Image to Ascii

img2ascii.py

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

CHARS = list("""MNHQ$OC?7>!:-;. """)
CHARS_N = len(CHARS)
WIDTH = 40
HEIGHT = 40
 

def rgb2char(r, g, b, alpha=256):
    if alpha == 0:
        return ' '
    gray = float(0.30 * r + 0.59 * g + 0.11 * b)
    index = int(round(gray / 256 * (CHARS_N - 1)))
    return CHARS[index]


def get_image(path):
    im = Image.open(path)
    im = im.resize((HEIGHT, WIDTH), Image.NEAREST)
    return im


def image2text(im):
    text = []
    for i in range(HEIGHT):
        for j in range(WIDTH):
            text.append(rgb2char(*im.getpixel((j, i))))
        text.append('\n')
    return ''.join(text)


def convert(path):
    image = get_image(path)
    print(image2text(image))


if __name__ == '__main__':
    convert('/Users/kxrr/Desktop/pinbot-logo.png')