Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2753 insertions, 0 deletions

diff --git a/vcl/win/gdi/gdiimpl.cxx b/vcl/win/gdi/gdiimpl.cxx
new file mode 100644
index 000000000..2c4187325
--- /dev/null
+++ b/vcl/win/gdi/gdiimpl.cxx
@@ -0,0 +1,2753 @@
+/* -*- 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 .
+ */
+
+#include <sal/config.h>
+
+#include <cstdlib>
+#include <memory>
+#include <numeric>
+
+#include <svsys.h>
+
+#include "gdiimpl.hxx"
+
+#include <string.h>
+#include <rtl/strbuf.hxx>
+#include <sal/log.hxx>
+#include <tools/poly.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/polygon/b2dpolypolygontools.hxx>
+#include <win/wincomp.hxx>
+#include <win/saldata.hxx>
+#include <win/salgdi.h>
+#include <win/salbmp.h>
+#include <win/scoped_gdi.hxx>
+#include <vcl/BitmapAccessMode.hxx>
+#include <vcl/BitmapBuffer.hxx>
+#include <vcl/BitmapPalette.hxx>
+#include <win/salframe.h>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include <basegfx/utils/systemdependentdata.hxx>
+
+#include <win/salids.hrc>
+#include <ControlCacheKey.hxx>
+
+#if defined _MSC_VER
+#ifndef min
+#define min(a,b)    (((a) < (b)) ? (a) : (b))
+#endif
+#ifndef max
+#define max(a,b)    (((a) > (b)) ? (a) : (b))
+#endif
+#endif
+
+#include <prewin.h>
+
+#include <gdiplus.h>
+#include <gdiplusenums.h>
+#include <gdipluscolor.h>
+
+#include <postwin.h>
+
+#define SAL_POLYPOLYCOUNT_STACKBUF          8
+#define SAL_POLYPOLYPOINTS_STACKBUF         64
+
+#define SAL_POLY_STACKBUF       32
+
+namespace {
+
+// #100127# Fill point and flag memory from array of points which
+// might also contain bezier control points for the PolyDraw() GDI method
+// Make sure pWinPointAry and pWinFlagAry are big enough
+void ImplPreparePolyDraw( bool                      bCloseFigures,
+                          sal_uLong                 nPoly,
+                          const sal_uInt32*         pPoints,
+                          const Point* const*    pPtAry,
+                          const PolyFlags* const*   pFlgAry,
+                          POINT*                    pWinPointAry,
+                          BYTE*                     pWinFlagAry     )
+{
+    sal_uLong nCurrPoly;
+    for( nCurrPoly=0; nCurrPoly<nPoly; ++nCurrPoly )
+    {
+        const Point* pCurrPoint = *pPtAry++;
+        const PolyFlags* pCurrFlag = *pFlgAry++;
+        const sal_uInt32 nCurrPoints = *pPoints++;
+        const bool bHaveFlagArray( pCurrFlag );
+        sal_uLong nCurrPoint;
+
+        if( nCurrPoints )
+        {
+            // start figure
+            *pWinPointAry++ = POINT { static_cast<LONG>(pCurrPoint->getX()), static_cast<LONG>(pCurrPoint->getY()) };
+            pCurrPoint++;
+            *pWinFlagAry++  = PT_MOVETO;
+            ++pCurrFlag;
+
+            for( nCurrPoint=1; nCurrPoint<nCurrPoints; )
+            {
+                // #102067# Check existence of flag array
+                if( bHaveFlagArray &&
+                    ( nCurrPoint + 2 ) < nCurrPoints )
+                {
+                    PolyFlags P4( pCurrFlag[ 2 ] );
+
+                    if( ( PolyFlags::Control == pCurrFlag[ 0 ] ) &&
+                        ( PolyFlags::Control == pCurrFlag[ 1 ] ) &&
+                        ( PolyFlags::Normal == P4 || PolyFlags::Smooth == P4 || PolyFlags::Symmetric == P4 ) )
+                    {
+                        // control point one
+                        *pWinPointAry++ = POINT { static_cast<LONG>(pCurrPoint->getX()), static_cast<LONG>(pCurrPoint->getY()) };
+                        pCurrPoint++;
+                        *pWinFlagAry++  = PT_BEZIERTO;
+
+                        // control point two
+                        *pWinPointAry++ = POINT { static_cast<LONG>(pCurrPoint->getX()), static_cast<LONG>(pCurrPoint->getY()) };
+                        pCurrPoint++;
+                        *pWinFlagAry++  = PT_BEZIERTO;
+
+                        // end point
+                        *pWinPointAry++ = POINT { static_cast<LONG>(pCurrPoint->getX()), static_cast<LONG>(pCurrPoint->getY()) };
+                        pCurrPoint++;
+                        *pWinFlagAry++  = PT_BEZIERTO;
+
+                        nCurrPoint += 3;
+                        pCurrFlag += 3;
+                        continue;
+                    }
+                }
+
+                // regular line point
+                *pWinPointAry++ = POINT { static_cast<LONG>(pCurrPoint->getX()), static_cast<LONG>(pCurrPoint->getY()) };
+                pCurrPoint++;
+                *pWinFlagAry++  = PT_LINETO;
+                ++pCurrFlag;
+                ++nCurrPoint;
+            }
+
+            // end figure?
+            if( bCloseFigures )
+                pWinFlagAry[-1] |= PT_CLOSEFIGURE;
+        }
+    }
+}
+
+Color ImplGetROPColor( SalROPColor nROPColor )
+{
+    Color nColor;
+    if ( nROPColor == SalROPColor::N0 )
+        nColor = Color( 0, 0, 0 );
+    else
+        nColor = Color( 255, 255, 255 );
+    return nColor;
+}
+
+bool IsDitherColor(BYTE nRed, BYTE nGreen, BYTE nBlue)
+{
+    constexpr sal_uInt8 DITHER_PAL_DELTA = 51;
+
+    return !(nRed % DITHER_PAL_DELTA) &&
+           !(nGreen % DITHER_PAL_DELTA) &&
+           !(nBlue % DITHER_PAL_DELTA);
+}
+
+bool IsPaletteColor(BYTE nRed, BYTE nGreen, BYTE nBlue)
+{
+    static const PALETTEENTRY aImplSalSysPalEntryAry[] =
+    {
+    {    0,    0,    0, 0 },
+    {    0,    0, 0x80, 0 },
+    {    0, 0x80,    0, 0 },
+    {    0, 0x80, 0x80, 0 },
+    { 0x80,    0,    0, 0 },
+    { 0x80,    0, 0x80, 0 },
+    { 0x80, 0x80,    0, 0 },
+    { 0x80, 0x80, 0x80, 0 },
+    { 0xC0, 0xC0, 0xC0, 0 },
+    {    0,    0, 0xFF, 0 },
+    {    0, 0xFF,    0, 0 },
+    {    0, 0xFF, 0xFF, 0 },
+    { 0xFF,    0,    0, 0 },
+    { 0xFF,    0, 0xFF, 0 },
+    { 0xFF, 0xFF,    0, 0 },
+    { 0xFF, 0xFF, 0xFF, 0 }
+    };
+
+    for (const auto& rPalEntry : aImplSalSysPalEntryAry)
+    {
+        if(rPalEntry.peRed == nRed &&
+           rPalEntry.peGreen == nGreen &&
+           rPalEntry.peBlue == nBlue)
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+bool IsExtraColor(BYTE nRed, BYTE nGreen, BYTE nBlue)
+{
+    return (nRed == 0) && (nGreen == 184) && (nBlue == 255);
+}
+
+bool ImplIsPaletteEntry(BYTE nRed, BYTE nGreen, BYTE nBlue)
+{
+    return IsDitherColor(nRed, nGreen, nBlue) ||
+           IsPaletteColor(nRed, nGreen, nBlue) ||
+           IsExtraColor(nRed, nGreen, nBlue);
+}
+
+} // namespace
+
+WinSalGraphicsImpl::WinSalGraphicsImpl(WinSalGraphics& rParent):
+    mrParent(rParent),
+    mbXORMode(false),
+    mbPen(false),
+    mhPen(nullptr),
+    mbStockPen(false),
+    mbBrush(false),
+    mbStockBrush(false),
+    mhBrush(nullptr)
+{
+}
+
+WinSalGraphicsImpl::~WinSalGraphicsImpl()
+{
+    if ( mhPen )
+    {
+        if ( !mbStockPen )
+            DeletePen( mhPen );
+    }
+
+    if ( mhBrush )
+    {
+        if ( !mbStockBrush )
+            DeleteBrush( mhBrush );
+    }
+}
+
+void WinSalGraphicsImpl::Init()
+{
+}
+
+void WinSalGraphicsImpl::freeResources()
+{
+}
+
+bool WinSalGraphicsImpl::drawEPS(tools::Long, tools::Long, tools::Long, tools::Long, void*, sal_uInt32)
+{
+    return false;
+}
+
+void WinSalGraphicsImpl::copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics )
+{
+    HDC     hSrcDC;
+    DWORD   nRop;
+
+    if ( pSrcGraphics )
+        hSrcDC = static_cast<WinSalGraphics*>(pSrcGraphics)->getHDC();
+    else
+        hSrcDC = mrParent.getHDC();
+
+    if ( mbXORMode )
+        nRop = SRCINVERT;
+    else
+        nRop = SRCCOPY;
+
+    if ( (rPosAry.mnSrcWidth  == rPosAry.mnDestWidth) &&
+         (rPosAry.mnSrcHeight == rPosAry.mnDestHeight) )
+    {
+        BitBlt( mrParent.getHDC(),
+                static_cast<int>(rPosAry.mnDestX), static_cast<int>(rPosAry.mnDestY),
+                static_cast<int>(rPosAry.mnDestWidth), static_cast<int>(rPosAry.mnDestHeight),
+                hSrcDC,
+                static_cast<int>(rPosAry.mnSrcX), static_cast<int>(rPosAry.mnSrcY),
+                nRop );
+    }
+    else
+    {
+        int nOldStretchMode = SetStretchBltMode( mrParent.getHDC(), STRETCH_DELETESCANS );
+        StretchBlt( mrParent.getHDC(),
+                    static_cast<int>(rPosAry.mnDestX), static_cast<int>(rPosAry.mnDestY),
+                    static_cast<int>(rPosAry.mnDestWidth), static_cast<int>(rPosAry.mnDestHeight),
+                    hSrcDC,
+                    static_cast<int>(rPosAry.mnSrcX), static_cast<int>(rPosAry.mnSrcY),
+                    static_cast<int>(rPosAry.mnSrcWidth), static_cast<int>(rPosAry.mnSrcHeight),
+                    nRop );
+        SetStretchBltMode( mrParent.getHDC(), nOldStretchMode );
+    }
+}
+
+namespace
+{
+
+void MakeInvisibleArea(const RECT& rSrcRect,
+                       int nLeft, int nTop, int nRight, int nBottom,
+                       HRGN& rhInvalidateRgn)
+{
+    if (!rhInvalidateRgn)
+    {
+        rhInvalidateRgn = CreateRectRgnIndirect(&rSrcRect);
+    }
+
+    ScopedHRGN hTempRgn(CreateRectRgn(nLeft, nTop, nRight, nBottom));
+    CombineRgn(rhInvalidateRgn, rhInvalidateRgn, hTempRgn.get(), RGN_DIFF);
+}
+
+void ImplCalcOutSideRgn( const RECT& rSrcRect,
+                         int nLeft, int nTop, int nRight, int nBottom,
+                         HRGN& rhInvalidateRgn )
+{
+    // calculate area outside the visible region
+    if (rSrcRect.left < nLeft)
+    {
+        MakeInvisibleArea(rSrcRect, -31999, 0, nLeft, 31999, rhInvalidateRgn);
+    }
+    if (rSrcRect.top < nTop)
+    {
+        MakeInvisibleArea(rSrcRect, 0, -31999, 31999, nTop, rhInvalidateRgn);
+    }
+    if (rSrcRect.right > nRight)
+    {
+        MakeInvisibleArea(rSrcRect, nRight, 0, 31999, 31999, rhInvalidateRgn);
+    }
+    if (rSrcRect.bottom > nBottom)
+    {
+        MakeInvisibleArea(rSrcRect, 0, nBottom, 31999, 31999, rhInvalidateRgn);
+    }
+}
+
+} // namespace
+
+void WinSalGraphicsImpl::copyArea( tools::Long nDestX, tools::Long nDestY,
+                            tools::Long nSrcX, tools::Long nSrcY,
+                            tools::Long nSrcWidth, tools::Long nSrcHeight,
+                            bool bWindowInvalidate )
+{
+    bool    bRestoreClipRgn = false;
+    HRGN    hOldClipRgn = nullptr;
+    int     nOldClipRgnType = ERROR;
+    HRGN    hInvalidateRgn = nullptr;
+
+    // do we have to invalidate also the overlapping regions?
+    if ( bWindowInvalidate && mrParent.isWindow() )
+    {
+        // compute and invalidate those parts that were either off-screen or covered by other windows
+        //  while performing the above BitBlt
+        // those regions then have to be invalidated as they contain useless/wrong data
+        RECT    aSrcRect;
+        RECT    aClipRect;
+        RECT    aTempRect;
+        RECT    aTempRect2;
+        HRGN    hTempRgn;
+        HWND    hWnd;
+
+        // restrict srcRect to this window (calc intersection)
+        aSrcRect.left   = static_cast<int>(nSrcX);
+        aSrcRect.top    = static_cast<int>(nSrcY);
+        aSrcRect.right  = aSrcRect.left+static_cast<int>(nSrcWidth);
+        aSrcRect.bottom = aSrcRect.top+static_cast<int>(nSrcHeight);
+        GetClientRect( mrParent.gethWnd(), &aClipRect );
+        if ( IntersectRect( &aSrcRect, &aSrcRect, &aClipRect ) )
+        {
+            // transform srcRect to screen coordinates
+            POINT aPt;
+            aPt.x = 0;
+            aPt.y = 0;
+            ClientToScreen( mrParent.gethWnd(), &aPt );
+            aSrcRect.left   += aPt.x;
+            aSrcRect.top    += aPt.y;
+            aSrcRect.right  += aPt.x;
+            aSrcRect.bottom += aPt.y;
+            hInvalidateRgn = nullptr;
+
+            // compute the parts that are off screen (ie invisible)
+            RECT theScreen;
+            ImplSalGetWorkArea( nullptr, &theScreen, nullptr );  // find the screen area taking multiple monitors into account
+            ImplCalcOutSideRgn( aSrcRect, theScreen.left, theScreen.top, theScreen.right, theScreen.bottom, hInvalidateRgn );
+
+            // calculate regions that are covered by other windows
+            HRGN hTempRgn2 = nullptr;
+            HWND hWndTopWindow = mrParent.gethWnd();
+            // Find the TopLevel Window, because only Windows which are in
+            // in the foreground of our TopLevel window must be considered
+            if ( GetWindowStyle( hWndTopWindow ) & WS_CHILD )
+            {
+                RECT aTempRect3 = aSrcRect;
+                do
+                {
+                    hWndTopWindow = ::GetParent( hWndTopWindow );
+
+                    // Test if the Parent clips our window
+                    GetClientRect( hWndTopWindow, &aTempRect );
+                    POINT aPt2;
+                    aPt2.x = 0;
+                    aPt2.y = 0;
+                    ClientToScreen( hWndTopWindow, &aPt2 );
+                    aTempRect.left   += aPt2.x;
+                    aTempRect.top    += aPt2.y;
+                    aTempRect.right  += aPt2.x;
+                    aTempRect.bottom += aPt2.y;
+                    IntersectRect( &aTempRect3, &aTempRect3, &aTempRect );
+                }
+                while ( GetWindowStyle( hWndTopWindow ) & WS_CHILD );
+
+                // If one or more Parents clip our window, then we must
+                // calculate the outside area
+                if ( !EqualRect( &aSrcRect, &aTempRect3 ) )
+                {
+                    ImplCalcOutSideRgn( aSrcRect,
+                                        aTempRect3.left, aTempRect3.top,
+                                        aTempRect3.right, aTempRect3.bottom,
+                                        hInvalidateRgn );
+                }
+            }
+            // retrieve the top-most (z-order) child window
+            hWnd = GetWindow( GetDesktopWindow(), GW_CHILD );
+            while ( hWnd )
+            {
+                if ( hWnd == hWndTopWindow )
+                    break;
+                if ( IsWindowVisible( hWnd ) && !IsIconic( hWnd ) )
+                {
+                    GetWindowRect( hWnd, &aTempRect );
+                    if ( IntersectRect( &aTempRect2, &aSrcRect, &aTempRect ) )
+                    {
+                        // hWnd covers part or all of aSrcRect
+                        if ( !hInvalidateRgn )
+                            hInvalidateRgn = CreateRectRgnIndirect( &aSrcRect );
+
+                        // get full bounding box of hWnd
+                        hTempRgn = CreateRectRgnIndirect( &aTempRect );
+
+                        // get region of hWnd (the window may be shaped)
+                        if ( !hTempRgn2 )
+                            hTempRgn2 = CreateRectRgn( 0, 0, 0, 0 );
+                        int nRgnType = GetWindowRgn( hWnd, hTempRgn2 );
+                        if ( (nRgnType != ERROR) && (nRgnType != NULLREGION) )
+                        {
+                            // convert window region to screen coordinates
+                            OffsetRgn( hTempRgn2, aTempRect.left, aTempRect.top );
+                            // and intersect with the window's bounding box
+                            CombineRgn( hTempRgn, hTempRgn, hTempRgn2, RGN_AND );
+                        }
+                        // finally compute that part of aSrcRect which is not covered by any parts of hWnd
+                        CombineRgn( hInvalidateRgn, hInvalidateRgn, hTempRgn, RGN_DIFF );
+                        DeleteRegion( hTempRgn );
+                    }
+                }
+                // retrieve the next window in the z-order, i.e. the window below hwnd
+                hWnd = GetWindow( hWnd, GW_HWNDNEXT );
+            }
+            if ( hTempRgn2 )
+                DeleteRegion( hTempRgn2 );
+            if ( hInvalidateRgn )
+            {
+                // hInvalidateRgn contains the fully visible parts of the original srcRect
+                hTempRgn = CreateRectRgnIndirect( &aSrcRect );
+                // subtract it from the original rect to get the occluded parts
+                int nRgnType = CombineRgn( hInvalidateRgn, hTempRgn, hInvalidateRgn, RGN_DIFF );
+                DeleteRegion( hTempRgn );
+
+                if ( (nRgnType != ERROR) && (nRgnType != NULLREGION) )
+                {
+                    // move the occluded parts to the destination pos
+                    int nOffX = static_cast<int>(nDestX-nSrcX);
+                    int nOffY = static_cast<int>(nDestY-nSrcY);
+                    OffsetRgn( hInvalidateRgn, nOffX-aPt.x, nOffY-aPt.y );
+
+                    // by excluding hInvalidateRgn from the system's clip region
+                    // we will prevent bitblt from copying useless data
+                    // especially now shadows from overlapping windows will appear (#i36344)
+                    hOldClipRgn = CreateRectRgn( 0, 0, 0, 0 );
+                    nOldClipRgnType = GetClipRgn( mrParent.getHDC(), hOldClipRgn );
+
+                    bRestoreClipRgn = true; // indicate changed clipregion and force invalidate
+                    ExtSelectClipRgn( mrParent.getHDC(), hInvalidateRgn, RGN_DIFF );
+                }
+            }
+        }
+    }
+
+    BitBlt( mrParent.getHDC(),
+            static_cast<int>(nDestX), static_cast<int>(nDestY),
+            static_cast<int>(nSrcWidth), static_cast<int>(nSrcHeight),
+            mrParent.getHDC(),
+            static_cast<int>(nSrcX), static_cast<int>(nSrcY),
+            SRCCOPY );
+
+    if( bRestoreClipRgn )
+    {
+        // restore old clip region
+        if( nOldClipRgnType != ERROR )
+            SelectClipRgn( mrParent.getHDC(), hOldClipRgn);
+        DeleteRegion( hOldClipRgn );
+
+        // invalidate regions that were not copied
+        bool    bInvalidate = true;
+
+        // Combine Invalidate vcl::Region with existing ClipRegion
+        HRGN    hTempRgn = CreateRectRgn( 0, 0, 0, 0 );
+        if ( GetClipRgn( mrParent.getHDC(), hTempRgn ) == 1 )
+        {
+            int nRgnType = CombineRgn( hInvalidateRgn, hTempRgn, hInvalidateRgn, RGN_AND );
+            if ( (nRgnType == ERROR) || (nRgnType == NULLREGION) )
+                bInvalidate = false;
+        }
+        DeleteRegion( hTempRgn );
+
+        if ( bInvalidate )
+        {
+            InvalidateRgn( mrParent.gethWnd(), hInvalidateRgn, TRUE );
+            // here we only initiate an update if this is the MainThread,
+            // so that there is no deadlock when handling the Paint event,
+            // as the SolarMutex is already held by this Thread
+            SalData*    pSalData = GetSalData();
+            DWORD       nCurThreadId = GetCurrentThreadId();
+            if ( pSalData->mnAppThreadId == nCurThreadId )
+                UpdateWindow( mrParent.gethWnd() );
+        }
+
+        DeleteRegion( hInvalidateRgn );
+    }
+
+}
+
+namespace {
+
+void ImplDrawBitmap( HDC hDC, const SalTwoRect& rPosAry, const WinSalBitmap& rSalBitmap,
+                     bool bPrinter, int nDrawMode )
+{
+    if( hDC )
+    {
+        HGLOBAL     hDrawDIB;
+        HBITMAP     hDrawDDB = rSalBitmap.ImplGethDDB();
+        std::unique_ptr<WinSalBitmap> xTmpSalBmp;
+        bool        bPrintDDB = ( bPrinter && hDrawDDB );
+
+        if( bPrintDDB )
+        {
+            xTmpSalBmp.reset(new WinSalBitmap);
+            xTmpSalBmp->Create(rSalBitmap, vcl::bitDepthToPixelFormat(rSalBitmap.GetBitCount()));
+            hDrawDIB = xTmpSalBmp->ImplGethDIB();
+        }
+        else
+            hDrawDIB = rSalBitmap.ImplGethDIB();
+
+        if( hDrawDIB )
+        {
+            PBITMAPINFO         pBI = static_cast<PBITMAPINFO>(GlobalLock( hDrawDIB ));
+            PBYTE               pBits = reinterpret_cast<PBYTE>(pBI) + pBI->bmiHeader.biSize +
+                                        WinSalBitmap::ImplGetDIBColorCount( hDrawDIB ) * sizeof( RGBQUAD );
+            const int           nOldStretchMode = SetStretchBltMode( hDC, STRETCH_DELETESCANS );
+
+            StretchDIBits( hDC,
+                           static_cast<int>(rPosAry.mnDestX), static_cast<int>(rPosAry.mnDestY),
+                           static_cast<int>(rPosAry.mnDestWidth), static_cast<int>(rPosAry.mnDestHeight),
+                           static_cast<int>(rPosAry.mnSrcX), static_cast<int>(pBI->bmiHeader.biHeight - rPosAry.mnSrcHeight - rPosAry.mnSrcY),
+                           static_cast<int>(rPosAry.mnSrcWidth), static_cast<int>(rPosAry.mnSrcHeight),
+                           pBits, pBI, DIB_RGB_COLORS, nDrawMode );
+
+            GlobalUnlock( hDrawDIB );
+            SetStretchBltMode( hDC, nOldStretchMode );
+        }
+        else if( hDrawDDB && !bPrintDDB )
+        {
+            ScopedCachedHDC<CACHED_HDC_DRAW> hBmpDC(hDrawDDB);
+
+            COLORREF    nOldBkColor = RGB(0xFF,0xFF,0xFF);
+            COLORREF    nOldTextColor = RGB(0,0,0);
+            bool        bMono = ( rSalBitmap.GetBitCount() == 1 );
+
+            if( bMono )
+            {
+                COLORREF nBkColor = RGB( 0xFF, 0xFF, 0xFF );
+                COLORREF nTextColor = RGB( 0x00, 0x00, 0x00 );
+                //fdo#33455 handle 1 bit depth pngs with palette entries
+                //to set fore/back colors
+                if (BitmapBuffer* pBitmapBuffer = const_cast<WinSalBitmap&>(rSalBitmap).AcquireBuffer(BitmapAccessMode::Info))
+                {
+                    const BitmapPalette& rPalette = pBitmapBuffer->maPalette;
+                    if (rPalette.GetEntryCount() == 2)
+                    {
+                        Color nCol = rPalette[0];
+                        nTextColor = RGB( nCol.GetRed(), nCol.GetGreen(), nCol.GetBlue() );
+                        nCol = rPalette[1];
+                        nBkColor = RGB( nCol.GetRed(), nCol.GetGreen(), nCol.GetBlue() );
+                    }
+                    const_cast<WinSalBitmap&>(rSalBitmap).ReleaseBuffer(pBitmapBuffer, BitmapAccessMode::Info);
+                }
+                nOldBkColor = SetBkColor( hDC, nBkColor );
+                nOldTextColor = ::SetTextColor( hDC, nTextColor );
+            }
+
+            if ( (rPosAry.mnSrcWidth  == rPosAry.mnDestWidth) &&
+                 (rPosAry.mnSrcHeight == rPosAry.mnDestHeight) )
+            {
+                BitBlt( hDC,
+                        static_cast<int>(rPosAry.mnDestX), static_cast<int>(rPosAry.mnDestY),
+                        static_cast<int>(rPosAry.mnDestWidth), static_cast<int>(rPosAry.mnDestHeight),
+                        hBmpDC.get(),
+                        static_cast<int>(rPosAry.mnSrcX), static_cast<int>(rPosAry.mnSrcY),
+                        nDrawMode );
+            }
+            else
+            {
+                const int nOldStretchMode = SetStretchBltMode( hDC, STRETCH_DELETESCANS );
+
+                StretchBlt( hDC,
+                            static_cast<int>(rPosAry.mnDestX), static_cast<int>(rPosAry.mnDestY),
+                            static_cast<int>(rPosAry.mnDestWidth), static_cast<int>(rPosAry.mnDestHeight),
+                            hBmpDC.get(),
+                            static_cast<int>(rPosAry.mnSrcX), static_cast<int>(rPosAry.mnSrcY),
+                            static_cast<int>(rPosAry.mnSrcWidth), static_cast<int>(rPosAry.mnSrcHeight),
+                            nDrawMode );
+
+                SetStretchBltMode( hDC, nOldStretchMode );
+            }
+
+            if( bMono )
+            {
+                SetBkColor( hDC, nOldBkColor );
+                ::SetTextColor( hDC, nOldTextColor );
+            }
+        }
+    }
+}
+
+} // namespace
+
+void WinSalGraphicsImpl::drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap)
+{
+    bool bTryDirectPaint(!mrParent.isPrinter() && !mbXORMode);
+
+    if(bTryDirectPaint)
+    {
+        // only paint direct when no scaling and no MapMode, else the
+        // more expensive conversions may be done for short-time Bitmap/BitmapEx
+        // used for buffering only
+        if(rPosAry.mnSrcWidth == rPosAry.mnDestWidth && rPosAry.mnSrcHeight == rPosAry.mnDestHeight)
+        {
+            bTryDirectPaint = false;
+        }
+    }
+
+    // try to draw using GdiPlus directly
+    if(bTryDirectPaint && TryDrawBitmapGDIPlus(rPosAry, rSalBitmap))
+    {
+        return;
+    }
+
+    // fall back old stuff
+    assert(dynamic_cast<const WinSalBitmap*>(&rSalBitmap));
+
+    ImplDrawBitmap(mrParent.getHDC(), rPosAry, static_cast<const WinSalBitmap&>(rSalBitmap),
+        mrParent.isPrinter(),
+        mbXORMode ? SRCINVERT : SRCCOPY );
+}
+
+void WinSalGraphicsImpl::drawBitmap( const SalTwoRect& rPosAry,
+                              const SalBitmap& rSSalBitmap,
+                              const SalBitmap& rSTransparentBitmap )
+{
+    SAL_WARN_IF( mrParent.isPrinter(), "vcl", "No transparency print possible!" );
+    bool bTryDirectPaint(!mrParent.isPrinter() && !mbXORMode);
+
+    // try to draw using GdiPlus directly
+    if(bTryDirectPaint && drawAlphaBitmap(rPosAry, rSSalBitmap, rSTransparentBitmap))
+    {
+        return;
+    }
+
+    assert(dynamic_cast<const WinSalBitmap*>(&rSSalBitmap));
+    assert(dynamic_cast<const WinSalBitmap*>(&rSTransparentBitmap));
+
+    const WinSalBitmap& rSalBitmap = static_cast<const WinSalBitmap&>(rSSalBitmap);
+    const WinSalBitmap& rTransparentBitmap = static_cast<const WinSalBitmap&>(rSTransparentBitmap);
+
+    SalTwoRect  aPosAry = rPosAry;
+    int         nDstX = static_cast<int>(aPosAry.mnDestX);
+    int         nDstY = static_cast<int>(aPosAry.mnDestY);
+    int         nDstWidth = static_cast<int>(aPosAry.mnDestWidth);
+    int         nDstHeight = static_cast<int>(aPosAry.mnDestHeight);
+    HDC         hDC = mrParent.getHDC();
+
+    ScopedHBITMAP hMemBitmap;
+    ScopedHBITMAP hMaskBitmap;
+
+    if( ( nDstWidth > CACHED_HDC_DEFEXT ) || ( nDstHeight > CACHED_HDC_DEFEXT ) )
+    {
+        hMemBitmap.reset(CreateCompatibleBitmap(hDC, nDstWidth, nDstHeight));
+        hMaskBitmap.reset(CreateCompatibleBitmap(hDC, nDstWidth, nDstHeight));
+    }
+
+    ScopedCachedHDC<CACHED_HDC_1> hMemDC(hMemBitmap.get());
+    ScopedCachedHDC<CACHED_HDC_2> hMaskDC(hMaskBitmap.get());
+
+    aPosAry.mnDestX = aPosAry.mnDestY = 0;
+    BitBlt( hMemDC.get(), 0, 0, nDstWidth, nDstHeight, hDC, nDstX, nDstY, SRCCOPY );
+
+    // WIN/WNT seems to have a minor problem mapping the correct color of the
+    // mask to the palette if we draw the DIB directly ==> draw DDB
+    if( ( GetBitCount() <= 8 ) && rTransparentBitmap.ImplGethDIB() && rTransparentBitmap.GetBitCount() == 1 )
+    {
+        WinSalBitmap aTmp;
+
+        if( aTmp.Create( rTransparentBitmap, &mrParent ) )
+            ImplDrawBitmap( hMaskDC.get(), aPosAry, aTmp, false, SRCCOPY );
+    }
+    else
+        ImplDrawBitmap( hMaskDC.get(), aPosAry, rTransparentBitmap, false, SRCCOPY );
+
+    // now MemDC contains background, MaskDC the transparency mask
+
+    // #105055# Respect XOR mode
+    if( mbXORMode )
+    {
+        ImplDrawBitmap( hMaskDC.get(), aPosAry, rSalBitmap, false, SRCERASE );
+        // now MaskDC contains the bitmap area with black background
+        BitBlt( hMemDC.get(), 0, 0, nDstWidth, nDstHeight, hMaskDC.get(), 0, 0, SRCINVERT );
+        // now MemDC contains background XORed bitmap area on top
+    }
+    else
+    {
+        BitBlt( hMemDC.get(), 0, 0, nDstWidth, nDstHeight, hMaskDC.get(), 0, 0, SRCAND );
+        // now MemDC contains background with masked-out bitmap area
+        ImplDrawBitmap( hMaskDC.get(), aPosAry, rSalBitmap, false, SRCERASE );
+        // now MaskDC contains the bitmap area with black background
+        BitBlt( hMemDC.get(), 0, 0, nDstWidth, nDstHeight, hMaskDC.get(), 0, 0, SRCPAINT );
+        // now MemDC contains background and bitmap merged together
+    }
+    // copy to output DC
+    BitBlt( hDC, nDstX, nDstY, nDstWidth, nDstHeight, hMemDC.get(), 0, 0, SRCCOPY );
+}
+
+bool WinSalGraphicsImpl::drawAlphaRect( tools::Long nX, tools::Long nY, tools::Long nWidth,
+                                    tools::Long nHeight, sal_uInt8 nTransparency )
+{
+    if( mbPen || !mbBrush || mbXORMode )
+        return false; // can only perform solid fills without XOR.
+
+    ScopedCachedHDC<CACHED_HDC_1> hMemDC(nullptr);
+    SetPixel( hMemDC.get(), int(0), int(0), mnBrushColor );
+
+    BLENDFUNCTION aFunc = {
+        AC_SRC_OVER,
+        0,
+        sal::static_int_cast<sal_uInt8>(255 - 255L*nTransparency/100),
+        0
+    };
+
+    // hMemDC contains a 1x1 bitmap of the right color - stretch-blit
+    // that to dest hdc
+    bool bRet = GdiAlphaBlend(mrParent.getHDC(), nX, nY, nWidth, nHeight,
+                              hMemDC.get(), 0,0,1,1,
+                              aFunc ) == TRUE;
+
+    return bRet;
+}
+
+void WinSalGraphicsImpl::drawMask(const SalTwoRect& rPosAry,
+                                  const SalBitmap& rSSalBitmap,
+                                  Color nMaskColor)
+{
+    SAL_WARN_IF( mrParent.isPrinter(), "vcl", "No transparency print possible!" );
+
+    assert(dynamic_cast<const WinSalBitmap*>(&rSSalBitmap));
+
+    const WinSalBitmap& rSalBitmap = static_cast<const WinSalBitmap&>(rSSalBitmap);
+
+    SalTwoRect  aPosAry = rPosAry;
+    const HDC hDC = mrParent.getHDC();
+
+    ScopedSelectedHBRUSH hBrush(hDC, CreateSolidBrush(RGB(nMaskColor.GetRed(),
+                                                          nMaskColor.GetGreen(),
+                                                          nMaskColor.GetBlue())));
+
+    // WIN/WNT seems to have a minor problem mapping the correct color of the
+    // mask to the palette if we draw the DIB directly ==> draw DDB
+    if( ( GetBitCount() <= 8 ) && rSalBitmap.ImplGethDIB() && rSalBitmap.GetBitCount() == 1 )
+    {
+        WinSalBitmap aTmp;
+
+        if( aTmp.Create( rSalBitmap, &mrParent ) )
+            ImplDrawBitmap( hDC, aPosAry, aTmp, false, 0x00B8074AUL );
+    }
+    else
+        ImplDrawBitmap( hDC, aPosAry, rSalBitmap, false, 0x00B8074AUL );
+}
+
+std::shared_ptr<SalBitmap> WinSalGraphicsImpl::getBitmap( tools::Long nX, tools::Long nY, tools::Long nDX, tools::Long nDY )
+{
+    SAL_WARN_IF( mrParent.isPrinter(), "vcl", "No ::GetBitmap() from printer possible!" );
+
+    std::shared_ptr<WinSalBitmap> pSalBitmap;
+
+    nDX = std::abs( nDX );
+    nDY = std::abs( nDY );
+
+    HDC     hDC = mrParent.getHDC();
+    HBITMAP hBmpBitmap = CreateCompatibleBitmap( hDC, nDX, nDY );
+    bool    bRet;
+
+    {
+        ScopedCachedHDC<CACHED_HDC_1> hBmpDC(hBmpBitmap);
+
+        bRet = BitBlt(hBmpDC.get(), 0, 0,
+                      static_cast<int>(nDX), static_cast<int>(nDY), hDC,
+                      static_cast<int>(nX), static_cast<int>(nY), SRCCOPY) ? TRUE : FALSE;
+    }
+
+    if( bRet )
+    {
+        pSalBitmap = std::make_shared<WinSalBitmap>();
+
+        if( !pSalBitmap->Create( hBmpBitmap ) )
+        {
+            pSalBitmap.reset();
+        }
+    }
+    else
+    {
+        // #124826# avoid resource leak! Happens when running without desktop access (remote desktop, service, may be screensavers)
+        DeleteBitmap( hBmpBitmap );
+    }
+
+    return pSalBitmap;
+}
+
+Color WinSalGraphicsImpl::getPixel( tools::Long nX, tools::Long nY )
+{
+    COLORREF aWinCol = ::GetPixel( mrParent.getHDC(), static_cast<int>(nX), static_cast<int>(nY) );
+
+    if ( CLR_INVALID == aWinCol )
+        return Color( 0, 0, 0 );
+    else
+        return Color( GetRValue( aWinCol ),
+                              GetGValue( aWinCol ),
+                              GetBValue( aWinCol ) );
+}
+
+namespace
+{
+
+HBRUSH Get50PercentBrush()
+{
+    SalData* pSalData = GetSalData();
+    if ( !pSalData->mh50Brush )
+    {
+        if ( !pSalData->mh50Bmp )
+            pSalData->mh50Bmp = ImplLoadSalBitmap( SAL_RESID_BITMAP_50 );
+        pSalData->mh50Brush = CreatePatternBrush( pSalData->mh50Bmp );
+    }
+
+    return pSalData->mh50Brush;
+}
+
+} // namespace
+
+void WinSalGraphicsImpl::invert( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, SalInvert nFlags )
+{
+    if ( nFlags & SalInvert::TrackFrame )
+    {
+        HPEN    hDotPen = CreatePen( PS_DOT, 0, 0 );
+        HPEN    hOldPen = SelectPen( mrParent.getHDC(), hDotPen );
+        HBRUSH  hOldBrush = SelectBrush( mrParent.getHDC(), GetStockBrush( NULL_BRUSH ) );
+        int     nOldROP = SetROP2( mrParent.getHDC(), R2_NOT );
+
+        Rectangle( mrParent.getHDC(), static_cast<int>(nX), static_cast<int>(nY), static_cast<int>(nX+nWidth), static_cast<int>(nY+nHeight) );
+
+        SetROP2( mrParent.getHDC(), nOldROP );
+        SelectPen( mrParent.getHDC(), hOldPen );
+        SelectBrush( mrParent.getHDC(), hOldBrush );
+        DeletePen( hDotPen );
+    }
+    else if ( nFlags & SalInvert::N50 )
+    {
+        COLORREF nOldTextColor = ::SetTextColor( mrParent.getHDC(), 0 );
+        HBRUSH hOldBrush = SelectBrush( mrParent.getHDC(), Get50PercentBrush() );
+        PatBlt( mrParent.getHDC(), nX, nY, nWidth, nHeight, PATINVERT );
+        ::SetTextColor( mrParent.getHDC(), nOldTextColor );
+        SelectBrush( mrParent.getHDC(), hOldBrush );
+    }
+    else
+    {
+         RECT aRect;
+         aRect.left      = static_cast<int>(nX);
+         aRect.top       = static_cast<int>(nY);
+         aRect.right     = static_cast<int>(nX)+nWidth;
+         aRect.bottom    = static_cast<int>(nY)+nHeight;
+         ::InvertRect( mrParent.getHDC(), &aRect );
+    }
+}
+
+void WinSalGraphicsImpl::invert( sal_uInt32 nPoints, const Point* pPtAry, SalInvert nSalFlags )
+{
+    HPEN        hPen;
+    HPEN        hOldPen;
+    HBRUSH      hBrush;
+    HBRUSH      hOldBrush = nullptr;
+    COLORREF    nOldTextColor RGB(0,0,0);
+    int         nOldROP = SetROP2( mrParent.getHDC(), R2_NOT );
+
+    if ( nSalFlags & SalInvert::TrackFrame )
+        hPen = CreatePen( PS_DOT, 0, 0 );
+    else
+    {
+
+        if ( nSalFlags & SalInvert::N50 )
+            hBrush = Get50PercentBrush();
+        else
+            hBrush = GetStockBrush( BLACK_BRUSH );
+
+        hPen = GetStockPen( NULL_PEN );
+        nOldTextColor = ::SetTextColor( mrParent.getHDC(), 0 );
+        hOldBrush = SelectBrush( mrParent.getHDC(), hBrush );
+    }
+    hOldPen = SelectPen( mrParent.getHDC(), hPen );
+
+    std::unique_ptr<POINT[]> pWinPtAry(new POINT[nPoints]);
+    for (sal_uInt32 i=0; i<nPoints; ++i)
+        pWinPtAry[i] = POINT { static_cast<LONG>(pPtAry[i].getX()), static_cast<LONG>(pPtAry[i].getY()) };
+
+    // for Windows 95 and its maximum number of points
+    if ( nSalFlags & SalInvert::TrackFrame )
+    {
+        if ( !Polyline( mrParent.getHDC(), pWinPtAry.get(), static_cast<int>(nPoints) ) && (nPoints > MAX_64KSALPOINTS) )
+            Polyline( mrParent.getHDC(), pWinPtAry.get(), MAX_64KSALPOINTS );
+    }
+    else
+    {
+        if ( !Polygon( mrParent.getHDC(), pWinPtAry.get(), static_cast<int>(nPoints) ) && (nPoints > MAX_64KSALPOINTS) )
+            Polygon( mrParent.getHDC(), pWinPtAry.get(), MAX_64KSALPOINTS );
+    }
+
+    SetROP2( mrParent.getHDC(), nOldROP );
+    SelectPen( mrParent.getHDC(), hOldPen );
+
+    if ( nSalFlags & SalInvert::TrackFrame )
+        DeletePen( hPen );
+    else
+    {
+        ::SetTextColor( mrParent.getHDC(), nOldTextColor );
+        SelectBrush( mrParent.getHDC(), hOldBrush );
+    }
+}
+
+sal_uInt16 WinSalGraphicsImpl::GetBitCount() const
+{
+    return static_cast<sal_uInt16>(GetDeviceCaps( mrParent.getHDC(), BITSPIXEL ));
+}
+
+tools::Long WinSalGraphicsImpl::GetGraphicsWidth() const
+{
+    if( mrParent.gethWnd() && IsWindow( mrParent.gethWnd() ) )
+    {
+        WinSalFrame* pFrame = GetWindowPtr( mrParent.gethWnd() );
+        if( pFrame )
+        {
+            if( pFrame->maGeometry.nWidth )
+                return pFrame->maGeometry.nWidth;
+            else
+            {
+                // TODO: perhaps not needed, maGeometry should always be up-to-date
+                RECT aRect;
+                GetClientRect( mrParent.gethWnd(), &aRect );
+                return aRect.right;
+            }
+        }
+    }
+
+    return 0;
+}
+
+void WinSalGraphicsImpl::ResetClipRegion()
+{
+    if ( mrParent.mhRegion )
+    {
+        DeleteRegion( mrParent.mhRegion );
+        mrParent.mhRegion = nullptr;
+    }
+
+    SelectClipRgn( mrParent.getHDC(), nullptr );
+}
+
+static bool containsOnlyHorizontalAndVerticalEdges(const basegfx::B2DPolygon& rCandidate)
+{
+    if(rCandidate.areControlPointsUsed())
+    {
+        return false;
+    }
+
+    const sal_uInt32 nPointCount(rCandidate.count());
+
+    if(nPointCount < 2)
+    {
+        return true;
+    }
+
+    const sal_uInt32 nEdgeCount(rCandidate.isClosed() ? nPointCount + 1 : nPointCount);
+    basegfx::B2DPoint aLast(rCandidate.getB2DPoint(0));
+
+    for(sal_uInt32 a(1); a < nEdgeCount; a++)
+    {
+        const sal_uInt32 nNextIndex(a % nPointCount);
+        const basegfx::B2DPoint aCurrent(rCandidate.getB2DPoint(nNextIndex));
+
+        if(!basegfx::fTools::equal(aLast.getX(), aCurrent.getX()) && !basegfx::fTools::equal(aLast.getY(), aCurrent.getY()))
+        {
+            return false;
+        }
+
+        aLast = aCurrent;
+    }
+
+    return true;
+}
+
+static bool containsOnlyHorizontalAndVerticalEdges(const basegfx::B2DPolyPolygon& rCandidate)
+{
+    if(rCandidate.areControlPointsUsed())
+    {
+        return false;
+    }
+
+    for(auto const& rPolygon : rCandidate)
+    {
+        if(!containsOnlyHorizontalAndVerticalEdges(rPolygon))
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool WinSalGraphicsImpl::setClipRegion( const vcl::Region& i_rClip )
+{
+    if ( mrParent.mhRegion )
+    {
+        DeleteRegion( mrParent.mhRegion );
+        mrParent.mhRegion = nullptr;
+    }
+
+    bool bUsePolygon(i_rClip.HasPolyPolygonOrB2DPolyPolygon());
+    static bool bTryToAvoidPolygon(true);
+
+    // #i122149# try to avoid usage of tools::PolyPolygon ClipRegions when tools::PolyPolygon is no curve
+    // and only contains horizontal/vertical edges. In that case, use the fallback
+    // in GetRegionRectangles which will use vcl::Region::GetAsRegionBand() which will do
+    // the correct polygon-to-RegionBand transformation.
+    // Background is that when using the same Rectangle as rectangle or as Polygon
+    // clip region will lead to different results; the polygon-based one will be
+    // one pixel less to the right and down (see GDI docu for CreatePolygonRgn). This
+    // again is because of the polygon-nature and it's classic handling when filling.
+    // This also means that all cases which use a 'true' polygon-based incarnation of
+    // a vcl::Region should know what they do - it may lead to repaint errors.
+    if(bUsePolygon && bTryToAvoidPolygon)
+    {
+        const basegfx::B2DPolyPolygon aPolyPolygon( i_rClip.GetAsB2DPolyPolygon() );
+
+        if(!aPolyPolygon.areControlPointsUsed())
+        {
+            if(containsOnlyHorizontalAndVerticalEdges(aPolyPolygon))
+            {
+                bUsePolygon = false;
+            }
+        }
+    }
+
+    if(bUsePolygon)
+    {
+        // #i122149# check the comment above to know that this may lead to potential repaint
+        // problems. It may be solved (if needed) by scaling the polygon by one in X
+        // and Y. Currently the workaround to only use it if really unavoidable will
+        // solve most cases. When someone is really using polygon-based Regions he
+        // should know what he is doing.
+        // Added code to do that scaling to check if it works, testing it.
+        const basegfx::B2DPolyPolygon aPolyPolygon( i_rClip.GetAsB2DPolyPolygon() );
+        const sal_uInt32 nCount(aPolyPolygon.count());
+
+        if( nCount )
+        {
+            std::vector< POINT > aPolyPoints;
+            aPolyPoints.reserve( 1024 );
+            std::vector< INT > aPolyCounts( nCount, 0 );
+            basegfx::B2DHomMatrix aExpand;
+            sal_uInt32 nTargetCount(0);
+            static bool bExpandByOneInXandY(true);
+
+            if(bExpandByOneInXandY)
+            {
+                const basegfx::B2DRange aRangeS(aPolyPolygon.getB2DRange());
+                const basegfx::B2DRange aRangeT(aRangeS.getMinimum(), aRangeS.getMaximum() + basegfx::B2DTuple(1.0, 1.0));
+                aExpand = basegfx::utils::createSourceRangeTargetRangeTransform(aRangeS, aRangeT);
+            }
+
+            for(auto const& rPolygon : aPolyPolygon)
+            {
+                const basegfx::B2DPolygon aPoly(
+                    basegfx::utils::adaptiveSubdivideByDistance(
+                        rPolygon,
+                        1));
+                const sal_uInt32 nPoints(aPoly.count());
+
+                // tdf#40863 For CustomShapes there is a hack (see
+                // f64ef72743e55389e446e0d4bc6febd475011023) that adds polygons
+                // with a single point in top-left and bottom-right corner
+                // of the BoundRect to be able to determine the correct BoundRect
+                // in the slideshow. Unfortunately, CreatePolyPolygonRgn below
+                // fails with polygons containing a single pixel, so clipping is
+                // lost. For now, use only polygons with more than two points - the
+                // ones that may have an area.
+                // Note: polygons with one point which are curves may have an area,
+                // but the polygon is already subdivided here, so no need to test
+                // this.
+                if(nPoints > 2)
+                {
+                    aPolyCounts[nTargetCount] = nPoints;
+                    nTargetCount++;
+
+                    for( sal_uInt32 b = 0; b < nPoints; b++ )
+                    {
+                        basegfx::B2DPoint aPt(aPoly.getB2DPoint(b));
+
+                        if(bExpandByOneInXandY)
+                        {
+                            aPt = aExpand * aPt;
+                        }
+
+                        POINT aPOINT;
+                        // #i122149# do correct rounding
+                        aPOINT.x = basegfx::fround(aPt.getX());
+                        aPOINT.y = basegfx::fround(aPt.getY());
+                        aPolyPoints.push_back( aPOINT );
+                    }
+                }
+            }
+
+            if(nTargetCount)
+            {
+                mrParent.mhRegion = CreatePolyPolygonRgn( aPolyPoints.data(), aPolyCounts.data(), nTargetCount, ALTERNATE );
+            }
+        }
+    }
+    else
+    {
+        RectangleVector aRectangles;
+        i_rClip.GetRegionRectangles(aRectangles);
+
+        sal_uLong nRectBufSize = sizeof(RECT)*aRectangles.size();
+        if ( aRectangles.size() < SAL_CLIPRECT_COUNT )
+        {
+            if ( !mrParent.mpStdClipRgnData )
+                mrParent.mpStdClipRgnData = reinterpret_cast<RGNDATA*>(new BYTE[sizeof(RGNDATA)-1+(SAL_CLIPRECT_COUNT*sizeof(RECT))]);
+            mrParent.mpClipRgnData = mrParent.mpStdClipRgnData;
+        }
+        else
+            mrParent.mpClipRgnData = reinterpret_cast<RGNDATA*>(new BYTE[sizeof(RGNDATA)-1+nRectBufSize]);
+        mrParent.mpClipRgnData->rdh.dwSize   = sizeof( RGNDATAHEADER );
+        mrParent.mpClipRgnData->rdh.iType    = RDH_RECTANGLES;
+        mrParent.mpClipRgnData->rdh.nCount   = aRectangles.size();
+        mrParent.mpClipRgnData->rdh.nRgnSize = nRectBufSize;
+        RECT*       pBoundRect = &(mrParent.mpClipRgnData->rdh.rcBound);
+        SetRectEmpty( pBoundRect );
+        RECT* pNextClipRect         = reinterpret_cast<RECT*>(&(mrParent.mpClipRgnData->Buffer));
+        bool bFirstClipRect         = true;
+
+        for (auto const& rectangle : aRectangles)
+        {
+            const tools::Long nW(rectangle.GetWidth());
+            const tools::Long nH(rectangle.GetHeight());
+
+            if(nW && nH)
+            {
+                const tools::Long nRight(rectangle.Left() + nW);
+                const tools::Long nBottom(rectangle.Top() + nH);
+
+                if(bFirstClipRect)
+                {
+                    pBoundRect->left = rectangle.Left();
+                    pBoundRect->top = rectangle.Top();
+                    pBoundRect->right = nRight;
+                    pBoundRect->bottom = nBottom;
+                    bFirstClipRect = false;
+                }
+                else
+                {
+                    if(rectangle.Left() < pBoundRect->left)
+                    {
+                        pBoundRect->left = static_cast<int>(rectangle.Left());
+                    }
+
+                    if(rectangle.Top() < pBoundRect->top)
+                    {
+                        pBoundRect->top = static_cast<int>(rectangle.Top());
+                    }
+
+                    if(nRight > pBoundRect->right)
+                    {
+                        pBoundRect->right = static_cast<int>(nRight);
+                    }
+
+                    if(nBottom > pBoundRect->bottom)
+                    {
+                        pBoundRect->bottom = static_cast<int>(nBottom);
+                    }
+                }
+
+                pNextClipRect->left = static_cast<int>(rectangle.Left());
+                pNextClipRect->top = static_cast<int>(rectangle.Top());
+                pNextClipRect->right = static_cast<int>(nRight);
+                pNextClipRect->bottom = static_cast<int>(nBottom);
+                pNextClipRect++;
+            }
+            else
+            {
+                mrParent.mpClipRgnData->rdh.nCount--;
+                mrParent.mpClipRgnData->rdh.nRgnSize -= sizeof( RECT );
+            }
+        }
+
+        // create clip region from ClipRgnData
+        if(0 == mrParent.mpClipRgnData->rdh.nCount)
+        {
+            // #i123585# region is empty; this may happen when e.g. a tools::PolyPolygon is given
+            // that contains no polygons or only empty ones (no width/height). This is
+            // perfectly fine and we are done, except setting it (see end of method)
+        }
+        else if(1 == mrParent.mpClipRgnData->rdh.nCount)
+        {
+            RECT* pRect = &(mrParent.mpClipRgnData->rdh.rcBound);
+            mrParent.mhRegion = CreateRectRgn( pRect->left, pRect->top,
+                                                     pRect->right, pRect->bottom );
+        }
+        else if(mrParent.mpClipRgnData->rdh.nCount > 1)
+        {
+            sal_uLong nSize = mrParent.mpClipRgnData->rdh.nRgnSize+sizeof(RGNDATAHEADER);
+            mrParent.mhRegion = ExtCreateRegion( nullptr, nSize, mrParent.mpClipRgnData );
+
+            // if ExtCreateRegion(...) is not supported
+            if( !mrParent.mhRegion )
+            {
+                RGNDATAHEADER const & pHeader = mrParent.mpClipRgnData->rdh;
+
+                if( pHeader.nCount )
+                {
+                    RECT* pRect = reinterpret_cast<RECT*>(mrParent.mpClipRgnData->Buffer);
+                    mrParent.mhRegion = CreateRectRgn( pRect->left, pRect->top, pRect->right, pRect->bottom );
+                    pRect++;
+
+                    for( sal_uLong n = 1; n < pHeader.nCount; n++, pRect++ )
+                    {
+                        ScopedHRGN hRgn(CreateRectRgn(pRect->left, pRect->top, pRect->right, pRect->bottom));
+                        CombineRgn( mrParent.mhRegion, mrParent.mhRegion, hRgn.get(), RGN_OR );
+                    }
+                }
+            }
+
+            if ( mrParent.mpClipRgnData != mrParent.mpStdClipRgnData )
+                delete [] reinterpret_cast<BYTE*>(mrParent.mpClipRgnData);
+        }
+    }
+
+    if( mrParent.mhRegion )
+    {
+        SelectClipRgn( mrParent.getHDC(), mrParent.mhRegion );
+
+        // debug code if you want to check range of the newly applied ClipRegion
+        //RECT aBound;
+        //const int aRegionType = GetRgnBox(mrParent.mhRegion, &aBound);
+
+        //bool bBla = true;
+    }
+    else
+    {
+        // #i123585# See above, this is a valid case, execute it
+        SelectClipRgn( mrParent.getHDC(), nullptr );
+    }
+
+    // #i123585# retval no longer dependent of mrParent.mhRegion, see TaskId comments above
+    return true;
+}
+
+void WinSalGraphicsImpl::SetLineColor()
+{
+    ResetPen(GetStockPen(NULL_PEN));
+
+    // set new data
+    mbPen       = false;
+    mbStockPen  = true;
+}
+
+void WinSalGraphicsImpl::SetLineColor(Color nColor)
+{
+    COLORREF nPenColor = PALETTERGB(nColor.GetRed(),
+                                    nColor.GetGreen(),
+                                    nColor.GetBlue());
+    bool bStockPen = false;
+
+    HPEN hNewPen = SearchStockPen(nPenColor);
+    if (hNewPen)
+        bStockPen = true;
+    else
+        hNewPen = MakePen(nColor);
+
+    ResetPen(hNewPen);
+
+    // set new data
+    mnPenColor  = nPenColor;
+    maLineColor = nColor;
+    mbPen       = true;
+    mbStockPen  = bStockPen;
+}
+
+HPEN WinSalGraphicsImpl::SearchStockPen(COLORREF nPenColor)
+{
+    // Only screen, because printer has problems, when we use stock objects.
+    if (!mrParent.isPrinter())
+    {
+        const SalData* pSalData = GetSalData();
+
+        for (sal_uInt16 i = 0; i < pSalData->mnStockPenCount; i++)
+        {
+            if (nPenColor == pSalData->maStockPenColorAry[i])
+                return pSalData->mhStockPenAry[i];
+        }
+    }
+
+    return nullptr;
+}
+
+HPEN WinSalGraphicsImpl::MakePen(Color nColor)
+{
+    COLORREF nPenColor = PALETTERGB(nColor.GetRed(),
+                                    nColor.GetGreen(),
+                                    nColor.GetBlue());
+
+    if (!mrParent.isPrinter())
+    {
+        if (GetSalData()->mhDitherPal && ImplIsSysColorEntry(nColor))
+        {
+            nPenColor = PALRGB_TO_RGB(nPenColor);
+        }
+    }
+
+    return CreatePen(PS_SOLID, mrParent.mnPenWidth, nPenColor);
+}
+
+void WinSalGraphicsImpl::ResetPen(HPEN hNewPen)
+{
+    HPEN hOldPen = SelectPen(mrParent.getHDC(), hNewPen);
+
+    if (mhPen)
+    {
+        if (!mbStockPen)
+        {
+            DeletePen(mhPen);
+        }
+    }
+    else
+    {
+        mrParent.mhDefPen = hOldPen;
+    }
+
+    mhPen = hNewPen;
+}
+
+void WinSalGraphicsImpl::SetFillColor()
+{
+    ResetBrush(GetStockBrush(NULL_BRUSH));
+
+    // set new data
+    mbBrush     = false;
+    mbStockBrush = true;
+}
+
+void WinSalGraphicsImpl::SetFillColor(Color nColor)
+{
+    COLORREF nBrushColor = PALETTERGB(nColor.GetRed(),
+                                      nColor.GetGreen(),
+                                      nColor.GetBlue());
+    bool bStockBrush = false;
+
+    HBRUSH hNewBrush = SearchStockBrush(nBrushColor);
+    if (hNewBrush)
+        bStockBrush = true;
+    else
+        hNewBrush = MakeBrush(nColor);
+
+    ResetBrush(hNewBrush);
+
+    // set new data
+    mnBrushColor = nBrushColor;
+    maFillColor = nColor;
+    mbBrush     = true;
+    mbStockBrush = bStockBrush;
+}
+
+HBRUSH WinSalGraphicsImpl::SearchStockBrush(COLORREF nBrushColor)
+{
+    // Only screen, because printer has problems, when we use stock objects.
+    if (!mrParent.isPrinter())
+    {
+        const SalData* pSalData = GetSalData();
+
+        for (sal_uInt16 i = 0; i < pSalData->mnStockBrushCount; i++)
+        {
+            if (nBrushColor == pSalData->maStockBrushColorAry[i])
+                return pSalData->mhStockBrushAry[i];
+        }
+    }
+
+    return nullptr;
+}
+
+namespace
+{
+
+BYTE GetDitherMappingValue(BYTE nVal, BYTE nThres, const SalData* pSalData)
+{
+    return (pSalData->mpDitherDiff[nVal] > nThres) ?
+        pSalData->mpDitherHigh[nVal] : pSalData->mpDitherLow[nVal];
+}
+
+HBRUSH Make16BitDIBPatternBrush(Color nColor)
+{
+    const SalData* pSalData = GetSalData();
+
+    const BYTE nRed   = nColor.GetRed();
+    const BYTE nGreen = nColor.GetGreen();
+    const BYTE nBlue  = nColor.GetBlue();
+
+    static const BYTE aOrdDither16Bit[8][8] =
+    {
+       { 0, 6, 1, 7, 0, 6, 1, 7 },
+       { 4, 2, 5, 3, 4, 2, 5, 3 },
+       { 1, 7, 0, 6, 1, 7, 0, 6 },
+       { 5, 3, 4, 2, 5, 3, 4, 2 },
+       { 0, 6, 1, 7, 0, 6, 1, 7 },
+       { 4, 2, 5, 3, 4, 2, 5, 3 },
+       { 1, 7, 0, 6, 1, 7, 0, 6 },
+       { 5, 3, 4, 2, 5, 3, 4, 2 }
+    };
+
+    BYTE* pTmp = pSalData->mpDitherDIBData;
+
+    for(int nY = 0; nY < 8; ++nY)
+    {
+        for(int nX = 0; nX < 8; ++nX)
+        {
+            const BYTE nThres = aOrdDither16Bit[nY][nX];
+            *pTmp++ = GetDitherMappingValue(nBlue, nThres, pSalData);
+            *pTmp++ = GetDitherMappingValue(nGreen, nThres, pSalData);
+            *pTmp++ = GetDitherMappingValue(nRed, nThres, pSalData);
+        }
+    }
+
+    return CreateDIBPatternBrush(pSalData->mhDitherDIB, DIB_RGB_COLORS);
+}
+
+HBRUSH Make8BitDIBPatternBrush(Color nColor)
+{
+    const SalData* pSalData = GetSalData();
+
+    const BYTE nRed   = nColor.GetRed();
+    const BYTE nGreen = nColor.GetGreen();
+    const BYTE nBlue  = nColor.GetBlue();
+
+    static const BYTE aOrdDither8Bit[8][8] =
+    {
+       {  0, 38,  9, 48,  2, 40, 12, 50 },
+       { 25, 12, 35, 22, 28, 15, 37, 24 },
+       {  6, 44,  3, 41,  8, 47,  5, 44 },
+       { 32, 19, 28, 16, 34, 21, 31, 18 },
+       {  1, 40, 11, 49,  0, 39, 10, 48 },
+       { 27, 14, 36, 24, 26, 13, 36, 23 },
+       {  8, 46,  4, 43,  7, 45,  4, 42 },
+       { 33, 20, 30, 17, 32, 20, 29, 16 }
+    };
+
+    BYTE* pTmp = pSalData->mpDitherDIBData;
+
+    for (int nY = 0; nY < 8; ++nY)
+    {
+        for (int nX = 0; nX < 8; ++nX)
+        {
+            const BYTE nThres = aOrdDither8Bit[nY][nX];
+            *pTmp = GetDitherMappingValue(nRed, nThres, pSalData) +
+                    GetDitherMappingValue(nGreen, nThres, pSalData) * 6 +
+                    GetDitherMappingValue(nBlue, nThres, pSalData) * 36;
+            pTmp++;
+        }
+    }
+
+    return CreateDIBPatternBrush(pSalData->mhDitherDIB, DIB_PAL_COLORS);
+}
+
+} // namespace
+
+HBRUSH WinSalGraphicsImpl::MakeBrush(Color nColor)
+{
+    const SalData* pSalData = GetSalData();
+
+    const BYTE        nRed        = nColor.GetRed();
+    const BYTE        nGreen      = nColor.GetGreen();
+    const BYTE        nBlue       = nColor.GetBlue();
+    const COLORREF    nBrushColor = PALETTERGB(nRed, nGreen, nBlue);
+
+    if (mrParent.isPrinter() || !pSalData->mhDitherDIB)
+        return CreateSolidBrush(nBrushColor);
+
+    if (24 == reinterpret_cast<BITMAPINFOHEADER*>(pSalData->mpDitherDIB)->biBitCount)
+        return Make16BitDIBPatternBrush(nColor);
+
+    if (ImplIsSysColorEntry(nColor))
+        return CreateSolidBrush(PALRGB_TO_RGB(nBrushColor));
+
+    if (ImplIsPaletteEntry(nRed, nGreen, nBlue))
+        return CreateSolidBrush(nBrushColor);
+
+    return Make8BitDIBPatternBrush(nColor);
+}
+
+void WinSalGraphicsImpl::ResetBrush(HBRUSH hNewBrush)
+{
+    HBRUSH hOldBrush = SelectBrush(mrParent.getHDC(), hNewBrush);
+
+    if (mhBrush)
+    {
+        if (!mbStockBrush)
+        {
+            DeleteBrush(mhBrush);
+        }
+    }
+    else
+    {
+        mrParent.mhDefBrush = hOldBrush;
+    }
+
+    mhBrush = hNewBrush;
+}
+
+void WinSalGraphicsImpl::SetXORMode( bool bSet, bool )
+{
+    mbXORMode = bSet;
+    ::SetROP2( mrParent.getHDC(), bSet ? R2_XORPEN : R2_COPYPEN );
+}
+
+void WinSalGraphicsImpl::SetROPLineColor( SalROPColor nROPColor )
+{
+    SetLineColor( ImplGetROPColor( nROPColor ) );
+}
+
+void WinSalGraphicsImpl::SetROPFillColor( SalROPColor nROPColor )
+{
+    SetFillColor( ImplGetROPColor( nROPColor ) );
+}
+
+void WinSalGraphicsImpl::DrawPixelImpl( tools::Long nX, tools::Long nY, COLORREF crColor )
+{
+    const HDC hDC = mrParent.getHDC();
+
+    if (!mbXORMode)
+    {
+        SetPixel(hDC, static_cast<int>(nX), static_cast<int>(nY), crColor);
+        return;
+    }
+
+    ScopedSelectedHBRUSH hBrush(hDC, CreateSolidBrush(crColor));
+    PatBlt(hDC, static_cast<int>(nX), static_cast<int>(nY), int(1), int(1), PATINVERT);
+}
+
+void WinSalGraphicsImpl::drawPixel( tools::Long nX, tools::Long nY )
+{
+    DrawPixelImpl( nX, nY, mnPenColor );
+}
+
+void WinSalGraphicsImpl::drawPixel( tools::Long nX, tools::Long nY, Color nColor )
+{
+    COLORREF nCol = PALETTERGB( nColor.GetRed(),
+                                nColor.GetGreen(),
+                                nColor.GetBlue() );
+
+    if ( !mrParent.isPrinter() &&
+         GetSalData()->mhDitherPal &&
+         ImplIsSysColorEntry( nColor ) )
+        nCol = PALRGB_TO_RGB( nCol );
+
+    DrawPixelImpl( nX, nY, nCol );
+}
+
+void WinSalGraphicsImpl::drawLine( tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2 )
+{
+    MoveToEx( mrParent.getHDC(), static_cast<int>(nX1), static_cast<int>(nY1), nullptr );
+
+    LineTo( mrParent.getHDC(), static_cast<int>(nX2), static_cast<int>(nY2) );
+
+    // LineTo doesn't draw the last pixel
+    if ( !mrParent.isPrinter() )
+        DrawPixelImpl( nX2, nY2, mnPenColor );
+}
+
+void WinSalGraphicsImpl::drawRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight )
+{
+    if ( !mbPen )
+    {
+        if ( !mrParent.isPrinter() )
+        {
+            PatBlt( mrParent.getHDC(), static_cast<int>(nX), static_cast<int>(nY), static_cast<int>(nWidth), static_cast<int>(nHeight),
+                    mbXORMode ? PATINVERT : PATCOPY );
+        }
+        else
+        {
+            RECT aWinRect;
+            aWinRect.left   = nX;
+            aWinRect.top    = nY;
+            aWinRect.right  = nX+nWidth;
+            aWinRect.bottom = nY+nHeight;
+            ::FillRect( mrParent.getHDC(), &aWinRect, mhBrush );
+        }
+    }
+    else
+        Rectangle( mrParent.getHDC(), static_cast<int>(nX), static_cast<int>(nY), static_cast<int>(nX+nWidth), static_cast<int>(nY+nHeight) );
+}
+
+void WinSalGraphicsImpl::drawPolyLine( sal_uInt32 nPoints, const Point* pPtAry )
+{
+    std::unique_ptr<POINT[]> pWinPtAry(new POINT[nPoints]);
+    for (sal_uInt32 i=0; i<nPoints; ++i)
+        pWinPtAry[i] = POINT { static_cast<LONG>(pPtAry[i].getX()), static_cast<LONG>(pPtAry[i].getY()) };
+
+    // for Windows 95 and its maximum number of points
+    if ( !Polyline( mrParent.getHDC(), pWinPtAry.get(), static_cast<int>(nPoints) ) && (nPoints > MAX_64KSALPOINTS) )
+        Polyline( mrParent.getHDC(), pWinPtAry.get(), MAX_64KSALPOINTS );
+
+    // Polyline seems to uses LineTo, which doesn't paint the last pixel (see 87eb8f8ee)
+    if ( !mrParent.isPrinter() )
+        DrawPixelImpl( pWinPtAry[nPoints-1].x, pWinPtAry[nPoints-1].y, mnPenColor );
+}
+
+void WinSalGraphicsImpl::drawPolygon( sal_uInt32 nPoints, const Point* pPtAry )
+{
+    std::unique_ptr<POINT[]> pWinPtAry(new POINT[nPoints]);
+    for (sal_uInt32 i=0; i<nPoints; ++i)
+        pWinPtAry[i] = POINT { static_cast<LONG>(pPtAry[i].getX()), static_cast<LONG>(pPtAry[i].getY()) };
+
+    // for Windows 95 and its maximum number of points
+    if ( !Polygon( mrParent.getHDC(), pWinPtAry.get(), static_cast<int>(nPoints) ) && (nPoints > MAX_64KSALPOINTS) )
+        Polygon( mrParent.getHDC(), pWinPtAry.get(), MAX_64KSALPOINTS );
+}
+
+void WinSalGraphicsImpl::drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints,
+                                   const Point** pPtAry )
+{
+    UINT    aWinPointAry[SAL_POLYPOLYCOUNT_STACKBUF];
+    UINT*   pWinPointAry;
+    UINT    nPolyPolyPoints = 0;
+    UINT    nPoints;
+    UINT    i;
+
+    if ( nPoly <= SAL_POLYPOLYCOUNT_STACKBUF )
+        pWinPointAry = aWinPointAry;
+    else
+        pWinPointAry = new UINT[nPoly];
+
+    for ( i = 0; i < static_cast<UINT>(nPoly); i++ )
+    {
+        nPoints = static_cast<UINT>(pPoints[i])+1;
+        pWinPointAry[i] = nPoints;
+        nPolyPolyPoints += nPoints;
+    }
+
+    POINT  aWinPointAryAry[SAL_POLYPOLYPOINTS_STACKBUF];
+    POINT* pWinPointAryAry;
+    if ( nPolyPolyPoints <= SAL_POLYPOLYPOINTS_STACKBUF )
+        pWinPointAryAry = aWinPointAryAry;
+    else
+        pWinPointAryAry = new POINT[nPolyPolyPoints];
+    UINT            n = 0;
+    for ( i = 0; i < static_cast<UINT>(nPoly); i++ )
+    {
+        nPoints = pWinPointAry[i];
+        const Point* pPolyAry = pPtAry[i];
+        for (sal_uInt32 j=0; j<nPoints-1; ++j)
+            pWinPointAryAry[n+j] = POINT { static_cast<LONG>(pPolyAry[j].getX()), static_cast<LONG>(pPolyAry[j].getY()) };
+        pWinPointAryAry[n+nPoints-1] = pWinPointAryAry[n];
+        n += nPoints;
+    }
+
+    if ( !PolyPolygon( mrParent.getHDC(), pWinPointAryAry, reinterpret_cast<int*>(pWinPointAry), static_cast<UINT>(nPoly) ) &&
+         (nPolyPolyPoints > MAX_64KSALPOINTS) )
+    {
+        nPolyPolyPoints  = 0;
+        nPoly = 0;
+        do
+        {
+            nPolyPolyPoints += pWinPointAry[static_cast<UINT>(nPoly)];
+            nPoly++;
+        }
+        while ( nPolyPolyPoints < MAX_64KSALPOINTS );
+        nPoly--;
+        if ( pWinPointAry[static_cast<UINT>(nPoly)] > MAX_64KSALPOINTS )
+            pWinPointAry[static_cast<UINT>(nPoly)] = MAX_64KSALPOINTS;
+        if ( nPoly == 1 )
+            Polygon( mrParent.getHDC(), pWinPointAryAry, *pWinPointAry );
+        else
+            PolyPolygon( mrParent.getHDC(), pWinPointAryAry, reinterpret_cast<int*>(pWinPointAry), nPoly );
+    }
+
+    if ( pWinPointAry != aWinPointAry )
+        delete [] pWinPointAry;
+    if ( pWinPointAryAry != aWinPointAryAry )
+        delete [] pWinPointAryAry;
+}
+
+bool WinSalGraphicsImpl::drawPolyLineBezier( sal_uInt32 nPoints, const Point* pPtAry, const PolyFlags* pFlgAry )
+{
+    // #100127# draw an array of points which might also contain bezier control points
+    if (!nPoints)
+        return true;
+
+    const HDC hdc = mrParent.getHDC();
+
+    // TODO: profile whether the following options are faster:
+    // a) look ahead and draw consecutive bezier or line segments by PolyBezierTo/PolyLineTo resp.
+    // b) convert our flag array to window's and use PolyDraw
+    MoveToEx(hdc, static_cast<LONG>(pPtAry->getX()), static_cast<LONG>(pPtAry->getY()), nullptr);
+    ++pPtAry;
+    ++pFlgAry;
+
+    for(sal_uInt32 i = 1; i < nPoints; ++i)
+    {
+        if(*pFlgAry != PolyFlags::Control)
+        {
+            LineTo(hdc, pPtAry->getX(), pPtAry->getY());
+        }
+        else if(nPoints - i > 2)
+        {
+            POINT bezierPoints[] = {
+                POINT { static_cast<LONG>(pPtAry[0].getX()), static_cast<LONG>(pPtAry[0].getY()) },
+                POINT { static_cast<LONG>(pPtAry[1].getX()), static_cast<LONG>(pPtAry[1].getY()) },
+                POINT { static_cast<LONG>(pPtAry[2].getX()), static_cast<LONG>(pPtAry[2].getY()) },
+            };
+            PolyBezierTo(hdc, bezierPoints, 3);
+            i += 2;
+            pPtAry += 2;
+            pFlgAry += 2;
+        }
+
+        ++pPtAry;
+        ++pFlgAry;
+    }
+
+    return true;
+}
+
+bool WinSalGraphicsImpl::drawPolygonBezier( sal_uInt32 nPoints, const Point* pPtAry, const PolyFlags* pFlgAry )
+{
+    POINT   aStackAry1[SAL_POLY_STACKBUF];
+    BYTE    aStackAry2[SAL_POLY_STACKBUF];
+    POINT*  pWinPointAry;
+    BYTE*   pWinFlagAry;
+    if( nPoints > SAL_POLY_STACKBUF )
+    {
+        pWinPointAry = new POINT[ nPoints ];
+        pWinFlagAry = new BYTE[ nPoints ];
+    }
+    else
+    {
+        pWinPointAry = aStackAry1;
+        pWinFlagAry = aStackAry2;
+    }
+
+    sal_uInt32 nPoints_i32(nPoints);
+    ImplPreparePolyDraw(true, 1, &nPoints_i32, &pPtAry, &pFlgAry, pWinPointAry, pWinFlagAry);
+
+    bool bRet( false );
+
+    if( BeginPath( mrParent.getHDC() ) )
+    {
+        PolyDraw(mrParent.getHDC(), pWinPointAry, pWinFlagAry, nPoints);
+
+        if( EndPath( mrParent.getHDC() ) )
+        {
+            if( StrokeAndFillPath( mrParent.getHDC() ) )
+                bRet = true;
+        }
+    }
+
+    if( pWinPointAry != aStackAry1 )
+    {
+        delete [] pWinPointAry;
+        delete [] pWinFlagAry;
+    }
+
+    return bRet;
+}
+
+bool WinSalGraphicsImpl::drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints,
+                                             const Point* const* pPtAry, const PolyFlags* const* pFlgAry )
+{
+    sal_uLong nCurrPoly, nTotalPoints;
+    const sal_uInt32* pCurrPoints = pPoints;
+    for( nCurrPoly=0, nTotalPoints=0; nCurrPoly<nPoly; ++nCurrPoly )
+        nTotalPoints += *pCurrPoints++;
+
+    POINT      aStackAry1[SAL_POLY_STACKBUF];
+    BYTE       aStackAry2[SAL_POLY_STACKBUF];
+    POINT*     pWinPointAry;
+    BYTE*      pWinFlagAry;
+    if( nTotalPoints > SAL_POLY_STACKBUF )
+    {
+        pWinPointAry = new POINT[ nTotalPoints ];
+        pWinFlagAry = new BYTE[ nTotalPoints ];
+    }
+    else
+    {
+        pWinPointAry = aStackAry1;
+        pWinFlagAry = aStackAry2;
+    }
+
+    ImplPreparePolyDraw(true, nPoly, pPoints, pPtAry, pFlgAry, pWinPointAry, pWinFlagAry);
+
+    bool bRet( false );
+
+    if( BeginPath( mrParent.getHDC() ) )
+    {
+        PolyDraw(mrParent.getHDC(), pWinPointAry, pWinFlagAry, nTotalPoints);
+
+        if( EndPath( mrParent.getHDC() ) )
+        {
+            if( StrokeAndFillPath( mrParent.getHDC() ) )
+                bRet = true;
+        }
+    }
+
+    if( pWinPointAry != aStackAry1 )
+    {
+        delete [] pWinPointAry;
+        delete [] pWinFlagAry;
+    }
+
+    return bRet;
+}
+
+static basegfx::B2DPoint impPixelSnap(
+    const basegfx::B2DPolygon& rPolygon,
+    const basegfx::B2DHomMatrix& rObjectToDevice,
+    basegfx::B2DHomMatrix& rObjectToDeviceInv,
+    sal_uInt32 nIndex)
+{
+    const sal_uInt32 nCount(rPolygon.count());
+
+    // get the data
+    const basegfx::B2ITuple aPrevTuple(basegfx::fround(rObjectToDevice * rPolygon.getB2DPoint((nIndex + nCount - 1) % nCount)));
+    const basegfx::B2DPoint aCurrPoint(rObjectToDevice * rPolygon.getB2DPoint(nIndex));
+    const basegfx::B2ITuple aCurrTuple(basegfx::fround(aCurrPoint));
+    const basegfx::B2ITuple aNextTuple(basegfx::fround(rObjectToDevice * rPolygon.getB2DPoint((nIndex + 1) % nCount)));
+
+    // get the states
+    const bool bPrevVertical(aPrevTuple.getX() == aCurrTuple.getX());
+    const bool bNextVertical(aNextTuple.getX() == aCurrTuple.getX());
+    const bool bPrevHorizontal(aPrevTuple.getY() == aCurrTuple.getY());
+    const bool bNextHorizontal(aNextTuple.getY() == aCurrTuple.getY());
+    const bool bSnapX(bPrevVertical || bNextVertical);
+    const bool bSnapY(bPrevHorizontal || bNextHorizontal);
+
+    if(bSnapX || bSnapY)
+    {
+        basegfx::B2DPoint aSnappedPoint(
+            bSnapX ? aCurrTuple.getX() : aCurrPoint.getX(),
+            bSnapY ? aCurrTuple.getY() : aCurrPoint.getY());
+
+        if(rObjectToDeviceInv.isIdentity())
+        {
+            rObjectToDeviceInv = rObjectToDevice;
+            rObjectToDeviceInv.invert();
+        }
+
+        aSnappedPoint *= rObjectToDeviceInv;
+
+        return aSnappedPoint;
+    }
+
+    return rPolygon.getB2DPoint(nIndex);
+}
+
+static void impAddB2DPolygonToGDIPlusGraphicsPathReal(
+    Gdiplus::GraphicsPath& rGraphicsPath,
+    const basegfx::B2DPolygon& rPolygon,
+    const basegfx::B2DHomMatrix& rObjectToDevice,
+    bool bNoLineJoin,
+    bool bPixelSnapHairline)
+{
+    sal_uInt32 nCount(rPolygon.count());
+
+    if(nCount)
+    {
+        const sal_uInt32 nEdgeCount(rPolygon.isClosed() ? nCount : nCount - 1);
+
+        if(nEdgeCount)
+        {
+            const bool bControls(rPolygon.areControlPointsUsed());
+            basegfx::B2DPoint aCurr(rPolygon.getB2DPoint(0));
+            basegfx::B2DHomMatrix aObjectToDeviceInv;
+
+            if(bPixelSnapHairline)
+            {
+                aCurr = impPixelSnap(rPolygon, rObjectToDevice, aObjectToDeviceInv, 0);
+            }
+
+            for(sal_uInt32 a(0); a < nEdgeCount; a++)
+            {
+                const sal_uInt32 nNextIndex((a + 1) % nCount);
+                basegfx::B2DPoint aNext(rPolygon.getB2DPoint(nNextIndex));
+                const bool b1stControlPointUsed(bControls && rPolygon.isNextControlPointUsed(a));
+                const bool b2ndControlPointUsed(bControls && rPolygon.isPrevControlPointUsed(nNextIndex));
+
+                if(bPixelSnapHairline)
+                {
+                    aNext = impPixelSnap(rPolygon, rObjectToDevice, aObjectToDeviceInv, nNextIndex);
+                }
+
+                if(b1stControlPointUsed || b2ndControlPointUsed)
+                {
+                    basegfx::B2DPoint aCa(rPolygon.getNextControlPoint(a));
+                    basegfx::B2DPoint aCb(rPolygon.getPrevControlPoint(nNextIndex));
+
+                    // tdf#99165 MS Gdiplus cannot handle creating correct extra geometry for fat lines
+                    // with LineCap or LineJoin when a bezier segment starts or ends trivial, e.g. has
+                    // no 1st or 2nd control point, despite that these are mathematically correct definitions
+                    // (basegfx can handle that).
+                    // Caution: This error (and it's correction) might be necessary for other graphical
+                    // sub-systems in a similar way.
+                    // tdf#101026 The 1st attempt to create a mathematically correct replacement control
+                    // vector was wrong. Best alternative is one as close as possible which means short.
+                    if(!b1stControlPointUsed)
+                    {
+                        aCa = aCurr + ((aCb - aCurr) * 0.0005);
+                    }
+                    else if(!b2ndControlPointUsed)
+                    {
+                        aCb = aNext + ((aCa - aNext) * 0.0005);
+                    }
+
+                    rGraphicsPath.AddBezier(
+                        static_cast< Gdiplus::REAL >(aCurr.getX()), static_cast< Gdiplus::REAL >(aCurr.getY()),
+                        static_cast< Gdiplus::REAL >(aCa.getX()), static_cast< Gdiplus::REAL >(aCa.getY()),
+                        static_cast< Gdiplus::REAL >(aCb.getX()), static_cast< Gdiplus::REAL >(aCb.getY()),
+                        static_cast< Gdiplus::REAL >(aNext.getX()), static_cast< Gdiplus::REAL >(aNext.getY()));
+                }
+                else
+                {
+                    rGraphicsPath.AddLine(
+                        static_cast< Gdiplus::REAL >(aCurr.getX()), static_cast< Gdiplus::REAL >(aCurr.getY()),
+                        static_cast< Gdiplus::REAL >(aNext.getX()), static_cast< Gdiplus::REAL >(aNext.getY()));
+                }
+
+                if(a + 1 < nEdgeCount)
+                {
+                    aCurr = aNext;
+
+                    if(bNoLineJoin)
+                    {
+                        rGraphicsPath.StartFigure();
+                    }
+                }
+            }
+        }
+    }
+}
+
+namespace {
+
+class SystemDependentData_GraphicsPath : public basegfx::SystemDependentData
+{
+private:
+    // the path data itself
+    std::shared_ptr<Gdiplus::GraphicsPath>  mpGraphicsPath;
+
+    // all other values the triangulation is based on and
+    // need to be compared with to check for data validity
+    bool                                    mbNoLineJoin;
+    std::vector< double >                       maStroke;
+
+public:
+    SystemDependentData_GraphicsPath(
+        basegfx::SystemDependentDataManager& rSystemDependentDataManager,
+        std::shared_ptr<Gdiplus::GraphicsPath>& rpGraphicsPath,
+        bool bNoLineJoin,
+        const std::vector< double >* pStroke); // MM01
+
+    // read access
+    std::shared_ptr<Gdiplus::GraphicsPath>& getGraphicsPath() { return mpGraphicsPath; }
+    bool getNoLineJoin() const { return mbNoLineJoin; }
+    const std::vector< double >& getStroke() const { return maStroke; }
+
+    virtual sal_Int64 estimateUsageInBytes() const override;
+};
+
+}
+
+SystemDependentData_GraphicsPath::SystemDependentData_GraphicsPath(
+    basegfx::SystemDependentDataManager& rSystemDependentDataManager,
+    std::shared_ptr<Gdiplus::GraphicsPath>& rpGraphicsPath,
+    bool bNoLineJoin,
+    const std::vector< double >* pStroke)
+:   basegfx::SystemDependentData(rSystemDependentDataManager),
+    mpGraphicsPath(rpGraphicsPath),
+    mbNoLineJoin(bNoLineJoin),
+    maStroke()
+{
+    if(nullptr != pStroke)
+    {
+        maStroke = *pStroke;
+    }
+}
+
+sal_Int64 SystemDependentData_GraphicsPath::estimateUsageInBytes() const
+{
+    sal_Int64 nRetval(0);
+
+    if(mpGraphicsPath)
+    {
+        const INT nPointCount(mpGraphicsPath->GetPointCount());
+
+        if(0 != nPointCount)
+        {
+            // Each point has
+            // - 2 x sizeof(Gdiplus::REAL)
+            // - 1 byte (see GetPathTypes in docu)
+            nRetval = nPointCount * ((2 * sizeof(Gdiplus::REAL)) + 1);
+        }
+    }
+
+    return nRetval;
+}
+
+bool WinSalGraphicsImpl::drawPolyPolygon(
+    const basegfx::B2DHomMatrix& rObjectToDevice,
+    const basegfx::B2DPolyPolygon& rPolyPolygon,
+    double fTransparency)
+{
+    const sal_uInt32 nCount(rPolyPolygon.count());
+
+    if(!mbBrush || 0 == nCount || fTransparency < 0.0 || fTransparency > 1.0)
+    {
+        return true;
+    }
+
+    Gdiplus::Graphics aGraphics(mrParent.getHDC());
+    const sal_uInt8 aTrans(sal_uInt8(255) - static_cast<sal_uInt8>(basegfx::fround(fTransparency * 255.0)));
+    const Gdiplus::Color aTestColor(aTrans, maFillColor.GetRed(), maFillColor.GetGreen(), maFillColor.GetBlue());
+    const Gdiplus::SolidBrush aSolidBrush(aTestColor.GetValue());
+
+    // Set full (Object-to-Device) transformation - if used
+    if(rObjectToDevice.isIdentity())
+    {
+        aGraphics.ResetTransform();
+    }
+    else
+    {
+        Gdiplus::Matrix aMatrix;
+
+        aMatrix.SetElements(
+            rObjectToDevice.get(0, 0),
+            rObjectToDevice.get(1, 0),
+            rObjectToDevice.get(0, 1),
+            rObjectToDevice.get(1, 1),
+            rObjectToDevice.get(0, 2),
+            rObjectToDevice.get(1, 2));
+        aGraphics.SetTransform(&aMatrix);
+    }
+
+    // prepare local instance of Gdiplus::GraphicsPath
+    std::shared_ptr<Gdiplus::GraphicsPath> pGraphicsPath;
+
+    // try to access buffered data
+    std::shared_ptr<SystemDependentData_GraphicsPath> pSystemDependentData_GraphicsPath(
+        rPolyPolygon.getSystemDependentData<SystemDependentData_GraphicsPath>());
+
+    if(pSystemDependentData_GraphicsPath)
+    {
+        // copy buffered data
+        pGraphicsPath = pSystemDependentData_GraphicsPath->getGraphicsPath();
+    }
+    else
+    {
+        // Note: In principle we could use the same buffered geometry at line
+        // and fill polygons. Checked that in a first try, used
+        // GraphicsPath::AddPath from Gdiplus combined with below used
+        // StartFigure/CloseFigure, worked well (thus the line-draw version
+        // may create non-closed partial Polygon data).
+        //
+        // But in current reality it gets not used due to e.g.
+        // SdrPathPrimitive2D::create2DDecomposition creating transformed
+        // line and fill polygon-primitives (what could be changed).
+        //
+        // There will probably be more hindrances here in other rendering paths
+        // which could all be found - intention to do this would be: Use more
+        // transformations, less modifications of B2DPolygons/B2DPolyPolygons.
+        //
+        // A fix for SdrPathPrimitive2D would be to create the sub-geometry
+        // and embed into a TransformPrimitive2D containing the transformation.
+        //
+        // A 2nd problem is that the NoLineJoin mode (basegfx::B2DLineJoin::NONE
+        // && !bIsHairline) creates polygon fill infos that are not reusable
+        // for the fill case (see ::drawPolyLine below) - thus we would need a
+        // bool and/or two system-dependent paths buffered - doable, but complicated.
+        //
+        // All in all: Make B2DPolyPolygon a SystemDependentDataProvider and buffer
+        // the whole to-be-filled PolyPolygon independent from evtl. line-polygon
+        // (at least for now...)
+
+        // create data
+        pGraphicsPath = std::make_shared<Gdiplus::GraphicsPath>();
+
+        for(sal_uInt32 a(0); a < nCount; a++)
+        {
+            if(0 != a)
+            {
+                // #i101491# not needed for first run
+                pGraphicsPath->StartFigure();
+            }
+
+            impAddB2DPolygonToGDIPlusGraphicsPathReal(
+                *pGraphicsPath,
+                rPolyPolygon.getB2DPolygon(a),
+                rObjectToDevice, // not used due to the two 'false' values below, but to not forget later
+                false,
+                false);
+
+            pGraphicsPath->CloseFigure();
+        }
+
+        // add to buffering mechanism
+        rPolyPolygon.addOrReplaceSystemDependentData<SystemDependentData_GraphicsPath>(
+            ImplGetSystemDependentDataManager(),
+            pGraphicsPath,
+            false,
+            nullptr);
+    }
+
+    if(mrParent.getAntiAlias())
+    {
+        aGraphics.SetSmoothingMode(Gdiplus::SmoothingModeAntiAlias);
+    }
+    else
+    {
+        aGraphics.SetSmoothingMode(Gdiplus::SmoothingModeNone);
+    }
+
+    if(mrParent.isPrinter())
+    {
+        // #i121591#
+        // Normally GdiPlus should not be used for printing at all since printers cannot
+        // print transparent filled polygon geometry and normally this does not happen
+        // since OutputDevice::RemoveTransparenciesFromMetaFile is used as preparation
+        // and no transparent parts should remain for printing. But this can be overridden
+        // by the user and thus happens. This call can only come (currently) from
+        // OutputDevice::DrawTransparent, see comments there with the same TaskID.
+        // If it is used, the mapping for the printer is wrong and needs to be corrected. I
+        // checked that there is *no* transformation set and estimated that a stable factor
+        // dependent of the printer's DPI is used. Create and set a transformation here to
+        // correct this.
+        const Gdiplus::REAL aDpiX(aGraphics.GetDpiX());
+        const Gdiplus::REAL aDpiY(aGraphics.GetDpiY());
+
+        // Now the transformation maybe/is already used (see above), so do
+        // modify it without resetting to not destroy it.
+        // I double-checked with MS docu that Gdiplus::MatrixOrderAppend does what
+        // we need - in our notation, would be a multiply from left to execute
+        // current transform first and this scale last.
+        // I tried to trigger this code using Print from the menu and various
+        // targets, but got no hit, thus maybe obsolete anyways. If someone knows
+        // more, feel free to remove it.
+        // One more hint: This *may* also be needed now in ::drawPolyLine below
+        // since it also uses transformations now.
+        //
+        // aGraphics.ResetTransform();
+
+        aGraphics.ScaleTransform(
+            Gdiplus::REAL(100.0) / aDpiX,
+            Gdiplus::REAL(100.0) / aDpiY,
+            Gdiplus::MatrixOrderAppend);
+    }
+
+    // use created or buffered data
+    aGraphics.FillPath(
+        &aSolidBrush,
+        &(*pGraphicsPath));
+
+    return true;
+}
+
+bool WinSalGraphicsImpl::drawPolyLine(
+    const basegfx::B2DHomMatrix& rObjectToDevice,
+    const basegfx::B2DPolygon& rPolygon,
+    double fTransparency,
+    double fLineWidth,
+    const std::vector< double >* pStroke, // MM01
+    basegfx::B2DLineJoin eLineJoin,
+    css::drawing::LineCap eLineCap,
+    double fMiterMinimumAngle,
+    bool bPixelSnapHairline)
+{
+    // MM01 check done for simple reasons
+    if(!mbPen || !rPolygon.count() || fTransparency < 0.0 || fTransparency > 1.0)
+    {
+        return true;
+    }
+
+    // need to check/handle LineWidth when ObjectToDevice transformation is used
+    const bool bObjectToDeviceIsIdentity(rObjectToDevice.isIdentity());
+    const bool bIsHairline(fLineWidth == 0);
+
+    // tdf#124848 calculate-back logical LineWidth for a hairline
+    // since this implementation hands over the transformation to
+    // the graphic sub-system
+    if(bIsHairline)
+    {
+        fLineWidth = 1.0;
+
+        if(!bObjectToDeviceIsIdentity)
+        {
+            basegfx::B2DHomMatrix aObjectToDeviceInv(rObjectToDevice);
+            aObjectToDeviceInv.invert();
+            fLineWidth = (aObjectToDeviceInv * basegfx::B2DVector(fLineWidth, 0)).getLength();
+        }
+    }
+
+    Gdiplus::Graphics aGraphics(mrParent.getHDC());
+    const sal_uInt8 aTrans = static_cast<sal_uInt8>(basegfx::fround( 255 * (1.0 - fTransparency) ));
+    const Gdiplus::Color aTestColor(aTrans, maLineColor.GetRed(), maLineColor.GetGreen(), maLineColor.GetBlue());
+    Gdiplus::Pen aPen(aTestColor.GetValue(), Gdiplus::REAL(fLineWidth));
+    bool bNoLineJoin(false);
+
+    // Set full (Object-to-Device) transformation - if used
+    if(bObjectToDeviceIsIdentity)
+    {
+        aGraphics.ResetTransform();
+    }
+    else
+    {
+        Gdiplus::Matrix aMatrix;
+
+        aMatrix.SetElements(
+            rObjectToDevice.get(0, 0),
+            rObjectToDevice.get(1, 0),
+            rObjectToDevice.get(0, 1),
+            rObjectToDevice.get(1, 1),
+            rObjectToDevice.get(0, 2),
+            rObjectToDevice.get(1, 2));
+        aGraphics.SetTransform(&aMatrix);
+    }
+
+    switch(eLineJoin)
+    {
+        case basegfx::B2DLineJoin::NONE :
+        {
+            if(!bIsHairline)
+            {
+                bNoLineJoin = true;
+            }
+            break;
+        }
+        case basegfx::B2DLineJoin::Bevel :
+        {
+            aPen.SetLineJoin(Gdiplus::LineJoinBevel);
+            break;
+        }
+        case basegfx::B2DLineJoin::Miter :
+        {
+            const Gdiplus::REAL aMiterLimit(1.0/sin(fMiterMinimumAngle/2.0));
+
+            aPen.SetMiterLimit(aMiterLimit);
+            // tdf#99165 MS's LineJoinMiter creates non standard conform miter additional
+            // graphics, somewhere clipped in some distance from the edge point, dependent
+            // of MiterLimit. The more default-like option is LineJoinMiterClipped, so use
+            // that instead
+            aPen.SetLineJoin(Gdiplus::LineJoinMiterClipped);
+            break;
+        }
+        case basegfx::B2DLineJoin::Round :
+        {
+            aPen.SetLineJoin(Gdiplus::LineJoinRound);
+            break;
+        }
+    }
+
+    switch(eLineCap)
+    {
+        default: /*css::drawing::LineCap_BUTT*/
+        {
+            // nothing to do
+            break;
+        }
+        case css::drawing::LineCap_ROUND:
+        {
+            aPen.SetStartCap(Gdiplus::LineCapRound);
+            aPen.SetEndCap(Gdiplus::LineCapRound);
+            break;
+        }
+        case css::drawing::LineCap_SQUARE:
+        {
+            aPen.SetStartCap(Gdiplus::LineCapSquare);
+            aPen.SetEndCap(Gdiplus::LineCapSquare);
+            break;
+        }
+    }
+
+    // prepare local instance of Gdiplus::GraphicsPath
+    std::shared_ptr<Gdiplus::GraphicsPath> pGraphicsPath;
+
+    // try to access buffered data
+    std::shared_ptr<SystemDependentData_GraphicsPath> pSystemDependentData_GraphicsPath(
+        rPolygon.getSystemDependentData<SystemDependentData_GraphicsPath>());
+
+    // MM01 need to do line dashing as fallback stuff here now
+    const double fDotDashLength(nullptr != pStroke ? std::accumulate(pStroke->begin(), pStroke->end(), 0.0) : 0.0);
+    const bool bStrokeUsed(0.0 != fDotDashLength);
+    assert(!bStrokeUsed || (bStrokeUsed && pStroke));
+
+    // MM01 decide if to stroke directly
+    static bool bDoDirectGDIPlusStroke(true);
+
+    // activate to stroke directly
+    if(bDoDirectGDIPlusStroke && bStrokeUsed)
+    {
+        // tdf#124848 the fix of tdf#130478 that was needed here before
+        // gets much easier when already handling the hairline case above,
+        // the back-calculated logical linewidth is already here, just use it.
+        // Still be careful - a zero LineWidth *should* not happen, but...
+        std::vector<Gdiplus::REAL> aDashArray(pStroke->size());
+        const double fFactor(fLineWidth == 0 ? 1.0 : 1.0 / fLineWidth);
+
+        // tdf#134128. ODF adds caps to the dashes and dots, but GDI makes caps from the
+        // dash or dot themselves. We tweak aDashArray to look the same in GDI (e.g. Impress edit mode)
+        // and other renders (e.g. Impress slide show), while keeping the total length of the
+        // pattern.
+        // Patterns are always a sequence dash space dash space ...
+        if (eLineCap != css::drawing::LineCap_BUTT)
+        {
+            size_t nSize = pStroke->size();
+            // We want to treat dash and space in pairs. There should be no odd size. If so, we ignore
+            // last item.
+            nSize /= 2;
+            for(size_t a(0); a < nSize; a++)
+            {
+                double fDashLengthRel = (*pStroke)[2 * a] * fFactor;
+                double fSpaceLengthRel = (*pStroke)[2 * a + 1] * fFactor;
+                // GDI allows only positive lengths for space, Skia negative lengths too. Thus the
+                // appearance is different, in case space is too small.
+                double fCorrect = fSpaceLengthRel - 1.0 <= 0 ? fSpaceLengthRel - 0.01 : 1.0;
+                aDashArray[2 * a] = Gdiplus::REAL(fDashLengthRel + fCorrect);
+                aDashArray[2 * a + 1] = Gdiplus::REAL(fSpaceLengthRel - fCorrect);
+            }
+        }
+        else
+        {
+            for(size_t a(0); a < pStroke->size(); a++)
+            {
+                aDashArray[a] = Gdiplus::REAL((*pStroke)[a] * fFactor);
+            }
+        }
+        if (eLineCap == css::drawing::LineCap_ROUND)
+            aPen.SetDashCap(Gdiplus::DashCapRound);
+        else
+            aPen.SetDashCap(Gdiplus::DashCapFlat); // "square" doesn't exist in Gdiplus
+        aPen.SetDashOffset(Gdiplus::REAL(0.0));
+        aPen.SetDashPattern(aDashArray.data(), aDashArray.size());
+    }
+
+    if(!bDoDirectGDIPlusStroke && pSystemDependentData_GraphicsPath)
+    {
+        // MM01 - check on stroke change. Used against not used, or if oth used,
+        // equal or different? Triangulation geometry creation depends heavily
+        // on stroke, independent of being transformation independent
+        const bool bStrokeWasUsed(!pSystemDependentData_GraphicsPath->getStroke().empty());
+
+        if(bStrokeWasUsed != bStrokeUsed
+        || (bStrokeUsed && *pStroke != pSystemDependentData_GraphicsPath->getStroke()))
+        {
+            // data invalid, forget
+            pSystemDependentData_GraphicsPath.reset();
+        }
+    }
+
+    if(pSystemDependentData_GraphicsPath)
+    {
+        // check data validity
+        if (pSystemDependentData_GraphicsPath->getNoLineJoin() != bNoLineJoin
+            || bPixelSnapHairline /*tdf#124700*/)
+        {
+            // data invalid, forget
+            pSystemDependentData_GraphicsPath.reset();
+        }
+    }
+
+    if(pSystemDependentData_GraphicsPath)
+    {
+        // copy buffered data
+        pGraphicsPath = pSystemDependentData_GraphicsPath->getGraphicsPath();
+    }
+    else
+    {
+        // fill data of buffered data
+        pGraphicsPath = std::make_shared<Gdiplus::GraphicsPath>();
+
+        if(!bDoDirectGDIPlusStroke && bStrokeUsed)
+        {
+            // MM01 need to do line dashing as fallback stuff here now
+            basegfx::B2DPolyPolygon aPolyPolygonLine;
+
+            // apply LineStyle
+            basegfx::utils::applyLineDashing(
+                rPolygon, // source
+                *pStroke, // pattern
+                &aPolyPolygonLine, // target for lines
+                nullptr, // target for gaps
+                fDotDashLength); // full length if available
+
+            // MM01 checked/verified, ok
+            for(sal_uInt32 a(0); a < aPolyPolygonLine.count(); a++)
+            {
+                const basegfx::B2DPolygon aPolyLine(aPolyPolygonLine.getB2DPolygon(a));
+                pGraphicsPath->StartFigure();
+                impAddB2DPolygonToGDIPlusGraphicsPathReal(
+                    *pGraphicsPath,
+                    aPolyLine,
+                    rObjectToDevice,
+                    bNoLineJoin,
+                    bPixelSnapHairline);
+            }
+        }
+        else
+        {
+            // no line dashing or direct stroke, just copy
+            impAddB2DPolygonToGDIPlusGraphicsPathReal(
+                *pGraphicsPath,
+                rPolygon,
+                rObjectToDevice,
+                bNoLineJoin,
+                bPixelSnapHairline);
+
+            if(rPolygon.isClosed() && !bNoLineJoin)
+            {
+                // #i101491# needed to create the correct line joins
+                pGraphicsPath->CloseFigure();
+            }
+        }
+
+        // add to buffering mechanism
+        if (!bPixelSnapHairline /*tdf#124700*/)
+        {
+            rPolygon.addOrReplaceSystemDependentData<SystemDependentData_GraphicsPath>(
+                ImplGetSystemDependentDataManager(),
+                pGraphicsPath,
+                bNoLineJoin,
+                pStroke);
+        }
+    }
+
+    if(mrParent.getAntiAlias())
+    {
+        aGraphics.SetSmoothingMode(Gdiplus::SmoothingModeAntiAlias);
+    }
+    else
+    {
+        aGraphics.SetSmoothingMode(Gdiplus::SmoothingModeNone);
+    }
+
+    if(mrParent.isPrinter())
+    {
+        // tdf#122384 As mentioned above in WinSalGraphicsImpl::drawPolyPolygon
+        // (look for 'One more hint: This *may* also be needed now in'...).
+        // See comments in same spot above *urgently* before doing changes here,
+        // these comments are *still fully valid* at this place (!)
+        const Gdiplus::REAL aDpiX(aGraphics.GetDpiX());
+        const Gdiplus::REAL aDpiY(aGraphics.GetDpiY());
+
+        aGraphics.ScaleTransform(
+            Gdiplus::REAL(100.0) / aDpiX,
+            Gdiplus::REAL(100.0) / aDpiY,
+            Gdiplus::MatrixOrderAppend);
+    }
+
+    aGraphics.DrawPath(
+        &aPen,
+        &(*pGraphicsPath));
+
+    return true;
+}
+
+static void paintToGdiPlus(
+    Gdiplus::Graphics& rGraphics,
+    const SalTwoRect& rTR,
+    Gdiplus::Bitmap& rBitmap)
+{
+    // only parts of source are used
+    Gdiplus::PointF aDestPoints[3];
+    Gdiplus::ImageAttributes aAttributes;
+
+    // define target region as parallelogram
+    aDestPoints[0].X = Gdiplus::REAL(rTR.mnDestX);
+    aDestPoints[0].Y = Gdiplus::REAL(rTR.mnDestY);
+    aDestPoints[1].X = Gdiplus::REAL(rTR.mnDestX + rTR.mnDestWidth);
+    aDestPoints[1].Y = Gdiplus::REAL(rTR.mnDestY);
+    aDestPoints[2].X = Gdiplus::REAL(rTR.mnDestX);
+    aDestPoints[2].Y = Gdiplus::REAL(rTR.mnDestY + rTR.mnDestHeight);
+
+    aAttributes.SetWrapMode(Gdiplus::WrapModeTileFlipXY);
+
+    rGraphics.DrawImage(
+        &rBitmap,
+        aDestPoints,
+        3,
+        Gdiplus::REAL(rTR.mnSrcX),
+        Gdiplus::REAL(rTR.mnSrcY),
+        Gdiplus::REAL(rTR.mnSrcWidth),
+        Gdiplus::REAL(rTR.mnSrcHeight),
+        Gdiplus::UnitPixel,
+        &aAttributes);
+}
+
+static void setInterpolationMode(
+    Gdiplus::Graphics& rGraphics,
+    tools::Long rSrcWidth,
+    tools::Long rDestWidth,
+    tools::Long rSrcHeight,
+    tools::Long rDestHeight)
+{
+    const bool bSameWidth(rSrcWidth == rDestWidth);
+    const bool bSameHeight(rSrcHeight == rDestHeight);
+
+    if(bSameWidth && bSameHeight)
+    {
+        rGraphics.SetInterpolationMode(Gdiplus::InterpolationModeInvalid);
+    }
+    else if(rDestWidth > rSrcWidth && rDestHeight > rSrcHeight)
+    {
+        rGraphics.SetInterpolationMode(Gdiplus::InterpolationModeDefault);
+    }
+    else if(rDestWidth < rSrcWidth && rDestHeight < rSrcHeight)
+    {
+        rGraphics.SetInterpolationMode(Gdiplus::InterpolationModeBicubic);
+    }
+    else
+    {
+        rGraphics.SetInterpolationMode(Gdiplus::InterpolationModeDefault);
+    }
+}
+
+bool WinSalGraphicsImpl::TryDrawBitmapGDIPlus(const SalTwoRect& rTR, const SalBitmap& rSrcBitmap)
+{
+    if(rTR.mnSrcWidth && rTR.mnSrcHeight && rTR.mnDestWidth && rTR.mnDestHeight)
+    {
+        assert(dynamic_cast<const WinSalBitmap*>(&rSrcBitmap));
+
+        const WinSalBitmap& rSalBitmap = static_cast< const WinSalBitmap& >(rSrcBitmap);
+        std::shared_ptr< Gdiplus::Bitmap > aARGB(rSalBitmap.ImplGetGdiPlusBitmap());
+
+        if(aARGB)
+        {
+            Gdiplus::Graphics aGraphics(mrParent.getHDC());
+
+            setInterpolationMode(
+                aGraphics,
+                rTR.mnSrcWidth,
+                rTR.mnDestWidth,
+                rTR.mnSrcHeight,
+                rTR.mnDestHeight);
+
+            paintToGdiPlus(
+                aGraphics,
+                rTR,
+                *aARGB);
+
+            return true;
+        }
+    }
+
+    return false;
+}
+
+bool WinSalGraphicsImpl::blendBitmap(
+    const SalTwoRect&,
+    const SalBitmap&)
+{
+    return false;
+}
+
+bool WinSalGraphicsImpl::blendAlphaBitmap(
+    const SalTwoRect&,
+    const SalBitmap&,
+    const SalBitmap&,
+    const SalBitmap&)
+{
+    return false;
+}
+
+bool WinSalGraphicsImpl::drawAlphaBitmap(
+    const SalTwoRect& rTR,
+    const SalBitmap& rSrcBitmap,
+    const SalBitmap& rAlphaBmp)
+{
+    if(rTR.mnSrcWidth && rTR.mnSrcHeight && rTR.mnDestWidth && rTR.mnDestHeight)
+    {
+        assert(dynamic_cast<const WinSalBitmap*>(&rSrcBitmap));
+        assert(dynamic_cast<const WinSalBitmap*>(&rAlphaBmp));
+
+        const WinSalBitmap& rSalBitmap = static_cast< const WinSalBitmap& >(rSrcBitmap);
+        const WinSalBitmap& rSalAlpha = static_cast< const WinSalBitmap& >(rAlphaBmp);
+        std::shared_ptr< Gdiplus::Bitmap > aARGB(rSalBitmap.ImplGetGdiPlusBitmap(&rSalAlpha));
+
+        if(aARGB)
+        {
+            Gdiplus::Graphics aGraphics(mrParent.getHDC());
+
+            setInterpolationMode(
+                aGraphics,
+                rTR.mnSrcWidth,
+                rTR.mnDestWidth,
+                rTR.mnSrcHeight,
+                rTR.mnDestHeight);
+
+            paintToGdiPlus(
+                aGraphics,
+                rTR,
+                *aARGB);
+
+            return true;
+        }
+    }
+
+    return false;
+}
+
+bool WinSalGraphicsImpl::drawTransformedBitmap(
+    const basegfx::B2DPoint& rNull,
+    const basegfx::B2DPoint& rX,
+    const basegfx::B2DPoint& rY,
+    const SalBitmap& rSourceBitmap,
+    const SalBitmap* pAlphaBitmap,
+    double fAlpha)
+{
+    assert(dynamic_cast<const WinSalBitmap*>(&rSourceBitmap));
+    assert(!pAlphaBitmap || dynamic_cast<const WinSalBitmap*>(pAlphaBitmap));
+
+    if( fAlpha != 1.0 )
+        return false;
+
+    const WinSalBitmap& rSalBitmap = static_cast< const WinSalBitmap& >(rSourceBitmap);
+    const WinSalBitmap* pSalAlpha = static_cast< const WinSalBitmap* >(pAlphaBitmap);
+    std::shared_ptr< Gdiplus::Bitmap > aARGB(rSalBitmap.ImplGetGdiPlusBitmap(pSalAlpha));
+
+    if(aARGB)
+    {
+        const tools::Long nSrcWidth(aARGB->GetWidth());
+        const tools::Long nSrcHeight(aARGB->GetHeight());
+
+        if(nSrcWidth && nSrcHeight)
+        {
+            const tools::Long nDestWidth(basegfx::fround(basegfx::B2DVector(rX - rNull).getLength()));
+            const tools::Long nDestHeight(basegfx::fround(basegfx::B2DVector(rY - rNull).getLength()));
+
+            if(nDestWidth && nDestHeight)
+            {
+                Gdiplus::Graphics aGraphics(mrParent.getHDC());
+                Gdiplus::PointF aDestPoints[3];
+                Gdiplus::ImageAttributes aAttributes;
+
+                setInterpolationMode(
+                    aGraphics,
+                    nSrcWidth,
+                    nDestWidth,
+                    nSrcHeight,
+                    nDestHeight);
+
+                // this mode is only capable of drawing the whole bitmap to a parallelogram
+                aDestPoints[0].X = Gdiplus::REAL(rNull.getX());
+                aDestPoints[0].Y = Gdiplus::REAL(rNull.getY());
+                aDestPoints[1].X = Gdiplus::REAL(rX.getX());
+                aDestPoints[1].Y = Gdiplus::REAL(rX.getY());
+                aDestPoints[2].X = Gdiplus::REAL(rY.getX());
+                aDestPoints[2].Y = Gdiplus::REAL(rY.getY());
+
+                aAttributes.SetWrapMode(Gdiplus::WrapModeTileFlipXY);
+
+                aGraphics.DrawImage(
+                    aARGB.get(),
+                    aDestPoints,
+                    3,
+                    Gdiplus::REAL(0.0),
+                    Gdiplus::REAL(0.0),
+                    Gdiplus::REAL(nSrcWidth),
+                    Gdiplus::REAL(nSrcHeight),
+                    Gdiplus::UnitPixel,
+                    &aAttributes);
+            }
+        }
+
+        return true;
+    }
+
+    return false;
+}
+
+bool WinSalGraphicsImpl::hasFastDrawTransformedBitmap() const
+{
+    return false;
+}
+
+bool WinSalGraphicsImpl::drawGradient(const tools::PolyPolygon& /*rPolygon*/,
+        const Gradient& /*rGradient*/)
+{
+    return false;
+}
+
+bool WinSalGraphicsImpl::implDrawGradient(basegfx::B2DPolyPolygon const & /*rPolyPolygon*/,
+    SalGradient const & /*rGradient*/)
+{
+    return false;
+}
+
+bool WinSalGraphicsImpl::supportsOperation(OutDevSupportType eType) const
+{
+    static bool bAllowForTest(true);
+    bool bRet = false;
+
+    switch (eType)
+    {
+        case OutDevSupportType::TransparentRect:
+            bRet = mrParent.mbVirDev || mrParent.mbWindow;
+            break;
+        case OutDevSupportType::B2DDraw:
+            bRet = bAllowForTest;
+            break;
+        default:
+            break;
+    }
+    return bRet;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */