本程序可绘制圆 椭圆 直线 贝塞尔曲线，完全按照课本中的算法所写-This procedure can be drawn round Bessel linear elliptic curve, in full accordance with the textbooks written by the algorithm

JAVA简单绘图工具，实现颜色实线虚线椭圆矩形直线曲线等功能-JAVA simple drawing tools to achieve color rectangular solid line dashed line curve elliptic function

ECC椭圆曲线算法源代码,Crypto++库的开发者是Wei Dai-ECC elliptic curve algorithm source code, Crypto++ library developers is Wei Dai