canvas/source/directx/dx_textlayout.hxx

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  30
  31 #ifndef _DXCANVAS_TEXTLAYOUT_HXX
  32 #define _DXCANVAS_TEXTLAYOUT_HXX
  33
  34 #include <cppuhelper/compbase2.hxx>
  35 #include <comphelper/broadcasthelper.hxx>
  36
  37 #include <com/sun/star/lang/XServiceInfo.hpp>
  38
  39 #include <com/sun/star/rendering/XTextLayout.hpp>
  40
  41 #include <basegfx/vector/b2isize.hxx>
  42
  43 #include <boost/utility.hpp>
  44
  45 #include "dx_canvasfont.hxx"
  46 #include "dx_ibitmap.hxx"
  47 #include "dx_winstuff.hxx"
  48 #include "dx_gdiplususer.hxx"
  49
  50
  51 /* Definition of TextLayout class */
  52 class DXBitmapSharedPtr;
  53
  54 namespace dxcanvas
  55 {
  56     typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XTextLayout,
  57                                                ::com::sun::star::lang::XServiceInfo > TextLayout_Base;
  58
  59     class TextLayout : public ::comphelper::OBaseMutex,
  60                        public TextLayout_Base,
  61                        private ::boost::noncopyable
  62     {
  63     public:
  64         TextLayout( const ::com::sun::star::rendering::StringContext& aText,
  65                     sal_Int8                                                  nDirection,
  66                     sal_Int64                                                 nRandomSeed,
  67                     const CanvasFont::ImplRef&                                rFont );
  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( const GraphicsSharedPtr&                              rGraphics,
  97                    const ::com::sun::star::rendering::ViewState&         rViewState,
  98                    const ::com::sun::star::rendering::RenderState&       rRenderState,
  99                    const ::basegfx::B2ISize&                             rOutputOffset,
 100                    const ::com::sun::star::uno::Reference<
 101                    ::com::sun::star::rendering::XGraphicDevice >&        xGraphicDevice,
 102                    bool                                                  bAlphaSurface ) const;
 103
 104     protected:
 105         ~TextLayout(); // we're a ref-counted UNO class. _We_ destroy ourselves.
 106
 107     private:
 108         // NOTE: no need for GDIPlusUserSharedPtr, mpFont implicitely has one already
 109
 110         ::com::sun::star::rendering::StringContext maText;
 111         ::com::sun::star::uno::Sequence< double >  maLogicalAdvancements;
 112         CanvasFont::ImplRef                        mpFont;
 113         sal_Int8                                   mnTextDirection;
 114     };
 115
 116 }
 117
 118 #endif /* _DXCANVAS_TEXTLAYOUT_HXX */