from PIL import Image
# 打开图片,注意路径
img = Image.open('pitbull.jpeg')
# 获得图片尺寸
weight, height = img.size
print('原图片尺寸：{}x{}'.format(weight, height))
# 进行缩放，缩放 50%
img.thumbnail((weight//2, height//2))
print('调整后的图片尺寸：{}x{}'.format(weight//2, height//2))
# 将缩放后的图片保存
img.save('thumbnail.jpg', 'jpeg')

from PIL import Image,ImageFilter
# 打开图片文件，注意路径
img = Image.open('pitbull.jpeg')
# 应用模糊滤镜
img2 = img.filter(ImageFilter.BLUR)
img2.save('blur.jpg', 'jpeg')

from PIL import Image, ImageDraw, ImageFont, ImageFilter
from random import randint
def random_char():
  '''
  生成随机的字母
  Returns:
    返回随机的字母
  '''
  return chr(randint(65, 90))
def random_color():
  '''
  生成随机颜色，每个颜色值在 64-255 之间
  Returns:
    返回随机的颜色，返回值的类型为 tuple.例如：(65, 98, 243)
  '''
  return (randint(64, 255), randint(64, 255), randint(64, 255),)
def random_color_2():
  '''
  生成随机颜色，每个颜色值在 32- 127 之间
  Returns:
    返回随机颜色，返回值类型为 tuple.例如（33, 87, 121)
  '''
  return (randint(32, 127), randint(32, 127), randint(32, 127),)
# 生成的图片比例
width = 60 * 4
height = 60
image = Image.new('RGB', (width, height), (255, 255, 255))
# 创建 Font 对象
font = ImageFont.truetype('YaHeiConsolas.ttf', 36)
# 创建 Draw 对象
draw = ImageDraw.Draw(image)
# 填充每个像素
for x in range(width):
  for y in range(height):
    draw.point((x, y), fill=random_color())
# 输出字母
for t in range(4):
  draw.text((60 * t + 10, 10), random_char(), font=font, fill=random_color_2())
# 对生成的字母进行模糊效果处理
image = image.filter(ImageFilter.BLUR)
image.save('code.jpg', 'jpeg')