www.pudn.com > MotionEstimation.rar > Dib.h

// Dib.h: interface for the CDib class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#ifndef _INC_DIB 
#define _INC_DIB 
 
/* DIB constants */ 
#define PALVERSION   0x300 
 
/* Dib Header Marker - used in writing DIBs to files */ 
#define DIB_HEADER_MARKER   ((WORD) ('M' << 8) | 'B') 
 
/* DIB Macros*/ 
#define RECTWIDTH(lpRect)     ((lpRect)->right - (lpRect)->left) 
#define RECTHEIGHT(lpRect)    ((lpRect)->bottom - (lpRect)->top) 
 
// WIDTHBYTES performs DWORD-aligning of DIB scanlines.  The "bits" 
// parameter is the bit count for the scanline (biWidth * biBitCount), 
// and this macro returns the number of DWORD-aligned bytes needed 
// to hold those bits. 
 
#define WIDTHBYTES(bits)    (((bits) + 31) / 32 * 4) 
 
class CDib : public CObject 
{ 
	DECLARE_DYNAMIC(CDib) 
 
// Constructors 
public: 
	CDib(); 
 
// Attributes 
protected: 
 
	LPBITMAPINFO m_pBMI; 
public:	 
	CPalette* m_pPalette; 
	LPBYTE m_pBits; 
public: 
	DWORD Width()     const; 
	DWORD Height()    const; 
	WORD  NumColors() const; 
	BOOL  IsValid()   const { return (m_pBMI != NULL); } 
 
// Operations 
public: 
	BOOL  Paint(HDC hDC, LPRECT lpDCRect= NULL, LPRECT lpDIBRect=NULL) const; 
	HGLOBAL CopyToHandle()           const; 
	DWORD Save(CFile& file)          const; 
	DWORD Read(CFile& file); 
	DWORD ReadFromHandle(HGLOBAL hGlobal); 
	void Invalidate() { Free(); } 
 
	virtual void Serialize(CArchive& ar); 
 
// Implementation 
public: 
	virtual ~CDib(); 
 
protected: 
	BOOL  CreatePalette(); 
	WORD  PaletteSize() const; 
 
	void Free(); 
	// ÄæÐòÖÃÂÒ 
public: 
	int GETXY_Y(int x,int y); 
	int GETXY_U(int x,int y); 
	int GETXY_V(int x,int y); 
	int YUV_R(float Y,float U,float V); 
	int YUV_G(float Y,float U,float V); 
	int YUV_B(float Y,float U,float V); 
	float RGB_Y(int R,int G,int B); 
	float RGB_U(int R,int G,int B); 
	float RGB_V(int R,int G,int B); 
	void SetXYR(int x,int y,int val); 
	void SetXYG(int x,int y,int val); 
	void SetXYB(int x,int y,int val); 
	int GetXYR(int x,int y); 
	int GetXYG(int x,int y); 
	int GetXYB(int x,int y); 
	DWORD Save(LPCSTR filename); 
	DWORD Read(CString filename); 
	CDib& operator =(CDib &dib); 
	void ConvertToRGB(); 
	void Copy(CDib& dib ); 
 
 
	void ToGray(); 
	void SetXY8(int x, int y, int val); 
	int GetXY8(int x, int y); 
	BOOL IsGray(); 
#ifdef _DEBUG 
	virtual void Dump(CDumpContext& dc) const; 
#endif 
 
protected: 
 
}; 
 
#endif //!_INC_DIB