Skip to content

Pgf plotting #18830

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Nov 17, 2020
Merged

Pgf plotting #18830

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
0454e43
Cleanup
Oct 28, 2020
cd93057
Support minus signs for pgf backend in combination with pdflatex
Oct 29, 2020
7ff6ded
Skip test if LaTeX is not available
Nov 2, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 2 additions & 5 deletions lib/matplotlib/backends/backend_pgf.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,6 @@
import re
import shutil
import subprocess
import sys
from tempfile import TemporaryDirectory
import weakref

Expand Down Expand Up @@ -101,6 +100,7 @@ def common_texification(text):
# Sometimes, matplotlib adds the unknown command \mathdefault.
# Not using \mathnormal instead since this looks odd for the latex cm font.
text = _replace_mathdefault(text)
text = text.replace("\N{MINUS SIGN}", r"\ensuremath{-}")
# split text into normaltext and inline math parts
parts = re_mathsep.split(text)
for i, s in enumerate(parts):
Expand Down Expand Up @@ -792,10 +792,7 @@ def _print_pgf_to_fh(self, fh, *, bbox_inches_restore=None):
%% Make sure the required packages are loaded in your preamble
%% \\usepackage{pgf}
%%
%% and, on pdftex
%% \\usepackage[utf8]{inputenc}\\DeclareUnicodeCharacter{2212}{-}
%%
%% or, on luatex and xetex
%% and on luatex and xetex
%% \\usepackage{unicode-math}
%%
%% Figures using additional raster images can only be included by \\input if
Expand Down
15 changes: 14 additions & 1 deletion lib/matplotlib/tests/test_backend_pgf.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,10 @@
import matplotlib as mpl
import matplotlib.pyplot as plt
from matplotlib.testing.compare import compare_images, ImageComparisonFailure
from matplotlib.testing.decorators import image_comparison, _image_directories
from matplotlib.backends.backend_pgf import PdfPages, common_texification
from matplotlib.testing.decorators import (_image_directories,
check_figures_equal,
image_comparison)

baseline_dir, result_dir = _image_directories(lambda: 'dummy func')

Expand Down Expand Up @@ -338,3 +340,14 @@ def test_unknown_font(caplog):
plt.savefig(BytesIO(), format="pgf")
assert "Ignoring unknown font: this-font-does-not-exist" in [
r.getMessage() for r in caplog.records]


@check_figures_equal(extensions=["pdf"])
@pytest.mark.parametrize("texsystem", ("pdflatex", "xelatex", "lualatex"))
@pytest.mark.backend("pgf")
def test_minus_signs_with_tex(fig_test, fig_ref, texsystem):
if not check_for(texsystem):
pytest.skip(texsystem + ' + pgf is required')
mpl.rcParams["pgf.texsystem"] = texsystem
fig_test.text(.5, .5, "$-1$")
fig_ref.text(.5, .5, "$\N{MINUS SIGN}1$")