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  • 图片转字符画

    #!/usr/bin/env python
    # -*- coding:utf-8 -*-
    from PIL import Image
    import argparse

    #命令行输入参数处理
    parser = argparse.ArgumentParser()

    parser.add_argument('file') #输入文件
    parser.add_argument('-o', '--output') #输出文件
    parser.add_argument('--width', type = int, default = 80) #输出字符画宽
    parser.add_argument('--height', type = int, default = 80) #输出字符画高

    #获取参数
    args = parser.parse_args()

    IMG = args.file
    WIDTH = args.width
    HEIGHT = args.height
    OUTPUT = args.output

    ascii_char = list("$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/|()1{}[]?-_+~<>i!lI;:,"^`'. ")

    # 将256灰度映射到70个字符上
    def get_char(r,g,b,alpha = 256):
    if alpha == 0:
    return ' '
    length = len(ascii_char)
    gray = int(0.2126 * r + 0.7152 * g + 0.0722 * b)

    unit = (256.0 + 1.0)/length
    return ascii_char[int(gray/unit)]

    if __name__ == '__main__':

    im = Image.open(IMG)
    im = im.resize((WIDTH,HEIGHT), Image.NEAREST)

    txt = ""

    for i in range(HEIGHT):
    for j in range(WIDTH):
    txt += get_char(*im.getpixel((j,i)))

    txt += ' '

    print(txt)

    #字符画输出到文件
    if OUTPUT:
    with open(OUTPUT,'w') as f:
    f.write(txt)
    else:
    with open("output.txt",'w') as f:
    f.write(txt)
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  • 原文地址:https://www.cnblogs.com/zhangmeide/p/7592239.html
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