| 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_SG_SCENEGRAPHPRINTER_H 00019 #define VRS_SG_SCENEGRAPHPRINTER_H 00020 00021 #include <vrs/sharedobj.h> 00022 #include <vrs/callback.h> 00023 00024 #include <map> 00025 00026 namespace VRS { 00027 00028 class SceneNode; 00029 class Shape; 00030 00032 00043 class VRS_CORE_API SceneGraphPrinter : 00044 public VRS::VisitorBase, 00045 public VRS::Visitor<VRS::SharedObj> 00046 { 00047 public: 00048 SceneGraphPrinter(unsigned int maxLevels = 1000); 00049 00050 virtual VisitMode visit(VRS::SharedObj* obj, bool pushObj); 00051 00052 typedef CallbackR1<std::string, SO<VRS::SharedObj> > ToStringCallback; 00053 void registerCustomToString(const VRS::ID& className, SO<ToStringCallback> callback); 00054 00055 // prints a header with time info 00056 void printHeader() const; 00057 00058 // works as scene->accept(printer), but writes the result to a file. 00059 void writeToFile(SO<SceneNode> scene, const std::string& filename); 00060 00061 protected: 00062 virtual void print(VRS::SharedObj* obj, bool pushObj); 00063 00064 const unsigned int m_maxLevels; 00065 std::string m_indentation; 00066 00067 std::map<VRS::ID, SO<ToStringCallback> > m_customToStrings; 00068 }; 00069 00070 } // namespace VRS 00071 00072 #endif // VRS_SG_SCENEGRAPHPRINTER_H