src/bitmap_util.h

   1 /*
   2   +----------------------------------------------------------------------+
   3   | Author: yoya@awm.jp                                                  |
   4   +----------------------------------------------------------------------+
   5 */
   6
   7
   8 #ifndef __BITMAP_UTIL_H__
   9 #define __BITMAP_UTIL_H__
  10
  11 #include "jpeg_segment.h"
  12
  13 extern int jpeg_size_segment(jpeg_segment_t *jpeg_seg, int *width, int *height);
  14 extern int jpeg_size(unsigned char *data, unsigned long data_len,
  15                      int *width, int *height);
  16
  17 extern int png_size(unsigned char *data, unsigned long data_len,
  18                     int *width, int *height);
  19
  20 extern int gif_size(unsigned char *data, unsigned long data_len,
  21                     int *width, int *height);
  22
  23 extern int detect_bitmap_format(unsigned char *data, unsigned long data_len);
  24
  25 extern int bitmap_size(unsigned char *data, unsigned long data_len,
  26                      int *width, int *height);
  27
  28 #define BITMAP_UTIL_FORMAT_UNKNOWN 0
  29 #define BITMAP_UTIL_FORMAT_JPEG    1
  30 #define BITMAP_UTIL_FORMAT_PNG     2
  31 #define BITMAP_UTIL_FORMAT_GIF     4
  32
  33 #endif /* __BITMAP_UTIL_H__ */