用Python将图片转为字符画

1

Gray = 0.2126 × R + 0.7152 × G + 0.0722 × B

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22

from PIL import Image
#设置显示的字符集
ascii_char = list("$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/\|()1{}[]?-_+~<>i!lI;:,\"^`'. ")    
WIDTH = 130
HEIGHT = 50
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 = (255.0 + 1)/length
return ascii_char[int(gray/unit)]
if __name__ == '__main__':
img = "E:/WindowsDocuments/G7/Desktop/1.png"
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)

1
2

    with open(OUTPUT, 'w') as f:
        f.write(txt)