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_data {
   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 #if 0
  17
  18 enum image_format {
  19   IMAGE_FORMAT_UNDEFINED = 0,
  20   IMAGE_FORMAT_JPEG,
  21   IMAGE_FORMAT_PNG,
  22   IMAGE_FORMAT_GIF
  23 };
  24
  25 struct image_io {
  26   struct mempool *pool;
  27   struct fastbuf *fb;
  28   enum image_format format;
  29   struct image_data image;
  30   void *internals;
  31   union {
  32     struct {
  33     } jpeg;
  34     struct {
  35     } png;
  36     struct {
  37     } gif;
  38   };
  39 };
  40
  41 void image_open(struct image_io *io, struct fastbuf *fb, struct mempool *pool);
  42 void image_close(struct image_io *io);
  43 int image_read_header(struct image_io *io);
  44 int image_read_data(struct image_io *io);
  45 int image_read(struct image_io *io);
  46 int image_write(struct image_io *io);
  47
  48 #endif
  49
  50 #endif
  51