1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _NULLCANVAS_TEXTLAYOUT_HXX 25 #define _NULLCANVAS_TEXTLAYOUT_HXX 26 27 #include <cppuhelper/compbase2.hxx> 28 #include <comphelper/broadcasthelper.hxx> 29 30 #include <com/sun/star/lang/XServiceInfo.hpp> 31 #include <com/sun/star/rendering/XTextLayout.hpp> 32 33 #include <basegfx/vector/b2isize.hxx> 34 35 #include <boost/utility.hpp> 36 37 #include "null_canvasfont.hxx" 38 #include "null_usagecounter.hxx" 39 40 41 /* Definition of TextLayout class */ 42 43 namespace nullcanvas 44 { 45 typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XTextLayout, 46 ::com::sun::star::lang::XServiceInfo > TextLayout_Base; 47 48 class TextLayout : public ::comphelper::OBaseMutex, 49 public TextLayout_Base, 50 private UsageCounter< TextLayout >, 51 private ::boost::noncopyable 52 { 53 public: 54 TextLayout( const ::com::sun::star::rendering::StringContext& aText, 55 sal_Int8 nDirection, 56 sal_Int64 nRandomSeed, 57 const CanvasFont::ImplRef& rFont ); 58 59 /// Dispose all internal references 60 virtual void SAL_CALL disposing(); 61 62 // XTextLayout 63 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); 64 virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryInkMeasures( ) throw (::com::sun::star::uno::RuntimeException); 65 virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryMeasures( ) throw (::com::sun::star::uno::RuntimeException); 66 virtual ::com::sun::star::uno::Sequence< double > SAL_CALL queryLogicalAdvancements( ) throw (::com::sun::star::uno::RuntimeException); 67 virtual void SAL_CALL applyLogicalAdvancements( const ::com::sun::star::uno::Sequence< double >& aAdvancements ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException); 68 virtual ::com::sun::star::geometry::RealRectangle2D SAL_CALL queryTextBounds( ) throw (::com::sun::star::uno::RuntimeException); 69 virtual double SAL_CALL justify( double nSize ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException); 70 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); 71 virtual ::com::sun::star::rendering::TextHit SAL_CALL getTextHit( const ::com::sun::star::geometry::RealPoint2D& aHitPoint ) throw (::com::sun::star::uno::RuntimeException); 72 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); 73 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); 74 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); 75 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); 76 virtual double SAL_CALL getBaselineOffset( ) throw (::com::sun::star::uno::RuntimeException); 77 virtual sal_Int8 SAL_CALL getMainTextDirection( ) throw (::com::sun::star::uno::RuntimeException); 78 virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL getFont( ) throw (::com::sun::star::uno::RuntimeException); 79 virtual ::com::sun::star::rendering::StringContext SAL_CALL getText( ) throw (::com::sun::star::uno::RuntimeException); 80 81 // XServiceInfo 82 virtual ::rtl::OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException ); 83 virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw( ::com::sun::star::uno::RuntimeException ); 84 virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw( ::com::sun::star::uno::RuntimeException ); 85 86 bool draw( const ::com::sun::star::rendering::ViewState& rViewState, 87 const ::com::sun::star::rendering::RenderState& rRenderState, 88 const ::com::sun::star::uno::Reference< 89 ::com::sun::star::rendering::XGraphicDevice >& xGraphicDevice ) const; 90 91 protected: 92 ~TextLayout(); // we're a ref-counted UNO class. _We_ destroy ourselves. 93 94 private: 95 ::com::sun::star::rendering::StringContext maText; 96 ::com::sun::star::uno::Sequence< double > maLogicalAdvancements; 97 CanvasFont::ImplRef mpFont; 98 sal_Int8 mnTextDirection; 99 }; 100 101 } 102 103 #endif /* _NULLCANVAS_TEXTLAYOUT_HXX */ 104