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diff --git a/cppcanvas/source/wrapper/implbitmapcanvas.hxx b/cppcanvas/source/wrapper/implbitmapcanvas.hxx
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+++ b/cppcanvas/source/wrapper/implbitmapcanvas.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 .
+ */
+
+#pragma once
+
+#include <com/sun/star/rendering/XBitmapCanvas.hpp>
+#include <com/sun/star/rendering/XBitmap.hpp>
+#include <cppcanvas/bitmapcanvas.hxx>
+
+#include "implcanvas.hxx"
+
+
+namespace cppcanvas::internal
+{
+        // share Canvas implementation from ImplCanvas
+        class ImplBitmapCanvas : public virtual BitmapCanvas, protected virtual ImplCanvas
+        {
+        public:
+            explicit ImplBitmapCanvas( const css::uno::Reference< css::rendering::XBitmapCanvas >& rCanvas );
+            virtual ~ImplBitmapCanvas() override;
+
+            ImplBitmapCanvas(ImplBitmapCanvas const &) = default;
+            ImplBitmapCanvas(ImplBitmapCanvas &&) = default;
+            ImplBitmapCanvas & operator =(ImplBitmapCanvas const &) = delete; // due to const mxBitmapCanvas
+            ImplBitmapCanvas & operator =(ImplBitmapCanvas &&) = delete; // due to const mxBitmapCanvas
+
+            virtual ::basegfx::B2ISize      getSize() const override;
+
+            virtual CanvasSharedPtr         clone() const override;
+
+        private:
+            const css::uno::Reference< css::rendering::XBitmapCanvas >    mxBitmapCanvas;
+            const css::uno::Reference< css::rendering::XBitmap >          mxBitmap;
+        };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */