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diff --git a/canvas/source/directx/dx_impltools.hxx b/canvas/source/directx/dx_impltools.hxx
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+++ b/canvas/source/directx/dx_impltools.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_IMPLTOOLS_HXX
+#define INCLUDED_CANVAS_SOURCE_DIRECTX_DX_IMPLTOOLS_HXX
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/util/TriState.hpp>
+
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <basegfx/numeric/ftools.hxx>
+
+#include <memory>
+#include "dx_canvasfont.hxx"
+
+namespace basegfx
+{
+    class B2DPoint;
+    class B2DRange;
+    class B2DHomMatrix;
+    class B2IRange;
+    class B2DPolyPolygon;
+};
+
+namespace com::sun::star::geometry
+{
+    struct IntegerRectangle2D;
+    struct RealPoint2D;
+}
+
+namespace com::sun::star::rendering
+{
+    class  XBitmap;
+    class  XPolyPolygon2D;
+    class  XCanvasFont;
+}
+
+
+namespace dxcanvas
+{
+    namespace tools
+    {
+        struct RawRGBABitmap;
+
+        ::basegfx::B2DPolyPolygon
+        polyPolygonFromXPolyPolygon2D( const css::uno::Reference< css::rendering::XPolyPolygon2D >& );
+
+        Gdiplus::Graphics* createGraphicsFromHDC(HDC);
+        Gdiplus::Graphics* createGraphicsFromBitmap(const BitmapSharedPtr&);
+
+        void setupGraphics( Gdiplus::Graphics& rGraphics );
+
+        void gdiPlusMatrixFromB2DHomMatrix( Gdiplus::Matrix&        rGdiplusMatrix,
+                                            const ::basegfx::B2DHomMatrix&  rMatrix );
+        void gdiPlusMatrixFromAffineMatrix2D( Gdiplus::Matrix&                          rGdiplusMatrix,
+                                              const css::geometry::AffineMatrix2D& rMatrix );
+
+        Gdiplus::PointF gdiPlusPointFFromRealPoint2D( const css::geometry::RealPoint2D& );
+        Gdiplus::RectF  gdiPlusRectFFromRectangle2D( const css::geometry::RealRectangle2D& );
+        Gdiplus::Rect   gdiPlusRectFromIntegerRectangle2D( const css::geometry::IntegerRectangle2D& );
+        RECT            gdiRectFromB2IRect( const ::basegfx::B2IRange& );
+
+        css::geometry::RealPoint2D     realPoint2DFromGdiPlusPointF( const Gdiplus::PointF& );
+        css::geometry::RealRectangle2D realRectangle2DFromGdiPlusRectF( const Gdiplus::RectF& );
+
+        ::basegfx::B2DPoint b2dPointFromGdiPlusPointF( const Gdiplus::PointF& );
+        ::basegfx::B2DRange b2dRangeFromGdiPlusRectF( const Gdiplus::RectF& );
+
+        css::uno::Sequence< sal_Int8 > argbToIntSequence( Gdiplus::ARGB rColor );
+        Gdiplus::ARGB sequenceToArgb( const css::uno::Sequence< sal_Int8 >& rColor );
+        Gdiplus::ARGB sequenceToArgb( const css::uno::Sequence< double >&  rColor );
+
+        GraphicsPathSharedPtr graphicsPathFromRealPoint2DSequence( const css::uno::Sequence<
+                                                                 css::uno::Sequence< css::geometry::RealPoint2D > >& );
+
+        GraphicsPathSharedPtr graphicsPathFromB2DPolygon(
+            const ::basegfx::B2DPolygon& rPoly,
+            bool bNoLineJoin = false);
+
+        GraphicsPathSharedPtr graphicsPathFromB2DPolyPolygon(
+            const ::basegfx::B2DPolyPolygon& rPoly,
+            bool bNoLineJoin = false);
+
+        GraphicsPathSharedPtr graphicsPathFromXPolyPolygon2D(
+            const css::uno::Reference< css::rendering::XPolyPolygon2D >&,
+            bool bNoLineJoin = false );
+
+        bool drawGdiPlusBitmap( const GraphicsSharedPtr& rGraphics,
+                                const BitmapSharedPtr&   rBitmap );
+        bool drawDIBits( const std::shared_ptr< Gdiplus::Graphics >& rGraphics,
+                         const BITMAPINFO&                               rBI,
+                         const void*                                     pBits );
+
+        bool drawRGBABits( const std::shared_ptr< Gdiplus::Graphics >& rGraphics,
+                           const RawRGBABitmap&                            rRawRGBAData );
+
+        BitmapSharedPtr bitmapFromXBitmap( const css::uno::Reference< css::rendering::XBitmap >&  xBitmap );
+
+        CanvasFont::ImplRef canvasFontFromXFont( const css::uno::Reference< css::rendering::XCanvasFont >& xFont );
+
+        void setModulateImageAttributes( Gdiplus::ImageAttributes& o_rAttr,
+                                         double                           nRedModulation,
+                                         double                           nGreenModulation,
+                                         double                           nBlueModulation,
+                                         double                           nAlphaModulation );
+    }
+}
+
+#endif // INCLUDED_CANVAS_SOURCE_DIRECTX_DX_IMPLTOOLS_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */