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avif.js
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avif.js
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'use strict';
const assert = require('assert');
const sharp = require('../../');
const { inputAvif, inputJpg, inputGifAnimated } = require('../fixtures');
describe('AVIF', () => {
it('called without options does not throw an error', () => {
assert.doesNotThrow(() => {
sharp().avif();
});
});
it('can convert AVIF to JPEG', async () => {
const data = await sharp(inputAvif)
.resize(32)
.jpeg()
.toBuffer();
const { size, ...metadata } = await sharp(data)
.metadata();
assert.deepStrictEqual(metadata, {
channels: 3,
chromaSubsampling: '4:2:0',
density: 72,
depth: 'uchar',
format: 'jpeg',
hasAlpha: false,
hasProfile: false,
// 32 / (2048 / 858) = 13.40625
// Math.round(13.40625) = 13
height: 13,
isProgressive: false,
space: 'srgb',
width: 32
});
});
it('can convert JPEG to AVIF', async () => {
const data = await sharp(inputJpg)
.resize(32)
.avif({ effort: 0 })
.toBuffer();
const { size, ...metadata } = await sharp(data)
.metadata();
assert.deepStrictEqual(metadata, {
channels: 3,
compression: 'av1',
depth: 'uchar',
format: 'heif',
hasAlpha: false,
hasProfile: false,
height: 26,
isProgressive: false,
pagePrimary: 0,
pages: 1,
space: 'srgb',
width: 32
});
});
it('can passthrough AVIF', async () => {
const data = await sharp(inputAvif)
.resize(32)
.toBuffer();
const { size, ...metadata } = await sharp(data)
.metadata();
assert.deepStrictEqual(metadata, {
channels: 3,
compression: 'av1',
depth: 'uchar',
format: 'heif',
hasAlpha: false,
hasProfile: false,
height: 13,
isProgressive: false,
pagePrimary: 0,
pages: 1,
space: 'srgb',
width: 32
});
});
it('can convert animated GIF to non-animated AVIF', async () => {
const data = await sharp(inputGifAnimated, { animated: true })
.resize(10)
.avif({ effort: 0 })
.toBuffer();
const { size, ...metadata } = await sharp(data)
.metadata();
assert.deepStrictEqual(metadata, {
channels: 4,
compression: 'av1',
depth: 'uchar',
format: 'heif',
hasAlpha: true,
hasProfile: false,
height: 300,
isProgressive: false,
pagePrimary: 0,
pages: 1,
space: 'srgb',
width: 10
});
});
it('should cast to uchar', async () => {
const data = await sharp(inputJpg)
.resize(32)
.sharpen()
.avif({ effort: 0 })
.toBuffer();
const { size, ...metadata } = await sharp(data)
.metadata();
assert.deepStrictEqual(metadata, {
channels: 3,
compression: 'av1',
depth: 'uchar',
format: 'heif',
hasAlpha: false,
hasProfile: false,
height: 26,
isProgressive: false,
pagePrimary: 0,
pages: 1,
space: 'srgb',
width: 32
});
});
});