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, 893 insertions, 0 deletions

diff --git a/vcl/source/gdi/pdfextoutdevdata.cxx b/vcl/source/gdi/pdfextoutdevdata.cxx
new file mode 100644
index 000000000..00e4f4a9c
--- /dev/null
+++ b/vcl/source/gdi/pdfextoutdevdata.cxx
@@ -0,0 +1,893 @@
+/* -*- 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 <vcl/canvastools.hxx>
+#include <vcl/pdfextoutdevdata.hxx>
+#include <vcl/graph.hxx>
+#include <vcl/outdev.hxx>
+#include <vcl/gfxlink.hxx>
+#include <vcl/metaact.hxx>
+#include <vcl/graphicfilter.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <sal/log.hxx>
+#include <o3tl/safeint.hxx>
+#include <osl/diagnose.h>
+#include <tools/stream.hxx>
+
+#include <memory>
+#include <map>
+
+namespace vcl
+{
+namespace {
+
+struct PDFExtOutDevDataSync
+{
+    enum Action{    CreateNamedDest,
+                    CreateDest,
+                    CreateLink,
+                    CreateScreen,
+                    SetLinkDest,
+                    SetLinkURL,
+                    SetScreenURL,
+                    SetScreenStream,
+                    RegisterDest,
+                    CreateOutlineItem,
+                    CreateNote,
+                    SetPageTransition,
+
+                    BeginStructureElement,
+                    EndStructureElement,
+                    SetCurrentStructureElement,
+                    SetStructureAttribute,
+                    SetStructureAttributeNumerical,
+                    SetStructureBoundingBox,
+                    SetActualText,
+                    SetAlternateText,
+                    CreateControl,
+                    BeginGroup,
+                    EndGroupGfxLink
+    };
+
+    sal_uInt32  nIdx;
+    Action      eAct;
+};
+
+struct PDFLinkDestination
+{
+    tools::Rectangle               mRect;
+    MapMode                 mMapMode;
+    sal_Int32               mPageNr;
+    PDFWriter::DestAreaType mAreaType;
+};
+
+}
+
+struct GlobalSyncData
+{
+    std::deque< PDFExtOutDevDataSync::Action >  mActions;
+    std::deque< MapMode >                       mParaMapModes;
+    std::deque< tools::Rectangle >                     mParaRects;
+    std::deque< sal_Int32 >                     mParaInts;
+    std::deque< sal_uInt32 >                    mParauInts;
+    std::deque< OUString >                 mParaOUStrings;
+    std::deque< PDFWriter::DestAreaType >       mParaDestAreaTypes;
+    std::deque< PDFNote >                       mParaPDFNotes;
+    std::deque< PDFWriter::PageTransition >     mParaPageTransitions;
+    ::std::map< sal_Int32, PDFLinkDestination > mFutureDestinations;
+
+    sal_Int32 GetMappedId();
+    sal_Int32 GetMappedStructId( sal_Int32 );
+
+    sal_Int32                   mCurId;
+    std::vector< sal_Int32 >    mParaIds;
+    std::vector< sal_Int32 >    mStructIdMap;
+
+    sal_Int32                   mCurrentStructElement;
+    std::vector< sal_Int32 >    mStructParents;
+    GlobalSyncData() :
+            mCurId ( 0 ),
+            mCurrentStructElement( 0 )
+    {
+        mStructParents.push_back( 0 );
+        mStructIdMap.push_back( 0 );
+    }
+    void PlayGlobalActions( PDFWriter& rWriter );
+};
+
+sal_Int32 GlobalSyncData::GetMappedId()
+{
+    sal_Int32 nLinkId = mParaInts.front();
+    mParaInts.pop_front();
+
+    /*  negative values are intentionally passed as invalid IDs
+     *  e.g. to create a new top level outline item
+     */
+    if( nLinkId >= 0 )
+    {
+        if ( o3tl::make_unsigned(nLinkId) < mParaIds.size() )
+            nLinkId = mParaIds[ nLinkId ];
+        else
+            nLinkId = -1;
+
+        SAL_WARN_IF( nLinkId < 0, "vcl", "unmapped id in GlobalSyncData" );
+    }
+
+    return nLinkId;
+}
+
+sal_Int32 GlobalSyncData::GetMappedStructId( sal_Int32 nStructId )
+{
+    if ( o3tl::make_unsigned(nStructId) < mStructIdMap.size() )
+        nStructId = mStructIdMap[ nStructId ];
+    else
+        nStructId = -1;
+
+    SAL_WARN_IF( nStructId < 0, "vcl", "unmapped structure id in GlobalSyncData" );
+
+    return nStructId;
+}
+
+void GlobalSyncData::PlayGlobalActions( PDFWriter& rWriter )
+{
+    for (auto const& action : mActions)
+    {
+        switch (action)
+        {
+            case PDFExtOutDevDataSync::CreateNamedDest : //i56629
+            {
+                rWriter.Push( PushFlags::MAPMODE );
+                rWriter.SetMapMode( mParaMapModes.front() );
+                mParaMapModes.pop_front();
+                mParaIds.push_back( rWriter.CreateNamedDest( mParaOUStrings.front(), mParaRects.front(), mParaInts.front(), mParaDestAreaTypes.front() ) );
+                mParaOUStrings.pop_front();
+                mParaRects.pop_front();
+                mParaInts.pop_front();
+                mParaDestAreaTypes.pop_front();
+                rWriter.Pop();
+            }
+            break;
+            case PDFExtOutDevDataSync::CreateDest :
+            {
+                rWriter.Push( PushFlags::MAPMODE );
+                rWriter.SetMapMode( mParaMapModes.front() );
+                mParaMapModes.pop_front();
+                mParaIds.push_back( rWriter.CreateDest( mParaRects.front(), mParaInts.front(), mParaDestAreaTypes.front() ) );
+                mParaRects.pop_front();
+                mParaInts.pop_front();
+                mParaDestAreaTypes.pop_front();
+                rWriter.Pop();
+            }
+            break;
+            case PDFExtOutDevDataSync::CreateLink :
+            {
+                rWriter.Push( PushFlags::MAPMODE );
+                rWriter.SetMapMode( mParaMapModes.front() );
+                mParaMapModes.pop_front();
+                mParaIds.push_back( rWriter.CreateLink(mParaRects.front(), mParaInts.front(), mParaOUStrings.front()) );
+                // resolve LinkAnnotation structural attribute
+                rWriter.SetLinkPropertyID( mParaIds.back(), sal_Int32(mParaIds.size()-1) );
+                mParaRects.pop_front();
+                mParaInts.pop_front();
+                mParaOUStrings.pop_front();
+                rWriter.Pop();
+            }
+            break;
+            case PDFExtOutDevDataSync::CreateScreen:
+            {
+                rWriter.Push(PushFlags::MAPMODE);
+                rWriter.SetMapMode(mParaMapModes.front());
+                mParaMapModes.pop_front();
+                mParaIds.push_back(rWriter.CreateScreen(mParaRects.front(), mParaInts.front()));
+                mParaRects.pop_front();
+                mParaInts.pop_front();
+                rWriter.Pop();
+            }
+            break;
+            case PDFExtOutDevDataSync::SetLinkDest :
+            {
+                sal_Int32 nLinkId = GetMappedId();
+                sal_Int32 nDestId = GetMappedId();
+                rWriter.SetLinkDest( nLinkId, nDestId );
+            }
+            break;
+            case PDFExtOutDevDataSync::SetLinkURL :
+            {
+                sal_Int32 nLinkId = GetMappedId();
+                rWriter.SetLinkURL( nLinkId, mParaOUStrings.front() );
+                mParaOUStrings.pop_front();
+            }
+            break;
+            case PDFExtOutDevDataSync::SetScreenURL:
+            {
+                sal_Int32 nScreenId = GetMappedId();
+                rWriter.SetScreenURL(nScreenId, mParaOUStrings.front());
+                mParaOUStrings.pop_front();
+            }
+            break;
+            case PDFExtOutDevDataSync::SetScreenStream:
+            {
+                sal_Int32 nScreenId = GetMappedId();
+                rWriter.SetScreenStream(nScreenId, mParaOUStrings.front());
+                mParaOUStrings.pop_front();
+            }
+            break;
+            case PDFExtOutDevDataSync::RegisterDest :
+            {
+                const sal_Int32 nDestId = mParaInts.front();
+                mParaInts.pop_front();
+                OSL_ENSURE( mFutureDestinations.find( nDestId ) != mFutureDestinations.end(),
+                    "GlobalSyncData::PlayGlobalActions: DescribeRegisteredRequest has not been called for that destination!" );
+
+                PDFLinkDestination& rDest = mFutureDestinations[ nDestId ];
+
+                rWriter.Push( PushFlags::MAPMODE );
+                rWriter.SetMapMode( rDest.mMapMode );
+                mParaIds.push_back( rWriter.RegisterDestReference( nDestId, rDest.mRect, rDest.mPageNr, rDest.mAreaType ) );
+                rWriter.Pop();
+            }
+            break;
+            case PDFExtOutDevDataSync::CreateOutlineItem :
+            {
+                sal_Int32 nParent = GetMappedId();
+                sal_Int32 nLinkId = GetMappedId();
+                mParaIds.push_back( rWriter.CreateOutlineItem( nParent, mParaOUStrings.front(), nLinkId ) );
+                mParaOUStrings.pop_front();
+            }
+            break;
+            case PDFExtOutDevDataSync::CreateNote :
+            {
+                rWriter.Push( PushFlags::MAPMODE );
+                rWriter.SetMapMode( mParaMapModes.front() );
+                rWriter.CreateNote( mParaRects.front(), mParaPDFNotes.front(), mParaInts.front() );
+                mParaMapModes.pop_front();
+                mParaRects.pop_front();
+                mParaPDFNotes.pop_front();
+                mParaInts.pop_front();
+            }
+            break;
+            case PDFExtOutDevDataSync::SetPageTransition :
+            {
+                rWriter.SetPageTransition( mParaPageTransitions.front(), mParauInts.front(), mParaInts.front() );
+                mParaPageTransitions.pop_front();
+                mParauInts.pop_front();
+                mParaInts.pop_front();
+            }
+            break;
+            case PDFExtOutDevDataSync::BeginStructureElement:
+            case PDFExtOutDevDataSync::EndStructureElement:
+            case PDFExtOutDevDataSync::SetCurrentStructureElement:
+            case PDFExtOutDevDataSync::SetStructureAttribute:
+            case PDFExtOutDevDataSync::SetStructureAttributeNumerical:
+            case PDFExtOutDevDataSync::SetStructureBoundingBox:
+            case PDFExtOutDevDataSync::SetActualText:
+            case PDFExtOutDevDataSync::SetAlternateText:
+            case PDFExtOutDevDataSync::CreateControl:
+            case PDFExtOutDevDataSync::BeginGroup:
+            case PDFExtOutDevDataSync::EndGroupGfxLink:
+                break;
+        }
+    }
+}
+
+struct PageSyncData
+{
+    std::deque< PDFExtOutDevDataSync >              mActions;
+    std::deque< tools::Rectangle >                         mParaRects;
+    std::deque< sal_Int32 >                         mParaInts;
+    std::deque< OUString >                     mParaOUStrings;
+    std::deque< PDFWriter::StructElement >          mParaStructElements;
+    std::deque< PDFWriter::StructAttribute >        mParaStructAttributes;
+    std::deque< PDFWriter::StructAttributeValue >   mParaStructAttributeValues;
+    std::deque< Graphic >                           mGraphics;
+    Graphic                                         mCurrentGraphic;
+    std::deque< std::shared_ptr< PDFWriter::AnyWidget > >
+                                                    mControls;
+    GlobalSyncData*                                 mpGlobalData;
+
+    bool                                        mbGroupIgnoreGDIMtfActions;
+
+
+    explicit PageSyncData( GlobalSyncData* pGlobal )
+        : mbGroupIgnoreGDIMtfActions ( false )
+    { mpGlobalData = pGlobal; }
+
+    void PushAction( const OutputDevice& rOutDev, const PDFExtOutDevDataSync::Action eAct );
+    bool PlaySyncPageAct( PDFWriter& rWriter, sal_uInt32& rCurGDIMtfAction, const GDIMetaFile& rMtf, const PDFExtOutDevData& rOutDevData );
+};
+
+void PageSyncData::PushAction( const OutputDevice& rOutDev, const PDFExtOutDevDataSync::Action eAct )
+{
+    GDIMetaFile* pMtf = rOutDev.GetConnectMetaFile();
+    SAL_WARN_IF( !pMtf, "vcl", "PageSyncData::PushAction -> no ConnectMetaFile !!!" );
+
+    PDFExtOutDevDataSync aSync;
+    aSync.eAct = eAct;
+    if ( pMtf )
+        aSync.nIdx = pMtf->GetActionSize();
+    else
+        aSync.nIdx = 0x7fffffff;    // sync not possible
+    mActions.push_back( aSync );
+}
+bool PageSyncData::PlaySyncPageAct( PDFWriter& rWriter, sal_uInt32& rCurGDIMtfAction, const GDIMetaFile& rMtf, const PDFExtOutDevData& rOutDevData )
+{
+    bool bRet = false;
+    if ( !mActions.empty() && ( mActions.front().nIdx == rCurGDIMtfAction ) )
+    {
+        bRet = true;
+        PDFExtOutDevDataSync aDataSync = mActions.front();
+        mActions.pop_front();
+        switch( aDataSync.eAct )
+        {
+            case PDFExtOutDevDataSync::BeginStructureElement :
+            {
+                sal_Int32 nNewEl = rWriter.BeginStructureElement( mParaStructElements.front(), mParaOUStrings.front() ) ;
+                mParaStructElements.pop_front();
+                mParaOUStrings.pop_front();
+                mpGlobalData->mStructIdMap.push_back( nNewEl );
+            }
+            break;
+            case PDFExtOutDevDataSync::EndStructureElement :
+            {
+                rWriter.EndStructureElement();
+            }
+            break;
+            case PDFExtOutDevDataSync::SetCurrentStructureElement:
+            {
+                rWriter.SetCurrentStructureElement( mpGlobalData->GetMappedStructId( mParaInts.front() ) );
+                mParaInts.pop_front();
+            }
+            break;
+            case PDFExtOutDevDataSync::SetStructureAttribute :
+            {
+                rWriter.SetStructureAttribute( mParaStructAttributes.front(), mParaStructAttributeValues.front() );
+                mParaStructAttributeValues.pop_front();
+                mParaStructAttributes.pop_front();
+            }
+            break;
+            case PDFExtOutDevDataSync::SetStructureAttributeNumerical :
+            {
+                rWriter.SetStructureAttributeNumerical( mParaStructAttributes.front(), mParaInts.front() );
+                mParaStructAttributes.pop_front();
+                mParaInts.pop_front();
+            }
+            break;
+            case PDFExtOutDevDataSync::SetStructureBoundingBox :
+            {
+                rWriter.SetStructureBoundingBox( mParaRects.front() );
+                mParaRects.pop_front();
+            }
+            break;
+            case PDFExtOutDevDataSync::SetActualText :
+            {
+                rWriter.SetActualText( mParaOUStrings.front() );
+                mParaOUStrings.pop_front();
+            }
+            break;
+            case PDFExtOutDevDataSync::SetAlternateText :
+            {
+                rWriter.SetAlternateText( mParaOUStrings.front() );
+                mParaOUStrings.pop_front();
+            }
+            break;
+            case PDFExtOutDevDataSync::CreateControl:
+            {
+                std::shared_ptr< PDFWriter::AnyWidget > pControl( mControls.front() );
+                SAL_WARN_IF( !pControl, "vcl", "PageSyncData::PlaySyncPageAct: invalid widget!" );
+                if ( pControl )
+                    rWriter.CreateControl( *pControl );
+                mControls.pop_front();
+            }
+            break;
+            case PDFExtOutDevDataSync::BeginGroup :
+            {
+                /* first determining if this BeginGroup is starting a GfxLink,
+                   by searching for an EndGroup or an EndGroupGfxLink */
+                mbGroupIgnoreGDIMtfActions = false;
+                auto isStartingGfxLink = std::any_of(mActions.begin(), mActions.end(),
+                    [](const PDFExtOutDevDataSync& rAction) { return rAction.eAct == PDFExtOutDevDataSync::EndGroupGfxLink; });
+                if ( isStartingGfxLink )
+                {
+                    Graphic& rGraphic = mGraphics.front();
+                    if ( rGraphic.IsGfxLink() && mParaRects.size() >= 2 )
+                    {
+                        GfxLinkType eType = rGraphic.GetGfxLink().GetType();
+                        if ( eType == GfxLinkType::NativeJpg )
+                        {
+                            mbGroupIgnoreGDIMtfActions = rOutDevData.HasAdequateCompression(rGraphic, mParaRects[0], mParaRects[1]);
+                            if ( !mbGroupIgnoreGDIMtfActions )
+                                mCurrentGraphic = rGraphic;
+                        }
+                        else if ( eType == GfxLinkType::NativePng || eType == GfxLinkType::NativePdf )
+                        {
+                            if ( eType == GfxLinkType::NativePdf || rOutDevData.HasAdequateCompression(rGraphic, mParaRects[0], mParaRects[1]) )
+                                mCurrentGraphic = rGraphic;
+                        }
+                    }
+                }
+            }
+            break;
+            case PDFExtOutDevDataSync::EndGroupGfxLink :
+            {
+                tools::Rectangle aOutputRect, aVisibleOutputRect;
+                Graphic   aGraphic( mGraphics.front() );
+
+                mGraphics.pop_front();
+                sal_Int32 nTransparency = mParaInts.front();
+                mParaInts.pop_front();
+                aOutputRect = mParaRects.front();
+                mParaRects.pop_front();
+                aVisibleOutputRect = mParaRects.front();
+                mParaRects.pop_front();
+
+                if ( mbGroupIgnoreGDIMtfActions )
+                {
+                    bool bClippingNeeded = ( aOutputRect != aVisibleOutputRect ) && !aVisibleOutputRect.IsEmpty();
+
+                    GfxLink   aGfxLink( aGraphic.GetGfxLink() );
+                    if ( aGfxLink.GetType() == GfxLinkType::NativeJpg )
+                    {
+                        if ( bClippingNeeded )
+                        {
+                            rWriter.Push();
+                            basegfx::B2DPolyPolygon aRect( basegfx::utils::createPolygonFromRect(
+                                vcl::unotools::b2DRectangleFromRectangle(aVisibleOutputRect) ) );
+                            rWriter.SetClipRegion( aRect);
+                        }
+
+                        AlphaMask aAlphaMask;
+                        if (nTransparency)
+                        {
+                            aAlphaMask = AlphaMask(aGraphic.GetSizePixel());
+                            aAlphaMask.Erase(nTransparency);
+                        }
+
+                        SvMemoryStream aTmp;
+                        const sal_uInt8* pData = aGfxLink.GetData();
+                        sal_uInt32 nBytes = aGfxLink.GetDataSize();
+                        if( pData && nBytes )
+                        {
+                            aTmp.WriteBytes( pData, nBytes );
+
+                            // Look up the output rectangle from the previous
+                            // bitmap scale action if possible. This has the
+                            // correct position and size for images with a
+                            // custom translation (Writer header) or scaling
+                            // (Impress notes page).
+                            if (rCurGDIMtfAction > 0)
+                            {
+                                const MetaAction* pAction = rMtf.GetAction(rCurGDIMtfAction - 1);
+                                if (pAction && pAction->GetType() == MetaActionType::BMPSCALE)
+                                {
+                                    const MetaBmpScaleAction* pA
+                                        = static_cast<const MetaBmpScaleAction*>(pAction);
+                                    aOutputRect.SetPos(pA->GetPoint());
+                                    aOutputRect.SetSize(pA->GetSize());
+                                }
+                            }
+                            auto ePixelFormat = aGraphic.GetBitmapEx().getPixelFormat();
+                            rWriter.DrawJPGBitmap(aTmp, ePixelFormat > vcl::PixelFormat::N8_BPP, aGraphic.GetSizePixel(), aOutputRect, aAlphaMask, aGraphic);
+                        }
+
+                        if ( bClippingNeeded )
+                            rWriter.Pop();
+                    }
+                    mbGroupIgnoreGDIMtfActions = false;
+                }
+                mCurrentGraphic.Clear();
+            }
+            break;
+            case PDFExtOutDevDataSync::CreateNamedDest:
+            case PDFExtOutDevDataSync::CreateDest:
+            case PDFExtOutDevDataSync::CreateLink:
+            case PDFExtOutDevDataSync::CreateScreen:
+            case PDFExtOutDevDataSync::SetLinkDest:
+            case PDFExtOutDevDataSync::SetLinkURL:
+            case PDFExtOutDevDataSync::SetScreenURL:
+            case PDFExtOutDevDataSync::SetScreenStream:
+            case PDFExtOutDevDataSync::RegisterDest:
+            case PDFExtOutDevDataSync::CreateOutlineItem:
+            case PDFExtOutDevDataSync::CreateNote:
+            case PDFExtOutDevDataSync::SetPageTransition:
+                break;
+        }
+    }
+    else if ( mbGroupIgnoreGDIMtfActions )
+    {
+        rCurGDIMtfAction++;
+        bRet = true;
+    }
+    return bRet;
+}
+
+PDFExtOutDevData::PDFExtOutDevData( const OutputDevice& rOutDev ) :
+    mrOutDev                ( rOutDev ),
+    mbTaggedPDF             ( false ),
+    mbExportNotes           ( true ),
+    mbExportNotesPages      ( false ),
+    mbTransitionEffects     ( true ),
+    mbUseLosslessCompression( true ),
+    mbReduceImageResolution ( false ),
+    mbExportFormFields      ( false ),
+    mbExportBookmarks       ( false ),
+    mbExportHiddenSlides    ( false ),
+    mbSinglePageSheets      ( false ),
+    mbExportNDests          ( false ),
+    mnPage                  ( -1 ),
+    mnCompressionQuality    ( 90 ),
+    mpGlobalSyncData        ( new GlobalSyncData() )
+{
+    mpPageSyncData.reset( new PageSyncData( mpGlobalSyncData.get() ) );
+}
+
+PDFExtOutDevData::~PDFExtOutDevData()
+{
+    mpPageSyncData.reset();
+    mpGlobalSyncData.reset();
+}
+
+const Graphic& PDFExtOutDevData::GetCurrentGraphic() const
+{
+    return mpPageSyncData->mCurrentGraphic;
+}
+
+void PDFExtOutDevData::SetDocumentLocale( const css::lang::Locale& rLoc )
+{
+    maDocLocale = rLoc;
+}
+void PDFExtOutDevData::SetCurrentPageNumber( const sal_Int32 nPage )
+{
+    mnPage = nPage;
+}
+void PDFExtOutDevData::SetIsLosslessCompression( const bool bUseLosslessCompression )
+{
+    mbUseLosslessCompression = bUseLosslessCompression;
+}
+void PDFExtOutDevData::SetCompressionQuality( const sal_Int32 nQuality )
+{
+    mnCompressionQuality = nQuality;
+}
+void PDFExtOutDevData::SetIsReduceImageResolution( const bool bReduceImageResolution )
+{
+    mbReduceImageResolution = bReduceImageResolution;
+}
+void PDFExtOutDevData::SetIsExportNotes( const bool bExportNotes )
+{
+    mbExportNotes = bExportNotes;
+}
+void PDFExtOutDevData::SetIsExportNotesPages( const bool bExportNotesPages )
+{
+    mbExportNotesPages = bExportNotesPages;
+}
+void PDFExtOutDevData::SetIsExportTaggedPDF( const bool bTaggedPDF )
+{
+    mbTaggedPDF = bTaggedPDF;
+}
+void PDFExtOutDevData::SetIsExportTransitionEffects( const bool bTransitionEffects )
+{
+    mbTransitionEffects = bTransitionEffects;
+}
+void PDFExtOutDevData::SetIsExportFormFields( const bool bExportFomtFields )
+{
+    mbExportFormFields = bExportFomtFields;
+}
+void PDFExtOutDevData::SetIsExportBookmarks( const bool bExportBookmarks )
+{
+    mbExportBookmarks = bExportBookmarks;
+}
+void PDFExtOutDevData::SetIsExportHiddenSlides( const bool bExportHiddenSlides )
+{
+    mbExportHiddenSlides = bExportHiddenSlides;
+}
+void PDFExtOutDevData::SetIsSinglePageSheets( const bool bSinglePageSheets )
+{
+    mbSinglePageSheets = bSinglePageSheets;
+}
+void PDFExtOutDevData::SetIsExportNamedDestinations( const bool bExportNDests )
+{
+    mbExportNDests = bExportNDests;
+}
+void PDFExtOutDevData::ResetSyncData()
+{
+    *mpPageSyncData = PageSyncData( mpGlobalSyncData.get() );
+}
+bool PDFExtOutDevData::PlaySyncPageAct( PDFWriter& rWriter, sal_uInt32& rIdx, const GDIMetaFile& rMtf )
+{
+    return mpPageSyncData->PlaySyncPageAct( rWriter, rIdx, rMtf, *this );
+}
+void PDFExtOutDevData::PlayGlobalActions( PDFWriter& rWriter )
+{
+    mpGlobalSyncData->PlayGlobalActions( rWriter );
+}
+
+/* global actions, synchronisation to the recorded metafile isn't needed,
+   all actions will be played after the last page was recorded
+*/
+//--->i56629
+sal_Int32 PDFExtOutDevData::CreateNamedDest(const OUString& sDestName,  const tools::Rectangle& rRect, sal_Int32 nPageNr )
+{
+    mpGlobalSyncData->mActions.push_back( PDFExtOutDevDataSync::CreateNamedDest );
+    mpGlobalSyncData->mParaOUStrings.push_back( sDestName );
+    mpGlobalSyncData->mParaRects.push_back( rRect );
+    mpGlobalSyncData->mParaMapModes.push_back( mrOutDev.GetMapMode() );
+    mpGlobalSyncData->mParaInts.push_back( nPageNr == -1 ? mnPage : nPageNr );
+    mpGlobalSyncData->mParaDestAreaTypes.push_back( PDFWriter::DestAreaType::XYZ );
+
+    return mpGlobalSyncData->mCurId++;
+}
+//<---i56629
+sal_Int32 PDFExtOutDevData::RegisterDest()
+{
+    const sal_Int32 nLinkDestID = mpGlobalSyncData->mCurId++;
+    mpGlobalSyncData->mActions.push_back( PDFExtOutDevDataSync::RegisterDest );
+    mpGlobalSyncData->mParaInts.push_back( nLinkDestID );
+
+    return nLinkDestID;
+}
+void PDFExtOutDevData::DescribeRegisteredDest( sal_Int32 nDestId, const tools::Rectangle& rRect, sal_Int32 nPageNr, PDFWriter::DestAreaType eType )
+{
+    OSL_PRECOND( nDestId != -1, "PDFExtOutDevData::DescribeRegisteredDest: invalid destination Id!" );
+    PDFLinkDestination aLinkDestination;
+    aLinkDestination.mRect = rRect;
+    aLinkDestination.mMapMode = mrOutDev.GetMapMode();
+    aLinkDestination.mPageNr = nPageNr == -1 ? mnPage : nPageNr;
+    aLinkDestination.mAreaType = eType;
+    mpGlobalSyncData->mFutureDestinations[ nDestId ] = aLinkDestination;
+}
+sal_Int32 PDFExtOutDevData::CreateDest( const tools::Rectangle& rRect, sal_Int32 nPageNr, PDFWriter::DestAreaType eType )
+{
+    mpGlobalSyncData->mActions.push_back( PDFExtOutDevDataSync::CreateDest );
+    mpGlobalSyncData->mParaRects.push_back( rRect );
+    mpGlobalSyncData->mParaMapModes.push_back( mrOutDev.GetMapMode() );
+    mpGlobalSyncData->mParaInts.push_back( nPageNr == -1 ? mnPage : nPageNr );
+    mpGlobalSyncData->mParaDestAreaTypes.push_back( eType );
+    return mpGlobalSyncData->mCurId++;
+}
+sal_Int32 PDFExtOutDevData::CreateLink(const tools::Rectangle& rRect, OUString const& rAltText, sal_Int32 nPageNr)
+{
+    mpGlobalSyncData->mActions.push_back( PDFExtOutDevDataSync::CreateLink );
+    mpGlobalSyncData->mParaRects.push_back( rRect );
+    mpGlobalSyncData->mParaMapModes.push_back( mrOutDev.GetMapMode() );
+    mpGlobalSyncData->mParaInts.push_back( nPageNr == -1 ? mnPage : nPageNr );
+    mpGlobalSyncData->mParaOUStrings.push_back(rAltText);
+    return mpGlobalSyncData->mCurId++;
+}
+
+sal_Int32 PDFExtOutDevData::CreateScreen(const tools::Rectangle& rRect, sal_Int32 nPageNr)
+{
+    mpGlobalSyncData->mActions.push_back(PDFExtOutDevDataSync::CreateScreen);
+    mpGlobalSyncData->mParaRects.push_back(rRect);
+    mpGlobalSyncData->mParaMapModes.push_back(mrOutDev.GetMapMode());
+    mpGlobalSyncData->mParaInts.push_back(nPageNr);
+    return mpGlobalSyncData->mCurId++;
+}
+
+void PDFExtOutDevData::SetLinkDest( sal_Int32 nLinkId, sal_Int32 nDestId )
+{
+    mpGlobalSyncData->mActions.push_back( PDFExtOutDevDataSync::SetLinkDest );
+    mpGlobalSyncData->mParaInts.push_back( nLinkId );
+    mpGlobalSyncData->mParaInts.push_back( nDestId );
+}
+void PDFExtOutDevData::SetLinkURL( sal_Int32 nLinkId, const OUString& rURL )
+{
+    mpGlobalSyncData->mActions.push_back( PDFExtOutDevDataSync::SetLinkURL );
+    mpGlobalSyncData->mParaInts.push_back( nLinkId );
+    mpGlobalSyncData->mParaOUStrings.push_back( rURL );
+}
+
+void PDFExtOutDevData::SetScreenURL(sal_Int32 nScreenId, const OUString& rURL)
+{
+    mpGlobalSyncData->mActions.push_back(PDFExtOutDevDataSync::SetScreenURL);
+    mpGlobalSyncData->mParaInts.push_back(nScreenId);
+    mpGlobalSyncData->mParaOUStrings.push_back(rURL);
+}
+
+void PDFExtOutDevData::SetScreenStream(sal_Int32 nScreenId, const OUString& rURL)
+{
+    mpGlobalSyncData->mActions.push_back(PDFExtOutDevDataSync::SetScreenStream);
+    mpGlobalSyncData->mParaInts.push_back(nScreenId);
+    mpGlobalSyncData->mParaOUStrings.push_back(rURL);
+}
+
+sal_Int32 PDFExtOutDevData::CreateOutlineItem( sal_Int32 nParent, const OUString& rText, sal_Int32 nDestID )
+{
+    if (nParent == -1)
+        // Has no parent, it's a chapter / heading 1.
+        maChapterNames.push_back(rText);
+
+    mpGlobalSyncData->mActions.push_back( PDFExtOutDevDataSync::CreateOutlineItem );
+    mpGlobalSyncData->mParaInts.push_back( nParent );
+    mpGlobalSyncData->mParaOUStrings.push_back( rText );
+    mpGlobalSyncData->mParaInts.push_back( nDestID );
+    return mpGlobalSyncData->mCurId++;
+}
+void PDFExtOutDevData::CreateNote( const tools::Rectangle& rRect, const PDFNote& rNote, sal_Int32 nPageNr )
+{
+    mpGlobalSyncData->mActions.push_back( PDFExtOutDevDataSync::CreateNote );
+    mpGlobalSyncData->mParaRects.push_back( rRect );
+    mpGlobalSyncData->mParaMapModes.push_back( mrOutDev.GetMapMode() );
+    mpGlobalSyncData->mParaPDFNotes.push_back( rNote );
+    mpGlobalSyncData->mParaInts.push_back( nPageNr == -1 ? mnPage : nPageNr );
+}
+void PDFExtOutDevData::SetPageTransition( PDFWriter::PageTransition eType, sal_uInt32 nMilliSec )
+{
+    mpGlobalSyncData->mActions.push_back( PDFExtOutDevDataSync::SetPageTransition );
+    mpGlobalSyncData->mParaPageTransitions.push_back( eType );
+    mpGlobalSyncData->mParauInts.push_back( nMilliSec );
+    mpGlobalSyncData->mParaInts.push_back( mnPage );
+}
+
+/* local (page), actions have to be played synchronously to the actions of
+   of the recorded metafile (created by each xRenderable->render()) */
+   sal_Int32 PDFExtOutDevData::BeginStructureElement( PDFWriter::StructElement eType, const OUString& rAlias )
+{
+    mpPageSyncData->PushAction( mrOutDev, PDFExtOutDevDataSync::BeginStructureElement );
+    mpPageSyncData->mParaStructElements.push_back( eType );
+    mpPageSyncData->mParaOUStrings.push_back( rAlias );
+    // need a global id
+    sal_Int32 nNewId = mpGlobalSyncData->mStructParents.size();
+    mpGlobalSyncData->mStructParents.push_back( mpGlobalSyncData->mCurrentStructElement );
+    mpGlobalSyncData->mCurrentStructElement = nNewId;
+    return nNewId;
+}
+void PDFExtOutDevData::EndStructureElement()
+{
+    mpPageSyncData->PushAction( mrOutDev, PDFExtOutDevDataSync::EndStructureElement );
+    mpGlobalSyncData->mCurrentStructElement = mpGlobalSyncData->mStructParents[ mpGlobalSyncData->mCurrentStructElement ];
+}
+bool PDFExtOutDevData::SetCurrentStructureElement( sal_Int32 nStructId )
+{
+    bool bSuccess = false;
+    if( o3tl::make_unsigned(nStructId) < mpGlobalSyncData->mStructParents.size() )
+    {
+        mpGlobalSyncData->mCurrentStructElement = nStructId;
+        mpPageSyncData->PushAction( mrOutDev, PDFExtOutDevDataSync::SetCurrentStructureElement );
+        mpPageSyncData->mParaInts.push_back( nStructId );
+        bSuccess = true;
+    }
+    return bSuccess;
+}
+sal_Int32 PDFExtOutDevData::GetCurrentStructureElement() const
+{
+    return mpGlobalSyncData->mCurrentStructElement;
+}
+void PDFExtOutDevData::SetStructureAttribute( PDFWriter::StructAttribute eAttr, PDFWriter::StructAttributeValue eVal )
+{
+    mpPageSyncData->PushAction( mrOutDev, PDFExtOutDevDataSync::SetStructureAttribute );
+    mpPageSyncData->mParaStructAttributes.push_back( eAttr );
+    mpPageSyncData->mParaStructAttributeValues.push_back( eVal );
+}
+void PDFExtOutDevData::SetStructureAttributeNumerical( PDFWriter::StructAttribute eAttr, sal_Int32 nValue )
+{
+    mpPageSyncData->PushAction( mrOutDev, PDFExtOutDevDataSync::SetStructureAttributeNumerical );
+    mpPageSyncData->mParaStructAttributes.push_back( eAttr );
+    mpPageSyncData->mParaInts.push_back( nValue );
+}
+void PDFExtOutDevData::SetStructureBoundingBox( const tools::Rectangle& rRect )
+{
+    mpPageSyncData->PushAction( mrOutDev, PDFExtOutDevDataSync::SetStructureBoundingBox );
+    mpPageSyncData->mParaRects.push_back( rRect );
+}
+void PDFExtOutDevData::SetActualText( const OUString& rText )
+{
+    mpPageSyncData->PushAction( mrOutDev, PDFExtOutDevDataSync::SetActualText );
+    mpPageSyncData->mParaOUStrings.push_back( rText );
+}
+void PDFExtOutDevData::SetAlternateText( const OUString& rText )
+{
+    mpPageSyncData->PushAction( mrOutDev, PDFExtOutDevDataSync::SetAlternateText );
+    mpPageSyncData->mParaOUStrings.push_back( rText );
+}
+
+void PDFExtOutDevData::CreateControl( const PDFWriter::AnyWidget& rControlType )
+{
+    mpPageSyncData->PushAction( mrOutDev, PDFExtOutDevDataSync::CreateControl );
+
+    std::shared_ptr< PDFWriter::AnyWidget > pClone( rControlType.Clone() );
+    mpPageSyncData->mControls.push_back( pClone );
+}
+
+void PDFExtOutDevData::BeginGroup()
+{
+    mpPageSyncData->PushAction( mrOutDev, PDFExtOutDevDataSync::BeginGroup );
+}
+
+void PDFExtOutDevData::EndGroup( const Graphic&     rGraphic,
+                                 sal_uInt8          nTransparency,
+                                 const tools::Rectangle&   rOutputRect,
+                                 const tools::Rectangle&   rVisibleOutputRect )
+{
+    mpPageSyncData->PushAction( mrOutDev, PDFExtOutDevDataSync::EndGroupGfxLink );
+    mpPageSyncData->mGraphics.push_back( rGraphic );
+    mpPageSyncData->mParaInts.push_back( nTransparency );
+    mpPageSyncData->mParaRects.push_back( rOutputRect );
+    mpPageSyncData->mParaRects.push_back( rVisibleOutputRect );
+}
+
+// Avoids expensive de-compression and re-compression of large images.
+bool PDFExtOutDevData::HasAdequateCompression( const Graphic &rGraphic,
+                                               const tools::Rectangle & rOutputRect,
+                                               const tools::Rectangle & rVisibleOutputRect ) const
+{
+    assert(rGraphic.IsGfxLink() &&
+           (rGraphic.GetGfxLink().GetType() == GfxLinkType::NativeJpg ||
+            rGraphic.GetGfxLink().GetType() == GfxLinkType::NativePng ||
+            rGraphic.GetGfxLink().GetType() == GfxLinkType::NativePdf));
+
+    if (rOutputRect != rVisibleOutputRect)
+        // rOutputRect is the crop rectangle, re-compress cropped image.
+        return false;
+
+    if (mbReduceImageResolution)
+        // Reducing resolution was requested, implies that re-compressing is
+        // wanted.
+        return false;
+
+    auto nSize = rGraphic.GetGfxLink().GetDataSize();
+    if (nSize == 0)
+        return false;
+
+    GfxLink aLink = rGraphic.GetGfxLink();
+    SvMemoryStream aMemoryStream(const_cast<sal_uInt8*>(aLink.GetData()), aLink.GetDataSize(),
+                                 StreamMode::READ | StreamMode::WRITE);
+    GraphicDescriptor aDescriptor(aMemoryStream, nullptr);
+    if (aDescriptor.Detect(true) && aDescriptor.GetNumberOfImageComponents() == 4)
+        // 4 means CMYK, which is not handled.
+        return false;
+
+    const Size aSize = rGraphic.GetSizePixel();
+
+    // small items better off as PNG anyway
+    if ( aSize.Width() < 32 &&
+         aSize.Height() < 32 )
+        return false;
+
+    if (GetIsLosslessCompression())
+        return !GetIsReduceImageResolution();
+
+    // FIXME: ideally we'd also pre-empt the DPI related scaling too.
+    sal_Int32 nCurrentRatio = (100 * aSize.Width() * aSize.Height() * 4) /
+                               nSize;
+
+    static const struct {
+        sal_Int32 mnQuality;
+        sal_Int32 mnRatio;
+    } aRatios[] = { // minimum tolerable compression ratios
+        { 100, 400 }, { 95, 700 }, { 90, 1000 }, { 85, 1200 },
+        { 80, 1500 }, { 75, 1700 }
+    };
+    sal_Int32 nTargetRatio = 10000;
+    bool bIsTargetRatioReached = false;
+    for (auto & rRatio : aRatios)
+    {
+        if ( mnCompressionQuality > rRatio.mnQuality )
+        {
+            bIsTargetRatioReached = true;
+            break;
+        }
+        nTargetRatio = rRatio.mnRatio;
+    }
+
+    return ((nCurrentRatio > nTargetRatio) && bIsTargetRatioReached);
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */