bmp.h

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00001 /* $Id: bmp.h 17248 2009-08-21 20:21:05Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #ifndef BMP_H
00013 #define BMP_H
00014 
00015 #include "gfx_type.h"
00016 
00017 struct BmpInfo {
00018   uint32 offset;       
00019   uint32 width;        
00020   uint32 height;       
00021   bool os2_bmp;        
00022   uint16 bpp;          
00023   uint32 compression;  
00024   uint32 palette_size; 
00025 };
00026 
00027 struct BmpData {
00028   Colour *palette;
00029   byte   *bitmap;
00030 };
00031 
00032 #define BMP_BUFFER_SIZE 1024
00033 
00034 struct BmpBuffer {
00035   byte data[BMP_BUFFER_SIZE];
00036   int pos;
00037   int read;
00038   FILE *file;
00039   uint real_pos;
00040 };
00041 
00042 void BmpInitializeBuffer(BmpBuffer *buffer, FILE *file);
00043 bool BmpReadHeader(BmpBuffer *buffer, BmpInfo *info, BmpData *data);
00044 bool BmpReadBitmap(BmpBuffer *buffer, BmpInfo *info, BmpData *data);
00045 void BmpDestroyData(BmpData *data);
00046 
00047 #endif /* BMP_H */

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