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

@param fps float frame rate (frames per second)
subs/gif-revert/src/main/java/com/engineer/gif/revert/lib/AnimatedGifEncoder.java