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// CBITMAPEX.H 
// CBitmap extention 
// 
// 
//___________________________________________________________________________________________ 
 
#define	IMAGEWIDTH(lpd) ((LPBITMAPINFOHEADER)lpd)->biWidth 
#define	IMAGEHEIGHT(lpd) ((LPBITMAPINFOHEADER)lpd)->biHeight 
#define	IMAGEBITS(lpd) ((LPBITMAPINFOHEADER)lpd)->biBitCount 
#define	IMAGEDATA(lpd) (((LPBYTE)lpd) + (((LPBITMAPINFOHEADER)lpd)->biSize)) 
 
#ifndef _CBITMAPEX_INCL 
#define	_CBITMAPEX_INCL 
 
class CBitmapEx : public CBitmap 
{ 
public: 
		CBitmapEx();	 
		~CBitmapEx(); 
		//load&save DDB 
		BOOL	Open(LPCSTR filename, LPCSTR DialogTitle=NULL); 
		BOOL	Save(LPCSTR filename, LPCSTR DialogTitle=NULL); 
 
		void	BitBlt(CDC *dc_to, POINT at, DWORD rop=SRCCOPY); 
		void	StretchBlt(CDC *dc_to, CRect to, DWORD rop=SRCCOPY); 
		CSize 	GetSize(); 
		 
		BOOL 	CreateMono(int dx, int dy); 
		BOOL 	CreateColor(int dx, int dy); 
		BOOL	CreateFromDib(LPBITMAPINFO lpBi); 
 
 
		BOOL	CopyRect(CBitmap& bmp, CRect& rc); 
		HANDLE	DibFromBitmap(); 
 
		CDC		*BegingModify(); 
		void	EndModify(); 
	 
static	HANDLE	DibFromBitmap(HBITMAP); 
static	DWORD	DibImageSize(HANDLE hDIB); 
 
protected: 
		CDC		_modDC; 
		CBitmap *_modBMP; 
}; 
 
#endif //_RBITMAP_INCL