canvas/source/vcl/textlayout.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_CANVAS_SOURCE_VCL_TEXTLAYOUT_HXX
  21 #define INCLUDED_CANVAS_SOURCE_VCL_TEXTLAYOUT_HXX
  22
  23 #include <cppuhelper/compbase2.hxx>
  24 #include <comphelper/broadcasthelper.hxx>
  25
  26 #include <com/sun/star/lang/XServiceInfo.hpp>
  27 #include <com/sun/star/rendering/StringContext.hpp>
  28 #include <com/sun/star/rendering/XTextLayout.hpp>
  29
  30 #include <canvas/vclwrapper.hxx>
  31
  32 #include "canvasfont.hxx"
  33 #include "impltools.hxx"
  34
  35 #include <boost/utility.hpp>
  36
  37
  38 /* Definition of TextLayout class */
  39
  40 namespace vclcanvas
  41 {
  42     typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XTextLayout,
  43                                                ::com::sun::star::lang::XServiceInfo > TextLayout_Base;
  44
  45     class TextLayout : public ::comphelper::OBaseMutex,
  46                        public TextLayout_Base,
  47                        private ::boost::noncopyable
  48     {
  49     public:
  50         TextLayout( const ::com::sun::star::rendering::StringContext&   aText,
  51                     sal_Int8                                            nDirection,
  52                     sal_Int64                                           nRandomSeed,
  53                     const CanvasFont::Reference&                        rFont,
  54                     const ::com::sun::star::uno::Reference<
  55                           ::com::sun::star::rendering::XGraphicDevice>& xDevice,
  56                     const OutDevProviderSharedPtr&                      rOutDev );
  57
  58         /// Dispose all internal references
  59         virtual void SAL_CALL disposing() SAL_OVERRIDE;
  60
  61         // XTextLayout
  62         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, std::exception) SAL_OVERRIDE;
  63         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryInkMeasures(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  64         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryMeasures(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  65         virtual ::com::sun::star::uno::Sequence< double > SAL_CALL queryLogicalAdvancements(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  66         virtual void SAL_CALL applyLogicalAdvancements( const ::com::sun::star::uno::Sequence< double >& aAdvancements ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  67         virtual ::com::sun::star::geometry::RealRectangle2D SAL_CALL queryTextBounds(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  68         virtual double SAL_CALL justify( double nSize ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  69         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, std::exception) SAL_OVERRIDE;
  70         virtual ::com::sun::star::rendering::TextHit SAL_CALL getTextHit( const ::com::sun::star::geometry::RealPoint2D& aHitPoint ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  71         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, std::exception) SAL_OVERRIDE;
  72         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, std::exception) SAL_OVERRIDE;
  73         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, std::exception) SAL_OVERRIDE;
  74         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, std::exception) SAL_OVERRIDE;
  75         virtual double SAL_CALL getBaselineOffset(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  76         virtual sal_Int8 SAL_CALL getMainTextDirection(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  77         virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL getFont(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  78         virtual ::com::sun::star::rendering::StringContext SAL_CALL getText(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  79
  80         // XServiceInfo
  81         virtual OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  82         virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw( ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  83         virtual ::com::sun::star::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames()  throw( ::com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  84
  85         bool draw( OutputDevice&                                   rOutDev,
  86                    const Point&                                    rOutpos,
  87                    const ::com::sun::star::rendering::ViewState&   viewState,
  88                    const ::com::sun::star::rendering::RenderState& renderState ) const;
  89
  90     private:
  91         void setupTextOffsets( long* outputOffsets,
  92                                const ::com::sun::star::uno::Sequence< double >& inputOffsets,
  93                                const ::com::sun::star::rendering::ViewState&    viewState,
  94                                const ::com::sun::star::rendering::RenderState&  renderState     ) const;
  95
  96         ::com::sun::star::rendering::StringContext       maText;
  97         ::com::sun::star::uno::Sequence< double >        maLogicalAdvancements;
  98         CanvasFont::Reference                            mpFont;
  99         ::com::sun::star::uno::Reference<
 100             ::com::sun::star::rendering::XGraphicDevice> mxDevice;
 101         OutDevProviderSharedPtr                          mpOutDevProvider;
 102         sal_Int8                                         mnTextDirection;
 103     };
 104
 105 }
 106
 107 #endif // INCLUDED_CANVAS_SOURCE_VCL_TEXTLAYOUT_HXX
 108
 109 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */