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diff --git a/cppcanvas/source/wrapper/implbitmap.hxx b/cppcanvas/source/wrapper/implbitmap.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/uno/Reference.hxx>
+#include <com/sun/star/rendering/XBitmap.hpp>
+
+#include <cppcanvas/bitmap.hxx>
+#include <canvasgraphichelper.hxx>
+
+
+/*Definition of ImplBitmap */
+
+namespace cppcanvas::internal
+{
+        // share partial CanvasGraphic implementation from CanvasGraphicHelper
+        class ImplBitmap : public virtual ::cppcanvas::Bitmap, protected CanvasGraphicHelper
+        {
+        public:
+
+            ImplBitmap( const CanvasSharedPtr& rParentCanvas,
+                        const css::uno::Reference< css::rendering::XBitmap >& rBitmap );
+
+            virtual ~ImplBitmap() override;
+
+            // CanvasGraphic implementation (that was not already implemented by CanvasGraphicHelper)
+            virtual bool draw() const override;
+            virtual void drawAlphaModulated( double nAlphaModulation ) const override;
+
+            virtual BitmapCanvasSharedPtr                       getBitmapCanvas() const override;
+
+            // Bitmap implementation
+            virtual css::uno::Reference< css::rendering::XBitmap >  getUNOBitmap() const override;
+
+        private:
+            ImplBitmap(const ImplBitmap&) = delete;
+            ImplBitmap& operator=( const ImplBitmap& ) = delete;
+
+            const css::uno::Reference< css::rendering::XBitmap > mxBitmap;
+            BitmapCanvasSharedPtr                                mpBitmapCanvas;
+         };
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */