/
IMG_bmp.c
69 lines (53 loc) · 1.62 KB
/
IMG_bmp.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
/*
SDL_image: An example image loading library for use with SDL
Copyright (C) 1999-2004 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
slouken@libsdl.org
*/
/* $Id$ */
/* This is a BMP image file loading framework */
#include <stdio.h>
#include <string.h>
#include "SDL_image.h"
#ifdef LOAD_BMP
/* See if an image is contained in a data source */
int IMG_isBMP(SDL_RWops *src)
{
int is_BMP;
char magic[2];
is_BMP = 0;
if ( SDL_RWread(src, magic, 2, 1) ) {
if ( strncmp(magic, "BM", 2) == 0 ) {
is_BMP = 1;
}
}
return(is_BMP);
}
/* Load a BMP type image from an SDL datasource */
SDL_Surface *IMG_LoadBMP_RW(SDL_RWops *src)
{
return(SDL_LoadBMP_RW(src, 0));
}
#else
/* See if an image is contained in a data source */
int IMG_isBMP(SDL_RWops *src)
{
return(0);
}
/* Load a BMP type image from an SDL datasource */
SDL_Surface *IMG_LoadBMP_RW(SDL_RWops *src)
{
return(NULL);
}
#endif /* LOAD_BMP */