计算机图形学 java描述画圆的三种算法-Computer graphics java describe the Circle of the three kinds of algorithms

用java编写的画线程序，是计算机图形学的内容-Prepared by drawing a line java program is the content of computer graphics

利用Bresenham画圆法、中点画圆法以及椭圆生成算法在java界面绘制(Using the Bresenham circle method, the middle point drawing circle method and the ellipse generation algorithm to draw the java interface)

采用Sutherland-Hodeman多边形裁剪算法和Cohen-Sutherland直线裁减算法在java界面实现(The implementation of the Sutherland-Hodeman polygon clipping algorithm and the Cohen-Sutherland line reduction algorithm in the java interface)