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 _VCLCANVAS_TEXTLAYOUT_HXX 25 #define _VCLCANVAS_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/StringContext.hpp> 32 #include <com/sun/star/rendering/XTextLayout.hpp> 33 34 #include <canvas/vclwrapper.hxx> 35 36 #include "canvasfont.hxx" 37 #include "impltools.hxx" 38 39 #include <boost/utility.hpp> 40 41 42 /* Definition of TextLayout class */ 43 44 namespace vclcanvas 45 { 46 typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XTextLayout, 47 ::com::sun::star::lang::XServiceInfo > TextLayout_Base; 48 49 class TextLayout : public ::comphelper::OBaseMutex, 50 public TextLayout_Base, 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::Reference& rFont, 58 const ::com::sun::star::uno::Reference< 59 ::com::sun::star::rendering::XGraphicDevice>& xDevice, 60 const OutDevProviderSharedPtr& rOutDev ); 61 62 /// Dispose all internal references 63 virtual void SAL_CALL disposing(); 64 65 // XTextLayout 66 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); 67 virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryInkMeasures( ) throw (::com::sun::star::uno::RuntimeException); 68 virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryMeasures( ) throw (::com::sun::star::uno::RuntimeException); 69 virtual ::com::sun::star::uno::Sequence< double > SAL_CALL queryLogicalAdvancements( ) throw (::com::sun::star::uno::RuntimeException); 70 virtual void SAL_CALL applyLogicalAdvancements( const ::com::sun::star::uno::Sequence< double >& aAdvancements ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException); 71 virtual ::com::sun::star::geometry::RealRectangle2D SAL_CALL queryTextBounds( ) throw (::com::sun::star::uno::RuntimeException); 72 virtual double SAL_CALL justify( double nSize ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException); 73 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); 74 virtual ::com::sun::star::rendering::TextHit SAL_CALL getTextHit( const ::com::sun::star::geometry::RealPoint2D& aHitPoint ) throw (::com::sun::star::uno::RuntimeException); 75 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); 76 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); 77 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); 78 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); 79 virtual double SAL_CALL getBaselineOffset( ) throw (::com::sun::star::uno::RuntimeException); 80 virtual sal_Int8 SAL_CALL getMainTextDirection( ) throw (::com::sun::star::uno::RuntimeException); 81 virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL getFont( ) throw (::com::sun::star::uno::RuntimeException); 82 virtual ::com::sun::star::rendering::StringContext SAL_CALL getText( ) throw (::com::sun::star::uno::RuntimeException); 83 84 // XServiceInfo 85 virtual ::rtl::OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException ); 86 virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw( ::com::sun::star::uno::RuntimeException ); 87 virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw( ::com::sun::star::uno::RuntimeException ); 88 89 bool draw( OutputDevice& rOutDev, 90 const Point& rOutpos, 91 const ::com::sun::star::rendering::ViewState& viewState, 92 const ::com::sun::star::rendering::RenderState& renderState ) const; 93 94 private: 95 void setupTextOffsets( sal_Int32* outputOffsets, 96 const ::com::sun::star::uno::Sequence< double >& inputOffsets, 97 const ::com::sun::star::rendering::ViewState& viewState, 98 const ::com::sun::star::rendering::RenderState& renderState ) const; 99 100 ::com::sun::star::rendering::StringContext maText; 101 ::com::sun::star::uno::Sequence< double > maLogicalAdvancements; 102 CanvasFont::Reference mpFont; 103 ::com::sun::star::uno::Reference< 104 ::com::sun::star::rendering::XGraphicDevice> mxDevice; 105 OutDevProviderSharedPtr mpOutDevProvider; 106 sal_Int8 mnTextDirection; 107 }; 108 109 } 110 111 #endif /* _VCLCANVAS_TEXTLAYOUT_HXX */ 112