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authorDongHun Kwak <dh0128.kwak@samsung.com>2017-09-13 11:08:07 +0900
committerDongHun Kwak <dh0128.kwak@samsung.com>2017-09-13 11:09:00 +0900
commitb5c87084afaef42b2d058f68091be31988a6a874 (patch)
treeadef9a65870a41181687e11d57fdf98e7629de3c /boost/geometry/algorithms/detail/is_simple/interface.hpp
parent34bd32e225e2a8a94104489b31c42e5801cc1f4a (diff)
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Imported Upstream version 1.64.0upstream/1.64.0
Change-Id: Id9212edd016dd55f21172c427aa7894d1d24148b Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>
Diffstat (limited to 'boost/geometry/algorithms/detail/is_simple/interface.hpp')
-rw-r--r--boost/geometry/algorithms/detail/is_simple/interface.hpp77
1 files changed, 69 insertions, 8 deletions
diff --git a/boost/geometry/algorithms/detail/is_simple/interface.hpp b/boost/geometry/algorithms/detail/is_simple/interface.hpp
index 6d425232b0..af0127dc75 100644
--- a/boost/geometry/algorithms/detail/is_simple/interface.hpp
+++ b/boost/geometry/algorithms/detail/is_simple/interface.hpp
@@ -1,8 +1,9 @@
// Boost.Geometry (aka GGL, Generic Geometry Library)
-// Copyright (c) 2014, Oracle and/or its affiliates.
+// Copyright (c) 2014-2017, Oracle and/or its affiliates.
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
+// 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
@@ -17,46 +18,106 @@
#include <boost/geometry/geometries/concepts/check.hpp>
#include <boost/geometry/algorithms/dispatch/is_simple.hpp>
+#include <boost/geometry/core/cs.hpp>
+#include <boost/geometry/strategies/default_strategy.hpp>
+#include <boost/geometry/strategies/intersection.hpp>
namespace boost { namespace geometry
{
+namespace resolve_strategy
+{
+
+struct is_simple
+{
+ template <typename Geometry, typename Strategy>
+ static inline bool apply(Geometry const& geometry,
+ Strategy const& strategy)
+ {
+ return dispatch::is_simple<Geometry>::apply(geometry, strategy);
+ }
+
+ template <typename Geometry>
+ static inline bool apply(Geometry const& geometry,
+ default_strategy)
+ {
+ // NOTE: Currently the strategy is only used for Linear geometries
+ typedef typename strategy::intersection::services::default_strategy
+ <
+ typename cs_tag<Geometry>::type
+ >::type strategy_type;
+
+ return dispatch::is_simple<Geometry>::apply(geometry, strategy_type());
+ }
+};
-namespace resolve_variant {
+} // namespace resolve_strategy
+
+namespace resolve_variant
+{
template <typename Geometry>
struct is_simple
{
- static inline bool apply(Geometry const& geometry)
+ template <typename Strategy>
+ static inline bool apply(Geometry const& geometry, Strategy const& strategy)
{
concepts::check<Geometry const>();
- return dispatch::is_simple<Geometry>::apply(geometry);
+
+ return resolve_strategy::is_simple::apply(geometry, strategy);
}
};
template <BOOST_VARIANT_ENUM_PARAMS(typename T)>
struct is_simple<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> >
{
+ template <typename Strategy>
struct visitor : boost::static_visitor<bool>
{
+ Strategy const& m_strategy;
+
+ visitor(Strategy const& strategy)
+ : m_strategy(strategy)
+ {}
+
template <typename Geometry>
bool operator()(Geometry const& geometry) const
{
- return is_simple<Geometry>::apply(geometry);
+ return is_simple<Geometry>::apply(geometry, m_strategy);
}
};
+ template <typename Strategy>
static inline bool
- apply(boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> const& geometry)
+ apply(boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> const& geometry,
+ Strategy const& strategy)
{
- return boost::apply_visitor(visitor(), geometry);
+ return boost::apply_visitor(visitor<Strategy>(strategy), geometry);
}
};
} // namespace resolve_variant
+/*!
+\brief \brief_check{is simple}
+\ingroup is_simple
+\tparam Geometry \tparam_geometry
+\tparam Strategy \tparam_strategy{Is_simple}
+\param geometry \param_geometry
+\param strategy \param_strategy{is_simple}
+\return \return_check{is simple}
+
+\qbk{distinguish,with strategy}
+\qbk{[include reference/algorithms/is_simple.qbk]}
+*/
+template <typename Geometry, typename Strategy>
+inline bool is_simple(Geometry const& geometry, Strategy const& strategy)
+{
+ return resolve_variant::is_simple<Geometry>::apply(geometry, strategy);
+}
+
/*!
\brief \brief_check{is simple}
@@ -70,7 +131,7 @@ struct is_simple<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> >
template <typename Geometry>
inline bool is_simple(Geometry const& geometry)
{
- return resolve_variant::is_simple<Geometry>::apply(geometry);
+ return resolve_variant::is_simple<Geometry>::apply(geometry, default_strategy());
}