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diff --git a/vcl/inc/skia/gdiimpl.hxx b/vcl/inc/skia/gdiimpl.hxx
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+++ b/vcl/inc/skia/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 .
+ */
+
+#ifndef INCLUDED_VCL_SKIA_SKIAGDIIMPL_HXX
+#define INCLUDED_VCL_SKIA_SKIAGDIIMPL_HXX
+
+#include <vcl/dllapi.h>
+
+#include "salgdiimpl.hxx"
+#include "salgeom.hxx"
+
+class VCL_DLLPUBLIC SkiaSalGraphicsImpl : public SalGraphicsImpl
+{
+public:
+    SkiaSalGraphicsImpl(SalGraphics& pParent, SalGeometryProvider* pProvider);
+    virtual ~SkiaSalGraphicsImpl() override;
+
+    virtual void Init() override;
+
+    virtual void DeInit() override;
+
+    virtual void freeResources() override;
+
+    const vcl::Region& getClipRegion() const;
+    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 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(long nX, long nY) override;
+    virtual void drawPixel(long nX, long nY, Color nColor) override;
+
+    virtual void drawLine(long nX1, long nY1, long nX2, long nY2) override;
+
+    virtual void drawRect(long nX, long nY, long nWidth, long nHeight) override;
+
+    virtual void drawPolyLine(sal_uInt32 nPoints, const SalPoint* pPtAry) override;
+
+    virtual void drawPolygon(sal_uInt32 nPoints, const SalPoint* pPtAry) override;
+
+    virtual void drawPolyPolygon(sal_uInt32 nPoly, const sal_uInt32* pPoints,
+                                 PCONSTSALPOINT* 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,
+                              const basegfx::B2DVector& rLineWidths, basegfx::B2DLineJoin,
+                              css::drawing::LineCap, double fMiterMinimumAngle,
+                              bool bPixelSnapHairline) override;
+
+    virtual bool drawPolyLineBezier(sal_uInt32 nPoints, const SalPoint* pPtAry,
+                                    const PolyFlags* pFlgAry) override;
+
+    virtual bool drawPolygonBezier(sal_uInt32 nPoints, const SalPoint* pPtAry,
+                                   const PolyFlags* pFlgAry) override;
+
+    virtual bool drawPolyPolygonBezier(sal_uInt32 nPoly, const sal_uInt32* pPoints,
+                                       const SalPoint* const* pPtAry,
+                                       const PolyFlags* const* pFlgAry) override;
+
+    // CopyArea --> No RasterOp, but ClipRegion
+    virtual void copyArea(long nDestX, long nDestY, long nSrcX, long nSrcY, long nSrcWidth,
+                          long nSrcHeight, bool bWindowInvalidate) 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;
+
+    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(long nX, long nY, long nWidth,
+                                                 long nHeight) override;
+
+    virtual Color getPixel(long nX, long nY) override;
+
+    // invert --> ClipRegion (only Windows or VirDevs)
+    virtual void invert(long nX, long nY, long nWidth, long nHeight, SalInvert nFlags) override;
+
+    virtual void invert(sal_uInt32 nPoints, const SalPoint* pPtAry, SalInvert nFlags) override;
+
+    virtual bool drawEPS(long nX, long nY, long nWidth, long nHeight, void* pPtr,
+                         sal_uInt32 nSize) 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) override;
+
+    /** Render solid rectangle with given transparency
+
+      @param nX             Top left coordinate of rectangle
+
+      @param nY             Bottom right coordinate of rectangle
+
+      @param nWidth         Width of rectangle
+
+      @param nHeight        Height of rectangle
+
+      @param nTransparency  Transparency value (0-255) to use. 0 blits and opaque, 255 a
+                            fully transparent rectangle
+
+      @returns true if successfully drawn, false if not able to draw rectangle
+     */
+    virtual bool drawAlphaRect(long nX, long nY, long nWidth, long nHeight,
+                               sal_uInt8 nTransparency) override;
+
+    virtual bool drawGradient(const tools::PolyPolygon& rPolygon,
+                              const Gradient& rGradient) override;
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */