///////////////////////////////////////////////////////////////////////////

//

// 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,

// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

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// 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

//

//-----------------------------------------------------------------------------

#include "ImfNamespace.h"

OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER

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;

    }

};

OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT

#endif