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, 1914 insertions, 0 deletions

diff --git a/vcl/source/outdev/transparent.cxx b/vcl/source/outdev/transparent.cxx
new file mode 100644
index 000000000..f747c0479
--- /dev/null
+++ b/vcl/source/outdev/transparent.cxx
@@ -0,0 +1,1914 @@
+/* -*- 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/types.h>
+#include <osl/diagnose.h>
+#include <rtl/math.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <tools/helpers.hxx>
+#include <officecfg/Office/Common.hxx>
+
+#include <vcl/BitmapTools.hxx>
+#include <vcl/metaact.hxx>
+#include <vcl/print.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/virdev.hxx>
+
+#include <bitmap/BitmapWriteAccess.hxx>
+#include <pdf/pdfwriter_impl.hxx>
+#include <salgdi.hxx>
+
+#include <list>
+#include <memory>
+
+#define MAX_TILE_WIDTH  1024
+#define MAX_TILE_HEIGHT 1024
+
+namespace
+{
+    /**
+     * Perform a safe approximation of a polygon from double-precision
+     * coordinates to integer coordinates, to ensure that it has at least 2
+     * pixels in both X and Y directions.
+     */
+    tools::Polygon toPolygon( const basegfx::B2DPolygon& rPoly )
+    {
+        basegfx::B2DRange aRange = rPoly.getB2DRange();
+        double fW = aRange.getWidth(), fH = aRange.getHeight();
+        if (0.0 < fW && 0.0 < fH && (fW <= 1.0 || fH <= 1.0))
+        {
+            // This polygon not empty but is too small to display.  Approximate it
+            // with a rectangle large enough to be displayed.
+            double nX = aRange.getMinX(), nY = aRange.getMinY();
+            double nW = std::max<double>(1.0, rtl::math::round(fW));
+            double nH = std::max<double>(1.0, rtl::math::round(fH));
+
+            tools::Polygon aTarget;
+            aTarget.Insert(0, Point(nX, nY));
+            aTarget.Insert(1, Point(nX+nW, nY));
+            aTarget.Insert(2, Point(nX+nW, nY+nH));
+            aTarget.Insert(3, Point(nX, nY+nH));
+            aTarget.Insert(4, Point(nX, nY));
+            return aTarget;
+        }
+        return tools::Polygon(rPoly);
+    }
+
+    tools::PolyPolygon toPolyPolygon( const basegfx::B2DPolyPolygon& rPolyPoly )
+    {
+        tools::PolyPolygon aTarget;
+        for (auto const& rB2DPolygon : rPolyPoly)
+            aTarget.Insert(toPolygon(rB2DPolygon));
+
+        return aTarget;
+    }
+}
+
+// Caution: This method is nearly the same as
+// void OutputDevice::DrawPolyPolygon( const basegfx::B2DPolyPolygon& rB2DPolyPoly )
+// so when changes are made here do not forget to make changes there, too
+
+void OutputDevice::DrawTransparent(
+    const basegfx::B2DHomMatrix& rObjectTransform,
+    const basegfx::B2DPolyPolygon& rB2DPolyPoly,
+    double fTransparency)
+{
+    assert(!is_double_buffered_window());
+
+    // AW: Do NOT paint empty PolyPolygons
+    if(!rB2DPolyPoly.count())
+        return;
+
+    // we need a graphics
+    if( !mpGraphics && !AcquireGraphics() )
+        return;
+    assert(mpGraphics);
+
+    if( mbInitClipRegion )
+        InitClipRegion();
+
+    if( mbOutputClipped )
+        return;
+
+    if( mbInitLineColor )
+        InitLineColor();
+
+    if( mbInitFillColor )
+        InitFillColor();
+
+    if(mpGraphics->supportsOperation(OutDevSupportType::B2DDraw) &&
+       (RasterOp::OverPaint == GetRasterOp()) )
+    {
+        // b2dpolygon support not implemented yet on non-UNX platforms
+        basegfx::B2DPolyPolygon aB2DPolyPolygon(rB2DPolyPoly);
+
+        // ensure it is closed
+        if(!aB2DPolyPolygon.isClosed())
+        {
+            // maybe assert, prevents buffering due to making a copy
+            aB2DPolyPolygon.setClosed( true );
+        }
+
+        // create ObjectToDevice transformation
+        const basegfx::B2DHomMatrix aFullTransform(ImplGetDeviceTransformation() * rObjectTransform);
+        // TODO: this must not drop transparency for mpAlphaVDev case, but instead use premultiplied
+        // alpha... but that requires using premultiplied alpha also for already drawn data
+        const double fAdjustedTransparency = mpAlphaVDev ? 0 : fTransparency;
+        bool bDrawnOk(true);
+
+        if( IsFillColor() )
+        {
+            bDrawnOk = mpGraphics->DrawPolyPolygon(
+                aFullTransform,
+                aB2DPolyPolygon,
+                fAdjustedTransparency,
+                *this);
+        }
+
+        if( bDrawnOk && IsLineColor() )
+        {
+            const bool bPixelSnapHairline(mnAntialiasing & AntialiasingFlags::PixelSnapHairline);
+
+            for(auto const& rPolygon : std::as_const(aB2DPolyPolygon))
+            {
+                mpGraphics->DrawPolyLine(
+                    aFullTransform,
+                    rPolygon,
+                    fAdjustedTransparency,
+                    0.0, // tdf#124848 hairline
+                    nullptr, // MM01
+                    basegfx::B2DLineJoin::NONE,
+                    css::drawing::LineCap_BUTT,
+                    basegfx::deg2rad(15.0), // not used with B2DLineJoin::NONE, but the correct default
+                    bPixelSnapHairline,
+                    *this );
+            }
+        }
+
+        if( bDrawnOk )
+        {
+            if( mpMetaFile )
+            {
+                // tdf#119843 need transformed Polygon here
+                basegfx::B2DPolyPolygon aB2DPolyPoly(rB2DPolyPoly);
+                aB2DPolyPoly.transform(rObjectTransform);
+                mpMetaFile->AddAction(
+                    new MetaTransparentAction(
+                        tools::PolyPolygon(aB2DPolyPoly),
+                        static_cast< sal_uInt16 >(fTransparency * 100.0)));
+            }
+
+            if (mpAlphaVDev)
+                mpAlphaVDev->DrawTransparent(rObjectTransform, rB2DPolyPoly, fTransparency);
+
+            return;
+        }
+    }
+
+    // fallback to old polygon drawing if needed
+    // tdf#119843 need transformed Polygon here
+    basegfx::B2DPolyPolygon aB2DPolyPoly(rB2DPolyPoly);
+    aB2DPolyPoly.transform(rObjectTransform);
+    DrawTransparent(
+        toPolyPolygon(aB2DPolyPoly),
+        static_cast<sal_uInt16>(fTransparency * 100.0));
+}
+
+bool OutputDevice::DrawTransparentNatively ( const tools::PolyPolygon& rPolyPoly,
+                                             sal_uInt16 nTransparencePercent )
+{
+    assert(!is_double_buffered_window());
+
+    bool bDrawn = false;
+
+    if (mpGraphics->supportsOperation(OutDevSupportType::B2DDraw)
+#if defined UNX && ! defined MACOSX && ! defined IOS
+        && GetBitCount() > 8
+#endif
+#ifdef _WIN32
+        // workaround bad dithering on remote displaying when using GDI+ with toolbar button highlighting
+        && !rPolyPoly.IsRect()
+#endif
+        )
+    {
+        // prepare the graphics device
+        if( mbInitClipRegion )
+            InitClipRegion();
+
+        if( mbOutputClipped )
+            return false;
+
+        if( mbInitLineColor )
+            InitLineColor();
+
+        if( mbInitFillColor )
+            InitFillColor();
+
+        // get the polygon in device coordinates
+        basegfx::B2DPolyPolygon aB2DPolyPolygon(rPolyPoly.getB2DPolyPolygon());
+        const basegfx::B2DHomMatrix aTransform(ImplGetDeviceTransformation());
+
+        const double fTransparency = 0.01 * nTransparencePercent;
+        if( mbFillColor )
+        {
+            // #i121591#
+            // CAUTION: Only non printing (pixel-renderer) VCL commands from OutputDevices
+            // should be used when printing. Normally this is avoided by the printer being
+            // non-AAed and thus e.g. on WIN GdiPlus calls are not used. It may be necessary
+            // to figure out a way of moving this code to its own function that is
+            // overridden by the Print class, which will mean we deliberately override the
+            // functionality and we use the fallback some lines below (which is not very good,
+            // though. For now, WinSalGraphics::drawPolyPolygon will detect printer usage and
+            // correct the wrong mapping (see there for details)
+            bDrawn = mpGraphics->DrawPolyPolygon(
+                aTransform,
+                aB2DPolyPolygon,
+                fTransparency,
+                *this);
+        }
+
+        if( mbLineColor )
+        {
+            // disable the fill color for now
+            mpGraphics->SetFillColor();
+
+            // draw the border line
+            const bool bPixelSnapHairline(mnAntialiasing & AntialiasingFlags::PixelSnapHairline);
+
+            for(auto const& rPolygon : std::as_const(aB2DPolyPolygon))
+            {
+                bDrawn = mpGraphics->DrawPolyLine(
+                    aTransform,
+                    rPolygon,
+                    fTransparency,
+                    0.0, // tdf#124848 hairline
+                    nullptr, // MM01
+                    basegfx::B2DLineJoin::NONE,
+                    css::drawing::LineCap_BUTT,
+                    basegfx::deg2rad(15.0), // not used with B2DLineJoin::NONE, but the correct default
+                    bPixelSnapHairline,
+                    *this );
+            }
+
+            // prepare to restore the fill color
+            mbInitFillColor = mbFillColor;
+        }
+    }
+
+    return bDrawn;
+}
+
+void OutputDevice::EmulateDrawTransparent ( const tools::PolyPolygon& rPolyPoly,
+                                            sal_uInt16 nTransparencePercent )
+{
+    // #110958# Disable alpha VDev, we perform the necessary
+    VirtualDevice* pOldAlphaVDev = mpAlphaVDev;
+
+    // operation explicitly further below.
+    if( mpAlphaVDev )
+        mpAlphaVDev = nullptr;
+
+    GDIMetaFile* pOldMetaFile = mpMetaFile;
+    mpMetaFile = nullptr;
+
+    tools::PolyPolygon aPolyPoly( LogicToPixel( rPolyPoly ) );
+    tools::Rectangle aPolyRect( aPolyPoly.GetBoundRect() );
+    tools::Rectangle aDstRect( Point(), GetOutputSizePixel() );
+
+    aDstRect.Intersection( aPolyRect );
+
+    ClipToPaintRegion( aDstRect );
+
+    if( !aDstRect.IsEmpty() )
+    {
+        bool bDrawn = false;
+
+        // #i66849# Added fast path for exactly rectangular
+        // polygons
+        // #i83087# Naturally, system alpha blending cannot
+        // work with separate alpha VDev
+        if( !mpAlphaVDev && aPolyPoly.IsRect() )
+        {
+            // setup Graphics only here (other cases delegate
+            // to basic OutDev methods)
+            if ( mbInitClipRegion )
+                InitClipRegion();
+
+            if ( mbInitLineColor )
+                InitLineColor();
+
+            if ( mbInitFillColor )
+                InitFillColor();
+
+            tools::Rectangle aLogicPolyRect( rPolyPoly.GetBoundRect() );
+            tools::Rectangle aPixelRect( ImplLogicToDevicePixel( aLogicPolyRect ) );
+
+            if( !mbOutputClipped )
+            {
+                bDrawn = mpGraphics->DrawAlphaRect( aPixelRect.Left(), aPixelRect.Top(),
+                    // #i98405# use methods with small g, else one pixel too much will be painted.
+                    // This is because the source is a polygon which when painted would not paint
+                    // the rightmost and lowest pixel line(s), so use one pixel less for the
+                    // rectangle, too.
+                                                    aPixelRect.getWidth(), aPixelRect.getHeight(),
+                                                    sal::static_int_cast<sal_uInt8>(nTransparencePercent),
+                                                    *this );
+            }
+            else
+            {
+                bDrawn = true;
+            }
+        }
+
+        if( !bDrawn )
+        {
+            ScopedVclPtrInstance< VirtualDevice > aVDev(*this);
+            const Size aDstSz( aDstRect.GetSize() );
+            const sal_uInt8 cTrans = static_cast<sal_uInt8>(MinMax( FRound( nTransparencePercent * 2.55 ), 0, 255 ));
+
+            if( aDstRect.Left() || aDstRect.Top() )
+                aPolyPoly.Move( -aDstRect.Left(), -aDstRect.Top() );
+
+            if( aVDev->SetOutputSizePixel( aDstSz ) )
+            {
+                const bool bOldMap = mbMap;
+
+                EnableMapMode( false );
+
+                aVDev->SetLineColor( COL_BLACK );
+                aVDev->SetFillColor( COL_BLACK );
+                aVDev->DrawPolyPolygon( aPolyPoly );
+
+                Bitmap aPaint( GetBitmap( aDstRect.TopLeft(), aDstSz ) );
+                Bitmap aPolyMask( aVDev->GetBitmap( Point(), aDstSz ) );
+
+                // #107766# check for non-empty bitmaps before accessing them
+                if( !aPaint.IsEmpty() && !aPolyMask.IsEmpty() )
+                {
+                    BitmapScopedWriteAccess pW(aPaint);
+                    Bitmap::ScopedReadAccess pR(aPolyMask);
+
+                    if( pW && pR )
+                    {
+                        BitmapColor aPixCol;
+                        const BitmapColor aFillCol( GetFillColor() );
+                        const BitmapColor aBlack( pR->GetBestMatchingColor( COL_BLACK ) );
+                        const tools::Long nWidth = pW->Width();
+                        const tools::Long nHeight = pW->Height();
+                        const tools::Long nR = aFillCol.GetRed();
+                        const tools::Long nG = aFillCol.GetGreen();
+                        const tools::Long nB = aFillCol.GetBlue();
+                        tools::Long nX, nY;
+
+                        if (vcl::isPalettePixelFormat(aPaint.getPixelFormat()))
+                        {
+                            const BitmapPalette& rPal = pW->GetPalette();
+                            const sal_uInt16 nCount = rPal.GetEntryCount();
+                            std::unique_ptr<sal_uInt8[]> xMap(new sal_uInt8[ nCount * sizeof( BitmapColor )]);
+                            BitmapColor* pMap = reinterpret_cast<BitmapColor*>(xMap.get());
+
+                            for( sal_uInt16 i = 0; i < nCount; i++ )
+                            {
+                                BitmapColor aCol( rPal[ i ] );
+                                aCol.Merge( aFillCol, cTrans );
+                                pMap[ i ] = BitmapColor( static_cast<sal_uInt8>(rPal.GetBestIndex( aCol )) );
+                            }
+
+                            if( pR->GetScanlineFormat() == ScanlineFormat::N1BitMsbPal &&
+                                pW->GetScanlineFormat() == ScanlineFormat::N8BitPal )
+                            {
+                                const sal_uInt8 cBlack = aBlack.GetIndex();
+
+                                for( nY = 0; nY < nHeight; nY++ )
+                                {
+                                    Scanline pWScan = pW->GetScanline( nY );
+                                    Scanline pRScan = pR->GetScanline( nY );
+                                    sal_uInt8 cBit = 128;
+
+                                    for( nX = 0; nX < nWidth; nX++, cBit >>= 1, pWScan++ )
+                                    {
+                                        if( !cBit )
+                                        {
+                                            cBit = 128;
+                                            pRScan += 1;
+                                        }
+                                        if( ( *pRScan & cBit ) == cBlack )
+                                        {
+                                            *pWScan = pMap[ *pWScan ].GetIndex();
+                                        }
+                                    }
+                                }
+                            }
+                            else
+                            {
+                                for( nY = 0; nY < nHeight; nY++ )
+                                {
+                                    Scanline pScanline = pW->GetScanline(nY);
+                                    Scanline pScanlineRead = pR->GetScanline(nY);
+                                    for( nX = 0; nX < nWidth; nX++ )
+                                    {
+                                        if( pR->GetPixelFromData( pScanlineRead, nX ) == aBlack )
+                                        {
+                                            pW->SetPixelOnData( pScanline, nX, pMap[ pW->GetIndexFromData( pScanline, nX ) ] );
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                        else
+                        {
+                            if( pR->GetScanlineFormat() == ScanlineFormat::N1BitMsbPal &&
+                                pW->GetScanlineFormat() == ScanlineFormat::N24BitTcBgr )
+                            {
+                                const sal_uInt8 cBlack = aBlack.GetIndex();
+
+                                for( nY = 0; nY < nHeight; nY++ )
+                                {
+                                    Scanline pWScan = pW->GetScanline( nY );
+                                    Scanline pRScan = pR->GetScanline( nY );
+                                    sal_uInt8 cBit = 128;
+
+                                    for( nX = 0; nX < nWidth; nX++, cBit >>= 1, pWScan += 3 )
+                                    {
+                                        if( !cBit )
+                                        {
+                                            cBit = 128;
+                                            pRScan += 1;
+                                        }
+                                        if( ( *pRScan & cBit ) == cBlack )
+                                        {
+                                            pWScan[ 0 ] = color::ColorChannelMerge( pWScan[ 0 ], nB, cTrans );
+                                            pWScan[ 1 ] = color::ColorChannelMerge( pWScan[ 1 ], nG, cTrans );
+                                            pWScan[ 2 ] = color::ColorChannelMerge( pWScan[ 2 ], nR, cTrans );
+                                        }
+                                    }
+                                }
+                            }
+                            else
+                            {
+                                for( nY = 0; nY < nHeight; nY++ )
+                                {
+                                    Scanline pScanline = pW->GetScanline(nY);
+                                    Scanline pScanlineRead = pR->GetScanline(nY);
+                                    for( nX = 0; nX < nWidth; nX++ )
+                                    {
+                                        if( pR->GetPixelFromData( pScanlineRead, nX ) == aBlack )
+                                        {
+                                            aPixCol = pW->GetColor( nY, nX );
+                                            aPixCol.Merge(aFillCol, cTrans);
+                                            pW->SetPixelOnData(pScanline, nX, aPixCol);
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+
+                    pR.reset();
+                    pW.reset();
+
+                    DrawBitmap( aDstRect.TopLeft(), aPaint );
+
+                    EnableMapMode( bOldMap );
+
+                    if( mbLineColor )
+                    {
+                        Push( vcl::PushFlags::FILLCOLOR );
+                        SetFillColor();
+                        DrawPolyPolygon( rPolyPoly );
+                        Pop();
+                    }
+                }
+            }
+            else
+            {
+                DrawPolyPolygon( rPolyPoly );
+            }
+        }
+    }
+
+    mpMetaFile = pOldMetaFile;
+
+    // #110958# Restore disabled alpha VDev
+    mpAlphaVDev = pOldAlphaVDev;
+}
+
+void OutputDevice::DrawTransparent( const tools::PolyPolygon& rPolyPoly,
+                                    sal_uInt16 nTransparencePercent )
+{
+    assert(!is_double_buffered_window());
+
+    // short circuit for drawing an opaque polygon
+    if( (nTransparencePercent < 1) || (mnDrawMode & DrawModeFlags::NoTransparency) )
+    {
+        DrawPolyPolygon( rPolyPoly );
+        return;
+    }
+
+    // short circuit for drawing an invisible polygon
+    if( (!mbFillColor && !mbLineColor) || (nTransparencePercent >= 100) )
+        return; // tdf#84294: do not record it in metafile
+
+    // handle metafile recording
+    if( mpMetaFile )
+        mpMetaFile->AddAction( new MetaTransparentAction( rPolyPoly, nTransparencePercent ) );
+
+    bool bDrawn = !IsDeviceOutputNecessary() || ImplIsRecordLayout();
+    if( bDrawn )
+        return;
+
+    // get the device graphics as drawing target
+    if( !mpGraphics && !AcquireGraphics() )
+        return;
+    assert(mpGraphics);
+
+    // try hard to draw it directly, because the emulation layers are slower
+    bDrawn = DrawTransparentNatively( rPolyPoly, nTransparencePercent );
+
+    if (!bDrawn)
+        EmulateDrawTransparent( rPolyPoly, nTransparencePercent );
+
+    // #110958# Apply alpha value also to VDev alpha channel
+    if( mpAlphaVDev )
+    {
+        const Color aFillCol( mpAlphaVDev->GetFillColor() );
+        mpAlphaVDev->SetFillColor( Color(sal::static_int_cast<sal_uInt8>(255*nTransparencePercent/100),
+                                         sal::static_int_cast<sal_uInt8>(255*nTransparencePercent/100),
+                                         sal::static_int_cast<sal_uInt8>(255*nTransparencePercent/100)) );
+
+        mpAlphaVDev->DrawTransparent( rPolyPoly, nTransparencePercent );
+
+        mpAlphaVDev->SetFillColor( aFillCol );
+    }
+}
+
+void OutputDevice::DrawTransparent( const GDIMetaFile& rMtf, const Point& rPos,
+                                    const Size& rSize, const Gradient& rTransparenceGradient )
+{
+    assert(!is_double_buffered_window());
+
+    const Color aBlack( COL_BLACK );
+
+    if( mpMetaFile )
+    {
+         // missing here is to map the data using the DeviceTransformation
+        mpMetaFile->AddAction( new MetaFloatTransparentAction( rMtf, rPos, rSize, rTransparenceGradient ) );
+    }
+
+    if ( !IsDeviceOutputNecessary() )
+        return;
+
+    if( ( rTransparenceGradient.GetStartColor() == aBlack && rTransparenceGradient.GetEndColor() == aBlack ) ||
+        ( mnDrawMode & DrawModeFlags::NoTransparency ) )
+    {
+        const_cast<GDIMetaFile&>(rMtf).WindStart();
+        const_cast<GDIMetaFile&>(rMtf).Play(*this, rPos, rSize);
+        const_cast<GDIMetaFile&>(rMtf).WindStart();
+    }
+    else
+    {
+        GDIMetaFile* pOldMetaFile = mpMetaFile;
+        tools::Rectangle aOutRect( LogicToPixel( rPos ), LogicToPixel( rSize ) );
+        Point aPoint;
+        tools::Rectangle aDstRect( aPoint, GetOutputSizePixel() );
+
+        mpMetaFile = nullptr;
+        aDstRect.Intersection( aOutRect );
+
+        ClipToPaintRegion( aDstRect );
+
+        if( !aDstRect.IsEmpty() )
+        {
+            // Create transparent buffer
+            ScopedVclPtrInstance<VirtualDevice> xVDev(DeviceFormat::DEFAULT, DeviceFormat::DEFAULT);
+
+            xVDev->mnDPIX = mnDPIX;
+            xVDev->mnDPIY = mnDPIY;
+
+            if( xVDev->SetOutputSizePixel( aDstRect.GetSize() ) )
+            {
+                if(GetAntialiasing() != AntialiasingFlags::NONE)
+                {
+                    // #i102109#
+                    // For MetaFile replay (see task) it may now be necessary to take
+                    // into account that the content is AntiAlialiased and needs to be masked
+                    // like that. Instead of masking, i will use a copy-modify-paste cycle
+                    // here (as i already use in the VclPrimiziveRenderer with success)
+                    xVDev->SetAntialiasing(GetAntialiasing());
+
+                    // create MapMode for buffer (offset needed) and set
+                    MapMode aMap(GetMapMode());
+                    const Point aOutPos(PixelToLogic(aDstRect.TopLeft()));
+                    aMap.SetOrigin(Point(-aOutPos.X(), -aOutPos.Y()));
+                    xVDev->SetMapMode(aMap);
+
+                    // copy MapMode state and disable for target
+                    const bool bOrigMapModeEnabled(IsMapModeEnabled());
+                    EnableMapMode(false);
+
+                    // copy MapMode state and disable for buffer
+                    const bool bBufferMapModeEnabled(xVDev->IsMapModeEnabled());
+                    xVDev->EnableMapMode(false);
+
+                    // copy content from original to buffer
+                    xVDev->DrawOutDev( aPoint, xVDev->GetOutputSizePixel(), // dest
+                                       aDstRect.TopLeft(), xVDev->GetOutputSizePixel(), // source
+                                       *this);
+
+                    // draw MetaFile to buffer
+                    xVDev->EnableMapMode(bBufferMapModeEnabled);
+                    const_cast<GDIMetaFile&>(rMtf).WindStart();
+                    const_cast<GDIMetaFile&>(rMtf).Play(*xVDev, rPos, rSize);
+                    const_cast<GDIMetaFile&>(rMtf).WindStart();
+
+                    // get content bitmap from buffer
+                    xVDev->EnableMapMode(false);
+
+                    const Bitmap aPaint(xVDev->GetBitmap(aPoint, xVDev->GetOutputSizePixel()));
+
+                    // create alpha mask from gradient and get as Bitmap
+                    xVDev->EnableMapMode(bBufferMapModeEnabled);
+                    xVDev->SetDrawMode(DrawModeFlags::GrayGradient);
+                    xVDev->DrawGradient(tools::Rectangle(rPos, rSize), rTransparenceGradient);
+                    xVDev->SetDrawMode(DrawModeFlags::Default);
+                    xVDev->EnableMapMode(false);
+
+                    const AlphaMask aAlpha(xVDev->GetBitmap(aPoint, xVDev->GetOutputSizePixel()));
+
+                    xVDev.disposeAndClear();
+
+                    // draw masked content to target and restore MapMode
+                    DrawBitmapEx(aDstRect.TopLeft(), BitmapEx(aPaint, aAlpha));
+                    EnableMapMode(bOrigMapModeEnabled);
+                }
+                else
+                {
+                    MapMode aMap( GetMapMode() );
+                    Point aOutPos( PixelToLogic( aDstRect.TopLeft() ) );
+                    const bool bOldMap = mbMap;
+
+                    aMap.SetOrigin( Point( -aOutPos.X(), -aOutPos.Y() ) );
+                    xVDev->SetMapMode( aMap );
+                    const bool bVDevOldMap = xVDev->IsMapModeEnabled();
+
+                    // create paint bitmap
+                    const_cast<GDIMetaFile&>(rMtf).WindStart();
+                    const_cast<GDIMetaFile&>(rMtf).Play(*xVDev, rPos, rSize);
+                    const_cast<GDIMetaFile&>(rMtf).WindStart();
+                    xVDev->EnableMapMode( false );
+                    BitmapEx aPaint = xVDev->GetBitmapEx(Point(), xVDev->GetOutputSizePixel());
+                    xVDev->EnableMapMode( bVDevOldMap ); // #i35331#: MUST NOT use EnableMapMode( sal_True ) here!
+
+                    // create alpha mask from gradient
+                    xVDev->SetDrawMode( DrawModeFlags::GrayGradient );
+                    xVDev->DrawGradient( tools::Rectangle( rPos, rSize ), rTransparenceGradient );
+                    xVDev->SetDrawMode( DrawModeFlags::Default );
+                    xVDev->EnableMapMode( false );
+
+                    AlphaMask aAlpha(xVDev->GetBitmap(Point(), xVDev->GetOutputSizePixel()));
+                    aAlpha.BlendWith(aPaint.GetAlpha());
+
+                    xVDev.disposeAndClear();
+
+                    EnableMapMode( false );
+                    DrawBitmapEx(aDstRect.TopLeft(), BitmapEx(aPaint.GetBitmap(), aAlpha));
+                    EnableMapMode( bOldMap );
+                }
+            }
+        }
+
+        mpMetaFile = pOldMetaFile;
+    }
+}
+
+typedef ::std::pair< MetaAction*, int > Component; // MetaAction plus index in metafile
+
+namespace {
+
+// List of (intersecting) actions, plus overall bounds
+struct ConnectedComponents
+{
+    ConnectedComponents() :
+        aComponentList(),
+        aBounds(),
+        aBgColor(COL_WHITE),
+        bIsSpecial(false),
+        bIsFullyTransparent(false)
+    {}
+
+    ::std::list< Component > aComponentList;
+    tools::Rectangle       aBounds;
+    Color           aBgColor;
+    bool            bIsSpecial;
+    bool            bIsFullyTransparent;
+};
+
+}
+
+namespace {
+
+/** Determines whether the action can handle transparency correctly
+  (i.e. when painted on white background, does the action still look
+  correct)?
+ */
+bool DoesActionHandleTransparency( const MetaAction& rAct )
+{
+    // MetaActionType::FLOATTRANSPARENT can contain a whole metafile,
+    // which is to be rendered with the given transparent gradient. We
+    // currently cannot emulate transparent painting on a white
+    // background reliably.
+
+    // the remainder can handle printing itself correctly on a uniform
+    // white background.
+    switch( rAct.GetType() )
+    {
+        case MetaActionType::Transparent:
+        case MetaActionType::BMPEX:
+        case MetaActionType::BMPEXSCALE:
+        case MetaActionType::BMPEXSCALEPART:
+            return true;
+
+        default:
+            return false;
+    }
+}
+
+bool doesRectCoverWithUniformColor(
+        tools::Rectangle const & rPrevRect,
+        tools::Rectangle const & rCurrRect,
+        OutputDevice const & rMapModeVDev)
+{
+    // shape needs to fully cover previous content, and have uniform
+    // color
+    return (rMapModeVDev.LogicToPixel(rCurrRect).Contains(rPrevRect) &&
+        rMapModeVDev.IsFillColor());
+}
+
+/** Check whether rCurrRect rectangle fully covers io_rPrevRect - if
+    yes, return true and update o_rBgColor
+ */
+bool checkRect( tools::Rectangle&       io_rPrevRect,
+                       Color&           o_rBgColor,
+                       const tools::Rectangle& rCurrRect,
+                       OutputDevice const &    rMapModeVDev )
+{
+    bool bRet = doesRectCoverWithUniformColor(io_rPrevRect, rCurrRect, rMapModeVDev);
+
+    if( bRet )
+    {
+        io_rPrevRect = rCurrRect;
+        o_rBgColor = rMapModeVDev.GetFillColor();
+    }
+
+    return bRet;
+}
+
+/** #107169# Convert BitmapEx to Bitmap with appropriately blended
+    color. Convert MetaTransparentAction to plain polygon,
+    appropriately colored
+
+    @param o_rMtf
+    Add converted actions to this metafile
+*/
+void ImplConvertTransparentAction( GDIMetaFile&        o_rMtf,
+                                   const MetaAction&   rAct,
+                                   const OutputDevice& rStateOutDev,
+                                   Color               aBgColor )
+{
+    if (rAct.GetType() == MetaActionType::Transparent)
+    {
+        const MetaTransparentAction* pTransAct = static_cast<const MetaTransparentAction*>(&rAct);
+        sal_uInt16 nTransparency( pTransAct->GetTransparence() );
+
+        // #i10613# Respect transparency for draw color
+        if (nTransparency)
+        {
+            o_rMtf.AddAction(new MetaPushAction(vcl::PushFlags::LINECOLOR|vcl::PushFlags::FILLCOLOR));
+
+            // assume white background for alpha blending
+            Color aLineColor(rStateOutDev.GetLineColor());
+            aLineColor.SetRed(static_cast<sal_uInt8>((255*nTransparency + (100 - nTransparency) * aLineColor.GetRed()) / 100));
+            aLineColor.SetGreen(static_cast<sal_uInt8>((255*nTransparency + (100 - nTransparency) * aLineColor.GetGreen()) / 100));
+            aLineColor.SetBlue(static_cast<sal_uInt8>((255*nTransparency + (100 - nTransparency) * aLineColor.GetBlue()) / 100));
+            o_rMtf.AddAction(new MetaLineColorAction(aLineColor, true));
+
+            Color aFillColor(rStateOutDev.GetFillColor());
+            aFillColor.SetRed(static_cast<sal_uInt8>((255*nTransparency + (100 - nTransparency)*aFillColor.GetRed()) / 100));
+            aFillColor.SetGreen(static_cast<sal_uInt8>((255*nTransparency + (100 - nTransparency)*aFillColor.GetGreen()) / 100));
+            aFillColor.SetBlue(static_cast<sal_uInt8>((255*nTransparency + (100 - nTransparency)*aFillColor.GetBlue()) / 100));
+            o_rMtf.AddAction(new MetaFillColorAction(aFillColor, true));
+        }
+
+        o_rMtf.AddAction(new MetaPolyPolygonAction(pTransAct->GetPolyPolygon()));
+
+        if(nTransparency)
+            o_rMtf.AddAction(new MetaPopAction());
+    }
+    else
+    {
+        BitmapEx aBmpEx;
+
+        switch (rAct.GetType())
+        {
+            case MetaActionType::BMPEX:
+                aBmpEx = static_cast<const MetaBmpExAction&>(rAct).GetBitmapEx();
+                break;
+
+            case MetaActionType::BMPEXSCALE:
+                aBmpEx = static_cast<const MetaBmpExScaleAction&>(rAct).GetBitmapEx();
+                break;
+
+            case MetaActionType::BMPEXSCALEPART:
+                aBmpEx = static_cast<const MetaBmpExScaleAction&>(rAct).GetBitmapEx();
+                break;
+
+            case MetaActionType::Transparent:
+
+            default:
+                OSL_FAIL("Printer::GetPreparedMetafile impossible state reached");
+                break;
+        }
+
+        Bitmap aBmp(aBmpEx.GetBitmap());
+        if (aBmpEx.IsAlpha())
+        {
+            // blend with alpha channel
+            aBmp.Convert(BmpConversion::N24Bit);
+            aBmp.Blend(aBmpEx.GetAlpha(), aBgColor);
+        }
+
+        // add corresponding action
+        switch (rAct.GetType())
+        {
+            case MetaActionType::BMPEX:
+                o_rMtf.AddAction(new MetaBmpAction(
+                                       static_cast<const MetaBmpExAction&>(rAct).GetPoint(),
+                                       aBmp));
+                break;
+            case MetaActionType::BMPEXSCALE:
+                o_rMtf.AddAction(new MetaBmpScaleAction(
+                                       static_cast<const MetaBmpExScaleAction&>(rAct).GetPoint(),
+                                       static_cast<const MetaBmpExScaleAction&>(rAct).GetSize(),
+                                       aBmp));
+                break;
+            case MetaActionType::BMPEXSCALEPART:
+                o_rMtf.AddAction(new MetaBmpScalePartAction(
+                                       static_cast<const MetaBmpExScalePartAction&>(rAct).GetDestPoint(),
+                                       static_cast<const MetaBmpExScalePartAction&>(rAct).GetDestSize(),
+                                       static_cast<const MetaBmpExScalePartAction&>(rAct).GetSrcPoint(),
+                                       static_cast<const MetaBmpExScalePartAction&>(rAct).GetSrcSize(),
+                                       aBmp));
+                break;
+            default:
+                OSL_FAIL("Unexpected case");
+                break;
+        }
+    }
+}
+
+// #i10613# Extracted from ImplCheckRect::ImplCreate
+// Returns true, if given action creates visible (i.e. non-transparent) output
+bool ImplIsNotTransparent( const MetaAction& rAct, const OutputDevice& rOut )
+{
+    const bool  bLineTransparency( !rOut.IsLineColor() || rOut.GetLineColor().IsFullyTransparent() );
+    const bool  bFillTransparency( !rOut.IsFillColor() || rOut.GetFillColor().IsFullyTransparent() );
+    bool        bRet( false );
+
+    switch( rAct.GetType() )
+    {
+        case MetaActionType::POINT:
+            if( !bLineTransparency )
+                bRet = true;
+            break;
+
+        case MetaActionType::LINE:
+            if( !bLineTransparency )
+                bRet = true;
+            break;
+
+        case MetaActionType::RECT:
+            if( !bLineTransparency || !bFillTransparency )
+                bRet = true;
+            break;
+
+        case MetaActionType::ROUNDRECT:
+            if( !bLineTransparency || !bFillTransparency )
+                bRet = true;
+            break;
+
+        case MetaActionType::ELLIPSE:
+            if( !bLineTransparency || !bFillTransparency )
+                bRet = true;
+            break;
+
+        case MetaActionType::ARC:
+            if( !bLineTransparency || !bFillTransparency )
+                bRet = true;
+            break;
+
+        case MetaActionType::PIE:
+            if( !bLineTransparency || !bFillTransparency )
+                bRet = true;
+            break;
+
+        case MetaActionType::CHORD:
+            if( !bLineTransparency || !bFillTransparency )
+                bRet = true;
+            break;
+
+        case MetaActionType::POLYLINE:
+            if( !bLineTransparency )
+                bRet = true;
+            break;
+
+        case MetaActionType::POLYGON:
+            if( !bLineTransparency || !bFillTransparency )
+                bRet = true;
+            break;
+
+        case MetaActionType::POLYPOLYGON:
+            if( !bLineTransparency || !bFillTransparency )
+                bRet = true;
+            break;
+
+        case MetaActionType::TEXT:
+        {
+            const MetaTextAction& rTextAct = static_cast<const MetaTextAction&>(rAct);
+            const OUString aString( rTextAct.GetText().copy(rTextAct.GetIndex(), rTextAct.GetLen()) );
+            if (!aString.isEmpty())
+                bRet = true;
+        }
+        break;
+
+        case MetaActionType::TEXTARRAY:
+        {
+            const MetaTextArrayAction& rTextAct = static_cast<const MetaTextArrayAction&>(rAct);
+            const OUString aString( rTextAct.GetText().copy(rTextAct.GetIndex(), rTextAct.GetLen()) );
+            if (!aString.isEmpty())
+                bRet = true;
+        }
+        break;
+
+        case MetaActionType::PIXEL:
+        case MetaActionType::BMP:
+        case MetaActionType::BMPSCALE:
+        case MetaActionType::BMPSCALEPART:
+        case MetaActionType::BMPEX:
+        case MetaActionType::BMPEXSCALE:
+        case MetaActionType::BMPEXSCALEPART:
+        case MetaActionType::MASK:
+        case MetaActionType::MASKSCALE:
+        case MetaActionType::MASKSCALEPART:
+        case MetaActionType::GRADIENT:
+        case MetaActionType::GRADIENTEX:
+        case MetaActionType::HATCH:
+        case MetaActionType::WALLPAPER:
+        case MetaActionType::Transparent:
+        case MetaActionType::FLOATTRANSPARENT:
+        case MetaActionType::EPS:
+        case MetaActionType::TEXTRECT:
+        case MetaActionType::STRETCHTEXT:
+        case MetaActionType::TEXTLINE:
+            // all other actions: generate non-transparent output
+            bRet = true;
+            break;
+
+        default:
+            break;
+    }
+
+    return bRet;
+}
+
+// #i10613# Extracted from ImplCheckRect::ImplCreate
+tools::Rectangle ImplCalcActionBounds( const MetaAction& rAct, const OutputDevice& rOut )
+{
+    tools::Rectangle aActionBounds;
+
+    switch( rAct.GetType() )
+    {
+        case MetaActionType::PIXEL:
+            aActionBounds = tools::Rectangle( static_cast<const MetaPixelAction&>(rAct).GetPoint(), Size( 1, 1 ) );
+            break;
+
+        case MetaActionType::POINT:
+            aActionBounds = tools::Rectangle( static_cast<const MetaPointAction&>(rAct).GetPoint(), Size( 1, 1 ) );
+            break;
+
+        case MetaActionType::LINE:
+        {
+            const MetaLineAction& rMetaLineAction = static_cast<const MetaLineAction&>(rAct);
+            aActionBounds = tools::Rectangle( rMetaLineAction.GetStartPoint(),  rMetaLineAction.GetEndPoint() );
+            aActionBounds.Justify();
+            const tools::Long nLineWidth(rMetaLineAction.GetLineInfo().GetWidth());
+            if(nLineWidth)
+            {
+                const tools::Long nHalfLineWidth((nLineWidth + 1) / 2);
+                aActionBounds.AdjustLeft( -nHalfLineWidth );
+                aActionBounds.AdjustTop( -nHalfLineWidth );
+                aActionBounds.AdjustRight(nHalfLineWidth );
+                aActionBounds.AdjustBottom(nHalfLineWidth );
+            }
+            break;
+        }
+
+        case MetaActionType::RECT:
+            aActionBounds = static_cast<const MetaRectAction&>(rAct).GetRect();
+            break;
+
+        case MetaActionType::ROUNDRECT:
+            aActionBounds = tools::Polygon( static_cast<const MetaRoundRectAction&>(rAct).GetRect(),
+                                            static_cast<const MetaRoundRectAction&>(rAct).GetHorzRound(),
+                                            static_cast<const MetaRoundRectAction&>(rAct).GetVertRound() ).GetBoundRect();
+            break;
+
+        case MetaActionType::ELLIPSE:
+        {
+            const tools::Rectangle& rRect = static_cast<const MetaEllipseAction&>(rAct).GetRect();
+            aActionBounds = tools::Polygon( rRect.Center(),
+                                            rRect.GetWidth() >> 1,
+                                            rRect.GetHeight() >> 1 ).GetBoundRect();
+            break;
+        }
+
+        case MetaActionType::ARC:
+            aActionBounds = tools::Polygon( static_cast<const MetaArcAction&>(rAct).GetRect(),
+                                            static_cast<const MetaArcAction&>(rAct).GetStartPoint(),
+                                            static_cast<const MetaArcAction&>(rAct).GetEndPoint(), PolyStyle::Arc ).GetBoundRect();
+            break;
+
+        case MetaActionType::PIE:
+            aActionBounds = tools::Polygon( static_cast<const MetaPieAction&>(rAct).GetRect(),
+                                            static_cast<const MetaPieAction&>(rAct).GetStartPoint(),
+                                            static_cast<const MetaPieAction&>(rAct).GetEndPoint(), PolyStyle::Pie ).GetBoundRect();
+            break;
+
+        case MetaActionType::CHORD:
+            aActionBounds = tools::Polygon( static_cast<const MetaChordAction&>(rAct).GetRect(),
+                                            static_cast<const MetaChordAction&>(rAct).GetStartPoint(),
+                                            static_cast<const MetaChordAction&>(rAct).GetEndPoint(), PolyStyle::Chord ).GetBoundRect();
+            break;
+
+        case MetaActionType::POLYLINE:
+        {
+            const MetaPolyLineAction& rMetaPolyLineAction = static_cast<const MetaPolyLineAction&>(rAct);
+            aActionBounds = rMetaPolyLineAction.GetPolygon().GetBoundRect();
+            const tools::Long nLineWidth(rMetaPolyLineAction.GetLineInfo().GetWidth());
+            if(nLineWidth)
+            {
+                const tools::Long nHalfLineWidth((nLineWidth + 1) / 2);
+                aActionBounds.AdjustLeft( -nHalfLineWidth );
+                aActionBounds.AdjustTop( -nHalfLineWidth );
+                aActionBounds.AdjustRight(nHalfLineWidth );
+                aActionBounds.AdjustBottom(nHalfLineWidth );
+            }
+            break;
+        }
+
+        case MetaActionType::POLYGON:
+            aActionBounds = static_cast<const MetaPolygonAction&>(rAct).GetPolygon().GetBoundRect();
+            break;
+
+        case MetaActionType::POLYPOLYGON:
+            aActionBounds = static_cast<const MetaPolyPolygonAction&>(rAct).GetPolyPolygon().GetBoundRect();
+            break;
+
+        case MetaActionType::BMP:
+            aActionBounds = tools::Rectangle( static_cast<const MetaBmpAction&>(rAct).GetPoint(),
+                                       rOut.PixelToLogic( static_cast<const MetaBmpAction&>(rAct).GetBitmap().GetSizePixel() ) );
+            break;
+
+        case MetaActionType::BMPSCALE:
+            aActionBounds = tools::Rectangle( static_cast<const MetaBmpScaleAction&>(rAct).GetPoint(),
+                                       static_cast<const MetaBmpScaleAction&>(rAct).GetSize() );
+            break;
+
+        case MetaActionType::BMPSCALEPART:
+            aActionBounds = tools::Rectangle( static_cast<const MetaBmpScalePartAction&>(rAct).GetDestPoint(),
+                                       static_cast<const MetaBmpScalePartAction&>(rAct).GetDestSize() );
+            break;
+
+        case MetaActionType::BMPEX:
+            aActionBounds = tools::Rectangle( static_cast<const MetaBmpExAction&>(rAct).GetPoint(),
+                                       rOut.PixelToLogic( static_cast<const MetaBmpExAction&>(rAct).GetBitmapEx().GetSizePixel() ) );
+            break;
+
+        case MetaActionType::BMPEXSCALE:
+            aActionBounds = tools::Rectangle( static_cast<const MetaBmpExScaleAction&>(rAct).GetPoint(),
+                                       static_cast<const MetaBmpExScaleAction&>(rAct).GetSize() );
+            break;
+
+        case MetaActionType::BMPEXSCALEPART:
+            aActionBounds = tools::Rectangle( static_cast<const MetaBmpExScalePartAction&>(rAct).GetDestPoint(),
+                                       static_cast<const MetaBmpExScalePartAction&>(rAct).GetDestSize() );
+            break;
+
+        case MetaActionType::MASK:
+            aActionBounds = tools::Rectangle( static_cast<const MetaMaskAction&>(rAct).GetPoint(),
+                                       rOut.PixelToLogic( static_cast<const MetaMaskAction&>(rAct).GetBitmap().GetSizePixel() ) );
+            break;
+
+        case MetaActionType::MASKSCALE:
+            aActionBounds = tools::Rectangle( static_cast<const MetaMaskScaleAction&>(rAct).GetPoint(),
+                                       static_cast<const MetaMaskScaleAction&>(rAct).GetSize() );
+            break;
+
+        case MetaActionType::MASKSCALEPART:
+            aActionBounds = tools::Rectangle( static_cast<const MetaMaskScalePartAction&>(rAct).GetDestPoint(),
+                                       static_cast<const MetaMaskScalePartAction&>(rAct).GetDestSize() );
+            break;
+
+        case MetaActionType::GRADIENT:
+            aActionBounds = static_cast<const MetaGradientAction&>(rAct).GetRect();
+            break;
+
+        case MetaActionType::GRADIENTEX:
+            aActionBounds = static_cast<const MetaGradientExAction&>(rAct).GetPolyPolygon().GetBoundRect();
+            break;
+
+        case MetaActionType::HATCH:
+            aActionBounds = static_cast<const MetaHatchAction&>(rAct).GetPolyPolygon().GetBoundRect();
+            break;
+
+        case MetaActionType::WALLPAPER:
+            aActionBounds = static_cast<const MetaWallpaperAction&>(rAct).GetRect();
+            break;
+
+        case MetaActionType::Transparent:
+            aActionBounds = static_cast<const MetaTransparentAction&>(rAct).GetPolyPolygon().GetBoundRect();
+            break;
+
+        case MetaActionType::FLOATTRANSPARENT:
+            aActionBounds = tools::Rectangle( static_cast<const MetaFloatTransparentAction&>(rAct).GetPoint(),
+                                       static_cast<const MetaFloatTransparentAction&>(rAct).GetSize() );
+            break;
+
+        case MetaActionType::EPS:
+            aActionBounds = tools::Rectangle( static_cast<const MetaEPSAction&>(rAct).GetPoint(),
+                                       static_cast<const MetaEPSAction&>(rAct).GetSize() );
+            break;
+
+        case MetaActionType::TEXT:
+        {
+            const MetaTextAction& rTextAct = static_cast<const MetaTextAction&>(rAct);
+            const OUString aString( rTextAct.GetText().copy(rTextAct.GetIndex(), rTextAct.GetLen()) );
+
+            if (!aString.isEmpty())
+            {
+                const Point aPtLog( rTextAct.GetPoint() );
+
+                // #105987# Use API method instead of Impl* methods
+                // #107490# Set base parameter equal to index parameter
+                rOut.GetTextBoundRect( aActionBounds, rTextAct.GetText(), rTextAct.GetIndex(),
+                                       rTextAct.GetIndex(), rTextAct.GetLen() );
+                aActionBounds.Move( aPtLog.X(), aPtLog.Y() );
+            }
+        }
+        break;
+
+        case MetaActionType::TEXTARRAY:
+        {
+            const MetaTextArrayAction&  rTextAct = static_cast<const MetaTextArrayAction&>(rAct);
+            const OUString              aString( rTextAct.GetText().copy(rTextAct.GetIndex(), rTextAct.GetLen()) );
+
+            if( !aString.isEmpty() )
+            {
+                // #105987# ImplLayout takes everything in logical coordinates
+                std::unique_ptr<SalLayout> pSalLayout = rOut.ImplLayout( rTextAct.GetText(), rTextAct.GetIndex(),
+                                                         rTextAct.GetLen(), rTextAct.GetPoint(),
+                                                         0, rTextAct.GetDXArray());
+                if( pSalLayout )
+                {
+                    tools::Rectangle aBoundRect( rOut.ImplGetTextBoundRect( *pSalLayout ) );
+                    aActionBounds = rOut.PixelToLogic( aBoundRect );
+                }
+            }
+        }
+        break;
+
+        case MetaActionType::TEXTRECT:
+            aActionBounds = static_cast<const MetaTextRectAction&>(rAct).GetRect();
+            break;
+
+        case MetaActionType::STRETCHTEXT:
+        {
+            const MetaStretchTextAction& rTextAct = static_cast<const MetaStretchTextAction&>(rAct);
+            const OUString               aString( rTextAct.GetText().copy(rTextAct.GetIndex(), rTextAct.GetLen()) );
+
+            // #i16195# Literate copy from TextArray action, the
+            // semantics for the ImplLayout call are copied from the
+            // OutDev::DrawStretchText() code. Unfortunately, also in
+            // this case, public outdev methods such as GetTextWidth()
+            // don't provide enough info.
+            if( !aString.isEmpty() )
+            {
+                // #105987# ImplLayout takes everything in logical coordinates
+                std::unique_ptr<SalLayout> pSalLayout = rOut.ImplLayout( rTextAct.GetText(), rTextAct.GetIndex(),
+                                                         rTextAct.GetLen(), rTextAct.GetPoint(),
+                                                         rTextAct.GetWidth() );
+                if( pSalLayout )
+                {
+                    tools::Rectangle aBoundRect( rOut.ImplGetTextBoundRect( *pSalLayout ) );
+                    aActionBounds = rOut.PixelToLogic( aBoundRect );
+                }
+            }
+        }
+        break;
+
+        case MetaActionType::TEXTLINE:
+            OSL_FAIL("MetaActionType::TEXTLINE not supported");
+        break;
+
+        default:
+            break;
+    }
+
+    if( !aActionBounds.IsEmpty() )
+    {
+        // fdo#40421 limit current action's output to clipped area
+        if( rOut.IsClipRegion() )
+            return rOut.LogicToPixel(
+                rOut.GetClipRegion().GetBoundRect().Intersection( aActionBounds ) );
+        else
+            return rOut.LogicToPixel( aActionBounds );
+    }
+    else
+        return tools::Rectangle();
+}
+
+} // end anon namespace
+
+// TODO: this massive function operates on metafiles, so eventually it should probably
+// be shifted to the GDIMetaFile class
+bool OutputDevice::RemoveTransparenciesFromMetaFile( const GDIMetaFile& rInMtf, GDIMetaFile& rOutMtf,
+                                                     tools::Long nMaxBmpDPIX, tools::Long nMaxBmpDPIY,
+                                                     bool bReduceTransparency, bool bTransparencyAutoMode,
+                                                     bool bDownsampleBitmaps,
+                                                     const Color& rBackground
+                                                     )
+{
+    MetaAction*             pCurrAct;
+    bool                    bTransparent( false );
+
+    rOutMtf.Clear();
+
+    if(!bReduceTransparency || bTransparencyAutoMode)
+        bTransparent = rInMtf.HasTransparentActions();
+
+    // #i10613# Determine set of connected components containing transparent objects. These are
+    // then processed as bitmaps, the original actions are removed from the metafile.
+    if( !bTransparent )
+    {
+        // nothing transparent -> just copy
+        rOutMtf = rInMtf;
+    }
+    else
+    {
+        // #i10613#
+        // This works as follows: we want a number of distinct sets of
+        // connected components, where each set contains metafile
+        // actions that are intersecting (note: there are possibly
+        // more actions contained as are directly intersecting,
+        // because we can only produce rectangular bitmaps later
+        // on. Thus, each set of connected components is the smallest
+        // enclosing, axis-aligned rectangle that completely bounds a
+        // number of intersecting metafile actions, plus any action
+        // that would otherwise be cut in two). Therefore, we
+        // iteratively add metafile actions from the original metafile
+        // to this connected components list (aCCList), by checking
+        // each element's bounding box against intersection with the
+        // metaaction at hand.
+        // All those intersecting elements are removed from aCCList
+        // and collected in a temporary list (aCCMergeList). After all
+        // elements have been checked, the aCCMergeList elements are
+        // merged with the metaaction at hand into one resulting
+        // connected component, with one big bounding box, and
+        // inserted into aCCList again.
+        // The time complexity of this algorithm is O(n^3), where n is
+        // the number of metafile actions, and it finds all distinct
+        // regions of rectangle-bounded connected components. This
+        // algorithm was designed by AF.
+
+        //  STAGE 1: Detect background
+
+        // Receives uniform background content, and is _not_ merged
+        // nor checked for intersection against other aCCList elements
+        ConnectedComponents aBackgroundComponent;
+
+        // Read the configuration value of minimal object area where transparency will be removed
+        double fReduceTransparencyMinArea = officecfg::Office::Common::VCL::ReduceTransparencyMinArea::get() / 100.0;
+        SAL_WARN_IF(fReduceTransparencyMinArea > 1.0, "vcl",
+            "Value of ReduceTransparencyMinArea config option is too high");
+        SAL_WARN_IF(fReduceTransparencyMinArea < 0.0, "vcl",
+            "Value of ReduceTransparencyMinArea config option is too low");
+        fReduceTransparencyMinArea = std::clamp(fReduceTransparencyMinArea, 0.0, 1.0);
+
+        // create an OutputDevice to record mapmode changes and the like
+        ScopedVclPtrInstance< VirtualDevice > aMapModeVDev;
+        aMapModeVDev->mnDPIX = mnDPIX;
+        aMapModeVDev->mnDPIY = mnDPIY;
+        aMapModeVDev->EnableOutput(false);
+
+        // weed out page-filling background objects (if they are
+        // uniformly coloured). Keeping them outside the other
+        // connected components often prevents whole-page bitmap
+        // generation.
+        bool bStillBackground=true; // true until first non-bg action
+        int nActionNum = 0, nLastBgAction = -1;
+        pCurrAct=const_cast<GDIMetaFile&>(rInMtf).FirstAction();
+        if( rBackground != COL_TRANSPARENT )
+        {
+            aBackgroundComponent.aBgColor = rBackground;
+            aBackgroundComponent.aBounds = GetBackgroundComponentBounds();
+        }
+        while( pCurrAct && bStillBackground )
+        {
+            switch( pCurrAct->GetType() )
+            {
+                case MetaActionType::RECT:
+                {
+                    if( !checkRect(
+                            aBackgroundComponent.aBounds,
+                            aBackgroundComponent.aBgColor,
+                            static_cast<const MetaRectAction*>(pCurrAct)->GetRect(),
+                            *aMapModeVDev) )
+                        bStillBackground=false; // incomplete occlusion of background
+                    else
+                        nLastBgAction=nActionNum; // this _is_ background
+                    break;
+                }
+                case MetaActionType::POLYGON:
+                {
+                    const tools::Polygon aPoly(
+                        static_cast<const MetaPolygonAction*>(pCurrAct)->GetPolygon());
+                    if( !basegfx::utils::isRectangle(
+                            aPoly.getB2DPolygon()) ||
+                        !checkRect(
+                            aBackgroundComponent.aBounds,
+                            aBackgroundComponent.aBgColor,
+                            aPoly.GetBoundRect(),
+                            *aMapModeVDev) )
+                        bStillBackground=false; // incomplete occlusion of background
+                    else
+                        nLastBgAction=nActionNum; // this _is_ background
+                    break;
+                }
+                case MetaActionType::POLYPOLYGON:
+                {
+                    const tools::PolyPolygon aPoly(
+                        static_cast<const MetaPolyPolygonAction*>(pCurrAct)->GetPolyPolygon());
+                    if( aPoly.Count() != 1 ||
+                        !basegfx::utils::isRectangle(
+                            aPoly[0].getB2DPolygon()) ||
+                        !checkRect(
+                            aBackgroundComponent.aBounds,
+                            aBackgroundComponent.aBgColor,
+                            aPoly.GetBoundRect(),
+                            *aMapModeVDev) )
+                        bStillBackground=false; // incomplete occlusion of background
+                    else
+                        nLastBgAction=nActionNum; // this _is_ background
+                    break;
+                }
+                case MetaActionType::WALLPAPER:
+                {
+                    if( !checkRect(
+                            aBackgroundComponent.aBounds,
+                            aBackgroundComponent.aBgColor,
+                            static_cast<const MetaWallpaperAction*>(pCurrAct)->GetRect(),
+                            *aMapModeVDev) )
+                        bStillBackground=false; // incomplete occlusion of background
+                    else
+                        nLastBgAction=nActionNum; // this _is_ background
+                    break;
+                }
+                default:
+                {
+                    if( ImplIsNotTransparent( *pCurrAct,
+                                              *aMapModeVDev ) )
+                        bStillBackground=false; // non-transparent action, possibly
+                                                // not uniform
+                    else
+                        // extend current bounds (next uniform action
+                        // needs to fully cover this area)
+                        aBackgroundComponent.aBounds.Union(
+                            ImplCalcActionBounds(*pCurrAct, *aMapModeVDev) );
+                    break;
+                }
+            }
+
+            // execute action to get correct MapModes etc.
+            pCurrAct->Execute( aMapModeVDev.get() );
+
+            pCurrAct=const_cast<GDIMetaFile&>(rInMtf).NextAction();
+            ++nActionNum;
+        }
+
+        if (nLastBgAction != -1)
+        {
+            size_t nActionSize = rInMtf.GetActionSize();
+            // tdf#134736 move nLastBgAction to also include any trailing pops
+            for (size_t nPostLastBgAction = nLastBgAction + 1; nPostLastBgAction < nActionSize; ++nPostLastBgAction)
+            {
+                if (rInMtf.GetAction(nPostLastBgAction)->GetType() != MetaActionType::POP)
+                    break;
+                nLastBgAction = nPostLastBgAction;
+            }
+        }
+
+        aMapModeVDev->ClearStack(); // clean up aMapModeVDev
+
+        // fast-forward until one after the last background action
+        // (need to reconstruct map mode vdev state)
+        nActionNum=0;
+        pCurrAct=const_cast<GDIMetaFile&>(rInMtf).FirstAction();
+        while( pCurrAct && nActionNum<=nLastBgAction )
+        {
+            // up to and including last ink-generating background
+            // action go to background component
+            aBackgroundComponent.aComponentList.emplace_back(
+                    pCurrAct, nActionNum );
+
+            // execute action to get correct MapModes etc.
+            pCurrAct->Execute( aMapModeVDev.get() );
+            pCurrAct=const_cast<GDIMetaFile&>(rInMtf).NextAction();
+            ++nActionNum;
+        }
+
+        //  STAGE 2: Generate connected components list
+
+        ::std::vector<ConnectedComponents> aCCList; // contains distinct sets of connected components as elements.
+
+        // iterate over all actions (start where background action
+        // search left off)
+        for( ;
+             pCurrAct;
+             pCurrAct=const_cast<GDIMetaFile&>(rInMtf).NextAction(), ++nActionNum )
+        {
+            // execute action to get correct MapModes etc.
+            pCurrAct->Execute( aMapModeVDev.get() );
+
+            // cache bounds of current action
+            const tools::Rectangle aBBCurrAct( ImplCalcActionBounds(*pCurrAct, *aMapModeVDev) );
+
+            // accumulate collected bounds here, initialize with current action
+            tools::Rectangle aTotalBounds( aBBCurrAct ); // thus, aTotalComponents.aBounds is empty
+                                                         // for non-output-generating actions
+            bool bTreatSpecial( false );
+            ConnectedComponents aTotalComponents;
+
+            //  STAGE 2.1: Search for intersecting cc entries
+
+            // if aBBCurrAct is empty, it will intersect with no
+            // aCCList member. Thus, we can save the check.
+            // Furthermore, this ensures that non-output-generating
+            // actions get their own aCCList entry, which is necessary
+            // when copying them to the output metafile (see stage 4
+            // below).
+
+            // #107169# Wholly transparent objects need
+            // not be considered for connected components,
+            // too. Just put each of them into a separate
+            // component.
+            aTotalComponents.bIsFullyTransparent = !ImplIsNotTransparent(*pCurrAct, *aMapModeVDev);
+
+            if( !aBBCurrAct.IsEmpty() &&
+                !aTotalComponents.bIsFullyTransparent )
+            {
+                if( !aBackgroundComponent.aComponentList.empty() &&
+                    !aBackgroundComponent.aBounds.Contains(aTotalBounds) )
+                {
+                    // it seems the background is not large enough. to
+                    // be on the safe side, combine with this component.
+                    aTotalBounds.Union( aBackgroundComponent.aBounds );
+
+                    // extract all aCurr actions to aTotalComponents
+                    aTotalComponents.aComponentList.splice( aTotalComponents.aComponentList.end(),
+                                                            aBackgroundComponent.aComponentList );
+
+                    if( aBackgroundComponent.bIsSpecial )
+                        bTreatSpecial = true;
+                }
+
+                bool                                    bSomeComponentsChanged;
+
+                // now, this is unfortunate: since changing anyone of
+                // the aCCList elements (e.g. by merging or addition
+                // of an action) might generate new intersection with
+                // other aCCList elements, have to repeat the whole
+                // element scanning, until nothing changes anymore.
+                // Thus, this loop here makes us O(n^3) in the worst
+                // case.
+                do
+                {
+                    // only loop here if 'intersects' branch below was hit
+                    bSomeComponentsChanged = false;
+
+                    // iterate over all current members of aCCList
+                    for( auto aCurrCC=aCCList.begin(); aCurrCC != aCCList.end(); )
+                    {
+                        // first check if current element's bounds are
+                        // empty. This ensures that empty actions are not
+                        // merged into one component, as a matter of fact,
+                        // they have no position.
+
+                        // #107169# Wholly transparent objects need
+                        // not be considered for connected components,
+                        // too. Just put each of them into a separate
+                        // component.
+                        if( !aCurrCC->aBounds.IsEmpty() &&
+                            !aCurrCC->bIsFullyTransparent &&
+                            aCurrCC->aBounds.Overlaps( aTotalBounds ) )
+                        {
+                            // union the intersecting aCCList element into aTotalComponents
+
+                            // calc union bounding box
+                            aTotalBounds.Union( aCurrCC->aBounds );
+
+                            // extract all aCurr actions to aTotalComponents
+                            aTotalComponents.aComponentList.splice( aTotalComponents.aComponentList.end(),
+                                                                    aCurrCC->aComponentList );
+
+                            if( aCurrCC->bIsSpecial )
+                                bTreatSpecial = true;
+
+                            // remove and delete aCurrCC element from list (we've now merged its content)
+                            aCurrCC = aCCList.erase( aCurrCC );
+
+                            // at least one component changed, need to rescan everything
+                            bSomeComponentsChanged = true;
+                        }
+                        else
+                        {
+                            ++aCurrCC;
+                        }
+                    }
+                }
+                while( bSomeComponentsChanged );
+            }
+
+            //  STAGE 2.2: Determine special state for cc element
+
+            // now test whether the whole connected component must be
+            // treated specially (i.e. rendered as a bitmap): if the
+            // added action is the very first action, or all actions
+            // before it are completely transparent, the connected
+            // component need not be treated specially, not even if
+            // the added action contains transparency. This is because
+            // painting of transparent objects on _white background_
+            // works without alpha compositing (you just calculate the
+            // color). Note that for the test "all objects before me
+            // are transparent" no sorting is necessary, since the
+            // added metaaction pCurrAct is always in the order the
+            // metafile is painted. Generally, the order of the
+            // metaactions in the ConnectedComponents are not
+            // guaranteed to be the same as in the metafile.
+            if( bTreatSpecial )
+            {
+                // prev component(s) special -> this one, too
+                aTotalComponents.bIsSpecial = true;
+            }
+            else if(!pCurrAct->IsTransparent())
+            {
+                // added action and none of prev components special ->
+                // this one normal, too
+                aTotalComponents.bIsSpecial = false;
+            }
+            else
+            {
+                // added action is special and none of prev components
+                // special -> do the detailed tests
+
+                // can the action handle transparency correctly
+                // (i.e. when painted on white background, does the
+                // action still look correct)?
+                if( !DoesActionHandleTransparency( *pCurrAct ) )
+                {
+                    // no, action cannot handle its transparency on
+                    // a printer device, render to bitmap
+                    aTotalComponents.bIsSpecial = true;
+                }
+                else
+                {
+                    // yes, action can handle its transparency, so
+                    // check whether we're on white background
+                    if( aTotalComponents.aComponentList.empty() )
+                    {
+                        // nothing between pCurrAct and page
+                        // background -> don't be special
+                        aTotalComponents.bIsSpecial = false;
+                    }
+                    else
+                    {
+                        // #107169# Fixes above now ensure that _no_
+                        // object in the list is fully transparent. Thus,
+                        // if the component list is not empty above, we
+                        // must assume that we have to treat this
+                        // component special.
+
+                        // there are non-transparent objects between
+                        // pCurrAct and the empty sheet of paper -> be
+                        // special, then
+                        aTotalComponents.bIsSpecial = true;
+                    }
+                }
+            }
+
+            //  STAGE 2.3: Add newly generated CC list element
+
+            // set new bounds and add action to list
+            aTotalComponents.aBounds = aTotalBounds;
+            aTotalComponents.aComponentList.emplace_back(
+                    pCurrAct, nActionNum );
+
+            // add aTotalComponents as a new entry to aCCList
+            aCCList.push_back( aTotalComponents );
+
+            SAL_WARN_IF( aTotalComponents.aComponentList.empty(), "vcl",
+                        "Printer::GetPreparedMetaFile empty component" );
+            SAL_WARN_IF( aTotalComponents.aBounds.IsEmpty() && (aTotalComponents.aComponentList.size() != 1), "vcl",
+                        "Printer::GetPreparedMetaFile non-output generating actions must be solitary");
+            SAL_WARN_IF( aTotalComponents.bIsFullyTransparent && (aTotalComponents.aComponentList.size() != 1), "vcl",
+                        "Printer::GetPreparedMetaFile fully transparent actions must be solitary");
+        }
+
+        // well now, we've got the list of disjunct connected
+        // components. Now we've got to create a map, which contains
+        // the corresponding aCCList element for every
+        // metaaction. Later on, we always process the complete
+        // metafile for each bitmap to be generated, but switch on
+        // output only for actions contained in the then current
+        // aCCList element. This ensures correct mapmode and attribute
+        // settings for all cases.
+
+        // maps mtf actions to CC list entries
+        ::std::vector< const ConnectedComponents* > aCCList_MemberMap( rInMtf.GetActionSize() );
+
+        // iterate over all aCCList members and their contained metaactions
+        for (auto const& currentItem : aCCList)
+        {
+            for (auto const& currentAction : currentItem.aComponentList)
+            {
+                // set pointer to aCCList element for corresponding index
+                aCCList_MemberMap[ currentAction.second ] = &currentItem;
+            }
+        }
+
+        //  STAGE 3.1: Output background mtf actions (if there are any)
+
+        for (auto & component : aBackgroundComponent.aComponentList)
+        {
+            // simply add this action (above, we inserted the actions
+            // starting at index 0 up to and including nLastBgAction)
+            rOutMtf.AddAction( component.first );
+        }
+
+        //  STAGE 3.2: Generate banded bitmaps for special regions
+
+        Point aPageOffset;
+        Size aTmpSize( GetOutputSizePixel() );
+        if( meOutDevType == OUTDEV_PDF )
+        {
+            auto pPdfWriter = static_cast<vcl::PDFWriterImpl*>(this);
+            aTmpSize = LogicToPixel(pPdfWriter->getCurPageSize(), MapMode(MapUnit::MapPoint));
+
+            // also add error code to PDFWriter
+            pPdfWriter->insertError(vcl::PDFWriter::Warning_Transparency_Converted);
+        }
+        else if( meOutDevType == OUTDEV_PRINTER )
+        {
+            Printer* pThis = dynamic_cast<Printer*>(this);
+            assert(pThis);
+            aPageOffset = pThis->GetPageOffsetPixel();
+            aPageOffset = Point( 0, 0 ) - aPageOffset;
+            aTmpSize  = pThis->GetPaperSizePixel();
+        }
+        const tools::Rectangle aOutputRect( aPageOffset, aTmpSize );
+        bool bTiling = dynamic_cast<Printer*>(this) != nullptr;
+
+        // iterate over all aCCList members and generate bitmaps for the special ones
+        for (auto & currentItem : aCCList)
+        {
+            if( currentItem.bIsSpecial )
+            {
+                tools::Rectangle aBoundRect( currentItem.aBounds );
+                aBoundRect.Intersection( aOutputRect );
+
+                const double fBmpArea( static_cast<double>(aBoundRect.GetWidth()) * aBoundRect.GetHeight() );
+                const double fOutArea( static_cast<double>(aOutputRect.GetWidth()) * aOutputRect.GetHeight() );
+
+                // check if output doesn't exceed given size
+                if( bReduceTransparency && bTransparencyAutoMode && ( fBmpArea > ( fReduceTransparencyMinArea * fOutArea ) ) )
+                {
+                    // output normally. Therefore, we simply clear the
+                    // special attribute, as everything non-special is
+                    // copied to rOutMtf further below.
+                    currentItem.bIsSpecial = false;
+                }
+                else
+                {
+                    // create new bitmap action first
+                    if( aBoundRect.GetWidth() && aBoundRect.GetHeight() )
+                    {
+                        Point           aDstPtPix( aBoundRect.TopLeft() );
+                        Size            aDstSzPix;
+
+                        ScopedVclPtrInstance<VirtualDevice> aMapVDev;   // here, we record only mapmode information
+                        aMapVDev->EnableOutput(false);
+
+                        ScopedVclPtrInstance<VirtualDevice> aPaintVDev; // into this one, we render.
+                        aPaintVDev->SetBackground( aBackgroundComponent.aBgColor );
+
+                        rOutMtf.AddAction( new MetaPushAction( vcl::PushFlags::MAPMODE ) );
+                        rOutMtf.AddAction( new MetaMapModeAction() );
+
+                        aPaintVDev->SetDrawMode( GetDrawMode() );
+
+                        while( aDstPtPix.Y() <= aBoundRect.Bottom() )
+                        {
+                            aDstPtPix.setX( aBoundRect.Left() );
+                            aDstSzPix = bTiling ? Size( MAX_TILE_WIDTH, MAX_TILE_HEIGHT ) : aBoundRect.GetSize();
+
+                            if( ( aDstPtPix.Y() + aDstSzPix.Height() - 1 ) > aBoundRect.Bottom() )
+                                aDstSzPix.setHeight( aBoundRect.Bottom() - aDstPtPix.Y() + 1 );
+
+                            while( aDstPtPix.X() <= aBoundRect.Right() )
+                            {
+                                if( ( aDstPtPix.X() + aDstSzPix.Width() - 1 ) > aBoundRect.Right() )
+                                    aDstSzPix.setWidth( aBoundRect.Right() - aDstPtPix.X() + 1 );
+
+                                if( !tools::Rectangle( aDstPtPix, aDstSzPix ).Intersection( aBoundRect ).IsEmpty() &&
+                                    aPaintVDev->SetOutputSizePixel( aDstSzPix ) )
+                                {
+                                    aPaintVDev->Push();
+                                    aMapVDev->Push();
+
+                                    aMapVDev->mnDPIX = aPaintVDev->mnDPIX = mnDPIX;
+                                    aMapVDev->mnDPIY = aPaintVDev->mnDPIY = mnDPIY;
+
+                                    aPaintVDev->EnableOutput(false);
+
+                                    // iterate over all actions
+                                    for( pCurrAct=const_cast<GDIMetaFile&>(rInMtf).FirstAction(), nActionNum=0;
+                                         pCurrAct;
+                                         pCurrAct=const_cast<GDIMetaFile&>(rInMtf).NextAction(), ++nActionNum )
+                                    {
+                                        // enable output only for
+                                        // actions that are members of
+                                        // the current aCCList element
+                                        // (currentItem)
+                                        if( aCCList_MemberMap[nActionNum] == &currentItem )
+                                            aPaintVDev->EnableOutput();
+
+                                        // but process every action
+                                        const MetaActionType nType( pCurrAct->GetType() );
+
+                                        if( MetaActionType::MAPMODE == nType )
+                                        {
+                                            pCurrAct->Execute( aMapVDev.get() );
+
+                                            MapMode     aMtfMap( aMapVDev->GetMapMode() );
+                                            const Point aNewOrg( aMapVDev->PixelToLogic( aDstPtPix ) );
+
+                                            aMtfMap.SetOrigin( Point( -aNewOrg.X(), -aNewOrg.Y() ) );
+                                            aPaintVDev->SetMapMode( aMtfMap );
+                                        }
+                                        else if( ( MetaActionType::PUSH == nType ) || MetaActionType::POP == nType )
+                                        {
+                                            pCurrAct->Execute( aMapVDev.get() );
+                                            pCurrAct->Execute( aPaintVDev.get() );
+                                        }
+                                        else if( MetaActionType::GRADIENT == nType )
+                                        {
+                                            MetaGradientAction* pGradientAction = static_cast<MetaGradientAction*>(pCurrAct);
+                                            Printer* pPrinter = dynamic_cast< Printer* >(this);
+                                            if( pPrinter )
+                                                pPrinter->DrawGradientEx( aPaintVDev.get(), pGradientAction->GetRect(), pGradientAction->GetGradient() );
+                                            else
+                                                DrawGradient( pGradientAction->GetRect(), pGradientAction->GetGradient() );
+                                        }
+                                        else
+                                        {
+                                            pCurrAct->Execute( aPaintVDev.get() );
+                                        }
+
+                                        Application::Reschedule( true );
+                                    }
+
+                                    const bool bOldMap = mbMap;
+                                    mbMap = aPaintVDev->mbMap = false;
+
+                                    Bitmap aBandBmp( aPaintVDev->GetBitmap( Point(), aDstSzPix ) );
+
+                                    // scale down bitmap, if requested
+                                    if( bDownsampleBitmaps )
+                                        aBandBmp = vcl::bitmap::GetDownsampledBitmap(PixelToLogic(LogicToPixel(aDstSzPix), MapMode(MapUnit::MapTwip)),
+                                                                         Point(), aBandBmp.GetSizePixel(),
+                                                                         aBandBmp, nMaxBmpDPIX, nMaxBmpDPIY);
+
+                                    rOutMtf.AddAction( new MetaCommentAction( "PRNSPOOL_TRANSPARENTBITMAP_BEGIN" ) );
+                                    rOutMtf.AddAction( new MetaBmpScaleAction( aDstPtPix, aDstSzPix, aBandBmp ) );
+                                    rOutMtf.AddAction( new MetaCommentAction( "PRNSPOOL_TRANSPARENTBITMAP_END" ) );
+
+                                    aPaintVDev->mbMap = true;
+                                    mbMap = bOldMap;
+                                    aMapVDev->Pop();
+                                    aPaintVDev->Pop();
+                                }
+
+                                // overlapping bands to avoid missing lines (e.g. PostScript)
+                                aDstPtPix.AdjustX(aDstSzPix.Width() );
+                            }
+
+                            // overlapping bands to avoid missing lines (e.g. PostScript)
+                            aDstPtPix.AdjustY(aDstSzPix.Height() );
+                        }
+
+                        rOutMtf.AddAction( new MetaPopAction() );
+                    }
+                }
+            }
+        }
+
+        aMapModeVDev->ClearStack(); // clean up aMapModeVDev
+
+        //  STAGE 4: Copy actions to output metafile
+
+        // iterate over all actions and duplicate the ones not in a
+        // special aCCList member into rOutMtf
+        for( pCurrAct=const_cast<GDIMetaFile&>(rInMtf).FirstAction(), nActionNum=0;
+             pCurrAct;
+             pCurrAct=const_cast<GDIMetaFile&>(rInMtf).NextAction(), ++nActionNum )
+        {
+            const ConnectedComponents* pCurrAssociatedComponent = aCCList_MemberMap[nActionNum];
+
+            // NOTE: This relies on the fact that map-mode or draw
+            // mode changing actions are solitary aCCList elements and
+            // have empty bounding boxes, see comment on stage 2.1
+            // above
+            if( pCurrAssociatedComponent &&
+                (pCurrAssociatedComponent->aBounds.IsEmpty() ||
+                 !pCurrAssociatedComponent->bIsSpecial) )
+            {
+                // #107169# Treat transparent bitmaps special, if they
+                // are the first (or sole) action in their bounds
+                // list. Note that we previously ensured that no
+                // fully-transparent objects are before us here.
+                if( DoesActionHandleTransparency( *pCurrAct ) &&
+                    pCurrAssociatedComponent->aComponentList.begin()->first == pCurrAct )
+                {
+                    // convert actions, where masked-out parts are of
+                    // given background color
+                    ImplConvertTransparentAction(rOutMtf,
+                                                 *pCurrAct,
+                                                 *aMapModeVDev,
+                                                 aBackgroundComponent.aBgColor);
+                }
+                else
+                {
+                    // simply add this action
+                    rOutMtf.AddAction( pCurrAct );
+                }
+
+                pCurrAct->Execute(aMapModeVDev.get());
+            }
+        }
+
+        rOutMtf.SetPrefMapMode( rInMtf.GetPrefMapMode() );
+        rOutMtf.SetPrefSize( rInMtf.GetPrefSize() );
+
+#if OSL_DEBUG_LEVEL > 1
+        // iterate over all aCCList members and generate rectangles for the bounding boxes
+        rOutMtf.AddAction( new MetaFillColorAction( COL_WHITE, false ) );
+        for(auto const& aCurr:aCCList)
+        {
+            if( aCurr.bIsSpecial )
+                rOutMtf.AddAction( new MetaLineColorAction( COL_RED, true) );
+            else
+                rOutMtf.AddAction( new MetaLineColorAction( COL_BLUE, true) );
+
+            rOutMtf.AddAction( new MetaRectAction( aMapModeVDev->PixelToLogic( aCurr.aBounds ) ) );
+        }
+#endif
+    }
+    return bTransparent;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */