242 lines
6.7 KiB
C++
242 lines
6.7 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
|
|
|
|
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
|
|
// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
|
|
// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
|
|
|
|
// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
|
|
// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
|
|
|
|
// This file was modified by Oracle on 2018-2021.
|
|
// Modifications copyright (c) 2018-2021, Oracle and/or its affiliates.
|
|
|
|
// Contributed and/or modified by Vissarion Fysikopoulos, 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_ALGORITHMS_ASSIGN_VALUES_HPP
|
|
#define BOOST_GEOMETRY_ALGORITHMS_ASSIGN_VALUES_HPP
|
|
|
|
|
|
#include <cstddef>
|
|
#include <type_traits>
|
|
|
|
#include <boost/concept/requires.hpp>
|
|
#include <boost/concept_check.hpp>
|
|
#include <boost/numeric/conversion/bounds.hpp>
|
|
#include <boost/numeric/conversion/cast.hpp>
|
|
|
|
#include <boost/geometry/algorithms/append.hpp>
|
|
#include <boost/geometry/algorithms/clear.hpp>
|
|
#include <boost/geometry/core/access.hpp>
|
|
#include <boost/geometry/core/exterior_ring.hpp>
|
|
#include <boost/geometry/core/static_assert.hpp>
|
|
#include <boost/geometry/core/tags.hpp>
|
|
|
|
#include <boost/geometry/geometries/concepts/check.hpp>
|
|
|
|
#include <boost/geometry/util/algorithm.hpp>
|
|
#include <boost/geometry/util/is_inverse_spheroidal_coordinates.hpp>
|
|
|
|
|
|
namespace boost { namespace geometry
|
|
{
|
|
|
|
#ifndef DOXYGEN_NO_DETAIL
|
|
namespace detail { namespace assign
|
|
{
|
|
|
|
|
|
struct assign_zero_point
|
|
{
|
|
template <typename Point>
|
|
static inline void apply(Point& point)
|
|
{
|
|
typedef typename coordinate_type<Point>::type coordinate_type;
|
|
|
|
coordinate_type const zero = 0;
|
|
detail::for_each_dimension<Point>([&](auto dimension)
|
|
{
|
|
set<dimension>(point, zero);
|
|
});
|
|
}
|
|
};
|
|
|
|
|
|
struct assign_inverse_box_or_segment
|
|
{
|
|
|
|
template <typename BoxOrSegment>
|
|
static inline void apply(BoxOrSegment& geometry)
|
|
{
|
|
typedef typename coordinate_type<BoxOrSegment>::type coordinate_type;
|
|
|
|
coordinate_type const highest = geometry::bounds<coordinate_type>::highest();
|
|
coordinate_type const lowest = geometry::bounds<coordinate_type>::lowest();
|
|
detail::for_each_dimension<BoxOrSegment>([&](auto dimension)
|
|
{
|
|
set<0, dimension>(geometry, highest);
|
|
set<1, dimension>(geometry, lowest);
|
|
});
|
|
}
|
|
|
|
};
|
|
|
|
|
|
struct assign_zero_box_or_segment
|
|
{
|
|
template <typename BoxOrSegment>
|
|
static inline void apply(BoxOrSegment& geometry)
|
|
{
|
|
typedef typename coordinate_type<BoxOrSegment>::type coordinate_type;
|
|
|
|
coordinate_type const zero = 0;
|
|
detail::for_each_dimension<BoxOrSegment>([&](auto dimension)
|
|
{
|
|
set<0, dimension>(geometry, zero);
|
|
set<1, dimension>(geometry, zero);
|
|
});
|
|
}
|
|
};
|
|
|
|
|
|
template
|
|
<
|
|
std::size_t Corner1, std::size_t Corner2,
|
|
typename Box, typename Point
|
|
>
|
|
inline void assign_box_2d_corner(Box const& box, Point& point)
|
|
{
|
|
// Be sure both are 2-Dimensional
|
|
assert_dimension<Box, 2>();
|
|
assert_dimension<Point, 2>();
|
|
|
|
// Copy coordinates
|
|
typedef typename coordinate_type<Point>::type coordinate_type;
|
|
|
|
geometry::set<0>(point, boost::numeric_cast<coordinate_type>(get<Corner1, 0>(box)));
|
|
geometry::set<1>(point, boost::numeric_cast<coordinate_type>(get<Corner2, 1>(box)));
|
|
}
|
|
|
|
|
|
|
|
template <typename Geometry>
|
|
struct assign_2d_box_or_segment
|
|
{
|
|
typedef typename coordinate_type<Geometry>::type coordinate_type;
|
|
|
|
// Here we assign 4 coordinates to a box of segment
|
|
// -> Most logical is: x1,y1,x2,y2
|
|
// In case the user reverses x1/x2 or y1/y2, for a box, we could reverse them (THAT IS NOT IMPLEMENTED)
|
|
|
|
template <typename Type>
|
|
static inline void apply(Geometry& geometry,
|
|
Type const& x1, Type const& y1, Type const& x2, Type const& y2)
|
|
{
|
|
geometry::set<0, 0>(geometry, boost::numeric_cast<coordinate_type>(x1));
|
|
geometry::set<0, 1>(geometry, boost::numeric_cast<coordinate_type>(y1));
|
|
geometry::set<1, 0>(geometry, boost::numeric_cast<coordinate_type>(x2));
|
|
geometry::set<1, 1>(geometry, boost::numeric_cast<coordinate_type>(y2));
|
|
}
|
|
};
|
|
|
|
|
|
}} // namespace detail::assign
|
|
#endif // DOXYGEN_NO_DETAIL
|
|
|
|
#ifndef DOXYGEN_NO_DISPATCH
|
|
namespace dispatch
|
|
{
|
|
|
|
template <typename GeometryTag, typename Geometry, std::size_t DimensionCount>
|
|
struct assign
|
|
{
|
|
BOOST_GEOMETRY_STATIC_ASSERT_FALSE(
|
|
"Not or not yet implemented for this Geometry type.",
|
|
GeometryTag, Geometry, std::integral_constant<std::size_t, DimensionCount>);
|
|
};
|
|
|
|
template <typename Point>
|
|
struct assign<point_tag, Point, 2>
|
|
{
|
|
typedef typename coordinate_type<Point>::type coordinate_type;
|
|
|
|
template <typename T>
|
|
static inline void apply(Point& point, T const& c1, T const& c2)
|
|
{
|
|
set<0>(point, boost::numeric_cast<coordinate_type>(c1));
|
|
set<1>(point, boost::numeric_cast<coordinate_type>(c2));
|
|
}
|
|
};
|
|
|
|
template <typename Point>
|
|
struct assign<point_tag, Point, 3>
|
|
{
|
|
typedef typename coordinate_type<Point>::type coordinate_type;
|
|
|
|
template <typename T>
|
|
static inline void apply(Point& point, T const& c1, T const& c2, T const& c3)
|
|
{
|
|
set<0>(point, boost::numeric_cast<coordinate_type>(c1));
|
|
set<1>(point, boost::numeric_cast<coordinate_type>(c2));
|
|
set<2>(point, boost::numeric_cast<coordinate_type>(c3));
|
|
}
|
|
};
|
|
|
|
template <typename Box>
|
|
struct assign<box_tag, Box, 2>
|
|
: detail::assign::assign_2d_box_or_segment<Box>
|
|
{};
|
|
|
|
template <typename Segment>
|
|
struct assign<segment_tag, Segment, 2>
|
|
: detail::assign::assign_2d_box_or_segment<Segment>
|
|
{};
|
|
|
|
|
|
|
|
template <typename GeometryTag, typename Geometry>
|
|
struct assign_zero {};
|
|
|
|
|
|
template <typename Point>
|
|
struct assign_zero<point_tag, Point>
|
|
: detail::assign::assign_zero_point
|
|
{};
|
|
|
|
template <typename Box>
|
|
struct assign_zero<box_tag, Box>
|
|
: detail::assign::assign_zero_box_or_segment
|
|
{};
|
|
|
|
template <typename Segment>
|
|
struct assign_zero<segment_tag, Segment>
|
|
: detail::assign::assign_zero_box_or_segment
|
|
{};
|
|
|
|
|
|
template <typename GeometryTag, typename Geometry>
|
|
struct assign_inverse {};
|
|
|
|
template <typename Box>
|
|
struct assign_inverse<box_tag, Box>
|
|
: detail::assign::assign_inverse_box_or_segment
|
|
{};
|
|
|
|
template <typename Segment>
|
|
struct assign_inverse<segment_tag, Segment>
|
|
: detail::assign::assign_inverse_box_or_segment
|
|
{};
|
|
|
|
|
|
} // namespace dispatch
|
|
#endif // DOXYGEN_NO_DISPATCH
|
|
|
|
}} // namespace boost::geometry
|
|
|
|
|
|
#endif // BOOST_GEOMETRY_ALGORITHMS_ASSIGN_VALUES_HPP
|