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#!/usr/bin/env python
# encoding: utf8
from __future__ import print_function
import os, sys, plistlib
from collections import OrderedDict
from argparse import ArgumentParser
from defcon import Font
RIGHT = 1
LEFT = 2
def mapGroups(groups): # => { glyphname => set(groupname, ...), ... }
m = OrderedDict()
for groupname, glyphnames in groups.iteritems():
for glyphname in glyphnames:
m.setdefault(glyphname, set()).add(groupname)
return m
def fmtGlyphname(glyphname, glyph=None):
if glyph is not None and len(glyphname) == 1 and ord(glyphname[0]) == glyph.unicode:
# literal, e.g. "A"
return glyphname
else:
# named, e.g. "\Omega"
return '/' + glyphname + ' '
def printPairs(font, baseSide, baseSideGlyph, otherSideNames, args):
out = []
if args.formatAsUnicode:
base = '\\u%04X' % baseSideGlyph.unicode
for otherName in otherSideNames:
if otherName in font:
otherGlyph = font[otherName]
if otherGlyph.unicode is not None:
if baseSide == LEFT:
out.append('%s\\u%04X' % (base, otherGlyph.unicode))
else:
out.append('\\u%04X%s' % (otherGlyph.unicode, base))
else:
base = fmtGlyphname(baseSideGlyph.name, baseSideGlyph)
prefix_uc = ''
prefix_lc = ''
suffix_uc = ''
suffix_lc = ''
if args.noPrefixAutocase:
prefix_uc = args.prefix
prefix_lc = args.prefix
suffix_uc = args.suffix
suffix_lc = args.suffix
else:
if args.prefix and len(args.prefix) > 0:
s = unicode(args.prefix)
if s[0].isupper():
prefix_uc = args.prefix
prefix_lc = args.prefix.lower()
else:
prefix_uc = args.prefix.upper()
prefix_lc = args.prefix
if args.suffix and len(args.suffix) > 0:
s = unicode(args.suffix)
if s[0].isupper():
suffix_uc = args.suffix
suffix_lc = args.suffix.lower()
else:
suffix_uc = args.suffix.upper()
suffix_lc = args.suffix
for otherName in otherSideNames:
if otherName in font:
otherGlyph = None
if len(otherName) == 1:
otherGlyph = font[otherName]
prefix = prefix_lc
suffix = suffix_lc
if unicode(otherName[0]).isupper():
prefix = prefix_uc
suffix = suffix_uc
if baseSide == LEFT:
out.append('%s%s%s%s' % (
prefix, base, fmtGlyphname(otherName, otherGlyph), suffix
))
else:
out.append('%s%s%s%s' % (
prefix, fmtGlyphname(otherName, otherGlyph), base, suffix
))
print(' '.join(out))
def samplesForGlyphnameR(font, groups, groupmap, kerning, glyphname, args):
rightGlyph = font[glyphname]
includeAll = args.includeAllInGroup
leftnames = set()
_addLeftnames(groups, kerning, glyphname, leftnames, includeAll)
if glyphname in groupmap:
for groupname in groupmap[glyphname]:
if groupname.find('_RIGHT_') != -1:
_addLeftnames(groups, kerning, groupname, leftnames, includeAll)
leftnames = sorted(leftnames)
printPairs(font, RIGHT, rightGlyph, leftnames, args)
def _addLeftnames(groups, kerning, glyphname, leftnames, includeAll=True):
# kerning : { leftName => {rightName => kernVal} }
for leftname, kern in kerning.iteritems():
if glyphname in kern:
if leftname[0] == '@':
for leftname2 in groups[leftname]:
leftnames.add(leftname2)
if not includeAll:
# TODO: in this case, pick the one leftname that has the highest
# ranking in glyphorder
break
else:
leftnames.add(leftname)
def samplesForGlyphnameL(font, groups, groupmap, kerning, glyphname, args):
leftGlyph = font[glyphname]
includeAll = args.includeAllInGroup
rightnames = set()
_addRightnames(groups, kerning, glyphname, rightnames, includeAll)
if glyphname in groupmap:
for groupname in groupmap[glyphname]:
if groupname.find('_LEFT_') != -1 or groupname.find('_RIGHT_') == -1:
_addRightnames(groups, kerning, groupname, rightnames, includeAll)
rightnames = sorted(rightnames)
printPairs(font, LEFT, leftGlyph, rightnames, args)
def _addRightnames(groups, kerning, leftname, rightnames, includeAll=True):
if leftname in kerning:
for rightname in kerning[leftname]:
if rightname[0] == '@':
for rightname2 in groups[rightname]:
rightnames.add(rightname2)
if not includeAll:
# TODO: in this case, pick the one rightname that has the highest
# ranking in glyphorder
break
else:
rightnames.add(rightname)
def main():
argparser = ArgumentParser(
description='Generate kerning samples by providing the left-hand side glyph')
argparser.add_argument(
'-u', dest='formatAsUnicode', action='store_const', const=True, default=False,
help='Format output as unicode escape sequences instead of glyphnames. ' +
'E.g. "\\u2126" instead of "\\Omega"')
argparser.add_argument(
'-prefix', dest='prefix', metavar='<text>', type=str,
help='Text to append before each pair')
argparser.add_argument(
'-suffix', dest='suffix', metavar='<text>', type=str,
help='Text to append after each pair')
argparser.add_argument(
'-no-prefix-autocase', dest='noPrefixAutocase',
action='store_const', const=True, default=False,
help='Do not convert -prefix and -suffix to match case')
argparser.add_argument(
'-all-in-groups', dest='includeAllInGroup',
action='store_const', const=True, default=False,
help='Include all glyphs for groups rather than just the first glyph listed.')
argparser.add_argument(
'-left', dest='asLeft',
action='store_const', const=True, default=False,
help='Only include pairs where the glyphnames are on the left side.')
argparser.add_argument(
'-right', dest='asRight',
action='store_const', const=True, default=False,
help='Only include pairs where the glyphnames are on the right side.'+
' When neither -left or -right is provided, include all pairs.')
argparser.add_argument(
'fontPath', metavar='<ufofile>', type=str, help='UFO font source')
argparser.add_argument(
'glyphnames', metavar='<glyphname>', type=str, nargs='+',
help='Name of glyphs to generate samples for. '+
'You can also provide a Unicode code point using the syntax "U+XXXX"')
args = argparser.parse_args()
font = Font(args.fontPath)
groupsFilename = os.path.join(args.fontPath, 'groups.plist')
kerningFilename = os.path.join(args.fontPath, 'kerning.plist')
groups = plistlib.readPlist(groupsFilename) # { groupName => [glyphName] }
kerning = plistlib.readPlist(kerningFilename) # { leftName => {rightName => kernVal} }
groupmap = mapGroups(groups) # { glyphname => set(groupname, ...), ... }
if not args.asLeft and not args.asRight:
args.asLeft = True
args.asRight = True
# expand any unicode codepoints
glyphnames = []
for glyphname in args.glyphnames:
if len(glyphname) > 2 and glyphname[:2] == 'U+':
cp = int(glyphname[2:], 16)
ucmap = font.getCharacterMapping() # { 2126: ['Omega', ...], ...}
for glyphname2 in ucmap[cp]:
glyphnames.append(glyphname2)
else:
glyphnames.append(glyphname)
for glyphname in glyphnames:
if args.asLeft:
samplesForGlyphnameL(font, groups, groupmap, kerning, glyphname, args)
if args.asRight:
samplesForGlyphnameR(font, groups, groupmap, kerning, glyphname, args)
main()
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