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