#ifndef RANGE_H #define RANGE_H #include #include class Range { public: Range() {_min = 0; _max = 0;} Range(int min, int max) {_min = min, _max = max;} int min() const {return _min;} int max() const {return _max;} int size() const {return (_max - _min);} bool isValid() const {return size() >= 0;} private: int _min, _max; }; class RangeF { public: RangeF() {_min = 0; _max = 0;} RangeF(qreal min, qreal max) {_min = min, _max = max;} qreal min() const {return _min;} qreal max() const {return _max;} qreal size() const {return (_max - _min);} bool isValid() const {return size() >= 0;} void resize(qreal size); private: qreal _min, _max; }; #ifndef QT_NO_DEBUG QDebug operator<<(QDebug dbg, const Range &range); QDebug operator<<(QDebug dbg, const RangeF &range); #endif // QT_NO_DEBUG #endif // RANGE_H