# This is a fontforge python script; use fontforge -lang=py -script to run it
# coding=utf-8
# pylint: disable=import-error
"""
Python fontforge script to simplify a font. This only exists
because simplification doesn't work in squarize.py due to bugs
in fontforge.
Copyright (C) 2016-2025 The Gregorio Project (see CONTRIBUTORS.md)
This file is part of Gregorio.
Gregorio is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Gregorio is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Gregorio. If not, see <
http://www.gnu.org/licenses/>.
This script takes a font file, simplifies it and overwrites it.
Basic use :
fontforge -script simplify.py fontfile
"""
import sys
import getopt
import fontforge
def usage():
"Prints help message."
print("""
Python fontforge script to simplify a font.
Usage:
fontforge -script simplify.py fontfile
""")
def main():
"Main function."
try:
opts, args = getopt.gnu_getopt(sys.argv[1:], "h", ["help"])
except getopt.GetoptError:
# print help information and exit:
usage()
sys.exit(2)
outputfile = None
for opt, arg in opts:
if opt in ("-h", "--help"):
usage()
sys.exit()
if len(args) == 0:
usage()
sys.exit(2)
fontfile = args[0]
font = fontforge.open(fontfile)
font.selection.all()
font.simplify(0.1, ('mergelines','ignoreslopes','setstarttoextremum'))
font.generate(fontfile)
font.close()
if __name__ == "__main__":
main()
