www.pudn.com > 20040006.zip > Dib.h

#if !defined(AFX_DIB_H__33817561_072D_11D1_8C94_000021003EA5__INCLUDED_) 
#define AFX_DIB_H__33817561_072D_11D1_8C94_000021003EA5__INCLUDED_ 
 
#if _MSC_VER >= 1000 
#pragma once 
#endif // _MSC_VER >= 1000 
// Dib.h : header file 
// 
 
#define IS_WIN30_DIB(lpbi)  ((*(LPDWORD)(lpbi)) == sizeof(BITMAPINFOHEADER)) 
#define WIDTHBYTES(bits)    (((bits) + 31) / 32 * 4) 
 
typedef HANDLE	HDIB; 
HANDLE CopyHandle (HANDLE h); 
 
//////////////////////////////////////////////////////////////////////////// 
// CDib 
class CDib : public CObject 
{                           
	DECLARE_SERIAL(CDib) 
 
// Public member 
public:  
	// Constructor 
	CDib(); 
	CDib(CDC * pDC,			 // Memory DC 
		 int nbits=0,		 // use default bits/pixel  
		 BOOL bCompr=TRUE); 
	CDib(CDC * pDC,			 // DC 
		 CBitmap *pBitmap,	 // Bitmap pointer 
		 int nbits=0,		 // use default bits/pixel  
		 BOOL bCompr=TRUE); 
	CDib(HDIB hDib,			 // DIB Handle 
		 BOOL bDataHandleOnly=TRUE); 
	virtual ~CDib(); 
	 
	virtual void Serialize(CArchive &ar); 
     
	// Operations 
    BOOL	LoadDib(UINT uIDS, LPCSTR lpszDibType = "DIB"); 
    BOOL	LoadDib(LPCSTR lpszDibRes, LPCSTR lpszDibType = "DIB"); 
    BOOL	LoadDib(LPCSTR lpszDibFile); 
    BOOL	SaveDib(LPCSTR lpszDibFile); 
 
    BOOL	Display(CDC *, CPoint ptDest, DWORD dwRop=SRCCOPY); 
	BOOL	Display(CDC *, CRect rcDest, CRect rcSrc,DWORD dwRop=SRCCOPY); 
 
	BOOL	IsEmpty(); 
    int		GetColorBits(); 
    DWORD	GetLength(); 
    WORD	GetWidth(); 
    WORD	GetHeight();     
	HDIB	GetHandle(); 
	HDIB	CopyHandle(); 
	HANDLE	CopyDataHandle(); 
    WORD	GetNumColors(); 
	WORD	GetPaletteSize(); 
	CPalette* GetPalette(); 
    CBitmap*  MakeBitmap(CDC * pDC); 
    void	SetMonoColors(DWORD dwForeground, DWORD dwBackground); 
	BOOL	GetMonoColors(DWORD& dwForeground, DWORD& dwBackground); 
 
private: 
	BOOL	AllocMemory(BOOL bRealloc=FALSE); 
	BOOL	MakePalette(); 
	BOOL	ReadDib(CFile *pFile); 
	BOOL	WriteDib(CFile *pFile); 
 
// Data 
private: 
	HDIB				m_hDib; 
	LPBITMAPFILEHEADER	m_lpBMFH; 
	LPBITMAPINFOHEADER	m_lpBMIH;	// pointer to an Win30-style DIB 
	LPBITMAPCOREHEADER	m_lpBMCH;	// pointer to an other-style DIB 
	LPBITMAPINFO		m_lpBMI;		// pointer to an Win30-style DIB 
	LPBITMAPCOREINFO	m_lpBMC;		// pointer to an other-style DIB 
 
	LPSTR		m_lpData; 
	CPalette * 	m_pPalette; 
	CBitmap	 *	m_pBitmap; 
 
	char *		m_lpBuf; 	 // DIB data buffer 
	DWORD		m_dwLength;  // total buffer length, including header 
	int			m_nBits;	 // number of color bits per pixel 
}; 
 
///////////////////////////////////////////////////////////////////////////// 
 
//{{AFX_INSERT_LOCATION}} 
// Microsoft Developer Studio will insert additional declarations immediately before the previous line. 
 
#endif // !defined(AFX_DIB_H__33817561_072D_11D1_8C94_000021003EA5__INCLUDED_)