python实现对图片进行旋转,放缩,裁剪的功能

# -*-coding:utf-8-*-
from PIL import Image
def rotateimg(inputimg,outimg):
  im = Image.open(inputimg)
  # 图片的宽度和高度
  img_size = im.size
  print("图片宽度和高度分别是{}".format(img_size))
  # 旋转图片
  # 左旋转90度
  im = im.rotate(90)
  print("图片宽度和高度分别是{}".format(im.size))
  im.save(outimg)
if __name__ == "__main__":
  #
  inputpath = "D:/test/tmp/shuibiao/"
  outpath = "D:/test/tmp/img/"
  for i in range(1,24):
    tmpin = inputpath+str(i)+'.jpg'
    tmpout = outpath+str(i)+'.jpg'
    rotateimg(tmpin, tmpout)
    print('成功旋转第'+str(i)+'张图片')

# -*-coding:utf-8-*-
from PIL import Image
def resizeimg(inputimg,outimg):
  img1 = Image.open(inputimg)
  out=img1.resize((260, 180),Image.ANTIALIAS)
  print("图片宽度和高度分别是{}".format(out.size))
  out.save(outimg)
if __name__ == "__main__":
  #
  inputpath = "D:/test/tmp/img/"
  outpath = "D:/test/tmp/img_1/"
  for i in range(1, 24):
    tmpin = inputpath + str(i) + '.jpg'
    tmpout = outpath + str(i) + '.jpg'
    resizeimg(tmpin, tmpout)
    print('成功放缩第' + str(i) + '张图片')

# -*-coding:utf-8-*-
from PIL import Image
def cropimg(inputimg,outimg):
  im = Image.open(inputimg)
  # 图片的宽度和高度
  img_size = im.size
  print("图片宽度和高度分别是{}".format(img_size))
  '''
  裁剪：传入一个元组作为参数
  元组里的元素分别是：（距离图片左边界距离x， 距离图片上边界距离y，距离图片左边界距离+裁剪框宽度x+w，距离图片上边界距离+裁剪框高度y+h）
  '''
  # 截取图片中一块宽和高都是250的
  x = 0
  y = 60
  w = 260
  h = 60
  region = im.crop((x, y, x + w, y + h))
  region.save(outimg)

if __name__ == "__main__":
  inputpath = "D:/test/tmp/img_1/"
  outpath = "D:/test/tmp/img_2/"
  for i in range(1, 24):
    tmpin = inputpath + str(i) + '.jpg'
    tmpout = outpath + str(i) + '.jpg'
    cropimg(tmpin, tmpout)
    print('成功裁剪第' + str(i) + '张图片')