python实现图片转文字图案

from PIL import Image import argparse parser=argparse.ArgumentParser(); #命令行解析器 执行模板 python image.py -f 1-1.jpg parser.add_argument('-f','--file') parser.add_argument('-o','--output',default='graphic.txt') parser.add_argument('-w','--width',type=int,default=int(400/4)) parser.add_argument('-he','--height',type=int,default=int(360/4)) args=parser.parse_args() IMG=args.file; WIDTH=args.width; HEIGHT=args.height; OUTPUT=args.output; ascii_char=list('$@B%8&WN#*oahkbdpwmZO0QLCJUYXzcvunxrjft/\|()1{}[]?-_+~<>i!;:,\"^`.'); 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); print(OUTPUT); txt=''; for i in range(HEIGHT): for j in range(WIDTH): txt+=get_char(*im.getpixel((j,i))) txt+='\n'; if(OUTPUT): with open(OUTPUT,'w') as f: f.write(txt); else: with open('sds','w') as f: f.write(txt);