# -*- coding: utf-8 -*-

# author：baoshan

from PIL import Image, ImageFilter

codeLib = '''@#$%&?*aeoc=<{[(/l|!-_:;,."'^~` '''

count = len(codeLib)

print(count)

def trans_photo(image_file):

    # 将彩色图片转化为黑白的图片

    image_file = image_file.convert("L")

    codePic = ''

    # 循环图片的宽高，并得到每一像素的灰度值

    for h in range(0, image_file.size[1]):

        for w in range(0, image_file.size[0]):

            gray = image_file.getpixel((w, h))

            # 将对应的灰度值映射到字符

            codePic = codePic + codeLib[int(((count) * gray) / 256)]

        # 实现每行结尾处自动换行

        codePic = codePic + '\r\n'

    return codePic

def main():

    filename = '114x156.jpg'

    fp = open(filename, 'rb')

    image_file = Image.open(fp)

    image_file = image_file.resize((int(image_file.size[0] / 2), int(image_file.size[1] / 4)))

    tmp = open('w2.txt', 'w')

    tmp.write(trans_photo(image_file))

    tmp.close()

if __name__ == '__main__':

    main()