将彩色图像或者灰度图片进行切割，然后把切割后的图片相加或者相减-The color image or gray images were cut, and then put the sum of the picture after cutting or subtraction

图片切割预览,可以加载本地照片，对照片进行放缩和移动，有预览功能-Cutting preview image, you can load local photos on the photo and zoom movement, there is a preview function