1 /*************************************************************************
2  *
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * Copyright 2000, 2010 Oracle and/or its affiliates.
6  *
7  * OpenOffice.org - a multi-platform office productivity suite
8  *
9  * This file is part of OpenOffice.org.
10  *
11  * OpenOffice.org is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser General Public License version 3
13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
19  * (a copy is included in the LICENSE file that accompanied this code).
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 
28 #ifndef _NULLCANVAS_TEXTLAYOUT_HXX
29 #define _NULLCANVAS_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/XTextLayout.hpp>
36 
37 #include <basegfx/vector/b2isize.hxx>
38 
39 #include <boost/utility.hpp>
40 
41 #include "null_canvasfont.hxx"
42 #include "null_usagecounter.hxx"
43 
44 
45 /* Definition of TextLayout class */
46 
47 namespace nullcanvas
48 {
49     typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XTextLayout,
50                          					  ::com::sun::star::lang::XServiceInfo > TextLayout_Base;
51 
52     class TextLayout : public ::comphelper::OBaseMutex,
53                        public TextLayout_Base,
54                        private UsageCounter< TextLayout >,
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::ImplRef&                                rFont );
62 
63         /// Dispose all internal references
64         virtual void SAL_CALL disposing();
65 
66         // XTextLayout
67         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);
68         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryInkMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
69         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryMeasures(  ) throw (::com::sun::star::uno::RuntimeException);
70         virtual ::com::sun::star::uno::Sequence< double > SAL_CALL queryLogicalAdvancements(  ) throw (::com::sun::star::uno::RuntimeException);
71         virtual void SAL_CALL applyLogicalAdvancements( const ::com::sun::star::uno::Sequence< double >& aAdvancements ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
72         virtual ::com::sun::star::geometry::RealRectangle2D SAL_CALL queryTextBounds(  ) throw (::com::sun::star::uno::RuntimeException);
73         virtual double SAL_CALL justify( double nSize ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
74         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);
75         virtual ::com::sun::star::rendering::TextHit SAL_CALL getTextHit( const ::com::sun::star::geometry::RealPoint2D& aHitPoint ) throw (::com::sun::star::uno::RuntimeException);
76         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);
77         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);
78         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);
79         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);
80         virtual double SAL_CALL getBaselineOffset(  ) throw (::com::sun::star::uno::RuntimeException);
81         virtual sal_Int8 SAL_CALL getMainTextDirection(  ) throw (::com::sun::star::uno::RuntimeException);
82         virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL getFont(  ) throw (::com::sun::star::uno::RuntimeException);
83         virtual ::com::sun::star::rendering::StringContext SAL_CALL getText(  ) throw (::com::sun::star::uno::RuntimeException);
84 
85         // XServiceInfo
86         virtual ::rtl::OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException );
87         virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw( ::com::sun::star::uno::RuntimeException );
88         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames()  throw( ::com::sun::star::uno::RuntimeException );
89 
90         bool draw( const ::com::sun::star::rendering::ViewState&         rViewState,
91 				   const ::com::sun::star::rendering::RenderState&       rRenderState,
92 				   const ::com::sun::star::uno::Reference<
93                          ::com::sun::star::rendering::XGraphicDevice >&  xGraphicDevice ) const;
94 
95     protected:
96         ~TextLayout(); // we're a ref-counted UNO class. _We_ destroy ourselves.
97 
98     private:
99         ::com::sun::star::rendering::StringContext maText;
100         ::com::sun::star::uno::Sequence< double >  maLogicalAdvancements;
101         CanvasFont::ImplRef                        mpFont;
102         sal_Int8                                   mnTextDirection;
103     };
104 
105 }
106 
107 #endif /* _NULLCANVAS_TEXTLAYOUT_HXX */
108