gifdec.h

   1 #ifndef GIFDEC_H
   2 #define GIFDEC_H
   3
   4 #include <stdint.h>
   5 #include <sys/types.h>
   6
   7 #ifdef __cplusplus
   8 extern "C" {
   9 #endif
  10
  11 typedef struct gd_Palette {
  12     int size;
  13     uint8_t colors[0x100 * 3];
  14 } gd_Palette;
  15
  16 typedef struct gd_GCE {
  17     uint16_t delay;
  18     uint8_t tindex;
  19     uint8_t disposal;
  20     int input;
  21     int transparency;
  22 } gd_GCE;
  23
  24 typedef struct gd_GIF {
  25     int fd;
  26     off_t anim_start;
  27     uint16_t width, height;
  28     uint16_t depth;
  29     uint16_t loop_count;
  30     gd_GCE gce;
  31     gd_Palette *palette;
  32     gd_Palette lct, gct;
  33     void (*plain_text)(
  34         struct gd_GIF *gif, uint16_t tx, uint16_t ty,
  35         uint16_t tw, uint16_t th, uint8_t cw, uint8_t ch,
  36         uint8_t fg, uint8_t bg
  37     );
  38     void (*comment)(struct gd_GIF *gif);
  39     void (*application)(struct gd_GIF *gif, char id[8], char auth[3]);
  40     uint16_t fx, fy, fw, fh;
  41     uint8_t bgindex;
  42     uint8_t *canvas, *frame;
  43 } gd_GIF;
  44
  45 gd_GIF *gd_open_gif(const char *fname);
  46 int gd_get_frame(gd_GIF *gif);
  47 void gd_render_frame(gd_GIF *gif, uint8_t *buffer);
  48 int gd_is_bgcolor(gd_GIF *gif, uint8_t color[3]);
  49 void gd_rewind(gd_GIF *gif);
  50 void gd_close_gif(gd_GIF *gif);
  51
  52 #ifdef __cplusplus
  53 }
  54 #endif
  55
  56 #endif /* GIFDEC_H */