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38 lines
790 B
C++
38 lines
790 B
C++
#ifndef POINT_H
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#define POINT_H
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#include <cmath>
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#include <QPointF>
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#include <QDebug>
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class PointD
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{
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public:
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PointD() : _x(NAN), _y(NAN) {}
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PointD(double x, double y) : _x(x), _y(y) {}
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PointD(const QPointF &p) : _x(p.x()), _y(p.y()) {}
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double x() const {return _x;}
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double y() const {return _y;}
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double &rx() {return _x;}
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double &ry() {return _y;}
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bool isNull() const {return std::isnan(_x) && std::isnan(_y);}
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bool isValid() const {return !(std::isnan(_x) || std::isnan(_y));}
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QPointF toPointF() const {return QPointF((qreal)_x, (qreal)_y);}
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private:
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double _x, _y;
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};
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#ifndef QT_NO_DEBUG
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inline QDebug operator<<(QDebug dbg, const PointD &p)
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{
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dbg.nospace() << "PointD(" << p.x() << ", " << p.y() << ")";
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return dbg.space();
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}
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#endif // QT_NO_DEBUG
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#endif // POINT_H
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