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 #ifndef INCLUDED_IMF_TILE_DESCRIPTION_H 37 #define INCLUDED_IMF_TILE_DESCRIPTION_H 38 39 //----------------------------------------------------------------------------- 40 // 41 // class TileDescription and enum LevelMode 42 // 43 //----------------------------------------------------------------------------- 44 45 namespace Imf { 46 47 48 enum LevelMode 49 { 50 ONE_LEVEL = 0, 51 MIPMAP_LEVELS = 1, 52 RIPMAP_LEVELS = 2, 53 54 NUM_LEVELMODES // number of different level modes 55 }; 56 57 58 enum LevelRoundingMode 59 { 60 ROUND_DOWN = 0, 61 ROUND_UP = 1, 62 63 NUM_ROUNDINGMODES // number of different rounding modes 64 }; 65 66 67 class TileDescription 68 { 69 public: 70 71 unsigned int xSize; // size of a tile in the x dimension 72 unsigned int ySize; // size of a tile in the y dimension 73 LevelMode mode; 74 LevelRoundingMode roundingMode; 75 76 TileDescription (unsigned int xs = 32, 77 unsigned int ys = 32, 78 LevelMode m = ONE_LEVEL, 79 LevelRoundingMode r = ROUND_DOWN) 80 : 81 xSize (xs), 82 ySize (ys), 83 mode (m), 84 roundingMode (r) 85 { 86 // empty 87 } 88 89 bool 90 operator == (const TileDescription &other) const 91 { 92 return xSize == other.xSize && 93 ySize == other.ySize && 94 mode == other.mode && 95 roundingMode == other.roundingMode; 96 } 97 }; 98 99 100 } // namespace Imf 101 102 #endif 103
