对图像进行放大，平移，旋转3种操作，有三个参数可供选择，分别是放大系数，平移参数与旋转角度，编译后将DLL包中的dll文件放入Debug中-Enlarge the image, pan, rotate three kinds of operations, there are three parameters available, namely, amplification factor, translation and rotation parameters, compiled DLL in t