python 调整图片大小 脚本

import Image

infile = 'D:\original_img.jpg' outfile = 'D:\adjust_img.jpg' im = Image.open(infile) (x,y) = im.size #read image size x_s = 250 #define standard width y_s = y * x_s / x #calc height based on standard width out = im.resize((x_s,y_s),Image.ANTIALIAS) #resize image with high-quality out.save(outfile)

print 'original size: ',x,y print 'adjust size: ',x_s,y_s

''' OUTPUT: original size: 500 358 adjust size: 250 179 '''