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

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

2 files changed, 689 insertions, 0 deletions

diff --git a/svx/source/core/extedit.cxx b/svx/source/core/extedit.cxx
new file mode 100644
index 000000000..3225e47f0
--- /dev/null
+++ b/svx/source/core/extedit.cxx
@@ -0,0 +1,204 @@
+/* -*- 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/.
+ */
+
+#include <svx/extedit.hxx>
+
+#include <vcl/graph.hxx>
+#include <vcl/GraphicObject.hxx>
+#include <vcl/cvtgrf.hxx>
+#include <vcl/graphicfilter.hxx>
+#include <svx/xoutbmp.hxx>
+#include <svx/graphichelper.hxx>
+#include <svx/svdpagv.hxx>
+#include <svx/svdograf.hxx>
+#include <svx/fmview.hxx>
+#include <salhelper/thread.hxx>
+#include <sal/log.hxx>
+#include <osl/file.hxx>
+#include <svtools/filechangedchecker.hxx>
+#include <tools/diagnose_ex.h>
+#include <unotools/ucbstreamhelper.hxx>
+#include <comphelper/processfactory.hxx>
+
+#include <memory>
+
+#include <com/sun/star/system/SystemShellExecute.hpp>
+#include <com/sun/star/system/SystemShellExecuteFlags.hpp>
+
+using namespace css::uno;
+using namespace css::system;
+
+ExternalToolEdit::ExternalToolEdit()
+{
+}
+
+ExternalToolEdit::~ExternalToolEdit()
+{
+}
+
+void ExternalToolEdit::HandleCloseEvent(ExternalToolEdit* pData)
+{
+    Graphic newGraphic;
+
+    //import the temp file image stream into the newGraphic
+    std::unique_ptr<SvStream> pStream(utl::UcbStreamHelper::CreateStream(pData->m_aFileName, StreamMode::READ));
+    if(pStream)
+    {
+        GraphicConverter::Import(*pStream, newGraphic);
+
+        // Now update the Graphic in the shell by re-reading from the newGraphic
+        pData->Update( newGraphic );
+    }
+}
+
+void ExternalToolEdit::StartListeningEvent()
+{
+    //Start an event listener implemented via VCL timeout
+    assert(!m_pChecker);
+    m_pChecker.reset(new FileChangedChecker(
+            m_aFileName, [this] () { return HandleCloseEvent(this); }));
+}
+
+namespace {
+
+// self-destructing thread to make shell execute async
+class ExternalToolEditThread
+    : public ::salhelper::Thread
+{
+private:
+    OUString const m_aFileName;
+
+    virtual void execute() override;
+
+public:
+    explicit ExternalToolEditThread(OUString const& rFileName)
+        : ::salhelper::Thread("ExternalToolEdit")
+        , m_aFileName(rFileName)
+    {}
+};
+
+}
+
+void ExternalToolEditThread::execute()
+{
+    try
+    {
+        Reference<XSystemShellExecute> const xSystemShellExecute(
+            SystemShellExecute::create( ::comphelper::getProcessComponentContext()));
+        xSystemShellExecute->execute(m_aFileName, OUString(),
+                SystemShellExecuteFlags::URIS_ONLY);
+    }
+    catch (Exception const&)
+    {
+        TOOLS_WARN_EXCEPTION("svx", "ExternalToolEditThread");
+    }
+}
+
+void ExternalToolEdit::Edit(GraphicObject const*const pGraphicObject)
+{
+    //Get the graphic from the GraphicObject
+    const Graphic& aGraphic = pGraphicObject->GetGraphic();
+
+    //get the Preferred File Extension for this graphic
+    OUString fExtension;
+    GraphicHelper::GetPreferredExtension(fExtension, aGraphic);
+
+    //Create the temp File
+    OUString aTempFileBase;
+    OUString aTempFileName;
+
+    osl::FileBase::RC rc =
+        osl::FileBase::createTempFile(nullptr, nullptr, &aTempFileBase);
+    if (osl::FileBase::E_None != rc)
+    {
+        SAL_WARN("svx", "ExternalToolEdit::Edit: cannot create temp file");
+        return;
+    }
+
+    // Move it to a file name with image extension properly set
+    aTempFileName = aTempFileBase + "." + fExtension;
+    // FIXME: this is pretty stupid, need a better osl temp file API
+    rc = osl::File::move(aTempFileBase, aTempFileName);
+    if (osl::FileBase::E_None != rc)
+    {
+        SAL_WARN("svx", "ExternalToolEdit::Edit: cannot move temp file");
+        return;
+    }
+
+    //Write Graphic to the Temp File
+    GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
+    sal_uInt16 nFilter(rGraphicFilter.GetExportFormatNumberForShortName(fExtension));
+
+    OUString aFilter(rGraphicFilter.GetExportFormatShortName(nFilter));
+
+    // Write the Graphic to the file now
+    XOutBitmap::WriteGraphic(aGraphic, aTempFileName, aFilter, XOutFlags::UseNativeIfPossible | XOutFlags::DontExpandFilename);
+
+    // There is a possibility that sPath extension might have been changed if the
+    // provided extension is not writable
+    m_aFileName = aTempFileName;
+
+    //Create a thread
+
+    rtl::Reference<ExternalToolEditThread> const pThread(
+            new ExternalToolEditThread(m_aFileName));
+    pThread->launch();
+
+    StartListeningEvent();
+}
+
+SdrExternalToolEdit::SdrExternalToolEdit(
+    FmFormView* pView,
+    SdrObject* pObj)
+:   m_pView(pView)
+    ,m_pObj(pObj)
+{
+    assert(m_pObj && m_pView);
+    StartListening(m_pObj->getSdrModelFromSdrObject());
+}
+
+
+void SdrExternalToolEdit::Notify(SfxBroadcaster & rBC, SfxHint const& rHint)
+{
+    if (rHint.GetId() != SfxHintId::ThisIsAnSdrHint)
+        return;
+    SdrHint const*const pSdrHint(static_cast<SdrHint const*>(&rHint));
+    if (SdrHintKind::ModelCleared == pSdrHint->GetKind()
+            || (pSdrHint->GetObject() == m_pObj
+                && SdrHintKind::ObjectRemoved == pSdrHint->GetKind()))
+    {
+        m_pView = nullptr;
+        m_pObj = nullptr;
+        m_pChecker.reset(); // avoid modifying deleted object
+        EndListening(rBC);
+    }
+}
+
+void SdrExternalToolEdit::Update(Graphic & rGraphic)
+{
+    assert(m_pObj && m_pView); // timer should be deleted by Notify() too
+    SdrPageView *const pPageView = m_pView->GetSdrPageView();
+    if (!pPageView)
+        return;
+
+    SdrGrafObj *const pNewObj(static_cast<SdrGrafObj*>(m_pObj->CloneSdrObject(m_pObj->getSdrModelFromSdrObject())));
+    assert(pNewObj);
+    OUString const description =
+        m_pView->GetDescriptionOfMarkedObjects() + " External Edit";
+    m_pView->BegUndo(description);
+    pNewObj->SetGraphicObject(rGraphic);
+    // set to new object before ReplaceObjectAtView() so that Notify() will
+    // not delete the running timer and crash
+    SdrObject *const pOldObj = m_pObj;
+    m_pObj = pNewObj;
+    m_pView->ReplaceObjectAtView(pOldObj, *pPageView, pNewObj);
+    m_pView->EndUndo();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/svx/source/core/graphichelper.cxx b/svx/source/core/graphichelper.cxx
new file mode 100644
index 000000000..853be47d3
--- /dev/null
+++ b/svx/source/core/graphichelper.cxx
@@ -0,0 +1,485 @@
+/* -*- 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/graphicfilter.hxx>
+#include <sfx2/docfile.hxx>
+#include <sfx2/filedlghelper.hxx>
+#include <svx/xoutbmp.hxx>
+#include <svx/dialmgr.hxx>
+#include <svx/graphichelper.hxx>
+#include <svx/strings.hrc>
+#include <tools/diagnose_ex.h>
+#include <vcl/svapp.hxx>
+#include <vcl/weld.hxx>
+
+#include <comphelper/processfactory.hxx>
+#include <comphelper/propertyvalue.hxx>
+
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/container/NoSuchElementException.hpp>
+#include <com/sun/star/document/XExporter.hpp>
+#include <com/sun/star/drawing/GraphicExportFilter.hpp>
+#include <com/sun/star/drawing/XShape.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/lang/XComponent.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/ucb/SimpleFileAccess.hpp>
+#include <com/sun/star/ui/dialogs/XFilePicker3.hpp>
+#include <com/sun/star/ui/dialogs/TemplateDescription.hpp>
+#include <com/sun/star/beans/XPropertyAccess.hpp>
+#include <com/sun/star/task/ErrorCodeIOException.hpp>
+#include <com/sun/star/graphic/XGraphic.hpp>
+#include <com/sun/star/drawing/ShapeCollection.hpp>
+
+#include <map>
+
+#include <unotools/streamwrap.hxx>
+
+using namespace css::uno;
+using namespace css::lang;
+using namespace css::graphic;
+using namespace css::ucb;
+using namespace css::beans;
+using namespace css::io;
+using namespace css::document;
+using namespace css::ui::dialogs;
+using namespace css::container;
+using namespace com::sun::star::task;
+
+using namespace sfx2;
+
+namespace drawing = com::sun::star::drawing;
+
+void GraphicHelper::GetPreferredExtension( OUString& rExtension, const Graphic& rGraphic )
+{
+    OUString aExtension = "png";
+    auto const & rVectorGraphicDataPtr(rGraphic.getVectorGraphicData());
+
+    if (rVectorGraphicDataPtr && !rVectorGraphicDataPtr->getBinaryDataContainer().isEmpty())
+    {
+        switch (rVectorGraphicDataPtr->getType())
+        {
+        case VectorGraphicDataType::Wmf:
+            aExtension = "wmf";
+            break;
+        case VectorGraphicDataType::Emf:
+            aExtension = "emf";
+            break;
+        default: // case VectorGraphicDataType::Svg:
+            aExtension = "svg";
+            break;
+        }
+
+        rExtension = aExtension;
+        return;
+    }
+
+    switch( rGraphic.GetGfxLink().GetType() )
+    {
+        case GfxLinkType::NativeGif:
+            aExtension = "gif";
+            break;
+        case GfxLinkType::NativeTif:
+            aExtension = "tif";
+            break;
+        case GfxLinkType::NativeWmf:
+            aExtension = "wmf";
+            break;
+        case GfxLinkType::NativeMet:
+            aExtension = "met";
+            break;
+        case GfxLinkType::NativePct:
+            aExtension = "pct";
+            break;
+        case GfxLinkType::NativeJpg:
+            aExtension = "jpg";
+            break;
+        case GfxLinkType::NativeBmp:
+            aExtension = "bmp";
+            break;
+        case GfxLinkType::NativeSvg:
+            aExtension = "svg";
+            break;
+        case GfxLinkType::NativePdf:
+            aExtension = "pdf";
+            break;
+        case GfxLinkType::NativeWebp:
+            aExtension = "webp";
+            break;
+        default:
+            break;
+    }
+    rExtension = aExtension;
+}
+
+OUString GraphicHelper::GetImageType(const Graphic& rGraphic)
+{
+    OUString aGraphicTypeString = SvxResId(STR_IMAGE_UNKNOWN);
+    auto pGfxLink = rGraphic.GetSharedGfxLink();
+    if (pGfxLink)
+    {
+        switch (pGfxLink->GetType())
+        {
+            case GfxLinkType::NativeGif:
+                aGraphicTypeString = SvxResId(STR_IMAGE_GIF);
+                break;
+            case GfxLinkType::NativeJpg:
+                aGraphicTypeString = SvxResId(STR_IMAGE_JPEG);
+                break;
+            case GfxLinkType::NativePng:
+                aGraphicTypeString = SvxResId(STR_IMAGE_PNG);
+                break;
+            case GfxLinkType::NativeTif:
+                aGraphicTypeString = SvxResId(STR_IMAGE_TIFF);
+                break;
+            case GfxLinkType::NativeWmf:
+                aGraphicTypeString = SvxResId(STR_IMAGE_WMF);
+                break;
+            case GfxLinkType::NativeMet:
+                aGraphicTypeString = SvxResId(STR_IMAGE_MET);
+                break;
+            case GfxLinkType::NativePct:
+                aGraphicTypeString = SvxResId(STR_IMAGE_PCT);
+                break;
+            case GfxLinkType::NativeSvg:
+                aGraphicTypeString = SvxResId(STR_IMAGE_SVG);
+                break;
+            case GfxLinkType::NativeBmp:
+                aGraphicTypeString = SvxResId(STR_IMAGE_BMP);
+                break;
+            case GfxLinkType::NativeWebp:
+                aGraphicTypeString = SvxResId(STR_IMAGE_WEBP);
+                break;
+            default:
+                break;
+        }
+    }
+    return aGraphicTypeString;
+}
+namespace {
+
+
+bool lcl_ExecuteFilterDialog( const Sequence< PropertyValue >& rPropsForDialog,
+                              Sequence< PropertyValue >& rFilterData )
+{
+    bool bStatus = false;
+    try
+    {
+        Reference< XExecutableDialog > xFilterDialog(
+                comphelper::getProcessServiceFactory()->createInstance( "com.sun.star.svtools.SvFilterOptionsDialog" ), UNO_QUERY );
+        Reference< XPropertyAccess > xFilterProperties( xFilterDialog, UNO_QUERY );
+
+        if( xFilterDialog.is() && xFilterProperties.is() )
+        {
+            xFilterProperties->setPropertyValues( rPropsForDialog );
+            if( xFilterDialog->execute() )
+            {
+                bStatus = true;
+                const Sequence< PropertyValue > aPropsFromDialog = xFilterProperties->getPropertyValues();
+                for ( const auto& rProp : aPropsFromDialog )
+                {
+                    if (rProp.Name == "FilterData")
+                    {
+                        rProp.Value >>= rFilterData;
+                    }
+                }
+            }
+        }
+    }
+    catch( const NoSuchElementException& e )
+    {
+        // the filter name is unknown
+        throw ErrorCodeIOException(
+            ("lcl_ExecuteFilterDialog: NoSuchElementException"
+             " \"" + e.Message + "\": ERRCODE_IO_ABORT"),
+            Reference< XInterface >(), sal_uInt32(ERRCODE_IO_INVALIDPARAMETER));
+    }
+    catch( const ErrorCodeIOException& )
+    {
+        throw;
+    }
+    catch( const Exception& )
+    {
+        TOOLS_WARN_EXCEPTION("sfx.doc", "ignoring");
+    }
+
+    return bStatus;
+}
+} // anonymous ns
+
+OUString GraphicHelper::ExportGraphic(weld::Window* pParent, const Graphic& rGraphic, const OUString& rGraphicName)
+{
+    FileDialogHelper aDialogHelper(TemplateDescription::FILESAVE_AUTOEXTENSION, FileDialogFlags::NONE, pParent);
+    Reference < XFilePicker3 > xFilePicker = aDialogHelper.GetFilePicker();
+
+    // fish out the graphic's name
+    aDialogHelper.SetContext(FileDialogHelper::ExportImage);
+    aDialogHelper.SetTitle( SvxResId(RID_SVXSTR_EXPORT_GRAPHIC_TITLE));
+    INetURLObject aURL;
+    aURL.SetSmartURL( rGraphicName );
+    aDialogHelper.SetFileName(aURL.GetLastName());
+
+    GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
+    const sal_uInt16 nCount = rGraphicFilter.GetExportFormatCount();
+
+    OUString aExtension(aURL.GetFileExtension());
+    if( aExtension.isEmpty() )
+    {
+        GetPreferredExtension( aExtension, rGraphic );
+    }
+
+    aExtension = aExtension.toAsciiLowerCase();
+    sal_uInt16 nDefaultFilter = USHRT_MAX;
+
+    for ( sal_uInt16 i = 0; i < nCount; i++ )
+    {
+        xFilePicker->appendFilter( rGraphicFilter.GetExportFormatName( i ), rGraphicFilter.GetExportWildcard( i ) );
+        OUString aFormatShortName = rGraphicFilter.GetExportFormatShortName( i );
+        if ( aFormatShortName.equalsIgnoreAsciiCase( aExtension ) )
+        {
+            nDefaultFilter = i;
+        }
+    }
+    if ( USHRT_MAX == nDefaultFilter )
+    {
+        // "wrong" extension?
+        GetPreferredExtension( aExtension, rGraphic );
+        for ( sal_uInt16 i = 0; i < nCount; ++i )
+            if ( aExtension == rGraphicFilter.GetExportFormatShortName( i ).toAsciiLowerCase() )
+            {
+                nDefaultFilter =  i;
+                break;
+            }
+    }
+
+    if( USHRT_MAX != nDefaultFilter )
+    {
+        xFilePicker->setCurrentFilter( rGraphicFilter.GetExportFormatName( nDefaultFilter ) ) ;
+
+        if( aDialogHelper.Execute() == ERRCODE_NONE )
+        {
+            OUString sPath( xFilePicker->getFiles().getConstArray()[0] );
+            if( !rGraphicName.isEmpty() &&
+                nDefaultFilter == rGraphicFilter.GetExportFormatNumber( xFilePicker->getCurrentFilter()))
+            {
+                // try to save the original graphic
+                SfxMedium aIn( rGraphicName, StreamMode::READ | StreamMode::NOCREATE );
+                if( aIn.GetInStream() && !aIn.GetInStream()->GetError() )
+                {
+                    SfxMedium aOut( sPath, StreamMode::WRITE | StreamMode::SHARE_DENYNONE);
+                    if( aOut.GetOutStream() && !aOut.GetOutStream()->GetError())
+                    {
+                        aOut.GetOutStream()->WriteStream( *aIn.GetInStream() );
+                        if ( ERRCODE_NONE == aIn.GetError() )
+                        {
+                            aOut.Close();
+                            aOut.Commit();
+                            if ( ERRCODE_NONE == aOut.GetError() )
+                                return sPath;
+                        }
+                    }
+                }
+            }
+
+            sal_uInt16 nFilter;
+            if ( !xFilePicker->getCurrentFilter().isEmpty() && rGraphicFilter.GetExportFormatCount() )
+            {
+                nFilter = rGraphicFilter.GetExportFormatNumber( xFilePicker->getCurrentFilter() );
+            }
+            else
+            {
+                nFilter = GRFILTER_FORMAT_DONTKNOW;
+            }
+            OUString aFilter( rGraphicFilter.GetExportFormatShortName( nFilter ) );
+
+            if ( rGraphic.GetType() == GraphicType::Bitmap )
+            {
+                Graphic aGraphic = rGraphic;
+                Reference<XGraphic> xGraphic = aGraphic.GetXGraphic();
+
+                OUString aExportFilter = rGraphicFilter.GetExportInternalFilterName(nFilter);
+
+                Sequence< PropertyValue > aPropsForDialog{
+                    comphelper::makePropertyValue("Graphic", xGraphic),
+                    comphelper::makePropertyValue("FilterName", aExportFilter)
+                };
+
+                Sequence< PropertyValue > aFilterData;
+                bool bStatus = lcl_ExecuteFilterDialog(aPropsForDialog, aFilterData);
+                if (bStatus)
+                {
+                    sal_Int32 nWidth = 0;
+                    sal_Int32 nHeight = 0;
+
+                    for (const auto& rProp : std::as_const(aFilterData))
+                    {
+                        if (rProp.Name == "PixelWidth")
+                        {
+                            rProp.Value >>= nWidth;
+                        }
+                        else if (rProp.Name == "PixelHeight")
+                        {
+                            rProp.Value >>= nHeight;
+                        }
+                    }
+
+                    // scaling must performed here because png/jpg writer s
+                    // do not take care of that.
+                    Size aSizePixel( aGraphic.GetSizePixel() );
+                    if( nWidth && nHeight &&
+                        ( ( nWidth != aSizePixel.Width() ) ||
+                          ( nHeight != aSizePixel.Height() ) ) )
+                    {
+                        BitmapEx aBmpEx( aGraphic.GetBitmapEx() );
+                        // export: use highest quality
+                        aBmpEx.Scale( Size( nWidth, nHeight ), BmpScaleFlag::Lanczos );
+                        aGraphic = aBmpEx;
+                    }
+
+                    XOutBitmap::WriteGraphic( aGraphic, sPath, aFilter,
+                                                XOutFlags::DontExpandFilename |
+                                                XOutFlags::DontAddExtension |
+                                                XOutFlags::UseNativeIfPossible,
+                                                nullptr, &aFilterData );
+                    return sPath;
+                }
+            }
+            else
+            {
+                XOutBitmap::WriteGraphic( rGraphic, sPath, aFilter,
+                                            XOutFlags::DontExpandFilename |
+                                            XOutFlags::DontAddExtension |
+                                            XOutFlags::UseNativeIfPossible );
+            }
+        }
+    }
+    return OUString();
+}
+
+void GraphicHelper::SaveShapeAsGraphicToPath(
+    const css::uno::Reference<css::lang::XComponent>& xComponent,
+    const css::uno::Reference<css::drawing::XShape>& xShape, const OUString& aExportMimeType,
+    const OUString& sPath)
+{
+    Reference<XComponentContext> xContext(::comphelper::getProcessComponentContext());
+    Reference<XInputStream> xGraphStream;
+
+    if (xGraphStream.is())
+    {
+        Reference<XSimpleFileAccess3> xFileAccess = SimpleFileAccess::create(xContext);
+        xFileAccess->writeFile(sPath, xGraphStream);
+    }
+    else if (xComponent.is() && aExportMimeType == "application/pdf")
+    {
+        css::uno::Reference<css::lang::XMultiServiceFactory> xMSF(xContext->getServiceManager(),
+                                                                  css::uno::UNO_QUERY);
+        css::uno::Reference<css::document::XExporter> xExporter(
+            xMSF->createInstance("com.sun.star.comp.PDF.PDFFilter"), css::uno::UNO_QUERY);
+        xExporter->setSourceDocument(xComponent);
+
+        css::uno::Reference<css::drawing::XShapes> xShapes
+            = css::drawing::ShapeCollection::create(comphelper::getProcessComponentContext());
+        xShapes->add(xShape);
+        css::uno::Sequence<PropertyValue> aFilterData{
+            comphelper::makePropertyValue("Selection", xShapes),
+        };
+        SvFileStream aStream(sPath, StreamMode::READWRITE | StreamMode::TRUNC);
+        css::uno::Reference<css::io::XOutputStream> xStream(new utl::OStreamWrapper(aStream));
+        css::uno::Sequence<PropertyValue> aDescriptor{
+            comphelper::makePropertyValue("FilterData", aFilterData),
+            comphelper::makePropertyValue("OutputStream", xStream)
+        };
+        css::uno::Reference<css::document::XFilter> xFilter(xExporter, css::uno::UNO_QUERY);
+        xFilter->filter(aDescriptor);
+    }
+    else
+    {
+        Reference<css::drawing::XGraphicExportFilter> xGraphicExporter
+            = css::drawing::GraphicExportFilter::create(xContext);
+
+        Sequence<PropertyValue> aDescriptor{ comphelper::makePropertyValue("MediaType",
+                                                                           aExportMimeType),
+                                             comphelper::makePropertyValue("URL", sPath) };
+
+        Reference<XComponent> xSourceDocument(xShape, UNO_QUERY_THROW);
+        xGraphicExporter->setSourceDocument(xSourceDocument);
+        xGraphicExporter->filter(aDescriptor);
+    }
+}
+
+void GraphicHelper::SaveShapeAsGraphic(weld::Window* pParent,
+                                       const css::uno::Reference<css::lang::XComponent>& xComponent,
+                                       const Reference<drawing::XShape>& xShape)
+{
+    try
+    {
+        Reference< XPropertySet > xShapeSet( xShape, UNO_QUERY_THROW );
+
+        FileDialogHelper aDialogHelper(TemplateDescription::FILESAVE_AUTOEXTENSION, FileDialogFlags::NONE, pParent);
+        Reference < XFilePicker3 > xFilePicker = aDialogHelper.GetFilePicker();
+        aDialogHelper.SetContext(FileDialogHelper::ExportImage);
+        aDialogHelper.SetTitle( SvxResId(RID_SVXSTR_SAVEAS_IMAGE) );
+
+        // populate filter dialog filter list and select default filter to match graphic mime type
+
+        GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
+        static const OUStringLiteral aDefaultMimeType(u"image/png");
+        OUString aDefaultFormatName;
+        sal_uInt16 nCount = rGraphicFilter.GetExportFormatCount();
+
+        std::map< OUString, OUString > aMimeTypeMap;
+
+        for ( sal_uInt16 i = 0; i < nCount; i++ )
+        {
+            const OUString aExportFormatName( rGraphicFilter.GetExportFormatName( i ) );
+            const OUString aFilterMimeType( rGraphicFilter.GetExportFormatMediaType( i ) );
+            xFilePicker->appendFilter( aExportFormatName, rGraphicFilter.GetExportWildcard( i ) );
+            aMimeTypeMap[ aExportFormatName ] = aFilterMimeType;
+            if( aDefaultMimeType == aFilterMimeType )
+                aDefaultFormatName = aExportFormatName;
+        }
+
+        if( !aDefaultFormatName.isEmpty() )
+            xFilePicker->setCurrentFilter( aDefaultFormatName );
+
+        // execute dialog
+
+        if( aDialogHelper.Execute() == ERRCODE_NONE )
+        {
+            OUString sPath( xFilePicker->getFiles().getConstArray()[0] );
+            OUString aExportMimeType( aMimeTypeMap[xFilePicker->getCurrentFilter()] );
+
+            GraphicHelper::SaveShapeAsGraphicToPath(xComponent, xShape, aExportMimeType, sPath);
+        }
+    }
+    catch( Exception& )
+    {
+    }
+}
+
+short GraphicHelper::HasToSaveTransformedImage(weld::Widget* pWin)
+{
+    OUString aMsg(SvxResId(RID_SVXSTR_SAVE_MODIFIED_IMAGE));
+    std::unique_ptr<weld::MessageDialog> xBox(Application::CreateMessageDialog(pWin,
+                                              VclMessageType::Question, VclButtonsType::YesNo, aMsg));
+    return xBox->run();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */