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diff --git a/canvas/source/directx/dx_bitmap.hxx b/canvas/source/directx/dx_bitmap.hxx
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+++ b/canvas/source/directx/dx_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_CANVAS_SOURCE_DIRECTX_DX_BITMAP_HXX
+#define INCLUDED_CANVAS_SOURCE_DIRECTX_DX_BITMAP_HXX
+
+#include <com/sun/star/rendering/XCanvas.hpp>
+#include <com/sun/star/rendering/XIntegerBitmap.hpp>
+#include <basegfx/vector/b2ivector.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <memory>
+#include "dx_winstuff.hxx"
+#include "dx_ibitmap.hxx"
+#include "dx_graphicsprovider.hxx"
+#include "dx_gdiplususer.hxx"
+
+namespace dxcanvas
+{
+    class DXBitmap : public IBitmap
+    {
+    public:
+        DXBitmap( const BitmapSharedPtr& rBitmap,
+                  bool                   bWithAlpha );
+        DXBitmap( const ::basegfx::B2IVector& rSize,
+                  bool                        bWithAlpha );
+
+        virtual GraphicsSharedPtr         getGraphics() override;
+
+        virtual BitmapSharedPtr           getBitmap() const override;
+        virtual ::basegfx::B2IVector      getSize() const override;
+        virtual bool                      hasAlpha() const override;
+
+        css::uno::Sequence< sal_Int8 > getData(
+            css::rendering::IntegerBitmapLayout&       bitmapLayout,
+            const css::geometry::IntegerRectangle2D&   rect ) override;
+
+        void setData(
+            const css::uno::Sequence< sal_Int8 >&      data,
+            const css::rendering::IntegerBitmapLayout& bitmapLayout,
+            const css::geometry::IntegerRectangle2D&   rect ) override;
+
+        void setPixel(
+            const css::uno::Sequence< sal_Int8 >&      color,
+            const css::rendering::IntegerBitmapLayout& bitmapLayout,
+            const css::geometry::IntegerPoint2D&       pos ) override;
+
+        css::uno::Sequence< sal_Int8 > getPixel(
+            css::rendering::IntegerBitmapLayout&       bitmapLayout,
+            const css::geometry::IntegerPoint2D&       pos ) override;
+
+    private:
+        // Refcounted global GDI+ state container
+        GDIPlusUserSharedPtr mpGdiPlusUser;
+
+        // size of this image in pixels [integral unit]
+        ::basegfx::B2IVector maSize;
+
+        BitmapSharedPtr      mpBitmap;
+        GraphicsSharedPtr    mpGraphics;
+
+        // true if the bitmap contains an alpha channel
+        bool                 mbAlpha;
+    };
+
+    typedef std::shared_ptr< DXBitmap > DXBitmapSharedPtr;
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */