Added thirdparty: boost library

2026-08-16 12:18:09 +00:00 · 2024-01-06 19:55:56 +02:00
parent bf49f439e1
commit bccd1e7051
15683 changed files with 3239840 additions and 0 deletions
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+// Boost.Geometry
+
+// Copyright (c) 2021, Oracle and/or its affiliates.
+
+// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
+
+// Licensed under the Boost Software License version 1.0.
+// http://www.boost.org/users/license.html
+
+#ifndef BOOST_GEOMETRY_STRATEGIES_SIMPLIFY_CARTESIAN_HPP
+#define BOOST_GEOMETRY_STRATEGIES_SIMPLIFY_CARTESIAN_HPP
+
+
+#include <boost/geometry/strategies/agnostic/simplify_douglas_peucker.hpp>
+#include <boost/geometry/strategies/cartesian/distance_projected_point.hpp>
+#include <boost/geometry/strategies/cartesian/distance_pythagoras.hpp>
+#include <boost/geometry/strategies/cartesian/point_in_point.hpp>
+
+#include <boost/geometry/strategies/detail.hpp>
+#include <boost/geometry/strategies/distance/comparable.hpp>
+#include <boost/geometry/strategies/distance/detail.hpp>
+#include <boost/geometry/strategies/simplify/services.hpp>
+
+#include <boost/geometry/strategy/cartesian/area.hpp>
+
+#include <boost/geometry/util/type_traits.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+namespace strategies { namespace simplify
+{
+
+template <typename CalculationType = void>
+struct cartesian
+    : public strategies::detail::cartesian_base
+{
+    // TODO: Replace this if calculate_point_order() is used in simplify
+    template <typename Geometry>
+    static auto area(Geometry const&)
+    {
+        return strategy::area::cartesian<CalculationType>();
+    }
+
+    // For perimeter()
+    template <typename Geometry1, typename Geometry2>
+    static auto distance(Geometry1 const&, Geometry2 const&,
+                         distance::detail::enable_if_pp_t<Geometry1, Geometry2> * = nullptr)
+    {
+        return strategy::distance::pythagoras<CalculationType>();
+    }
+
+    // For douglas_peucker
+    template <typename Geometry1, typename Geometry2>
+    static auto distance(Geometry1 const&, Geometry2 const&,
+                         distance::detail::enable_if_ps_t<Geometry1, Geometry2> * = nullptr)
+    {
+        return strategy::distance::projected_point
+            <
+                CalculationType,
+                strategy::distance::pythagoras<CalculationType>
+            >();
+    }
+
+    // For equals()
+    template <typename Geometry1, typename Geometry2>
+    static auto relate(Geometry1 const&, Geometry2 const&,
+                       std::enable_if_t
+                            <
+                                util::is_pointlike<Geometry1>::value
+                             && util::is_pointlike<Geometry2>::value
+                            > * = nullptr)
+    {
+        return strategy::within::cartesian_point_point();
+    }
+};
+
+
+namespace services
+{
+
+template <typename Geometry>
+struct default_strategy<Geometry, cartesian_tag>
+{
+    using type = strategies::simplify::cartesian<>;
+};
+
+
+template <typename P, typename CT, typename S>
+struct strategy_converter
+    <
+        strategy::simplify::douglas_peucker
+            <
+                P,
+                strategy::distance::projected_point<CT, S>
+            >
+    >
+{
+    template <typename Strategy>
+    static auto get(Strategy const& )
+    {
+        typedef strategies::simplify::cartesian<CT> strategy_type;
+        return std::conditional_t
+            <
+                std::is_same
+                    <
+                        S,
+                        typename strategy::distance::services::comparable_type<S>::type
+                    >::value,
+                strategies::distance::detail::comparable<strategy_type>,
+                strategy_type
+            >();
+    }
+};
+
+
+} // namespace services
+
+}} // namespace strategies::simplify
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_STRATEGIES_SIMPLIFY_CARTESIAN_HPP