remove venv
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import os
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import argparse
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import logging
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from fontTools.misc.cliTools import makeOutputFileName
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from fontTools.ttLib import TTFont
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from fontTools.pens.qu2cuPen import Qu2CuPen
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from fontTools.pens.ttGlyphPen import TTGlyphPen
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import fontTools
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logger = logging.getLogger("fontTools.qu2cu")
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def _font_to_cubic(input_path, output_path=None, **kwargs):
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font = TTFont(input_path)
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logger.info("Converting curves for %s", input_path)
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stats = {} if kwargs["dump_stats"] else None
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qu2cu_kwargs = {
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"stats": stats,
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"max_err": kwargs["max_err_em"] * font["head"].unitsPerEm,
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"all_cubic": kwargs["all_cubic"],
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}
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assert "gvar" not in font, "Cannot convert variable font"
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glyphSet = font.getGlyphSet()
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glyphOrder = font.getGlyphOrder()
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glyf = font["glyf"]
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for glyphName in glyphOrder:
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glyph = glyphSet[glyphName]
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ttpen = TTGlyphPen(glyphSet)
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pen = Qu2CuPen(ttpen, **qu2cu_kwargs)
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glyph.draw(pen)
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glyf[glyphName] = ttpen.glyph(dropImpliedOnCurves=True)
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font["head"].glyphDataFormat = 1
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if kwargs["dump_stats"]:
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logger.info("Stats: %s", stats)
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logger.info("Saving %s", output_path)
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font.save(output_path)
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def _main(args=None):
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"""Convert an OpenType font from quadratic to cubic curves"""
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parser = argparse.ArgumentParser(prog="qu2cu")
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parser.add_argument("--version", action="version", version=fontTools.__version__)
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parser.add_argument(
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"infiles",
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nargs="+",
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metavar="INPUT",
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help="one or more input TTF source file(s).",
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)
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parser.add_argument("-v", "--verbose", action="count", default=0)
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parser.add_argument(
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"-e",
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"--conversion-error",
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type=float,
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metavar="ERROR",
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default=0.001,
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help="maxiumum approximation error measured in EM (default: 0.001)",
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)
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parser.add_argument(
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"-c",
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"--all-cubic",
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default=False,
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action="store_true",
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help="whether to only use cubic curves",
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)
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output_parser = parser.add_mutually_exclusive_group()
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output_parser.add_argument(
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"-o",
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"--output-file",
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default=None,
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metavar="OUTPUT",
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help=("output filename for the converted TTF."),
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)
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output_parser.add_argument(
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"-d",
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"--output-dir",
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default=None,
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metavar="DIRECTORY",
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help="output directory where to save converted TTFs",
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)
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options = parser.parse_args(args)
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if not options.verbose:
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level = "WARNING"
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elif options.verbose == 1:
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level = "INFO"
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else:
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level = "DEBUG"
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logging.basicConfig(level=level)
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if len(options.infiles) > 1 and options.output_file:
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parser.error("-o/--output-file can't be used with multile inputs")
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if options.output_dir:
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output_dir = options.output_dir
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if not os.path.exists(output_dir):
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os.mkdir(output_dir)
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elif not os.path.isdir(output_dir):
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parser.error("'%s' is not a directory" % output_dir)
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output_paths = [
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os.path.join(output_dir, os.path.basename(p)) for p in options.infiles
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]
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elif options.output_file:
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output_paths = [options.output_file]
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else:
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output_paths = [
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makeOutputFileName(p, overWrite=True, suffix=".cubic")
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for p in options.infiles
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]
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kwargs = dict(
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dump_stats=options.verbose > 0,
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max_err_em=options.conversion_error,
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all_cubic=options.all_cubic,
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)
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for input_path, output_path in zip(options.infiles, output_paths):
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_font_to_cubic(input_path, output_path, **kwargs)
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