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

// Dib.h: interface for the CDib class. 
////////////////////////////////////////////////////////////////////// 
// 
//用途：IconSnap所需调用的类 
//功能：DIB设备无关位图基础操作类 
//作者：徐景周 
//日期：2001年9月 
// 
////////////////////////////////////////////////////////////////////// 
#if !defined(AFX_DIB_H__1D89F734_EABB_4AFC_A3CD_DDEBA1E58AF3__INCLUDED_) 
#define AFX_DIB_H__1D89F734_EABB_4AFC_A3CD_DDEBA1E58AF3__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
// How wide, in bytes, would this many bits be, DWORD aligned? 
#define WIDTHBYTES(bits)      ((((bits) + 31)>>5)<<2) 
 
class CDib   
{ 
public: 
	CDib(); 
	virtual ~CDib(); 
 
public: 
    LPSTR FindDIBBits (LPSTR lpbi); 
	WORD DIBNumColors (LPSTR lpbi); 
	WORD PaletteSize (LPSTR lpbi); 
	DWORD BytesPerLine( LPBITMAPINFOHEADER lpBMIH ); 
	LPBYTE ConvertDIBFormat( LPBITMAPINFO lpSrcDIB, UINT nWidth, UINT nHeight, UINT nColors, BOOL bStretch ); 
	void SetMonoDIBPixel( LPBYTE pANDBits, DWORD dwWidth, DWORD dwHeight, DWORD x, DWORD y, BOOL bWhite ); 
	LPBYTE ReadBMPFile( LPCTSTR szFileName ); 
	BOOL WriteBMPFile( LPCTSTR szFileName, LPBYTE lpDIB ); 
 
private: 
	BOOL CopyColorTable( LPBITMAPINFO lpTarget, LPBITMAPINFO lpSource ); 
 
}; 
 
#endif // !defined(AFX_DIB_H__1D89F734_EABB_4AFC_A3CD_DDEBA1E58AF3__INCLUDED_)