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00001 00002 // 00003 // Copyright (c) 2004, Industrial Light & Magic, a division of Lucas 00004 // Digital Ltd. LLC 00005 // 00006 // All rights reserved. 00007 // 00008 // Redistribution and use in source and binary forms, with or without 00009 // modification, are permitted provided that the following conditions are 00010 // met: 00011 // * Redistributions of source code must retain the above copyright 00012 // notice, this list of conditions and the following disclaimer. 00013 // * Redistributions in binary form must reproduce the above 00014 // copyright notice, this list of conditions and the following disclaimer 00015 // in the documentation and/or other materials provided with the 00016 // distribution. 00017 // * Neither the name of Industrial Light & Magic nor the names of 00018 // its contributors may be used to endorse or promote products derived 00019 // from this software without specific prior written permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00024 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00025 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00026 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00027 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00028 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00029 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00030 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00031 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00032 // 00034 00035 00036 00037 #ifndef INCLUDED_IMF_COMPRESSION_H 00038 #define INCLUDED_IMF_COMPRESSION_H 00039 00040 //----------------------------------------------------------------------------- 00041 // 00042 // enum Compression 00043 // 00044 //----------------------------------------------------------------------------- 00045 00046 namespace Imf { 00047 00048 00049 enum Compression 00050 { 00051 NO_COMPRESSION = 0, // no compression 00052 00053 RLE_COMPRESSION = 1, // run length encoding 00054 00055 ZIPS_COMPRESSION = 2, // zlib compression, one scan line at a time 00056 00057 ZIP_COMPRESSION = 3, // zlib compression, in blocks of 16 scan lines 00058 00059 PIZ_COMPRESSION = 4, // piz-based wavelet compression 00060 00061 PXR24_COMPRESSION = 5, // lossy 24-bit float compression 00062 00063 B44_COMPRESSION = 6, // lossy 4-by-4 pixel block compression, 00064 // fixed compression rate 00065 00066 B44A_COMPRESSION = 7, // lossy 4-by-4 pixel block compression, 00067 // flat fields are compressed more 00068 00069 NUM_COMPRESSION_METHODS // number of different compression methods 00070 }; 00071 00072 00073 } // namespace Imf 00074 00075 #endif