python pillow库的基础使用教程

from PIL import Image
#显示图像
im = Image.open('background.jpg')
im.show()

# 转换图像90度
im.rotate(90).show()

from PIL import Image
import glob, os
size = 128, 128
for infile in glob.glob('D:\code\gitee\pydata\python3-example\pillow_demo\*.jpg'):
  print(infile)
  filename = os.path.split(infile)[-1]
  im = Image.open(infile)
  im.thumbnail(size, Image.ANTIALIAS)
  im.save("D:\code\gitee\pydata\python3-example\pillow_demo\\" + filename)

from PIL import Image
im = Image.new('RGB', (1920, 1080), (255, 0, 0))
im1 = Image.new('RGB', (1920, 1080), 'red')
im2 = Image.new('RGB', (1920, 1080), '#FF0000')
im2.show()

im = Image.open('background.jpg', 'r')
im.save('background.png')
im.show()
im_png = Image.open('background.png', 'r')
print(im_png.format)

from PIL import Image
from PIL import ImageChops
im1=Image.open('1.jpg')
im2=Image.open('2.jpg')

IC_image=ImageChops.lighter(im1,im2)
IC_image.show()

from PIL import ImageColor
IC_image=ImageColor.getrgb('red')
print(IC_image)

#
(255, 0, 0)