ImfTileDescription.h 3.1 KB

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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. #ifndef INCLUDED_IMF_TILE_DESCRIPTION_H
  35. #define INCLUDED_IMF_TILE_DESCRIPTION_H
  36. //-----------------------------------------------------------------------------
  37. //
  38. // class TileDescription and enum LevelMode
  39. //
  40. //-----------------------------------------------------------------------------
  41. #include "ImfNamespace.h"
  42. OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
  43. enum LevelMode
  44. {
  45. ONE_LEVEL = 0,
  46. MIPMAP_LEVELS = 1,
  47. RIPMAP_LEVELS = 2,
  48. NUM_LEVELMODES // number of different level modes
  49. };
  50. enum LevelRoundingMode
  51. {
  52. ROUND_DOWN = 0,
  53. ROUND_UP = 1,
  54. NUM_ROUNDINGMODES // number of different rounding modes
  55. };
  56. class TileDescription
  57. {
  58. public:
  59. unsigned int xSize; // size of a tile in the x dimension
  60. unsigned int ySize; // size of a tile in the y dimension
  61. LevelMode mode;
  62. LevelRoundingMode roundingMode;
  63. TileDescription (unsigned int xs = 32,
  64. unsigned int ys = 32,
  65. LevelMode m = ONE_LEVEL,
  66. LevelRoundingMode r = ROUND_DOWN)
  67. :
  68. xSize (xs),
  69. ySize (ys),
  70. mode (m),
  71. roundingMode (r)
  72. {
  73. // empty
  74. }
  75. bool
  76. operator == (const TileDescription &other) const
  77. {
  78. return xSize == other.xSize &&
  79. ySize == other.ySize &&
  80. mode == other.mode &&
  81. roundingMode == other.roundingMode;
  82. }
  83. };
  84. OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
  85. #endif