public boolean start(String file) {
        boolean ok = true;
        try {
            out = new BufferedOutputStream(new FileOutputStream(file));
            ok = start(out);
            closeStream = true;
        } catch (IOException e) {
            ok = false;
        }
        return started = ok;
    }
Initiates writing of a GIF file with the specified name.

@param file String containing output file name.
@return false if open or initial write failed.
plugins/base-plugin/src/main/java/com/github/hui/quick/plugin/base/gif/GifEncoder.java