PIL库之图片处理

1 from PIL import Image
2 im = Image.open("C:\Users\litchi\Desktop\picture1.jpg")
3 im.thumbnail((128, 128))
4 im.save("pictureTN","JPEG")

1 from PIL import Image
2 im = Image.open("C:\Users\litchi\Desktop\picture1.jpg")
3 r, g, b = im.split()
4 om = Image.merge("RGB", (b, g, r))
5 om.save(‘picture1BGR.jpg‘)

1 from PIL import Image
2 from PIL import ImageFilter
3 im = Image.open("C:\Users\litchi\Desktop\picture1.jpg")
4 om = im.filter(ImageFilter.CONTOUR)
5 om.save(‘picture1Contour.jpg‘)

1 from PIL import Image
2 from PIL import ImageFilter
3 im = Image.open("C:\Users\litchi\Desktop\picture2.jpg")
4 om = im.filter(ImageFilter.EMBOSS)
5 om.save(‘picture2EMBOSS.jpg‘)

1 from PIL import Image
2 im = Image.open("C:\Users\litchi\Desktop\picture3.gif")
3 try:
4     im.save(‘picframe{:02d}.png‘.format(im.tell()))
5     while True:
6         im.seek(im.tell()+1)
7         im.save(‘picframe{:02d}.png‘.format(im.tell()))
8 except:
9     print("处理结束")

from PIL import Image
from PIL import ImageEnhance
im = Image.open("C:\Users\litchi\Desktop\picture2.jpg")
om = ImageEnhance.Sharpness(im)
om.enhance(20).save(‘picture2EnContrast.jpg‘)