public void setFont(String spec) {
   if (!properties.containsKey(PROPERTY_FONT)) {
     properties.put(PROPERTY_FONT, renderable.getFont());
   }
   renderable.setFont(spec);
   onRenderSetProperties.put(PROPERTY_FONT, renderable.getFont());
 }
 public String getFont() {
   return renderable.getFont();
 }