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_TILED_MISC_H 37 #define INCLUDED_IMF_TILED_MISC_H 38 39 //----------------------------------------------------------------------------- 40 // 41 // Miscellaneous stuff related to tiled files 42 // 43 //----------------------------------------------------------------------------- 44 45 #include "ImathBox.h" 46 #include <ImfHeader.h> 47 #include <stdio.h> 48 49 namespace Imf { 50 51 int levelSize (int min, int max, int l, LevelRoundingMode rmode); 52 53 Imath::Box2i dataWindowForLevel (const TileDescription &tileDesc, 54 int minX, int maxX, 55 int minY, int maxY, 56 int lx, int ly); 57 58 Imath::Box2i dataWindowForTile (const TileDescription &tileDesc, 59 int minX, int maxX, 60 int minY, int maxY, 61 int dx, int dy, 62 int lx, int ly); 63 64 size_t calculateBytesPerPixel (const Header &header); 65 66 void precalculateTileInfo (const TileDescription& tileDesc, 67 int minX, int maxX, 68 int minY, int maxY, 69 int *&numXTiles, int *&numYTiles, 70 int &numXLevels, int &numYLevels); 71 72 73 } // namespace Imf 74 75 #endif 76