LibreOffice Module canvas (master)  1
cairo_textlayout.hxx
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19 
20 #pragma once
21 
22 #include <cppuhelper/compbase.hxx>
23 #include <cppuhelper/basemutex.hxx>
24 
25 #include <com/sun/star/lang/XServiceInfo.hpp>
26 #include <com/sun/star/rendering/RenderState.hpp>
27 #include <com/sun/star/rendering/ViewState.hpp>
28 #include <com/sun/star/rendering/XTextLayout.hpp>
29 
30 #include <vcl/outdev.hxx>
31 
32 #include "cairo_canvasfont.hxx"
33 
34 
35 /* Definition of TextLayout class */
36 
37 namespace cairocanvas
38 {
39  typedef ::cppu::WeakComponentImplHelper< css::rendering::XTextLayout,
40  css::lang::XServiceInfo > TextLayout_Base;
41 
42  class TextLayout : public ::cppu::BaseMutex,
43  public TextLayout_Base
44  {
45  public:
47  TextLayout(const TextLayout&) = delete;
48  const TextLayout& operator=(const TextLayout&) = delete;
49 
50  TextLayout( const css::rendering::StringContext& aText,
51  sal_Int8 nDirection,
52  sal_Int64 nRandomSeed,
53  const CanvasFont::Reference& rFont,
54  const SurfaceProviderRef& rRefDevice );
55 
57  virtual void SAL_CALL disposing() override;
58 
59  // XTextLayout
60  virtual css::uno::Sequence< css::uno::Reference< css::rendering::XPolyPolygon2D > > SAL_CALL queryTextShapes( ) override;
61  virtual css::uno::Sequence< css::geometry::RealRectangle2D > SAL_CALL queryInkMeasures( ) override;
62  virtual css::uno::Sequence< css::geometry::RealRectangle2D > SAL_CALL queryMeasures( ) override;
63  virtual css::uno::Sequence< double > SAL_CALL queryLogicalAdvancements( ) override;
64  virtual void SAL_CALL applyLogicalAdvancements( const css::uno::Sequence< double >& aAdvancements ) override;
65  virtual css::geometry::RealRectangle2D SAL_CALL queryTextBounds( ) override;
66  virtual double SAL_CALL justify( double nSize ) override;
67  virtual double SAL_CALL combinedJustify( const css::uno::Sequence< css::uno::Reference< css::rendering::XTextLayout > >& aNextLayouts, double nSize ) override;
68  virtual css::rendering::TextHit SAL_CALL getTextHit( const css::geometry::RealPoint2D& aHitPoint ) override;
69  virtual css::rendering::Caret SAL_CALL getCaret( sal_Int32 nInsertionIndex, sal_Bool bExcludeLigatures ) override;
70  virtual sal_Int32 SAL_CALL getNextInsertionIndex( sal_Int32 nStartIndex, sal_Int32 nCaretAdvancement, sal_Bool bExcludeLigatures ) override;
71  virtual css::uno::Reference< css::rendering::XPolyPolygon2D > SAL_CALL queryVisualHighlighting( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
72  virtual css::uno::Reference< css::rendering::XPolyPolygon2D > SAL_CALL queryLogicalHighlighting( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
73  virtual double SAL_CALL getBaselineOffset( ) override;
74  virtual sal_Int8 SAL_CALL getMainTextDirection( ) override;
75  virtual css::uno::Reference< css::rendering::XCanvasFont > SAL_CALL getFont( ) override;
76  virtual css::rendering::StringContext SAL_CALL getText( ) override;
77 
78  // XServiceInfo
79  virtual OUString SAL_CALL getImplementationName() override;
80  virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
81  virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
82 
83  void draw( OutputDevice& rOutDev,
84  const Point& rOutpos,
85  const css::rendering::ViewState& viewState,
86  const css::rendering::RenderState& renderState ) const;
87 
88  void setupTextOffsets( tools::Long* outputOffsets,
89  const css::uno::Sequence< double >& inputOffsets,
90  const css::rendering::ViewState& viewState,
91  const css::rendering::RenderState& renderState ) const;
92 
93  protected:
94  virtual ~TextLayout() override; // we're a ref-counted UNO class. _We_ destroy ourselves.
95 
96  private:
97  css::rendering::StringContext maText;
98  css::uno::Sequence< double > maLogicalAdvancements;
102  };
103 
104 }
105 
106 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
virtual sal_Int32 SAL_CALL getNextInsertionIndex(sal_Int32 nStartIndex, sal_Int32 nCaretAdvancement, sal_Bool bExcludeLigatures) override
virtual css::uno::Reference< css::rendering::XPolyPolygon2D > SAL_CALL queryVisualHighlighting(sal_Int32 nStartIndex, sal_Int32 nEndIndex) override
TextLayout(const TextLayout &)=delete
make noncopyable
signed char sal_Int8
virtual css::geometry::RealRectangle2D SAL_CALL queryTextBounds() override
virtual css::uno::Sequence< css::geometry::RealRectangle2D > SAL_CALL queryInkMeasures() override
long Long
virtual css::rendering::Caret SAL_CALL getCaret(sal_Int32 nInsertionIndex, sal_Bool bExcludeLigatures) override
virtual css::uno::Sequence< double > SAL_CALL queryLogicalAdvancements() override
virtual sal_Int8 SAL_CALL getMainTextDirection() override
virtual double SAL_CALL combinedJustify(const css::uno::Sequence< css::uno::Reference< css::rendering::XTextLayout > > &aNextLayouts, double nSize) override
virtual css::uno::Reference< css::rendering::XCanvasFont > SAL_CALL getFont() override
::cppu::WeakComponentImplHelper< css::rendering::XTextLayout, css::lang::XServiceInfo > TextLayout_Base
css::rendering::StringContext maText
virtual css::uno::Reference< css::rendering::XPolyPolygon2D > SAL_CALL queryLogicalHighlighting(sal_Int32 nStartIndex, sal_Int32 nEndIndex) override
virtual css::uno::Sequence< css::geometry::RealRectangle2D > SAL_CALL queryMeasures() override
virtual css::rendering::StringContext SAL_CALL getText() override
unsigned char sal_Bool
virtual void SAL_CALL applyLogicalAdvancements(const css::uno::Sequence< double > &aAdvancements) override
virtual css::uno::Sequence< css::uno::Reference< css::rendering::XPolyPolygon2D > > SAL_CALL queryTextShapes() override
const TextLayout & operator=(const TextLayout &)=delete
virtual double SAL_CALL getBaselineOffset() override
virtual void SAL_CALL disposing() override
Dispose all internal references.
virtual ~TextLayout() override
SurfaceProviderRef mpRefDevice
virtual double SAL_CALL justify(double nSize) override
void setupTextOffsets(tools::Long *outputOffsets, const css::uno::Sequence< double > &inputOffsets, const css::rendering::ViewState &viewState, const css::rendering::RenderState &renderState) const
virtual sal_Bool SAL_CALL supportsService(const OUString &ServiceName) override
CanvasFont::Reference mpFont
virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override
virtual OUString SAL_CALL getImplementationName() override
css::uno::Sequence< double > maLogicalAdvancements
virtual css::rendering::TextHit SAL_CALL getTextHit(const css::geometry::RealPoint2D &aHitPoint) override
void draw(OutputDevice &rOutDev, const Point &rOutpos, const css::rendering::ViewState &viewState, const css::rendering::RenderState &renderState) const