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Add support for TypedArray input with byteOffset and length

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This commit is contained in:
codepage949
2022-03-28 04:18:58 +09:00
committed by GitHub
parent 1d36936954
commit c3a0d5f5d0
2 changed files with 19 additions and 1 deletions
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18
test/unit/io.js
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@@ -182,6 +182,24 @@ describe('Input/output', function () {
assert.strictEqual(info.height, 1);
});
it('Read from Uint8ClampedArray with byteOffset and output to Buffer', async () => {
// since a Uint8ClampedArray is the same as Uint8Array but clamps the values
// between 0-255 it seemed good to add this also
const uint8array = Uint8ClampedArray.from([0, 0, 0, 255, 255, 255, 0, 0, 0, 255, 255, 255]);
const uint8ArrayWithByteOffset = new Uint8ClampedArray(uint8array.buffer, 3, 6);
const { data, info } = await sharp(uint8ArrayWithByteOffset, {
raw: {
width: 2,
height: 1,
channels: 3
}
}).toBuffer({ resolveWithObject: true });
assert.deepStrictEqual(Uint8ClampedArray.from([255, 255, 255, 0, 0, 0]), new Uint8ClampedArray(data));
assert.strictEqual(info.width, 2);
assert.strictEqual(info.height, 1);
});
it('Stream should emit info event', function (done) {
const readable = fs.createReadStream(fixtures.inputJpg);
const writable = fs.createWriteStream(outputJpg);