是自己创作的对线段进行剪裁的小程序，对学习计算机图形学的同学会有点帮助，都是些基本的概念，但是力求简单化，模块化-created by ourselves on the line for tailoring small programs, to learn computer graphics students will be helpful, are basic concept, but sought to simplify, modular

计算机图形学--直线段的裁剪：利用编码裁剪法剪裁直线段.

图形学程序，包括画圆，直线，bezar曲线，填充，剪裁，透视投影等。-graphics procedures, including Circle, Line, bezar curve, filling, tailoring, such as perspective projection.

一个苹果系统下的绘图软件，开发环境是xcode 2.5，可以运行在mac10.0-10.5的系统下，有绘制曲线、直线、矩形、圆等图形，并且可以输入文字，进行区域剪裁等操作。-An apple systems mapping software, development environment are xcode 2.5, can run at mac10.0-10.5 of the system, has drawn curve, straight, rectangular, round, suc