画Mandlbrot分形图并对任意选中的区域进行放大和画一条给定了控制点的Bezier曲线并可以任意移动控制点或者加入新的控制点后进行重画。-painting Mandlbrot fractals also arbitrarily selected regions to enlarge and given a painting of the control point The Bezier curve can be arbitrary and mobile control points, or