/*
* 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 Davide Pizzolato - www.xdp.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 5.99a 08/Feb/2004
* 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(at)servidor(dot)unam(dot)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"
const int RLE_COMMAND = 0;
const int RLE_ENDOFLINE = 0;
const int RLE_ENDOFBITMAP = 1;
const int RLE_DELTA = 2;
#if !defined(BI_RLE8)
#define BI_RLE8 1L
#endif
#if !defined(BI_RLE4)
#define BI_RLE4 2L
#endif
#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); }
#if CXIMAGE_SUPPORT_ENCODE
bool Encode(CxFile * hFile);
bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); }
#endif // CXIMAGE_SUPPORT_ENCODE
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
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