447 lines
18 KiB
C++
447 lines
18 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <vcl/graphicfilter.hxx>
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#include <sfx2/docfile.hxx>
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#include <sfx2/filedlghelper.hxx>
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#include <svx/xoutbmp.hxx>
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#include <svx/dialmgr.hxx>
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#include <svx/graphichelper.hxx>
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#include <svx/strings.hrc>
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#include <comphelper/diagnose_ex.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/weld.hxx>
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#include <comphelper/processfactory.hxx>
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#include <comphelper/propertyvalue.hxx>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/beans/PropertyValue.hpp>
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#include <com/sun/star/container/NoSuchElementException.hpp>
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#include <com/sun/star/document/XExporter.hpp>
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#include <com/sun/star/drawing/GraphicExportFilter.hpp>
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#include <com/sun/star/drawing/XShape.hpp>
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#include <com/sun/star/lang/XMultiServiceFactory.hpp>
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#include <com/sun/star/lang/XComponent.hpp>
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#include <com/sun/star/io/XInputStream.hpp>
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#include <com/sun/star/ucb/SimpleFileAccess.hpp>
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#include <com/sun/star/ui/dialogs/XFilePicker3.hpp>
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#include <com/sun/star/ui/dialogs/TemplateDescription.hpp>
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#include <com/sun/star/beans/XPropertyAccess.hpp>
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#include <com/sun/star/task/ErrorCodeIOException.hpp>
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#include <com/sun/star/graphic/XGraphic.hpp>
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#include <com/sun/star/drawing/ShapeCollection.hpp>
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#include <map>
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#include <frozen/bits/defines.h>
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#include <frozen/bits/elsa_std.h>
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#include <frozen/unordered_map.h>
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#include <unotools/streamwrap.hxx>
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using namespace css;
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namespace
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{
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const auto constGfxTypeToExtension = frozen::make_unordered_map<GfxLinkType, OUString>(
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{
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{ GfxLinkType::NativePng, u"png"_ustr },
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{ GfxLinkType::NativeGif, u"gif"_ustr },
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{ GfxLinkType::NativeTif, u"tif"_ustr },
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{ GfxLinkType::NativeWmf, u"wmf"_ustr },
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{ GfxLinkType::NativeMet, u"met"_ustr },
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{ GfxLinkType::NativePct, u"pct"_ustr },
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{ GfxLinkType::NativeJpg, u"jpg"_ustr },
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{ GfxLinkType::NativeBmp, u"bmp"_ustr },
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{ GfxLinkType::NativeSvg, u"svg"_ustr },
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{ GfxLinkType::NativePdf, u"pdf"_ustr },
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{ GfxLinkType::NativeWebp, u"webp"_ustr },
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});
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const auto constVectorGraphicTypeToExtension = frozen::make_unordered_map<VectorGraphicDataType, OUString>(
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{
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{ VectorGraphicDataType::Wmf, u"wmf"_ustr },
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{ VectorGraphicDataType::Emf, u"emf"_ustr },
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{ VectorGraphicDataType::Svg, u"svg"_ustr },
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});
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const auto constGfxTypeToString = frozen::make_unordered_map<GfxLinkType, TranslateId>(
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{
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{ GfxLinkType::NativePng, STR_IMAGE_PNG },
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{ GfxLinkType::NativeGif, STR_IMAGE_GIF },
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{ GfxLinkType::NativeTif, STR_IMAGE_TIFF },
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{ GfxLinkType::NativeWmf, STR_IMAGE_WMF },
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{ GfxLinkType::NativeMet, STR_IMAGE_MET },
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{ GfxLinkType::NativePct, STR_IMAGE_PCT },
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{ GfxLinkType::NativeJpg, STR_IMAGE_JPEG },
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{ GfxLinkType::NativeBmp, STR_IMAGE_BMP },
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{ GfxLinkType::NativeSvg, STR_IMAGE_SVG },
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{ GfxLinkType::NativePdf, STR_IMAGE_PNG },
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{ GfxLinkType::NativeWebp, STR_IMAGE_WEBP },
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});
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} // end anonymous ns
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void GraphicHelper::GetPreferredExtension( OUString& rExtension, const Graphic& rGraphic )
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{
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auto const & rVectorGraphicDataPtr(rGraphic.getVectorGraphicData());
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if (rVectorGraphicDataPtr && !rVectorGraphicDataPtr->getBinaryDataContainer().isEmpty())
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{
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auto eType = rVectorGraphicDataPtr->getType();
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const auto iter = constVectorGraphicTypeToExtension.find(eType);
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if (iter != constVectorGraphicTypeToExtension.end())
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rExtension = iter->second;
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else
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rExtension = u"svg"_ustr; // not sure this makes sense but it is like this for a long time
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}
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else
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{
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auto eType = rGraphic.GetGfxLink().GetType();
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const auto iter = constGfxTypeToExtension.find(eType);
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if (iter != constGfxTypeToExtension.end())
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rExtension = iter->second;
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else
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rExtension = u"png"_ustr; // not sure this makes sense but it is like this for a long time
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}
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}
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OUString GraphicHelper::GetImageType(const Graphic& rGraphic)
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{
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const auto& pGfxLink = rGraphic.GetSharedGfxLink();
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if (pGfxLink)
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{
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auto iter = constGfxTypeToString.find(pGfxLink->GetType());
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if (iter != constGfxTypeToString.end())
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return SvxResId(iter->second);
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}
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return SvxResId(STR_IMAGE_UNKNOWN);
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}
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namespace {
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bool lcl_ExecuteFilterDialog(const uno::Sequence<beans::PropertyValue>& rPropsForDialog,
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uno::Sequence<beans::PropertyValue>& rFilterData)
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{
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bool bStatus = false;
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try
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{
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uno::Reference<ui::dialogs::XExecutableDialog> xFilterDialog(
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comphelper::getProcessServiceFactory()->createInstance( u"com.sun.star.svtools.SvFilterOptionsDialog"_ustr ), uno::UNO_QUERY);
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uno::Reference<beans::XPropertyAccess> xFilterProperties( xFilterDialog, uno::UNO_QUERY);
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if( xFilterDialog.is() && xFilterProperties.is() )
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{
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xFilterProperties->setPropertyValues( rPropsForDialog );
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if( xFilterDialog->execute() )
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{
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bStatus = true;
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const uno::Sequence<beans::PropertyValue> aPropsFromDialog = xFilterProperties->getPropertyValues();
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for ( const auto& rProp : aPropsFromDialog )
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{
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if (rProp.Name == "FilterData")
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{
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rProp.Value >>= rFilterData;
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}
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}
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}
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}
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}
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catch (container::NoSuchElementException const& exception)
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{
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// the filter name is unknown
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throw task::ErrorCodeIOException(
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("lcl_ExecuteFilterDialog: NoSuchElementException"
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" \"" + exception.Message + "\": ERRCODE_IO_ABORT"),
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uno::Reference<uno::XInterface>(), sal_uInt32(ERRCODE_IO_INVALIDPARAMETER));
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}
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catch (const task::ErrorCodeIOException&)
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{
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throw;
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}
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catch (const uno::Exception&)
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{
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TOOLS_WARN_EXCEPTION("sfx.doc", "ignoring");
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}
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return bStatus;
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}
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} // anonymous ns
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OUString GraphicHelper::ExportGraphic(weld::Window* pParent, const Graphic& rGraphic, const OUString& rGraphicName)
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{
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sfx2::FileDialogHelper aDialogHelper(ui::dialogs::TemplateDescription::FILESAVE_AUTOEXTENSION, FileDialogFlags::NONE, pParent);
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uno::Reference<ui::dialogs::XFilePicker3> xFilePicker = aDialogHelper.GetFilePicker();
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// fish out the graphic's name
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aDialogHelper.SetContext(sfx2::FileDialogHelper::ExportImage);
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aDialogHelper.SetTitle( SvxResId(RID_SVXSTR_EXPORT_GRAPHIC_TITLE));
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INetURLObject aURL;
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aURL.SetSmartURL( rGraphicName );
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aDialogHelper.SetFileName(aURL.GetLastName());
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GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
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const sal_uInt16 nCount = rGraphicFilter.GetExportFormatCount();
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OUString aExtension(aURL.GetFileExtension());
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if( aExtension.isEmpty() )
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{
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GetPreferredExtension( aExtension, rGraphic );
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}
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aExtension = aExtension.toAsciiLowerCase();
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sal_uInt16 nDefaultFilter = USHRT_MAX;
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for ( sal_uInt16 i = 0; i < nCount; i++ )
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{
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xFilePicker->appendFilter( rGraphicFilter.GetExportFormatName( i ), rGraphicFilter.GetExportWildcard( i ) );
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OUString aFormatShortName = rGraphicFilter.GetExportFormatShortName( i );
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if ( aFormatShortName.equalsIgnoreAsciiCase( aExtension ) )
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{
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nDefaultFilter = i;
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}
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}
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if ( USHRT_MAX == nDefaultFilter )
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{
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// "wrong" extension?
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GetPreferredExtension( aExtension, rGraphic );
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for ( sal_uInt16 i = 0; i < nCount; ++i )
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if ( aExtension == rGraphicFilter.GetExportFormatShortName( i ).toAsciiLowerCase() )
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{
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nDefaultFilter = i;
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break;
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}
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}
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if( USHRT_MAX != nDefaultFilter )
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{
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xFilePicker->setCurrentFilter( rGraphicFilter.GetExportFormatName( nDefaultFilter ) ) ;
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if( aDialogHelper.Execute() == ERRCODE_NONE )
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{
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OUString sPath( xFilePicker->getFiles().getConstArray()[0] );
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if( !rGraphicName.isEmpty() &&
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nDefaultFilter == rGraphicFilter.GetExportFormatNumber( xFilePicker->getCurrentFilter()))
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{
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// try to save the original graphic
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SfxMedium aIn( rGraphicName, StreamMode::READ | StreamMode::NOCREATE );
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if( aIn.GetInStream() && !aIn.GetInStream()->GetError() )
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{
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SfxMedium aOut( sPath, StreamMode::WRITE | StreamMode::SHARE_DENYNONE);
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if( aOut.GetOutStream() && !aOut.GetOutStream()->GetError())
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{
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aOut.GetOutStream()->WriteStream( *aIn.GetInStream() );
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if ( ERRCODE_NONE == aIn.GetErrorIgnoreWarning() )
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{
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aOut.Close();
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aOut.Commit();
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if ( ERRCODE_NONE == aOut.GetErrorIgnoreWarning() )
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return sPath;
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}
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}
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}
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}
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sal_uInt16 nFilter;
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if ( !xFilePicker->getCurrentFilter().isEmpty() && rGraphicFilter.GetExportFormatCount() )
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{
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nFilter = rGraphicFilter.GetExportFormatNumber( xFilePicker->getCurrentFilter() );
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}
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else
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{
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nFilter = GRFILTER_FORMAT_DONTKNOW;
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}
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OUString aFilter( rGraphicFilter.GetExportFormatShortName( nFilter ) );
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if ( rGraphic.GetType() == GraphicType::Bitmap )
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{
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Graphic aGraphic = rGraphic;
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uno::Reference<graphic::XGraphic> xGraphic = aGraphic.GetXGraphic();
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OUString aExportFilter = rGraphicFilter.GetExportInternalFilterName(nFilter);
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uno::Sequence<beans::PropertyValue> aPropsForDialog
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{
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comphelper::makePropertyValue(u"Graphic"_ustr, xGraphic),
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comphelper::makePropertyValue(u"FilterName"_ustr, aExportFilter)
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};
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uno::Sequence<beans::PropertyValue> aFilterData;
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bool bStatus = lcl_ExecuteFilterDialog(aPropsForDialog, aFilterData);
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if (bStatus)
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{
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sal_Int32 nWidth = 0;
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sal_Int32 nHeight = 0;
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for (const auto& rProp : aFilterData)
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{
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if (rProp.Name == "PixelWidth")
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{
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rProp.Value >>= nWidth;
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}
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else if (rProp.Name == "PixelHeight")
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{
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rProp.Value >>= nHeight;
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}
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}
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// scaling must performed here because png/jpg writer s
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// do not take care of that.
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Size aSizePixel( aGraphic.GetSizePixel() );
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if( nWidth && nHeight &&
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( ( nWidth != aSizePixel.Width() ) ||
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( nHeight != aSizePixel.Height() ) ) )
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{
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BitmapEx aBmpEx( aGraphic.GetBitmapEx() );
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// export: use highest quality
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aBmpEx.Scale( Size( nWidth, nHeight ), BmpScaleFlag::Lanczos );
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aGraphic = aBmpEx;
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}
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XOutBitmap::WriteGraphic( aGraphic, sPath, aFilter,
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XOutFlags::DontExpandFilename |
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XOutFlags::DontAddExtension |
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XOutFlags::UseNativeIfPossible,
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nullptr, &aFilterData );
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return sPath;
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}
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}
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else
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{
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XOutBitmap::WriteGraphic( rGraphic, sPath, aFilter,
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XOutFlags::DontExpandFilename |
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XOutFlags::DontAddExtension |
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XOutFlags::UseNativeIfPossible );
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}
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}
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}
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return OUString();
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}
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void GraphicHelper::SaveShapeAsGraphicToPath(
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const uno::Reference<lang::XComponent>& xComponent,
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const uno::Reference<drawing::XShape>& xShape, const OUString& aExportMimeType,
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const OUString& sPath)
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{
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const uno::Reference<uno::XComponentContext>& xContext(::comphelper::getProcessComponentContext());
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uno::Reference<io::XInputStream> xGraphStream;
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if (xGraphStream.is())
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{
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uno::Reference<ucb::XSimpleFileAccess3> xFileAccess = ucb::SimpleFileAccess::create(xContext);
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xFileAccess->writeFile(sPath, xGraphStream);
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}
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else if (xComponent.is() && aExportMimeType == "application/pdf")
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{
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uno::Reference<lang::XMultiServiceFactory> xMSF(xContext->getServiceManager(), uno::UNO_QUERY);
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uno::Reference<document::XExporter> xExporter(
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xMSF->createInstance(u"com.sun.star.comp.PDF.PDFFilter"_ustr), uno::UNO_QUERY);
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xExporter->setSourceDocument(xComponent);
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uno::Reference<drawing::XShapes> xShapes
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= drawing::ShapeCollection::create(comphelper::getProcessComponentContext());
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xShapes->add(xShape);
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uno::Sequence<beans::PropertyValue> aFilterData{
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comphelper::makePropertyValue(u"Selection"_ustr, xShapes),
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};
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SvFileStream aStream(sPath, StreamMode::READWRITE | StreamMode::TRUNC);
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uno::Reference<io::XOutputStream> xStream(new utl::OStreamWrapper(aStream));
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uno::Sequence<beans::PropertyValue> aDescriptor
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{
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comphelper::makePropertyValue(u"FilterData"_ustr, aFilterData),
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comphelper::makePropertyValue(u"OutputStream"_ustr, xStream)
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};
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uno::Reference<document::XFilter> xFilter(xExporter, uno::UNO_QUERY);
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xFilter->filter(aDescriptor);
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}
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else
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{
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uno::Reference<drawing::XGraphicExportFilter> xGraphicExporter = drawing::GraphicExportFilter::create(xContext);
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uno::Sequence<beans::PropertyValue> aDescriptor{ comphelper::makePropertyValue(u"MediaType"_ustr,
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aExportMimeType),
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comphelper::makePropertyValue(u"URL"_ustr, sPath) };
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uno::Reference<lang::XComponent> xSourceDocument(xShape, uno::UNO_QUERY_THROW);
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xGraphicExporter->setSourceDocument(xSourceDocument);
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xGraphicExporter->filter(aDescriptor);
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}
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}
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void GraphicHelper::SaveShapeAsGraphic(weld::Window* pParent,
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const uno::Reference<lang::XComponent>& xComponent,
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const uno::Reference<drawing::XShape>& xShape)
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{
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try
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{
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uno::Reference<beans::XPropertySet> xShapeSet(xShape, uno::UNO_QUERY_THROW);
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sfx2::FileDialogHelper aDialogHelper(ui::dialogs::TemplateDescription::FILESAVE_AUTOEXTENSION, FileDialogFlags::NONE, pParent);
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uno::Reference<ui::dialogs::XFilePicker3> xFilePicker = aDialogHelper.GetFilePicker();
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aDialogHelper.SetContext(sfx2::FileDialogHelper::ExportImage);
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aDialogHelper.SetTitle( SvxResId(RID_SVXSTR_SAVEAS_IMAGE) );
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// populate filter dialog filter list and select default filter to match graphic mime type
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GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
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static constexpr OUStringLiteral aDefaultMimeType(u"image/png");
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OUString aDefaultFormatName;
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sal_uInt16 nCount = rGraphicFilter.GetExportFormatCount();
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std::map< OUString, OUString > aMimeTypeMap;
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for ( sal_uInt16 i = 0; i < nCount; i++ )
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{
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const OUString aExportFormatName( rGraphicFilter.GetExportFormatName( i ) );
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const OUString aFilterMimeType( rGraphicFilter.GetExportFormatMediaType( i ) );
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xFilePicker->appendFilter( aExportFormatName, rGraphicFilter.GetExportWildcard( i ) );
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aMimeTypeMap[ aExportFormatName ] = aFilterMimeType;
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if( aDefaultMimeType == aFilterMimeType )
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aDefaultFormatName = aExportFormatName;
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}
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if( !aDefaultFormatName.isEmpty() )
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xFilePicker->setCurrentFilter( aDefaultFormatName );
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// execute dialog
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if( aDialogHelper.Execute() == ERRCODE_NONE )
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{
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OUString sPath( xFilePicker->getFiles().getConstArray()[0] );
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OUString aExportMimeType( aMimeTypeMap[xFilePicker->getCurrentFilter()] );
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GraphicHelper::SaveShapeAsGraphicToPath(xComponent, xShape, aExportMimeType, sPath);
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}
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}
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catch (uno::Exception&)
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{
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}
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}
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short GraphicHelper::HasToSaveTransformedImage(weld::Widget* pWin)
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{
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OUString aMsg(SvxResId(RID_SVXSTR_SAVE_MODIFIED_IMAGE));
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std::unique_ptr<weld::MessageDialog> xBox(Application::CreateMessageDialog(pWin,
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VclMessageType::Question, VclButtonsType::YesNo, aMsg));
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return xBox->run();
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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