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diff --git a/source/blender/freestyle/intern/stroke/StyleModule.h b/source/blender/freestyle/intern/stroke/StyleModule.h
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+++ b/source/blender/freestyle/intern/stroke/StyleModule.h
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+//
+//  Filename         : StyleModule.h
+//  Author(s)        : Stephane Grabli, Emmanuel Turquin
+//  Purpose          : Class representing a style module
+//  Date of creation : 01/07/2003
+//
+///////////////////////////////////////////////////////////////////////////////
+
+
+//
+//  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  STYLE_MODULE_H
+# define STYLE_MODULE_H
+
+# include <iostream>
+# include <string>
+# include "../system/StringUtils.h"
+# include "StrokeLayer.h"
+# include "../system/Interpreter.h"
+# include "Operators.h"
+# include "StrokeShader.h"
+
+using namespace std;
+
+class StyleModule
+{
+public:
+
+  StyleModule(const string& file_name,
+	      Interpreter* inter) : _file_name(file_name) {
+    _always_refresh = false;
+    _causal = false;
+    _drawable = true;
+    _modified = true;
+    _displayed = true;
+    _inter = inter;
+  }
+
+  virtual ~StyleModule() {}
+
+  StrokeLayer* execute() {
+    if (!_inter) {
+      cerr << "Error: no interpreter was found to execute the script" << endl;
+      return NULL;
+    }
+
+	if (!_drawable) {
+      cerr << "Error: not drawable" << endl;
+      return NULL;
+    }
+
+    Operators::reset();
+
+    if( interpret() ) {
+      cerr << "Error: interpretation failed" << endl;
+      Operators::reset();
+      return NULL;
+	}
+	
+    Operators::StrokesContainer* strokes_set = Operators::getStrokesSet();
+    if( strokes_set->empty() ) {
+   	  cerr << "Error: strokes set empty" << endl;
+      Operators::reset();
+      return NULL;
+	}
+
+    StrokeLayer* sl = new StrokeLayer;
+    for (Operators::StrokesContainer::iterator it = strokes_set->begin();
+	 it != strokes_set->end();
+	 ++it)
+      sl->AddStroke(*it);
+
+    Operators::reset();
+
+   return sl;
+  }
+
+protected:
+
+  virtual int interpret() {
+    return _inter->interpretFile(_file_name);
+  }
+
+public:
+
+  // accessors
+
+  const string getFileName() const {
+    return _file_name;
+  }
+
+  bool getAlwaysRefresh() const {
+    return _always_refresh;
+  }
+
+  bool getCausal() const {
+    return _causal;
+  }
+
+  bool getDrawable() const {
+    return _drawable;
+  }
+
+  bool getModified() const {
+    return _modified;
+  }
+
+ bool getDisplayed() const {
+    return _displayed;
+  }
+
+  // modifiers
+
+  void setFileName(const string& file_name) {
+    _file_name = file_name;
+  }
+
+  void setAlwaysRefresh(bool b = true) {
+    _always_refresh = b;
+  }
+
+  void setCausal(bool b = true) {
+    _causal = b;
+  }
+
+  void setDrawable(bool b = true) {
+    _drawable = b;
+  }
+
+  void setModified(bool b = true) {
+    if (_always_refresh)
+      return;
+    _modified = b;
+  }
+
+  void setDisplayed(bool b = true) {
+    _displayed = b;
+  }
+
+private:
+
+  string	_file_name;
+  bool		_always_refresh;
+  bool		_causal;
+  bool		_drawable;
+  bool		_modified;
+  bool		_displayed;
+
+protected:
+
+  Interpreter*	_inter;
+};
+
+#endif // STYLE_MODULE_H