libavcodec/sunrast.h

   1 /*
   2  * Sun Rasterfile Image Format
   3  * Copyright (c) 2007, 2008 Ivo van Poorten
   4  *
   5  * This file is part of Libav.
   6  *
   7  * Libav is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * Libav is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with Libav; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #ifndef AVCODEC_SUNRAST_H
  23 #define AVCODEC_SUNRAST_H
  24
  25 #define RAS_MAGIC 0x59a66a95
  26
  27 #define RMT_NONE      0
  28 #define RMT_EQUAL_RGB 1
  29 #define RMT_RAW       2 ///< the data layout of this map type is unknown
  30
  31 /* The Old and Standard format types indicate that the image data is
  32  * uncompressed. There is no difference between the two formats. */
  33 #define RT_OLD          0
  34 #define RT_STANDARD     1
  35
  36 /* The Byte-Encoded format type indicates that the image data is compressed
  37  * using a run-length encoding scheme. */
  38 #define RT_BYTE_ENCODED 2
  39 #define RLE_TRIGGER 0x80
  40
  41 /* The RGB format type indicates that the image is uncompressed with reverse
  42  * component order from Old and Standard (RGB vs BGR). */
  43 #define RT_FORMAT_RGB   3
  44
  45 /* The TIFF and IFF format types indicate that the raster file was originally
  46  * converted from either of these file formats. We do not have any samples or
  47  * documentation of the format details. */
  48 #define RT_FORMAT_TIFF  4
  49 #define RT_FORMAT_IFF   5
  50
  51 /* The Experimental format type is implementation-specific and is generally an
  52  * indication that the image file does not conform to the Sun Raster file
  53  * format specification. */
  54 #define RT_EXPERIMENTAL 0xffff
  55
  56 #endif /* AVCODEC_SUNRAST_H */