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diff --git a/vcl/win/gdi/gdiimpl.hxx b/vcl/win/gdi/gdiimpl.hxx
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+++ b/vcl/win/gdi/gdiimpl.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 <salgdiimpl.hxx>
+#include <tools/long.hxx>
+#include <win/salgdi.h>
+#include <win/wingdiimpl.hxx>
+
+#include <vcl/gradient.hxx>
+
+#include <svsys.h>
+#include <ControlCacheKey.hxx>
+
+class WinSalGraphics;
+
+class WinSalGraphicsImpl : public SalGraphicsImpl, public WinSalGraphicsImplBase
+{
+private:
+
+    WinSalGraphics& mrParent;
+    bool mbXORMode : 1; // _every_ output with RasterOp XOR
+    bool mbPen : 1; // is Pen (FALSE == NULL_PEN)
+    HPEN mhPen; // Pen
+    bool mbStockPen : 1; // is Pen a stockpen
+    bool mbBrush : 1; // is Brush (FALSE == NULL_BRUSH)
+    bool mbStockBrush : 1; // is Brush a stockbrush
+    HBRUSH mhBrush; // Brush
+    COLORREF mnPenColor; // PenColor
+    COLORREF mnBrushColor; // BrushColor
+
+    // remember RGB values for SetLineColor/SetFillColor
+    Color                maLineColor;
+    Color                maFillColor;
+
+    bool TryDrawBitmapGDIPlus(const SalTwoRect& rTR, const SalBitmap& rSrcBitmap);
+    void DrawPixelImpl(tools::Long nX, tools::Long nY, COLORREF crColor);
+
+    HPEN SearchStockPen(COLORREF nPenColor);
+    HPEN MakePen(Color nColor);
+    void ResetPen(HPEN hNewPen);
+
+    HBRUSH SearchStockBrush(COLORREF nBrushColor);
+    HBRUSH MakeBrush(Color nColor);
+    void ResetBrush(HBRUSH hNewBrush);
+public:
+
+    explicit WinSalGraphicsImpl(WinSalGraphics& rParent);
+
+    virtual ~WinSalGraphicsImpl() override;
+
+    virtual void Init() override;
+
+    virtual void freeResources() override;
+
+    virtual OUString getRenderBackendName() const override { return "gdi"; }
+
+    virtual bool setClipRegion( const vcl::Region& ) override;
+    //
+    // get the depth of the device
+    virtual sal_uInt16 GetBitCount() const override;
+
+    // get the width of the device
+    virtual tools::Long GetGraphicsWidth() const override;
+
+    // set the clip region to empty
+    virtual void ResetClipRegion() override;
+
+    // set the line color to transparent (= don't draw lines)
+
+    virtual void SetLineColor() override;
+
+    // set the line color to a specific color
+    virtual void SetLineColor( Color nColor ) override;
+
+    // set the fill color to transparent (= don't fill)
+    virtual void SetFillColor() override;
+
+    // set the fill color to a specific color, shapes will be
+    // filled accordingly
+    virtual void SetFillColor( Color nColor ) override;
+
+    // enable/disable XOR drawing
+    virtual void SetXORMode( bool bSet, bool bInvertOnly ) override;
+
+    // set line color for raster operations
+    virtual void SetROPLineColor( SalROPColor nROPColor ) override;
+
+    // set fill color for raster operations
+    virtual void SetROPFillColor( SalROPColor nROPColor ) override;
+
+    // draw --> LineColor and FillColor and RasterOp and ClipRegion
+    virtual void drawPixel( tools::Long nX, tools::Long nY ) override;
+    virtual void drawPixel( tools::Long nX, tools::Long nY, Color nColor ) override;
+
+    virtual void drawLine( tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2 ) override;
+
+    virtual void drawRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) override;
+
+    virtual void drawPolyLine( sal_uInt32 nPoints, const Point* pPtAry ) override;
+
+    virtual void drawPolygon( sal_uInt32 nPoints, const Point* pPtAry ) override;
+
+    virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, const Point** pPtAry ) override;
+
+    virtual bool drawPolyPolygon(
+                const basegfx::B2DHomMatrix& rObjectToDevice,
+                const basegfx::B2DPolyPolygon&,
+                double fTransparency) override;
+
+    virtual bool drawPolyLine(
+                const basegfx::B2DHomMatrix& rObjectToDevice,
+                const basegfx::B2DPolygon&,
+                double fTransparency,
+                double fLineWidth,
+                const std::vector< double >* pStroke, // MM01
+                basegfx::B2DLineJoin,
+                css::drawing::LineCap,
+                double fMiterMinimumAngle,
+                bool bPixelSnapHairline) override;
+
+    virtual bool drawPolyLineBezier(
+                sal_uInt32 nPoints,
+                const Point* pPtAry,
+                const PolyFlags* pFlgAry ) override;
+
+    virtual bool drawPolygonBezier(
+                sal_uInt32 nPoints,
+                const Point* pPtAry,
+                const PolyFlags* pFlgAry ) override;
+
+    virtual bool drawPolyPolygonBezier(
+                sal_uInt32 nPoly,
+                const sal_uInt32* pPoints,
+                const Point* const* pPtAry,
+                const PolyFlags* const* pFlgAry ) override;
+
+    // CopyArea --> No RasterOp, but ClipRegion
+    virtual void copyArea(
+                tools::Long nDestX, tools::Long nDestY,
+                tools::Long nSrcX, tools::Long nSrcY,
+                tools::Long nSrcWidth, tools::Long nSrcHeight, bool bWindowInvalidate ) override;
+
+    // CopyBits and DrawBitmap --> RasterOp and ClipRegion
+    // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
+    virtual void copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) override;
+
+    virtual void drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ) override;
+
+    virtual void drawBitmap(
+                const SalTwoRect& rPosAry,
+                const SalBitmap& rSalBitmap,
+                const SalBitmap& rMaskBitmap ) override;
+
+    virtual void drawMask(
+                const SalTwoRect& rPosAry,
+                const SalBitmap& rSalBitmap,
+                Color nMaskColor ) override;
+
+    virtual std::shared_ptr<SalBitmap> getBitmap( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) override;
+
+    virtual Color getPixel( tools::Long nX, tools::Long nY ) override;
+
+    // invert --> ClipRegion (only Windows or VirDevs)
+    virtual void invert(
+                tools::Long nX, tools::Long nY,
+                tools::Long nWidth, tools::Long nHeight,
+                SalInvert nFlags) override;
+
+    virtual void invert( sal_uInt32 nPoints, const Point* pPtAry, SalInvert nFlags ) override;
+
+    virtual bool drawEPS(
+                tools::Long nX, tools::Long nY,
+                tools::Long nWidth, tools::Long nHeight,
+                void* pPtr,
+                sal_uInt32 nSize ) override;
+
+    virtual bool blendBitmap(
+                const SalTwoRect&,
+                const SalBitmap& rBitmap ) override;
+
+    virtual bool blendAlphaBitmap(
+                const SalTwoRect&,
+                const SalBitmap& rSrcBitmap,
+                const SalBitmap& rMaskBitmap,
+                const SalBitmap& rAlphaBitmap ) override;
+
+    /** Render bitmap with alpha channel
+
+        @param rSourceBitmap
+        Source bitmap to blit
+
+        @param rAlphaBitmap
+        Alpha channel to use for blitting
+
+        @return true, if the operation succeeded, and false
+        otherwise. In this case, clients should try to emulate alpha
+        compositing themselves
+     */
+    virtual bool drawAlphaBitmap(
+                const SalTwoRect&,
+                const SalBitmap& rSourceBitmap,
+                const SalBitmap& rAlphaBitmap ) override;
+
+    /** draw transformed bitmap (maybe with alpha) where Null, X, Y define the coordinate system */
+    virtual bool drawTransformedBitmap(
+                const basegfx::B2DPoint& rNull,
+                const basegfx::B2DPoint& rX,
+                const basegfx::B2DPoint& rY,
+                const SalBitmap& rSourceBitmap,
+                const SalBitmap* pAlphaBitmap,
+                double fAlpha) override;
+
+    virtual bool hasFastDrawTransformedBitmap() const override;
+
+    /** Render solid rectangle with given transparency
+
+        @param nTransparency
+        Transparency value (0-255) to use. 0 blits and opaque, 255 a
+        fully transparent rectangle
+     */
+    virtual bool drawAlphaRect(
+                    tools::Long nX, tools::Long nY,
+                    tools::Long nWidth, tools::Long nHeight,
+                    sal_uInt8 nTransparency ) override;
+
+
+    virtual bool drawGradient(const tools::PolyPolygon& rPolygon,
+            const Gradient& rGradient) override;
+    virtual bool implDrawGradient(basegfx::B2DPolyPolygon const & rPolyPolygon,
+                SalGradient const & rGradient) override;
+
+    virtual bool supportsOperation(OutDevSupportType eType) const override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */