!7

module WebCamFaceFinder > DynImageSurface {
  transient BufferedImage lastImage;
  
  start { doEvery(100, rstUpdate()); }
  
  afterVisualize { imageSurface_pixelated(imageSurface); }
  
  void update {
    if (imageSurface == null) ret;
    final BufferedImage img = dm_webCamImage();
    temp tempAfterwards(r { lastImage = img });
    if (img == null || img == lastImage) ret;
    Rect r = cloneRect(faceFinderX1_best().get(RGBImage(img)));
    if (r != null) {
      r.y = -1;
      r.h = img.getHeight();
    }
    setSelection(r);
    setImage(img);
  }
}