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Prevent rounding err with shrink-on-load and 90/270 rot #1241

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Lovell Fuller
2018-06-19 21:19:34 +01:00
parent 09263455b5
commit da0b0348a2
4 changed files with 33 additions and 26 deletions
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19
test/unit/resize.js
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@@ -130,6 +130,25 @@ describe('Resize dimensions', function () {
});
});
it('JPEG shrink-on-load with 90 degree rotation, ensure recalculation is correct', function (done) {
sharp(fixtures.inputJpg)
.resize(1920, 1280)
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(1920, info.width);
assert.strictEqual(1280, info.height);
sharp(data)
.rotate(90)
.resize(533, 800)
.toBuffer(function (err, data, info) {
if (err) throw err;
assert.strictEqual(533, info.width);
assert.strictEqual(800, info.height);
done();
});
});
});
it('TIFF embed known to cause rounding errors', function (done) {
sharp(fixtures.inputTiff)
.resize(240, 320)