Panda3D

pandaIOStream.h

00001 // Filename: pandaIOStream.h
00002 // Created by:  rdb (29Mar11)
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 PANDAIOSTREAM_H
00016 #define PANDAIOSTREAM_H
00017 
00018 #include "config_assimp.h"
00019 
00020 #include "IOStream.h"
00021 
00022 class PandaIOSystem;
00023 
00024 ////////////////////////////////////////////////////////////////////
00025 //       Class : PandaIOStream
00026 // Description : Custom implementation of Assimp::IOStream.  It
00027 //               simply wraps around an istream object, and is
00028 //               unable to write.
00029 ////////////////////////////////////////////////////////////////////
00030 class PandaIOStream : public Assimp::IOStream {
00031 public:
00032   PandaIOStream(istream &stream);
00033   virtual ~PandaIOStream() {};
00034 
00035   size_t FileSize() const;
00036   void Flush();
00037   size_t Read(void *pvBuffer, size_t pSize, size_t pCount);
00038   aiReturn Seek(size_t pOffset, aiOrigin pOrigin);
00039   size_t Tell() const;
00040   size_t Write(const void *buffer, size_t size, size_t count);
00041 
00042 private:
00043   istream &_istream;
00044 
00045   friend class PandaIOSystem;
00046 };
00047 
00048 #endif
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