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 16-bit input images embed onto alpha background

Browse Source 
Support gamma correction of images with alpha channel
Favour shrink over affine when reducing by integral factor
This commit is contained in:
Lovell Fuller
2016-01-30 22:23:17 +00:00
parent 41e50770d1
commit 2675b2265b
10 changed files with 70 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
test/unit/embed.js
View File

@@ -80,6 +80,21 @@ describe('Embed', function() {
});
});
it('16-bit PNG with alpha channel onto RGBA', function(done) {
sharp(fixtures.inputPngWithTransparency16bit)
.resize(32, 16)
.embed()
.background({r: 0, g: 0, b: 0, a: 0})
.toBuffer(function(err, data, info) {
if (err) throw err;
assert.strictEqual(true, data.length > 0);
assert.strictEqual('png', info.format);
assert.strictEqual(32, info.width);
assert.strictEqual(16, info.height);
fixtures.assertSimilar(fixtures.expected('embed-16bit-rgba.png'), data, done);
});
});
it('Enlarge and embed', function(done) {
sharp(fixtures.inputPngWithOneColor)
.embed()