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Fix tint op by ensuring LAB and allowing negative values #1235

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Add test cases for more tint colours and input interpretations
This commit is contained in:
Lovell Fuller
2018-05-23 20:51:47 +01:00
parent b1a9bf10a2
commit 54a71fc142
9 changed files with 55 additions and 9 deletions
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test/fixtures/expected/tint-blue.jpg vendored Normal file
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test/fixtures/expected/tint-cmyk.jpg vendored Normal file
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39
test/unit/tint.js
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@@ -19,6 +19,32 @@ describe('Tint', function () {
});
});
it('tints rgb image green', function (done) {
const output = fixtures.path('output.tint-green.jpg');
sharp(fixtures.inputJpg)
.resize(320, 240)
.tint('#00FF00')
.toFile(output, function (err, info) {
if (err) throw err;
assert.strictEqual(true, info.size > 0);
fixtures.assertMaxColourDistance(output, fixtures.expected('tint-green.jpg'), 10);
done();
});
});
it('tints rgb image blue', function (done) {
const output = fixtures.path('output.tint-blue.jpg');
sharp(fixtures.inputJpg)
.resize(320, 240)
.tint('#0000FF')
.toFile(output, function (err, info) {
if (err) throw err;
assert.strictEqual(true, info.size > 0);
fixtures.assertMaxColourDistance(output, fixtures.expected('tint-blue.jpg'), 10);
done();
});
});
it('tints rgb image with sepia tone', function (done) {
const output = fixtures.path('output.tint-sepia.jpg');
sharp(fixtures.inputJpg)
@@ -60,4 +86,17 @@ describe('Tint', function () {
done();
});
});
it('tints cmyk image red', function (done) {
const output = fixtures.path('output.tint-cmyk.jpg');
sharp(fixtures.inputJpgWithCmykProfile)
.resize(320, 240)
.tint('#FF0000')
.toFile(output, function (err, info) {
if (err) throw err;
assert.strictEqual(true, info.size > 0);
fixtures.assertMaxColourDistance(output, fixtures.expected('tint-cmyk.jpg'), 10);
done();
});
});
});