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