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diff --git a/include/basegfx/polygon/b2dpolygonclipper.hxx b/include/basegfx/polygon/b2dpolygonclipper.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef _BGFX_POLYPOLYGON_B2DPOLYGONCLIPPER_HXX
+#define _BGFX_POLYPOLYGON_B2DPOLYGONCLIPPER_HXX
+
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/basegfxdllapi.h>
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace basegfx
+{
+    // predefinitions
+    class B2DRange;
+
+    namespace tools
+    {
+        // This method clips the given PolyPolygon against a horizontal or vertical axis (parallell to X or Y axis). The axis is
+        // defined by bParallelToXAxis (true -> it's parallel to the X-Axis of the coordinate system, else to the Y-Axis) and the
+        // fValueOnOtherAxis (gives the translation to the coordinate system axis). For example, when You want to define
+        // a clip axis parallel to X.Axis and 100 above it, use bParallelToXAxis = true and fValueOnOtherAxis = 100.
+        // The value bAboveAxis defines on which side the return value will be (true -> above X, right of Y).
+        // The switch bStroke decides if the polygon is interpreted as area (false) or strokes (true).
+        BASEGFX_DLLPUBLIC B2DPolyPolygon clipPolyPolygonOnParallelAxis(const B2DPolyPolygon& rCandidate, bool bParallelToXAxis, bool bAboveAxis, double fValueOnOtherAxis, bool bStroke);
+        BASEGFX_DLLPUBLIC B2DPolyPolygon clipPolygonOnParallelAxis(const B2DPolygon& rCandidate, bool bParallelToXAxis, bool bAboveAxis, double fValueOnOtherAxis, bool bStroke);
+
+        // Clip the given PolyPolygon against the given range. bInside defines if the result will contain the
+        // parts which are contained in the range or vice versa.
+        // The switch bStroke decides if the polygon is interpreted as area (false) or strokes (true).
+        BASEGFX_DLLPUBLIC B2DPolyPolygon clipPolyPolygonOnRange(const B2DPolyPolygon& rCandidate, const B2DRange& rRange, bool bInside, bool bStroke);
+        BASEGFX_DLLPUBLIC B2DPolyPolygon clipPolygonOnRange(const B2DPolygon& rCandidate, const B2DRange& rRange, bool bInside, bool bStroke);
+
+        // Clip given PolyPolygon against given clipping polygon.
+        // The switch bStroke decides if the polygon is interpreted as area (false) or strokes (true).
+        // With stroke polygons, You get all line snippets inside rCip.
+        // With filled polygons, You get all PolyPolygon parts which were inside rClip.
+        // The switch bInside decides if the parts inside the clip polygon or outside shall be created.
+        // The clip polygon is always assumed closed, even when it's isClosed() is false.
+        BASEGFX_DLLPUBLIC B2DPolyPolygon clipPolyPolygonOnPolyPolygon(const B2DPolyPolygon& rCandidate, const B2DPolyPolygon& rClip, bool bInside, bool bStroke);
+        BASEGFX_DLLPUBLIC B2DPolyPolygon clipPolygonOnPolyPolygon(const B2DPolygon& rCandidate, const B2DPolyPolygon& rClip, bool bInside, bool bStroke);
+
+        // clip the given polygon against the given range. the resulting polygon will always contain
+        // the inside parts which will always be interpreted as areas. the incoming polygon is expected
+        // to be a simple triangle list. the result is also a simple triangle list.
+        BASEGFX_DLLPUBLIC B2DPolygon clipTriangleListOnRange( const B2DPolygon& rCandidate, const B2DRange& rRange );
+
+    } // end of namespace tools
+} // end of namespace basegfx
+
+#endif /* _BGFX_POLYPOLYGON_B2DPOLYGONCLIPPER_HXX */
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */