box.hpp
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#ifndef OSMIUM_OSM_BOX_HPP
#define OSMIUM_OSM_BOX_HPP
/*
This file is part of Osmium (http://osmcode.org/libosmium).
Copyright 2013-2016 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 <cassert>
#include <iosfwd>
#include <osmium/util/compatibility.hpp>
#include <osmium/osm/location.hpp>
namespace osmium {
class Box {
osmium::Location m_bottom_left;
osmium::Location m_top_right;
public:
constexpr Box() noexcept :
m_bottom_left(),
m_top_right() {
}
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(const Box&) = default;
Box(Box&&) = default;
Box& operator=(const Box&) = default;
Box& operator=(Box&&) = default;
~Box() = default;
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 bool(m_bottom_left) && 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;
}
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
inline 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().lon()
<< ','
<< box.bottom_left().lat()
<< ','
<< box.top_right().lon()
<< ','
<< box.top_right().lat()
<< ')';
} else {
out << "(undefined)";
}
return out;
}
} // namespace osmium
#endif // OSMIUM_OSM_BOX_HPP
osmium::Box::m_bottom_left
osmium::Location m_bottom_left
Definition: box.hpp:52
location.hpp
osmium::Box::top_right
Location & top_right() noexcept
Definition: box.hpp:185
osmium::Box::contains
bool contains(const osmium::Location &location) const noexcept
Definition: box.hpp:195
osmium::operator==
constexpr bool operator==(const Box &lhs, const Box &rhs) noexcept
Definition: box.hpp:222
osmium::Box::top_right
constexpr Location top_right() const noexcept
Definition: box.hpp:178
osmium::Box::extend
Box & extend(const Location &location) noexcept
Definition: box.hpp:110
osmium::Location::valid
constexpr bool valid() const noexcept
Definition: location.hpp:156
osmium::Box::operator=
Box & operator=(const Box &)=default
osmium::Location::lat
double lat() const
Definition: location.hpp:205
osmium
Namespace for everything in the Osmium library.
Definition: assembler.hpp:59
osmium::Box::extend
Box & extend(const Box &box) noexcept
Definition: box.hpp:140
osmium::Box::m_top_right
osmium::Location m_top_right
Definition: box.hpp:53
osmium::Box::valid
constexpr bool valid() const noexcept
Definition: box.hpp:157
osmium::Location::y
constexpr int32_t y() const noexcept
Definition: location.hpp:167
osmium::Box::bottom_left
Location & bottom_left() noexcept
Definition: box.hpp:171
osmium::Box::~Box
~Box()=default
osmium::Location::set_y
Location & set_y(const int32_t y) noexcept
Definition: location.hpp:176
osmium::Box::Box
Box(const osmium::Location &bottom_left, const osmium::Location &top_right)
Definition: box.hpp:86
osmium::Location
Definition: location.hpp:79
osmium::Box
Definition: box.hpp:50
osmium::Location::set_x
Location & set_x(const int32_t x) noexcept
Definition: location.hpp:171
osmium::Location::lon
double lon() const
Definition: location.hpp:186
osmium::Box::bottom_left
constexpr Location bottom_left() const noexcept
Definition: box.hpp:164
osmium::Box::Box
Box(double minx, double miny, double maxx, double maxy)
Definition: box.hpp:71
osmium::Location::x
constexpr int32_t x() const noexcept
Definition: location.hpp:163
osmium::Box::size
double size() const
Definition: box.hpp:211
osmium::Box::Box
constexpr Box() noexcept
Definition: box.hpp:61
compatibility.hpp