| VRS - The Virtual Rendering System |
| version 3.3 |
00001 /****************************************************************************** 00002 * VRS - The Virtual Rendering System 00003 * Copyright (C) 2000-2007 Computer Graphics Systems Group at the 00004 * Hasso-Plattner-Institute (HPI), Potsdam, Germany. 00005 * 00006 * This library is free software; you can redistribute it and/or modify it 00007 * under the terms of the GNU Lesser General Public License as published by 00008 * the Free Software Foundation; either version 2.1 of the License, or (at 00009 * your option) any later version. This library is distributed in the hope 00010 * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied 00011 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU Lesser General Public License for more details. You should have received 00013 * a copy of the GNU Lesser+ General Public License along with this library; if 00014 * not, write to the FreeSoftware Foundation, Inc., 59 Temple Place, Suite 330, 00015 * Boston, MA, 02111-1307, USA. 00016 ******************************************************************************/ 00017 00018 // $Id: filedataresource.h 6014 2007-08-09 07:51:16Z Konstantin_Baumann $ 00019 00020 #ifndef VRS_IO_FILEDATARESOURCE_H 00021 #define VRS_IO_FILEDATARESOURCE_H 00022 00023 #include <vrs/io/dataresource.h> 00024 00025 namespace VRS { 00026 00027 class FileDataResourceImpl; 00028 00030 class VRS_CORE_API FileDataResource : public DataResource { 00031 public: 00032 FileDataResource(const std::string& filename, bool isWritable = false); 00039 FileDataResource(const std::string& filename, unsigned int size, bool persistent = true); 00044 virtual ~FileDataResource(); 00045 00046 const std::string& filename() const; 00048 00049 virtual void* pointer() const; 00058 virtual unsigned int size() const; 00060 00061 virtual bool isWritable() const; 00062 00063 VRS_TYPEINFO(FileDataResource, DataResource); 00064 VRS_SERIALIZABLE(FileDataResource); 00065 00066 protected: 00067 FileDataResource(); // only for serialization 00068 00069 private: 00070 FileDataResourceImpl* impl_; 00071 std::string filename_; 00072 bool isWritable_; 00073 bool persistent_; 00074 }; 00075 00076 } // namespace VRS 00077 00078 #endif // VRS_IO_FILEDATARESOURCE_H