include/basegfx/utils/unopolypolygon.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 <comphelper/compbase.hxx>
  23 #include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
  24 #include <com/sun/star/lang/XServiceInfo.hpp>
  25 #include <com/sun/star/rendering/FillRule.hpp>
  26 #include <com/sun/star/rendering/XLinePolyPolygon2D.hpp>
  27 #include <com/sun/star/rendering/XBezierPolyPolygon2D.hpp>
  28 #include <basegfx/polygon/b2dpolypolygon.hxx>
  29 #include <basegfx/basegfxdllapi.h>
  30 #include <o3tl/safeint.hxx>
  31
  32 namespace basegfx::unotools
  33 {
  34     typedef comphelper::WeakComponentImplHelper<
  35             css::rendering::XLinePolyPolygon2D,
  36             css::rendering::XBezierPolyPolygon2D,
  37             css::lang::XServiceInfo > UnoPolyPolygonBase;
  38
  39     class BASEGFX_DLLPUBLIC UnoPolyPolygon
  40         : public UnoPolyPolygonBase
  41     {
  42     public:
  43         explicit UnoPolyPolygon( B2DPolyPolygon );
  44
  45         // XPolyPolygon2D
  46         SAL_DLLPRIVATE virtual void SAL_CALL addPolyPolygon( const css::geometry::RealPoint2D& position, const css::uno::Reference< css::rendering::XPolyPolygon2D >& polyPolygon ) override final;
  47         SAL_DLLPRIVATE virtual ::sal_Int32 SAL_CALL getNumberOfPolygons(  ) override final;
  48         SAL_DLLPRIVATE virtual ::sal_Int32 SAL_CALL getNumberOfPolygonPoints( ::sal_Int32 polygon ) override final;
  49         SAL_DLLPRIVATE virtual css::rendering::FillRule SAL_CALL getFillRule(  ) override final;
  50         SAL_DLLPRIVATE virtual void SAL_CALL setFillRule( css::rendering::FillRule fillRule ) override final;
  51         SAL_DLLPRIVATE virtual sal_Bool SAL_CALL isClosed( ::sal_Int32 index ) override final;
  52         SAL_DLLPRIVATE virtual void SAL_CALL setClosed( ::sal_Int32 index, sal_Bool closedState ) override final;
  53
  54         // XLinePolyPolygon2D
  55         SAL_DLLPRIVATE virtual css::uno::Sequence< css::uno::Sequence< css::geometry::RealPoint2D > > SAL_CALL getPoints( ::sal_Int32 nPolygonIndex, ::sal_Int32 nNumberOfPolygons, ::sal_Int32 nPointIndex, ::sal_Int32 nNumberOfPoints ) override final;
  56         SAL_DLLPRIVATE virtual void SAL_CALL setPoints( const css::uno::Sequence< css::uno::Sequence< css::geometry::RealPoint2D > >& points, ::sal_Int32 nPolygonIndex ) override final;
  57         SAL_DLLPRIVATE virtual css::geometry::RealPoint2D SAL_CALL getPoint( ::sal_Int32 nPolygonIndex, ::sal_Int32 nPointIndex ) override final;
  58         SAL_DLLPRIVATE virtual void SAL_CALL setPoint( const css::geometry::RealPoint2D& point, ::sal_Int32 nPolygonIndex, ::sal_Int32 nPointIndex ) override final;
  59
  60         // XBezierPolyPolygon2D
  61         SAL_DLLPRIVATE virtual css::uno::Sequence< css::uno::Sequence< css::geometry::RealBezierSegment2D > > SAL_CALL getBezierSegments( ::sal_Int32 nPolygonIndex, ::sal_Int32 nNumberOfPolygons, ::sal_Int32 nPointIndex, ::sal_Int32 nNumberOfPoints ) override final;
  62         SAL_DLLPRIVATE virtual void SAL_CALL setBezierSegments( const css::uno::Sequence< css::uno::Sequence< css::geometry::RealBezierSegment2D > >& points, ::sal_Int32 nPolygonIndex ) override final;
  63         SAL_DLLPRIVATE virtual css::geometry::RealBezierSegment2D SAL_CALL getBezierSegment( ::sal_Int32 nPolygonIndex, ::sal_Int32 nPointIndex ) override final;
  64         SAL_DLLPRIVATE virtual void SAL_CALL setBezierSegment( const css::geometry::RealBezierSegment2D& point, ::sal_Int32 nPolygonIndex, ::sal_Int32 nPointIndex ) override final;
  65
  66         // XServiceInfo
  67         SAL_DLLPRIVATE virtual OUString SAL_CALL getImplementationName() override final;
  68         SAL_DLLPRIVATE virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override final;
  69         SAL_DLLPRIVATE virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override final;
  70
  71         SAL_DLLPRIVATE B2DPolyPolygon getPolyPolygon() const;
  72
  73     protected:
  74         /// Check whether index is a valid polygon index
  75         void checkIndex( sal_Int32 nIndex ) const // throw (css::lang::IndexOutOfBoundsException);
  76         {
  77             if( nIndex < 0 || o3tl::make_unsigned(nIndex) >= maPolyPoly.count() )
  78                 throw css::lang::IndexOutOfBoundsException();
  79         }
  80
  81         SAL_DLLPRIVATE B2DPolyPolygon getSubsetPolyPolygon( sal_Int32 nPolygonIndex,
  82                                              sal_Int32 nNumberOfPolygons,
  83                                              sal_Int32 nPointIndex,
  84                                              sal_Int32 nNumberOfPoints ) const;
  85
  86         /// Get cow copy of internal polygon. not thread-safe outside this object.
  87         const B2DPolyPolygon& getPolyPolygonUnsafe() const
  88         {
  89             return maPolyPoly;
  90         }
  91
  92         /// Called whenever internal polypolygon gets modified
  93         virtual void modifying() const {}
  94
  95     private:
  96         UnoPolyPolygon(const UnoPolyPolygon&) = delete;
  97         UnoPolyPolygon& operator=(const UnoPolyPolygon&) = delete;
  98
  99         B2DPolyPolygon                        maPolyPoly;
 100         css::rendering::FillRule              meFillRule;
 101     };
 102 }
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */