source: NonGTP/OpenEXR/include/IlmImf/ImfTileDescription.h @ 855

Revision 855, 3.1 KB checked in by igarcia, 19 years ago (diff)
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1///////////////////////////////////////////////////////////////////////////
2//
3// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
4// Digital Ltd. LLC
5//
6// All rights reserved.
7//
8// Redistribution and use in source and binary forms, with or without
9// modification, are permitted provided that the following conditions are
10// met:
11// *       Redistributions of source code must retain the above copyright
12// notice, this list of conditions and the following disclaimer.
13// *       Redistributions in binary form must reproduce the above
14// copyright notice, this list of conditions and the following disclaimer
15// in the documentation and/or other materials provided with the
16// distribution.
17// *       Neither the name of Industrial Light & Magic nor the names of
18// its contributors may be used to endorse or promote products derived
19// from this software without specific prior written permission.
20//
21// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32//
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
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