/src/FreeImage/Source/OpenEXR/IlmImf/ImfTileDescription.h

  1///////////////////////////////////////////////////////////////////////////
  2//
  3// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
  4// Digital Ltd. LLC
  5// 
  6// All rights reserved.
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 33///////////////////////////////////////////////////////////////////////////
 34
 35
 36#ifndef INCLUDED_IMF_TILE_DESCRIPTION_H
 37#define INCLUDED_IMF_TILE_DESCRIPTION_H
 38
 39//-----------------------------------------------------------------------------
 40//
 41//	class TileDescription and enum LevelMode
 42//
 43//-----------------------------------------------------------------------------
 44
 45namespace Imf {
 46
 47
 48enum LevelMode
 49{
 50    ONE_LEVEL = 0,
 51    MIPMAP_LEVELS = 1,
 52    RIPMAP_LEVELS = 2,
 53    
 54    NUM_LEVELMODES	// number of different level modes
 55};
 56
 57
 58enum LevelRoundingMode
 59{
 60    ROUND_DOWN = 0,
 61    ROUND_UP = 1,
 62
 63    NUM_ROUNDINGMODES	// number of different rounding modes
 64};
 65
 66
 67class TileDescription
 68{
 69  public:
 70
 71    unsigned int	xSize;		// size of a tile in the x dimension
 72    unsigned int	ySize;		// size of a tile in the y dimension
 73    LevelMode		mode;
 74    LevelRoundingMode	roundingMode;
 75    
 76    TileDescription (unsigned int xs = 32,
 77		     unsigned int ys = 32,
 78                     LevelMode m = ONE_LEVEL,
 79		     LevelRoundingMode r = ROUND_DOWN)
 80    :
 81        xSize (xs),
 82	ySize (ys),
 83	mode (m),
 84	roundingMode (r)
 85    {
 86	// empty
 87    }
 88
 89    bool
 90    operator == (const TileDescription &other) const
 91    {
 92	return xSize        == other.xSize &&
 93	       ySize        == other.ySize &&
 94	       mode         == other.mode &&
 95	       roundingMode == other.roundingMode;
 96    }
 97};
 98
 99
100} // namespace Imf
101
102#endif