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diff --git a/source/blender/freestyle/intern/system/BaseObject.h b/source/blender/freestyle/intern/system/BaseObject.h
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+++ b/source/blender/freestyle/intern/system/BaseObject.h
@@ -0,0 +1,73 @@
+//
+//  Filename         : BaseObject.h
+//  Author(s)        : Stephane Grabli
+//  Purpose          : Base Class for most shared objects (Node, Rep).
+//                     Defines the addRef, release system.
+//                     Inspired by COM IUnknown system.
+//  Date of creation : 06/02/2002
+//
+///////////////////////////////////////////////////////////////////////////////
+
+
+//
+//  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  BASEOBJECT_H
+# define BASEOBJECT_H
+
+#include "FreestyleConfig.h"
+
+class LIB_SYSTEM_EXPORT BaseObject
+{
+public:
+
+  inline BaseObject() {
+    _ref_counter = 0;
+  }
+
+  virtual ~BaseObject() {}
+
+  /*! At least makes a release on this.
+   *  The BaseObject::destroy method must be 
+   *  explicitely called at the end of any 
+   *  overloaded destroy
+   */
+  virtual int destroy() {
+    return release();
+  }
+
+  /*! Increments the reference counter */
+  inline int addRef() {
+    return ++_ref_counter;
+  }
+
+  /*! Decrements the reference counter */
+  inline int release() { 
+    if (_ref_counter)
+      _ref_counter--;
+    return _ref_counter;
+  }
+
+private:
+
+  unsigned _ref_counter;  
+};
+
+#endif // BASEOBJECT_H