OpenTTD Source: src/bmp.h Source File

OpenTTD Source 14.0-beta1

bmp.h
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1 /*
2 * This file is part of OpenTTD.
3 * 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.
4 * 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.
5 * 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/>.
6 */
7
10 #ifndef BMP_H
11 #define BMP_H
12
13 #include "gfx_type.h"
14
15 struct BmpInfo {
16 uint32_t offset;
17 uint32_t width;
18 uint32_t height;
19 bool os2_bmp;
20 uint16_t bpp;
21 uint32_t compression;
22 uint32_t palette_size;
23 };
24
25 struct BmpData {
26 Colour *palette;
27 byte *bitmap;
28 };
29
30 #define BMP_BUFFER_SIZE 1024
31
32 struct BmpBuffer {
33 byte data[BMP_BUFFER_SIZE];
34 int pos;
35 int read;
36 FILE *file;
37 uint real_pos;
38 };
39
40 void BmpInitializeBuffer(BmpBuffer *buffer, FILE *file);
41 bool BmpReadHeader(BmpBuffer *buffer, BmpInfo *info, BmpData *data);
42 bool BmpReadBitmap(BmpBuffer *buffer, BmpInfo *info, BmpData *data);
43 void BmpDestroyData(BmpData *data);
44
45 #endif /* BMP_H */
BmpInfo::height
uint32_t height
bitmap height
Definition: bmp.h:18
BmpInfo
Definition: bmp.h:15
BmpInfo::offset
uint32_t offset
offset of bitmap data from .bmp file beginning
Definition: bmp.h:16
BmpInfo::bpp
uint16_t bpp
bits per pixel
Definition: bmp.h:20
BmpInfo::palette_size
uint32_t palette_size
number of colours in palette
Definition: bmp.h:22
BmpBuffer
Definition: bmp.h:32
Colour
Structure to access the alpha, red, green, and blue channels from a 32 bit number.
Definition: gfx_type.h:159
BmpInfo::os2_bmp
bool os2_bmp
true if OS/2 1.x or windows 2.x bitmap
Definition: bmp.h:19
BmpData
Definition: bmp.h:25
gfx_type.h
BmpInfo::width
uint32_t width
bitmap width
Definition: bmp.h:17
BmpInfo::compression
uint32_t compression
compression method (0 = none, 1 = 8-bit RLE, 2 = 4-bit RLE)
Definition: bmp.h:21