ximabmp.h
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- /*
- * File: ximabmp.h
- * Purpose: BMP Image Class Loader and Writer
- */
- /* === C R E D I T S & D I S C L A I M E R S ==============
- * CxImageBMP (c) 07/Aug/2001 <ing.davide.pizzolato@libero.it>
- * Permission is given by the author to freely redistribute and include
- * this code in any program as long as this credit is given where due.
- *
- * CxImage version 5.00 23/Aug/2002
- * See the file history.htm for the complete bugfix and news report.
- *
- * Special thanks to Troels Knakkergaard for new features, enhancements and bugfixes
- *
- * original CImageBMP and CImageIterator implementation are:
- * Copyright: (c) 1995, Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
- *
- * COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
- * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
- * THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
- * OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
- * CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
- * THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
- * SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
- * PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
- * THIS DISCLAIMER.
- *
- * Use at your own risk!
- * ==========================================================
- */
- #if !defined(__ximaBMP_h)
- #define __ximaBMP_h
- #include "ximage.h"
- #if CXIMAGE_SUPPORT_BMP
- class CxImageBMP: public CxImage
- {
- public:
- CxImageBMP(): CxImage(CXIMAGE_FORMAT_BMP) {};
- bool Decode(CxFile * hFile);
- bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); }
- bool Encode(CxFile * hFile);
- bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); }
- protected:
- bool DibReadBitmapInfo(CxFile* fh, BITMAPINFOHEADER *pdib);
- };
- #define BFT_ICON 0x4349 /* 'IC' */
- #define BFT_BITMAP 0x4d42 /* 'BM' */
- #define BFT_CURSOR 0x5450 /* 'PT' */
- #ifndef WIDTHBYTES
- #define WIDTHBYTES(i) ((unsigned)((i+31)&(~31))/8) /* ULONG aligned ! */
- #endif
- #define DibWidthBytesN(lpbi, n) (UINT)WIDTHBYTES((UINT)(lpbi)->biWidth * (UINT)(n))
- #define DibWidthBytes(lpbi) DibWidthBytesN(lpbi, (lpbi)->biBitCount)
- #define DibSizeImage(lpbi) ((lpbi)->biSizeImage == 0
- ? ((DWORD)(UINT)DibWidthBytes(lpbi) * (DWORD)(UINT)(lpbi)->biHeight)
- : (lpbi)->biSizeImage)
- #define DibNumColors(lpbi) ((lpbi)->biClrUsed == 0 && (lpbi)->biBitCount <= 8
- ? (int)(1 << (int)(lpbi)->biBitCount)
- : (int)(lpbi)->biClrUsed)
- #define FixBitmapInfo(lpbi) if ((lpbi)->biSizeImage == 0)
- (lpbi)->biSizeImage = DibSizeImage(lpbi);
- if ((lpbi)->biClrUsed == 0)
- (lpbi)->biClrUsed = DibNumColors(lpbi);
- #endif
- #endif