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

///////////////////////////////////////////////////////////////////////////////// 
// 
//		Dib.h: interface for the CDib class. 
// 
//////////////////////////////////////////////////////////////////////////////// 
// 版权所有(2002) 
// Copyright(2002) 
// 编写者: 向世明 
// Author: Xiang Shiming 
 
 
#ifndef _CDIB_H 
#define _CDIB_H 
 
class CDib : public CObject 
{ 
	DECLARE_DYNAMIC(CDib) 
protected: 
 
	BOOL m_bValid;			//是否有效 
    RGBQUAD* m_pRGBQuad;	//RGBQUAD 表项 
    BYTE* m_pDibData;		//位图像素数据 
	LONG m_nWidth;			//宽度 
	LONG m_nHeight;			//高度 
	BYTE m_nBitCount;		//每个像素占有的位数 
    UINT m_nTotalColors;	//颜色总数 
	char* m_pszFileName; 
    BITMAPFILEHEADER* m_pBitmapFileHeader; 
    BITMAPINFOHEADER* m_pBitmapInfoHeader; 
    BITMAPINFO* m_pBitmapInfo; 
	HGLOBAL m_hDIB; 
	 
     
public: 
 
	CDib(); 
    CDib(const char* pszDibFileName); 
    ~CDib(); 
 
	int Draw(HDC hdc, int XDest, int YDest, int nDestWidth, int nDestHeight, int XSrc, int YSrc, int nSrcWidth, int nSrcHeight, UINT iUsage, DWORD dwRop); 
 
 
	DWORD GetDdbData32(LPBYTE lpbyDdb32); 
	DWORD GetDdbData24(LPBYTE lpbyDdb24); 
 
	DWORD GetDibWidthBytes(int nWidth,  BYTE byBitCount); 
	BYTE GetBitCount() const; 
    DWORD GetSize(); 
    LONG GetWidth() const; 
    LONG GetHeight() const; 
    UINT GetColorNumber() const; 
	char* GetFileName() const; 
	BOOL IsValid() const ; 
    RGBQUAD* GetRGBQuad() const ; 
    BYTE* GetDibData() const ; 
    BITMAPINFO* GetBmpInfo() const; 
 
public: 
	void ClearMemory(); 
	HPALETTE CreateBitmapPalette(); 
 
#ifdef _DEBUG 
	virtual void Dump(CDumpContext& dc) const; 
	virtual void AssertValid() const; 
#endif 
 
protected: 
	 
     
	void LoadFile(const char* pszDibFileName); 
private: 
	void Init(); 
}; 
 
#endif