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

https://bitbucket.org/cabalistic/ogredeps/ · C++ Header · 115 lines · 54 code · 23 blank · 38 comment · 0 complexity · 1670ba296edbc19330980f92ddedbbaa MD5 · raw file

  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_PIZ_COMPRESSOR_H
  35. #define INCLUDED_IMF_PIZ_COMPRESSOR_H
  36. //-----------------------------------------------------------------------------
  37. //
  38. // class PizCompressor -- uses Wavelet and Huffman encoding.
  39. //
  40. //-----------------------------------------------------------------------------
  41. #include <ImfCompressor.h>
  42. namespace Imf {
  43. class ChannelList;
  44. class PizCompressor: public Compressor
  45. {
  46. public:
  47. PizCompressor (const Header &hdr,
  48. size_t maxScanLineSize,
  49. size_t numScanLines);
  50. virtual ~PizCompressor ();
  51. virtual int numScanLines () const;
  52. virtual Format format () const;
  53. virtual int compress (const char *inPtr,
  54. int inSize,
  55. int minY,
  56. const char *&outPtr);
  57. virtual int compressTile (const char *inPtr,
  58. int inSize,
  59. Imath::Box2i range,
  60. const char *&outPtr);
  61. virtual int uncompress (const char *inPtr,
  62. int inSize,
  63. int minY,
  64. const char *&outPtr);
  65. virtual int uncompressTile (const char *inPtr,
  66. int inSize,
  67. Imath::Box2i range,
  68. const char *&outPtr);
  69. private:
  70. struct ChannelData;
  71. int compress (const char *inPtr,
  72. int inSize,
  73. Imath::Box2i range,
  74. const char *&outPtr);
  75. int uncompress (const char *inPtr,
  76. int inSize,
  77. Imath::Box2i range,
  78. const char *&outPtr);
  79. int _maxScanLineSize;
  80. Format _format;
  81. int _numScanLines;
  82. unsigned short * _tmpBuffer;
  83. char * _outBuffer;
  84. int _numChans;
  85. const ChannelList & _channels;
  86. ChannelData * _channelData;
  87. int _minX;
  88. int _maxX;
  89. int _maxY;
  90. };
  91. } // namespace Imf
  92. #endif