PBRT
/home/felix/UBC/projects/AdaptiveLightfieldSampling/pbrt_v2/src/3rdparty/openexr-1.7.0/ImfTiledMisc.h
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 #ifndef INCLUDED_IMF_TILED_MISC_H
00037 #define INCLUDED_IMF_TILED_MISC_H
00038 
00039 //-----------------------------------------------------------------------------
00040 //
00041 //      Miscellaneous stuff related to tiled files
00042 //
00043 //-----------------------------------------------------------------------------
00044 
00045 #include "ImathBox.h"
00046 #include <ImfHeader.h>
00047 #include <stdio.h>
00048 
00049 namespace Imf {
00050 
00051 int levelSize (int min, int max, int l, LevelRoundingMode rmode);
00052 
00053 Imath::Box2i dataWindowForLevel (const TileDescription &tileDesc,
00054                                  int minX, int maxX,
00055                                  int minY, int maxY,
00056                                  int lx, int ly);
00057 
00058 Imath::Box2i dataWindowForTile (const TileDescription &tileDesc,
00059                                 int minX, int maxX,
00060                                 int minY, int maxY,
00061                                 int dx, int dy,
00062                                 int lx, int ly);
00063 
00064 size_t calculateBytesPerPixel (const Header &header);
00065 
00066 void precalculateTileInfo (const TileDescription& tileDesc,
00067                            int minX, int maxX,
00068                            int minY, int maxY,
00069                            int *&numXTiles, int *&numYTiles,
00070                            int &numXLevels, int &numYLevels);
00071 
00072 
00073 } // namespace Imf
00074 
00075 #endif