Image/sharp.mjs
2022-04-19 16:23:07 +08:00

61 lines
1.5 KiB
JavaScript

// Test sharp behavior
import { readFileSync, writeFileSync } from 'fs'
import sharp from 'sharp'
import { ChromaSubsampling, Transformer } from '@napi-rs/image'
// https://github.com/ianare/exif-samples/blob/master/jpg/orientation/portrait_5.jpg
const WITH_EXIF = readFileSync('./with-exif.jpg')
console.time('sharp webp')
const sharpOutputWebp = await sharp(WITH_EXIF)
.rotate()
.resize(450 / 2)
.webp({ quality: 75 })
.toBuffer()
console.timeEnd('sharp webp')
writeFileSync('output-exif.sharp.webp', sharpOutputWebp)
console.time('@napi-rs/image webp')
const imageOutputWebp = await new Transformer(WITH_EXIF)
.rotate()
.resize(450 / 2)
.webp(75)
console.timeEnd('@napi-rs/image webp')
writeFileSync('output-exif.image.webp', imageOutputWebp)
const imageOutputWithoutRotateWebp = await new Transformer(WITH_EXIF).resize(450 / 2).webp(75)
writeFileSync('output-exif.no-rotate.image.webp', imageOutputWithoutRotateWebp)
console.time('sharp avif')
const sharpOutputAvif = await sharp(WITH_EXIF)
.rotate()
.resize(450 / 2)
.avif({ quality: 70, chromaSubsampling: '4:2:0' })
.toBuffer()
console.timeEnd('sharp avif')
writeFileSync('output-exif.sharp.avif', sharpOutputAvif)
console.time('@napi-rs/image avif')
const imageOutputAvif = await new Transformer(WITH_EXIF)
.rotate()
.resize(450 / 2)
.avif({ quality: 70, chromaSubsampling: ChromaSubsampling.Yuv420 })
console.timeEnd('@napi-rs/image avif')
writeFileSync('output-exif.image.avif', imageOutputAvif)