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diff --git a/chart2/source/view/inc/Clipping.hxx b/chart2/source/view/inc/Clipping.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _CHART2_CLIPPING_HXX
+#define _CHART2_CLIPPING_HXX
+
+#include <basegfx/range/b2drectangle.hxx>
+#include <com/sun/star/drawing/PolyPolygonShape3D.hpp>
+
+//.............................................................................
+namespace chart
+{
+//.............................................................................
+
+//-----------------------------------------------------------------------------
+/**
+*/
+
+class Clipping
+{
+    /** This class uses the Liang-Biarsky parametric line-clipping algorithm as described in:
+            Computer Graphics: principles and practice, 2nd ed.,
+            James D. Foley et al.,
+            Section 3.12.4 on page 117.
+    */
+
+public:
+    /** @descr  The intersection between an open polygon and a rectangle is
+            calculated and the resulting lines are placed into the poly-polygon aResult.
+        @param  rPolygon    The polygon is required to be open, ie. it's start and end point
+            have different coordinates and that it is continuous, ie. has no holes.
+        @param  rRectangle  The clipping area.
+        @param  aResult The resulting lines that are the parts of the given polygon lying inside
+            the clipping area are stored into aResult whose prior content is deleted first.
+     */
+    static void clipPolygonAtRectangle(
+                                const ::com::sun::star::drawing::PolyPolygonShape3D& rPolygon
+                                , const ::basegfx::B2DRectangle& rRectangle
+                                , ::com::sun::star::drawing::PolyPolygonShape3D& aResult
+                                , bool bSplitPiecesToDifferentPolygons = true );
+};
+
+//.............................................................................
+} //namespace chart
+//.............................................................................
+#endif