def customSubsetting(self, font, text):
options = Options()
options.layout_features = "*" # keep all GSUB/GPOS features
options.glyph_names = False # keep post glyph names
options.legacy_cmap = True # keep non-Unicode cmaps
options.name_legacy = True # keep non-Unicode names
options.name_IDs = ["*"] # keep all nameIDs
options.name_languages = ["*"] # keep all name languages
options.notdef_outline = True
options.ignore_missing_glyphs = False
options.recommended_glyphs = True
options.prune_unicode_ranges = True
subsetter = Subsetter(options=options)
subsetter.populate(text=text, unicodes=[0, 13, 32])
subsetter.subset(font)
return font
def _subset(self, otf, fmt):
from fontTools.subset import Options, Subsetter
for name, subset in self.subsets.items():
logger.info(f"Creating {name}.{fmt.value} subset")
new = deepcopy(otf)
options = Options()
options.name_IDs = ["*"]
options.name_legacy = True
options.name_languages = ["*"]
options.recommended_glyphs = True
options.layout_features = ["*"]
options.notdef_outline = True
options.notdef_glyph = True
options.glyph_names = True
options.hinting = True
options.legacy_kern = True
options.symbol_cmap = True
options.layout_closure = False
options.prune_unicode_ranges = False
options.passthrough_tables = False
options.recalc_average_width = True
options.ignore_missing_glyphs = True
options.layout_scripts = subset["langsys"]
options.drop_tables.remove("DSIG")
options.no_subset_tables += ["DSIG"]
subsetter = Subsetter(options=options)
subsetter.populate(subset["glyphlist"])
with TemporaryLogLevel(logging.WARNING):
subsetter.subset(new)
new = self._optimize(new, name, fmt)
names = subset.get("names")
if names:
logger.info(
f"Adding name entries to {name}.{fmt.value} susbet")
self._setnames(new, names)
self._buildwoff(new, name, fmt)
self._save(new, name, fmt)
def subsetter(self, font, subset):
""" use the noto fonts glyphsnames
to subset fonts with premade subsettings
"""
options = Options()
options.layout_features = "*" # keep all GSUB/GPOS features
# options.no_layout_closure = True # TESTING
options.glyph_names = False # keep post glyph names
options.legacy_cmap = True # keep non-Unicode cmaps
options.name_legacy = True # keep non-Unicode names
options.name_IDs = ["*"] # keep all nameIDs
options.name_languages = ["*"] # keep all name languages
options.notdef_outline = False
options.ignore_missing_glyphs = True
options.prune_unicode_ranges = True
options.recommended_glyphs = True
subsetter = Subsetter(options=options)
subsetter.populate(glyphs=subset)
subsetter.subset(font)
return font
