xref: /aoo42x/main/canvas/source/vcl/textlayout.hxx (revision cdf0e10c)
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27 
28 #ifndef _VCLCANVAS_TEXTLAYOUT_HXX
29 #define _VCLCANVAS_TEXTLAYOUT_HXX
30 
31 #include <cppuhelper/compbase2.hxx>
32 #include <comphelper/broadcasthelper.hxx>
33 
34 #include <com/sun/star/lang/XServiceInfo.hpp>
35 #include <com/sun/star/rendering/StringContext.hpp>
36 #include <com/sun/star/rendering/XTextLayout.hpp>
37 
38 #include <canvas/vclwrapper.hxx>
39 
40 #include "canvasfont.hxx"
41 #include "impltools.hxx"
42 
43 #include <boost/utility.hpp>
44 
45 
46 /* Definition of TextLayout class */
47 
48 namespace vclcanvas
49 {
50     typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XTextLayout,
51                          					  ::com::sun::star::lang::XServiceInfo > TextLayout_Base;
52 
53     class TextLayout : public ::comphelper::OBaseMutex,
54                        public TextLayout_Base,
55         			   private ::boost::noncopyable
56     {
57     public:
58         TextLayout( const ::com::sun::star::rendering::StringContext& 	aText,
59                     sal_Int8                                            nDirection,
60                     sal_Int64                                           nRandomSeed,
61                     const CanvasFont::Reference&                        rFont,
62                     const ::com::sun::star::uno::Reference<
63                           ::com::sun::star::rendering::XGraphicDevice>& xDevice,
64                     const OutDevProviderSharedPtr&                      rOutDev );
65 
66         /// Dispose all internal references
67         virtual void SAL_CALL disposing();
68 
69         // XTextLayout
70         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);
71         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryInkMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
72         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
73         virtual ::com::sun::star::uno::Sequence< double > SAL_CALL queryLogicalAdvancements(  ) throw (::com::sun::star::uno::RuntimeException);
74         virtual void SAL_CALL applyLogicalAdvancements( const ::com::sun::star::uno::Sequence< double >& aAdvancements ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
75         virtual ::com::sun::star::geometry::RealRectangle2D SAL_CALL queryTextBounds(  ) throw (::com::sun::star::uno::RuntimeException);
76         virtual double SAL_CALL justify( double nSize ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
77         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);
78         virtual ::com::sun::star::rendering::TextHit SAL_CALL getTextHit( const ::com::sun::star::geometry::RealPoint2D& aHitPoint ) throw (::com::sun::star::uno::RuntimeException);
79         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);
80         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);
81         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);
82         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);
83         virtual double SAL_CALL getBaselineOffset(  ) throw (::com::sun::star::uno::RuntimeException);
84         virtual sal_Int8 SAL_CALL getMainTextDirection(  ) throw (::com::sun::star::uno::RuntimeException);
85         virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL getFont(  ) throw (::com::sun::star::uno::RuntimeException);
86         virtual ::com::sun::star::rendering::StringContext SAL_CALL getText(  ) throw (::com::sun::star::uno::RuntimeException);
87 
88         // XServiceInfo
89         virtual ::rtl::OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException );
90         virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw( ::com::sun::star::uno::RuntimeException );
91         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames()  throw( ::com::sun::star::uno::RuntimeException );
92 
93         bool draw( OutputDevice&                                   rOutDev,
94                    const Point&                                    rOutpos,
95                    const ::com::sun::star::rendering::ViewState&   viewState,
96                    const ::com::sun::star::rendering::RenderState& renderState ) const;
97 
98     private:
99         void setupTextOffsets( sal_Int32*										outputOffsets,
100                                const ::com::sun::star::uno::Sequence< double >& inputOffsets,
101                                const ::com::sun::star::rendering::ViewState& 	viewState,
102                                const ::com::sun::star::rendering::RenderState& 	renderState		) const;
103 
104         ::com::sun::star::rendering::StringContext 	     maText;
105         ::com::sun::star::uno::Sequence< double >        maLogicalAdvancements;
106         CanvasFont::Reference                            mpFont;
107         ::com::sun::star::uno::Reference<
108             ::com::sun::star::rendering::XGraphicDevice> mxDevice;
109         OutDevProviderSharedPtr                          mpOutDevProvider;
110         sal_Int8                                         mnTextDirection;
111     };
112 
113 }
114 
115 #endif /* _VCLCANVAS_TEXTLAYOUT_HXX */
116