PBRT
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00001 00002 // 00003 // Copyright (c) 2002, Industrial Light & Magic, a division of Lucas 00004 // Digital Ltd. LLC 00005 // 00006 // All rights reserved. 00007 // 00008 // Redistribution and use in source and binary forms, with or without 00009 // modification, are permitted provided that the following conditions are 00010 // met: 00011 // * Redistributions of source code must retain the above copyright 00012 // notice, this list of conditions and the following disclaimer. 00013 // * Redistributions in binary form must reproduce the above 00014 // copyright notice, this list of conditions and the following disclaimer 00015 // in the documentation and/or other materials provided with the 00016 // distribution. 00017 // * Neither the name of Industrial Light & Magic nor the names of 00018 // its contributors may be used to endorse or promote products derived 00019 // from this software without specific prior written permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00024 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00025 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00026 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00027 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00028 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00029 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00030 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00031 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00032 // 00034 00035 00036 00037 #ifndef INCLUDED_IMF_ZIP_COMPRESSOR_H 00038 #define INCLUDED_IMF_ZIP_COMPRESSOR_H 00039 00040 //----------------------------------------------------------------------------- 00041 // 00042 // class ZipCompressor -- performs zlib-style compression 00043 // 00044 //----------------------------------------------------------------------------- 00045 00046 #include <ImfCompressor.h> 00047 00048 namespace Imf { 00049 00050 00051 class ZipCompressor: public Compressor 00052 { 00053 public: 00054 00055 ZipCompressor (const Header &hdr, 00056 size_t maxScanLineSize, 00057 size_t numScanLines); 00058 00059 virtual ~ZipCompressor (); 00060 00061 virtual int numScanLines () const; 00062 00063 virtual int compress (const char *inPtr, 00064 int inSize, 00065 int minY, 00066 const char *&outPtr); 00067 00068 virtual int uncompress (const char *inPtr, 00069 int inSize, 00070 int minY, 00071 const char *&outPtr); 00072 private: 00073 00074 int _maxScanLineSize; 00075 int _numScanLines; 00076 char * _tmpBuffer; 00077 char * _outBuffer; 00078 }; 00079 00080 00081 } // namespace Imf 00082 00083 #endif