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sunrast.h
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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 */