/
utils.py
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/
utils.py
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# Copyright (C) 2016 Igalia S.L.
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import print_function
import fontforge
em = 1000
def create(aName):
print("Generating %s.otf..." % aName, end="")
# Create a new font.
font = fontforge.font()
font.encoding = "UnicodeFull"
font.fontname = aName
font.familyname = aName
font.fullname = aName
# License the font under OFL.
font.copyright = "Copyright (c) 2016 Igalia S.L."
with open('OFL.txt', 'r') as OFLFile:
lang = "English (US)"
font.sfnt_names = (
(lang, 'Copyright', OFLFile.read()),
(lang, 'License URL', 'http://scripts.sil.org/OFL'),
(lang, 'Family', aName),
(lang, 'SubFamily', 'Regular'),
(lang, 'Fullname', aName),
(lang, 'PostScriptName', aName)
)
# Create a space character.
g = font.createChar(ord(" "), "space")
g.width = em
return font
def drawRectangle(aGlyph, aWidth, aHeight):
aGlyph.width = aWidth
p = aGlyph.glyphPen()
p.moveTo(0, 0)
p.lineTo(0, aHeight)
p.lineTo(aWidth, aHeight)
p.lineTo(aWidth, 0)
p.closePath();
def save(aFont):
# Set ascent/descent metrics.
# aFont.os2_winascent, aFont.os2_windescent should be the maximum of
# ascent/descent for all glyphs. Does fontforge compute them automatically?
aFont.ascent = aFont.hhea_ascent = aFont.os2_typoascent = em
aFont.descent = aFont.hhea_descent = aFont.os2_typodescent = 0
aFont.hhea_ascent_add = aFont.hhea_descent_add = 0
aFont.os2_typoascent_add = aFont.os2_typodescent_add = 0
aFont.os2_winascent_add = aFont.os2_windescent_add = 0
aFont.os2_use_typo_metrics = True
# Generate the font.
aFont.generate("%s.otf" % aFont.fontname)
if aFont.validate() == 0:
print(" done.")
else:
print(" validation error!")
exit(1)
def generateParts(aFont):
size = em / 10
# Center
#
# X
# X
# XXXXOXXXX
# X
# X
#
g = aFont.createChar(-1, "center")
g.width = em
p = g.glyphPen()
p.moveTo(em/2 - size, 0)
p.lineTo(em / 2 - size, em/2 - size)
p.lineTo(0, em/2 - size)
p.lineTo(0, em/2 + size)
p.lineTo(em/2 - size, em/2 + size)
p.lineTo(em/2 - size, em)
p.lineTo(em/2 + size, em)
p.lineTo(em/2 + size, em/2 + size)
p.lineTo(em, em/2 + size)
p.lineTo(em, em/2 - size)
p.lineTo(em/2 + size, em/2 - size)
p.lineTo(em/2 + size, 0)
p.closePath();
# Left
#
# X
# X
# XXXXOXXXX
# X
# X
#
g = aFont.createChar(-1, "left")
g.width = em
p = g.glyphPen()
p.moveTo(0, 0)
p.lineTo(0, em)
p.lineTo(2 * size, em)
p.lineTo(2 * size, em/2 + size)
p.lineTo(em, em/2 + size)
p.lineTo(em, em/2 - size)
p.lineTo(2 * size, em/2 - size)
p.lineTo(2 * size, 0)
p.closePath();
# Right
#
# X
# X
# XXXXOXXXX
# X
# X
#
g = aFont.createChar(-1, "right")
g.width = em
p = g.glyphPen()
p.moveTo(em - 2 * size, 0)
p.lineTo(em - 2 * size, em/2 - size)
p.lineTo(0, em/2 - size)
p.lineTo(0, em/2 + size)
p.lineTo(em - 2 * size, em/2 + size)
p.lineTo(em - 2 * size, em)
p.lineTo(em, em)
p.lineTo(em, 0)
p.closePath();
# Top
#
# XXXXXXXXX
# X
# O
# X
# X
#
g = aFont.createChar(-1, "top")
g.width = em
p = g.glyphPen()
p.moveTo(em/2 - size, 0)
p.lineTo(em / 2 - size, em - 2 * size)
p.lineTo(0, em - 2 * size)
p.lineTo(0, em)
p.lineTo(em, em)
p.lineTo(em, em - 2 * size)
p.lineTo(em/2 + size, em - 2 * size)
p.lineTo(em/2 + size, 0)
p.closePath();
# Bottom
#
# X
# X
# O
# X
# XXXXXXXXX
#
g = aFont.createChar(-1, "bottom")
g.width = em
p = g.glyphPen()
p.moveTo(0, 0)
p.lineTo(0, 2 * size)
p.lineTo(em/2 - size, 2 * size)
p.lineTo(em/2 - size, em)
p.lineTo(em/2 + size, em)
p.lineTo(em/2 + size, 2 * size)
p.lineTo(em, 2 * size)
p.lineTo(em, 0)
p.closePath();
# Horizontal
#
#
#
# XXXXOXXXX
#
#
#
g = aFont.createChar(-1, "horizontal")
g.width = em
p = g.glyphPen()
p.moveTo(0, em/2 - size)
p.lineTo(0, em/2 + size)
p.lineTo(em, em/2 + size)
p.lineTo(em, em/2 - size)
p.closePath();
# Vertical
#
# X
# X
# O
# X
# X
#
g = aFont.createChar(-1, "vertical")
g.width = em
p = g.glyphPen()
p.moveTo(em/2 - size, 0)
p.lineTo(em/2 - size, em)
p.lineTo(em/2 + size, em)
p.lineTo(em/2 + size, 0)
p.closePath();