13 /////////////////////////////////////////////////////////////////////////////
14 QString qpointToString (const QPoint &p);
15 QString qpointFToString (const QPointF &p);
16 QString VectorToString (const Vector &p);
19 extern ostream &operator<< (ostream &stream, QPoint const &p);
20 extern ostream &operator<< (ostream &stream, QPointF const &p);
21 extern ostream &operator<< (ostream &stream, QRectF const &r);
22 extern ostream &operator<< (ostream &stream, Vector const &p);
23 qreal getAngle(const QPointF &);
24 qreal max (qreal,qreal);