118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
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// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
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// Copyright (c) 2014 Adam Wulkiewicz, Lodz, Poland.
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_GEOMETRIES_MULTI_POLYGON_HPP
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#define BOOST_GEOMETRY_GEOMETRIES_MULTI_POLYGON_HPP
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#include <memory>
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#include <vector>
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#include <boost/concept/requires.hpp>
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#include <boost/geometry/core/tags.hpp>
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#include <boost/geometry/geometries/concepts/polygon_concept.hpp>
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#include <boost/config.hpp>
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#ifndef BOOST_NO_CXX11_HDR_INITIALIZER_LIST
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#include <initializer_list>
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#endif
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namespace boost { namespace geometry
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{
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namespace model
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{
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/*!
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\brief multi_polygon, a collection of polygons
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\details Multi-polygon can be used to group polygons belonging to each other,
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e.g. Hawaii
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\ingroup geometries
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\qbk{[include reference/geometries/multi_polygon.qbk]}
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\qbk{before.synopsis,
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[heading Model of]
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[link geometry.reference.concepts.concept_multi_polygon MultiPolygon Concept]
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}
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*/
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template
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<
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typename Polygon,
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template<typename, typename> class Container = std::vector,
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template<typename> class Allocator = std::allocator
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>
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class multi_polygon : public Container<Polygon, Allocator<Polygon> >
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{
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BOOST_CONCEPT_ASSERT( (concepts::Polygon<Polygon>) );
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#ifndef BOOST_NO_CXX11_HDR_INITIALIZER_LIST
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// default constructor and base_type definitions are required only
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// if the constructor taking std::initializer_list is defined
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typedef Container<Polygon, Allocator<Polygon> > base_type;
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public:
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/// \constructor_default{multi_polygon}
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multi_polygon()
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: base_type()
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{}
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/// \constructor_initializer_list{multi_polygon}
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inline multi_polygon(std::initializer_list<Polygon> l)
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: base_type(l.begin(), l.end())
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{}
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// Commented out for now in order to support Boost.Assign
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// Without this assignment operator first the object should be created
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// from initializer list, then it shoudl be moved.
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//// Without this workaround in MSVC the assignment operator is ambiguous
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//#ifndef BOOST_MSVC
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// /// \assignment_initializer_list{multi_polygon}
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// inline multi_polygon & operator=(std::initializer_list<Polygon> l)
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// {
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// base_type::assign(l.begin(), l.end());
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// return *this;
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// }
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//#endif
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#endif
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};
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} // namespace model
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#ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
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namespace traits
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{
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template
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<
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typename Polygon,
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template<typename, typename> class Container,
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template<typename> class Allocator
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>
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struct tag< model::multi_polygon<Polygon, Container, Allocator> >
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{
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typedef multi_polygon_tag type;
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};
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} // namespace traits
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#endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_GEOMETRIES_MULTI_POLYGON_HPP
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