123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225 |
- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Copyright (c) 2018-2019 Oracle and/or its affiliates.
- // Contributed and/or modified by Vissarion Fisikopoulos, on behalf of Oracle
- // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
- // Use, modification and distribution is subject to the Boost Software License,
- // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- #ifndef BOOST_GEOMETRY_STRATEGIES_CARTESIAN_DISTANCE_SEGMENT_BOX_HPP
- #define BOOST_GEOMETRY_STRATEGIES_CARTESIAN_DISTANCE_SEGMENT_BOX_HPP
- #include <boost/geometry/algorithms/detail/distance/segment_to_box.hpp>
- #include <boost/geometry/strategies/cartesian/distance_projected_point.hpp>
- #include <boost/geometry/strategies/cartesian/distance_pythagoras.hpp>
- #include <boost/geometry/strategies/cartesian/distance_pythagoras_point_box.hpp>
- #include <boost/geometry/strategies/cartesian/point_in_point.hpp>
- #include <boost/geometry/strategies/cartesian/side_by_triangle.hpp>
- namespace boost { namespace geometry
- {
- namespace strategy { namespace distance
- {
- template
- <
- typename CalculationType = void,
- typename Strategy = pythagoras<CalculationType>
- >
- struct cartesian_segment_box
- {
- template <typename PointOfSegment, typename PointOfBox>
- struct calculation_type
- : promote_floating_point
- <
- typename strategy::distance::services::return_type
- <
- Strategy,
- PointOfSegment,
- PointOfBox
- >::type
- >
- {};
- typedef cartesian_tag cs_tag;
- // point-point strategy getters
- struct distance_pp_strategy
- {
- typedef Strategy type;
- };
- inline typename distance_pp_strategy::type get_distance_pp_strategy() const
- {
- return typename distance_pp_strategy::type();
- }
- // point-segment strategy getters
- struct distance_ps_strategy
- {
- typedef projected_point<CalculationType, Strategy> type;
- };
- inline typename distance_ps_strategy::type get_distance_ps_strategy() const
- {
- return typename distance_ps_strategy::type();
- }
- struct distance_pb_strategy
- {
- typedef pythagoras_point_box<CalculationType> type;
- };
- inline typename distance_pb_strategy::type get_distance_pb_strategy() const
- {
- return typename distance_pb_strategy::type();
- }
- typedef side::side_by_triangle<CalculationType> side_strategy_type;
- static inline side_strategy_type get_side_strategy()
- {
- return side_strategy_type();
- }
- typedef within::cartesian_point_point equals_point_point_strategy_type;
- static inline equals_point_point_strategy_type get_equals_point_point_strategy()
- {
- return equals_point_point_strategy_type();
- }
- template <typename LessEqual, typename ReturnType,
- typename SegmentPoint, typename BoxPoint>
- inline ReturnType segment_below_of_box(SegmentPoint const& p0,
- SegmentPoint const& p1,
- BoxPoint const&,
- BoxPoint const&,
- BoxPoint const&,
- BoxPoint const& bottom_right) const
- {
- return geometry::detail::distance::segment_to_box_2D
- <
- ReturnType,
- SegmentPoint,
- BoxPoint,
- cartesian_segment_box<CalculationType, Strategy>
- >::template call_above_of_box
- <
- typename LessEqual::other
- >(p1, p0, bottom_right, *this);
- }
- template <typename SPoint, typename BPoint>
- static void mirror(SPoint&,
- SPoint&,
- BPoint&,
- BPoint&,
- BPoint&,
- BPoint&)
- {}
- };
- #ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
- namespace services
- {
- template <typename CalculationType, typename Strategy>
- struct tag<cartesian_segment_box<CalculationType, Strategy> >
- {
- typedef strategy_tag_distance_segment_box type;
- };
- template <typename CalculationType, typename Strategy, typename PS, typename PB>
- struct return_type<cartesian_segment_box<CalculationType, Strategy>, PS, PB>
- : cartesian_segment_box<CalculationType, Strategy>::template calculation_type<PS, PB>
- {};
- template <typename CalculationType, typename Strategy>
- struct comparable_type<cartesian_segment_box<CalculationType, Strategy> >
- {
- // Define a cartesian_segment_box strategy with its underlying point-point
- // strategy being comparable
- typedef cartesian_segment_box
- <
- CalculationType,
- typename comparable_type<Strategy>::type
- > type;
- };
- template <typename CalculationType, typename Strategy>
- struct get_comparable<cartesian_segment_box<CalculationType, Strategy> >
- {
- typedef typename comparable_type
- <
- cartesian_segment_box<CalculationType, Strategy>
- >::type comparable_type;
- public :
- static inline comparable_type apply(cartesian_segment_box<CalculationType, Strategy> const& )
- {
- return comparable_type();
- }
- };
- template <typename CalculationType, typename Strategy, typename PS, typename PB>
- struct result_from_distance<cartesian_segment_box<CalculationType, Strategy>, PS, PB>
- {
- private :
- typedef typename return_type<
- cartesian_segment_box
- <
- CalculationType,
- Strategy
- >,
- PS,
- PB
- >::type return_type;
- public :
- template <typename T>
- static inline return_type apply(cartesian_segment_box<CalculationType,
- Strategy> const& ,
- T const& value)
- {
- Strategy s;
- return result_from_distance<Strategy, PS, PB>::apply(s, value);
- }
- };
- template <typename Segment, typename Box>
- struct default_strategy
- <
- segment_tag, box_tag, Segment, Box,
- cartesian_tag, cartesian_tag
- >
- {
- typedef cartesian_segment_box<> type;
- };
- template <typename Box, typename Segment>
- struct default_strategy
- <
- box_tag, segment_tag, Box, Segment,
- cartesian_tag, cartesian_tag
- >
- {
- typedef typename default_strategy
- <
- segment_tag, box_tag, Segment, Box,
- cartesian_tag, cartesian_tag
- >::type type;
- };
- }
- #endif
- }} // namespace strategy::distance
- }} // namespace boost::geometry
- #endif // BOOST_GEOMETRY_STRATEGIES_CARTESIAN_DISTANCE_SEGMENT_BOX_HPP
|