Function toPoint

3rdparty/qcustomplot/qcustomplot.h:464–464

  double lengthSquared() const { return mX*mX+mY*mY; }
  double angle() const { return qAtan2(mY, mX); }
  QPoint toPoint() const { return QPoint(int(mX), int(mY)); }
  QPointF toPointF() const { return QPointF(mX, mY); }
  
  bool isNull() const { return qIsNull(mX) && qIsNull(mY); }