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21 
22 
23 
24 #ifndef _NULLCANVAS_TEXTLAYOUT_HXX
25 #define _NULLCANVAS_TEXTLAYOUT_HXX
26 
27 #include <cppuhelper/compbase2.hxx>
28 #include <comphelper/broadcasthelper.hxx>
29 
30 #include <com/sun/star/lang/XServiceInfo.hpp>
31 #include <com/sun/star/rendering/XTextLayout.hpp>
32 
33 #include <basegfx/vector/b2isize.hxx>
34 
35 #include <boost/utility.hpp>
36 
37 #include "null_canvasfont.hxx"
38 #include "null_usagecounter.hxx"
39 
40 
41 /* Definition of TextLayout class */
42 
43 namespace nullcanvas
44 {
45     typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XTextLayout,
46                          					  ::com::sun::star::lang::XServiceInfo > TextLayout_Base;
47 
48     class TextLayout : public ::comphelper::OBaseMutex,
49                        public TextLayout_Base,
50                        private UsageCounter< TextLayout >,
51                        private ::boost::noncopyable
52     {
53     public:
54         TextLayout( const ::com::sun::star::rendering::StringContext& aText,
55                     sal_Int8                                                  nDirection,
56                     sal_Int64                                                 nRandomSeed,
57                     const CanvasFont::ImplRef&                                rFont );
58 
59         /// Dispose all internal references
60         virtual void SAL_CALL disposing();
61 
62         // XTextLayout
63         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);
64         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryInkMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
65         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
66         virtual ::com::sun::star::uno::Sequence< double > SAL_CALL queryLogicalAdvancements(  ) throw (::com::sun::star::uno::RuntimeException);
67         virtual void SAL_CALL applyLogicalAdvancements( const ::com::sun::star::uno::Sequence< double >& aAdvancements ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
68         virtual ::com::sun::star::geometry::RealRectangle2D SAL_CALL queryTextBounds(  ) throw (::com::sun::star::uno::RuntimeException);
69         virtual double SAL_CALL justify( double nSize ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
70         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);
71         virtual ::com::sun::star::rendering::TextHit SAL_CALL getTextHit( const ::com::sun::star::geometry::RealPoint2D& aHitPoint ) throw (::com::sun::star::uno::RuntimeException);
72         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);
73         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);
74         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);
75         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);
76         virtual double SAL_CALL getBaselineOffset(  ) throw (::com::sun::star::uno::RuntimeException);
77         virtual sal_Int8 SAL_CALL getMainTextDirection(  ) throw (::com::sun::star::uno::RuntimeException);
78         virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL getFont(  ) throw (::com::sun::star::uno::RuntimeException);
79         virtual ::com::sun::star::rendering::StringContext SAL_CALL getText(  ) throw (::com::sun::star::uno::RuntimeException);
80 
81         // XServiceInfo
82         virtual ::rtl::OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException );
83         virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw( ::com::sun::star::uno::RuntimeException );
84         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames()  throw( ::com::sun::star::uno::RuntimeException );
85 
86         bool draw( const ::com::sun::star::rendering::ViewState&         rViewState,
87 				   const ::com::sun::star::rendering::RenderState&       rRenderState,
88 				   const ::com::sun::star::uno::Reference<
89                          ::com::sun::star::rendering::XGraphicDevice >&  xGraphicDevice ) const;
90 
91     protected:
92         ~TextLayout(); // we're a ref-counted UNO class. _We_ destroy ourselves.
93 
94     private:
95         ::com::sun::star::rendering::StringContext maText;
96         ::com::sun::star::uno::Sequence< double >  maLogicalAdvancements;
97         CanvasFont::ImplRef                        mpFont;
98         sal_Int8                                   mnTextDirection;
99     };
100 
101 }
102 
103 #endif /* _NULLCANVAS_TEXTLAYOUT_HXX */
104