PBRT
/home/felix/UBC/projects/AdaptiveLightfieldSampling/pbrt_v2/src/3rdparty/openexr-1.7.0/ImfTileDescription.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_TILE_DESCRIPTION_H
00037 #define INCLUDED_IMF_TILE_DESCRIPTION_H
00038 
00039 //-----------------------------------------------------------------------------
00040 //
00041 //      class TileDescription and enum LevelMode
00042 //
00043 //-----------------------------------------------------------------------------
00044 
00045 namespace Imf {
00046 
00047 
00048 enum LevelMode
00049 {
00050     ONE_LEVEL = 0,
00051     MIPMAP_LEVELS = 1,
00052     RIPMAP_LEVELS = 2,
00053     
00054     NUM_LEVELMODES      // number of different level modes
00055 };
00056 
00057 
00058 enum LevelRoundingMode
00059 {
00060     ROUND_DOWN = 0,
00061     ROUND_UP = 1,
00062 
00063     NUM_ROUNDINGMODES   // number of different rounding modes
00064 };
00065 
00066 
00067 class TileDescription
00068 {
00069   public:
00070 
00071     unsigned int        xSize;          // size of a tile in the x dimension
00072     unsigned int        ySize;          // size of a tile in the y dimension
00073     LevelMode           mode;
00074     LevelRoundingMode   roundingMode;
00075     
00076     TileDescription (unsigned int xs = 32,
00077                      unsigned int ys = 32,
00078                      LevelMode m = ONE_LEVEL,
00079                      LevelRoundingMode r = ROUND_DOWN)
00080     :
00081         xSize (xs),
00082         ySize (ys),
00083         mode (m),
00084         roundingMode (r)
00085     {
00086         // empty
00087     }
00088 
00089     bool
00090     operator == (const TileDescription &other) const
00091     {
00092         return xSize        == other.xSize &&
00093                ySize        == other.ySize &&
00094                mode         == other.mode &&
00095                roundingMode == other.roundingMode;
00096     }
00097 };
00098 
00099 
00100 } // namespace Imf
00101 
00102 #endif