void scalePosition(C_FLOAT64 zoomFactor)
void scale(C_FLOAT64 zoomFactor)
C_FLOAT64 getArrowLength()
const CLPoint & getEnd() const
C_FLOAT64 getArrowWidth()
void scaleHeadSize(C_FLOAT64 zoomFactor)
void setLine(CLLineSegment l)
const CLPoint & getStart() const