# bmp.h

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    00001 /* $Id$ */
    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 */