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86 lines
3.3 KiB
C++
86 lines
3.3 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// This file was modified by Oracle on 2017, 2018, 2019.
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// Modifications copyright (c) 2017-2019, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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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_PROJECTIONS_IMPL_FACTORY_ENTRY_HPP
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#define BOOST_GEOMETRY_PROJECTIONS_IMPL_FACTORY_ENTRY_HPP
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#include <string>
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#include <boost/geometry/srs/projections/impl/base_dynamic.hpp>
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namespace boost { namespace geometry { namespace projections
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{
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namespace detail
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{
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// forward declaration needed by some projections
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template <typename Params, typename CT, typename Parameters>
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class factory;
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template <typename Params, typename CT, typename Parameters>
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struct factory_entry
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{
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virtual ~factory_entry() {}
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virtual dynamic_wrapper_b<CT, Parameters>* create_new(Params const& , Parameters const& ) const = 0;
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};
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// Macros for entries definition
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#define BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_BEGIN(ENTRY) \
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template <typename Params, typename T, typename Parameters> \
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struct ENTRY : projections::detail::factory_entry<Params, T, Parameters> \
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{ \
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projections::detail::dynamic_wrapper_b<T, Parameters>* create_new(Params const& params, \
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Parameters const& parameters) const
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#define BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_END };
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#define BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_F(ENTRY, PROJ) \
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_BEGIN(ENTRY) \
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{ \
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return new projections::detail::dynamic_wrapper_f<PROJ<T, Parameters>, T, Parameters>(params, parameters); \
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} \
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_END
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#define BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI(ENTRY, PROJ) \
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_BEGIN(ENTRY) \
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{ \
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return new projections::detail::dynamic_wrapper_fi<PROJ<T, Parameters>, T, Parameters>(params, parameters); \
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} \
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_END
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#define BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_FI2(ENTRY, PROJ_S, PROJ_E) \
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_BEGIN(ENTRY) \
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{ \
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if (parameters.es != 0.0) \
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return new projections::detail::dynamic_wrapper_fi<PROJ_E<T, Parameters>, T, Parameters>(params, parameters); \
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else \
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return new projections::detail::dynamic_wrapper_fi<PROJ_S<T, Parameters>, T, Parameters>(params, parameters); \
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} \
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BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_ENTRY_END
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// Macros for factory initialization
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#define BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_BEGIN(FUN_NAME) \
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template <typename Params, typename T, typename Parameters> \
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inline void FUN_NAME(projections::detail::factory<Params, T, Parameters>& factory)
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#define BOOST_GEOMETRY_PROJECTIONS_DETAIL_FACTORY_INIT_ENTRY(PROJ_NAME, ENTRY) \
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factory.add_to_factory(#PROJ_NAME, \
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srs::dpar::proj_##PROJ_NAME, \
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new ENTRY<Params, T, Parameters>);
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} // namespace detail
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}}} // namespace boost::geometry::projections
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#endif // BOOST_GEOMETRY_PROJECTIONS_IMPL_FACTORY_ENTRY_HPP
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