!7

static ScreenLens lens;
static volatile L<Rect> segments;
static BufferedImage imageForSegments;

p-substance {
  lens = new ScreenLens;
  lens.postProcess = func(BufferedImage img) {
    BWImage bw = bwImageTo2Bit(new BWImage(img), 0.5f);
    img = bw.getBufferedImage();
    segments = autoSegment(bw, 2);
    imageForSegments = img;
    drawBoxes(img, rectsToRectangles(segments), Color.red, 0.8f);
    ret img;
  };
  lens.start();
  makeBot("Screen Lens b/w.");
}

static S answer(S s) {
  new Matches m;
  if "segments" ret structure(segments);
  
  // get both in a synchronized manner
  if "image and segments" {
    L<Rect> segments = main.segments;
    RGBImage image = new RGBImage(imageForSegments);
    ret structure(ll(image, segments));
  }
  
  ret lens.answer(s);
}