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bmp.h
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1 /* $Id: bmp.h 17248 2009-08-21 20:21:05Z rubidium $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * 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.
6 * 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.
7 * 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/>.
8 */
9
12 #ifndef BMP_H
13 #define BMP_H
14
15 #include "gfx_type.h"
16
17 struct BmpInfo {
18 uint32 offset;
19 uint32 width;
20 uint32 height;
21 bool os2_bmp;
22 uint16 bpp;
23 uint32 compression;
24 uint32 palette_size;
25 };
26
27 struct BmpData {
28 Colour *palette;
29 byte *bitmap;
30 };
31
32 #define BMP_BUFFER_SIZE 1024
33
34 struct BmpBuffer {
35 byte data[BMP_BUFFER_SIZE];
36 int pos;
37 int read;
38 FILE *file;
39 uint real_pos;
40 };
41
42 void BmpInitializeBuffer(BmpBuffer *buffer, FILE *file);
43 bool BmpReadHeader(BmpBuffer *buffer, BmpInfo *info, BmpData *data);
44 bool BmpReadBitmap(BmpBuffer *buffer, BmpInfo *info, BmpData *data);
45 void BmpDestroyData(BmpData *data);
46
47 #endif /* BMP_H */