先上效果图:
代码:
from PIL import Image
import argparse
# 命令行输入参数处理
parser = argparse.ArgumentParser()
'''
file test.jpg
'''
# 输入文件, 输出文件, 输出字符画宽, 输出字符画高
parser.add_argument('file')
parser.add_argument('-o', '--output')
parser.add_argument('--width', type=int, default=150)
parser.add_argument('--height', type=int, default=75)
# 获取参数
args = parser.parse_args()
IMG = args.file
WIDTH = args.width
HEIGHT = args.height
OUTPUT = args.output
ascii_char = list(r"$@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)/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 += '\n'
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)
注:这四个参数可以根据自己需要调整:
parser.add_argument(‘file’)
parser.add_argument(‘-o’, ‘–output’)
parser.add_argument(‘–width’, type=int, default=150)
parser.add_argument(‘–height’, type=int, default=75)