python实现旋转和水平翻转的方法

如下所示：

# coding=utf-8
import glob
import os

from PIL import Image


def rotate_270(imgae):
"""
将图片旋转270度
"""
# 读取图像
im = Image.open(imgae)
# im.show()
# 指定逆时针旋转的角度
im_rotate = im.rotate(270)
# im_rotate.show()
return im_rotate


def flip_horizontal(image):
"""
将图片水平翻转
"""
im = Image.open(image)
# im.show()
im_fh = im.transpose(Image.FLIP_LEFT_RIGHT)
# im_fh.show()
return im_fh


def createFile(path):
isExists = os.path.exists(path)
# 判断结果
if not isExists:
# 如果不存在则创建目录
# 创建目录操作函数
os.makedirs(path)
return True
else:
# 如果目录存在则不创建，并提示目录已存在
print('%s 目录已存在' % path)
return False


def main():
path = 'D:/VideoPhotos/hongshi/'
createFile('D:/VideoPhotos/hongshi_rotate')
createFile('D:/VideoPhotos/hongshi_flip_horizontal')

dirs = os.listdir(path)
for dir in dirs:
# print(dir)
createFile('D:/VideoPhotos/hongshi_rotate/' + dir)
createFile('D:/VideoPhotos/hongshi_flip_horizontal/' + dir)

images = glob.glob(path + dir + r"\*.jpg")
for image in images:
image_name = image[image.find("\\"):]
print(image_name)
rotate_270(image).save('D:/VideoPhotos/hongshi_rotate/' + dir +
image_name)
flip_horizontal(image).save(
'D:/VideoPhotos/hongshi_flip_horizontal/' + dir + image_name)


if __name__ == '__main__':
main()