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Add support for pages option for multi-page input #1566

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Lovell Fuller
2019-03-17 16:37:27 +00:00
parent 7457b50373
commit 9cc06c887b
10 changed files with 88 additions and 37 deletions
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64
test/unit/gif.js Normal file
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@@ -0,0 +1,64 @@
'use strict';
const fs = require('fs');
const assert = require('assert');
const sharp = require('../../');
const fixtures = require('../fixtures');
describe('GIF input', () => {
it('GIF Buffer to JPEG Buffer', () =>
sharp(fs.readFileSync(fixtures.inputGif))
.resize(8, 4)
.jpeg()
.toBuffer({ resolveWithObject: true })
.then(({ data, info }) => {
assert.strictEqual(true, data.length > 0);
assert.strictEqual(data.length, info.size);
assert.strictEqual('jpeg', info.format);
assert.strictEqual(8, info.width);
assert.strictEqual(4, info.height);
})
);
it('2 channel GIF file to PNG Buffer', () =>
sharp(fixtures.inputGifGreyPlusAlpha)
.resize(8, 4)
.png()
.toBuffer({ resolveWithObject: true })
.then(({ data, info }) => {
assert.strictEqual(true, data.length > 0);
assert.strictEqual(data.length, info.size);
assert.strictEqual('png', info.format);
assert.strictEqual(8, info.width);
assert.strictEqual(4, info.height);
assert.strictEqual(4, info.channels);
})
);
it('Animated GIF first page to PNG', () =>
sharp(fixtures.inputGifAnimated)
.toBuffer({ resolveWithObject: true })
.then(({ data, info }) => {
assert.strictEqual(true, data.length > 0);
assert.strictEqual(data.length, info.size);
assert.strictEqual('png', info.format);
assert.strictEqual(80, info.width);
assert.strictEqual(80, info.height);
assert.strictEqual(4, info.channels);
})
);
it('Animated GIF all pages to PNG "toilet roll"', () =>
sharp(fixtures.inputGifAnimated, { pages: -1 })
.toBuffer({ resolveWithObject: true })
.then(({ data, info }) => {
assert.strictEqual(true, data.length > 0);
assert.strictEqual(data.length, info.size);
assert.strictEqual('png', info.format);
assert.strictEqual(80, info.width);
assert.strictEqual(2400, info.height);
assert.strictEqual(4, info.channels);
})
);
});

31
test/unit/io.js
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@@ -517,37 +517,6 @@ describe('Input/output', function () {
});
});
it('Load GIF from Buffer', function (done) {
const inputGifBuffer = fs.readFileSync(fixtures.inputGif);
sharp(inputGifBuffer)
.resize(320, 240)
.jpeg()
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(true, data.length > 0);
assert.strictEqual(data.length, info.size);
assert.strictEqual('jpeg', info.format);
assert.strictEqual(320, info.width);
assert.strictEqual(240, info.height);
done();
});
});
it('Load GIF grey+alpha from file, auto convert to PNG', function (done) {
sharp(fixtures.inputGifGreyPlusAlpha)
.resize(8, 4)
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(true, data.length > 0);
assert.strictEqual(data.length, info.size);
assert.strictEqual('png', info.format);
assert.strictEqual(8, info.width);
assert.strictEqual(4, info.height);
assert.strictEqual(4, info.channels);
done();
});
});
it('Load Vips V file', function (done) {
sharp(fixtures.inputV)
.jpeg()