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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_STRATEGY_CARTESIAN_ENVELOPE_RANGE_HPP
#define BOOST_GEOMETRY_STRATEGY_CARTESIAN_ENVELOPE_RANGE_HPP
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
#include <boost/geometry/algorithms/detail/envelope/initialize.hpp>
#include <boost/geometry/strategy/cartesian/envelope_point.hpp>
#include <boost/geometry/strategy/cartesian/expand_point.hpp>
namespace boost { namespace geometry
{
namespace strategy { namespace envelope
{
class cartesian_range
{
public:
template <typename Range, typename Box>
static inline void apply(Range const& range, Box& mbr)
{
auto it = boost::begin(range);
auto const end = boost::end(range);
if (it == end)
{
// initialize box (assign inverse)
geometry::detail::envelope::initialize<Box>::apply(mbr);
return;
}
// initialize box with the first point
envelope::cartesian_point::apply(*it, mbr);
// consider now the remaining points in the range (if any)
for (++it; it != end; ++it)
{
expand::cartesian_point::apply(mbr, *it);
}
}
};
}} // namespace strategy::envelope
}} //namepsace boost::geometry
#endif // BOOST_GEOMETRY_STRATEGY_CARTESIAN_ENVELOPE_RANGE_HPP
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