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#!/usr/bin/env python
# encoding: utf8
from __future__ import print_function
import os, sys
from argparse import ArgumentParser
from robofab.objects.objectsRF import OpenFont
from math import ceil, floor
dryRun = False
numNames = [
'zero','one','two','three','four','five','six','seven','eight','nine'
]
def main():
argparser = ArgumentParser(
description='Generate tabular number glyphs from regular number glyphs')
argparser.add_argument(
'-dry', dest='dryRun', action='store_const', const=True, default=False,
help='Do not modify anything, but instead just print what would happen.')
argparser.add_argument(
'fontPaths', metavar='<ufofile>', type=str, nargs='+', help='UFO fonts')
args = argparser.parse_args()
dryRun = args.dryRun
# Strip trailing slashes from font paths and iterate
for fontPath in [s.rstrip('/ ') for s in args.fontPaths]:
fontName = os.path.basename(fontPath)
font = OpenFont(fontPath)
# Find widest glyph
width = 0
for name in numNames:
g = font[name]
width = max(width, g.width)
print('[%s] tnums width:' % fontName, width)
# Create tnum glyphs
for name in numNames:
g = font[name]
tnum = font.newGlyph(name + '.tnum')
tnum.width = width
# calculate component x-offset
xoffs = 0
if g.width != width:
print('[%s] gen (adjust width)' % fontName, tnum.name)
# center shape, ignoring existing margins
# xMin, yMin, xMax, yMax = g.box
# graphicWidth = xMax - xMin
# leftMargin = round((width - graphicWidth) / 2)
# xoffs = leftMargin - g.leftMargin
# adjust margins
widthDelta = width - g.width
leftMargin = g.leftMargin + int(floor(widthDelta / 2))
rightMargin = g.rightMargin + int(ceil(widthDelta / 2))
xoffs = leftMargin - g.leftMargin
else:
print('[%s] gen (same width)' % fontName, tnum.name)
tnum.appendComponent(name, (xoffs, 0))
if dryRun:
print('[%s] save [dry run]' % fontName)
else:
print('[%s] save' % fontName)
font.save()
if __name__ == '__main__':
main()
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