static Map<S, ImageIcon> imageIcon_cache = synchroWeakHashMap();
static Lock imageIcon_lock = lock();

static ImageIcon imageIcon(S imageID) ctex {
  lock imageIcon_lock;
  imageID = fsI(imageID);
  ImageIcon ii = imageIcon_cache.get(imageID);
  if (ii == null)
    imageIcon_cache.put(imageID, ii = new ImageIcon(loadBinarySnippet(imageID).toURI().toURL());
  ret ii;
}

static ImageIcon imageIcon(BufferedImage img) {
  ret new ImageIcon(img);
}

ifclass RGBImage
  static ImageIcon imageIcon(RGBImage img) {
    ret imageIcon(img.getBufferedImage());
  }
endif