| VRS - The Virtual Rendering System |
| version 3.3 |
00001 /****************************************************************************** 00002 * VRS - The Virtual Rendering System 00003 * Copyright (C) 2003 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_COLLAPSETRANSFORMSOPERATOR_H 00019 #define VRS_SG_COLLAPSETRANSFORMSOPERATOR_H 00020 00021 #include <vrs/visitor.h> 00022 #include <vrs/shape.h> 00023 #include <vrs/container/stack.h> 00024 #include <vrs/sg/scenegraphoperator.h> 00025 00026 namespace VRS { 00027 00038 class VRS_CORE_API CollapseTransformsOperator : public SceneGraphOperator, 00039 public Visitor<SceneThing>, 00040 public Visitor<RenderObj> 00041 { 00042 public: 00044 virtual void optimizeScene(SO<SceneNode>& scene); 00046 virtual VisitorBase::VisitMode visit(SceneThing* thing, bool push); 00048 virtual VisitorBase::VisitMode visit(RenderObj* renderObj, bool push); 00049 00050 private: 00052 SO<Stack<SO<SceneThing> > > parentStack_; 00054 SO<Stack<Matrix> > transformStack_; 00055 }; 00056 00057 } // namespace VRS 00058 00059 #endif // VRS_SG_COLLAPSETRANSFORMSOPERATOR_H