Draw Round Numbers (Circle) | Python 3 + PIL

draw_round_numbers.py

#!/usr/bin/env python3
from PIL import Image
from PIL import ImageDraw

FACTOR = 4 # Super sampling
H = 256 * FACTOR
HGAP = 16 * FACTOR
WLINE = 16 * FACTOR

numbers = (
r"/_\/-\ ", # 0
r"/    \ ", # 1
r" -\ -\-", # 2
r"/-  -\-", # 3
r"/  / \-", # 4
r"/- /- -", # 5
r"/_\/- -", # 6
r"/   -\ ", # 7
r"/_\/-\-", # 8
r"/_ /-\-", # 9
)

def draw_number(draw, x, segments):
    angle = 0
    for s in segments[:6]:
        if s != ' ':
            draw.arc((x, 0, x+(H-1), H-1), angle, angle + 60, 'black', width=WLINE)
        angle += 60
    if segments[6] != ' ':
        draw.line((x, H//2-1, x+(H-2), H//2-1), 'black', width=WLINE)

width = (H+HGAP)*10
height = H
img = Image.new('RGBA',(width, height))
draw = ImageDraw.Draw(img)

for i, n in enumerate(numbers):
    draw_number(draw, i * (H+HGAP), n)

img = img.resize((width//FACTOR, height//FACTOR), Image.LANCZOS)
img.show()