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GPXSee/src/common/rectc.h

60 lines
1.7 KiB
C++

#ifndef RECTC_H
#define RECTC_H
#include <QDebug>
#include "coordinates.h"
class RectC
{
public:
RectC() {}
RectC(const Coordinates &topLeft, const Coordinates &bottomRight)
: _tl(topLeft), _br(bottomRight) {}
RectC(const Coordinates &center, double radius);
bool isNull() const
{return _tl.isNull() && _br.isNull();}
bool isValid() const
{return (_tl.isValid() && _br.isValid()
&& _tl.lat() != _br.lat() && _tl.lon() != _br.lon());}
Coordinates topLeft() const {return _tl;}
Coordinates bottomRight() const {return _br;}
Coordinates center() const
{return Coordinates((_tl.lon() + _br.lon()) / 2.0,
(_tl.lat() + _br.lat()) / 2.0);}
double top() const {return _tl.lat();}
double bottom() const {return _br.lat();}
double left() const {return _tl.lon();}
double right() const {return _br.lon();}
void setLeft(double val) {_tl.rlon() = val;}
void setRight(double val) {_br.rlon() = val;}
void setTop(double val) {_tl.rlat() = val;}
void setBottom(double val) {_br.rlat() = val;}
RectC operator|(const RectC &r) const;
RectC &operator|=(const RectC &r) {*this = *this | r; return *this;}
RectC operator&(const RectC &r) const;
RectC &operator&=(const RectC &r) {*this = *this & r; return *this;}
RectC united(const Coordinates &c) const;
bool intersects(const RectC &r) const
{return (right() >= r.left() && bottom() <= r.top() && left() <= r.right()
&& top() >= r.bottom());}
bool contains(const Coordinates&c) const
{return (c.lon() >= left() && c.lon() <= right() && c.lat() <= top()
&& c.lat() >= bottom());}
private:
Coordinates _tl, _br;
};
#ifndef QT_NO_DEBUG
QDebug operator<<(QDebug dbg, const RectC &rect);
#endif // QT_NO_DEBUG
#endif // RECTC_H