#define	USECLIPBLIT			1
#define	USEBLTBITMAP			2
#define USEBLTBITMAPRASTPORT		3
#define USEBLTMASKBITMAPRASTPORT	4

#define	USE_RECTCOPY		TRUE
#define	USE_SHAPECOPY		FALSE
#define	USE_ERASESHAPE		FALSE
#define	USE_DRAWSHAPE		FALSE
#define	USE_DRAWPIC		FALSE
#define USE_CLIPRECTFILL	FALSE
#define USE_MATTE		FALSE
#define	USE_DRAWMATTE		FALSE

/*
** Cliping Variables.
*/
extern	int	ClipLeft;
extern	int	ClipTop;
extern	int	ClipWidth;
extern	int	ClipHeight;