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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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+/*
+ * ***** 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_STYLE_MODULE_H__
+#define __FREESTYLE_STYLE_MODULE_H__
+
+/** \file blender/freestyle/intern/stroke/StyleModule.h
+ *  \ingroup freestyle
+ *  \brief Class representing a style module
+ *  \author Stephane Grabli
+ *  \author Emmanuel Turquin
+ *  \date 01/07/2003
+ */
+
+#include <iostream>
+#include <string>
+
+#include "Operators.h"
+#include "StrokeLayer.h"
+#include "StrokeShader.h"
+
+#include "../system/Interpreter.h"
+#include "../system/StringUtils.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 // __FREESTYLE_STYLE_MODULE_H__