canvas/source/null/null_textlayout.hxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: null_textlayout.hxx,v $
  10  * $Revision: 1.3 $
  11  *
  12  * This file is part of OpenOffice.org.
  13  *
  14  * OpenOffice.org is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU Lesser General Public License version 3
  16  * only, as published by the Free Software Foundation.
  17  *
  18  * OpenOffice.org is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU Lesser General Public License version 3 for more details
  22  * (a copy is included in the LICENSE file that accompanied this code).
  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
  27  * for a copy of the LGPLv3 License.
  28  *
  29  ************************************************************************/
  30
  31 #ifndef _NULLCANVAS_TEXTLAYOUT_HXX
  32 #define _NULLCANVAS_TEXTLAYOUT_HXX
  33
  34 #include <cppuhelper/compbase2.hxx>
  35 #include <comphelper/broadcasthelper.hxx>
  36
  37 #include <com/sun/star/lang/XServiceInfo.hpp>
  38 #include <com/sun/star/rendering/XTextLayout.hpp>
  39
  40 #include <basegfx/vector/b2isize.hxx>
  41
  42 #include <boost/utility.hpp>
  43
  44 #include "null_canvasfont.hxx"
  45 #include "null_usagecounter.hxx"
  46
  47
  48 /* Definition of TextLayout class */
  49
  50 namespace nullcanvas
  51 {
  52     typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XTextLayout,
  53                                                ::com::sun::star::lang::XServiceInfo > TextLayout_Base;
  54
  55     class TextLayout : public ::comphelper::OBaseMutex,
  56                        public TextLayout_Base,
  57                        private UsageCounter< TextLayout >,
  58                        private ::boost::noncopyable
  59     {
  60     public:
  61         TextLayout( const ::com::sun::star::rendering::StringContext& aText,
  62                     sal_Int8                                                  nDirection,
  63                     sal_Int64                                                 nRandomSeed,
  64                     const CanvasFont::ImplRef&                                rFont );
  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( const ::com::sun::star::rendering::ViewState&         rViewState,
  94                    const ::com::sun::star::rendering::RenderState&       rRenderState,
  95                    const ::com::sun::star::uno::Reference<
  96                          ::com::sun::star::rendering::XGraphicDevice >&  xGraphicDevice ) const;
  97
  98     protected:
  99         ~TextLayout(); // we're a ref-counted UNO class. _We_ destroy ourselves.
 100
 101     private:
 102         ::com::sun::star::rendering::StringContext maText;
 103         ::com::sun::star::uno::Sequence< double >  maLogicalAdvancements;
 104         CanvasFont::ImplRef                        mpFont;
 105         sal_Int8                                   mnTextDirection;
 106     };
 107
 108 }
 109
 110 #endif /* _NULLCANVAS_TEXTLAYOUT_HXX */