class FrameWithImages {
  JFrame frame;
  ImageSurface[] surfaces;
  int n;

  *(int numImages) {
    this(numImages, false);
  }
  
  *(int numImages, boolean scroll) {
    frame = new JFrame("A JavaX Frame");
    
    n = numImages;
    JPanel grid = new JPanel(new GridLayout(n, 1));
    surfaces = new ImageSurface[n];
    for (int i = 0; i < n; i++) {
      surfaces[i] = new ImageSurface();
      grid.add(scroll ? new JScrollPane(surfaces[i]) : surfaces[i]);
    }
    
    frame.add(grid);
    frame.setBounds(100, 100, 100+400+20, 100+600);
  }
  
  void hop() {
    frame.setVisible(true);
    exitOnFrameClose(frame);
  }
  
  void setImage(int i, RGBImage img) {
    if (i >= 0 && i < n)
      surfaces[i].setImage(img);
  }
  
  void setImage(int i, BufferedImage img) {
    if (i >= 0 && i < n)
      surfaces[i].setImage(img);
  }
  
  void setInnerSize(RGBImage img) {
    setInnerSize(img.getWidth(), img.getHeight());
  }
  
  void setInnerSize(int w, int h) {
    double zoom = surfaces[0].getZoomX();
    frame.setSize((int) (w*zoom)+20, (int) (h*zoom*n)+40); // todo...
  }
  
  void setZoom(double zoom) {
    for (ImageSurface s : surfaces) s.setZoom(zoom);
  }
  
  static void exitOnFrameClose(JFrame frame) {
    if (!Boolean.TRUE.equals(getOpt(main.class, "_noExit")))
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  }
  
  !include #1001101 // getOpt for exitOnFrameClose
}