83#define BMP_MAGIC       0x4d42 
   92#define BMP_PALLEN(info)        ((info)->numcolors * 4) 
   95#define BMP_HASPAL(info)        ((info)->numcolors > 0) 
  100#define BMP_ENC_RLE8    1  
  101#define BMP_ENC_RLE4    2  
  116        int_fast16_t reserved1;
 
  119        int_fast16_t reserved2;
 
  159        int_fast16_t numplanes;
 
  165        int_fast32_t enctype;
 
  177        int_fast32_t numcolors;
 
  180        int_fast32_t mincolors;
 
  183        bmp_palent_t *palents;
 
  192#define bmp_issupported(hdr, info) \ 
  193        ((hdr)->magic == BMP_MAGIC && !(hdr)->reserved1 && \ 
  194          !(hdr)->reserved2 && (info)->numplanes == 1 && \ 
  195          ((info)->depth == 8 || (info)->depth == 24) && \ 
  196          (info)->enctype == BMP_ENC_RGB) 
  199#define bmp_haspal(info) \ 
  203int bmp_numcmpts(bmp_info_t *info);
 
  206bmp_info_t *bmp_info_create(
void);
 
  209void bmp_info_destroy(bmp_info_t *info);
 
  212int bmp_isgrayscalepal(bmp_palent_t *palents, 
int numpalents);