oox/source/helper/graphichelper.cxx

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  30
  31 #include "oox/helper/graphichelper.hxx"
  32 #include <com/sun/star/graphic/GraphicObject.hpp>
  33 #include <com/sun/star/graphic/XGraphicProvider.hpp>
  34 #include <comphelper/componentcontext.hxx>
  35 #include <comphelper/seqstream.hxx>
  36
  37 using ::rtl::OUString;
  38 using ::com::sun::star::uno::Exception;
  39 using ::com::sun::star::uno::Reference;
  40 using ::com::sun::star::uno::Sequence;
  41 using ::com::sun::star::uno::UNO_QUERY;
  42 using ::com::sun::star::uno::UNO_SET_THROW;
  43 using ::com::sun::star::beans::PropertyValue;
  44 using ::com::sun::star::io::XInputStream;
  45 using ::com::sun::star::lang::XMultiServiceFactory;
  46 using ::com::sun::star::graphic::GraphicObject;
  47 using ::com::sun::star::graphic::XGraphic;
  48 using ::com::sun::star::graphic::XGraphicObject;
  49 using ::com::sun::star::graphic::XGraphicProvider;
  50
  51 namespace oox {
  52
  53 // ============================================================================
  54
  55 GraphicHelper::GraphicHelper( const Reference< XMultiServiceFactory >& rxFactory ) :
  56     mxGraphicProvider( rxFactory->createInstance( CREATE_OUSTRING( "com.sun.star.graphic.GraphicProvider" ) ), UNO_QUERY ),
  57     maGraphicObjScheme( CREATE_OUSTRING( "vnd.sun.star.GraphicObject:" ) )
  58 {
  59     ::comphelper::ComponentContext aContext( rxFactory );
  60     mxCompContext = aContext.getUNOContext();
  61 }
  62
  63 GraphicHelper::~GraphicHelper()
  64 {
  65 }
  66
  67 Reference< XGraphic > GraphicHelper::importGraphic( const Reference< XInputStream >& rxInStrm )
  68 {
  69     Reference< XGraphic > xGraphic;
  70     if( rxInStrm.is() && mxGraphicProvider.is() ) try
  71     {
  72         Sequence< PropertyValue > aArgs( 1 );
  73         aArgs[ 0 ].Name = CREATE_OUSTRING( "InputStream" );
  74         aArgs[ 0 ].Value <<= rxInStrm;
  75         xGraphic = mxGraphicProvider->queryGraphic( aArgs );
  76     }
  77     catch( Exception& )
  78     {
  79     }
  80     return xGraphic;
  81 }
  82
  83 Reference< XGraphic > GraphicHelper::importGraphic( const StreamDataSequence& rGraphicData )
  84 {
  85     Reference< XGraphic > xGraphic;
  86     if( rGraphicData.hasElements() )
  87     {
  88         Reference< XInputStream > xInStrm( new ::comphelper::SequenceInputStream( rGraphicData ) );
  89         xGraphic = importGraphic( xInStrm );
  90     }
  91     return xGraphic;
  92 }
  93
  94 OUString GraphicHelper::createGraphicObject( const Reference< XGraphic >& rxGraphic )
  95 {
  96     OUString aGraphicObjUrl;
  97     if( mxCompContext.is() && rxGraphic.is() ) try
  98     {
  99         Reference< XGraphicObject > xGraphicObj( GraphicObject::create( mxCompContext ), UNO_SET_THROW );
 100         xGraphicObj->setGraphic( rxGraphic );
 101         maGraphicObjects.push_back( xGraphicObj );
 102         aGraphicObjUrl = maGraphicObjScheme + xGraphicObj->getUniqueID();
 103     }
 104     catch( Exception& )
 105     {
 106     }
 107     return aGraphicObjUrl;
 108 }
 109
 110 OUString GraphicHelper::importGraphicObject( const Reference< XInputStream >& rxInStrm )
 111 {
 112     return createGraphicObject( importGraphic( rxInStrm ) );
 113 }
 114
 115 OUString GraphicHelper::importGraphicObject( const StreamDataSequence& rGraphicData )
 116 {
 117     return createGraphicObject( importGraphic( rGraphicData ) );
 118 }
 119
 120 // ============================================================================
 121
 122 } // namespace oox
 123