images/images.h

   1 #ifndef _IMAGES_IMAGES_H
   2 #define _IMAGES_IMAGES_H
   3
   4 enum image_flag {
   5   IMAGE_GRAYSCALE = 0x1,        /* grayscale image */
   6 };
   7
   8 struct image {
   9   uns flags;                    /* enum image_flag */
  10   uns width;                    /* number of columns */
  11   uns height;                   /* number of rows */
  12   uns size;                     /* buffer size in bytes */
  13   byte *pixels;                 /* RGB */
  14 };
  15
  16 enum image_format {
  17   IMAGE_FORMAT_UNDEFINED = 0,
  18   IMAGE_FORMAT_JPEG,
  19   IMAGE_FORMAT_PNG,
  20   IMAGE_FORMAT_GIF
  21 };
  22
  23 struct image_info {
  24   uns width;
  25   uns height;
  26   enum image_format format;
  27   union {
  28     struct {
  29     } jpeg;
  30     struct {
  31     } png;
  32     struct {
  33     } gif;
  34   };
  35 };
  36
  37 int read_image_header(struct image_info *info);
  38 int read_image_data(struct image_info *info);
  39
  40 #endif
  41