python PILLOW

处理图片

http://pillow.readthedocs.io/en/latest/

 1 from PIL import Image
 2 #打开图片
 3 im = Image.open('python.jpg')
 4 #图片的尺寸
 5 w, h = im.size
 6 print('图像尺寸为%dx%d'%(w,h))
 7 
 8 pix = im.load()
 9 for x in range(w):
10      for y in range(h):
11         r = im.getpixel((x,y))[0]
12         g = im.getpixel((x,y))[1]
13         b = im.getpixel((x,y))[2]
14         print('(%d,%d)像素点的RGB值为R=%d,G=%d,B=%d'%(x, y, r, g, b))