!7

p {
  BufferedImage img = shootScreen2();
  Rect r = ocr_findTerminalBackground(new RGBImage(img));
  if (r == null)
    print("no terminal");
  else {
    final BufferedImage terminal = clipBufferedImage(img, r);
    final ImageSurface is = showImage(terminal);
    JSlider slider = jliveSlider(1, 50, 10, voidfunc(Int ww) {
      new L<Rect> rects;
      int w = terminal.getWidth();
      for (int x = 0; x < w; x += ww)
        rects.add(new Rect(x, 0, min(ww, w-x), terminal.getHeight()));
      is.setImage(mergeImagePartsHorizontally(new RGBImage(terminal), rects));
    });
    addToWindowWithMargin(is, sliderWithValueLabel(slider));
  }
}