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#!/usr/bin/env python3
'''Uses the GlyphConstruction library to build composite glyphs.'''
__url__ = 'https://github.com/silnrsi/pysilfont'
__copyright__ = 'Copyright (c) 2018 SIL International (https://www.sil.org)'
__license__ = 'Released under the MIT License (https://opensource.org/licenses/MIT)'
__author__ = 'Victor Gaultney'
from silfont.core import execute
from glyphConstruction import ParseGlyphConstructionListFromString, GlyphConstructionBuilder
argspec = [
('ifont', {'help': 'Input font filename'}, {'type': 'infont'}),
('ofont',{'help': 'Output font file','nargs': '?' }, {'type': 'outfont'}),
('-i','--cdfile',{'help': 'Composite Definitions input file'}, {'type': 'infile', 'def': 'constructions.txt'}),
('-l','--log',{'help': 'Set log file name'}, {'type': 'outfile', 'def': '_gc.log'})]
def doit(args) :
font = args.ifont
logger = args.logger
constructions = ParseGlyphConstructionListFromString(args.cdfile)
for construction in constructions :
# Create a new constructed glyph object
try:
constructionGlyph = GlyphConstructionBuilder(construction, font)
except ValueError as e:
logger.log("Invalid CD line '" + construction + "' - " + str(e), "E")
else:
# Make a new glyph in target font with the new glyph name
glyph = font.newGlyph(constructionGlyph.name)
# Draw the constructed object onto the new glyph
# This is rather odd in how it works
constructionGlyph.draw(glyph.getPen())
# Copy glyph metadata from constructed object
glyph.name = constructionGlyph.name
glyph.unicode = constructionGlyph.unicode
glyph.note = constructionGlyph.note
#glyph.markColor = constructionGlyph.mark
glyph.width = constructionGlyph.width
return font
def cmd() : execute("FP",doit,argspec)
if __name__ == "__main__": cmd()
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