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diff --git a/source/blender/freestyle/intern/stroke/QInformationMap.h b/source/blender/freestyle/intern/stroke/QInformationMap.h
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+++ b/source/blender/freestyle/intern/stroke/QInformationMap.h
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+//
+//  Filename         : QInformationMap.h
+//  Author           : Stephane Grabli
+//  Purpose          : Class defining an information map using a QImage
+//  Date of creation : 04/01/2003
+//
+///////////////////////////////////////////////////////////////////////////////
+
+
+//
+//  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  QINFORMATIONMAP_H
+# define QINFORMATIONMAP_H
+
+# include <qimage.h>
+# include "InformationMap.h"
+
+class QInformationMap : public InformationMap
+{
+private:
+  QImage _map; // the image or a piece of image
+
+public:
+  QInformationMap();
+  QInformationMap(const QImage&);
+  QInformationMap(const QInformationMap&);
+  QInformationMap& operator=(const QInformationMap&);
+
+  //float getSmoothedPixel(int x, int y, float sigma = 0.2f)
+  virtual float getMean(int x, int y) ;
+  virtual void retrieveMeanAndVariance(int x, int y, float &oMean, float &oVariance) ;
+
+  inline const QImage& map() const {return _map;}
+  inline void setMap(const QImage& iMap, float iw, float ih) {_map = iMap.copy();_w=iw;_h=ih;}
+
+protected:
+  virtual float computeGaussian(int x, int y);
+};
+
+#endif // QINFORMATIONMAP_H