99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
//
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// Filename : SceneVisitor.h
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// Author(s) : Emmanuel Turquin
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// Purpose : Class to visit (without doing anything)
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// a scene graph structure
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// Date of creation : 26/04/2003
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) : Please refer to the COPYRIGHT file distributed
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// with this source distribution.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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///////////////////////////////////////////////////////////////////////////////
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#ifndef SCENE_VISITOR_H
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# define SCENE_VISITOR_H
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# define VISIT_COMPLETE_DEF(type) \
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virtual void visit##type(type&) {} \
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virtual void visit##type##Before(type&) {} \
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virtual void visit##type##After(type&) {}
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# define VISIT_DECL(type) virtual void visit##type(type&);
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# define VISIT_COMPLETE_DECL(type) \
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virtual void visit##type##Before(type&); \
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virtual void visit##type(type&); \
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virtual void visit##type##After(type&);
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#include "../system/FreestyleConfig.h"
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class Node;
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class NodeShape;
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class NodeGroup;
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class NodeLight;
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class NodeCamera;
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class NodeDrawingStyle;
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class NodeTransform;
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class Rep;
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class LineRep;
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class OrientedLineRep;
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class TriangleRep;
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class VertexRep;
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class IndexedFaceSet;
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class DrawingStyle;
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class FrsMaterial;
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class LIB_SCENE_GRAPH_EXPORT SceneVisitor
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{
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public:
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SceneVisitor() {}
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virtual ~SceneVisitor() {}
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virtual void beginScene() {}
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virtual void endScene() {}
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//
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// visitClass methods
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//
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//////////////////////////////////////////////
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VISIT_COMPLETE_DEF(Node)
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VISIT_COMPLETE_DEF(NodeShape)
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VISIT_COMPLETE_DEF(NodeGroup)
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VISIT_COMPLETE_DEF(NodeLight)
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VISIT_COMPLETE_DEF(NodeCamera)
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VISIT_COMPLETE_DEF(NodeDrawingStyle)
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VISIT_COMPLETE_DEF(NodeTransform)
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VISIT_COMPLETE_DEF(Rep)
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VISIT_COMPLETE_DEF(LineRep)
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VISIT_COMPLETE_DEF(OrientedLineRep)
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VISIT_COMPLETE_DEF(TriangleRep)
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VISIT_COMPLETE_DEF(VertexRep)
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VISIT_COMPLETE_DEF(IndexedFaceSet)
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VISIT_COMPLETE_DEF(DrawingStyle)
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VISIT_COMPLETE_DEF(FrsMaterial)
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};
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#endif // SCENEVISITOR_H
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