public void setFrameRate(float fps) {
        if (fps != 0f) {
            delay = Math.round(100f / fps);
        }
    }
Sets frame rate in frames per second.  Equivalent to
<code>setDelay(1000/fps)</code>.

@param fps float frame rate (frames per second)
plugins/base-plugin/src/main/java/com/github/hui/quick/plugin/base/gif/GifEncoder.java