!7

module WebCamFaceFinder > DynImageSurface {
  transient BufferedImage lastImage;
  FaceFinderX1 finder;

  start {
    // faceFinderX1_best
    if (finder == null) finder = faceFinderX1_starbucks();
    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(finder.get(RGBImage(img)));
    if (r != null) {
      r.y = -1;
      r.h = img.getHeight();
    }
    setSelection(r);
    setImage(img);
  }
}