src/libjpeg/jpeg-marker.h

   1 /* jpeg-marker.h
   2  *
   3  * Copyright © 2001 Lutz Müller <lutz@users.sourceforge.net>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  * Boston, MA  02110-1301  USA.
  19  */
  20 #ifndef __JPEG_MARKER_H__
  21 #define __JPEG_MARKER_H__
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif /* __cplusplus */
  26
  27 typedef enum {
  28         JPEG_MARKER_SOF0        = 0xc0,
  29         JPEG_MARKER_SOF1        = 0xc1,
  30         JPEG_MARKER_SOF2        = 0xc2,
  31         JPEG_MARKER_SOF3        = 0xc3,
  32         JPEG_MARKER_DHT         = 0xc4,
  33         JPEG_MARKER_SOF5        = 0xc5,
  34         JPEG_MARKER_SOF6        = 0xc6,
  35         JPEG_MARKER_SOF7        = 0xc7,
  36         JPEG_MARKER_JPG         = 0xc8,
  37         JPEG_MARKER_SOF9        = 0xc9,
  38         JPEG_MARKER_SOF10       = 0xca,
  39         JPEG_MARKER_SOF11       = 0xcb,
  40         JPEG_MARKER_DAC         = 0xcc,
  41         JPEG_MARKER_SOF13       = 0xcd,
  42         JPEG_MARKER_SOF14       = 0xce,
  43         JPEG_MARKER_SOF15       = 0xcf,
  44         JPEG_MARKER_RST0        = 0xd0,
  45         JPEG_MARKER_RST1        = 0xd1,
  46         JPEG_MARKER_RST2        = 0xd2,
  47         JPEG_MARKER_RST3        = 0xd3,
  48         JPEG_MARKER_RST4        = 0xd4,
  49         JPEG_MARKER_RST5        = 0xd5,
  50         JPEG_MARKER_RST6        = 0xd6,
  51         JPEG_MARKER_RST7        = 0xd7,
  52         JPEG_MARKER_SOI         = 0xd8,
  53         JPEG_MARKER_EOI         = 0xd9,
  54         JPEG_MARKER_SOS         = 0xda,
  55         JPEG_MARKER_DQT         = 0xdb,
  56         JPEG_MARKER_DNL         = 0xdc,
  57         JPEG_MARKER_DRI         = 0xdd,
  58         JPEG_MARKER_DHP         = 0xde,
  59         JPEG_MARKER_EXP         = 0xdf,
  60         JPEG_MARKER_APP0        = 0xe0,
  61         JPEG_MARKER_APP1        = 0xe1,
  62         JPEG_MARKER_APP2        = 0xe2,
  63         JPEG_MARKER_APP3        = 0xe3,
  64         JPEG_MARKER_APP4        = 0xe4,
  65         JPEG_MARKER_APP5        = 0xe5,
  66         JPEG_MARKER_APP6        = 0xe6,
  67         JPEG_MARKER_APP7        = 0xe7,
  68         JPEG_MARKER_APP8        = 0xe8,
  69         JPEG_MARKER_APP9        = 0xe9,
  70         JPEG_MARKER_APP10       = 0xea,
  71         JPEG_MARKER_APP11       = 0xeb,
  72         JPEG_MARKER_APP12       = 0xec,
  73         JPEG_MARKER_APP13       = 0xed,
  74         JPEG_MARKER_APP14       = 0xee,
  75         JPEG_MARKER_APP15       = 0xef,
  76         JPEG_MARKER_JPG0        = 0xf0,
  77         JPEG_MARKER_JPG1        = 0xf1,
  78         JPEG_MARKER_JPG2        = 0xf2,
  79         JPEG_MARKER_JPG3        = 0xf3,
  80         JPEG_MARKER_JPG4        = 0xf4,
  81         JPEG_MARKER_JPG5        = 0xf5,
  82         JPEG_MARKER_JPG6        = 0xf6,
  83         JPEG_MARKER_JPG7        = 0xf7,
  84         JPEG_MARKER_JPG8        = 0xf8,
  85         JPEG_MARKER_JPG9        = 0xf9,
  86         JPEG_MARKER_JPG10       = 0xfa,
  87         JPEG_MARKER_JPG11       = 0xfb,
  88         JPEG_MARKER_JPG12       = 0xfc,
  89         JPEG_MARKER_JPG13       = 0xfd,
  90         JPEG_MARKER_COM         = 0xfe
  91 } JPEGMarker;
  92
  93 #define JPEG_IS_MARKER(m) (((m) >= JPEG_MARKER_SOF0) &&         \
  94                            ((m) <= JPEG_MARKER_COM))
  95
  96 const char *jpeg_marker_get_name        (JPEGMarker marker);
  97 const char *jpeg_marker_get_description (JPEGMarker marker);
  98
  99 #ifdef __cplusplus
 100 }
 101 #endif /* __cplusplus */
 102
 103 #endif /* __JPEG_MARKER_H__ */