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
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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
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18// its contributors may be used to endorse or promote products derived
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20//
21// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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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#include "ImfNamespace.h"
45
46OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
47
48
49enum LevelMode
50{
51 ONE_LEVEL = 0,
52 MIPMAP_LEVELS = 1,
53 RIPMAP_LEVELS = 2,
54
55 NUM_LEVELMODES // number of different level modes
56};
57
58
59enum LevelRoundingMode
60{
61 ROUND_DOWN = 0,
62 ROUND_UP = 1,
63
64 NUM_ROUNDINGMODES // number of different rounding modes
65};
66
67
68class TileDescription
69{
70 public:
71
72 unsigned int xSize; // size of a tile in the x dimension
73 unsigned int ySize; // size of a tile in the y dimension
74 LevelMode mode;
75 LevelRoundingMode roundingMode;
76
77 TileDescription (unsigned int xs = 32,
78 unsigned int ys = 32,
79 LevelMode m = ONE_LEVEL,
80 LevelRoundingMode r = ROUND_DOWN)
81 :
82 xSize (xs),
83 ySize (ys),
84 mode (m),
85 roundingMode (r)
86 {
87 // empty
88 }
89
90 bool
91 operator == (const TileDescription &other) const
92 {
93 return xSize == other.xSize &&
94 ySize == other.ySize &&
95 mode == other.mode &&
96 roundingMode == other.roundingMode;
97 }
98};
99
100
101OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
102
103
104
105
106
107#endif
108

source code of include/OpenEXR/ImfTileDescription.h