python实现图片变亮或者变暗的方法

本文实例讲述了python实现图片变亮或者变暗的方法。分享给大家供大家参考。具体实现方法如下: import Image # open an image file (.jpg or.png) you have in the working folder im1 = Image.open("angelababy.jpg") # multiply each pixel by 0.9 (makes the image darker) # works best with .jpg and .png files, darker < 1.0 < lighter # (.bmp