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Improve multi-frame image resizing (#2789)

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* Ports vips_thumbnail logic to sharp 
* Deprecates the pageHeight output option for WebP/GIF
This commit is contained in:
Kleis Auke Wolthuizen
2021-12-10 21:32:04 +01:00
committed by GitHub
parent 659cdabd8e
commit 513fb40f40
29 changed files with 619 additions and 334 deletions
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36
test/unit/resize-contain.js
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@@ -148,6 +148,42 @@ describe('Resize fit=contain', function () {
});
});
describe('Animated WebP', function () {
it('Width only', function (done) {
sharp(fixtures.inputWebPAnimated, { pages: -1 })
.resize(320, 240, {
fit: 'contain',
background: { r: 255, g: 0, b: 0 }
})
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(true, data.length > 0);
assert.strictEqual('webp', info.format);
assert.strictEqual(320, info.width);
assert.strictEqual(240 * 9, info.height);
assert.strictEqual(4, info.channels);
fixtures.assertSimilar(fixtures.expected('embed-animated-width.webp'), data, done);
});
});
it('Height only', function (done) {
sharp(fixtures.inputWebPAnimated, { pages: -1 })
.resize(240, 320, {
fit: 'contain',
background: { r: 255, g: 0, b: 0 }
})
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(true, data.length > 0);
assert.strictEqual('webp', info.format);
assert.strictEqual(240, info.width);
assert.strictEqual(320 * 9, info.height);
assert.strictEqual(4, info.channels);
fixtures.assertSimilar(fixtures.expected('embed-animated-height.webp'), data, done);
});
});
});
it('Invalid position values should fail', function () {
[-1, 8.1, 9, 1000000, false, 'vallejo'].forEach(function (position) {
assert.throws(function () {