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fix crop with downsamplingRatio #85

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Merged
merged 1 commit into from
Feb 16, 2017
Merged

fix crop with downsamplingRatio #85

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2 changes: 2 additions & 0 deletions js/load-image.js
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Original file line number Diff line number Diff line change
Expand Up @@ -285,6 +285,8 @@
canvas.width,
canvas.height
)
sourceX = 0
sourceY = 0
sourceWidth = canvas.width
sourceHeight = canvas.height
img = document.createElement('canvas')
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17 changes: 17 additions & 0 deletions test/test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -336,6 +336,23 @@
done()
}, {sourceWidth: 40, sourceHeight: 40, crop: true, pixelRatio: 2})).to.be.ok
})

it('Crop using maxWidth/maxHeight with the given downsamplingRatio', function (done) {
expect(loadImage(blobGIF, function (img) {
expect(img.width).to.equal(10)
expect(img.height).to.equal(10)

var data = img.getContext('2d').getImageData(0, 0, 10, 10).data
for (var i = 0; i < data.length / 4; i += 4) {
expect(data[i]).to.equal(0)
expect(data[i + 1]).to.equal(0)
expect(data[i + 2]).to.equal(0)
expect(data[i + 3]).to.equal(255)
}

done()
}, {maxWidth: 10, maxHeight: 10, crop: true, downsamplingRatio: 0.5})).to.be.ok
})
})

describe('Orientation', function () {
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