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