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#!/usr/bin/env python3
'''Creates deprecated versions of glyphs: takes the specified glyph and creates a
duplicate with an additional box surrounding it so that it becomes reversed,
and assigns a new unicode encoding to it.
Input is a csv with three fields: original,new,unicode'''
__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
argspec = [
('ifont', {'help': 'Input font filename'}, {'type': 'infont'}),
('ofont',{'help': 'Output font file','nargs': '?' }, {'type': 'outfont'}),
('-i','--input',{'help': 'Input csv file'}, {'type': 'incsv', 'def': 'todeprecate.csv'}),
('-l','--log',{'help': 'Set log file name'}, {'type': 'outfile', 'def': '_deprecated.log'})]
offset = 30
def doit(args) :
font = args.ifont
logger = args.logger
# Process csv list into a dictionary structure
args.input.numfields = 3
deps = {}
for line in args.input :
deps[line[0]] = {"newname": line[1], "newuni": line[2]}
# Iterate through dictionary (unsorted)
for source, target in deps.items() :
# Check if source glyph is in font
if source in font.keys() :
# Give warning if target is already in font, but overwrite anyway
targetname = target["newname"]
targetuni = int(target["newuni"], 16)
if targetname in font.keys() :
logger.log("Warning: " + targetname + " already in font and will be replaced")
# Make a copy of source into a new glyph object
sourceglyph = font[source]
newglyph = sourceglyph.copy()
# Draw box around it
xmin, ymin, xmax, ymax = sourceglyph.bounds
pen = newglyph.getPen()
pen.moveTo((xmax + offset, ymin - offset))
pen.lineTo((xmax + offset, ymax + offset))
pen.lineTo((xmin - offset, ymax + offset))
pen.lineTo((xmin - offset, ymin - offset))
pen.closePath()
# Set unicode
newglyph.unicodes = []
newglyph.unicode = targetuni
# Add the new glyph object to the font with name target
font.__setitem__(targetname,newglyph)
# Decompose glyph in case there may be components
# It seems you can't decompose a glyph has hasn't yet been added to a font
font[targetname].decompose()
# Correct path direction
font[targetname].correctDirection()
logger.log(source + " duplicated to " + targetname)
else :
logger.log("Warning: " + source + " not in font")
return font
def cmd() : execute("FP",doit,argspec)
if __name__ == "__main__": cmd()
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