Mathis/sharp
1
0
Fork 0
mirror of https://github.com/lovell/sharp.git synced 2025-12-19 07:15:08 +01:00
Code Issues Packages Projects Releases Wiki Activity

Ensure extend op is sequential for multi-page TIFF #4069

Browse Source
This commit is contained in:
Lovell Fuller
2024-04-18 11:05:04 +01:00
parent 52b9dc0f63
commit 397ee492d9
3 changed files with 37 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
test/unit/extend.js
View File

@@ -73,20 +73,6 @@ describe('Extend', function () {
});
});
it('extend top with mirroring uses ordered read', async () => {
const data = await sharp(fixtures.inputJpg)
.extend({
extendWith: 'mirror',
top: 1
})
.png({ compressionLevel: 0 })
.toBuffer();
const { width, height } = await sharp(data).metadata();
assert.strictEqual(2725, width);
assert.strictEqual(2226, height);
});
it(`extend sides unequally with RGBA (${extendWith})`, function (done) {
sharp(fixtures.inputPngWithTransparency16bit)
.resize(120)
@@ -127,6 +113,39 @@ describe('Extend', function () {
});
});
it('extend top with mirroring uses ordered read', async () => {
const data = await sharp(fixtures.inputJpg)
.extend({
extendWith: 'mirror',
top: 1
})
.png({ compressionLevel: 0 })
.toBuffer();
const { width, height } = await sharp(data).metadata();
assert.strictEqual(2725, width);
assert.strictEqual(2226, height);
});
it('multi-page extend uses ordered read', async () => {
const multiPageTiff = await sharp(fixtures.inputGifAnimated, { animated: true })
.resize({ width: 8, height: 48 })
.tiff()
.toBuffer();
const data = await sharp(multiPageTiff, { pages: -1 })
.extend({
background: 'red',
top: 1
})
.png({ compressionLevel: 0 })
.toBuffer();
const { width, height } = await sharp(data).metadata();
assert.strictEqual(8, width);
assert.strictEqual(1470, height);
});
it('missing parameter fails', function () {
assert.throws(function () {
sharp().extend();