lib 1003956 // TinyBrain

import prophecy.common.image.BWImage;
import prophecy.common.image.Overlay;
import prophecy.common.image.ImageSurface;

static void tbShowImageAndRects(BWImage img, final L<Rectangle> rects) {
  ImageSurface is = new ImageSurface(img);
  Overlay overlay = new Overlay {
    public void paint(ImageSurface imageSurface, Graphics2D g) {
      for (Rectangle r : unnull(rects))
        imageSurface.drawSelectionRect(g, r, Color.blue, Color.white);
    }
  };
  is.setOverlay(overlay);
  showFrame(new JScrollPane(is));
}