ascii-image.py

#-*-coding:utf-8-*-
from PIL import Image
import sys
import os

class BColor:
    HEADER = '\033[95m'
    OKBLUE = '\033[94m'
    OKGREEN = '\033[92m'
    WARNING = '\033[93m'
    FAIL = '\033[91m'
    ENDC = '\033[0m'
    BOLD = '\033[1m'
    UNDERLINE = '\033[4m'
	
def _main():
    try:
        pic = os.path.abspath(sys.argv[1])
    except:
        print('指定图片路径')
    img = Image.open(pic)
    width = int(img.size[0])
    height = int(img.size[1])
    gray_img = img.convert('L')
    scale = width // 100
    char_lst = '.:-=+*#%@'
    char_len = len(char_lst)
 
    arr = []
    for y in range(0, height, scale):
        for x in range(0, width,scale):
            brightness = 0
            r= g = b = 0
            count = 0
            for ix in range(scale):
                for iy in range(scale):
                    if(x + ix) == width or (y + iy) == height:
                        break;
                    count += 1
                    b = 255 - gray_img.getpixel((x + ix, y + iy))
                    brightness += b
            choice = int(char_len * (brightness // count / 255) ** 1.2)
            if choice >= char_len:
                choice = char_len
            sys.stdout.write(char_lst[choice])
        sys.stdout.write("\n")
        sys.stdout.flush()
  
if __name__ == '__main__':
    _main()