canvas/source/vcl/textlayout.hxx

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  30
  31 #ifndef _VCLCANVAS_TEXTLAYOUT_HXX
  32 #define _VCLCANVAS_TEXTLAYOUT_HXX
  33
  34 #include <cppuhelper/compbase2.hxx>
  35 #include <comphelper/broadcasthelper.hxx>
  36
  37 #include <com/sun/star/lang/XServiceInfo.hpp>
  38 #include <com/sun/star/rendering/StringContext.hpp>
  39 #include <com/sun/star/rendering/XTextLayout.hpp>
  40
  41 #include <canvas/vclwrapper.hxx>
  42
  43 #include "canvasfont.hxx"
  44 #include "impltools.hxx"
  45
  46 #include <boost/utility.hpp>
  47
  48
  49 /* Definition of TextLayout class */
  50
  51 namespace vclcanvas
  52 {
  53     typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XTextLayout,
  54                                                ::com::sun::star::lang::XServiceInfo > TextLayout_Base;
  55
  56     class TextLayout : public ::comphelper::OBaseMutex,
  57                        public TextLayout_Base,
  58                        private ::boost::noncopyable
  59     {
  60     public:
  61         TextLayout( const ::com::sun::star::rendering::StringContext&   aText,
  62                     sal_Int8                                            nDirection,
  63                     sal_Int64                                           nRandomSeed,
  64                     const CanvasFont::Reference&                        rFont,
  65                     const ::com::sun::star::uno::Reference<
  66                           ::com::sun::star::rendering::XGraphicDevice>& xDevice,
  67                     const OutDevProviderSharedPtr&                      rOutDev );
  68
  69         /// Dispose all internal references
  70         virtual void SAL_CALL disposing();
  71
  72         // XTextLayout
  73         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D > > SAL_CALL queryTextShapes(  ) throw (::com::sun::star::uno::RuntimeException);
  74         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryInkMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
  75         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
  76         virtual ::com::sun::star::uno::Sequence< double > SAL_CALL queryLogicalAdvancements(  ) throw (::com::sun::star::uno::RuntimeException);
  77         virtual void SAL_CALL applyLogicalAdvancements( const ::com::sun::star::uno::Sequence< double >& aAdvancements ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
  78         virtual ::com::sun::star::geometry::RealRectangle2D SAL_CALL queryTextBounds(  ) throw (::com::sun::star::uno::RuntimeException);
  79         virtual double SAL_CALL justify( double nSize ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
  80         virtual double SAL_CALL combinedJustify( const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XTextLayout > >& aNextLayouts, double nSize ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
  81         virtual ::com::sun::star::rendering::TextHit SAL_CALL getTextHit( const ::com::sun::star::geometry::RealPoint2D& aHitPoint ) throw (::com::sun::star::uno::RuntimeException);
  82         virtual ::com::sun::star::rendering::Caret SAL_CALL getCaret( sal_Int32 nInsertionIndex, sal_Bool bExcludeLigatures ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
  83         virtual sal_Int32 SAL_CALL getNextInsertionIndex( sal_Int32 nStartIndex, sal_Int32 nCaretAdvancement, sal_Bool bExcludeLigatures ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
  84         virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D > SAL_CALL queryVisualHighlighting( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
  85         virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D > SAL_CALL queryLogicalHighlighting( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
  86         virtual double SAL_CALL getBaselineOffset(  ) throw (::com::sun::star::uno::RuntimeException);
  87         virtual sal_Int8 SAL_CALL getMainTextDirection(  ) throw (::com::sun::star::uno::RuntimeException);
  88         virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL getFont(  ) throw (::com::sun::star::uno::RuntimeException);
  89         virtual ::com::sun::star::rendering::StringContext SAL_CALL getText(  ) throw (::com::sun::star::uno::RuntimeException);
  90
  91         // XServiceInfo
  92         virtual ::rtl::OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException );
  93         virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw( ::com::sun::star::uno::RuntimeException );
  94         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames()  throw( ::com::sun::star::uno::RuntimeException );
  95
  96         bool draw( OutputDevice&                                   rOutDev,
  97                    const Point&                                    rOutpos,
  98                    const ::com::sun::star::rendering::ViewState&   viewState,
  99                    const ::com::sun::star::rendering::RenderState& renderState ) const;
 100
 101     private:
 102         void setupTextOffsets( sal_Int32*                                                                               outputOffsets,
 103                                const ::com::sun::star::uno::Sequence< double >& inputOffsets,
 104                                const ::com::sun::star::rendering::ViewState&    viewState,
 105                                const ::com::sun::star::rendering::RenderState&  renderState             ) const;
 106
 107         ::com::sun::star::rendering::StringContext           maText;
 108         ::com::sun::star::uno::Sequence< double >        maLogicalAdvancements;
 109         CanvasFont::Reference                            mpFont;
 110         ::com::sun::star::uno::Reference<
 111             ::com::sun::star::rendering::XGraphicDevice> mxDevice;
 112         OutDevProviderSharedPtr                          mpOutDevProvider;
 113         sal_Int8                                         mnTextDirection;
 114     };
 115
 116 }
 117
 118 #endif /* _VCLCANVAS_TEXTLAYOUT_HXX */