jedi-outcast/utils/Radiant/bmp.h
2013-04-22 15:25:59 +10:00

80 lines
1.9 KiB
C

#ifndef _BMP_H
#define _BMP_H
#define xBI_NONE 0
#define xBI_RGB 0
#define xBI_RLE4 2
#define xBI_RLE8 1
#define BMP_SIGNATURE_WORD 0x4d42
#pragma pack(1)
typedef struct {
unsigned short bfType; // signature - 'BM'
unsigned long bfSize; // file size in bytes
unsigned short bfReserved1; // 0
unsigned short bfReserved2; // 0
unsigned long bfOffBits; // offset to bitmap
} bmphd_t;
typedef struct {
unsigned long biSize; // size of this struct
long biWidth; // bmap width in pixels
long biHeight; // bmap height in pixels
unsigned short biPlanes; // num planes - always 1
unsigned short biBitCount; // bits perpixel
unsigned long biCompression; // compression flag
unsigned long biSizeImage; // image size in bytes
long biXPelsPerMeter; // horz resolution
long biYPelsPerMeter; // vert resolution
unsigned long biClrUsed; // 0 -> color table size
unsigned long biClrImportant; // important color count
} binfo_t;
typedef struct {
unsigned char blue;
unsigned char green;
unsigned char red;
unsigned char reserved;
} drgb_t;
// quake expects its palette to be bgr
// this is totally backwards but what can you do
typedef struct {
unsigned char r;
unsigned char g;
unsigned char b;
} rgb_t;
typedef struct {
unsigned char b;
unsigned char g;
unsigned char r;
} bgr_t;
typedef struct {
int bpp; // bits per pixel
int width;
int height;
unsigned char *data;
rgb_t *palette;
} bitmap_t;
void LoadBMP(char *filename, bitmap_t *bit);
void FreeBMP(bitmap_t *bitmap);
void WriteBMP(char *filename, bitmap_t *bit);
void NewBMP(int width, int height, int bpp, bitmap_t *bit);
#endif