#!/usr/bin/env python
# coding=utf-8
#
# Copyright © 2011 Nick Bowler
#
# Generates new M+ fonts with the CJK characters enlarged, based on the IPAG
# versions.  This gives better proportions relative to DejaVu Sans Mono in
# rxvt-unicode.
#
# Run this script in a directory containing the M+ fonts.  The new fonts will
# be called M+1T+IPAG and M+2T+IPAG.
#
# License WTFPL2: Do What The Fuck You Want To Public License, version 2.
# This is free software: you are free to do what the fuck you want to.
# There is NO WARRANTY, to the extent permitted by law.

import fontforge as ff
import psMat
import re

families = [ "M+1M+IPAG", "M+2M+IPAG" ]
scripts  = [ "hani", "kana" ]

for family in families:
	font = ff.open(family + ".ttf")

	font.familyname = re.sub(r"(\d)M", r"\1T", font.familyname)
	font.fontname   = font.familyname + "-Regular"
	font.fullname   = font.familyname + " Regular"

	for glyph in font.selection.all().byGlyphs:
		for s in scripts:
			if (glyph.script == s):
				glyph.transform(psMat.scale(1.35))

	print "Generating " + font.familyname + ".ttf"
	font.generate(font.familyname + ".ttf")
	font.close()