diff options
Diffstat (limited to 'roms/seabios/src/bmp.c')
| -rw-r--r-- | roms/seabios/src/bmp.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/roms/seabios/src/bmp.c b/roms/seabios/src/bmp.c index 0d54efda4..d8e76b789 100644 --- a/roms/seabios/src/bmp.c +++ b/roms/seabios/src/bmp.c @@ -6,8 +6,17 @@ * * This work is licensed under the terms of the GNU LGPLv3. */ -#include "util.h" -#include "bmp.h" +#include "malloc.h" // malloc_tmphigh +#include "string.h" // memcpy +#include "util.h" // struct bmp_decdata + +struct bmp_decdata { + struct tagRGBQUAD *quadp; + unsigned char *datap; + int width; + int height; + int bpp; +}; #define bmp_load4byte(addr) (*(u32 *)(addr)) #define bmp_load2byte(addr) (*(u16 *)(addr)) @@ -58,12 +67,14 @@ static void raw_data_format_adjust_24bpp(u8 *src, u8 *dest, int width, } } +/* allocate decdata struct */ struct bmp_decdata *bmp_alloc(void) { struct bmp_decdata *bmp = malloc_tmphigh(sizeof(*bmp)); return bmp; } +/* extract information from bmp file data */ int bmp_decode(struct bmp_decdata *bmp, unsigned char *data, int data_size) { if (data_size < 54) @@ -83,13 +94,14 @@ int bmp_decode(struct bmp_decdata *bmp, unsigned char *data, int data_size) return 0; } +/* get bmp properties */ void bmp_get_size(struct bmp_decdata *bmp, int *width, int *height) { *width = bmp->width; *height = bmp->height; } - +/* flush flat picture data to *pc */ int bmp_show(struct bmp_decdata *bmp, unsigned char *pic, int width , int height, int depth, int bytes_per_line_dest) { |