +- PIL._version module documentation comment could explain how to access the version information + +We have attempted to resolve these issues in #3083, #3090 and #3218. diff --git a/docs/releasenotes/5.3.0.rst b/docs/releasenotes/5.3.0.rst new file mode 100644 index 00000000000..bff56566b66 --- /dev/null +++ b/docs/releasenotes/5.3.0.rst @@ -0,0 +1,67 @@ +5.3.0 +----- + +API Changes +=========== + +Image size +^^^^^^^^^^ + +If you attempt to set the size of an image directly, e.g. +``im.size = (100, 100)``, you will now receive an ``AttributeError``. This is +not about removing existing functionality, but instead about raising an +explicit error to prevent later consequences. The ``resize`` method is the +correct way to change an image's size. + +The exceptions to this are: + +* The ICO and ICNS image formats, which use ``im.size = (100, 100)`` to select a subimage. +* The TIFF image format, which now has a ``DeprecationWarning`` for this action, as direct image size setting was previously necessary to work around an issue with tile extents. + + +API Additions +============= + +Added line width parameter to rectangle and ellipse-based shapes +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +An optional line ``width`` parameter has been added to ``ImageDraw.Draw.arc``, +``chord``, ``ellipse``, ``pieslice`` and ``rectangle``. + +Curved joints for line sequences +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +``ImageDraw.Draw.line`` draws a line, or lines, between points. Previously, +when multiple points are given, for a larger ``width``, the joints between +these lines looked unsightly. There is now an additional optional argument, +``joint``, defaulting to :data:`None`. When it is set to ``curved``, the joints +between the lines will become rounded. + +ImageOps.colorize +^^^^^^^^^^^^^^^^^ + +Previously ``ImageOps.colorize`` only supported two-color mapping with +``black`` and ``white`` arguments being mapped to 0 and 255 respectively. +Now it supports three-color mapping with the optional ``mid`` parameter, and +the positions for all three color arguments can each be optionally specified +(``blackpoint``, ``whitepoint`` and ``midpoint``). +For example, with all optional arguments:: + + ImageOps.colorize(im, black=(32, 37, 79), white='white', mid=(59, 101, 175), + blackpoint=15, whitepoint=240, midpoint=100) + +ImageOps.pad +^^^^^^^^^^^^ + +While ``ImageOps.fit`` allows users to crop images to a requested aspect ratio +and size, new method ``ImageOps.pad`` pads images to fill a requested aspect +ratio and size, filling new space with a provided ``color`` and positioning the +image within the new area through a ``centering`` argument. + +Other Changes +============= + +Added support for reading tiled TIFF images through LibTIFF. Compressed TIFF +images are now read through LibTIFF. + +RGB WebP images are now read as RGB mode, rather than RGBX. diff --git a/docs/releasenotes/5.4.0.rst b/docs/releasenotes/5.4.0.rst new file mode 100644 index 00000000000..6d7277c70ea --- /dev/null +++ b/docs/releasenotes/5.4.0.rst @@ -0,0 +1,67 @@ +5.4.0 +----- + +API Changes +=========== + +APNG extension to PNG plugin +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Animated Portable Network Graphics (APNG) images are not fully supported but +can be opened via the PNG plugin to get some basic info:: + + im = Image.open("image.apng") + print(im.mode) # "RGBA" + print(im.size) # (245, 245) + im.show() # Shows a single frame + +Check for libjpeg-turbo +^^^^^^^^^^^^^^^^^^^^^^^ + +You can check if Pillow has been built against the libjpeg-turbo version of the +libjpeg library:: + + from PIL import features + features.check_feature("libjpeg_turbo") # True or False + +Negative indexes in pixel access +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +When accessing individual image pixels, negative indexes are now also accepted. +For example, to get or set the farthest pixel in the lower right of an image:: + + px = im.load() + print(px[-1, -1]) + px[-1, -1] = (0, 0, 0) + + +New custom TIFF tags +^^^^^^^^^^^^^^^^^^^^ + +TIFF images can now be saved with custom integer, float and string TIFF tags:: + + im = Image.new("RGB", (200, 100)) + custom = { + 37000: 4, + 37001: 4.2, + 37002: "custom tag value", + 37003: u"custom tag value", + 37004: b"custom tag value", + } + im.save("output.tif", tiffinfo=custom) + + im2 = Image.open("output.tif") + print(im2.tag_v2[37000]) # 4 + print(im2.tag_v2[37002]) # "custom tag value" + print(im2.tag_v2[37004]) # b"custom tag value" + +Other Changes +============= + +ImageOps.fit +^^^^^^^^^^^^ + +Now uses one resize operation with ``box`` parameter internally +instead of a crop and scale operations sequence. +This improves the performance and accuracy of cropping since +the ``box`` parameter accepts float values. diff --git a/docs/releasenotes/5.4.1.rst b/docs/releasenotes/5.4.1.rst new file mode 100644 index 00000000000..78f483db658 --- /dev/null +++ b/docs/releasenotes/5.4.1.rst @@ -0,0 +1,36 @@ +5.4.1 +----- + +This release fixes regressions in 5.4.0. + +Installation on Termux +^^^^^^^^^^^^^^^^^^^^^^ + +A change to the way Pillow detects libraries during installed prevented +installation on Termux, which does not have ``/sbin/ldconfig``. This is now +fixed. + +PNG: Handle IDAT chunks after image end +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Some PNG images have multiple IDAT chunks. In some cases, Pillow will stop +reading image data before the IDAT chunks finish. A regression caused an +``EOFError`` exception when previously there was none. This is now fixed, and +file reading continues in case there are subsequent text chunks. + +PNG: MIME type +^^^^^^^^^^^^^^ + +The addition of limited APNG support to the PNG plugin also overwrote the MIME +type for PNG files, causing "image/apng" to be returned as the MIME type of +both APNG and PNG files. This has been fixed so the MIME type of PNG files is +"image/png". + +File closing +^^^^^^^^^^^^ + +A regression caused an unsupported image file to report a +``ValueError: seek of closed file`` exception instead of an ``OSError``. This +has been fixed by ensuring that image plugins only close their internal ``__fp`` +if they are not the same as ``ImageFile``'s ``fp``, allowing each to manage their own +file pointers. diff --git a/docs/releasenotes/6.0.0.rst b/docs/releasenotes/6.0.0.rst new file mode 100644 index 00000000000..3e3b945a0a9 --- /dev/null +++ b/docs/releasenotes/6.0.0.rst @@ -0,0 +1,212 @@ +6.0.0 +----- + +Backwards Incompatible Changes +============================== + +Python 3.4 dropped +^^^^^^^^^^^^^^^^^^ + +Python 3.4 is EOL since 2019-03-16 and no longer supported. We will not be creating +binaries, testing, or retaining compatibility with this version. The final version of +Pillow for Python 3.4 is 5.4.1. + +Removed deprecated PIL.OleFileIO +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +PIL.OleFileIO was removed as a vendored file and in Pillow 4.0.0 (2017-01) in favour of +the upstream olefile Python package, and replaced with an ``ImportError``. The +deprecated file has now been removed from Pillow. If needed, install from PyPI (eg. +``python3 -m pip install olefile``). + +Removed deprecated ImageOps functions +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Several undocumented functions in ``ImageOps`` were deprecated in Pillow 4.3.0 (2017-10) +and have now been removed: ``gaussian_blur``, ``gblur``, ``unsharp_mask``, ``usm`` and +``box_blur``. Use the equivalent operations in ``ImageFilter`` instead. + +Removed deprecated VERSION +^^^^^^^^^^^^^^^^^^^^^^^^^^ + +``VERSION`` (the old PIL version, always 1.1.7) has been removed. Use ``__version__`` +instead. + +API Changes +=========== + +Deprecations +^^^^^^^^^^^^ + +Python 2.7 +~~~~~~~~~~ + +Python 2.7 reaches end-of-life on 2020-01-01. + +Pillow 7.0.0 will be released on 2020-01-01 and will drop support for Python 2.7, making +Pillow 6.x the last series to support Python 2. + +PyQt4 and PySide +~~~~~~~~~~~~~~~~ + +Qt 4 reached end-of-life on 2015-12-19. Its Python bindings are also EOL: PyQt4 since +2018-08-31 and PySide since 2015-10-14. + +Support for PyQt4 and PySide has been deprecated from ``ImageQt`` and will be removed in +a future version. Please upgrade to PyQt5 or PySide2. + +PIL.*ImagePlugin.__version__ attributes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +These version constants have been deprecated and will be removed in a future +version. + +* ``BmpImagePlugin.__version__`` +* ``CurImagePlugin.__version__`` +* ``DcxImagePlugin.__version__`` +* ``EpsImagePlugin.__version__`` +* ``FliImagePlugin.__version__`` +* ``FpxImagePlugin.__version__`` +* ``GdImageFile.__version__`` +* ``GifImagePlugin.__version__`` +* ``IcoImagePlugin.__version__`` +* ``ImImagePlugin.__version__`` +* ``ImtImagePlugin.__version__`` +* ``IptcImagePlugin.__version__`` +* ``Jpeg2KImagePlugin.__version__`` +* ``JpegImagePlugin.__version__`` +* ``McIdasImagePlugin.__version__`` +* ``MicImagePlugin.__version__`` +* ``MpegImagePlugin.__version__`` +* ``MpoImagePlugin.__version__`` +* ``MspImagePlugin.__version__`` +* ``PalmImagePlugin.__version__`` +* ``PcdImagePlugin.__version__`` +* ``PcxImagePlugin.__version__`` +* ``PdfImagePlugin.__version__`` +* ``PixarImagePlugin.__version__`` +* ``PngImagePlugin.__version__`` +* ``PpmImagePlugin.__version__`` +* ``PsdImagePlugin.__version__`` +* ``SgiImagePlugin.__version__`` +* ``SunImagePlugin.__version__`` +* ``TgaImagePlugin.__version__`` +* ``TiffImagePlugin.__version__`` +* ``WmfImagePlugin.__version__`` +* ``XbmImagePlugin.__version__`` +* ``XpmImagePlugin.__version__`` +* ``XVThumbImagePlugin.__version__`` + +Use ``PIL.__version__`` instead. + +ImageCms.CmsProfile attributes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Some attributes in ``ImageCms.CmsProfile`` have been deprecated since Pillow 3.2.0. From +6.0.0, they issue a ``DeprecationWarning``: + +======================== =============================== +Deprecated Use instead +======================== =============================== +``color_space`` Padded ``xcolor_space`` +``pcs`` Padded ``connection_space`` +``product_copyright`` Unicode ``copyright`` +``product_desc`` Unicode ``profile_description`` +``product_description`` Unicode ``profile_description`` +``product_manufacturer`` Unicode ``manufacturer`` +``product_model`` Unicode ``model`` +======================== =============================== + +MIME type improvements +^^^^^^^^^^^^^^^^^^^^^^ + +Previously, all JPEG2000 images had the MIME type "image/jpx". This has now been +corrected. After the file format drivers have been loaded, ``Image.MIME["JPEG2000"]`` +will return "image/jp2". ``ImageFile.get_format_mimetype`` will return "image/jpx" if +a JPX profile is present, or "image/jp2" otherwise. + +Previously, all SGI images had the MIME type "image/rgb". This has now been +corrected. After the file format drivers have been loaded, ``Image.MIME["SGI"]`` +will return "image/sgi". ``ImageFile.get_format_mimetype`` will return "image/rgb" if +RGB image data is present, or "image/sgi" otherwise. + +MIME types have been added to the PPM format. After the file format drivers have been +loaded, ``Image.MIME["PPM"]`` will now return the generic "image/x-portable-anymap". +``ImageFile.get_format_mimetype`` will return a MIME type specific to the color type. + +The TGA, PCX and ICO formats also now have MIME types: "image/x-tga", "image/x-pcx" and +"image/x-icon" respectively. + +API Additions +============= + +DIB file format +^^^^^^^^^^^^^^^ + +Pillow now supports reading and writing the Device Independent Bitmap file format. + +Image.quantize +^^^^^^^^^^^^^^ + +The ``dither`` option is now a customisable parameter (was previously hardcoded to ``1``). +This parameter takes the same values used in :py:meth:`~PIL.Image.Image.convert`. + +New language parameter +^^^^^^^^^^^^^^^^^^^^^^ + +These text-rendering functions now accept a ``language`` parameter to request +language-specific glyphs and ligatures from the font: + +* ``ImageDraw.ImageDraw.multiline_text()`` +* ``ImageDraw.ImageDraw.multiline_textsize()`` +* ``ImageDraw.ImageDraw.text()`` +* ``ImageDraw.ImageDraw.textsize()`` +* ``ImageFont.ImageFont.getmask()`` +* ``ImageFont.ImageFont.getsize_multiline()`` +* ``ImageFont.ImageFont.getsize()`` + +Added EXIF class +^^^^^^^^^^^^^^^^ + +:py:meth:`~PIL.Image.Image.getexif` has been added, which returns an +:py:class:`~PIL.Image.Exif` instance. Values can be retrieved and set like a +dictionary. When saving JPEG, PNG or WEBP, the instance can be passed as an +``exif`` argument to include any changes in the output image. + +Added ImageOps.exif_transpose +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +:py:meth:`~PIL.ImageOps.exif_transpose` returns a copy of an image, transposed +according to its EXIF Orientation tag. + +PNG EXIF data +^^^^^^^^^^^^^ + +EXIF data can now be read from and saved to PNG images. However, unlike other image +formats, EXIF data is not guaranteed to be present in :py:attr:`~PIL.Image.Image.info` +until :py:meth:`~PIL.Image.Image.load` has been called. + +Other Changes +============= + +Reading new DDS image format +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow can now read uncompressed RGB data from DDS images. + +Reading TIFF with old-style JPEG compression +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Added support reading TIFF files with old-style JPEG compression through LibTIFF. All +YCbCr TIFF images are now always read as RGB. + +TIFF compression codecs +^^^^^^^^^^^^^^^^^^^^^^^ + +Support has been added for the LZMA, Zstd and WebP TIFF compression codecs. + +Improved support for transposing I;16 images +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +I;16, I;16L and I;16B are now supported image modes for all +:py:meth:`~PIL.Image.Image.transpose` operations. diff --git a/docs/releasenotes/6.1.0.rst b/docs/releasenotes/6.1.0.rst new file mode 100644 index 00000000000..eb4304843e1 --- /dev/null +++ b/docs/releasenotes/6.1.0.rst @@ -0,0 +1,111 @@ +6.1.0 +----- + +Deprecations +============ + +Image.__del__ +^^^^^^^^^^^^^ + +.. deprecated:: 6.1.0 + +Implicitly closing the image's underlying file in ``Image.__del__`` has been deprecated. +Use a context manager or call ``Image.close()`` instead to close the file in a +deterministic way. + +Deprecated: + +.. code-block:: python + + im = Image.open("hopper.png") + im.save("out.jpg") + +Use instead: + +.. code-block:: python + + with Image.open("hopper.png") as im: + im.save("out.jpg") + +API Additions +============= + +Image.entropy +^^^^^^^^^^^^^ +Calculates and returns the entropy for the image. A bilevel image (mode "1") is treated +as a greyscale ("L") image by this method. If a mask is provided, the method employs +the histogram for those parts of the image where the mask image is non-zero. The mask +image must have the same size as the image, and be either a bi-level image (mode "1") or +a greyscale image ("L"). + +ImageGrab.grab +^^^^^^^^^^^^^^ + +An optional ``include_layered_windows`` parameter has been added to ``ImageGrab.grab``, +defaulting to ``False``. If true, layered windows will be included in the resulting +image on Windows. + +ImageSequence.all_frames +^^^^^^^^^^^^^^^^^^^^^^^^ + +A new method to facilitate applying a given function to all frames in an image, or to +all frames in a list of images. The frames are returned as a list of separate images. +For example, ``ImageSequence.all_frames(im, lambda im_frame: im_frame.rotate(90))`` +could be used to return all frames from an image, each rotated 90 degrees. + +Variation fonts +^^^^^^^^^^^^^^^ + +Variation fonts are now supported, allowing for different styles from the same font +file. ``ImageFont.FreeTypeFont`` has four new methods, +:py:meth:`PIL.ImageFont.FreeTypeFont.get_variation_names` and +:py:meth:`PIL.ImageFont.FreeTypeFont.set_variation_by_name` for using named styles, and +:py:meth:`PIL.ImageFont.FreeTypeFont.get_variation_axes` and +:py:meth:`PIL.ImageFont.FreeTypeFont.set_variation_by_axes` for using font axes +instead. An ``IOError`` will be raised if the font is not a variation font. FreeType +2.9.1 or greater is required. + +Other Changes +============= + +ImageTk.getimage +^^^^^^^^^^^^^^^^ + +This function is now supported. It returns the contents of an ``ImageTk.PhotoImage`` as +an RGBA ``Image.Image`` instance. + +Image quality for JPEG compressed TIFF +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The TIFF encoder accepts a ``quality`` parameter for ``jpeg`` compressed TIFF files. A +value from 0 (worst) to 100 (best) controls the image quality, similar to the JPEG +encoder. The default is 75. For example: + +.. code-block:: python + + im.save("out.tif", compression="jpeg", quality=85) + +Improve encoding of TIFF tags +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The TIFF encoder supports more types, especially arrays. This is required for the +GeoTIFF format which encodes geospatial information. + +* Pass ``tagtype`` from v2 directory to libtiff encoder, instead of autodetecting type. +* Use explicit types eg. ``uint32_t`` for ``TIFF_LONG`` to fix issues on platforms with + 64-bit longs. +* Add support for multiple values (arrays). Requires type in v2 directory and values + must be passed as a tuple. +* Add support for signed types eg. ``TIFFTypes.TIFF_SIGNED_SHORT``. + +Respect PKG_CONFIG environment variable when building +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +This variable is commonly used by other build systems and using it can help with +cross-compiling. Falls back to ``pkg-config`` as before. + +Top-to-bottom complex text rendering +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Drawing text in the 'ttb' direction with ``ImageFont`` has been significantly improved +and requires Raqm 0.7 or greater. diff --git a/docs/releasenotes/6.2.0.rst b/docs/releasenotes/6.2.0.rst new file mode 100644 index 00000000000..20a009cc177 --- /dev/null +++ b/docs/releasenotes/6.2.0.rst @@ -0,0 +1,109 @@ +6.2.0 +----- + +API Additions +============= + +Text stroking +^^^^^^^^^^^^^ + +``stroke_width`` and ``stroke_fill`` arguments have been added to text drawing +operations. They allow text to be outlined, setting the width of the stroke and +and the color respectively. If not provided, ``stroke_fill`` will default to +the ``fill`` parameter. + +.. code-block:: python + + from PIL import Image, ImageDraw, ImageFont + + font = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 40) + font.getsize_multiline("A", stroke_width=2) + font.getsize("ABC\nAaaa", stroke_width=2) + + im = Image.new("RGB", (100, 100)) + draw = ImageDraw.Draw(im) + draw.textsize("A", font, stroke_width=2) + draw.multiline_textsize("ABC\nAaaa", font, stroke_width=2) + draw.text((10, 10), "A", "#f00", font, stroke_width=2, stroke_fill="#0f0") + draw.multiline_text((10, 10), "A\nB", "#f00", font, + stroke_width=2, stroke_fill="#0f0") + +For example, + +.. code-block:: python + + from PIL import Image, ImageDraw, ImageFont + + im = Image.new("RGB", (120, 130)) + draw = ImageDraw.Draw(im) + font = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 120) + draw.text((10, 10), "A", "#f00", font, stroke_width=2, stroke_fill="#0f0") + + +creates the following image: + +.. image:: ../../Tests/images/imagedraw_stroke_different.png + +ImageGrab on multi-monitor Windows +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +An ``all_screens`` argument has been added to ``ImageGrab.grab``. If ``True``, +all monitors will be included in the created image. + +API Changes +=========== + +Image.getexif +^^^^^^^^^^^^^ + +To allow for lazy loading of Exif data, ``Image.getexif()`` now returns a +shared instance of ``Image.Exif``. + +Deprecations +^^^^^^^^^^^^ + +Image.frombuffer +~~~~~~~~~~~~~~~~ + +There has been a longstanding warning that the defaults of ``Image.frombuffer`` +may change in the future for the "raw" decoder. The change will now take place +in Pillow 7.0. + +Security +======== + +This release catches several buffer overruns, as well as addressing +:cve:`CVE-2019-16865`. The CVE is regarding DOS problems, such as consuming large +amounts of memory, or taking a large amount of time to process an image. + +In RawDecode.c, an error is now thrown if skip is calculated to be less than +zero. It is intended to skip padding between lines, not to go backwards. + +In PsdImagePlugin, if the combined sizes of the individual parts is larger than +the declared size of the extra data field, then it looked for the next layer by +seeking backwards. This is now corrected by seeking to (the start of the layer ++ the size of the extra data field) instead of (the read parts of the layer + +the rest of the layer). + +Decompression bomb checks have been added to GIF and ICO formats. + +An error is now raised if a TIFF dimension is a string, rather than trying to +perform operations on it. + +Other Changes +============= + +Removed bdist_wininst .exe installers +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +.exe installers fell out of favour with :pep:`527`, and will be deprecated in +Python 3.8. Pillow will no longer be distributing them. Wheels should be used +instead. + +Flags for libwebp in wheels +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +When building libwebp for inclusion in wheels, Pillow now adds the ``-O3`` and +``-DNDEBUG`` CFLAGS. These flags would be used by default if building libwebp +without debugging, and using them fixes a significant decrease in speed when +a wheel-installed copy of Pillow performs libwebp operations. diff --git a/docs/releasenotes/6.2.1.rst b/docs/releasenotes/6.2.1.rst new file mode 100644 index 00000000000..ca298fa702c --- /dev/null +++ b/docs/releasenotes/6.2.1.rst @@ -0,0 +1,26 @@ +6.2.1 +----- + +API Changes +=========== + +Deprecations +^^^^^^^^^^^^ + +Python 2.7 +~~~~~~~~~~ + +Python 2.7 reaches end-of-life on 2020-01-01. + +Pillow 7.0.0 will be released on 2020-01-01 and will drop support for Python +2.7, making Pillow 6.2.x the last release series to support Python 2. + +Other Changes +============= + + + +Support added for Python 3.8 +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow 6.2.1 supports Python 3.8. diff --git a/docs/releasenotes/6.2.2.rst b/docs/releasenotes/6.2.2.rst new file mode 100644 index 00000000000..79d4b88aac4 --- /dev/null +++ b/docs/releasenotes/6.2.2.rst @@ -0,0 +1,18 @@ +6.2.2 +----- + +Security +======== + +This release addresses several security problems. + +:cve:`CVE-2019-19911` is regarding FPX images. If an image reports that it has a large +number of bands, a large amount of resources will be used when trying to process the +image. This is fixed by limiting the number of bands to those usable by Pillow. + +Buffer overruns were found when processing an SGI (:cve:`CVE-2020-5311`), +PCX (:cve:`CVE-2020-5312`) or FLI image (:cve:`CVE-2020-5313`). Checks have been added +to prevent this. + +:cve:`CVE-2020-5310`: Overflow checks have been added when calculating the size of a +memory block to be reallocated in the processing of a TIFF image. diff --git a/docs/releasenotes/7.0.0.rst b/docs/releasenotes/7.0.0.rst new file mode 100644 index 00000000000..80002b0ce71 --- /dev/null +++ b/docs/releasenotes/7.0.0.rst @@ -0,0 +1,161 @@ +7.0.0 +----- + +Backwards Incompatible Changes +============================== + +Python 2.7 +^^^^^^^^^^ + +Pillow has dropped support for Python 2.7, which reached end-of-life on 2020-01-01. + +PILLOW_VERSION constant +^^^^^^^^^^^^^^^^^^^^^^^ + +``PILLOW_VERSION`` has been removed. Use ``__version__`` instead. + +PIL.*ImagePlugin.__version__ attributes +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The version constants of individual plugins have been removed. Use ``PIL.__version__`` +instead. + +=============================== ================================= ================================== +Removed Removed Removed +=============================== ================================= ================================== +``BmpImagePlugin.__version__`` ``Jpeg2KImagePlugin.__version__`` ``PngImagePlugin.__version__`` +``CurImagePlugin.__version__`` ``JpegImagePlugin.__version__`` ``PpmImagePlugin.__version__`` +``DcxImagePlugin.__version__`` ``McIdasImagePlugin.__version__`` ``PsdImagePlugin.__version__`` +``EpsImagePlugin.__version__`` ``MicImagePlugin.__version__`` ``SgiImagePlugin.__version__`` +``FliImagePlugin.__version__`` ``MpegImagePlugin.__version__`` ``SunImagePlugin.__version__`` +``FpxImagePlugin.__version__`` ``MpoImagePlugin.__version__`` ``TgaImagePlugin.__version__`` +``GdImageFile.__version__`` ``MspImagePlugin.__version__`` ``TiffImagePlugin.__version__`` +``GifImagePlugin.__version__`` ``PalmImagePlugin.__version__`` ``WmfImagePlugin.__version__`` +``IcoImagePlugin.__version__`` ``PcdImagePlugin.__version__`` ``XbmImagePlugin.__version__`` +``ImImagePlugin.__version__`` ``PcxImagePlugin.__version__`` ``XpmImagePlugin.__version__`` +``ImtImagePlugin.__version__`` ``PdfImagePlugin.__version__`` ``XVThumbImagePlugin.__version__`` +``IptcImagePlugin.__version__`` ``PixarImagePlugin.__version__`` +=============================== ================================= ================================== + +PyQt4 and PySide +^^^^^^^^^^^^^^^^ + +Qt 4 reached end-of-life on 2015-12-19. Its Python bindings are also EOL: PyQt4 since +2018-08-31 and PySide since 2015-10-14. + +Support for PyQt4 and PySide has been removed from ``ImageQt``. Please upgrade to PyQt5 +or PySide2. + +Setting the size of TIFF images +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Setting the size of a TIFF image directly (eg. ``im.size = (256, 256)``) throws +an error. Use ``Image.resize`` instead. + +Default resampling filter +^^^^^^^^^^^^^^^^^^^^^^^^^ + +The default resampling filter has been changed to the high-quality convolution +``Image.BICUBIC`` instead of ``Image.NEAREST``, for the :py:meth:`~PIL.Image.Image.resize` +method and the :py:meth:`~PIL.ImageOps.pad`, :py:meth:`~PIL.ImageOps.scale` +and :py:meth:`~PIL.ImageOps.fit` functions. +``Image.NEAREST`` is still always used for images in "P" and "1" modes. +See :ref:`concept-filters` to learn the difference. In short, +``Image.NEAREST`` is a very fast filter, but simple and low-quality. + +Image.draft() return value +^^^^^^^^^^^^^^^^^^^^^^^^^^ + +If the :py:meth:`~PIL.Image.Image.draft` method has no effect, it returns :data:`None`. +If it does have an effect, then it previously returned the image itself. +However, unlike other `chain methods`_, :py:meth:`~PIL.Image.Image.draft` does not +return a modified version of the image, but modifies it in-place. So instead, if +:py:meth:`~PIL.Image.Image.draft` has an effect, Pillow will now return a tuple +of the image mode and a co-ordinate box. The box is the original coordinates in the +bounds of resulting image. This may be useful in a subsequent +:py:meth:`~PIL.Image.Image.resize` call. + +.. _chain methods: https://en.wikipedia.org/wiki/Method_chaining + + +API Additions +============= + +Custom unidentified image error +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow will now throw a custom ``UnidentifiedImageError`` when an image cannot be +identified. For backwards compatibility, this will inherit from ``OSError``. + +New argument ``reducing_gap`` for Image.resize() and Image.thumbnail() methods +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Speeds up resizing by resizing the image in two steps. The bigger ``reducing_gap``, +the closer the result to the fair resampling. The smaller ``reducing_gap``, +the faster resizing. With ``reducing_gap`` greater or equal to 3.0, +the result is indistinguishable from fair resampling. + +The default value for :py:meth:`~PIL.Image.Image.resize` is :data:`None`, +which means that the optimization is turned off by default. + +The default value for :py:meth:`~PIL.Image.Image.thumbnail` is 2.0, +which is very close to fair resampling while still being faster in many cases. +In addition, the same gap is applied when :py:meth:`~PIL.Image.Image.thumbnail` +calls :py:meth:`~PIL.Image.Image.draft`, which may greatly improve the quality +of JPEG thumbnails. As a result, :py:meth:`~PIL.Image.Image.thumbnail` +in the new version provides equally high speed and high quality from any +source (JPEG or arbitrary images). + +New Image.reduce() method +^^^^^^^^^^^^^^^^^^^^^^^^^ + +:py:meth:`~PIL.Image.Image.reduce` is a highly efficient operation +to reduce an image by integer times. Normally, it shouldn't be used directly. +Used internally by :py:meth:`~PIL.Image.Image.resize` and :py:meth:`~PIL.Image.Image.thumbnail` +methods to speed up resize when a new argument ``reducing_gap`` is set. + +Loading WMF images at a given DPI +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +On Windows, Pillow can read WMF files, with a default DPI of 72. An image can +now also be loaded at another resolution: + +.. code-block:: python + + from PIL import Image + with Image.open("drawing.wmf") as im: + im.load(dpi=144) + +Other Changes +============= + +Image.__del__ +^^^^^^^^^^^^^ + +Implicitly closing the image's underlying file in ``Image.__del__`` has been removed. +Use a context manager or call :py:meth:`~PIL.Image.Image.close` instead to close +the file in a deterministic way. + +Previous method: + +.. code-block:: python + + im = Image.open("hopper.png") + im.save("out.jpg") + +Use instead: + +.. code-block:: python + + with Image.open("hopper.png") as im: + im.save("out.jpg") + +Better thumbnail geometry +^^^^^^^^^^^^^^^^^^^^^^^^^ + +When calculating the new dimensions in :py:meth:`~PIL.Image.Image.thumbnail`, +round to the nearest integer, instead of always rounding down. +This better preserves the original aspect ratio. + +When the image width or height is not divisible by 8 the last row and column +in the image get the correct weight after JPEG DCT scaling. diff --git a/docs/releasenotes/7.1.0.rst b/docs/releasenotes/7.1.0.rst new file mode 100644 index 00000000000..0024a537d12 --- /dev/null +++ b/docs/releasenotes/7.1.0.rst @@ -0,0 +1,102 @@ +7.1.0 +----- + +API Changes +=========== + +Allow saving of zero quality JPEG images +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +If no quality was specified when saving a JPEG, Pillow internally used a value +of zero to indicate that the default quality should be used. However, this +removed the ability to actually save a JPEG with zero quality. This has now +been resolved. + +.. code-block:: python + + from PIL import Image + im = Image.open("hopper.jpg") + im.save("out.jpg", quality=0) + +API Additions +============= + +New channel operations +^^^^^^^^^^^^^^^^^^^^^^ + +Three new channel operations have been added: :py:meth:`~PIL.ImageChops.soft_light`, +:py:meth:`~PIL.ImageChops.hard_light` and :py:meth:`~PIL.ImageChops.overlay`. + +PILLOW_VERSION constant +^^^^^^^^^^^^^^^^^^^^^^^ + +``PILLOW_VERSION`` has been re-added but is deprecated and will be removed in a future +release. Use ``__version__`` instead. + +It was initially removed in Pillow 7.0.0, but brought back in 7.1.0 to give projects +more time to upgrade. + +Reading JPEG comments +^^^^^^^^^^^^^^^^^^^^^ + +When opening a JPEG image, the comment may now be read into +:py:attr:`~PIL.Image.Image.info`. + +Support for different charset encodings in PcfFontFile +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Previously ``PcfFontFile`` output only bitmap PIL fonts with ISO 8859-1 encoding, even +though the PCF format supports Unicode, making it hard to work with Pillow with bitmap +fonts in languages which use different character sets. + +Now it's possible to set a different charset encoding in ``PcfFontFile``'s class +constructor. By default, it generates a PIL font file with ISO 8859-1 as before. The +generated PIL font file still contains up to 256 characters, but the character set is +different depending on the selected encoding. + +To use such a font with ``ImageDraw.text``, call it with a bytes object with the same +encoding as the font file. + +X11 ImageGrab.grab() +^^^^^^^^^^^^^^^^^^^^ +Support has been added for ``ImageGrab.grab()`` on Linux using the X server +with the XCB library. + +An optional ``xdisplay`` parameter has been added to select the X server, +with the default value of :data:`None` using the default X server. + +Passing a different value on Windows or macOS will force taking a snapshot +using the selected X server; pass an empty string to use the default X server. +XCB support is not included in pre-compiled wheels for Windows and macOS. + +Security +======== + +This release includes security fixes. + +* :cve:`CVE-2020-10177` Fix multiple out-of-bounds reads in FLI decoding +* :cve:`CVE-2020-10378` Fix bounds overflow in PCX decoding +* :cve:`CVE-2020-10379` Fix two buffer overflows in TIFF decoding +* :cve:`CVE-2020-10994` Fix bounds overflow in JPEG 2000 decoding +* :cve:`CVE-2020-11538` Fix buffer overflow in SGI-RLE decoding + +Other Changes +============= + +If present, only use alpha channel for bounding box +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +When the :py:meth:`~PIL.Image.Image.getbbox` method calculates the bounding +box, for an RGB image it trims black pixels. Similarly, for an RGBA image it +would trim black transparent pixels. This is now changed so that if an image +has an alpha channel (RGBA, RGBa, PA, LA, La), any transparent pixels are +trimmed. + +Improved APNG support +^^^^^^^^^^^^^^^^^^^^^ + +Added support for reading and writing Animated Portable Network Graphics (APNG) images. +The PNG plugin now supports using the :py:meth:`~PIL.Image.Image.seek` method and the +:py:class:`~PIL.ImageSequence.Iterator` class to read APNG frame sequences. +The PNG plugin also now supports using the ``append_images`` argument to write APNG frame +sequences. See :ref:`apng-sequences` for further details. diff --git a/docs/releasenotes/7.1.1.rst b/docs/releasenotes/7.1.1.rst new file mode 100644 index 00000000000..2169e6a05b8 --- /dev/null +++ b/docs/releasenotes/7.1.1.rst @@ -0,0 +1,25 @@ +7.1.1 +----- + +Fix regression seeking PNG files +================================ + +This fixes a regression introduced in 7.1.0 when adding support for APNG files when calling +``seek`` and ``tell``: + +.. code-block:: pycon + + >>> from PIL import Image + >>> with Image.open("Tests/images/hopper.png") as im: + ... im.seek(0) + ... + Traceback (most recent call last): + File "", line 2, in + File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/PIL/PngImagePlugin.py", line 739, in seek + if not self._seek_check(frame): + File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/PIL/ImageFile.py", line 306, in _seek_check + return self.tell() != frame + File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/PIL/PngImagePlugin.py", line 827, in tell + return self.__frame + AttributeError: 'PngImageFile' object has no attribute '_PngImageFile__frame' + >>> diff --git a/docs/releasenotes/7.1.2.rst b/docs/releasenotes/7.1.2.rst new file mode 100644 index 00000000000..b12d84e33bd --- /dev/null +++ b/docs/releasenotes/7.1.2.rst @@ -0,0 +1,16 @@ +7.1.2 +----- + +Fix another regression seeking PNG files +======================================== + +This fixes a regression introduced in 7.1.0 when adding support for APNG files. + +When calling ``seek(n)`` on a regular PNG where ``n > 0``, it failed to raise an +``EOFError`` as it should have done, resulting in: + +.. code-block:: pycon + + AttributeError: 'NoneType' object has no attribute 'read' + +Pillow 7.1.2 now raises the correct exception. diff --git a/docs/releasenotes/7.2.0.rst b/docs/releasenotes/7.2.0.rst new file mode 100644 index 00000000000..ff1b7c9e764 --- /dev/null +++ b/docs/releasenotes/7.2.0.rst @@ -0,0 +1,58 @@ +7.2.0 +----- + +API Changes +=========== + +Replaced TiffImagePlugin DEBUG with logging +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +``TiffImagePlugin.DEBUG = True`` has been a way to print various debugging +information when interacting with TIFF images. This has now been removed +in favour of Python's ``logging`` module, already used in other places in the +Pillow source code. + +Corrected default offset when writing EXIF data +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Previously, the default ``offset`` argument for +:py:meth:`~PIL.Image.Exif.tobytes` was 0, which did not include the magic +header. It is now 8. + +Moved to ImageFileDirectory_v2 in Image.Exif +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Moved from the legacy :py:class:`PIL.TiffImagePlugin.ImageFileDirectory_v1` to +:py:class:`PIL.TiffImagePlugin.ImageFileDirectory_v2` in +:py:class:`PIL.Image.Exif`. This means that Exif RATIONALs and SIGNED_RATIONALs +are now read as :py:class:`PIL.TiffImagePlugin.IFDRational`, instead of as a +tuple with a numerator and a denominator. + +TIFF BYTE tags format +^^^^^^^^^^^^^^^^^^^^^ + +TIFF BYTE tags were previously read as a tuple containing a bytestring. They +are now read as just a single bytestring. + +Deprecations +^^^^^^^^^^^^ + +Image.show command parameter +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The ``command`` parameter was deprecated and will be removed in a future release. +Use a subclass of :py:class:`PIL.ImageShow.Viewer` instead. + +Image._showxv +~~~~~~~~~~~~~ + +``Image._showxv`` has been deprecated. Use :py:meth:`~PIL.Image.Image.show` +instead. If custom behaviour is required, use :py:meth:`~PIL.ImageShow.register` to add +a custom :py:class:`~PIL.ImageShow.Viewer` class. + +ImageFile.raise_ioerror +~~~~~~~~~~~~~~~~~~~~~~~ + +``IOError`` was merged into ``OSError`` in Python 3.3. So, ``ImageFile.raise_ioerror`` +is now deprecated and will be removed in a future release. Use +``ImageFile.raise_oserror`` instead. diff --git a/docs/releasenotes/8.0.0.rst b/docs/releasenotes/8.0.0.rst new file mode 100644 index 00000000000..2ff9b3799ba --- /dev/null +++ b/docs/releasenotes/8.0.0.rst @@ -0,0 +1,180 @@ +8.0.0 +----- + +Backwards Incompatible Changes +============================== + +Python 3.5 +^^^^^^^^^^ + +Pillow has dropped support for Python 3.5, which reached end-of-life on 2020-09-13. + +PyPy 7.1.x +^^^^^^^^^^ + +Pillow has dropped support for PyPy3 7.1.1. +PyPy3 7.2.0, released on 2019-10-14, is now the minimum compatible version. + +im.offset +^^^^^^^^^ + +``im.offset()`` has been removed, call :py:func:`.ImageChops.offset()` instead. + +Image.fromstring, im.fromstring and im.tostring +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* ``Image.fromstring()`` has been removed, call :py:func:`.Image.frombytes()` instead. +* ``im.fromstring()`` has been removed, call :py:meth:`~PIL.Image.Image.frombytes()` instead. +* ``im.tostring()`` has been removed, call :py:meth:`~PIL.Image.Image.tobytes()` instead. + +ImageCms.CmsProfile attributes +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Some attributes in :py:class:`PIL.ImageCms.CmsProfile` have been removed: + +======================== =================================================== +Removed Use instead +======================== =================================================== +``color_space`` Padded :py:attr:`~.CmsProfile.xcolor_space` +``pcs`` Padded :py:attr:`~.CmsProfile.connection_space` +``product_copyright`` Unicode :py:attr:`~.CmsProfile.copyright` +``product_desc`` Unicode :py:attr:`~.CmsProfile.profile_description` +``product_description`` Unicode :py:attr:`~.CmsProfile.profile_description` +``product_manufacturer`` Unicode :py:attr:`~.CmsProfile.manufacturer` +``product_model`` Unicode :py:attr:`~.CmsProfile.model` +======================== =================================================== + +API Changes +=========== + +ImageDraw.text: stroke_width +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Fixed issue where passing ``stroke_width`` with a non-zero value +to :py:meth:`.ImageDraw.text` would cause the text to be offset by that amount. + +ImageDraw.text: anchor +^^^^^^^^^^^^^^^^^^^^^^ + +The ``anchor`` parameter of :py:meth:`.ImageDraw.text` has been implemented. + +Use this parameter to change the position of text relative to the +specified ``xy`` point. See :ref:`text-anchors` for details. + +Add MIME type to PsdImagePlugin +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +"image/vnd.adobe.photoshop" is now registered as the +:py:class:`.PsdImagePlugin.PsdImageFile` MIME type. + +API Additions +============= + +Image.open: add formats parameter +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Added a new ``formats`` parameter to :py:func:`.Image.open`: + +* A list or tuple of formats to attempt to load the file in. + This can be used to restrict the set of formats checked. + Pass ``None`` to try all supported formats. You can print the set of + available formats by running ``python3 -m PIL`` or using + the :py:func:`PIL.features.pilinfo` function. + +ImageOps.autocontrast: add mask parameter +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +:py:func:`.ImageOps.autocontrast` can now take a ``mask`` parameter: + +* Histogram used in contrast operation is computed using pixels within the mask. + If no mask is given the entire image is used for histogram computation. + +ImageOps.autocontrast cutoffs +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Previously, the ``cutoff`` parameter of :py:func:`.ImageOps.autocontrast` could only +be a single number, used as the percent to cut off from the histogram on the low and +high ends. + +Now, it can also be a tuple ``(low, high)``. + +ImageDraw.regular_polygon +^^^^^^^^^^^^^^^^^^^^^^^^^ + +A new method :py:meth:`.ImageDraw.regular_polygon`, draws a regular polygon of ``n_sides``, inscribed in a ``bounding_circle``. + +For example ``draw.regular_polygon(((100, 100), 50), 5)`` +draws a pentagon centered at the point ``(100, 100)`` with a polygon radius of ``50``. + +ImageDraw.text: embedded_color +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The methods :py:meth:`.ImageDraw.text` and :py:meth:`.ImageDraw.multiline_text` +now support fonts with embedded color data. + +To render text with embedded color data, use the parameter ``embedded_color=True``. + +Support for CBDT fonts requires FreeType 2.5 compiled with libpng. +Support for SBIX fonts requires FreeType 2.5.1 compiled with libpng. +Support for COLR fonts requires FreeType 2.10. +SVG fonts are not yet supported. + +ImageDraw.textlength +^^^^^^^^^^^^^^^^^^^^ + +Two new methods :py:meth:`.ImageDraw.textlength` and :py:meth:`.FreeTypeFont.getlength` +were added, returning the exact advance length of text with 1/64 pixel precision. + +These can be used for word-wrapping or rendering text in parts. + +ImageDraw.textbbox +^^^^^^^^^^^^^^^^^^ + +Three new methods :py:meth:`.ImageDraw.textbbox`, :py:meth:`.ImageDraw.multiline_textbbox`, +and :py:meth:`.FreeTypeFont.getbbox` return the bounding box of rendered text. + +These functions accept an ``anchor`` parameter, see :ref:`text-anchors` for details. + +Other Changes +============= + +Improved ellipse-drawing algorithm +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The ellipse-drawing algorithm has been changed from drawing a 360-sided polygon to one +which resembles Bresenham's algorithm for circles. It should be faster and produce +smoother curves, especially for smaller ellipses. + +ImageDraw.text and ImageDraw.multiline_text +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Fixed multiple issues in methods :py:meth:`.ImageDraw.text` and :py:meth:`.ImageDraw.multiline_text` +sometimes causing unexpected text alignment issues. + +The ``align`` parameter of :py:meth:`.ImageDraw.multiline_text` now gives better results in some cases. + +TrueType fonts with embedded bitmaps are now supported. + +Added writing of subIFDs +^^^^^^^^^^^^^^^^^^^^^^^^ + +When saving EXIF data, Pillow is now able to write subIFDs, such as the GPS IFD. This +should happen automatically when saving an image using the EXIF data that it was opened +with, such as in :py:meth:`~PIL.ImageOps.exif_transpose`. + +Previously, the code of the first tag of the subIFD was incorrectly written as the +offset. + +Error for large BMP files +^^^^^^^^^^^^^^^^^^^^^^^^^ + +Previously, if a BMP file was too large, an ``OSError`` would be raised. Now, +``DecompressionBombError`` is used instead, as Pillow already uses for other formats. + +Dark theme for docs +^^^^^^^^^^^^^^^^^^^ + +The https://pillow.readthedocs.io documentation will use a dark theme if the the user has requested the system use one. Uses the ``prefers-color-scheme`` CSS media query. + + + diff --git a/docs/releasenotes/8.0.1.rst b/docs/releasenotes/8.0.1.rst new file mode 100644 index 00000000000..3584a5d72e9 --- /dev/null +++ b/docs/releasenotes/8.0.1.rst @@ -0,0 +1,22 @@ +8.0.1 +----- + +Security +======== + +Update FreeType used in binary wheels to `2.10.4`_ to fix :cve:`CVE-2020-15999`: + + - A heap buffer overflow has been found in the handling of embedded PNG bitmaps, + introduced in FreeType version 2.6. + + If you use option ``FT_CONFIG_OPTION_USE_PNG`` you should upgrade immediately. + +We strongly recommend updating to Pillow 8.0.1 if you are using Pillow 8.0.0, which improved support for bitmap fonts. + +In Pillow 7.2.0 and earlier bitmap fonts were disabled with ``FT_LOAD_NO_BITMAP``, but it is not +clear if this prevents the exploit and we recommend updating to Pillow 8.0.1. + +Pillow 8.0.0 and earlier are potentially vulnerable releases, including the last release +to support Python 2.7, namely Pillow 6.2.2. + +.. _2.10.4: https://sourceforge.net/projects/freetype/files/freetype2/2.10.4/ diff --git a/docs/releasenotes/8.1.0.rst b/docs/releasenotes/8.1.0.rst new file mode 100644 index 00000000000..8ed1d9d85cc --- /dev/null +++ b/docs/releasenotes/8.1.0.rst @@ -0,0 +1,93 @@ +8.1.0 +----- + +Deprecations +============ + +FreeType 2.7 +^^^^^^^^^^^^ + +Support for FreeType 2.7 is deprecated and will be removed in Pillow 9.0.0 (2022-01-02), +when FreeType 2.8 will be the minimum supported. + +We recommend upgrading to at least FreeType `2.10.4`_, which fixed a severe +vulnerability introduced in FreeType 2.6 (:cve:`CVE-2020-15999`). + +.. _2.10.4: https://sourceforge.net/projects/freetype/files/freetype2/2.10.4/ + +Makefile +^^^^^^^^ + +The ``install-venv`` target has been deprecated. + +API Additions +============= + +Append images to ICO +^^^^^^^^^^^^^^^^^^^^ + +When saving an ICO image, the file may contain versions of the image at different +sizes. By default, Pillow will scale down the main image to create these copies. + +With this release, a list of images can be provided to the ``append_images`` parameter +when saving, to replace the scaled down versions. This is the same functionality that +already exists for the ICNS format. + +Security +======== + +This release includes security fixes. + +* An out-of-bounds read when saving TIFFs with custom metadata through LibTIFF +* An out-of-bounds read when saving a GIF of 1px width +* :cve:`CVE-2020-35653` Buffer read overrun in PCX decoding + +The PCX image decoder used the reported image stride to calculate the row buffer, +rather than calculating it from the image size. This issue dates back to the PIL fork. +Thanks to Google's `OSS-Fuzz`_ project for finding this. + +* :cve:`CVE-2020-35654` Fix TIFF out-of-bounds write error + +Out-of-bounds write in ``TiffDecode.c`` when reading corrupt YCbCr files in some +LibTIFF versions (4.1.0/Ubuntu 20.04, but not 4.0.9/Ubuntu 18.04). In some cases +LibTIFF's interpretation of the file is different when reading in RGBA mode, leading to +an out-of-bounds write in ``TiffDecode.c``. This potentially affects Pillow versions +from 6.0.0 to 8.0.1, depending on the version of LibTIFF. This was reported through +`Tidelift`_. + +* :cve:`CVE-2020-35655` Fix for SGI Decode buffer overrun + +4 byte read overflow in ``SgiRleDecode.c``, where the code was not correctly checking the +offsets and length tables. Independently reported through `Tidelift`_ and Google's +`OSS-Fuzz`_. This vulnerability covers Pillow versions 4.3.0->8.0.1. + +.. _Tidelift: https://tidelift.com/subscription/pkg/pypi-pillow?utm_source=pillow&utm_medium=referral&utm_campaign=docs +.. _OSS-Fuzz: https://github.com/google/oss-fuzz + +Dependencies +^^^^^^^^^^^^ + +OpenJPEG in the macOS and Linux wheels has been updated from 2.3.1 to 2.4.0, including +security fixes. + +LibTIFF in the macOS and Linux wheels has been updated from 4.1.0 to 4.2.0, including +security fixes discovered by fuzzers. + +Other Changes +============= + +Makefile +^^^^^^^^ + +The ``co`` target has been removed. + +PyPy wheels +^^^^^^^^^^^ + +Wheels have been added for PyPy 3.7. + +PySide6 +^^^^^^^ + +Support has been added for PySide6. If it is installed, it will be used instead of +PyQt5 or PySide2, since it is based on a newer Qt. diff --git a/docs/releasenotes/8.1.1.rst b/docs/releasenotes/8.1.1.rst new file mode 100644 index 00000000000..4081c49ca5c --- /dev/null +++ b/docs/releasenotes/8.1.1.rst @@ -0,0 +1,27 @@ +8.1.1 +----- + +Security +======== + +:cve:`CVE-2021-25289`: The previous fix for :cve:`CVE-2020-35654` was insufficient +due to incorrect error checking in ``TiffDecode.c``. + +:cve:`CVE-2021-25290`: In ``TiffDecode.c``, there is a negative-offset ``memcpy`` +with an invalid size. + +:cve:`CVE-2021-25291`: In ``TiffDecode.c``, invalid tile boundaries could lead to +an out-of-bounds read in ``TIFFReadRGBATile``. + +:cve:`CVE-2021-25292`: The PDF parser has a catastrophic backtracking regex +that could be used as a DOS attack. + +:cve:`CVE-2021-25293`: There is an out-of-bounds read in ``SgiRleDecode.c``, +since Pillow 4.3.0. + + +Other Changes +============= + +A crash with the feature flags for libimagequant, libjpeg-turbo, WebP and XCB on +unreleased Python 3.10 has been fixed (:issue:`5193`). diff --git a/docs/releasenotes/8.1.2.rst b/docs/releasenotes/8.1.2.rst new file mode 100644 index 00000000000..50d132f3337 --- /dev/null +++ b/docs/releasenotes/8.1.2.rst @@ -0,0 +1,12 @@ +8.1.2 +----- + +Security +======== + +There is an exhaustion of memory DOS in the BLP (:cve:`CVE-2021-27921`), +ICNS (:cve:`CVE-2021-27922`) and ICO (:cve:`CVE-2021-27923`) container formats +where Pillow did not properly check the reported size of the contained image. +These images could cause arbitrarily large memory allocations. This was reported +by Jiayi Lin, Luke Shaffer, Xinran Xie, and Akshay Ajayan of +`Arizona State University `_. diff --git a/docs/releasenotes/8.2.0.rst b/docs/releasenotes/8.2.0.rst new file mode 100644 index 00000000000..c902ccf71fb --- /dev/null +++ b/docs/releasenotes/8.2.0.rst @@ -0,0 +1,230 @@ +8.2.0 +----- + +Deprecations +============ + +Categories +^^^^^^^^^^ + +``im.category`` is deprecated and will be removed in Pillow 10.0.0 (2023-07-01), +along with the related ``Image.NORMAL``, ``Image.SEQUENCE`` and +``Image.CONTAINER`` attributes. + +To determine if an image has multiple frames or not, +``getattr(im, "is_animated", False)`` can be used instead. + +Tk/Tcl 8.4 +^^^^^^^^^^ + +Support for Tk/Tcl 8.4 is deprecated and will be removed in Pillow 10.0.0 (2023-07-01), +when Tk/Tcl 8.5 will be the minimum supported. + +API Changes +=========== + +Image.alpha_composite: dest +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +When calling :py:meth:`~PIL.Image.Image.alpha_composite`, the ``dest`` argument now +accepts negative co-ordinates, like the upper left corner of the ``box`` argument of +:py:meth:`~PIL.Image.Image.paste` can be negative. Naturally, this has effect of +cropping the overlaid image. + +Image.getexif: EXIF and GPS IFD +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Previously, :py:meth:`~PIL.Image.Image.getexif` flattened the EXIF IFD into the rest of +the data, losing information. This information is now kept separate, moved under +``im.getexif().get_ifd(0x8769)``. + +Direct access to the GPS IFD dictionary was possible through ``im.getexif()[0x8825]``. +This is now consistent with other IFDs, and must be accessed through +``im.getexif().get_ifd(0x8825)``. + +These changes only affect :py:meth:`~PIL.Image.Image.getexif`, introduced in Pillow +6.0. The older ``_getexif()`` methods are unaffected. + +Image._MODEINFO +^^^^^^^^^^^^^^^ + +This internal dictionary had been deprecated by a comment since PIL, and is now +removed. Instead, ``Image.getmodebase()``, ``Image.getmodetype()``, +``Image.getmodebandnames()``, ``Image.getmodebands()`` or ``ImageMode.getmode()`` +can be used. + +API Additions +============= + +getxmp() for JPEG images +^^^^^^^^^^^^^^^^^^^^^^^^ + +A new method has been added to return +`XMP data `_ for JPEG +images. It reads the XML data into a dictionary of names and values. + +For example:: + + >>> from PIL import Image + >>> with Image.open("Tests/images/xmp_test.jpg") as im: + >>> print(im.getxmp()) + {'RDF': {}, 'Description': {'Version': '10.4', 'ProcessVersion': '10.0', ...}, ...} + +ImageDraw.rounded_rectangle +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Added :py:meth:`~PIL.ImageDraw.ImageDraw.rounded_rectangle`. It works the same as +:py:meth:`~PIL.ImageDraw.ImageDraw.rectangle`, except with an additional ``radius`` +argument. ``radius`` is limited to half of the width or the height, so that users can +create a circle, but not any other ellipse. + +.. code-block:: python + + from PIL import Image, ImageDraw + im = Image.new("RGB", (200, 200)) + draw = ImageDraw.Draw(im) + draw.rounded_rectangle(xy=(10, 20, 190, 180), radius=30, fill="red") + +ImageOps.autocontrast: preserve_tone +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The default behaviour of :py:meth:`~PIL.ImageOps.autocontrast` is to normalize +separate histograms for each color channel, changing the tone of the image. The new +``preserve_tone`` argument keeps the tone unchanged by using one luminance histogram +for all channels. + +ImageShow.GmDisplayViewer +^^^^^^^^^^^^^^^^^^^^^^^^^ + +If GraphicsMagick is present, this new :py:class:`PIL.ImageShow.Viewer` subclass will +be registered. It uses GraphicsMagick_, an ImageMagick_ fork, to display images. + +The GraphicsMagick based viewer has a lower priority than its ImageMagick +counterpart. Thus, if both ImageMagick and GraphicsMagick are installed, +``im.show()`` and :py:func:`.ImageShow.show()` prefer the viewer based on +ImageMagick, i.e the behaviour stays the same for Pillow users having +ImageMagick installed. + +ImageShow.IPythonViewer +^^^^^^^^^^^^^^^^^^^^^^^ + +If IPython is present, this new :py:class:`PIL.ImageShow.Viewer` subclass will be +registered. It displays images on all IPython frontends. This will be helpful +to users of Google Colab, allowing ``im.show()`` to display images. + +It is lower in priority than the other default :py:class:`PIL.ImageShow.Viewer` +instances, so it will only be used by ``im.show()`` or :py:func:`.ImageShow.show()` +if none of the other viewers are available. This means that the behaviour of +:py:class:`PIL.ImageShow` will stay the same for most Pillow users. + +Saving TIFF with ICC profile +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +As is already possible for JPEG, PNG and WebP, the ICC profile for TIFF files can now +be specified through a keyword argument:: + + im.save("out.tif", icc_profile=...) + + +Security +======== + +These were all found with `OSS-Fuzz`_. + +:cve:`CVE-2021-25287`, :cve:`CVE-2021-25288`: Fix OOB read in Jpeg2KDecode +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* For J2k images with multiple bands, it's legal to have different widths for each band, + e.g. 1 byte for ``L``, 4 bytes for ``A``. +* This dates to Pillow 2.4.0. + +:cve:`CVE-2021-28675`: Fix DOS in PsdImagePlugin +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* :py:class:`.PsdImagePlugin.PsdImageFile` did not sanity check the number of input + layers with regard to the size of the data block, this could lead to a + denial-of-service on :py:meth:`~PIL.Image.open` prior to + :py:meth:`~PIL.Image.Image.load`. +* This dates to the PIL fork. + +:cve:`CVE-2021-28676`: Fix FLI DOS +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* ``FliDecode.c`` did not properly check that the block advance was non-zero, + potentially leading to an infinite loop on load. +* This dates to the PIL fork. + +:cve:`CVE-2021-28677`: Fix EPS DOS on _open +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* The readline used in EPS has to deal with any combination of ``\r`` and ``\n`` as line + endings. It accidentally used a quadratic method of accumulating lines while looking + for a line ending. +* A malicious EPS file could use this to perform a denial-of-service of Pillow in the + open phase, before an image was accepted for opening. +* This dates to the PIL fork. + +:cve:`CVE-2021-28678`: Fix BLP DOS +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* ``BlpImagePlugin`` did not properly check that reads after jumping to file offsets + returned data. This could lead to a denial-of-service where the decoder could be run a + large number of times on empty data. +* This dates to Pillow 5.1.0. + +Fix memory DOS in ImageFont +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* A corrupt or specially crafted TTF font could have font metrics that lead to + unreasonably large sizes when rendering text in font. ``ImageFont.py`` did not check + the image size before allocating memory for it. +* This dates to the PIL fork. + +Other Changes +============= + +GIF writer uses LZW encoding +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +GIF files are now written using LZW encoding, which will generate smaller files, +typically about 70% of the size generated by the older encoder. + +The pixel data is encoded using the format specified in the `CompuServe GIF standard +`_. + +The older encoder used a variant of run-length encoding that was compatible but less +efficient. + +GraphicsMagick +^^^^^^^^^^^^^^ + +The test suite can now be run on systems which have GraphicsMagick_ but not +ImageMagick_ installed. If both are installed, the tests prefer ImageMagick. + +Libraqm and FriBiDi linking +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The way the libraqm dependency for complex text scripts is linked has been changed: + +Source builds will now link against the system version of libraqm at build time +rather than at runtime by default. + +Binary wheels now include a statically linked modified version of libraqm that +links against FriBiDi at runtime instead. This change is intended to address +issues with the previous implementation on some platforms. These are created +by building Pillow with the new build flags ``--vendor-raqm --vendor-fribidi``. + +Windows users will now need to install ``fribidi.dll`` (or ``fribidi-0.dll``) only, +``libraqm.dll`` is no longer used. + +See :doc:`installation documentation<../installation>` for more information. + +PyQt6 +^^^^^ + +Support has been added for PyQt6. If it is installed, it will be used instead of +PySide6, PyQt5 or PySide2. + +.. _GraphicsMagick: http://www.graphicsmagick.org/ +.. _ImageMagick: https://imagemagick.org/ +.. _OSS-Fuzz: https://github.com/google/oss-fuzz diff --git a/docs/releasenotes/8.3.0.rst b/docs/releasenotes/8.3.0.rst new file mode 100644 index 00000000000..0bfead14470 --- /dev/null +++ b/docs/releasenotes/8.3.0.rst @@ -0,0 +1,113 @@ +8.3.0 +----- + +Deprecations +============ + +JpegImagePlugin.convert_dict_qtables +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +JPEG ``quantization`` is now automatically converted, but still returned as a +dictionary. The :py:attr:`~PIL.JpegImagePlugin.convert_dict_qtables` method no longer +performs any operations on the data given to it, has been deprecated and will be +removed in Pillow 10.0.0 (2023-07-01). + +API Changes +=========== + +Changed WebP default "method" value when saving +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Previously, it was 0, for the best speed. The default has now been changed to 4, to +match WebP's default, for higher quality with still some speed optimisation. + +Default resampling filter for special image modes +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow 7.0 changed the default resampling filter to ``Image.BICUBIC``. However, as this +is not supported yet for images with a custom number of bits, the default filter for +those modes has been reverted to ``Image.NEAREST``. + +ImageMorph incorrect mode errors +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +For ``apply()``, ``match()`` and ``get_on_pixels()``, if the image mode is not L, an +:py:exc:`Exception` was thrown. This has now been changed to a :py:exc:`ValueError`. + +getxmp() +^^^^^^^^ + +`XMP data `_ can now be +returned for PNG and TIFF images, through ``getxmp()`` for each format. + +The returned dictionary will start from the base of the XML, meaning that the top level +should contain an "xmpmeta" key. JPEG's ``getxmp()`` method has also been updated to +this structure. + +TIFF getexif() +^^^^^^^^^^^^^^ + +TIFF :py:attr:`~PIL.TiffImagePlugin.TiffImageFile.tag_v2` data can now be accessed +through :py:meth:`~PIL.Image.Image.getexif`. This also provides access to the GPS and +EXIF IFDs, through ``im.getexif().get_ifd(0x8825)`` and +``im.getexif().get_ifd(0x8769)`` respectively. + +API Additions +============= + +ImageOps.contain +^^^^^^^^^^^^^^^^ + +Returns a resized version of the image, set to the maximum width and height within +``size``, while maintaining the original aspect ratio. + +To compare it to other ImageOps methods: + +- :py:meth:`~PIL.ImageOps.fit` expands an image until is fills ``size``, cropping the + parts of the image that do not fit. +- :py:meth:`~PIL.ImageOps.pad` expands an image to fill ``size``, without cropping, but + instead filling the extra space with ``color``. +- :py:meth:`~PIL.ImageOps.contain` is similar to :py:meth:`~PIL.ImageOps.pad`, but it + does not fill the extra space. Instead, the original aspect ratio is maintained. So + unlike the other two methods, it is not guaranteed to return an image of ``size``. + +ICO saving: bitmap_format argument +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +By default, Pillow saves ICO files in the PNG format. They can now also be saved in BMP +format, through the new ``bitmap_format`` argument:: + + im.save("out.ico", bitmap_format="bmp") + +Security +======== + +Buffer overflow +^^^^^^^^^^^^^^^ + +This release addresses :cve:`CVE-2021-34552`. PIL since 1.1.4 and Pillow since 1.0 +allowed parameters passed into a convert function to trigger buffer overflow in +Convert.c. + +Parsing XML +^^^^^^^^^^^ + +Pillow previously parsed XMP data using Python's ``xml`` module. However, this module +is not secure. + +- :py:meth:`~PIL.Image.Image.getexif` has used ``xml`` to potentially retrieve + orientation data since Pillow 7.2.0. It has been refactored to use ``re`` instead. +- :py:meth:`~PIL.JpegImagePlugin.JpegImageFile.getxmp` was added in Pillow 8.2.0. It + will now use ``defusedxml`` instead. If the dependency is not present, an empty + dictionary will be returned and a warning raised. + +Other Changes +============= + +Added DDS BC5 reading and uncompressed saving +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Support has been added to read the BC5 format of DDS images, whether UNORM, SNORM or +TYPELESS. + +Support has also been added to write the uncompressed format of DDS images. diff --git a/docs/releasenotes/8.3.1.rst b/docs/releasenotes/8.3.1.rst new file mode 100644 index 00000000000..e97070c111c --- /dev/null +++ b/docs/releasenotes/8.3.1.rst @@ -0,0 +1,40 @@ +8.3.1 +----- + +Fixed regression converting to NumPy arrays +=========================================== + +This fixes a regression introduced in 8.3.0 when converting an image to a NumPy array +with a ``dtype`` argument. + +.. code-block:: pycon + + >>> from PIL import Image + >>> import numpy + >>> im = Image.new("RGB", (100, 100)) + >>> numpy.array(im, dtype=numpy.float64) + Traceback (most recent call last): + File "", line 1, in + TypeError: __array__() takes 1 positional argument but 2 were given + >>> + +Catch OSError when checking if destination is sys.stdout +======================================================== + +In 8.3.0, a check to see if the destination was ``sys.stdout`` when saving an image was +updated. This lead to an OSError being raised if the environment restricted access. + +The OSError is now silently caught. + +Fixed removing orientation in ImageOps.exif_transpose +===================================================== + +In 8.3.0, :py:meth:`~PIL.ImageOps.exif_transpose` was changed to ensure that the +original image EXIF data was not modified, and the orientation was only removed from +the modified copy. + +However, for certain images the orientation was already missing from the modified +image, leading to a KeyError. + +This error has been resolved, and the copying of metadata to the modified image +improved. diff --git a/docs/releasenotes/8.3.2.rst b/docs/releasenotes/8.3.2.rst new file mode 100644 index 00000000000..6b5c759fc0a --- /dev/null +++ b/docs/releasenotes/8.3.2.rst @@ -0,0 +1,41 @@ +8.3.2 +----- + +Security +======== + +* :cve:`CVE-2021-23437`: Avoid a potential ReDoS (regular expression denial of service) + in :py:class:`~PIL.ImageColor`'s :py:meth:`~PIL.ImageColor.getrgb` by raising + :py:exc:`ValueError` if the color specifier is too long. Present since Pillow 5.2.0. + +* Fix 6-byte out-of-bounds (OOB) read. The previous bounds check in ``FliDecode.c`` + incorrectly calculated the required read buffer size when copying a chunk, potentially + reading six extra bytes off the end of the allocated buffer from the heap. Present + since Pillow 7.1.0. This bug was found by Google's `OSS-Fuzz`_ `CIFuzz`_ runs. + +Other Changes +============= + +Python 3.10 wheels +^^^^^^^^^^^^^^^^^^ + +Pillow now includes binary wheels for Python 3.10. + +The Python 3.10 release candidate was released on 2021-08-03 with the final release due +2021-10-04 (:pep:`619`). The CPython core team strongly encourages maintainers of +third-party Python projects to prepare for 3.10 compatibility. And as there are `no ABI +changes`_ planned we are releasing wheels to help others prepare for 3.10, and ensure +Pillow can be used immediately on release day of 3.10.0 final. + +Fixed regressions +^^^^^^^^^^^^^^^^^ + +* Ensure TIFF ``RowsPerStrip`` is multiple of 8 for JPEG compression (:pr:`5588`). + +* Updates for :py:class:`~PIL.ImagePalette` channel order (:pr:`5599`). + +* Hide FriBiDi shim symbols to avoid conflict with real FriBiDi library (:pr:`5651`). + +.. _OSS-Fuzz: https://github.com/google/oss-fuzz +.. _CIFuzz: https://google.github.io/oss-fuzz/getting-started/continuous-integration/ +.. _no ABI changes: https://www.python.org/downloads/release/python-3100rc1/ diff --git a/docs/releasenotes/8.4.0.rst b/docs/releasenotes/8.4.0.rst new file mode 100644 index 00000000000..9becf91465e --- /dev/null +++ b/docs/releasenotes/8.4.0.rst @@ -0,0 +1,53 @@ +8.4.0 +----- + +API Changes +=========== + +Deprecations +^^^^^^^^^^^^ + +ImagePalette size parameter +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The ``size`` parameter will be removed in Pillow 10.0.0 (2023-07-01). + +Before Pillow 8.3.0, ``ImagePalette`` required palette data of particular lengths by +default, and the size parameter could be used to override that. Pillow 8.3.0 removed +the default required length, also removing the need for the size parameter. + +API Additions +============= + +Added "transparency" argument for loading EPS images +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +This new argument switches the Ghostscript device from "ppmraw" to "pngalpha", +generating an RGBA image with a transparent background instead of an RGB image with a +white background. + +.. code-block:: python + + with Image.open("sample.eps") as im: + im.load(transparency=True) + +Added WalImageFile class +^^^^^^^^^^^^^^^^^^^^^^^^ + +:py:func:`PIL.WalImageFile.open()` previously returned a generic +:py:class:`PIL.Image.Image` instance. It now returns a dedicated +:py:class:`PIL.WalImageFile.WalImageFile` class. + +Other Changes +============= + +Speed improvement when rotating square images +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Starting with Pillow 3.3.0, the speed of rotating images by 90 or 270 degrees was +improved by quickly returning :py:meth:`~PIL.Image.Image.transpose` instead, if the +rotate operation allowed for expansion and did not specify a center or post-rotate +translation. + +Since the ``expand`` flag makes no difference for square images though, Pillow now +uses this faster method for square images without the ``expand`` flag as well. diff --git a/docs/releasenotes/9.0.0.rst b/docs/releasenotes/9.0.0.rst new file mode 100644 index 00000000000..947ccd849e3 --- /dev/null +++ b/docs/releasenotes/9.0.0.rst @@ -0,0 +1,171 @@ +9.0.0 +----- + +Fredrik Lundh +============= + +This release is dedicated to the memory of Fredrik Lundh, aka Effbot, who died in +November 2021. Fredrik created PIL in 1995 and he was instrumental in the early +success of Python. + +`Guido wrote `_: + + Fredrik was an early Python contributor (e.g. Elementtree and the 're' + module) and his enthusiasm for the language and community were inspiring + for all who encountered him or his work. He spent countless hours on + comp.lang.python answering questions from newbies and advanced users alike. + + He also co-founded an early Python startup, Secret Labs AB, which among + other software released an IDE named PythonWorks. Fredrik also created the + Python Imaging Library (PIL) which is still THE way to interact with images + in Python, now most often through its Pillow fork. His effbot.org site was + a valuable resource for generations of Python users, especially its Tkinter + documentation. + +Thank you, Fredrik. + +Backwards Incompatible Changes +============================== + +Python 3.6 +^^^^^^^^^^ + +Pillow has dropped support for Python 3.6, which reached end-of-life on 2021-12-23. + +PILLOW_VERSION constant +^^^^^^^^^^^^^^^^^^^^^^^ + +``PILLOW_VERSION`` has been removed. Use ``__version__`` instead. + +FreeType 2.7 +^^^^^^^^^^^^ + +Support for FreeType 2.7 has been removed; FreeType 2.8 is the minimum supported. + +We recommend upgrading to at least `FreeType`_ 2.10.4, which fixed a severe +vulnerability introduced in FreeType 2.6 (:cve:`CVE-2020-15999`). + +.. _FreeType: https://www.freetype.org + +Image.show command parameter +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The ``command`` parameter has been removed. Use a subclass of +:py:class:`PIL.ImageShow.Viewer` instead. + +Image._showxv +^^^^^^^^^^^^^ + +``Image._showxv`` has been removed. Use :py:meth:`~PIL.Image.Image.show` +instead. If custom behaviour is required, use :py:meth:`~PIL.ImageShow.register` to add +a custom :py:class:`~PIL.ImageShow.Viewer` class. + +ImageFile.raise_ioerror +^^^^^^^^^^^^^^^^^^^^^^^ + +``IOError`` was merged into ``OSError`` in Python 3.3. So, ``ImageFile.raise_ioerror`` +has been removed. Use ``ImageFile.raise_oserror`` instead. + + +API Changes +=========== + +Added line width parameter to ImageDraw polygon +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +An optional line ``width`` parameter has been added to ``ImageDraw.Draw.polygon``. + + +API Additions +============= + +ImageShow.XDGViewer +^^^^^^^^^^^^^^^^^^^ + +If ``xdg-open`` is present on Linux, this new :py:class:`PIL.ImageShow.Viewer` subclass +will be registered. It displays images using the application selected by the system. + +It is higher in priority than the other default :py:class:`PIL.ImageShow.Viewer` +instances, so it will be preferred by ``im.show()`` or :py:func:`.ImageShow.show()`. + +Added support for "title" argument to DisplayViewer +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Support has been added for the "title" argument in +:py:class:`~PIL.ImageShow.UnixViewer.DisplayViewer`, so that when ``im.show()`` or +:py:func:`.ImageShow.show()` use the ``display`` command line tool, the "title" +argument will also now be supported, e.g. ``im.show(title="My Image")`` and +``ImageShow.show(im, title="My Image")``. + +Security +======== + +Ensure JpegImagePlugin stops at the end of a truncated file +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +``JpegImagePlugin`` may append an EOF marker to the end of a truncated file, so that +the last segment of the data will still be processed by the decoder. + +If the EOF marker is not detected as such however, this could lead to an infinite +loop where ``JpegImagePlugin`` keeps trying to end the file. + +Remove consecutive duplicate tiles that only differ by their offset +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +To prevent attempts to slow down loading times for images, if an image has consecutive +duplicate tiles that only differ by their offset, only load the last tile. Credit to +Google's `OSS-Fuzz`_ project for finding this issue. + +Restrict builtins available to ImageMath.eval +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +:cve:`CVE-2022-22817`: To limit :py:class:`PIL.ImageMath` to working with images, Pillow +will now restrict the builtins available to :py:meth:`PIL.ImageMath.eval`. This will +help prevent problems arising if users evaluate arbitrary expressions, such as +``ImageMath.eval("exec(exit())")``. + +Fixed ImagePath.Path array handling +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +:cve:`CVE-2022-22815` (:cwe:`CWE-126`) and :cve:`CVE-2022-22816` (:cwe:`CWE-665`) were +found when initializing ``ImagePath.Path``. + +.. _OSS-Fuzz: https://github.com/google/oss-fuzz + +Other Changes +============= + +Convert subsequent GIF frames to RGB or RGBA +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Since each frame of a GIF can have up to 256 colors, after the first frame it is +possible for there to be too many colors to fit in a P mode image. To allow for this, +seeking to any subsequent GIF frame will now convert the image to RGB or RGBA, +depending on whether or not the first frame had transparency. + +Switched to libjpeg-turbo in macOS and Linux wheels +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The Pillow wheels from PyPI for macOS and Linux have switched from libjpeg to +libjpeg-turbo. It is a fork of libjpeg, popular for its speed. + +Added support for pickling TrueType fonts +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +TrueType fonts may now be pickled and unpickled. For example: + +.. code-block:: python + + import pickle + from PIL import ImageFont + + font = ImageFont.truetype("arial.ttf", size=30) + pickled_font = pickle.dumps(font, protocol=pickle.HIGHEST_PROTOCOL) + + # Later... + unpickled_font = pickle.loads(pickled_font) + +Added support for additional TGA orientations +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +TGA images with top right or bottom right orientations are now supported. diff --git a/docs/releasenotes/9.0.1.rst b/docs/releasenotes/9.0.1.rst new file mode 100644 index 00000000000..5d1b246bce9 --- /dev/null +++ b/docs/releasenotes/9.0.1.rst @@ -0,0 +1,23 @@ +9.0.1 +----- + +Security +======== + +This release addresses several security problems. + +:cve:`CVE-2022-24303`: If the path to the temporary directory on Linux or macOS +contained a space, this would break removal of the temporary image file after +``im.show()`` (and related actions), and potentially remove an unrelated file. This +been present since PIL. + +:cve:`CVE-2022-22817`: While Pillow 9.0 restricted top-level builtins available to +:py:meth:`PIL.ImageMath.eval`, it did not prevent builtins available to lambda +expressions. These are now also restricted. + +Other Changes +============= + +Pillow 9.0 added support for ``xdg-open`` as an image viewer, but there have been +reports that the temporary image file was removed too quickly to be loaded into the +final application. A delay has been added. diff --git a/docs/releasenotes/index.rst b/docs/releasenotes/index.rst index 8c484af4473..e9b11c220e8 100644 --- a/docs/releasenotes/index.rst +++ b/docs/releasenotes/index.rst @@ -1,11 +1,53 @@ Release Notes ============= +Pillow is released quarterly on January 2nd, April 1st, July 1st and October 15th. +Patch releases are created if the latest release contains severe bugs, or if security +fixes are put together before a scheduled release. See :ref:`versioning` for more +information. + +Please use the latest version of Pillow. Functionality and security fixes should not be +expected to be backported to earlier versions. + .. note:: Contributors please include release notes as needed or appropriate with your bug fixes, feature additions and tests. .. toctree:: :maxdepth: 2 + 9.0.1 + 9.0.0 + 8.4.0 + 8.3.2 + 8.3.1 + 8.3.0 + 8.2.0 + 8.1.2 + 8.1.1 + 8.1.0 + 8.0.1 + 8.0.0 + 7.2.0 + 7.1.2 + 7.1.1 + 7.1.0 + 7.0.0 + 6.2.2 + 6.2.1 + 6.2.0 + 6.1.0 + 6.0.0 + 5.4.1 + 5.4.0 + 5.3.0 + 5.2.0 + 5.1.0 + 5.0.0 + 4.3.0 + 4.2.1 + 4.2.0 + 4.1.1 + 4.1.0 + 4.0.0 3.4.0 3.3.2 3.3.0 @@ -16,5 +58,4 @@ Release Notes 3.0.0 2.8.0 2.7.0 - - + versioning diff --git a/docs/releasenotes/template.rst b/docs/releasenotes/template.rst new file mode 100644 index 00000000000..f7271ae2bf8 --- /dev/null +++ b/docs/releasenotes/template.rst @@ -0,0 +1,48 @@ +x.y.z +----- + +Backwards Incompatible Changes +============================== + +TODO +^^^^ + +Deprecations +============ + +TODO +^^^^ + +TODO + +API Changes +=========== + +TODO +^^^^ + +TODO + +API Additions +============= + +TODO +^^^^ + +TODO + +Security +======== + +TODO +^^^^ + +TODO + +Other Changes +============= + +TODO +^^^^ + +TODO diff --git a/docs/releasenotes/versioning.rst b/docs/releasenotes/versioning.rst new file mode 100644 index 00000000000..87f2ba422b3 --- /dev/null +++ b/docs/releasenotes/versioning.rst @@ -0,0 +1,30 @@ +.. _versioning: + +Versioning +========== + +Pillow follows `Semantic Versioning `_: + + Given a version number MAJOR.MINOR.PATCH, increment the: + + 1. MAJOR version when you make incompatible API changes, + 2. MINOR version when you add functionality in a backwards compatible manner, and + 3. PATCH version when you make backwards compatible bug fixes. + +Quarterly releases ("`Main Release `_") +bump at least the MINOR version, as new functionality has likely been added in the +prior three months. + +A quarterly release bumps the MAJOR version when incompatible API changes are +made, such as removing deprecated APIs or dropping an EOL Python version. In practice, +these occur every 12-18 months, guided by +`Python's EOL schedule `_, and +any APIs that have been deprecated for at least a year are removed at the same time. + +PATCH versions ("`Point Release `_" +or "`Embargoed Release `_") +are for security, installation or critical bug fixes. These are less common as it is +preferred to stick to quarterly releases. + +Between quarterly releases, ``.dev0`` is appended to the ``main`` branch, indicating that +this is not a formally released copy. diff --git a/docs/resources/anchor_horizontal.svg b/docs/resources/anchor_horizontal.svg new file mode 100644 index 00000000000..a0648a10cb8 --- /dev/null +++ b/docs/resources/anchor_horizontal.svg @@ -0,0 +1,467 @@ + + + + + Pillow horizontal text anchors + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + image/svg+xml + + Pillow horizontal text anchors + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + (d) descender + (s) baseline + (a) ascender + (m) middle + (t) top + (b) bottom + (l) left + (r) right + (m) middle + + + Horizontal text + + diff --git a/docs/resources/anchor_vertical.svg b/docs/resources/anchor_vertical.svg new file mode 100644 index 00000000000..95da30ffde2 --- /dev/null +++ b/docs/resources/anchor_vertical.svg @@ -0,0 +1,841 @@ + + + + + Pillow vertical text anchors + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + image/svg+xml + + Pillow vertical text anchors + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + (l)left + (s) baseline + (r)right + (t) top + (m) middle + (b) bottom + (m)middle + (l)left + (s) baseline + (r)right + (t) top + (m) middle + (b) bottom + (m)middle + + + Verticaltext + + diff --git a/docs/resources/css/dark.css b/docs/resources/css/dark.css new file mode 100644 index 00000000000..8866c07eabd --- /dev/null +++ b/docs/resources/css/dark.css @@ -0,0 +1,1996 @@ +@media (prefers-color-scheme: dark) { + html { + background-color: #181a1b !important; + } + + html, body, input, textarea, select, button { + background-color: #181a1b; + } + + html, body, input, textarea, select, button { + border-color: #736b5e; + color: #e8e6e3; + } + + a { + color: #3391ff; + } + + table { + border-color: #545b5e; + } + + ::placeholder { + color: #b2aba1; + } + + input:-webkit-autofill, + textarea:-webkit-autofill, + select:-webkit-autofill { + background-color: #555b00 !important; + color: #e8e6e3 !important; + } + + ::selection { + background-color: #004daa !important; + color: #e8e6e3 !important; + } + + ::-moz-selection { + background-color: #004daa !important; + color: #e8e6e3 !important; + } + + /* Invert Style */ + .jfk-bubble.gtx-bubble, embed[type="application/pdf"] { + filter: invert(100%) hue-rotate(180deg) contrast(90%) !important; + } + + /* Override Style */ + .vimvixen-hint { + background-color: #7b5300 !important; + border-color: #d8b013 !important; + color: #f3e8c8 !important; + } + + ::placeholder { + opacity: 0.5 !important; + } + + /* Variables Style */ + :root { + --darkreader-neutral-background: #181a1b; + --darkreader-neutral-text: #e8e6e3; + --darkreader-selection-background: #004daa; + --darkreader-selection-text: #e8e6e3; + } + + /* Modified CSS */ + a:hover, + a:active { + outline-color: initial; + } + + abbr[title] { + border-bottom-color: initial; + } + + ins { + background-image: initial; + background-color: rgb(112, 112, 0); + color: rgb(232, 230, 227); + text-decoration-color: initial; + } + + mark { + background-image: initial; + background-color: rgb(204, 204, 0); + color: rgb(232, 230, 227); + } + + ul, + ol, + dl { + list-style-image: none; + } + + li { + list-style-image: initial; + } + + img { + border-color: initial; + } + + fieldset { + border-color: initial; + } + + legend { + border-color: initial; + } + + .chromeframe { + background-image: initial; + background-color: rgb(53, 57, 59); + color: rgb(232, 230, 227); + } + + .ir { + border-color: initial; + background-color: transparent; + } + + .visuallyhidden { + border-color: initial; + } + + .fa-border { + border-color: rgb(53, 57, 59); + } + + .fa-inverse { + color: rgb(232, 230, 227); + } + + .sr-only { + border-color: initial; + } + + .fa::before, + .wy-menu-vertical li span.toctree-expand::before, + .wy-menu-vertical li.on a span.toctree-expand::before, + .wy-menu-vertical li.current > a span.toctree-expand::before, + .rst-content .admonition-title::before, + .rst-content h1 .headerlink::before, + .rst-content h2 .headerlink::before, + .rst-content h3 .headerlink::before, + .rst-content h4 .headerlink::before, + .rst-content h5 .headerlink::before, + .rst-content h6 .headerlink::before, + .rst-content dl dt .headerlink::before, + .rst-content p.caption .headerlink::before, + .rst-content table > caption .headerlink::before, + .rst-content .code-block-caption .headerlink::before, + .rst-content tt.download span:first-child::before, + .rst-content code.download span:first-child::before, + .icon::before, + .wy-dropdown .caret::before, + .wy-inline-validate.wy-inline-validate-success .wy-input-context::before, + .wy-inline-validate.wy-inline-validate-danger .wy-input-context::before, + .wy-inline-validate.wy-inline-validate-warning .wy-input-context::before, + .wy-inline-validate.wy-inline-validate-info .wy-input-context::before { + text-decoration-color: inherit; + } + + a .fa, + a .wy-menu-vertical li span.toctree-expand, + .wy-menu-vertical li a span.toctree-expand, + .wy-menu-vertical li.on a span.toctree-expand, + .wy-menu-vertical li.current > a span.toctree-expand, + a .rst-content .admonition-title, + .rst-content a .admonition-title, + a .rst-content h1 .headerlink, + .rst-content h1 a .headerlink, + a .rst-content h2 .headerlink, + .rst-content h2 a .headerlink, + a .rst-content h3 .headerlink, + .rst-content h3 a .headerlink, + a .rst-content h4 .headerlink, + .rst-content h4 a .headerlink, + a .rst-content h5 .headerlink, + .rst-content h5 a .headerlink, + a .rst-content h6 .headerlink, + .rst-content h6 a .headerlink, + a .rst-content dl dt .headerlink, + .rst-content dl dt a .headerlink, + a .rst-content p.caption .headerlink, + .rst-content p.caption a .headerlink, + a .rst-content table > caption .headerlink, + .rst-content table > caption a .headerlink, + a .rst-content .code-block-caption .headerlink, + .rst-content .code-block-caption a .headerlink, + a .rst-content tt.download span:first-child, + .rst-content tt.download a span:first-child, + a .rst-content code.download span:first-child, + .rst-content code.download a span:first-child, + a .icon { + text-decoration-color: inherit; + } + + .wy-alert, + .rst-content .note, + .rst-content .attention, + .rst-content .caution, + .rst-content .danger, + .rst-content .error, + .rst-content .hint, + .rst-content .important, + .rst-content .tip, + .rst-content .warning, + .rst-content .seealso, + .rst-content .admonition-todo, + .rst-content .admonition { + background-image: initial; + background-color: rgb(32, 35, 36); + } + + .wy-alert-title, + .rst-content .admonition-title { + color: rgb(232, 230, 227); + background-image: initial; + background-color: rgb(29, 91, 131); + } + + .wy-alert.wy-alert-danger, + .rst-content .wy-alert-danger.note, + .rst-content .wy-alert-danger.attention, + .rst-content .wy-alert-danger.caution, + .rst-content .danger, + .rst-content .error, + .rst-content .wy-alert-danger.hint, + .rst-content .wy-alert-danger.important, + .rst-content .wy-alert-danger.tip, + .rst-content .wy-alert-danger.warning, + .rst-content .wy-alert-danger.seealso, + .rst-content .wy-alert-danger.admonition-todo, + .rst-content .wy-alert-danger.admonition { + background-image: initial; + background-color: rgb(52, 12, 8); + } + + .wy-alert.wy-alert-danger .wy-alert-title, + .rst-content .wy-alert-danger.note .wy-alert-title, + .rst-content .wy-alert-danger.attention .wy-alert-title, + .rst-content .wy-alert-danger.caution .wy-alert-title, + .rst-content .danger .wy-alert-title, + .rst-content .error .wy-alert-title, + .rst-content .wy-alert-danger.hint .wy-alert-title, + .rst-content .wy-alert-danger.important .wy-alert-title, + .rst-content .wy-alert-danger.tip .wy-alert-title, + .rst-content .wy-alert-danger.warning .wy-alert-title, + .rst-content .wy-alert-danger.seealso .wy-alert-title, + .rst-content .wy-alert-danger.admonition-todo .wy-alert-title, + .rst-content .wy-alert-danger.admonition .wy-alert-title, + .wy-alert.wy-alert-danger .rst-content .admonition-title, + .rst-content .wy-alert.wy-alert-danger .admonition-title, + .rst-content .wy-alert-danger.note .admonition-title, + .rst-content .wy-alert-danger.attention .admonition-title, + .rst-content .wy-alert-danger.caution .admonition-title, + .rst-content .danger .admonition-title, + .rst-content .error .admonition-title, + .rst-content .wy-alert-danger.hint .admonition-title, + .rst-content .wy-alert-danger.important .admonition-title, + .rst-content .wy-alert-danger.tip .admonition-title, + .rst-content .wy-alert-danger.warning .admonition-title, + .rst-content .wy-alert-danger.seealso .admonition-title, + .rst-content .wy-alert-danger.admonition-todo .admonition-title, + .rst-content .wy-alert-danger.admonition .admonition-title { + background-image: initial; + background-color: rgb(108, 22, 13); + } + + .wy-alert.wy-alert-warning, + .rst-content .wy-alert-warning.note, + .rst-content .attention, + .rst-content .caution, + .rst-content .wy-alert-warning.danger, + .rst-content .wy-alert-warning.error, + .rst-content .wy-alert-warning.hint, + .rst-content .wy-alert-warning.important, + .rst-content .wy-alert-warning.tip, + .rst-content .warning, + .rst-content .wy-alert-warning.seealso, + .rst-content .admonition-todo, + .rst-content .wy-alert-warning.admonition { + background-image: initial; + background-color: rgb(82, 53, 0); + } + + .wy-alert.wy-alert-warning .wy-alert-title, + .rst-content .wy-alert-warning.note .wy-alert-title, + .rst-content .attention .wy-alert-title, + .rst-content .caution .wy-alert-title, + .rst-content .wy-alert-warning.danger .wy-alert-title, + .rst-content .wy-alert-warning.error .wy-alert-title, + .rst-content .wy-alert-warning.hint .wy-alert-title, + .rst-content .wy-alert-warning.important .wy-alert-title, + .rst-content .wy-alert-warning.tip .wy-alert-title, + .rst-content .warning .wy-alert-title, + .rst-content .wy-alert-warning.seealso .wy-alert-title, + .rst-content .admonition-todo .wy-alert-title, + .rst-content .wy-alert-warning.admonition .wy-alert-title, + .wy-alert.wy-alert-warning .rst-content .admonition-title, + .rst-content .wy-alert.wy-alert-warning .admonition-title, + .rst-content .wy-alert-warning.note .admonition-title, + .rst-content .attention .admonition-title, + .rst-content .caution .admonition-title, + .rst-content .wy-alert-warning.danger .admonition-title, + .rst-content .wy-alert-warning.error .admonition-title, + .rst-content .wy-alert-warning.hint .admonition-title, + .rst-content .wy-alert-warning.important .admonition-title, + .rst-content .wy-alert-warning.tip .admonition-title, + .rst-content .warning .admonition-title, + .rst-content .wy-alert-warning.seealso .admonition-title, + .rst-content .admonition-todo .admonition-title, + .rst-content .wy-alert-warning.admonition .admonition-title { + background-image: initial; + background-color: rgb(123, 65, 14); + } + + .wy-alert.wy-alert-info, + .rst-content .note, + .rst-content .wy-alert-info.attention, + .rst-content .wy-alert-info.caution, + .rst-content .wy-alert-info.danger, + .rst-content .wy-alert-info.error, + .rst-content .wy-alert-info.hint, + .rst-content .wy-alert-info.important, + .rst-content .wy-alert-info.tip, + .rst-content .wy-alert-info.warning, + .rst-content .seealso, + .rst-content .wy-alert-info.admonition-todo, + .rst-content .wy-alert-info.admonition { + background-image: initial; + background-color: rgb(32, 35, 36); + } + + .wy-alert.wy-alert-info .wy-alert-title, + .rst-content .note .wy-alert-title, + .rst-content .wy-alert-info.attention .wy-alert-title, + .rst-content .wy-alert-info.caution .wy-alert-title, + .rst-content .wy-alert-info.danger .wy-alert-title, + .rst-content .wy-alert-info.error .wy-alert-title, + .rst-content .wy-alert-info.hint .wy-alert-title, + .rst-content .wy-alert-info.important .wy-alert-title, + .rst-content .wy-alert-info.tip .wy-alert-title, + .rst-content .wy-alert-info.warning .wy-alert-title, + .rst-content .seealso .wy-alert-title, + .rst-content .wy-alert-info.admonition-todo .wy-alert-title, + .rst-content .wy-alert-info.admonition .wy-alert-title, + .wy-alert.wy-alert-info .rst-content .admonition-title, + .rst-content .wy-alert.wy-alert-info .admonition-title, + .rst-content .note .admonition-title, + .rst-content .wy-alert-info.attention .admonition-title, + .rst-content .wy-alert-info.caution .admonition-title, + .rst-content .wy-alert-info.danger .admonition-title, + .rst-content .wy-alert-info.error .admonition-title, + .rst-content .wy-alert-info.hint .admonition-title, + .rst-content .wy-alert-info.important .admonition-title, + .rst-content .wy-alert-info.tip .admonition-title, + .rst-content .wy-alert-info.warning .admonition-title, + .rst-content .seealso .admonition-title, + .rst-content .wy-alert-info.admonition-todo .admonition-title, + .rst-content .wy-alert-info.admonition .admonition-title { + background-image: initial; + background-color: rgb(29, 91, 131); + } + + .wy-alert.wy-alert-success, + .rst-content .wy-alert-success.note, + .rst-content .wy-alert-success.attention, + .rst-content .wy-alert-success.caution, + .rst-content .wy-alert-success.danger, + .rst-content .wy-alert-success.error, + .rst-content .hint, + .rst-content .important, + .rst-content .tip, + .rst-content .wy-alert-success.warning, + .rst-content .wy-alert-success.seealso, + .rst-content .wy-alert-success.admonition-todo, + .rst-content .wy-alert-success.admonition { + background-image: initial; + background-color: rgb(9, 66, 58); + } + + .wy-alert.wy-alert-success .wy-alert-title, + .rst-content .wy-alert-success.note .wy-alert-title, + .rst-content .wy-alert-success.attention .wy-alert-title, + .rst-content .wy-alert-success.caution .wy-alert-title, + .rst-content .wy-alert-success.danger .wy-alert-title, + .rst-content .wy-alert-success.error .wy-alert-title, + .rst-content .hint .wy-alert-title, + .rst-content .important .wy-alert-title, + .rst-content .tip .wy-alert-title, + .rst-content .wy-alert-success.warning .wy-alert-title, + .rst-content .wy-alert-success.seealso .wy-alert-title, + .rst-content .wy-alert-success.admonition-todo .wy-alert-title, + .rst-content .wy-alert-success.admonition .wy-alert-title, + .wy-alert.wy-alert-success .rst-content .admonition-title, + .rst-content .wy-alert.wy-alert-success .admonition-title, + .rst-content .wy-alert-success.note .admonition-title, + .rst-content .wy-alert-success.attention .admonition-title, + .rst-content .wy-alert-success.caution .admonition-title, + .rst-content .wy-alert-success.danger .admonition-title, + .rst-content .wy-alert-success.error .admonition-title, + .rst-content .hint .admonition-title, + .rst-content .important .admonition-title, + .rst-content .tip .admonition-title, + .rst-content .wy-alert-success.warning .admonition-title, + .rst-content .wy-alert-success.seealso .admonition-title, + .rst-content .wy-alert-success.admonition-todo .admonition-title, + .rst-content .wy-alert-success.admonition .admonition-title { + background-image: initial; + background-color: rgb(21, 150, 125); + } + + .wy-alert.wy-alert-neutral, + .rst-content .wy-alert-neutral.note, + .rst-content .wy-alert-neutral.attention, + .rst-content .wy-alert-neutral.caution, + .rst-content .wy-alert-neutral.danger, + .rst-content .wy-alert-neutral.error, + .rst-content .wy-alert-neutral.hint, + .rst-content .wy-alert-neutral.important, + .rst-content .wy-alert-neutral.tip, + .rst-content .wy-alert-neutral.warning, + .rst-content .wy-alert-neutral.seealso, + .rst-content .wy-alert-neutral.admonition-todo, + .rst-content .wy-alert-neutral.admonition { + background-image: initial; + background-color: rgb(27, 36, 36); + } + + .wy-alert.wy-alert-neutral .wy-alert-title, + .rst-content .wy-alert-neutral.note .wy-alert-title, + .rst-content .wy-alert-neutral.attention .wy-alert-title, + .rst-content .wy-alert-neutral.caution .wy-alert-title, + .rst-content .wy-alert-neutral.danger .wy-alert-title, + .rst-content .wy-alert-neutral.error .wy-alert-title, + .rst-content .wy-alert-neutral.hint .wy-alert-title, + .rst-content .wy-alert-neutral.important .wy-alert-title, + .rst-content .wy-alert-neutral.tip .wy-alert-title, + .rst-content .wy-alert-neutral.warning .wy-alert-title, + .rst-content .wy-alert-neutral.seealso .wy-alert-title, + .rst-content .wy-alert-neutral.admonition-todo .wy-alert-title, + .rst-content .wy-alert-neutral.admonition .wy-alert-title, + .wy-alert.wy-alert-neutral .rst-content .admonition-title, + .rst-content .wy-alert.wy-alert-neutral .admonition-title, + .rst-content .wy-alert-neutral.note .admonition-title, + .rst-content .wy-alert-neutral.attention .admonition-title, + .rst-content .wy-alert-neutral.caution .admonition-title, + .rst-content .wy-alert-neutral.danger .admonition-title, + .rst-content .wy-alert-neutral.error .admonition-title, + .rst-content .wy-alert-neutral.hint .admonition-title, + .rst-content .wy-alert-neutral.important .admonition-title, + .rst-content .wy-alert-neutral.tip .admonition-title, + .rst-content .wy-alert-neutral.warning .admonition-title, + .rst-content .wy-alert-neutral.seealso .admonition-title, + .rst-content .wy-alert-neutral.admonition-todo .admonition-title, + .rst-content .wy-alert-neutral.admonition .admonition-title { + color: rgb(192, 186, 178); + background-image: initial; + background-color: rgb(40, 43, 45); + } + + .wy-alert.wy-alert-neutral a, + .rst-content .wy-alert-neutral.note a, + .rst-content .wy-alert-neutral.attention a, + .rst-content .wy-alert-neutral.caution a, + .rst-content .wy-alert-neutral.danger a, + .rst-content .wy-alert-neutral.error a, + .rst-content .wy-alert-neutral.hint a, + .rst-content .wy-alert-neutral.important a, + .rst-content .wy-alert-neutral.tip a, + .rst-content .wy-alert-neutral.warning a, + .rst-content .wy-alert-neutral.seealso a, + .rst-content .wy-alert-neutral.admonition-todo a, + .rst-content .wy-alert-neutral.admonition a { + color: rgb(84, 164, 217); + } + + .wy-tray-container li { + background-image: initial; + background-color: transparent; + color: rgb(232, 230, 227); + box-shadow: rgba(0, 0, 0, 0.1) 0px 5px 5px 0px; + } + + .wy-tray-container li.wy-tray-item-success { + background-image: initial; + background-color: rgb(31, 139, 77); + } + + .wy-tray-container li.wy-tray-item-info { + background-image: initial; + background-color: rgb(33, 102, 148); + } + + .wy-tray-container li.wy-tray-item-warning { + background-image: initial; + background-color: rgb(178, 94, 20); + } + + .wy-tray-container li.wy-tray-item-danger { + background-image: initial; + background-color: rgb(162, 33, 20); + } + + .btn { + color: rgb(232, 230, 227); + border-color: rgba(140, 130, 115, 0.1); + background-color: rgb(31, 139, 77); + text-decoration-color: initial; + box-shadow: rgba(24, 26, 27, 0.5) 0px 1px 2px -1px inset, + rgba(0, 0, 0, 0.1) 0px -2px 0px 0px inset; + } + + .btn-hover { + background-image: initial; + background-color: rgb(37, 114, 165); + color: rgb(232, 230, 227); + } + + .btn:hover { + background-image: initial; + background-color: rgb(35, 156, 86); + color: rgb(232, 230, 227); + } + + .btn:focus { + background-image: initial; + background-color: rgb(35, 156, 86); + outline-color: initial; + } + + .btn:active { + box-shadow: rgba(0, 0, 0, 0.05) 0px -1px 0px 0px inset, + rgba(0, 0, 0, 0.1) 0px 2px 0px 0px inset; + } + + .btn:visited { + color: rgb(232, 230, 227); + } + + .btn:disabled { + background-image: none; + box-shadow: none; + } + + .btn-disabled { + background-image: none; + box-shadow: none; + } + + .btn-disabled:hover, + .btn-disabled:focus, + .btn-disabled:active { + background-image: none; + box-shadow: none; + } + + .btn-info { + background-color: rgb(33, 102, 148) !important; + } + + .btn-info:hover { + background-color: rgb(37, 114, 165) !important; + } + + .btn-neutral { + background-color: rgb(27, 36, 36) !important; + color: rgb(192, 186, 178) !important; + } + + .btn-neutral:hover { + color: rgb(192, 186, 178); + background-color: rgb(34, 44, 44) !important; + } + + .btn-neutral:visited { + color: rgb(192, 186, 178) !important; + } + + .btn-success { + background-color: rgb(31, 139, 77) !important; + } + + .btn-success:hover { + background-color: rgb(27, 122, 68) !important; + } + + .btn-danger { + background-color: rgb(162, 33, 20) !important; + } + + .btn-danger:hover { + background-color: rgb(149, 30, 18) !important; + } + + .btn-warning { + background-color: rgb(178, 94, 20) !important; + } + + .btn-warning:hover { + background-color: rgb(165, 87, 18) !important; + } + + .btn-invert { + background-color: rgb(26, 28, 29); + } + + .btn-invert:hover { + background-color: rgb(35, 38, 40) !important; + } + + .btn-link { + color: rgb(84, 164, 217); + box-shadow: none; + background-color: transparent !important; + border-color: transparent !important; + } + + .btn-link:hover { + box-shadow: none; + background-color: transparent !important; + color: rgb(79, 162, 216) !important; + } + + .btn-link:active { + box-shadow: none; + background-color: transparent !important; + color: rgb(79, 162, 216) !important; + } + + .btn-link:visited { + color: rgb(164, 103, 188); + } + + .wy-dropdown-menu { + background-image: initial; + background-color: rgb(26, 28, 29); + border-color: rgb(60, 65, 67); + box-shadow: rgba(0, 0, 0, 0.1) 0px 2px 2px 0px; + } + + .wy-dropdown-menu > dd > a { + color: rgb(192, 186, 178); + } + + .wy-dropdown-menu > dd > a:hover { + background-image: initial; + background-color: rgb(33, 102, 148); + color: rgb(232, 230, 227); + } + + .wy-dropdown-menu > dd.divider { + border-top-color: rgb(60, 65, 67); + } + + .wy-dropdown-menu > dd.call-to-action { + background-image: initial; + background-color: rgb(40, 43, 45); + } + + .wy-dropdown-menu > dd.call-to-action:hover { + background-image: initial; + background-color: rgb(40, 43, 45); + } + + .wy-dropdown-menu > dd.call-to-action .btn { + color: rgb(232, 230, 227); + } + + .wy-dropdown.wy-dropdown-bubble .wy-dropdown-menu { + background-image: initial; + background-color: rgb(26, 28, 29); + } + + .wy-dropdown.wy-dropdown-bubble .wy-dropdown-menu a:hover { + background-image: initial; + background-color: rgb(33, 102, 148); + color: rgb(232, 230, 227); + } + + .wy-dropdown-arrow::before { + border-bottom-color: rgb(51, 55, 57); + border-left-color: transparent; + border-right-color: transparent; + } + + fieldset { + border-color: initial; + } + + legend { + border-color: initial; + } + + label { + color: rgb(200, 195, 188); + } + + .wy-control-group.wy-control-group-required > label::after { + color: rgb(233, 88, 73); + } + + .wy-form-message-inline { + color: rgb(168, 160, 149); + } + + .wy-form-message { + color: rgb(168, 160, 149); + } + + input[type="text"], input[type="password"], input[type="email"], input[type="url"], input[type="date"], input[type="month"], input[type="time"], input[type="datetime"], input[type="datetime-local"], input[type="week"], input[type="number"], input[type="search"], input[type="tel"], input[type="color"] { + border-color: rgb(62, 68, 70); + box-shadow: rgb(43, 47, 49) 0px 1px 3px inset; + } + + input[type="text"]:focus, input[type="password"]:focus, input[type="email"]:focus, input[type="url"]:focus, input[type="date"]:focus, input[type="month"]:focus, input[type="time"]:focus, input[type="datetime"]:focus, input[type="datetime-local"]:focus, input[type="week"]:focus, input[type="number"]:focus, input[type="search"]:focus, input[type="tel"]:focus, input[type="color"]:focus { + outline-color: initial; + border-color: rgb(123, 114, 101); + } + + input.no-focus:focus { + border-color: rgb(62, 68, 70) !important; + } + + input[type="file"]:focus, input[type="radio"]:focus, input[type="checkbox"]:focus { + outline-color: rgb(13, 113, 167); + } + + input[type="text"][disabled], input[type="password"][disabled], input[type="email"][disabled], input[type="url"][disabled], input[type="date"][disabled], input[type="month"][disabled], input[type="time"][disabled], input[type="datetime"][disabled], input[type="datetime-local"][disabled], input[type="week"][disabled], input[type="number"][disabled], input[type="search"][disabled], input[type="tel"][disabled], input[type="color"][disabled] { + background-color: rgb(27, 29, 30); + } + + input:focus:invalid, + textarea:focus:invalid, + select:focus:invalid { + color: rgb(233, 88, 73); + border-color: rgb(149, 31, 18); + } + + input:focus:invalid:focus, + textarea:focus:invalid:focus, + select:focus:invalid:focus { + border-color: rgb(149, 31, 18); + } + + input[type="file"]:focus:invalid:focus, input[type="radio"]:focus:invalid:focus, input[type="checkbox"]:focus:invalid:focus { + outline-color: rgb(149, 31, 18); + } + + select, + textarea { + border-color: rgb(62, 68, 70); + box-shadow: rgb(43, 47, 49) 0px 1px 3px inset; + } + + select { + border-color: rgb(62, 68, 70); + background-color: rgb(24, 26, 27); + } + + select:focus, + textarea:focus { + outline-color: initial; + } + + select[disabled], + textarea[disabled], + input[readonly], + select[readonly], + textarea[readonly] { + background-color: rgb(27, 29, 30); + } + + .wy-checkbox, + .wy-radio { + color: rgb(192, 186, 178); + } + + .wy-input-prefix .wy-input-context, + .wy-input-suffix .wy-input-context { + background-color: rgb(27, 36, 36); + border-color: rgb(62, 68, 70); + color: rgb(168, 160, 149); + } + + .wy-input-suffix .wy-input-context { + border-left-color: initial; + } + + .wy-input-prefix .wy-input-context { + border-right-color: initial; + } + + .wy-switch::before { + background-image: initial; + background-color: rgb(53, 57, 59); + } + + .wy-switch::after { + background-image: initial; + background-color: rgb(82, 88, 92); + } + + .wy-switch span { + color: rgb(200, 195, 188); + } + + .wy-switch.active::before { + background-image: initial; + background-color: rgb(24, 106, 58); + } + + .wy-switch.active::after { + background-image: initial; + background-color: rgb(31, 139, 77); + } + + .wy-control-group.wy-control-group-error .wy-form-message, + .wy-control-group.wy-control-group-error > label { + color: rgb(233, 88, 73); + } + + .wy-control-group.wy-control-group-error input[type="text"], .wy-control-group.wy-control-group-error input[type="password"], .wy-control-group.wy-control-group-error input[type="email"], .wy-control-group.wy-control-group-error input[type="url"], .wy-control-group.wy-control-group-error input[type="date"], .wy-control-group.wy-control-group-error input[type="month"], .wy-control-group.wy-control-group-error input[type="time"], .wy-control-group.wy-control-group-error input[type="datetime"], .wy-control-group.wy-control-group-error input[type="datetime-local"], .wy-control-group.wy-control-group-error input[type="week"], .wy-control-group.wy-control-group-error input[type="number"], .wy-control-group.wy-control-group-error input[type="search"], .wy-control-group.wy-control-group-error input[type="tel"], .wy-control-group.wy-control-group-error input[type="color"] { + border-color: rgb(149, 31, 18); + } + + .wy-control-group.wy-control-group-error textarea { + border-color: rgb(149, 31, 18); + } + + .wy-inline-validate.wy-inline-validate-success .wy-input-context { + color: rgb(92, 218, 145); + } + + .wy-inline-validate.wy-inline-validate-danger .wy-input-context { + color: rgb(233, 88, 73); + } + + .wy-inline-validate.wy-inline-validate-warning .wy-input-context { + color: rgb(232, 138, 54); + } + + .wy-inline-validate.wy-inline-validate-info .wy-input-context { + color: rgb(84, 164, 217); + } + + .wy-table caption, + .rst-content table.docutils caption, + .rst-content table.field-list caption { + color: rgb(232, 230, 227); + } + + .wy-table thead, + .rst-content table.docutils thead, + .rst-content table.field-list thead { + color: rgb(232, 230, 227); + } + + .wy-table thead th, + .rst-content table.docutils thead th, + .rst-content table.field-list thead th { + border-bottom-color: rgb(56, 61, 63); + } + + .wy-table td, + .rst-content table.docutils td, + .rst-content table.field-list td { + background-color: transparent; + } + + .wy-table-secondary { + color: rgb(152, 143, 129); + } + + .wy-table-tertiary { + color: rgb(152, 143, 129); + } + + .wy-table-odd td, + .wy-table-striped tr:nth-child(2n-1) td, + .rst-content table.docutils:not(.field-list) tr:nth-child(2n-1) td { + background-color: rgb(27, 36, 36); + } + + .wy-table-backed { + background-color: rgb(27, 36, 36); + } + + .wy-table-bordered-all, + .rst-content table.docutils { + border-color: rgb(56, 61, 63); + } + + .wy-table-bordered-all td, + .rst-content table.docutils td { + border-bottom-color: rgb(56, 61, 63); + border-left-color: rgb(56, 61, 63); + } + + .wy-table-bordered { + border-color: rgb(56, 61, 63); + } + + .wy-table-bordered-rows td { + border-bottom-color: rgb(56, 61, 63); + } + + .wy-table-horizontal td, + .wy-table-horizontal th { + border-bottom-color: rgb(56, 61, 63); + } + + a { + color: rgb(84, 164, 217); + text-decoration-color: initial; + } + + a:hover { + color: rgb(68, 156, 214); + } + + a:visited { + color: rgb(164, 103, 188); + } + + body { + color: rgb(192, 186, 178); + background-image: initial; + background-color: rgb(33, 35, 37); + } + + .wy-text-strike { + text-decoration-color: initial; + } + + .wy-text-warning { + color: rgb(232, 138, 54) !important; + } + + a.wy-text-warning:hover { + color: rgb(236, 157, 87) !important; + } + + .wy-text-info { + color: rgb(84, 164, 217) !important; + } + + a.wy-text-info:hover { + color: rgb(79, 162, 216) !important; + } + + .wy-text-success { + color: rgb(92, 218, 145) !important; + } + + a.wy-text-success:hover { + color: rgb(73, 214, 133) !important; + } + + .wy-text-danger { + color: rgb(233, 88, 73) !important; + } + + a.wy-text-danger:hover { + color: rgb(237, 118, 104) !important; + } + + .wy-text-neutral { + color: rgb(192, 186, 178) !important; + } + + a.wy-text-neutral:hover { + color: rgb(176, 169, 159) !important; + } + + hr { + border-right-color: initial; + border-bottom-color: initial; + border-left-color: initial; + border-top-color: rgb(56, 61, 63); + } + + code, + .rst-content tt, + .rst-content code { + background-image: initial; + background-color: rgb(24, 26, 27); + border-color: rgb(56, 61, 63); + color: rgb(233, 88, 73); + } + + .wy-plain-list-disc, + .rst-content .section ul, + .rst-content .toctree-wrapper ul, + article ul { + list-style-image: initial; + } + + .wy-plain-list-disc li, + .rst-content .section ul li, + .rst-content .toctree-wrapper ul li, + article ul li { + list-style-image: initial; + } + + .wy-plain-list-disc li li, + .rst-content .section ul li li, + .rst-content .toctree-wrapper ul li li, + article ul li li { + list-style-image: initial; + } + + .wy-plain-list-disc li li li, + .rst-content .section ul li li li, + .rst-content .toctree-wrapper ul li li li, + article ul li li li { + list-style-image: initial; + } + + .wy-plain-list-disc li ol li, + .rst-content .section ul li ol li, + .rst-content .toctree-wrapper ul li ol li, + article ul li ol li { + list-style-image: initial; + } + + .wy-plain-list-decimal, + .rst-content .section ol, + .rst-content ol.arabic, + article ol { + list-style-image: initial; + } + + .wy-plain-list-decimal li, + .rst-content .section ol li, + .rst-content ol.arabic li, + article ol li { + list-style-image: initial; + } + + .wy-plain-list-decimal li ul li, + .rst-content .section ol li ul li, + .rst-content ol.arabic li ul li, + article ol li ul li { + list-style-image: initial; + } + + .wy-breadcrumbs li code, + .wy-breadcrumbs li .rst-content tt, + .rst-content .wy-breadcrumbs li tt { + border-color: initial; + background-image: none; + background-color: initial; + } + + .wy-breadcrumbs li code.literal, + .wy-breadcrumbs li .rst-content tt.literal, + .rst-content .wy-breadcrumbs li tt.literal { + color: rgb(192, 186, 178); + } + + .wy-breadcrumbs-extra { + color: rgb(184, 178, 169); + } + + .wy-menu a:hover { + text-decoration-color: initial; + } + + .wy-menu-horiz li:hover { + background-image: initial; + background-color: rgba(24, 26, 27, 0.1); + } + + .wy-menu-horiz li.divide-left { + border-left-color: rgb(119, 110, 98); + } + + .wy-menu-horiz li.divide-right { + border-right-color: rgb(119, 110, 98); + } + + .wy-menu-vertical header, + .wy-menu-vertical p.caption { + color: rgb(99, 161, 201); + } + + .wy-menu-vertical li.divide-top { + border-top-color: rgb(119, 110, 98); + } + + .wy-menu-vertical li.divide-bottom { + border-bottom-color: rgb(119, 110, 98); + } + + .wy-menu-vertical li.current { + background-image: initial; + background-color: rgb(40, 43, 45); + } + + .wy-menu-vertical li.current a { + color: rgb(152, 143, 129); + border-right-color: rgb(63, 69, 71); + } + + .wy-menu-vertical li.current a:hover { + background-image: initial; + background-color: rgb(47, 51, 53); + } + + .wy-menu-vertical li code, + .wy-menu-vertical li .rst-content tt, + .rst-content .wy-menu-vertical li tt { + border-color: initial; + background-image: inherit; + background-color: inherit; + color: inherit; + } + + .wy-menu-vertical li span.toctree-expand { + color: rgb(183, 177, 168); + } + + .wy-menu-vertical li.on a, + .wy-menu-vertical li.current > a { + color: rgb(192, 186, 178); + background-image: initial; + background-color: rgb(26, 28, 29); + border-color: initial; + } + + .wy-menu-vertical li.on a:hover, + .wy-menu-vertical li.current > a:hover { + background-image: initial; + background-color: rgb(26, 28, 29); + } + + .wy-menu-vertical li.on a:hover span.toctree-expand, + .wy-menu-vertical li.current > a:hover span.toctree-expand { + color: rgb(152, 143, 129); + } + + .wy-menu-vertical li.on a span.toctree-expand, + .wy-menu-vertical li.current > a span.toctree-expand { + color: rgb(200, 195, 188); + } + + .wy-menu-vertical li.toctree-l1.current > a { + border-bottom-color: rgb(63, 69, 71); + border-top-color: rgb(63, 69, 71); + } + + .wy-menu-vertical li.toctree-l2 a, + .wy-menu-vertical li.toctree-l3 a, + .wy-menu-vertical li.toctree-l4 a { + color: rgb(192, 186, 178); + } + + .wy-menu-vertical li.toctree-l2.current > a { + background-image: initial; + background-color: rgb(54, 59, 61); + } + + .wy-menu-vertical li.toctree-l2.current li.toctree-l3 > a { + background-image: initial; + background-color: rgb(54, 59, 61); + } + + .wy-menu-vertical li.toctree-l2 a:hover span.toctree-expand { + color: rgb(152, 143, 129); + } + + .wy-menu-vertical li.toctree-l2 span.toctree-expand { + color: rgb(174, 167, 156); + } + + .wy-menu-vertical li.toctree-l3.current > a { + background-image: initial; + background-color: rgb(61, 66, 69); + } + + .wy-menu-vertical li.toctree-l3.current li.toctree-l4 > a { + background-image: initial; + background-color: rgb(61, 66, 69); + } + + .wy-menu-vertical li.toctree-l3 a:hover span.toctree-expand { + color: rgb(152, 143, 129); + } + + .wy-menu-vertical li.toctree-l3 span.toctree-expand { + color: rgb(166, 158, 146); + } + + .wy-menu-vertical li.toctree-l2.current a, + .wy-menu-vertical li.toctree-l3.current a { + background-color: #363636; + } + + .wy-menu-vertical li ul li a { + color: rgb(208, 204, 198); + } + + .wy-menu-vertical a { + color: rgb(208, 204, 198); + } + + .wy-menu-vertical a:hover { + background-color: rgb(57, 62, 64); + } + + .wy-menu-vertical a:hover span.toctree-expand { + color: rgb(208, 204, 198); + } + + .wy-menu-vertical a:active { + background-color: rgb(33, 102, 148); + color: rgb(232, 230, 227); + } + + .wy-menu-vertical a:active span.toctree-expand { + color: rgb(232, 230, 227); + } + + .wy-side-nav-search { + background-color: rgb(33, 102, 148); + color: rgb(230, 228, 225); + } + + .wy-side-nav-search input[type="text"] { + border-color: rgb(35, 111, 160); + } + + .wy-side-nav-search img { + background-color: rgb(33, 102, 148); + } + + .wy-side-nav-search > a, + .wy-side-nav-search .wy-dropdown > a { + color: rgb(230, 228, 225); + } + + .wy-side-nav-search > a:hover, + .wy-side-nav-search .wy-dropdown > a:hover { + background-image: initial; + background-color: rgba(24, 26, 27, 0.1); + } + + .wy-side-nav-search > a img.logo, + .wy-side-nav-search .wy-dropdown > a img.logo { + background-image: initial; + background-color: transparent; + } + + .wy-side-nav-search > div.version { + color: rgba(232, 230, 227, 0.3); + } + + .wy-nav .wy-menu-vertical header { + color: rgb(84, 164, 217); + } + + .wy-nav .wy-menu-vertical a { + color: rgb(184, 178, 169); + } + + .wy-nav .wy-menu-vertical a:hover { + background-color: rgb(33, 102, 148); + color: rgb(232, 230, 227); + } + + .wy-body-for-nav { + background-image: initial; + background-color: rgb(24, 26, 27); + } + + .wy-nav-side { + color: rgb(169, 161, 150); + background-image: initial; + background-color: rgb(38, 41, 43); + } + + .wy-nav-top { + background-image: initial; + background-color: rgb(33, 102, 148); + color: rgb(232, 230, 227); + } + + .wy-nav-top a { + color: rgb(232, 230, 227); + } + + .wy-nav-top img { + background-color: rgb(33, 102, 148); + } + + .wy-nav-content-wrap { + background-image: initial; + background-color: rgb(26, 28, 29); + } + + .wy-body-mask { + background-image: initial; + background-color: rgba(0, 0, 0, 0.2); + } + + footer { + color: rgb(152, 143, 129); + } + + footer span.commit code, + footer span.commit .rst-content tt, + .rst-content footer span.commit tt { + background-image: none; + background-color: initial; 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