canvas/source/directx/dx_textlayout.hxx

   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 #pragma once
  21
  22 #include <cppuhelper/compbase.hxx>
  23 #include <cppuhelper/basemutex.hxx>
  24
  25 #include <com/sun/star/lang/XServiceInfo.hpp>
  26
  27 #include <com/sun/star/rendering/XTextLayout.hpp>
  28
  29 #include <basegfx/vector/b2isize.hxx>
  30
  31 #include "dx_canvasfont.hxx"
  32 #include "dx_ibitmap.hxx"
  33 #include "dx_winstuff.hxx"
  34 #include "dx_gdiplususer.hxx"
  35
  36
  37 /* Definition of TextLayout class */
  38 namespace dxcanvas
  39 {
  40     typedef ::cppu::WeakComponentImplHelper< css::rendering::XTextLayout,
  41                                              css::lang::XServiceInfo > TextLayout_Base;
  42
  43     class TextLayout : public ::cppu::BaseMutex,
  44                        public TextLayout_Base
  45     {
  46     public:
  47         TextLayout( const css::rendering::StringContext& aText,
  48                     sal_Int8                                                  nDirection,
  49                     sal_Int64                                                 nRandomSeed,
  50                     const CanvasFont::ImplRef&                                rFont );
  51         /// make noncopyable
  52         TextLayout(const TextLayout&) = delete;
  53         const TextLayout& operator=(const TextLayout&) = delete;
  54
  55         /// Dispose all internal references
  56         virtual void SAL_CALL disposing() override;
  57
  58         // XTextLayout
  59         virtual css::uno::Sequence< css::uno::Reference< css::rendering::XPolyPolygon2D > > SAL_CALL queryTextShapes(  ) override;
  60         virtual css::uno::Sequence< css::geometry::RealRectangle2D > SAL_CALL queryInkMeasures(  ) override;
  61         virtual css::uno::Sequence< css::geometry::RealRectangle2D > SAL_CALL queryMeasures(  ) override;
  62         virtual css::uno::Sequence< double > SAL_CALL queryLogicalAdvancements(  ) override;
  63         virtual void SAL_CALL applyLogicalAdvancements( const css::uno::Sequence< double >& aAdvancements ) override;
  64         virtual css::uno::Sequence< sal_Bool > SAL_CALL queryKashidaPositions(  ) override;
  65         virtual void SAL_CALL applyKashidaPositions( const css::uno::Sequence< sal_Bool >& aPositions ) override;
  66         virtual css::geometry::RealRectangle2D SAL_CALL queryTextBounds(  ) override;
  67         virtual double SAL_CALL justify( double nSize ) override;
  68         virtual double SAL_CALL combinedJustify( const css::uno::Sequence< css::uno::Reference< css::rendering::XTextLayout > >& aNextLayouts, double nSize ) override;
  69         virtual css::rendering::TextHit SAL_CALL getTextHit( const css::geometry::RealPoint2D& aHitPoint ) override;
  70         virtual css::rendering::Caret SAL_CALL getCaret( sal_Int32 nInsertionIndex, sal_Bool bExcludeLigatures ) override;
  71         virtual sal_Int32 SAL_CALL getNextInsertionIndex( sal_Int32 nStartIndex, sal_Int32 nCaretAdvancement, sal_Bool bExcludeLigatures ) override;
  72         virtual css::uno::Reference< css::rendering::XPolyPolygon2D > SAL_CALL queryVisualHighlighting( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
  73         virtual css::uno::Reference< css::rendering::XPolyPolygon2D > SAL_CALL queryLogicalHighlighting( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
  74         virtual double SAL_CALL getBaselineOffset(  ) override;
  75         virtual sal_Int8 SAL_CALL getMainTextDirection(  ) override;
  76         virtual css::uno::Reference< css::rendering::XCanvasFont > SAL_CALL getFont(  ) override;
  77         virtual css::rendering::StringContext SAL_CALL getText(  ) override;
  78
  79         // XServiceInfo
  80         virtual OUString SAL_CALL getImplementationName() override;
  81         virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
  82         virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
  83
  84         bool draw( const GraphicsSharedPtr&                              rGraphics,
  85                    const css::rendering::ViewState&         rViewState,
  86                    const css::rendering::RenderState&       rRenderState,
  87                    const ::basegfx::B2ISize&                             rOutputOffset,
  88                    const css::uno::Reference<
  89                    css::rendering::XGraphicDevice >&        xGraphicDevice,
  90                    bool                                                  bAlphaSurface ) const;
  91
  92     protected:
  93         ~TextLayout() override; // we're a ref-counted UNO class. _We_ destroy ourselves.
  94
  95     private:
  96         // NOTE: no need for GDIPlusUserSharedPtr, mpFont implicitly has one already
  97
  98         css::rendering::StringContext              maText;
  99         css::uno::Sequence< double >               maLogicalAdvancements;
 100         css::uno::Sequence< sal_Bool >             maKashidaPositions;
 101         CanvasFont::ImplRef                        mpFont;
 102         sal_Int8                                   mnTextDirection;
 103     };
 104
 105 }
 106
 107 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */