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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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+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2010 Blender Foundation.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef __FREESTYLE_SCENE_PRETTY_PRINTER_H__
+#define __FREESTYLE_SCENE_PRETTY_PRINTER_H__
+
+/** \file blender/freestyle/intern/scene_graph/ScenePrettyPrinter.h
+ *  \ingroup freestyle
+ *  \brief Class to display textual information about a scene graph.
+ *  \author Stephane Grabli
+ *  \author Emmanuel Turquin
+ *  \date 26/04/2003
+ */
+
+#include <fstream>
+#include <iostream>
+#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 // __FREESTYLE_SCENE_PRETTY_PRINTER_H__