!7

module WebCamPixelated > DynImageSurface {
  int width = 16;
  transient BufferedImage lastImage;
  
  start { doEvery(1000, rstUpdate()); }
  
  void enhanceFrame(Container f) {
    super.enhanceFrame(f);
    internalFramePopupMenuItem(f/JInternalFrame, "Width...", r {
      final JTextField tf = jtextfield(str(width));
      showFormTitled("Set Pixelated Image Width",
        "Width:", tf,
        r { setFields(width := parseInt(gtt(tf)), lastImage := null) });
    });
  }
  
  visualize {
    JComponent c = super.visualize();
    imageSurface.interpolationMode = RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR;
    ret c;
  }
  
  void update {
    if (imageSurface == null) ret;
    final BufferedImage img = dm_webCamImage();
    temp tempAfterwards(r { lastImage = img });
    if (img == null || img == lastImage) ret;
    setZoom(doubleRatio(img.getWidth(), width));
    setImage(resizeImage(img, width));
  }
}