test

加上彩色版的吧。 ```python #!/usr/bin/env python3 # -*- coding: utf-8 -*- ''' This is a tool used to convert a image to ASCII form! ''' import os import argparse from contextlib import closing from string import Template from PIL import Image, ImageEnhance # Correspondence defining. key = 'MNHQ$OC?7>!:-;. ' # Param parser defining. parser = argparse.ArgumentParser(description='Translate a image to ASCII form.') parser.add_argument('filename', help='Declare the file you want to translate.') parser.add_argument('newfile', nargs='?', default='new.html', help='Declare the new file name.') parser.add_argument('-c', '--color', action='store_false', dest='color', help='Choose the color mode, the output file may be large.') parser.add_argument('-s', '-scale', type=int, metavar='NUM', default=300, dest='scale', help='Give a integer to declare the size of the output file.') #Template defining. dot = '{}' temp = Template(''' test

$str

''') def translate(filename, newfile, scale): '''To translate a black-white file.''' with closing(Image.open(filename)) as im: im.thumbnail((scale, scale)) im = ImageEnhance.Sharpness(im).enhance(2) im = im.convert('L') width, height = im.size file_str = '' for x in range(height): for y in range(width): file_str += key[int(im.getpixel((y, x))*0.05859375)] file_str += '\n' with open(newfile, 'w') as f: f.write(temp.substitute(str=file_str)) def translate_color(filename, newfile, scale): '''To translate a colored file.''' with closing(Image.open(filename)) as im: im.thumbnail((scale, scale)) im = ImageEnhance.Color(im).enhance(2) im = ImageEnhance.Sharpness(im).enhance(2) width, height = im.size file_str = '' for x in range(height): for y in range(width): r, g, b, *other = im.getpixel((y, x)) L = int((r*0.299+g*0.587+b*0.114)*0.05859) file_str += dot.format(r, g, b, key[L]) file_str += '\n' with open(newfile, 'w') as f: f.write(temp.substitute(str=file_str)) # Drive the program. if __name__ == '__main__': args = vars(parser.parse_args()) if not args['color']: translate_color(args['filename'], args['newfile'], args['scale']) else: translate(args['filename'], args['newfile'], args['scale']) os.system('open -a Safari {}'.format(args['newfile'])) ```

“Python 实现图片转字符画”实验报告