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diff --git a/source/blender/freestyle/intern/stroke/StrokeLayer.h b/source/blender/freestyle/intern/stroke/StrokeLayer.h
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+++ b/source/blender/freestyle/intern/stroke/StrokeLayer.h
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+//
+//  Filename         : StrokeLayer.h
+//  Author           : Stephane Grabli
+//  Purpose          : Class to define a layer of strokes.
+//  Date of creation : 18/12/2002
+//
+///////////////////////////////////////////////////////////////////////////////
+
+
+//
+//  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  STROKELAYER_H
+# define STROKELAYER_H
+
+# include <deque>
+
+class Stroke;
+class StrokeRenderer;
+class StrokeLayer 
+{
+public:
+  typedef std::deque<Stroke*> stroke_container;
+
+protected:
+  stroke_container _strokes;
+public:
+  StrokeLayer() {}
+  StrokeLayer(const stroke_container& iStrokes)
+  {
+    _strokes = iStrokes;
+  }
+  StrokeLayer(const StrokeLayer& iBrother)
+  {
+    _strokes = iBrother._strokes;
+  }
+  virtual ~StrokeLayer() ;
+
+  /*! Render method */
+  void ScaleThickness(float iFactor);
+  void Render(const StrokeRenderer *iRenderer );
+  void RenderBasic(const StrokeRenderer *iRenderer );
+
+  /*! clears the layer */
+  void clear() ;
+
+  /*! accessors */
+  inline stroke_container::iterator strokes_begin() {return _strokes.begin();}
+  inline stroke_container::iterator strokes_end() {return _strokes.end();}
+  inline int strokes_size() const {return _strokes.size();}
+  inline bool empty() const {return _strokes.empty();}
+
+  /*! modifiers */
+  inline void setStrokes(stroke_container& iStrokes) {_strokes = iStrokes;}
+  inline void AddStroke(Stroke *iStroke) {_strokes.push_back(iStroke);}
+  
+};
+
+#endif // STROKELAYER_H