home *** CD-ROM | disk | FTP | other *** search
- #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
-