1．　　实现编码线段裁剪算法

1.1 段和裁剪窗口顶点坐标由鼠标输入

1.2 裁剪结果用红色绘制

1．　　实现编码线段裁剪算法

实验步骤

1．　　点画线段菜单，在客户区中按下鼠标左键，移动鼠标，鼠标左键弹起时画出线段

2．　　选取颜色

3．　　点裁剪菜单，在客户区中按下鼠标左键，移动鼠标，鼠标左键弹起时就可以得到裁剪到的线段用2中的颜色绘制出来

-1. Line Clipping achieve coding algorithm 1.1 of the window and cutting vertex coordinates input from the mouse 1.2 Cutting red Drawing Results 1. Line Clipping achieve coding algorithm steps an experiment. Dotted line menu, the customer zone press the left mouse button, move the mouse, the mouse button pop-up when he painted two segments. Three color selection. Point cutting menu, the customer zone press the left mouse button, move the mouse, when the mouse button pop-up can be cut to the line with two colors of mapping out