目前有支持 html dom 转图片时，支持 object-fit: contain 的，纯前端开源免费解决方案么 - V2EX
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paranoia

目前有支持 html dom 转图片时，支持 object-fit: contain 的，纯前端开源免费解决方案么

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  •   paranoia Feb 21, 2025 1694 views
    This topic created in 450 days ago, the information mentioned may be changed or developed.

    尝试 html2canvas,html-to-image 均不支持这个特性，用 background-image 图片会糊掉。 有没有其他库或者变相的解决方案呢

  • html2canvas
  • html-to-image
  • object-fit
    4 replies    2025-02-21 10:55:00 +08:00
    dshu
        1
    dshu  
       Feb 21, 2025   1
    提供一个思路
    如果支持 CDN 裁剪，可以通过 CDN 裁剪出 object-contain 的效果
    如果不支持 CDN ，可以自己写一个固定宽高 div ，然后根据图片宽高适配出 object-contain 的效果
    dingjs
        2
    dingjs  
       Feb 21, 2025   1
    background 为什么会糊？原 dom 就糊还是转出来糊？
    lavvrence
        3
    lavvrence  
       Feb 21, 2025   1
    Try this: https://github.com/vercel/satori
    Playground: https://og-playground.vercel.app/
    paranoia
        4
    paranoia  
    OP
       Feb 21, 2025
    @dingjs dom 中的图片本身分辨率不高，但是通过 html2canvas 或者 html-to-image 转一次后会更模糊
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