Panda3D
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00001 // Filename: decompressor.h 00002 // Created by: mike (09Jan97) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef DECOMPRESSOR_H 00016 #define DECOMPRESSOR_H 00017 00018 #include "pandabase.h" 00019 00020 #ifdef HAVE_ZLIB 00021 00022 #include "filename.h" 00023 00024 class Ramfile; 00025 00026 //////////////////////////////////////////////////////////////////// 00027 // Class : Decompressor 00028 // Description : This manages run-time decompression of a 00029 // zlib-compressed stream, as a background or foreground 00030 // task. 00031 //////////////////////////////////////////////////////////////////// 00032 class EXPCL_PANDAEXPRESS Decompressor { 00033 PUBLISHED: 00034 Decompressor(); 00035 ~Decompressor(); 00036 00037 int initiate(const Filename &source_file); 00038 int initiate(const Filename &source_file, const Filename &dest_file); 00039 int run(); 00040 00041 bool decompress(const Filename &source_file); 00042 bool decompress(Ramfile &source_and_dest_file); 00043 00044 PN_stdfloat get_progress() const; 00045 00046 private: 00047 void cleanup(); 00048 00049 Filename _source_filename; 00050 00051 istream *_source; 00052 istream *_decompress; 00053 ostream *_dest; 00054 00055 size_t _source_length; 00056 }; 00057 00058 #include "decompressor.I" 00059 00060 #endif // HAVE_ZLIB 00061 00062 #endif