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diff --git a/canvas/inc/canvas/rendering/icachedprimitive.hxx b/canvas/inc/canvas/rendering/icachedprimitive.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_ICACHEDPRIMITIVE_HXX
+#define INCLUDED_CANVAS_ICACHEDPRIMITIVE_HXX
+
+#include <sal/types.h>
+
+#include <boost/shared_ptr.hpp>
+
+
+namespace basegfx
+{
+    class B2IRange;
+    class B2IPoint;
+}
+
+namespace canvas
+{
+    /** Objects with this interface are returned from every Bitmap
+        render operation.
+
+        These objects can be used to implement the
+        rendering::XCachedPrimitive interface, which in turn caches
+        render state and objects to facilitate quick redraws.
+     */
+    struct ICachedPrimitive
+    {
+        virtual ~ICachedPrimitive() {}
+
+        /** Redraw the primitive with the given view state
+
+            Note that the primitive will <em>always</em> be redrawn on
+            the bitmap it was created from.
+         */
+        virtual sal_Int8 redraw( const ::com::sun::star::rendering::ViewState& aState ) const = 0;
+    };
+
+    typedef ::boost::shared_ptr< ICachedPrimitive > ICachedPrimitiveSharedPtr;
+}
+
+#endif /* INCLUDED_CANVAS_ICACHEDPRIMITIVE_HXX */