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diff --git a/canvas/inc/canvas/rendering/isurfaceproxy.hxx b/canvas/inc/canvas/rendering/isurfaceproxy.hxx
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+++ b/canvas/inc/canvas/rendering/isurfaceproxy.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 INCLUDED_CANVAS_ISURFACEPROXY_HXX
+#define INCLUDED_CANVAS_ISURFACEPROXY_HXX
+
+#include <canvas/rendering/irendermodule.hxx>
+
+#include <boost/shared_ptr.hpp>
+
+namespace basegfx
+{
+    class B2DRange;
+    class B2DPoint;
+    class B2DPolyPolygon;
+    class B2DHomMatrix;
+}
+
+namespace canvas
+{
+    struct ISurfaceProxy
+    {
+        virtual ~ISurfaceProxy() {}
+
+        /** Notify the proxy that the color buffer has changed
+         */
+        virtual void setColorBufferDirty() = 0;
+
+        /** Render the surface content to screen.
+
+            @param fAlpha
+            Overall alpha for content
+
+            @param rPos
+            Output position
+
+            @param rTransform
+            Output transformation (does not affect output position)
+         */
+        virtual bool draw( double                         fAlpha,
+                           const ::basegfx::B2DPoint&     rPos,
+                           const ::basegfx::B2DHomMatrix& rTransform ) = 0;
+
+        /** Render the surface content to screen.
+
+            @param fAlpha
+            Overall alpha for content
+
+            @param rPos
+            Output position
+
+            @param rArea
+            Subset of the surface to render. Coordinate system are
+            surface area pixel, given area will be clipped to the
+            surface bounds.
+
+            @param rTransform
+            Output transformation (does not affect output position)
+         */
+        virtual bool draw( double                         fAlpha,
+                           const ::basegfx::B2DPoint&     rPos,
+                           const ::basegfx::B2DRange&     rArea,
+                           const ::basegfx::B2DHomMatrix& rTransform ) = 0;
+
+        /** Render the surface content to screen.
+
+            @param fAlpha
+            Overall alpha for content
+
+            @param rPos
+            Output position
+
+            @param rClipPoly
+            Clip polygon for the surface. The clip polygon is also
+            subject to the output transformation.
+
+            @param rTransform
+            Output transformation (does not affect output position)
+         */
+        virtual bool draw( double                           fAlpha,
+                           const ::basegfx::B2DPoint&       rPos,
+                           const ::basegfx::B2DPolyPolygon& rClipPoly,
+                           const ::basegfx::B2DHomMatrix&   rTransform ) = 0;
+    };
+
+    typedef ::boost::shared_ptr< ISurfaceProxy > ISurfaceProxySharedPtr;
+}
+
+#endif /* INCLUDED_CANVAS_ISURFACEPROXY_HXX */