Render font characters as PNGs

render.py

from PIL import Image
from PIL import ImageDraw
from PIL import ImageFont
from PIL import ImageEnhance

# pip install Pillow

def render(text, filename):
    width=128
    height=128
    opacity=0.8
    black = (0,0,0)
    white = (255,255,255)
    transparent = (0,0,0,0)

    font = ImageFont.truetype('octicons.ttf',height)
    wm = Image.new('RGBA',(width,height),transparent)

    draw = ImageDraw.Draw(wm)
    w,h = draw.textsize(text, font)
    draw.text((0,0),text,black,font)

    en = ImageEnhance.Brightness(wm)
    mask = en.enhance(1-opacity)
    im = Image.new('RGBA',(w,height),transparent) # Change this line too.
    im.paste(wm,(0,0),mask)

    im.save(filename)

render(u'\uf0ac', 'pull_request.png')
render(u'\uf020', 'branch.png')
render(u'\uf02b', 'comment.png')
render(u'\uf01f', 'commit.png')
render(u'\uf026', 'issue.png')
render(u'\uf00a', 'github.png')
render(u'\uf008', 'octoface.png')