!7

module LiveEyebrowFinder > DynImageSurface {
  transient BufferedImage lastImage;
  EyebrowFinder1 finder;
  transient ReliableSingleThread rstUpdateImage = dm_rst(this, r updateImage);
  transient S eyebrowState;

  start {
    if (finder == null)
      finder = defaultEyebrowFinder();
    doEvery(100, rstUpdateImage);
  }
  
  visualize {
    JComponent c = super.visualize();
    imageSurface_pixelated(imageSurface);
    ret centerAndSouth(c, withMargin(setFontSize(30, makeBold(jCenteredLiveValueLabel(dm_fieldLiveValue('eyebrowState))))));
  }
  
  void updateImage enter {
    if (imageSurface == null) ret;
    final BufferedImage img = dm_webCamImage();
    temp tempAfterwards(r { lastImage = img });
    if (img == null || img == lastImage) ret;
    RectAndState found = finder.get(RGBImage(img));
    if (setField(eyebrowState := found == null ? null : found.state))
      vmBus_send('eyebrows, eyebrowState);
    setModuleName("Live Eyebrow Finder" + (found == null ? "" : " - " + found.state));
    setSelection(rectAndStateToRect(found));
    setImage(img);
  }
}

Began life as a copy of #1019539