static BufferedImage clipBufferedImage(BufferedImage src, Rectangle clip) {
  ret src.getSubimage(clip.x, clip.y, clip.width, clip.height);
}

static BufferedImage clipBufferedImage(BufferedImage src, Rect clip) {
  ret clipBufferedImage(src, clip.getRectangle());
}

static BufferedImage clipBufferedImage(BufferedImage src, int x, int y, int w, int h) {
  ret src.getSubimage(x, y, w, h);
}