+ virtual bool HitTest(Point);
+ virtual Vector * GetPointAt(Vector);
+ virtual void Enumerate(FILE *);
+ virtual Object * Copy(void);
+ virtual Vector GetPointAtParameter(double parameter);
+ virtual QRectF Extents(void);
+ virtual void Translate(Vector);
+ virtual void Rotate(Vector, double);
+ virtual void Scale(Vector, double);
+ virtual void Mirror(Point, Point);
+ virtual void Save(void);
+ virtual void Restore(void);
+ void SetDimensionOnLine(Dimension * d = 0);
+ Object * FindAttachedDimension(void);