xref: /aoo41x/main/canvas/source/vcl/textlayout.hxx (revision 91c99ff4)
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21 
22 
23 
24 #ifndef _VCLCANVAS_TEXTLAYOUT_HXX
25 #define _VCLCANVAS_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/StringContext.hpp>
32 #include <com/sun/star/rendering/XTextLayout.hpp>
33 
34 #include <canvas/vclwrapper.hxx>
35 
36 #include "canvasfont.hxx"
37 #include "impltools.hxx"
38 
39 #include <boost/utility.hpp>
40 
41 
42 /* Definition of TextLayout class */
43 
44 namespace vclcanvas
45 {
46     typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XTextLayout,
47                          					  ::com::sun::star::lang::XServiceInfo > TextLayout_Base;
48 
49     class TextLayout : public ::comphelper::OBaseMutex,
50                        public TextLayout_Base,
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::Reference&                        rFont,
58                     const ::com::sun::star::uno::Reference<
59                           ::com::sun::star::rendering::XGraphicDevice>& xDevice,
60                     const OutDevProviderSharedPtr&                      rOutDev );
61 
62         /// Dispose all internal references
63         virtual void SAL_CALL disposing();
64 
65         // XTextLayout
66         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);
67         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryInkMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
68         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
69         virtual ::com::sun::star::uno::Sequence< double > SAL_CALL queryLogicalAdvancements(  ) throw (::com::sun::star::uno::RuntimeException);
70         virtual void SAL_CALL applyLogicalAdvancements( const ::com::sun::star::uno::Sequence< double >& aAdvancements ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
71         virtual ::com::sun::star::geometry::RealRectangle2D SAL_CALL queryTextBounds(  ) throw (::com::sun::star::uno::RuntimeException);
72         virtual double SAL_CALL justify( double nSize ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
73         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);
74         virtual ::com::sun::star::rendering::TextHit SAL_CALL getTextHit( const ::com::sun::star::geometry::RealPoint2D& aHitPoint ) throw (::com::sun::star::uno::RuntimeException);
75         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);
76         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);
77         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);
78         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);
79         virtual double SAL_CALL getBaselineOffset(  ) throw (::com::sun::star::uno::RuntimeException);
80         virtual sal_Int8 SAL_CALL getMainTextDirection(  ) throw (::com::sun::star::uno::RuntimeException);
81         virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL getFont(  ) throw (::com::sun::star::uno::RuntimeException);
82         virtual ::com::sun::star::rendering::StringContext SAL_CALL getText(  ) throw (::com::sun::star::uno::RuntimeException);
83 
84         // XServiceInfo
85         virtual ::rtl::OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException );
86         virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw( ::com::sun::star::uno::RuntimeException );
87         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames()  throw( ::com::sun::star::uno::RuntimeException );
88 
89         bool draw( OutputDevice&                                   rOutDev,
90                    const Point&                                    rOutpos,
91                    const ::com::sun::star::rendering::ViewState&   viewState,
92                    const ::com::sun::star::rendering::RenderState& renderState ) const;
93 
94     private:
95         void setupTextOffsets( sal_Int32*										outputOffsets,
96                                const ::com::sun::star::uno::Sequence< double >& inputOffsets,
97                                const ::com::sun::star::rendering::ViewState& 	viewState,
98                                const ::com::sun::star::rendering::RenderState& 	renderState		) const;
99 
100         ::com::sun::star::rendering::StringContext 	     maText;
101         ::com::sun::star::uno::Sequence< double >        maLogicalAdvancements;
102         CanvasFont::Reference                            mpFont;
103         ::com::sun::star::uno::Reference<
104             ::com::sun::star::rendering::XGraphicDevice> mxDevice;
105         OutDevProviderSharedPtr                          mpOutDevProvider;
106         sal_Int8                                         mnTextDirection;
107     };
108 
109 }
110 
111 #endif /* _VCLCANVAS_TEXTLAYOUT_HXX */
112