| VRS - The Virtual Rendering System |
| version 3.3 |
00001 /****************************************************************************** 00002 * VRS - The Virtual Rendering System 00003 * Copyright (C) 2000-2008 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 #ifndef VRS_IO_DATARESOURCE_H 00019 #define VRS_IO_DATARESOURCE_H 00020 00021 #include <vrs/sharedobj.h> 00022 00023 namespace VRS { 00024 00026 class VRS_CORE_API DataResource : public SharedObj { 00027 public: 00028 virtual void* pointer() const = 0; 00030 00031 virtual void* pointer(unsigned int byteOffset) const; 00033 00034 virtual unsigned int size() const = 0; 00036 00037 virtual bool isWritable() const = 0; 00039 00040 VRS_TYPEINFO(DataResource, SharedObj); 00041 }; 00042 00043 } // namespace VRS 00044 00045 #endif // VRS_IO_DATARESOURCE_H