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DIBAPI.H
Package: getchar.rar [view]
Upload User: kennygump
Upload Date: 2022-07-22
Package Size: 347k
Code Size: 1k
Category:
Graph Recognize
Development Platform:
Visual C++
- // dibapi.h
- #ifndef _INC_DIBAPI
- #define _INC_DIBAPI
- // DIB句柄
- DECLARE_HANDLE(HDIB);
- // 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)
- // 函数原型
- BOOL WINAPI PaintDIB (HDC, LPRECT, HDIB, LPRECT, CPalette* pPal);
- LPSTR WINAPI FindDIBBits (LPSTR lpbi);
- DWORD WINAPI DIBWidth (LPSTR lpDIB);
- DWORD WINAPI DIBHeight (LPSTR lpDIB);
- WORD WINAPI DIBNumColors (LPSTR lpbi);
- WORD WINAPI DIBBitCount(LPSTR lpbi);
- HGLOBAL WINAPI CopyHandle (HGLOBAL h);
- HDIB WINAPI NewDIB(long width, long height,unsigned short biBitCount);
- BOOL WINAPI SaveDIB (HDIB hDib, CFile& file);
- HDIB WINAPI ReadDIBFile(CFile& file);
- WORD WINAPI PaletteSize(LPSTR lpbi);
- #endif //!_INC_DIBAPI