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from fontTools.ttLib import TTFont
import argparse
from vttmisc import tsi1, tsic
from pathlib import Path
import xml.etree.cElementTree as ET
import tempfile
if __name__ == '__main__':
parser = argparse.ArgumentParser(description="misc font work")
parser.add_argument(
"--fix-offset",
default=False,
action="store_true",
dest="offset",
help="Fix the offset of the VTT source based on old version of font",
)
parser.add_argument(
"--clear-svtca",
default=False,
action="store_true",
dest="svtca",
help="Remove all SVTCA[X] code from the VTT source",
)
parser.add_argument(
"--makeCVAR",
default=False,
action="store_true",
dest="makeCVAR",
help="Create CVAR table from TSIC",
)
parser.add_argument(
"-i",
type=str,
dest="inputPath",
help='path to input font',
default=None,
required=True,
)
parser.add_argument(
"-s",
type=str,
dest="vttPath",
help='path to old VTT source font',
)
parser.add_argument(
"-d",
type=str,
dest="output",
help='path for output',
)
args = parser.parse_args()
inputPath = Path(vars(args).get("inputPath"))
if vars(args).get("vttPath"):
vttPath = Path(vars(args).get("vttPath"))
else:
vttPath = None
# Fix offsets
if vars(args).get("offset") == True:
newFont = TTFont(inputPath)
vttSource = TTFont(vttPath)
if args.output:
output = vars(args).get("output")
else:
newName = str(inputPath.name)[:-4]+"-fixed.ttf"
output = inputPath.parent / newName
if vttPath is not None:
if "TSI1" in newFont and "TSI1" in vttSource:
if "post" not in vttSource or vttSource["post"].formatType == 3.0 or "post" not in newFont or newFont["post"].formatType == 3.0:
print ("*Warning* Input font / source font lack post table v3, not all components may be converted")
updatedFont = tsi1.fixOFFSET(newFont, vttSource)
updatedFont.save(output)
else:
print ("*FAIL* Input font / source font lack TSI1 table.")
else:
print ("*FAIL* Source font not found")
# Remove SVTCA
if vars(args).get("svtca") == True:
font = TTFont(inputPath)
if args.output:
output = vars(args).get("output")
else:
newName = str(inputPath.name)[:-4]+"-stripped.ttf"
output = inputPath.parent / newName
if "TSI1" in font:
tsi1.delete(font,output)
else:
print ("*Fail* Font lacking TSI1 table. ")
# makeCVAR
if vars(args).get("makeCVAR") == True and vars(args).get("vttPath") is not None:
font = TTFont(inputPath)
vttSource = TTFont(vttPath)
if "TSIC" in vttSource:
tree = ET.ElementTree()
TSICfile = tempfile.NamedTemporaryFile()
vttSource.saveXML(TSICfile.name, tables=["TSIC"])
tree = ET.parse(TSICfile.name)
tsic.makeCVAR(font, tree)
if args.output:
output = vars(args).get("output")
else:
newName = str(inputPath.name)[:-4]+"-cvar.ttf"
output = inputPath.parent / newName
font.save(output)
else:
print ("*FAIL* Source file missing TSIC table")
elif vars(args).get("makeCVAR") == True and vars(args).get("vttPath") == None:
print ("*FAIL* Source VTT file required.")
if vars(args).get("offset") == False and vars(args).get("svtca") == False and vars(args).get("makeCVAR") == False:
print ("No script selected.")
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