code: public SeaGlassContext getContext(JComponent c, Region subregion) {
          return getContext(c, subregion, getComponentState(c));
      }
docs: Create a SynthContext for the component and subregion. Use the current
  state.
  
  @param  c         the component.
  @param  subregion the subregion.
  
  @return the newly created SynthContext.