读取图片，对像素点任意操作，生成图片.如对像素点进行ARGB的分解，或者将ARGB恢复成像素值，对每个像素点进行修改转换等等。-Read the image, any operation on the pixels to generate the picture. If the pixel of ARGB decomposition or ARGB back into pixel values, modify the conversion, and so each pixel.