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