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diff --git a/sdext/source/presenter/PresenterGeometryHelper.hxx b/sdext/source/presenter/PresenterGeometryHelper.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * 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 SDEXT_PRESENTER_PRESENTER_GEOMETRY_HELPER_HXX
+#define SDEXT_PRESENTER_PRESENTER_GEOMETRY_HELPER_HXX
+
+#include <com/sun/star/awt/Point.hpp>
+#include <com/sun/star/awt/Rectangle.hpp>
+#include <com/sun/star/awt/Size.hpp>
+#include <com/sun/star/rendering/XGraphicDevice.hpp>
+#include <com/sun/star/rendering/XPolyPolygon2D.hpp>
+#include <com/sun/star/geometry/RealRectangle2D.hpp>
+#include <vector>
+
+namespace css = ::com::sun::star;
+
+namespace sdext { namespace presenter {
+
+/** Collection of geometry related convenience functions.
+*/
+class PresenterGeometryHelper
+{
+public:
+    static sal_Int32 Round (const double nValue);
+    static sal_Int32 Floor (const double nValue);
+    static sal_Int32 Ceil (const double nValue);
+
+    /** Return the bounding box with integer coordinates of the given
+        rectangle.  Note that due to different rounding of the left/top and
+        the right/bottom border the width of the resulting rectangle may
+        differ for different positions but constant width and height.
+    */
+    static css::awt::Rectangle ConvertRectangle (
+        const css::geometry::RealRectangle2D& rBox);
+
+    /** Convert the given rectangle to integer coordinates so that width and
+        height remain constant when only the position changes.
+    */
+    static css::awt::Rectangle ConvertRectangleWithConstantSize (
+        const css::geometry::RealRectangle2D& rBox);
+
+    static css::geometry::RealRectangle2D ConvertRectangle (
+        const css::awt::Rectangle& rBox);
+
+    //    static css::awt::Size ConvertSize (
+    //        const css::geometry::RealSize2D& rSize);
+
+    static css::awt::Rectangle TranslateRectangle (
+        const css::awt::Rectangle& rBox,
+        const sal_Int32 nXOffset,
+        const sal_Int32 nYOffset);
+
+    static css::awt::Rectangle Intersection (
+        const css::awt::Rectangle& rBox1,
+        const css::awt::Rectangle& rBox2);
+
+    static css::geometry::RealRectangle2D Intersection (
+        const css::geometry::RealRectangle2D& rBox1,
+        const css::geometry::RealRectangle2D& rBox2);
+
+    static bool IsInside (
+        const css::geometry::RealRectangle2D& rBox,
+        const css::geometry::RealPoint2D& rPoint);
+
+    /** Return whether rBox1 is completly inside rBox2.
+    */
+    static bool IsInside (
+        const css::awt::Rectangle& rBox1,
+        const css::awt::Rectangle& rBox2);
+
+    static css::awt::Rectangle Union (
+        const css::awt::Rectangle& rBox1,
+        const css::awt::Rectangle& rBox2);
+
+    static css::geometry::RealRectangle2D Union (
+        const css::geometry::RealRectangle2D& rBox1,
+        const css::geometry::RealRectangle2D& rBox2);
+
+    static bool AreRectanglesDisjoint (
+        const css::awt::Rectangle& rBox1,
+        const css::awt::Rectangle& rBox2);
+
+    static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
+        const css::awt::Rectangle& rBox,
+        const css::uno::Reference<css::rendering::XGraphicDevice>& rxDevice);
+
+    static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
+        const css::geometry::RealRectangle2D& rBox,
+        const css::uno::Reference<css::rendering::XGraphicDevice>& rxDevice);
+
+    static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
+        const ::std::vector<css::awt::Rectangle>& rBoxes,
+        const css::uno::Reference<css::rendering::XGraphicDevice>& rxDevice);
+
+    /** Create a polygon for a rounded rectangle.
+    */
+    /*    static css::uno::Reference<css::rendering::XPolyPolygon2D> CreatePolygon(
+        const css::awt::Rectangle& rBox,
+        const double nRadius,
+        const css::uno::Reference<css::rendering::XGraphicDevice>&
+        rxDevice);
+    */
+};
+
+} }
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */