这个是计算机图形学中的一个重要的直线剪裁的演示程序，里面包括了源代码解析和源代码，还有一个封装好的可以执行文件，仅供教学参考使用。-this is the computer graphics a significant linear tailoring the demo program, includes a source code and source code analysis, a good package can be implemented, only teaching reference.
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