src/graph.h

   1 #ifndef GRAPH_H
   2 #define GRAPH_H
   3
   4 #include <QVector>
   5 #include <QDebug>
   6 #include <cmath>
   7
   8 enum GraphType {Distance, Time};
   9
  10 class GraphPoint
  11 {
  12 public:
  13         GraphPoint(qreal s = NAN, qreal t = NAN, qreal y = NAN)
  14           : _s(s), _t(t), _y(y) {}
  15
  16         qreal s() const {return _s;}
  17         qreal t() const {return _t;}
  18         qreal y() const {return _y;}
  19         qreal x(GraphType type) const {return (type == Distance) ? _s : _t;}
  20
  21         void setS(qreal s) {_s = s;}
  22         void setT(qreal t) {_t = t;}
  23         void setY(qreal y) {_y = y;}
  24
  25 private:
  26         qreal _s;
  27         qreal _t;
  28         qreal _y;
  29 };
  30
  31 Q_DECLARE_TYPEINFO(GraphPoint, Q_PRIMITIVE_TYPE);
  32 QDebug operator<<(QDebug dbg, const GraphPoint &point);
  33
  34
  35 class Graph : public QVector<GraphPoint>
  36 {
  37 public:
  38         Graph() : QVector<GraphPoint>() {_time = true;}
  39         void append(const GraphPoint &p)
  40         {
  41                 if (std::isnan(p.t()))
  42                         _time = false;
  43                 QVector<GraphPoint>::append(p);
  44         }
  45
  46         bool hasTime() const {return _time;}
  47
  48 private:
  49         bool _time;
  50 };
  51
  52 #endif // GRAPH_H