中文说明：该源码针对图片可以进行任意地取点，并将点以坐标形式输出。在这个基础上，用户可以根据自己的需求随意增添代码来满足自己的要求。它对图片的要求不高，任意像素的图片在其中都可以进行运用，取点是图像处理中的很重要的一点，在运用这个代码后可以对图片进行很方便的操作
English Description：
The source for the picture can be any access point, and point to coordinate an output. On this basis, the user can according to their own needs feel free to add code to meet your requirements. Low requirements to the picture, any picture in which pixels can be used access point is a very important point in image processing, images using this code, you can very easy operation