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
def subsetFonts(family,
writingSystem,
flavor=["ttf"],
familyNewName=" ",
jsonpath=" ",
keepFea=True):
print(familyNewName)
# if len(flavor) == 0:
flavor = ["ttf"]
latinProCodePageRange = [0, 1, 4, 7, 8]
cyrProCodePageRange = [2]
greekProCodePageRange = [3]
ASCII = [0, 1]
SecureSet = [0]
coreArabicCodePageRange = [0, 6]
unicodePageRangeDict = {
"Cyrillic": latinProCodePageRange,
"CyrillicPro": latinProCodePageRange,
"Greek": greekProCodePageRange,
"Latin": latinProCodePageRange,
"ASCII": ASCII,
"SecureSet": SecureSet,
"Core_Arabic": coreArabicCodePageRange
}
pageRangeToApply = []
subsetFolder = ""
for i in writingSystem:
subsetFolder += i
formats = ["ttf", "woff", "woff2"]
toKeep = list()
folder = getFolder(family)
folderFonts = os.path.join(folder, "fonts")
options = Options()
options.layout_features = '*' # keep all GSUB/GPOS features
# options.legacy_kern = True # keep kern table
options.glyph_names = False # keep post glyph names
options.legacy_cmap = True # keep non-Unicode cmaps
options.symbol_cmap = True # keep Symbol 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 # keep outline of .notdef
options.ignore_missing_glyphs = True
options.prune_unicode_ranges = True
keep = []
if family in pan_european_fonts:
jsonpath = "subsets/lgc_glyphset.json"
elif family in arabic_fonts:
jsonpath = "subsets/arabic_glyphset.json"
keep, pageRangeToApply = readJsonStoredSubset(jsonpath, writingSystem)
for i in flavor:
if not os.path.exists(os.path.join(folderFonts, i.upper())):
print(">> Make {} fonts.".format(family))
designSpace2Instances(family, i, secureSet=False)
for i in flavor:
fontspath = [os.path.join(folderFonts, i.upper(), font) \
for font in os.listdir(folder + "/fonts/" + i.upper())]
for f in fontspath:
if f.split(".")[-1] in formats:
newfont = TTFont(f)
for namerecord in newfont['name'].names:
namerecord.string = namerecord.toUnicode()
if namerecord.nameID == 2:
WeightName = namerecord.string
if namerecord.nameID == 17:
WeightName = "".join(namerecord.string.split(" "))
# print(family, WeightName)
subsetter = Subsetter(options=options)
subsetter.populate(glyphs=keep)
subsetter.subset(newfont)
destination = os.path.join(folder, "fonts",
subsetFolder + "_subset", "fonts")
if not os.path.exists(os.path.join(destination, i.upper())):
os.makedirs(os.path.join(destination, i.upper()))
subsetName = family + subsetFolder + "-" + WeightName + "." + i
newfont.save(os.path.join(destination, i.upper(), subsetName))
folder = family + "/fonts/" + subsetFolder + "_subset"
if familyNewName != " ":
renameFonts(folder, familyNewName, codePageRange=pageRangeToApply)
else:
familyNewName = family + subsetFolder
renameFonts(folder, familyNewName, codePageRange=pageRangeToApply)
shutil.rmtree(destination)
