foo.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import os
from PIL import Image, ImageDraw, ImageFont
import logging
L = logging.getLogger()

text = 'There is asdfasfd'
ascent = 76
descent = 18
font = ImageFont.truetype('../src/data/fonts/SEGOEUI.TTF', 70, encoding='unic')


im = Image.new('RGBA', (573, 54), '#000')
mask = Image.new('L', im.size, color=255)
mask_draw = ImageDraw.Draw(mask)
mask_draw.rectangle((0, 0, im.size[0], im.size[1]), fill=0)
im.putalpha(mask)

draw = ImageDraw.Draw(im)
top, left = 0, 0
h_diff = 54 - 54
if h_diff > 0 and h_diff > descent:
    ttop = (54 - 54) - descent
else:
    ttop = top
L.debug('Generating text mask @ %d x %d' % (573, 54))
draw.text((left, ttop), text,
        fill='#000')
left += 573

if os.environ.has_key('DEBUG'):
    print '-' * 80
    print 'S:%d H:%d A:%d D:%d %s' % (70, 54, ascent,
            descent, text)
    print '-' * 80
    lh = 54 - descent
    draw.line([(0, lh), (573, lh)], fill='red', width=1)
    from PIL import ImageOps
    im = ImageOps.expand(im, border=2, fill='red')

im.save('/tmp/output-text-%d.png' % len(text))