python实现图片转字符画的完整代码

pip install pillow

#-*- coding:utf-8 -*- 
from PIL import Image 
 
IMG='D:\Code\python\\test1\\ascii_dora.png' 
 
WIDTH=60 
HEIGHT=45 
 
ascii_char = list("$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/\|()1{}[]"^`'. ") 
 
#将256灰度映射到70个字符上 
def get_char(r,g,b,alpha=256):#alpha透明度 
 if alpha==0: 
  return ' ' 
 length=len(ascii_char) 
 gray=int(0.2126*r+0.7152*g+0.0722*b)#计算灰度 
 unit=(256.0+1)/length 
 return ascii_char[int(gray/unit)]#不同的灰度对应着不同的字符 
 #通过灰度来区分色块 
 
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) 
 #写入文件
 with open("output.txt",'w') as f: 
  f.write(txt)