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diff --git a/canvas/inc/canvas/rendering/isurface.hxx b/canvas/inc/canvas/rendering/isurface.hxx
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+++ b/canvas/inc/canvas/rendering/isurface.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_ISURFACE_HXX
+#define INCLUDED_CANVAS_ISURFACE_HXX
+
+#include <sal/types.h>
+
+#include <boost/shared_ptr.hpp>
+
+
+namespace basegfx
+{
+    class B2IRange;
+    class B2IPoint;
+    class B2IVector;
+}
+
+namespace canvas
+{
+    struct IColorBuffer;
+
+    struct ISurface
+    {
+        virtual ~ISurface() {}
+
+        /** Select texture behind this interface to be the current one
+            for primitive output.
+         */
+        virtual bool selectTexture() = 0;
+
+        /** Tells wether the surface is valid or not
+        */
+        virtual bool isValid() = 0;
+
+        /** Update surface content from given IColorBuffer
+
+            This method updates the given subarea of the surface from
+            the given color buffer bits.
+
+            @param rDestPos
+            Position in the surface, where the subset update should
+            have its left, top edge
+
+            @param rSourceRect
+            Size and position of the rectangular subset update in the
+            source color buffer
+
+            @param rSource
+            Source bits to use for the update
+
+            @return true, if the update was successful
+         */
+        virtual bool update( const ::basegfx::B2IPoint& rDestPos,
+                             const ::basegfx::B2IRange& rSourceRect,
+                             IColorBuffer&              rSource ) = 0;
+
+        virtual ::basegfx::B2IVector getSize() = 0;
+    };
+
+    typedef ::boost::shared_ptr< ISurface > ISurfaceSharedPtr;
+}
+
+#endif /* INCLUDED_CANVAS_ISURFACE_HXX */