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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
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 _VCLCANVAS_TEXTLAYOUT_HXX
21 : #define _VCLCANVAS_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 0 : 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();
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);
63 : virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryInkMeasures( ) throw (::com::sun::star::uno::RuntimeException);
64 : virtual ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealRectangle2D > SAL_CALL queryMeasures( ) throw (::com::sun::star::uno::RuntimeException);
65 : virtual ::com::sun::star::uno::Sequence< double > SAL_CALL queryLogicalAdvancements( ) throw (::com::sun::star::uno::RuntimeException);
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);
67 : virtual ::com::sun::star::geometry::RealRectangle2D SAL_CALL queryTextBounds( ) throw (::com::sun::star::uno::RuntimeException);
68 : virtual double SAL_CALL justify( double nSize ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
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);
70 : virtual ::com::sun::star::rendering::TextHit SAL_CALL getTextHit( const ::com::sun::star::geometry::RealPoint2D& aHitPoint ) throw (::com::sun::star::uno::RuntimeException);
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);
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);
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);
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);
75 : virtual double SAL_CALL getBaselineOffset( ) throw (::com::sun::star::uno::RuntimeException);
76 : virtual sal_Int8 SAL_CALL getMainTextDirection( ) throw (::com::sun::star::uno::RuntimeException);
77 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL getFont( ) throw (::com::sun::star::uno::RuntimeException);
78 : virtual ::com::sun::star::rendering::StringContext SAL_CALL getText( ) throw (::com::sun::star::uno::RuntimeException);
79 :
80 : // XServiceInfo
81 : virtual ::rtl::OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException );
82 : virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw( ::com::sun::star::uno::RuntimeException );
83 : virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw( ::com::sun::star::uno::RuntimeException );
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( sal_Int32* 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 /* _VCLCANVAS_TEXTLAYOUT_HXX */
108 :
109 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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