forms/source/component/imgprod.hxx

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  30
  31 #ifndef _PRODUCE_HXX
  32 #define _PRODUCE_HXX
  33
  34 #include <tools/link.hxx>
  35 #include <tools/string.hxx>
  36 #include <tools/list.hxx>
  37 #include <com/sun/star/awt/ImageStatus.hpp>
  38 #include <com/sun/star/awt/XImageConsumer.hpp>
  39 #include <com/sun/star/awt/XImageProducer.hpp>
  40 #include <com/sun/star/lang/XInitialization.hpp>
  41 #include <cppuhelper/weak.hxx>
  42
  43
  44 // -----------------
  45 // - ImageProducer -
  46 // -----------------
  47
  48
  49
  50 class SvStream;
  51 class ImageConsumer;
  52 class Graphic;
  53 class GraphicFilter;
  54
  55 namespace com { namespace sun { namespace star { namespace io {
  56     class XInputStream;
  57 }}}}
  58
  59
  60 class ImageProducer :   public ::com::sun::star::awt::XImageProducer,
  61                         public ::com::sun::star::lang::XInitialization,
  62                         public ::cppu::OWeakObject
  63 {
  64 private:
  65
  66     ::rtl::OUString     maURL;
  67     List                        maConsList;
  68     Graphic*            mpGraphic;
  69     SvStream*           mpStm;
  70     GraphicFilter*      mpFilter;
  71     sal_uInt32          mnTransIndex;
  72     sal_uInt32          mnStatus;
  73     sal_Bool            mbConsInit;
  74     sal_Bool            mbStmDel;
  75     Link                        maErrorHdl;
  76     sal_uInt32          mnLastError;
  77
  78     sal_uInt32          mnExtra2;
  79
  80     sal_Bool            mbAsync;
  81     sal_Bool            mbExtra1;
  82     sal_Bool            mbExtra2;
  83     sal_Bool            mbExtra3;
  84
  85     sal_Bool            ImplImportGraphic( Graphic& rGraphic );
  86     void                        ImplUpdateData( const Graphic& rGraphic );
  87     void                        ImplInitConsumer( const Graphic& rGraphic );
  88     void                        ImplUpdateConsumer( const Graphic& rGraphic );
  89
  90 public:
  91
  92                     ImageProducer();
  93                     ~ImageProducer();
  94
  95     void                        SetImage( const ::rtl::OUString& rPath );
  96     void                        SetImage( SvStream& rStm );
  97
  98     void                        SetErrorHandler( const Link& rErrorHdl ) { maErrorHdl = rErrorHdl; }
  99     const Link&         GetErrorHandler() const { return maErrorHdl; }
 100
 101     sal_uInt32          GetLastError() const { return mnLastError; }
 102     void                        ResetLastError() { mnLastError = 0; }
 103
 104     void                        NewDataAvailable();
 105
 106     // ::com::sun::star::uno::XInterface
 107     ::com::sun::star::uno::Any                                  SAL_CALL queryInterface( const ::com::sun::star::uno::Type & rType ) throw(::com::sun::star::uno::RuntimeException);
 108     void                                                                                SAL_CALL acquire() throw()      { OWeakObject::acquire(); }
 109     void                                                                                SAL_CALL release() throw()      { OWeakObject::release(); }
 110
 111     // MT: ???
 112     void                        setImage( ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > & rStmRef );
 113
 114     // ::com::sun::star::awt::XImageProducer
 115     void SAL_CALL addConsumer( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XImageConsumer >& rxConsumer ) throw(::com::sun::star::uno::RuntimeException);
 116     void SAL_CALL removeConsumer( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XImageConsumer >& rxConsumer ) throw(::com::sun::star::uno::RuntimeException);
 117     void SAL_CALL startProduction(  ) throw(::com::sun::star::uno::RuntimeException);
 118
 119     // ::com::sun::star::lang::XInitialization
 120     void SAL_CALL initialize( const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& aArguments ) throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException);
 121
 122 };
 123
 124 #endif // _PRODUCE_HXX