/src/FreeImage/Source/OpenEXR/IlmImf/ImfPizCompressor.h
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 35 36#ifndef INCLUDED_IMF_PIZ_COMPRESSOR_H 37#define INCLUDED_IMF_PIZ_COMPRESSOR_H 38 39//----------------------------------------------------------------------------- 40// 41// class PizCompressor -- uses Wavelet and Huffman encoding. 42// 43//----------------------------------------------------------------------------- 44 45#include <ImfCompressor.h> 46 47namespace Imf { 48 49class ChannelList; 50 51 52class PizCompressor: public Compressor 53{ 54 public: 55 56 PizCompressor (const Header &hdr, 57 size_t maxScanLineSize, 58 size_t numScanLines); 59 60 virtual ~PizCompressor (); 61 62 virtual int numScanLines () const; 63 64 virtual Format format () const; 65 66 virtual int compress (const char *inPtr, 67 int inSize, 68 int minY, 69 const char *&outPtr); 70 71 virtual int compressTile (const char *inPtr, 72 int inSize, 73 Imath::Box2i range, 74 const char *&outPtr); 75 76 virtual int uncompress (const char *inPtr, 77 int inSize, 78 int minY, 79 const char *&outPtr); 80 81 virtual int uncompressTile (const char *inPtr, 82 int inSize, 83 Imath::Box2i range, 84 const char *&outPtr); 85 private: 86 87 struct ChannelData; 88 89 int compress (const char *inPtr, 90 int inSize, 91 Imath::Box2i range, 92 const char *&outPtr); 93 94 int uncompress (const char *inPtr, 95 int inSize, 96 Imath::Box2i range, 97 const char *&outPtr); 98 99 int _maxScanLineSize; 100 Format _format; 101 int _numScanLines; 102 unsigned short * _tmpBuffer; 103 char * _outBuffer; 104 int _numChans; 105 const ChannelList & _channels; 106 ChannelData * _channelData; 107 int _minX; 108 int _maxX; 109 int _maxY; 110}; 111 112 113} // namespace Imf 114 115#endif