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Aaaaaaaty avatar Aaaaaaaty commented on July 21, 2024

@pcjgithub 原因大概是canvas的drawImage这个api不能直接绘制gif这种多帧的动态图

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pcjgithub avatar pcjgithub commented on July 21, 2024

哦哦，现在我们有个需求要做一个类似QQ截图功能的东西，这个可以给一个demo或者思路或者技术文档吗

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pcjgithub avatar pcjgithub commented on July 21, 2024

我自己确实不知道用什么技术才能集成那些功能，比如截图之后可以移动，截视频等多阵图

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Aaaaaaaty avatar Aaaaaaaty commented on July 21, 2024

@pcjgithub canvas目前静态图应该是可以的 但是gif和svg可能会出现些问题。截图移动纯代码就可以控制你的截图框，截视频的话我不确定canvas2html里面绘制video标签出来的效果，如果可以绘制出某一帧，那么也许可以当你截图的时候自动暂停播放去绘制。总的来说截图需要基于html2canvas 你可以看看它的文档，什么东西可以从html转换为canvas 剩下截取的部分就很容易了

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