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Expose optional minAmplitude parameter of blur operation (#4172)

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This commit is contained in:
Marcos Casagrande
2024-07-23 12:31:11 +02:00
committed by GitHub
parent 67a5854b89
commit 735fee74db
11 changed files with 45 additions and 5 deletions
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24
test/unit/blur.js
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@@ -111,6 +111,16 @@ describe('Blur', function () {
}, /Expected one of: integer, float, approximate for precision but received invalid of type string/);
});
it('invalid minAmplitude', function () {
assert.throws(function () {
sharp(fixtures.inputJpg).blur({ sigma: 1, minAmplitude: 0 });
}, /Expected number between 0.001 and 1 for minAmplitude but received 0 of type number/);
assert.throws(function () {
sharp(fixtures.inputJpg).blur({ sigma: 1, minAmplitude: 1.01 });
}, /Expected number between 0.001 and 1 for minAmplitude but received 1.01 of type number/);
});
it('specific radius 10 and precision approximate', async () => {
const approximate = await sharp(fixtures.inputJpg)
.resize(320, 240)
@@ -125,6 +135,20 @@ describe('Blur', function () {
await fixtures.assertSimilar(fixtures.expected('blur-10.jpg'), approximate);
});
it('specific radius 10 and minAmplitude 0.01', async () => {
const minAmplitudeLow = await sharp(fixtures.inputJpg)
.resize(320, 240)
.blur({ sigma: 10, minAmplitude: 0.01 })
.toBuffer();
const minAmplitudeDefault = await sharp(fixtures.inputJpg)
.resize(320, 240)
.blur(10)
.toBuffer();
assert.notDeepEqual(minAmplitudeLow, minAmplitudeDefault);
await fixtures.assertSimilar(fixtures.expected('blur-10.jpg'), minAmplitudeLow);
});
it('options.sigma is required if options object is passed', function () {
assert.throws(function () {
sharp(fixtures.inputJpg).blur({ precision: 'invalid' });