1 /////////////////////////////////////////////////////////////////////////// 2 // 3 // Copyright (c) 2004, Industrial Light & Magic, a division of Lucas 4 // Digital Ltd. LLC 5 // 6 // All rights reserved. 7 // 8 // Redistribution and use in source and binary forms, with or without 9 // modification, are permitted provided that the following conditions are 10 // met: 11 // * Redistributions of source code must retain the above copyright 12 // notice, this list of conditions and the following disclaimer. 13 // * Redistributions in binary form must reproduce the above 14 // copyright notice, this list of conditions and the following disclaimer 15 // in the documentation and/or other materials provided with the 16 // distribution. 17 // * Neither the name of Industrial Light & Magic nor the names of 18 // its contributors may be used to endorse or promote products derived 19 // from this software without specific prior written permission. 20 // 21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 // 33 /////////////////////////////////////////////////////////////////////////// 34 35 36 37 #ifndef INCLUDED_IMF_COMPRESSION_H 38 #define INCLUDED_IMF_COMPRESSION_H 39 40 //----------------------------------------------------------------------------- 41 // 42 // enum Compression 43 // 44 //----------------------------------------------------------------------------- 45 46 namespace Imf { 47 48 49 enum Compression 50 { 51 NO_COMPRESSION = 0, // no compression 52 53 RLE_COMPRESSION = 1, // run length encoding 54 55 ZIPS_COMPRESSION = 2, // zlib compression, one scan line at a time 56 57 ZIP_COMPRESSION = 3, // zlib compression, in blocks of 16 scan lines 58 59 PIZ_COMPRESSION = 4, // piz-based wavelet compression 60 61 PXR24_COMPRESSION = 5, // lossy 24-bit float compression 62 63 B44_COMPRESSION = 6, // lossy 4-by-4 pixel block compression, 64 // fixed compression rate 65 66 B44A_COMPRESSION = 7, // lossy 4-by-4 pixel block compression, 67 // flat fields are compressed more 68 69 NUM_COMPRESSION_METHODS // number of different compression methods 70 }; 71 72 73 } // namespace Imf 74 75 #endif 76