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#!/usr/bin/python
# coding: utf-8
#
# Copyright (c) 2013-2016 Adobe Systems Incorporated. All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import sys, os, itertools
class UFOkernReader(object):
def __init__(self, font, includeZero=False):
self.f = font
self.group_group_pairs = {}
self.group_glyph_pairs = {}
self.glyph_group_pairs = {}
self.glyph_glyph_pairs = {}
self.allKerningPairs = self.makePairDicts(includeZero)
self.output = self.makeOutput(self.allKerningPairs)
self.totalKerning = sum(self.allKerningPairs.values())
self.absoluteKerning = sum([abs(value) for value in self.allKerningPairs.values()])
def makeOutput(self, kerningDict):
output = []
for (left, right), value in kerningDict.items():
output.append('/%s /%s %s' % (left, right, value))
output.sort()
return output
def allCombinations(self, left, right):
leftGlyphs = self.f.groups.get(left, [left])
rightGlyphs = self.f.groups.get(right, [right])
combinations = list(itertools.product(leftGlyphs, rightGlyphs))
return combinations
def makePairDicts(self, includeZero):
kerningPairs = {}
for (left, right), value in self.f.kerning.items():
if '@' in left and '@' in right:
# group-to-group-pair
for combo in self.allCombinations(left, right):
self.group_group_pairs[combo] = value
elif '@' in left and '@' not in right:
# group-to-glyph-pair
for combo in self.allCombinations(left, right):
self.group_glyph_pairs[combo] = value
elif '@' not in left and '@' in right:
# glyph-to-group-pair
for combo in self.allCombinations(left, right):
self.glyph_group_pairs[combo] = value
else:
# glyph-to-glyph-pair a.k.a. single pair
self.glyph_glyph_pairs[(left, right)] = value
# The updates occur from the most general pairs to the most specific.
# This means that any given class kerning values are overwritten with
# the intended exceptions.
kerningPairs.update(self.group_group_pairs)
kerningPairs.update(self.group_glyph_pairs)
kerningPairs.update(self.glyph_group_pairs)
kerningPairs.update(self.glyph_glyph_pairs)
if includeZero is False:
# delete any kerning values == 0.
# This cannot be done in the previous loop, since exceptions
# might set a previously established kerning pair to be 0.
cleanKerningPairs = dict(kerningPairs)
for pair in kerningPairs:
if kerningPairs[pair] == 0:
del cleanKerningPairs[pair]
return cleanKerningPairs
else:
return kerningPairs
def run(font):
ukr = UFOkernReader(font, includeZero=True)
print('\n'.join(sorted(ukr.output)))
# scrap = os.popen('pbcopy', 'w')
# output = '\n'.join(ukr.output)
# scrap.write(output)
# scrap.close()
if inRF:
pass
# print('Total length of kerning:', ukr.totalKerning)
# if inCL:
# print('\n'.join(ukr.output), '\n')
# print('Total amount of kerning pairs:', len(ukr.output))
# print('List of kerning pairs copied to clipboard.')
if __name__ == '__main__':
inRF = False
inCL = False
try:
import mojo
inRF = True
f = CurrentFont()
if f:
run(f)
else:
print(u'You need to open a font first. \U0001F625')
except ImportError:
try:
import defcon
inCL = True
path = os.path.normpath(sys.argv[-1])
if os.path.splitext(path)[-1] in ['.ufo', '.UFO']:
f = defcon.Font(path)
run(f)
else:
print('No UFO file given.')
except ImportError:
print(u'You don’t have Defcon installed. \U0001F625')
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