www.pudn.com > vcframe.rar > DIBAPI.H

// dibapi.h 
 
#ifndef _INC_DIBAPI 
#define _INC_DIBAPI 
 
// DIB句柄 
DECLARE_HANDLE(HDIB); 
#include  
using namespace std; 
 
// DIB常量 
#define PALVERSION   0x300 
 
/* DIB宏 */ 
 
// 判断是否是Win 3.0的DIB 
#define IS_WIN30_DIB(lpbi)  ((*(LPDWORD)(lpbi)) == sizeof(BITMAPINFOHEADER)) 
 
// 计算矩形区域的宽度 
#define RECTWIDTH(lpRect)     ((lpRect)->right - (lpRect)->left) 
 
// 计算矩形区域的高度 
#define RECTHEIGHT(lpRect)    ((lpRect)->bottom - (lpRect)->top) 
 
// 在计算图像大小时，采用公式：biSizeImage = biWidth' × biHeight。 
// 是biWidth'，而不是biWidth，这里的biWidth'必须是4的整倍数，表示 
// 大于或等于biWidth的，离4最近的整倍数。WIDTHBYTES就是用来计算 
// biWidth' 
#define WIDTHBYTES(bits)    (((bits) + 31) / 32 * 4) 
 
// PCX文件头结构 
typedef struct{ 
		 BYTE bManufacturer; 
		 BYTE bVersion; 
		 BYTE bEncoding; 
		 BYTE bBpp; 
		 WORD wLeft; 
		 WORD wTop; 
		 WORD wRight; 
		 WORD wBottom; 
		 WORD wXResolution; 
		 WORD wYResolution; 
		 BYTE bPalette[48]; 
		 BYTE bReserved; 
		 BYTE bPlanes; 
		 WORD wLineBytes; 
		 WORD wPaletteType; 
		 WORD wSrcWidth; 
		 WORD wSrcDepth; 
		 BYTE bFiller[54]; 
} PCXHEADER; 
 
// 函数原型 
BOOL      WINAPI  PaintDIB (HDC, LPRECT, HDIB, LPRECT, CPalette* pPal); 
BOOL      WINAPI  CreateDIBPalette(HDIB hDIB, CPalette* cPal); 
LPSTR     WINAPI  FindDIBBits (LPSTR lpbi); 
DWORD     WINAPI  DIBWidth (LPSTR lpDIB); 
DWORD     WINAPI  DIBHeight (LPSTR lpDIB); 
WORD      WINAPI  PaletteSize (LPSTR lpbi); 
WORD      WINAPI  DIBNumColors (LPSTR lpbi); 
WORD	  WINAPI  DIBBitCount(LPSTR lpbi); 
HGLOBAL   WINAPI  CopyHandle (HGLOBAL h); 
HDIB CreateDIB(DWORD dwWidth, DWORD dwHeight, BYTE wBitCount) ; 
 
BOOL      WINAPI  SaveDIB (HDIB hDib, CFile& file); 
HDIB      WINAPI  ReadDIBFile(CFile& file); 
 
BOOL      WINAPI  DIBToPCX256(LPSTR lpDIB, CFile& file); 
HDIB      WINAPI  ReadPCX256(CFile& file); 
HDIB      WINAPI  CreateGrayDIB(DWORD Width,DWORD Height); 
 
VOID WINAPI FFT(complex * TD, complex * FD, int r); 
VOID WINAPI IFFT(complex * FD, complex * TD, int r); 
BOOL WINAPI Fourier(LPSTR lpDIBBits, LONG lWidth, LONG lHeight); 
BOOL WINAPI SaveBlockToDIBFile(LPCTSTR filename, WORD width,WORD height,BYTE* lpDibBits,LPCTSTR relativefilename); 
#endif //!_INC_DIBAPI