public void render(Graphics graphic, int width, int height) {
   renderer.render(graphic, width, height);
 }
 public int getRenderWidth(int preferredWidth) {
   return renderer.getRenderWidth(preferredWidth);
 }
 public int getRenderHeight(int preferredHeight) {
   return renderer.getRenderHeight(preferredHeight);
 }
 public void prepareRendering() {
   renderer.prepareRendering();
 }