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diff --git a/source/blender/freestyle/intern/scene_graph/ScenePrettyPrinter.h b/source/blender/freestyle/intern/scene_graph/ScenePrettyPrinter.h
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+//
+//  Filename         : ScenePrettyPrinter.h
+//  Author(s)        : Stephane Grabli, Emmanuel Turquin
+//  Purpose          : Class to display textual information
+//                     about a scene graph.
+//  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_PRETTY_PRINTER_H
+# define SCENE_PRETTY_PRINTER_H
+
+# include <iostream>
+# include <fstream>
+# include <string>
+# include "SceneVisitor.h"
+
+using namespace std;
+
+class ScenePrettyPrinter : public SceneVisitor
+{
+public:
+
+  ScenePrettyPrinter(const string filename = "SceneLog.txt")
+    : SceneVisitor() {
+    if (!filename.empty())
+      _ofs.open(filename.c_str());
+    if (!_ofs.is_open())
+      cerr << "Warning, unable to open file \"" << filename << "\"" << endl;
+    _space = "";
+  }
+
+  virtual ~ScenePrettyPrinter() {
+    if (_ofs.is_open())
+      _ofs.close();
+  }
+
+
+  //
+  // visitClass methods
+  //
+  //////////////////////////////////////////////
+
+  VISIT_DECL(Node)
+  VISIT_DECL(NodeShape)
+  VISIT_DECL(NodeGroup)
+  VISIT_DECL(NodeLight)
+  VISIT_DECL(NodeDrawingStyle)
+  VISIT_DECL(NodeTransform)
+
+  VISIT_DECL(LineRep)
+  VISIT_DECL(OrientedLineRep)
+  VISIT_DECL(TriangleRep)
+  VISIT_DECL(VertexRep)
+  VISIT_DECL(IndexedFaceSet)
+
+  virtual void visitNodeShapeBefore(NodeShape&);
+  virtual void visitNodeShapeAfter(NodeShape&);
+  virtual void visitNodeGroupBefore(NodeGroup&);
+  virtual void visitNodeGroupAfter(NodeGroup&);
+  virtual void visitNodeDrawingStyleBefore(NodeDrawingStyle&);
+  virtual void visitNodeDrawingStyleAfter(NodeDrawingStyle&);
+  virtual void visitNodeTransformBefore(NodeTransform&);
+  virtual void visitNodeTransformAfter(NodeTransform&);
+
+ protected:
+  
+  void increaseSpace()
+  {
+    _space += "  ";
+  }
+
+  void decreaseSpace()
+  {
+    _space.erase(0, 2);
+  }
+
+ private:
+
+  ofstream	_ofs;
+  string	_space;
+};
+
+#endif // SCENE_PRETTY_PRINTER_H