00001 /*======================================================================= 00002 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00003 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00004 *** *** 00005 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00006 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00007 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00008 *** *** 00009 *** RESTRICTED RIGHTS LEGEND *** 00010 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00011 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00012 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00013 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00014 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00015 *** *** 00016 *** COPYRIGHT (C) 1996-2017 BY FEI S.A.S, *** 00017 *** BORDEAUX, FRANCE *** 00018 *** ALL RIGHTS RESERVED *** 00019 **=======================================================================*/ 00020 /*======================================================================= 00021 ** Author : VSG (MMM YYYY) 00022 **=======================================================================*/ 00023 00024 00025 #ifndef SO_LDM_GZIP_COMPRESSOR_H 00026 #define SO_LDM_GZIP_COMPRESSOR_H 00027 00028 #include <LDM/compressors/SoDataCompressor.h> 00029 00030 class SoZlib; 00031 00054 class SoGzipDataCompressor : public SoDataCompressor 00055 { 00056 SO_TYPED_CLASS_HEADER(); 00057 00058 public: 00062 SoGzipDataCompressor(); 00063 00067 virtual ~SoGzipDataCompressor(); 00068 00076 virtual size_t compress(void *src, size_t srcLen, const TileInfo &tileInfo); 00077 00085 virtual size_t uncompress(void *dest, size_t destLen, const TileInfo &tileInfo); 00086 00093 virtual SbString getCompressionFormatName() const { return SbString("gzip"); } 00094 00099 virtual bool isLossless() { return true; } 00100 00101 private: 00102 size_t allocateNeededSpace(size_t srcLen); 00103 00104 SoZlib* m_zlib; 00105 }; 00106 00107 #endif 00108 00109 00110