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#!/usr/bin/python
# vim: set shiftwidth=4 tabstop=8 autoindent expandtab:
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# For general fontforge documentation, see:
#   http://fontforge.sourceforge.net/
# For fontforge scripting documentation, see:
#   http://fontforge.sourceforge.net/scripting-tutorial.html
#   http://fontforge.sourceforge.net/scripting.html
# and most importantly:
#   http://fontforge.sourceforge.net/python.html

# To install what you need, on Ubuntu,
#   sudo apt-get install python-fontforge

import fontforge

# generate a set of fonts, each with our special glyph at one codepoint,
# and nothing else
for codepoint in range(ord("A"), ord("D") + 1):
    for (mark, width) in [("", 1500), ("2", 1800)]:
        charname = chr(codepoint)
        f = fontforge.font()
        n = "Mark" + mark + charname
        f.fontname = n
        f.familyname = n
        f.fullname = n
        f.copyright = "Copyright (c) 2008 Mozilla Corporation"

        g = f.createChar(codepoint, charname)
        g.importOutlines("mark" + mark + "-glyph.svg")
        g.width = width

        f.generate("mark" + mark + charname + ".ttf")
        f.generate("mark" + mark + charname + ".otf")


for codepoint in range(ord("A"), ord("A") + 1):
    for (mark, width) in [("", 1500), ("2", 1800)]:
        for (uposname, upos) in [("low", -350), ("high", -50)]:
            charname = chr(codepoint)
            f = fontforge.font()
            n = "Mark" + mark + charname
            f.fontname = n
            f.familyname = n
            f.fullname = n
            f.descent = 400
            f.upos = upos
            f.uwidth = 100
            f.copyright = "Copyright (c) 2008 Mozilla Corporation"
    
            g = f.createChar(codepoint, charname)
            g.importOutlines("mark" + mark + "-glyph.svg")
            g.width = width
    
            f.generate("mark" + mark + charname + "-" + uposname +
                       "underline.ttf")

# font with a ligature involving a space

f = fontforge.font()
n = "MarkAB-spaceliga"
f.fontname = n
f.familyname = n
f.fullname = n
f.copyright = "Copyright (c) 2008-2011 Mozilla Corporation"

g = f.createChar(ord(" "), "space")
g.width = 1000
for charname in ["A", "B"]:
    g = f.createChar(ord(charname), charname)
    g.importOutlines("mark-glyph.svg")
    g.width = 1500

f.addLookup("liga-table", "gsub_ligature", (), (("liga",(("latn",("dflt")),)),))
f.addLookupSubtable("liga-table", "liga-subtable")
g = f.createChar(-1, "spaceA")
g.glyphclass = "baseligature";
g.addPosSub("liga-subtable", ("space", "A"))
g.importOutlines("mark2-glyph.svg")
g.width = 1800

f.generate("markAB-spaceliga.otf")

# font with a known line-height (which is greater than winascent + windescent).

f = fontforge.font()
lineheight = 1500
n = "MarkA-lineheight" + str(lineheight)
f.fontname = n
f.familyname = n
f.fullname = n
f.copyright = "Copyright (c) 2008-2011 Mozilla Corporation"

g = f.createChar(ord(" "), "space")
g.width = 1000
g = f.createChar(ord("A"), "A")
g.importOutlines("mark-glyph.svg")
g.width = 1500

f.os2_typoascent_add = False
f.os2_typoascent = 800
f.os2_typodescent_add = False
f.os2_typodescent = -200
f.os2_use_typo_metrics = True
f.os2_typolinegap = lineheight - (f.os2_typoascent - f.os2_typodescent)
# glyph height is 800 (hhea ascender - descender)
f.hhea_linegap = lineheight - 800

f.generate("markA-lineheight" + str(lineheight) + ".ttf")

# Fonts with known winHeight and typoLineHeight such that winHeight is much
# larger than typoLineHeight.
f = fontforge.font()
typoLineHeight = 2700
winHeight = 6000
n = "MarkA-lineheight" + str(winHeight)
n = n + "-typolineheight" + str(typoLineHeight)
f.fontname = n
f.familyname = n
f.fullname = n
f.copyright = "Copyright (c) 2008-2015 Mozilla Corporation"

g = f.createChar(ord(" "), "space")
g.width = 1000
g = f.createChar(ord("A"), "A")
g.importOutlines("mark-glyph.svg")
g.width = 1500

f.os2_typoascent_add = False
f.os2_typoascent = 800
f.os2_typodescent_add = False
f.os2_typodescent = -200
f.os2_typolinegap = typoLineHeight - (f.os2_typoascent - f.os2_typodescent)

f.hhea_ascent = winHeight / 2
f.hhea_ascent_add = False
f.hhea_descent = winHeight / 2
f.hhea_descent_add = False
f.hhea_linegap = 0

f.os2_winascent = winHeight / 2
f.os2_winascent_add = False
f.os2_windescent = winHeight / 2
f.os2_windescent_add = False

f.os2_use_typo_metrics = True
f.generate("markA-lineheight" + str(winHeight) +
           "-typolineheight" + str(typoLineHeight) + ".otf")
f.generate("markA-lineheight" + str(winHeight) +
           "-typolineheight" + str(typoLineHeight) + ".ttf")