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libreoffice/svx/source/core/graphichelper.cxx
Noel Grandin 2c05d758b2 add << operator for css::uno::Exception 
Change-Id: Ia23dafd07133779144965682df3b7125a3214235
Reviewed-on: https://gerrit.libreoffice.org/43046
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Tested-by: Jenkins <ci@libreoffice.org>
2017-10-04 15:18:00 +02:00

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/* -*- 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 <unotools/pathoptions.hxx>
#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 <vcl/layout.hxx>
#include <cppuhelper/exc_hlp.hxx>
#include <comphelper/anytostring.hxx>
#include <comphelper/processfactory.hxx>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/beans/PropertyValues.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/document/XExporter.hpp>
#include <com/sun/star/document/XFilter.hpp>
#include <com/sun/star/drawing/GraphicExportFilter.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/XFilterManager.hpp>
#include <com/sun/star/ui/dialogs/TemplateDescription.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/beans/XPropertyAccess.hpp>
#include <com/sun/star/task/ErrorCodeIOException.hpp>
#include <com/sun/star/task/InteractionHandler.hpp>
#include <com/sun/star/graphic/XGraphic.hpp>
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 css::frame;
using namespace sfx2;
namespace drawing = com::sun::star::drawing;
void GraphicHelper::GetPreferredExtension( OUString& rExtension, const Graphic& rGraphic )
{
OUString aExtension = "png";
const VectorGraphicDataPtr& aVectorGraphicDataPtr(rGraphic.getVectorGraphicData());
if (aVectorGraphicDataPtr.get() && aVectorGraphicDataPtr->getVectorGraphicDataArrayLength())
{
switch (aVectorGraphicDataPtr->getVectorGraphicDataType())
{
case VectorGraphicDataType::Wmf:
aExtension = "wmf";
break;
case VectorGraphicDataType::Emf:
aExtension = "emf";
break;
default: // case VectorGraphicDataType::Svg:
aExtension = "svg";
break;
}
rExtension = aExtension;
return;
}
switch( rGraphic.GetLink().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;
default:
break;
}
rExtension = aExtension;
}
namespace {
bool lcl_ExecuteFilterDialog( const Sequence< PropertyValue >& rPropsForDialog,
Sequence< PropertyValue >& rFilterData )
{
bool bStatus = false;
try
{
const OUString aServiceName("com.sun.star.svtools.SvFilterOptionsDialog");
Reference< XExecutableDialog > xFilterDialog(
comphelper::getProcessServiceFactory()->createInstance( aServiceName ), UNO_QUERY );
Reference< XPropertyAccess > xFilterProperties( xFilterDialog, UNO_QUERY );
if( xFilterDialog.is() && xFilterProperties.is() )
{
xFilterProperties->setPropertyValues( rPropsForDialog );
if( xFilterDialog->execute() )
{
bStatus = true;
Sequence< PropertyValue > aPropsFromDialog = xFilterProperties->getPropertyValues();
const sal_Int32 nPropsLen = aPropsFromDialog.getLength();
for ( sal_Int32 nInd = 0; nInd < nPropsLen; ++nInd )
{
if (aPropsFromDialog[nInd].Name == "FilterData")
{
aPropsFromDialog[nInd].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& e )
{
SAL_WARN("sfx.doc", "ignoring " << e);
}
return bStatus;
}
} // anonymous ns
OUString GraphicHelper::ExportGraphic(const vcl::Window* pParent, const Graphic& rGraphic, const OUString& rGraphicName)
{
SvtPathOptions aPathOpt;
OUString sGraphicsPath( aPathOpt.GetGraphicPath() );
FileDialogHelper aDialogHelper(TemplateDescription::FILESAVE_AUTOEXTENSION, FileDialogFlags::NONE, pParent);
Reference < XFilePicker3 > xFilePicker = aDialogHelper.GetFilePicker();
INetURLObject aPath;
aPath.SetSmartURL( sGraphicsPath );
// fish out the graphic's name
aDialogHelper.SetTitle( SvxResId(RID_SVXSTR_EXPORT_GRAPHIC_TITLE));
aDialogHelper.SetDisplayDirectory( aPath.GetMainURL(INetURLObject::DecodeMechanism::ToIUri) );
INetURLObject aURL;
aURL.SetSmartURL( rGraphicName );
aDialogHelper.SetFileName( aURL.GetName() );
GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
const sal_uInt16 nCount = rGraphicFilter.GetExportFormatCount();
OUString aExtension( aURL.GetExtension() );
if( aExtension.isEmpty() )
{
GetPreferredExtension( aExtension, rGraphic );
}
aExtension = aExtension.toAsciiLowerCase();
sal_uInt16 nDefaultFilter = USHRT_MAX;
Reference<XFilterManager> xFilterManager(xFilePicker, UNO_QUERY);
for ( sal_uInt16 i = 0; i < nCount; i++ )
{
xFilterManager->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 )
{
xFilterManager->setCurrentFilter( rGraphicFilter.GetExportFormatName( nDefaultFilter ) ) ;
if( aDialogHelper.Execute() == ERRCODE_NONE )
{
OUString sPath( xFilePicker->getFiles().getConstArray()[0] );
// remember used path - please don't optimize away!
aPath.SetSmartURL( sPath);
sGraphicsPath = aPath.GetPath();
if( !rGraphicName.isEmpty() &&
nDefaultFilter == rGraphicFilter.GetExportFormatNumber( xFilterManager->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 ( !xFilterManager->getCurrentFilter().isEmpty() && rGraphicFilter.GetExportFormatCount() )
{
nFilter = rGraphicFilter.GetExportFormatNumber( xFilterManager->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(2);
aPropsForDialog[0].Name = "Graphic";
aPropsForDialog[0].Value <<= xGraphic;
aPropsForDialog[1].Name = "FilterName";
aPropsForDialog[1].Value <<= aExportFilter;
Sequence< PropertyValue > aFilterData;
bool bStatus = lcl_ExecuteFilterDialog(aPropsForDialog, aFilterData);
if (bStatus)
{
sal_Int32 nWidth = 0;
sal_Int32 nHeight = 0;
sal_Int32 nLen = aFilterData.getLength();
for (sal_Int32 i = 0; i < nLen; ++i)
{
if (aFilterData[i].Name == "PixelWidth")
{
aFilterData[i].Value >>= nWidth;
}
else if (aFilterData[i].Name == "PixelHeight")
{
aFilterData[i].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;
}
}
}
}
return OUString();
}
void GraphicHelper::SaveShapeAsGraphic(const vcl::Window* pParent, const Reference< drawing::XShape >& xShape)
{
try
{
Reference< XComponentContext > xContext( ::comphelper::getProcessComponentContext() );
Reference< XPropertySet > xShapeSet( xShape, UNO_QUERY_THROW );
SvtPathOptions aPathOpt;
OUString sGraphicPath( aPathOpt.GetGraphicPath() );
FileDialogHelper aDialogHelper(TemplateDescription::FILESAVE_AUTOEXTENSION, FileDialogFlags::NONE, pParent);
Reference < XFilePicker3 > xFilePicker = aDialogHelper.GetFilePicker();
aDialogHelper.SetTitle( SvxResId(RID_SVXSTR_SAVEAS_IMAGE) );
INetURLObject aPath;
aPath.SetSmartURL( sGraphicPath );
xFilePicker->setDisplayDirectory( aPath.GetMainURL(INetURLObject::DecodeMechanism::ToIUri) );
// populate filter dialog filter list and select default filter to match graphic mime type
GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
Reference<XFilterManager> xFilterManager( xFilePicker, UNO_QUERY );
const OUString aDefaultMimeType("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 ) );
xFilterManager->appendFilter( aExportFormatName, rGraphicFilter.GetExportWildcard( i ) );
aMimeTypeMap[ aExportFormatName ] = aFilterMimeType;
if( aDefaultMimeType == aFilterMimeType )
aDefaultFormatName = aExportFormatName;
}
if( !aDefaultFormatName.isEmpty() )
xFilterManager->setCurrentFilter( aDefaultFormatName );
// execute dialog
if( aDialogHelper.Execute() == ERRCODE_NONE )
{
OUString sPath( xFilePicker->getFiles().getConstArray()[0] );
OUString aExportMimeType( aMimeTypeMap[xFilterManager->getCurrentFilter()] );
Reference< XInputStream > xGraphStream;
if( xGraphStream.is() )
{
Reference<XSimpleFileAccess3> xFileAccess = SimpleFileAccess::create( xContext );
xFileAccess->writeFile( sPath, xGraphStream );
}
else
{
Reference<css::drawing::XGraphicExportFilter> xGraphicExporter = css::drawing::GraphicExportFilter::create( xContext );
Sequence<PropertyValue> aDescriptor( 2 );
aDescriptor[0].Name = "MediaType";
aDescriptor[0].Value <<= aExportMimeType;
aDescriptor[1].Name = "URL";
aDescriptor[1].Value <<= sPath;
Reference< XComponent > xSourceDocument( xShape, UNO_QUERY_THROW );
if ( xSourceDocument.is() )
{
xGraphicExporter->setSourceDocument( xSourceDocument );
xGraphicExporter->filter( aDescriptor );
}
}
}
}
catch( Exception& )
{
}
}
short GraphicHelper::HasToSaveTransformedImage(vcl::Window* pWin)
{
OUString aMsg(SvxResId(RID_SVXSTR_SAVE_MODIFIED_IMAGE));
ScopedVclPtrInstance< MessageDialog > aBox(pWin, aMsg, VclMessageType::Question, VclButtonsType::YesNo);
return aBox->Execute();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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