AcRxObject AcGiCommonDraw AcGiViewportDraw AcGiWorldDraw
class AcGiCommonDraw : public AcRxObject;
acgi.h
AcGiCommonDraw abstracts out the commonality between AcGiViewportDraw and AcGiWorldDraw. This allows graphics routines to be coded in terms of AcGiCommonDraw that will work in either case. To maintain their original signatures, AcGiWorldDraw and AcGiViewportDraw now derive from AcGiCommonDraw.
AcGiWorldDraw, AcGiViewportDraw