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