30 #include "../core/ContextItem.h" 
   31 #include "../../geometry/Envelope.h" 
   32 #include "../../color/RGBAColor.h" 
   33 #include "../../maptools/Canvas.h" 
   34 #include "../core/enum/Enums.h" 
   35 #include "../../geometry/Point.h" 
   36 #include "../core/pattern/singleton/Context.h" 
   37 #include "../core/Utils.h" 
   38 #include "../core/pattern/mvc/ItemObserver.h" 
EnumType * m_type
type of the MVC component 
 
static Enums & getInstance()
It returns a reference to the singleton instance.