图像处理课件－4 图像得运算，包括：二维图像间得加，减，乘，除运算，逻辑与，或，非，异或运算-Image Processing Software -4 images in computing, including : two-dimensional images in between, plus or minus, multiplication and addition operations, logic and, or, not, XOR

本程序实现流行及其留下的轨迹的动画效果，用XOR写屏幕模式实现。-This procedure left the track to achieve its popular animation, to write screen mode with the XOR implementation.

从代码仓库中下载的最新的用于二维任意复杂多边形裁剪代码，该代码使用Bala Vatti的多边形裁剪算法，并做了多种扩展和改进，提供多个版本（Delphi Pascal C++ C# ）的源码和测试程序和简明的帮组文档，方便用户使用。 sandbox tags trunk-The Clipper Library is based on but significantly extends Bala Vatti s polygon clipping algorithm as describ