有没有老哥知道前端实现的 PNG 压缩库 - V2EX
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sakamoto123

有没有老哥知道前端实现的 PNG 压缩库

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  •   sakamoto123 Aug 28, 2020 4491 views
    This topic created in 2084 days ago, the information mentioned may be changed or developed.
    11 replies    2020-08-29 11:51:07 +08:00
    OHyn
        1
    OHyn  
       Aug 28, 2020
    npm browser-image-compression
    chihiro2014
        2
    chihiro2014  
       Aug 28, 2020
    squoosh ?
    luckyboy6
        3
    luckyboy6  
       Aug 28, 2020
    nodejs compression
    BarZu
        4
    BarZu  
       Aug 28, 2020
    看 antd 的上传图片源码学会了前端用 canvas 压缩图片的我飘过
    mikoshu
        5
    mikoshu  
       Aug 28, 2020
    canvas 不是只能压缩 jpeg 和 webp 格式吗
    redbuck
        6
    redbuck  
       Aug 28, 2020
    把图片画到一个宽高减半的 canvas 上再倒出来不就压缩了吗,准时下班,美滋滋...
    u3u
        7
    u3u  
       Aug 28, 2020
    L3ve
        8
    L3ve  
       Aug 28, 2020
    其实没什么难度,读取图片转成二进制,去除没必要的块,再者就是色值块的压缩
    https://www.w3.org/TR/2003/REC-PNG-20031110/
    sakamoto123
        9
    sakamoto123  
    OP
       Aug 28, 2020
    @redbuck
    noobma
        10
    noobma  
       Aug 28, 2020   1
    把 libpng 编译成 wasm 模块使用
    luoxh
        11
    luoxh  
       Aug 29, 2020
    Photopea 开源的前端 png 压缩库: https://github.com/photopea/UPNG.js
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