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diff --git a/include/cppcanvas/bitmap.hxx b/include/cppcanvas/bitmap.hxx
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+++ b/include/cppcanvas/bitmap.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 .
+ */
+
+#ifndef INCLUDED_CPPCANVAS_BITMAP_HXX
+#define INCLUDED_CPPCANVAS_BITMAP_HXX
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <cppcanvas/canvasgraphic.hxx>
+#include <cppcanvas/bitmapcanvas.hxx>
+#include <memory>
+
+namespace com::sun::star::rendering
+{
+    class  XBitmap;
+}
+
+
+/* Definition of Bitmap interface */
+
+namespace cppcanvas
+{
+
+    /** This interface defines a Bitmap canvas object
+
+        Consider this object part of the view, and not of the model
+        data, as this bitmap can only be painted on its parent canvas
+     */
+    class Bitmap : public virtual CanvasGraphic
+    {
+    public:
+        /** Render to parent canvas, with global alpha.
+
+            This method renders the content to the parent canvas,
+            i.e. the canvas this object was constructed for.
+
+            @param nAlphaModulation
+            Global alpha value, with which each pixel alpha value gets
+            multiplied. For a normal, opaque bitmap, this will make
+            the bitmap appear transparent with the given alpha value
+            (value must be in the range [0,1]).
+         */
+        virtual void                        drawAlphaModulated( double nAlphaModulation ) const = 0;
+
+        virtual BitmapCanvasSharedPtr       getBitmapCanvas() const = 0;
+
+        virtual css::uno::Reference< css::rendering::XBitmap >  getUNOBitmap() const = 0;
+    };
+
+    typedef std::shared_ptr< ::cppcanvas::Bitmap > BitmapSharedPtr;
+}
+
+#endif // INCLUDED_CPPCANVAS_BITMAP_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */