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Ensure keepIccProfile avoids ICC transform #4186

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Lovell Fuller
2024-08-11 09:44:53 +01:00
parent f7ed9b7fb6
commit 2eb03b0049
5 changed files with 16 additions and 0 deletions
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1
test/fixtures/index.js vendored
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@@ -99,6 +99,7 @@ module.exports = {
inputPngTrimSpecificColour16bit: getPath('Flag_of_the_Netherlands-16bit.png'), // convert Flag_of_the_Netherlands.png -depth 16 Flag_of_the_Netherlands-16bit.png
inputPngTrimSpecificColourIncludeAlpha: getPath('Flag_of_the_Netherlands-alpha.png'), // convert Flag_of_the_Netherlands.png -alpha set -background none -channel A -evaluate multiply 0.5 +channel Flag_of_the_Netherlands-alpha.png
inputPngUint32Limit: getPath('65536-uint32-limit.png'), // https://alexandre.alapetite.fr/doc-alex/large-image/
inputPngWithProPhotoProfile: getPath('prophoto.png'),
inputWebP: getPath('4.webp'), // http://www.gstatic.com/webp/gallery/4.webp
inputWebPWithTransparency: getPath('5_webp_a.webp'), // http://www.gstatic.com/webp/gallery3/5_webp_a.webp

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test/fixtures/prophoto.png vendored Normal file
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11
test/unit/metadata.js
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@@ -601,6 +601,17 @@ describe('Image metadata', function () {
assert.strictEqual(description, 'Generic RGB Profile');
});
it('keep existing ICC profile, avoid colour transform', async () => {
const [r, g, b] = await sharp(fixtures.inputPngWithProPhotoProfile)
.keepIccProfile()
.raw()
.toBuffer();
assert.strictEqual(r, 131);
assert.strictEqual(g, 141);
assert.strictEqual(b, 192);
});
it('keep existing CMYK ICC profile', async () => {
const data = await sharp(fixtures.inputJpgWithCmykProfile)
.pipelineColourspace('cmyk')