code: public void setCustomFontEnabled(final boolean ENABLED) {
          if (null == customFontEnabled) {
              _customFontEnabled = ENABLED;
              fireUpdateEvent(RESIZE_EVENT);
          } else {
              customFontEnabled.set(ENABLED);
          }
      }
docs: Defines if the control should use the given customFont
  to render all text elements
  @param ENABLED