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103 lines
3.0 KiB
C
103 lines
3.0 KiB
C
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///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDED_IMF_TILE_DESCRIPTION_H
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#define INCLUDED_IMF_TILE_DESCRIPTION_H
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//-----------------------------------------------------------------------------
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//
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// class TileDescription and enum LevelMode
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//
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//-----------------------------------------------------------------------------
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namespace Imf {
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enum LevelMode
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{
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ONE_LEVEL = 0,
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MIPMAP_LEVELS = 1,
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RIPMAP_LEVELS = 2,
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NUM_LEVELMODES // number of different level modes
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};
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enum LevelRoundingMode
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{
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ROUND_DOWN = 0,
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ROUND_UP = 1,
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NUM_ROUNDINGMODES // number of different rounding modes
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};
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class TileDescription
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{
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public:
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unsigned int xSize; // size of a tile in the x dimension
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unsigned int ySize; // size of a tile in the y dimension
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LevelMode mode;
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LevelRoundingMode roundingMode;
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TileDescription (unsigned int xs = 32,
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unsigned int ys = 32,
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LevelMode m = ONE_LEVEL,
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LevelRoundingMode r = ROUND_DOWN)
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:
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xSize (xs),
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ySize (ys),
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mode (m),
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roundingMode (r)
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{
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// empty
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}
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bool
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operator == (const TileDescription &other) const
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{
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return xSize == other.xSize &&
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ySize == other.ySize &&
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mode == other.mode &&
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roundingMode == other.roundingMode;
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}
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};
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} // namespace Imf
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#endif
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