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All Projects → ColdDay → Videotogif

ColdDay / Videotogif

video to gif 视频转gif制作表情包插件（可以添加文字）

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View All Similar Projects ➔

在线DEMO体验 https://www.mofazhuan.com/video-to-gif

Chrome浏览器插件安装点这里 点这安装 Install

背景

上面这张图大家都见过吧，哈哈

现在聊天时候少不了斗图，光发静图逼格略低了些，GIF在斗图中肯定略胜一筹，手绘动画生成GIF对大多数人来说要求搞了些，不过给某人拍个搞笑的短视频，再加点逗比文字，哈哈，从此你就走上的斗图高手之列，没人敢惹你，一言不合就斗图

网上搜一下视频制作表情包，也搜到了几个，但是不多，而且大部分只是单纯的转GIF，可以添加文字的用起来也不是很方便。

更可怕的是有的制作GIF的网址超过60帧就要开通VIP，呵呵，看不下去！ 所以我决定自己贡献一个免费好用的表情包制作工具

工具主要就界面如下

工具不仅提供视频转GIF功能，而且在转换GIF的同时还能添加文字，精确到每一帧，想让文字显示在哪个位置、时间，以及文字大小颜色都可以设置，全部都是浏览器本地生成，没有任何网络请求，离线也能使用。内容随意更改，点击生成就能得到修改后的GIF

使用教程

实现过程

  1. 视频播放时通过canvas将每一帧原图保存到全局数组FPS_LIST中，同时需要把每一帧的播放时间存到图片中，视频在播放的时候，点击文字定位图标，获取当前视频播放时间，填充到文字时间输入框中
  2. 点击生成需要重新遍历FPS_LIST，为每一帧添加文字，这里需要注意的时，每行文字都有自己对应显示的时间范围，所以需要判断文字绘制在那一帧图片中。然后生成新的图片数组GIF_IMG_LIST
  3. 将图片交给gifshot，最后得到生成后的GIF

是不是很简单

需要声明的是前端生成GIF底层借助一个开源的js库，https://github.com/yahoo/gifshot 本工具是在它的基础上进行的二次开发,感谢作者开源贡献

关于谷歌浏览器开发，可以查看在线文档

工具具体实现可以访问我的github查看源代码，核心代码仅200行，如果对你有帮助，也欢迎 Star

希望我的工具能够给爱斗图的朋友们带来一些乐趣

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