xref: /AOO41X/main/canvas/source/cairo/cairo_textlayout.hxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27*cdf0e10cSrcweir 
28*cdf0e10cSrcweir #ifndef _CAIROCANVAS_TEXTLAYOUT_HXX
29*cdf0e10cSrcweir #define _CAIROCANVAS_TEXTLAYOUT_HXX
30*cdf0e10cSrcweir 
31*cdf0e10cSrcweir #include <cppuhelper/compbase2.hxx>
32*cdf0e10cSrcweir #include <comphelper/broadcasthelper.hxx>
33*cdf0e10cSrcweir 
34*cdf0e10cSrcweir #include <com/sun/star/lang/XServiceInfo.hpp>
35*cdf0e10cSrcweir #include <com/sun/star/rendering/XTextLayout.hpp>
36*cdf0e10cSrcweir 
37*cdf0e10cSrcweir #include <basegfx/vector/b2isize.hxx>
38*cdf0e10cSrcweir 
39*cdf0e10cSrcweir #include <vcl/outdev.hxx>
40*cdf0e10cSrcweir 
41*cdf0e10cSrcweir #include <boost/utility.hpp>
42*cdf0e10cSrcweir 
43*cdf0e10cSrcweir #include "cairo_cairo.hxx"
44*cdf0e10cSrcweir #include "cairo_canvasfont.hxx"
45*cdf0e10cSrcweir 
46*cdf0e10cSrcweir 
47*cdf0e10cSrcweir /* Definition of TextLayout class */
48*cdf0e10cSrcweir 
49*cdf0e10cSrcweir namespace cairocanvas
50*cdf0e10cSrcweir {
51*cdf0e10cSrcweir     typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XTextLayout,
52*cdf0e10cSrcweir                          					  ::com::sun::star::lang::XServiceInfo > TextLayout_Base;
53*cdf0e10cSrcweir 
54*cdf0e10cSrcweir     class TextLayout : public ::comphelper::OBaseMutex,
55*cdf0e10cSrcweir                        public TextLayout_Base,
56*cdf0e10cSrcweir                        private ::boost::noncopyable
57*cdf0e10cSrcweir     {
58*cdf0e10cSrcweir     public:
59*cdf0e10cSrcweir         TextLayout( const ::com::sun::star::rendering::StringContext& aText,
60*cdf0e10cSrcweir                     sal_Int8                                          nDirection,
61*cdf0e10cSrcweir                     sal_Int64                                         nRandomSeed,
62*cdf0e10cSrcweir                     const CanvasFont::Reference&                      rFont,
63*cdf0e10cSrcweir 					const SurfaceProviderRef&	                      rRefDevice );
64*cdf0e10cSrcweir 
65*cdf0e10cSrcweir         /// Dispose all internal references
66*cdf0e10cSrcweir         virtual void SAL_CALL disposing();
67*cdf0e10cSrcweir 
68*cdf0e10cSrcweir         // XTextLayout
69*cdf0e10cSrcweir         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);
70*cdf0e10cSrcweir         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryInkMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
71*cdf0e10cSrcweir         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
72*cdf0e10cSrcweir         virtual ::com::sun::star::uno::Sequence< double > SAL_CALL queryLogicalAdvancements(  ) throw (::com::sun::star::uno::RuntimeException);
73*cdf0e10cSrcweir         virtual void SAL_CALL applyLogicalAdvancements( const ::com::sun::star::uno::Sequence< double >& aAdvancements ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
74*cdf0e10cSrcweir         virtual ::com::sun::star::geometry::RealRectangle2D SAL_CALL queryTextBounds(  ) throw (::com::sun::star::uno::RuntimeException);
75*cdf0e10cSrcweir         virtual double SAL_CALL justify( double nSize ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
76*cdf0e10cSrcweir         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);
77*cdf0e10cSrcweir         virtual ::com::sun::star::rendering::TextHit SAL_CALL getTextHit( const ::com::sun::star::geometry::RealPoint2D& aHitPoint ) throw (::com::sun::star::uno::RuntimeException);
78*cdf0e10cSrcweir         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);
79*cdf0e10cSrcweir         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);
80*cdf0e10cSrcweir         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);
81*cdf0e10cSrcweir         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);
82*cdf0e10cSrcweir         virtual double SAL_CALL getBaselineOffset(  ) throw (::com::sun::star::uno::RuntimeException);
83*cdf0e10cSrcweir         virtual sal_Int8 SAL_CALL getMainTextDirection(  ) throw (::com::sun::star::uno::RuntimeException);
84*cdf0e10cSrcweir         virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL getFont(  ) throw (::com::sun::star::uno::RuntimeException);
85*cdf0e10cSrcweir         virtual ::com::sun::star::rendering::StringContext SAL_CALL getText(  ) throw (::com::sun::star::uno::RuntimeException);
86*cdf0e10cSrcweir 
87*cdf0e10cSrcweir         // XServiceInfo
88*cdf0e10cSrcweir         virtual ::rtl::OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException );
89*cdf0e10cSrcweir         virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw( ::com::sun::star::uno::RuntimeException );
90*cdf0e10cSrcweir         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames()  throw( ::com::sun::star::uno::RuntimeException );
91*cdf0e10cSrcweir 
92*cdf0e10cSrcweir         bool draw( ::cairo::Cairo* pCairo );
93*cdf0e10cSrcweir         bool draw( SurfaceSharedPtr&                               pSurface,
94*cdf0e10cSrcweir                    OutputDevice&                                   rOutDev,
95*cdf0e10cSrcweir                    const Point&                                    rOutpos,
96*cdf0e10cSrcweir                    const ::com::sun::star::rendering::ViewState&   viewState,
97*cdf0e10cSrcweir                    const ::com::sun::star::rendering::RenderState& renderState ) const;
98*cdf0e10cSrcweir 
99*cdf0e10cSrcweir         void setupTextOffsets( sal_Int32*										outputOffsets,
100*cdf0e10cSrcweir                                const ::com::sun::star::uno::Sequence< double >& inputOffsets,
101*cdf0e10cSrcweir                                const ::com::sun::star::rendering::ViewState& 	viewState,
102*cdf0e10cSrcweir                                const ::com::sun::star::rendering::RenderState& 	renderState		) const;
103*cdf0e10cSrcweir 
104*cdf0e10cSrcweir     protected:
105*cdf0e10cSrcweir         ~TextLayout(); // we're a ref-counted UNO class. _We_ destroy ourselves.
106*cdf0e10cSrcweir 
107*cdf0e10cSrcweir     private:
108*cdf0e10cSrcweir         ::com::sun::star::rendering::StringContext maText;
109*cdf0e10cSrcweir         ::com::sun::star::uno::Sequence< double >  maLogicalAdvancements;
110*cdf0e10cSrcweir         CanvasFont::Reference                      mpFont;
111*cdf0e10cSrcweir         SurfaceProviderRef               		   mpRefDevice;
112*cdf0e10cSrcweir         sal_Int8                                   mnTextDirection;
113*cdf0e10cSrcweir 
114*cdf0e10cSrcweir         void useFont( ::cairo::Cairo* pCairo );
115*cdf0e10cSrcweir         bool isCairoRenderable(SystemFontData aSysFontData) const;
116*cdf0e10cSrcweir     };
117*cdf0e10cSrcweir 
118*cdf0e10cSrcweir }
119*cdf0e10cSrcweir 
120*cdf0e10cSrcweir #endif /* _CAIROCANVAS_TEXTLAYOUT_HXX */
121