void DrawArc(Vector, double, double, double);
void DrawEllipse(Vector, double, double);
void DrawHandle(Vector);
+ void DrawArrowHandle(Vector, double);
+ void DrawArrowToLineHandle(Vector, double);
void DrawLine(int, int, int, int);
void DrawLine(Vector, Vector);
void DrawPoint(int, int);
void DrawRect(QRectF);
void DrawText(QRectF, int, QString);
void DrawArrowhead(Vector, Vector, double);
+ void DrawCrosshair(Vector);
+ void DrawInformativeText(QString);
public:
static Vector CartesianToQtCoords(Vector);