该程序是一个图像处理的小程序，主要功能有几何变换：垂直镜像，水平镜像，缩放，旋转；亮度及对比度调节；图像增强；轮廓提取。-The image processing program is a small program, the main function with geometric transformations: vertical mirror, horizontal mirroring, scaling, rotation brightness and contrast adjustme