基础图形学 DDA画线算法 中点画圆算法 边界标志算法 区域填充的扫描算法 LB裁剪算法 SH算法-DDA line drawing algorithm based graphics midpoint circle algorithm boundary markers regional filling algorithm scanning algorithm LB clipping algorithm SH algorithm

图形学作业 自己稍微改进了的LB裁剪算法-Graphics operations slightly improved their LB clipping algorithm