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box.hpp
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#ifndef OSMIUM_OSM_BOX_HPP
#define OSMIUM_OSM_BOX_HPP
/*
This file is part of Osmium (https://osmcode.org/libosmium).
Copyright 2013-2025 Jochen Topf <jochen@topf.org> and others (see README).
Boost Software License - Version 1.0 - August 17th, 2003
Permission is hereby granted, free of charge, to any person or organization
obtaining a copy of the software and accompanying documentation covered by
this license (the "Software") to use, reproduce, display, distribute,
execute, and transmit the Software, and to prepare derivative works of the
Software, and to permit third-parties to whom the Software is furnished to
do so, all subject to the following:
The copyright notices in the Software and this entire statement, including
the above license grant, this restriction and the following disclaimer,
must be included in all copies of the Software, in whole or in part, and
all derivative works of the Software, unless such copies or derivative
works are solely in the form of machine-executable object code generated by
a source language processor.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include <osmium/osm/location.hpp>
#include <cassert>
#include <iosfwd>
namespace osmium {
class Box {
osmium::Location m_bottom_left;
osmium::Location m_top_right;
public:
constexpr Box() noexcept = default;
Box(double minx, double miny, double maxx, double maxy) :
m_bottom_left(minx, miny),
m_top_right(maxx, maxy) {
assert(minx <= maxx && miny <= maxy);
}
Box(const osmium::Location& bottom_left, const osmium::Location& top_right) :
m_bottom_left(bottom_left),
m_top_right(top_right) {
assert(
(!!bottom_left && !!top_right) ||
(bottom_left.x() <= top_right.x() && bottom_left.y() <= top_right.y()));
}
Box& extend(const Location& location) noexcept {
if (location.valid()) {
if (m_bottom_left) {
if (location.x() < m_bottom_left.x()) {
m_bottom_left.set_x(location.x());
}
if (location.x() > m_top_right.x()) {
m_top_right.set_x(location.x());
}
if (location.y() < m_bottom_left.y()) {
m_bottom_left.set_y(location.y());
}
if (location.y() > m_top_right.y()) {
m_top_right.set_y(location.y());
}
} else {
m_bottom_left = location;
m_top_right = location;
}
}
return *this;
}
Box& extend(const Box& box) noexcept {
extend(box.bottom_left());
extend(box.top_right());
return *this;
}
explicit constexpr operator bool() const noexcept {
return static_cast<bool>(m_bottom_left) && static_cast<bool>(m_top_right);
}
constexpr bool valid() const noexcept {
return bottom_left().valid() && top_right().valid();
}
constexpr Location bottom_left() const noexcept {
return m_bottom_left;
}
Location& bottom_left() noexcept {
return m_bottom_left;
}
constexpr Location top_right() const noexcept {
return m_top_right;
}
Location& top_right() noexcept {
return m_top_right;
}
double left() const noexcept {
assert(valid());
return m_bottom_left.lon_without_check();
}
double right() const noexcept {
assert(valid());
return m_top_right.lon_without_check();
}
double top() const noexcept {
assert(valid());
return m_top_right.lat_without_check();
}
double bottom() const noexcept {
assert(valid());
return m_bottom_left.lat_without_check();
}
bool contains(const osmium::Location& location) const noexcept {
assert(bottom_left());
assert(top_right());
assert(location);
return location.x() >= bottom_left().x() && location.y() >= bottom_left().y() &&
location.x() <= top_right().x() && location.y() <= top_right().y();
}
double size() const {
return (m_top_right.lon() - m_bottom_left.lon()) *
(m_top_right.lat() - m_bottom_left.lat());
}
}; // class Box
constexpr bool operator==(const Box& lhs, const Box& rhs) noexcept {
return lhs.bottom_left() == rhs.bottom_left() &&
lhs.top_right() == rhs.top_right();
}
template <typename TChar, typename TTraits>
inline std::basic_ostream<TChar, TTraits>& operator<<(std::basic_ostream<TChar, TTraits>& out, const osmium::Box& box) {
if (box) {
out << '(';
box.bottom_left().as_string_without_check(std::ostream_iterator<char>(out));
out << ',';
box.top_right().as_string_without_check(std::ostream_iterator<char>(out));
out << ')';
} else {
out << "(undefined)";
}
return out;
}
} // namespace osmium
#endif // OSMIUM_OSM_BOX_HPP
osmium::Location
Definition location.hpp:271
osmium::Location::lon_without_check
double lon_without_check() const noexcept
Definition location.hpp:410
osmium::Location::lon
double lon() const
Definition location.hpp:400
osmium::Location::set_y
Location & set_y(const int32_t y) noexcept
Definition location.hpp:390
osmium::Location::set_x
Location & set_x(const int32_t x) noexcept
Definition location.hpp:385
osmium::Location::x
constexpr int32_t x() const noexcept
Definition location.hpp:377
osmium::Location::valid
constexpr bool valid() const noexcept
Definition location.hpp:352
osmium::Location::lat_without_check
double lat_without_check() const noexcept
Definition location.hpp:429
osmium::Location::lat
double lat() const
Definition location.hpp:419
osmium::Location::y
constexpr int32_t y() const noexcept
Definition location.hpp:381
location.hpp
osmium::geom::contains
bool contains(const osmium::Box &lhs, const osmium::Box &rhs) noexcept
Definition relations.hpp:46
osmium
Namespace for everything in the Osmium library.
Definition assembler.hpp:53
osmium::operator==
bool operator==(const Changeset &lhs, const Changeset &rhs)
Definition changeset.hpp:440
osmium::diff_indicator_type::right
@ right
osmium::diff_indicator_type::left
@ left
osmium::operator<<
std::basic_ostream< TChar, TTraits > & operator<<(std::basic_ostream< TChar, TTraits > &out, const item_type item_type)
Definition item_type.hpp:187