def run(self, filename, pipedata):
if 'optimize' in pipedata and not pipedata['optimize']:
return
self.bakery.logging_raw('### Optimize TTF {}'.format(filename))
# copied from https://code.google.com/p/noto/source/browse/nototools/subset.py
from fontTools.subset import Options, Subsetter, load_font, save_font
options = Options()
options.layout_features = "*"
options.name_IDs = "*"
options.hinting = True
options.notdef_outline = True
font = load_font(op.join(self.builddir, filename), options)
subsetter = Subsetter(options=options)
subsetter.populate(glyphs=font.getGlyphOrder())
subsetter.subset(font)
save_font(font, op.join(self.builddir, filename + '.opt'), options)
newsize = op.getsize(op.join(self.builddir, filename + '.opt'))
origsize = op.getsize(op.join(self.builddir, filename))
# compare filesizes TODO print analysis of this :)
comment = "# look at the size savings of that subset process"
self.bakery.logging_cmd("ls -l '%s'* %s" % (filename, comment))
statusmessage = "{0}.opt: {1} bytes\n{0}: {2} bytes\n"
self.bakery.logging_raw(statusmessage.format(filename, newsize, origsize))
# move ttx files to src
shutil.move(op.join(self.builddir, filename + '.opt'),
op.join(self.builddir, filename),
log=self.bakery.logger)
def makeKit(font_path):
# put the result into a directory named file_name.kit
dest_dir = os.path.splitext(font_path)[0] + '.kit'
if os.path.isdir(dest_dir):
print 'FAILURE: dest %s already exists' % dest_dir
return False
os.makedirs(dest_dir)
print 'Making a kit for %s in %s' % (font_path, dest_dir)
# crack open the font
# equivalent pyftsubset /tmp/Lobster-Regular.ttf --unicodes='*' --obfuscate_names
options = subset.Options()
with contextlib.closing(subset.load_font(font_path, options)) as font:
unicodes = []
for t in font['cmap'].tables:
if t.isUnicode():
unicodes.extend(t.cmap.keys())
options.unicodes = unicodes
# mangle 'name' so the font can't be installed
options.obfuscate_names
# apply our subsetting, most notably trashing 'name'
subsetter = subset.Subsetter(options=options)
subsetter.populate()
# write [ot]tf, woff, and woff2 editions with 'name' mangled
font_name_noext = os.path.splitext(os.path.basename(font_path))[0]
font_ext = os.path.splitext(os.path.basename(font_path))[1]
for fmt in [font_ext, '.woff', '.woff2']:
dest_file = os.path.join(dest_dir, font_name_noext + fmt)
options.flavor = None
if fmt.startswith('.woff'):
options.flavor = fmt[1:]
print 'Writing %s' % dest_file
with open(dest_file, 'wb') as f:
subset.save_font(font, f, options)
# write a sample somewhat (no early Android, IE) bulletproof css
dest_file = os.path.join(dest_dir, 'bulletproof.css')
os2 = font['OS/2']
font_style = 'normal'
if os2.fsSelection & 1:
font_style = 'italic'
with open(dest_file, 'w') as f:
f.write("@font-face {\n")
f.write(" font-family: '%s';\n" % font_name_noext)
f.write(" font-style: %s;\n" % font_style)
f.write(" font-weight: %d;\n" % os2.usWeightClass)
f.write(" src:\n")
f.write(" url('./%s.woff2') format('woff2'),\n" % font_name_noext)
f.write(" url('./%s.woff') format('woff'),\n" % font_name_noext)
if font_ext == '.otf':
f.write(" url('./%s.otf') format('opentype')" % font_name_noext)
else:
f.write(" url('./%s.ttf') format('truetype')" % font_name_noext)
f.write(";\n")
f.write("}\n")
return True
def woffCreate(self, text=None, No='2'):
mergeTools = merge.Merger()
woffFile = "static/font/" + No + ".woff"
saveFilename = str(Path(self.cwd) / woffFile)
filename = [self.fontFile, saveFilename]
textLuck = []
baseUrl = 'https://www.font.cn/preview/getFont?font_id=303&format=ttf&vers=v1.0&words='
urlEnd = '&hex=1'
if text is None:
return
collectText = {t for t in text}
text = ''.join(collectText)
for t in text:
if t not in self.name:
hexT = str(hex(ord(t)))
textLuck.append(hexT[2:])
# print(len(textLuck))
if len(textLuck) != 0:
mergeUrl = ','.join(textLuck)
aimUrl = baseUrl + mergeUrl + urlEnd
fontDown = self.downloadWoff(aimUrl, saveFilename)
if fontDown != None:
mergeFont = mergeTools.merge(filename)
mergeFont.save(self.fontFile)
# 拆分合并后的字体文件成2.woff
options = subset.Options()
fontMerge = subset.load_font(self.fontFile, options)
subsetter = subset.Subsetter(options)
subsetter.populate(text=text)
subsetter.subset(fontMerge)
options.flavor = 'woff'
subset.save_font(fontMerge, saveFilename, options)
def get_glyphs_subset(fontfile, characters):
"""
Subset a TTF font
Reads the named fontfile and restricts the font to the characters.
Returns a serialization of the subset font as file-like object.
Parameters
----------
symbol : str
Path to the font file
characters : str
Continuous set of characters to include in subset
"""
options = subset.Options(glyph_names=True, recommended_glyphs=True)
# prevent subsetting FontForge Timestamp and other tables
options.drop_tables += ['FFTM', 'PfEd', 'BDF']
# if fontfile is a ttc, specify font number
if fontfile.endswith(".ttc"):
options.font_number = 0
with subset.load_font(fontfile, options) as font:
subsetter = subset.Subsetter(options=options)
subsetter.populate(text=characters)
subsetter.subset(font)
fh = BytesIO()
font.save(fh, reorderTables=False)
return fh
def execute_pyftsubset(self,
pipedata,
subsetname,
name,
glyphs="",
args=""):
from fontTools.subset import Subsetter, Options, load_font, save_font
target_file = '{0}.{1}'.format(
op.join(self.builddir, name)[:-4], subsetname)
options = Options()
cmd_options = ''
if pipedata.get('pyftsubset'):
cmd_options = pipedata['pyftsubset']
options.parse_opts(pipedata['pyftsubset'].split())
if pipedata.get('pyftsubset.%s' % subsetname):
cmd_options = pipedata['pyftsubset.%s' % subsetname]
options.parse_opts(pipedata['pyftsubset.%s' % subsetname].split())
font = load_font(op.join(self.builddir, name), options)
unicodes = re_range(
[int(g.replace('U+', ''), 16) for g in glyphs.split()])
self.bakery.logging_cmd('pyftsubset --unicodes="{0}" {2} {1}'.format(
unicodes, name, cmd_options))
subsetter = Subsetter(options=options)
subsetter.populate(
unicodes=[int(g.replace('U+', ''), 16) for g in glyphs.split()])
subsetter.subset(font)
self.bakery.logging_cmd('mv {0}.subset {1}'.format(name, target_file))
save_font(font, target_file, options)
def subset_font_cmap(srcname,
dstname,
exclude=None,
include=None,
bump_version=True):
opt = _DEFAULT_OPTIONS
font = subset.load_font(srcname, opt)
target_charset = set(font_data.get_cmap(font).keys())
if include is not None:
target_charset &= include
if exclude is not None:
target_charset -= exclude
subsetter = subset.Subsetter(options=opt)
subsetter.populate(unicodes=target_charset)
subsetter.subset(font)
if bump_version:
# assume version string has 'uh' if unhinted, else hinted.
revision, version_string = swat_license.get_bumped_version(font)
font['head'].fontRevision = revision
font_data.set_name_record(font, _VERSION_ID, version_string)
subset.save_font(font, dstname, opt)
def generate_subset(unicode_range, flavor, font_file, output_dir):
"""
Generate font subset.
You can do the same with the following command.
$ pyftsubset YOUR_FONT.otf \
--unicodes=U+943a-943b \
--layout-features='*' \
--flavor=woff \
--name-IDs='*' \
--output-file=style/font-subsets/YOUR_FONT-subset-1.woff
"""
args = ["--layout-features='*'", "--flavor=%s" % flavor]
options = Options()
options.parse_opts(args)
subsetter = Subsetter(options)
font = load_font(font_file, options)
subsetter.populate(unicodes=parse_unicodes(unicode_range))
subsetter.subset(font)
font_path = Path(font_file)
name = font_path.stem
unicode_range_hash = _get_unicode_range_hash(unicode_range)
outfile = "%s/%s/%s-subset-%s.%s" % (
output_dir,
FONT_DIR,
name,
unicode_range_hash,
flavor,
)
save_font(font, outfile, options)
font.close()
def execute_pyftsubset(self, pipedata, subsetname, name, glyphs="", args=""):
from fontTools.subset import Subsetter, Options, load_font, save_font
target_file = '{0}.{1}'.format(op.join(self.builddir, name)[:-4],
subsetname)
options = Options()
cmd_options = ''
if pipedata.get('pyftsubset'):
cmd_options = pipedata['pyftsubset']
options.parse_opts(pipedata['pyftsubset'].split())
if pipedata.get('pyftsubset.%s' % subsetname):
cmd_options = pipedata['pyftsubset.%s' % subsetname]
options.parse_opts(pipedata['pyftsubset.%s' % subsetname].split())
font = load_font(op.join(self.builddir, name), options)
unicodes = re_range([int(g.replace('U+', ''), 16) for g in glyphs.split()])
self.bakery.logging_cmd('pyftsubset --unicodes="{0}" {2} {1}'.format(unicodes, name,
cmd_options))
subsetter = Subsetter(options=options)
subsetter.populate(unicodes=[int(g.replace('U+', ''), 16) for g in glyphs.split()])
subsetter.subset(font)
self.bakery.logging_cmd('mv {0}.subset {1}'.format(name, target_file))
save_font(font, target_file, options)
def subset_otf_from_ufo(self, otf_path, ufo):
"""Subset a font using export flags set by glyphsLib."""
keep_glyphs = set(ufo.lib.get(GLYPHS_PREFIX + 'Keep Glyphs', []))
include = []
for old_name, new_name in zip(
ufo.lib[PUBLIC_PREFIX + 'glyphOrder'],
TTFont(otf_path).getGlyphOrder()):
glyph = ufo[old_name]
if ((keep_glyphs and old_name not in keep_glyphs) or
not glyph.lib.get(GLYPHS_PREFIX + 'Glyphs.Export', True)):
continue
include.append(new_name)
# copied from nototools.subset
opt = subset.Options()
opt.name_IDs = ['*']
opt.name_legacy = True
opt.name_languages = ['*']
opt.layout_features = ['*']
opt.notdef_outline = True
opt.recalc_bounds = True
opt.recalc_timestamp = True
opt.canonical_order = True
opt.glyph_names = True
font = subset.load_font(otf_path, opt, lazy=False)
subsetter = subset.Subsetter(options=opt)
subsetter.populate(glyphs=include)
subsetter.subset(font)
subset.save_font(font, otf_path, opt)
def subset_otf_from_ufo(self, otf_path, ufo):
"""Subset a font using export flags set by glyphsLib."""
keep_glyphs = set(ufo.lib.get(GLYPHS_PREFIX + 'Keep Glyphs', []))
include = []
for old_name, new_name in zip(
ufo.lib[PUBLIC_PREFIX + 'glyphOrder'],
TTFont(otf_path).getGlyphOrder()):
glyph = ufo[old_name]
if ((keep_glyphs and old_name not in keep_glyphs) or
not glyph.lib.get(GLYPHS_PREFIX + 'Glyphs.Export', True)):
continue
include.append(new_name)
# copied from nototools.subset
opt = subset.Options()
opt.name_IDs = ['*']
opt.name_legacy = True
opt.name_languages = ['*']
opt.layout_features = ['*']
opt.notdef_outline = True
opt.recalc_bounds = True
opt.recalc_timestamp = True
opt.canonical_order = True
opt.glyph_names = True
font = subset.load_font(otf_path, opt, lazy=False)
subsetter = subset.Subsetter(options=opt)
subsetter.populate(glyphs=include)
subsetter.subset(font)
subset.save_font(font, otf_path, opt)
def main(args):
"""Subset a font (useful for making small test fonts).
Args:
args: list, arguments the user typed.
"""
parser = argparse.ArgumentParser()
parser.add_argument('fontfile', help='Input font file')
parser.add_argument('--subset_postfix', default='',
help='Postfix to the subset extension')
parser.add_argument('--text', default='',
help='Text to include in the subset')
parser.add_argument('--unicodes', default='',
help='Comma separated list of Unicode codepoints (hex) '
'to include in the subset; eg, "e7,0xe8,U+00e9"')
parser.add_argument('--glyphs', default='',
help='Comma separated list of glyph IDs (decimal) to '
'include in the subset; eg, "1,27"')
parser.add_argument('--hinting', default=False, action='store_true',
help='Enable hinting if specified, no hinting if not '
'present')
cmd_args = parser.parse_args(args)
options = Options()
# Definitely want the .notdef glyph and outlines.
options.notdef_glyph = True
options.notdef_outline = True
# Get the item. to keep in the subset.
text = cmd_args.text
unicodes_str = cmd_args.unicodes.lower().replace('0x', '').replace('u+', '')
# TODO(bstell) replace this whole files by using the new subset.py code
unicodes_input = [c for c in unicodes_str.split(',') if c]
unicodes = []
for c in unicodes_input:
if '-' in c:
uni_range = c.split('-')
uni_range_expanded = range(int(uni_range[0], 16), int(uni_range[1], 16) + 1)
unicodes.extend(uni_range_expanded)
else:
unicodes.append(int(c, 16))
#unicodes = [int(c, 16) for c in unicodes_input_expanded]
glyphs = [int(c) for c in cmd_args.glyphs.split(',') if c]
fontfile = cmd_args.fontfile
options.hinting = cmd_args.hinting # False => no hinting
options.hinting = True # hint stripping for CFF is currently broken
dirname = os.path.dirname(fontfile)
basename = os.path.basename(fontfile)
filename, extension = os.path.splitext(basename)
subset_postfix = cmd_args.subset_postfix
output_file = dirname + '/' + filename + '_subset' + subset_postfix + extension
print "output_file =", output_file
font = load_font(fontfile, options, lazy=False)
subsetter = Subsetter(options)
subsetter.populate(text=text, unicodes=unicodes, glyphs=glyphs)
subsetter.subset(font)
save_font(font, output_file, options)
def subset_ttf_font(filepath: str) -> dict:
options = subset.Options()
font = subset.load_font(f'{filepath}.ttf', options)
options.flavor = 'woff'
subset.save_font(font, f'{filepath}.woff', options)
options.flavor = 'woff2'
subset.save_font(font, f'{filepath}.woff2', options)
return {'woff': f'{filepath}.woff', 'woff2': f'{filepath}.woff2'}
def __init__(self, fontfile, hinting, whitespace_list): self.fontfile = fontfile self.options = Options() self.options.hinting = hinting self.font = load_font(fontfile, self.options, lazy=False) # assert 'glyf' in self.font, 'only support TrueType (quadratic) fonts \ #(eg, not CFF) at this time' self.whitespace_list = whitespace_list
def subSetFont(ff, tt):
options = subset.Options() # dir(options)
font = subset.load_font(ff, options)
subsetter = subset.Subsetter(options)
subsetter.populate(text=tt)
subsetter.subset(font)
# options.flavor = 'woff'
subset.save_font(font, 'font.ttf', options)
modFont()
def subset_font(source_file,
target_file,
include=None,
exclude=None,
options=None):
"""Subsets a font file.
Subsets a font file based on a specified character set. If only include is
specified, only characters from that set would be included in the output
font. If only exclude is specified, all characters except those in that
set will be included. If neither is specified, the character set will
remain the same, but inaccessible glyphs will be removed.
Args:
source_file: Input file name.
target_file: Output file name
include: The list of characters to include from the source font.
exclude: The list of characters to exclude from the source font.
options: A dictionary listing which options should be different from the
default.
Raises:
NotImplementedError: Both include and exclude were specified.
"""
opt = subset.Options()
opt.name_IDs = ["*"]
opt.name_legacy = True
opt.name_languages = ["*"]
opt.layout_features = ["*"]
opt.notdef_outline = True
opt.recalc_bounds = True
opt.recalc_timestamp = True
opt.canonical_order = True
opt.drop_tables = ["+TTFA"]
if options is not None:
for name, value in options.items():
setattr(opt, name, value)
if include is not None:
if exclude is not None:
raise NotImplementedError(
"Subset cannot include and exclude a set at the same time.")
target_charset = include
else:
if exclude is None:
exclude = []
source_charset = coverage.character_set(source_file)
target_charset = source_charset - set(exclude)
font = subset.load_font(source_file, opt)
subsetter = subset.Subsetter(options=opt)
subsetter.populate(unicodes=target_charset)
subsetter.subset(font)
subset.save_font(font, target_file, opt)
def subset_otf_from_ufo(self, otf_path, ufo):
"""Subset a font using export flags set by glyphsLib.
There are two more settings that can change export behavior:
"Export Glyphs" and "Remove Glyphs", which are currently not supported
for complexity reasons. See
https://github.com/googlei18n/glyphsLib/issues/295.
"""
from fontTools import subset
# ufo2ft always inserts a ".notdef" glyph as the first glyph
ufo_order = makeOfficialGlyphOrder(ufo)
if ".notdef" not in ufo_order:
ufo_order.insert(0, ".notdef")
ot_order = TTFont(otf_path).getGlyphOrder()
assert ot_order[0] == ".notdef"
assert len(ufo_order) == len(ot_order)
for key in (KEEP_GLYPHS_NEW_KEY, KEEP_GLYPHS_OLD_KEY):
keep_glyphs_list = ufo.lib.get(key)
if keep_glyphs_list is not None:
keep_glyphs = set(keep_glyphs_list)
break
else:
keep_glyphs = None
include = []
for source_name, binary_name in zip(ufo_order, ot_order):
if keep_glyphs and source_name not in keep_glyphs:
continue
if source_name in ufo:
exported = ufo[source_name].lib.get(GLYPH_EXPORT_KEY, True)
if not exported:
continue
include.append(binary_name)
# copied from nototools.subset
opt = subset.Options()
opt.name_IDs = ['*']
opt.name_legacy = True
opt.name_languages = ['*']
opt.layout_features = ['*']
opt.notdef_outline = True
opt.recalc_bounds = True
opt.recalc_timestamp = True
opt.canonical_order = True
opt.glyph_names = True
font = subset.load_font(otf_path, opt, lazy=False)
subsetter = subset.Subsetter(options=opt)
subsetter.populate(glyphs=include)
subsetter.subset(font)
subset.save_font(font, otf_path, opt)
def __generateForWeight(self, weight: str, font: Font) -> None:
package = self.__core.package
base_dir = self.__core.directories.webfonts
output_dir = base_dir.joinpath(f"./{package.version}/{weight}")
font_path = self.__core.findFontfilePath(font)
output_dir.mkdir(parents=True, exist_ok=True)
metadata = self.__generateMetadata()
fake = Faker()
fake.seed(package.id)
subset_fontname: str = fake.name()
options = Options()
options.font_number = font.number
options.hinting = False
options.desubroutinize = True
options.drop_tables += [
'FFTM', 'PfEd', 'TeX', 'BDF', 'cvt', 'fpgm', 'prep', 'gasp',
'VORG', 'CBDT', 'CBLC', 'sbix'
]
for ignored in ['rvrn', 'locl']:
options.layout_features.remove(ignored)
for unicodes_file in FILE_DIR.UNICODE_TEXT.glob('./**/*.txt'):
idx = unicodes_file.stem
unicodes: List[str] = []
with open(unicodes_file, 'r') as unicode_read_io:
for line in unicode_read_io.readlines():
unicodes.extend(parse_unicodes(line.split('#')[0]))
with load_font(font_path, options) as ttfont:
subsetter = Subsetter(options=options)
subsetter.populate(unicodes=unicodes)
subsetter.subset(ttfont)
for record in ttfont['name'].names:
if record.nameID == NAME_ID.COPYRIGHT:
record.string = '\n'.join(package.copyrights)
elif record.nameID in FAMILY_RELATED_NAME_ID:
record.string = subset_fontname
woff_file = output_dir.joinpath(f"{idx}.woff")
with open(woff_file, 'wb') as woff_write_io:
options.flavor = 'woff'
ttfont.flavorData = WOFFFlavorData()
ttfont.flavorData.metaData = metadata
save_font(ttfont, woff_write_io, options)
woff2_file = output_dir.joinpath(f"{idx}.woff2")
with open(woff2_file, 'wb') as woff2_write_io:
options.flavor = 'woff2'
ttfont.flavorData = WOFF2FlavorData()
ttfont.flavorData.metaData = metadata
save_font(ttfont, woff2_write_io, options)
def __init__(self, fontfile, hinting, whitespace_and_ignorable_list):
self.fontfile = fontfile
self.options = Options()
self.options.hinting = hinting
# Want the .notdef glyph and outlines.
self.options.notdef_glyph = True
self.options.notdef_outline = True
self.options.desubroutinize = True
self.font = load_font(fontfile, self.options, lazy=False)
self.whitespace_and_ignorable_list = whitespace_and_ignorable_list
def __init__(self, fontfile, hinting, whitespace_and_ignorable_list): self.fontfile = fontfile self.options = Options() self.options.hinting = hinting # Want the .notdef glyph and outlines. self.options.notdef_glyph = True self.options.notdef_outline = True self.options.decompress = True self.font = load_font(fontfile, self.options, lazy=False) self.whitespace_and_ignorable_list = whitespace_and_ignorable_list
def subset(fontfile, outfile_basename, glyphs):
options = Options()
# Fonttools has this feature that if you enable 'dlig', it will also give
# you glyphs that you did not ask for, but if you do not enable 'dlig',
# then discretionary ligatures do not render properly.
# See https://github.com/behdad/fonttools/issues/43.
# As a workaround, only enable 'dlig' if there are glyphs for discretionary
# ligatures.
# TODO: This should be fixed, consider upgrading.
# https://github.com/fonttools/fonttools/commit/022536212be4cf022a2cb9a286fec8be1931d19b.
dligs = set(glyphs).intersection(['c_b', 'c_h', 'c_k', 'c_p', 'ct', 'g_i',
'q_u', 's_b', 's_h', 's_k', 's_p', 'st'])
if len(dligs) > 0:
options.layout_features.append('dlig')
else:
# Due to a bug in Fonttools, options are actually global, so the
# remnants of the previous instance are visible here.
# See https://github.com/behdad/fonttools/issues/413.
if 'dlig' in options.layout_features:
options.layout_features.remove('dlig')
# Same for small caps, it needs to be enabled explicitly. Luckily, only the
# glyphs in the list get included, no extra ones.
if any(g.endswith('.smcp') for g in glyphs):
options.layout_features.append('smcp')
options.layout_features.append('c2sc')
else:
if 'smcp' in options.layout_features:
options.layout_features.remove('smcp')
if 'c2sc' in options.layout_features:
options.layout_features.remove('c2sc')
# Fonts that went through the FontForge roundtrip will have subroutinized
# programs in the CFF table. This presumably reduces file size for full
# fonts, but on subsetted fonts it hurts file size and compressability, so
# desubroutinize.
options.desubroutinize = True
font = load_font(fontfile, options)
subsetter = Subsetter(options = options)
subsetter.populate(glyphs = glyphs)
subsetter.subset(font)
prune_cmaps(font)
options.flavor = "woff"
save_font(font, outfile_basename + ".woff", options)
options.flavor = "woff2"
save_font(font, outfile_basename + ".woff2", options)
font.close()
def subset(fontfile, outfile_basename, glyphs):
options = Options()
# Fonttools has this "feature" that if you enable 'dlig', it will also give
# you glyphs that you did not ask for, but if you do not enable 'dlig',
# then discretionary ligatures do not render properly.
# See https://github.com/behdad/fonttools/issues/43.
# As a workaround, only enable 'dlig' if there are glyphs for discretionary
# ligatures.
dligs = set(glyphs).intersection([
'c_b', 'c_h', 'c_k', 'c_p', 'ct', 'g_i', 'q_u', 's_b', 's_h', 's_k',
's_p', 'st'
])
if len(dligs) > 0:
options.layout_features.append('dlig')
else:
# Due to a bug in Fonttools, options are actually global, so the
# remnants of the previous instance are visible here.
# See https://github.com/behdad/fonttools/issues/413.
if 'dlig' in options.layout_features:
options.layout_features.remove('dlig')
# Same for small caps, it needs to be enabled explicitly. Luckily, only the
# glyphs in the list get included, no extra ones.
if any(g.endswith('.smcp') for g in glyphs):
options.layout_features.append('smcp')
options.layout_features.append('c2sc')
else:
if 'smcp' in options.layout_features:
options.layout_features.remove('smcp')
if 'c2sc' in options.layout_features:
options.layout_features.remove('c2sc')
# Fonts that went through the FontForge roundtrip will have subroutinized
# programs in the CFF table. This presumably reduces file size for full
# fonts, but on subsetted fonts it hurts file size and compressability, so
# desubroutinize.
options.desubroutinize = True
font = load_font(fontfile, options)
subsetter = Subsetter(options=options)
subsetter.populate(glyphs=glyphs)
subsetter.subset(font)
prune_cmaps(font)
options.flavor = "woff"
save_font(font, outfile_basename + ".woff", options)
options.flavor = "woff2"
save_font(font, outfile_basename + ".woff2", options)
font.close()
def subset(self, font_bytes, codepoints): # pylint: disable=no-self-use
"""Computes a subset of font_bytes to the given codepoints."""
options = subset.Options()
subsetter = subset.Subsetter(options=options)
with io.BytesIO(font_bytes) as font_io, \
subset.load_font(font_io, options) as font:
subsetter.populate(unicodes=codepoints)
subsetter.subset(font)
with io.BytesIO() as output:
subset.save_font(font, output, options)
return output.getvalue()
def prune_font(fontfile, out_dir):
font = fonttools.load_font(fontfile, fonttools.Options())
# Roundtripping a font trough FontForge adds a GDEF table. This table is not
# present in the original version of Calluna, so remove it. It is present in
# Inconsolata, but it does not appear to do any harm to remove it, apart
# from reducing the file size.
if 'GDEF' in font:
del font['GDEF']
font.save(os.path.join(out_dir, os.path.basename(fontfile)))
font.close()
def prune_font(fontfile, out_dir):
font = fonttools.load_font(fontfile, fonttools.Options())
# Roundtripping a font trough FontForge adds a GDEF table. This table is not
# present in the original version of Calluna, so remove it. It is present in
# Inconsolata, but it does not appear to do any harm to remove it, apart
# from reducing the file size.
if 'GDEF' in font:
del font['GDEF']
font.save(os.path.join(out_dir, os.path.basename(fontfile)))
font.close()
def subset_font(source_file, target_file,
include=None, exclude=None, options=None):
"""Subsets a font file.
Subsets a font file based on a specified character set. If only include is
specified, only characters from that set would be included in the output
font. If only exclude is specified, all characters except those in that
set will be included. If neither is specified, the character set will
remain the same, but inaccessible glyphs will be removed.
Args:
source_file: Input file name.
target_file: Output file name
include: The list of characters to include from the source font.
exclude: The list of characters to exclude from the source font.
options: A dictionary listing which options should be different from the
default.
Raises:
NotImplementedError: Both include and exclude were specified.
"""
opt = subset.Options()
opt.name_IDs = ['*']
opt.name_legacy = True
opt.name_languages = ['*']
opt.layout_features = ['*']
opt.notdef_outline = True
opt.recalc_bounds = True
opt.recalc_timestamp = True
opt.canonical_order = True
opt.drop_tables = ['+TTFA']
if options is not None:
for name, value in options.iteritems():
setattr(opt, name, value)
if include is not None:
if exclude is not None:
raise NotImplementedError(
'Subset cannot include and exclude a set at the same time.')
target_charset = include
else:
if exclude is None:
exclude = []
source_charset = coverage.character_set(source_file)
target_charset = source_charset - set(exclude)
font = subset.load_font(source_file, opt)
subsetter = subset.Subsetter(options=opt)
subsetter.populate(unicodes=target_charset)
subsetter.subset(font)
subset.save_font(font, target_file, opt)
def initOption(self, **kwargs):
# 设置选项
self.options = subset.Options()
self.options.flavor = 'woff'
for k, v in kwargs.items():
if not hasattr(self.options, k):
setattr(self.options, k, v)
# 实例化字体
self.font = subset.load_font(self.file_path, self.options)
# 设置配置器
self.subsetter = subset.Subsetter(self.options)
self.subsetter.populate(text=self.text)
self.subsetter.subset(self.font)
def subset(fontfile, outfile_basename, glyphs):
options = Options()
# Fonttools has this "feature" that if you enable 'dlig', it will also give
# you glyphs that you did not ask for, but if you do not enable 'dlig',
# then discretionary ligatures do not render properly.
# See https://github.com/behdad/fonttools/issues/43.
# As a workaround, only enable 'dlig' if there are glyphs for discretionary
# ligatures.
dligs = set(glyphs).intersection(["c_b", "c_h", "c_k", "c_p", "ct", "g_i", "q_u", "s_b", "s_h", "s_k", "s_p", "st"])
if len(dligs) > 0:
options.layout_features.append("dlig")
else:
# Due to a bug in Fonttools, options are actually global, so the
# remnants of the previous instance are visible here.
# See https://github.com/behdad/fonttools/issues/413.
if "dlig" in options.layout_features:
options.layout_features.remove("dlig")
# Same for small caps, it needs to be enabled explicitly. Luckily, only the
# glyphs in the list get included, no extra ones.
if any(g.endswith(".smcp") for g in glyphs):
options.layout_features.append("smcp")
options.layout_features.append("c2sc")
else:
if "smcp" in options.layout_features:
options.layout_features.remove("smcp")
if "c2sc" in options.layout_features:
options.layout_features.remove("c2sc")
# Fonts that went through the FontForge roundtrip will have subroutinized
# programs in the CFF table. This presumably reduces file size for full
# fonts, but on subsetted fonts it hurts file size and compressability, so
# desubroutinize.
options.desubroutinize = True
font = load_font(fontfile, options)
subsetter = Subsetter(options=options)
subsetter.populate(glyphs=glyphs)
subsetter.subset(font)
prune_cmaps(font)
options.flavor = "woff"
save_font(font, outfile_basename + ".woff", options)
options.flavor = "woff2"
save_font(font, outfile_basename + ".woff2", options)
font.close()
def run(self, pipedata):
if 'optimize' in pipedata and not pipedata['optimize']:
return
from bakery_cli.utils import ProcessedFile
filename = ProcessedFile()
self.bakery.logging_raw('### Optimize TTF {}'.format(filename))
# copied from https://code.google.com/p/noto/source/browse/nototools/subset.py
from fontTools.subset import Options, Subsetter, load_font, save_font
options = Options()
options.layout_features = ["*"]
options.name_IDs = ["*"]
options.hinting = True
options.legacy_kern = True
options.notdef_outline = True
options.no_subset_tables += ['DSIG']
options.drop_tables = list(
set(options._drop_tables_default) - set(['DSIG']))
cmd_options = ('--glyphs=*'
' --layout-features=*'
' --name-IDs=*'
' --hinting'
' --legacy-kern --notdef-outline'
' --no-subset-tables+=DSIG'
' --drop-tables-=DSIG')
font = load_font(op.join(self.builddir, filename), options)
cmdline = 'pyftsubset {1} {0}'.format(cmd_options,
op.join(self.builddir, filename))
self.bakery.logging_cmd(cmdline)
subsetter = Subsetter(options=options)
subsetter.populate(glyphs=font.getGlyphOrder())
subsetter.subset(font)
save_font(font, op.join(self.builddir, filename + '.fix'), options)
# compare filesizes TODO print analysis of this :)
comment = "# look at the size savings of that subset process"
self.bakery.logging_cmd(comment)
run(u"ls -la {0} {0}.fix | awk '{{ print $5 \"\t\" $9 }}'".format(
unicode(op.join(self.builddir, filename))))
comment = "# copy back optimized ttf to original filename"
self.bakery.logging_cmd(comment)
shutil.move(op.join(self.builddir, filename + '.fix'),
op.join(self.builddir, filename))
def subset_font(basefile_path, buff, text):
options = Options()
options.name_IDs = []
options.obfuscate_names = True
options.flavor = 'woff'
font = load_font(basefile_path, options)
subsetter = Subsetter(options=options)
subsetter.populate(text=text)
subsetter.subset(font)
save_font(font, buff, options)
font.close()
buff.seek(0)
return
def run(self, pipedata):
if 'optimize' in pipedata and not pipedata['optimize']:
return
from bakery_cli.utils import ProcessedFile
filename = ProcessedFile()
self.bakery.logging_raw('### Optimize TTF {}'.format(filename))
# copied from https://code.google.com/p/noto/source/browse/nototools/subset.py
from fontTools.subset import Options, Subsetter, load_font, save_font
options = Options()
options.layout_features = ["*"]
options.name_IDs = ["*"]
options.hinting = True
options.legacy_kern = True
options.notdef_outline = True
options.no_subset_tables += ['DSIG']
options.drop_tables = list(set(options._drop_tables_default) - set(['DSIG']))
cmd_options = ('--glyphs=*'
' --layout-features=*'
' --name-IDs=*'
' --hinting'
' --legacy-kern --notdef-outline'
' --no-subset-tables+=DSIG'
' --drop-tables-=DSIG')
font = load_font(op.join(self.builddir, filename), options)
cmdline = 'pyftsubset {1} {0}'.format(cmd_options, op.join(self.builddir, filename))
self.bakery.logging_cmd(cmdline)
subsetter = Subsetter(options=options)
subsetter.populate(glyphs=font.getGlyphOrder())
subsetter.subset(font)
save_font(font, op.join(self.builddir, filename + '.fix'), options)
# compare filesizes TODO print analysis of this :)
comment = "# look at the size savings of that subset process"
self.bakery.logging_cmd(comment)
run(u"ls -la {0} {0}.fix | awk '{{ print $5 \"\t\" $9 }}'".format(unicode(op.join(self.builddir, filename))))
comment = "# copy back optimized ttf to original filename"
self.bakery.logging_cmd(comment)
shutil.move(op.join(self.builddir, filename + '.fix'),
op.join(self.builddir, filename))
def main(args):
"""Subset a font (useful for making small test fonts).
Args:
args: list, arguments the user typed.
"""
parser = argparse.ArgumentParser()
parser.add_argument('fontfile', help='Input font file')
parser.add_argument('--text', default='',
help='Text to include in the subset')
parser.add_argument('--unicodes', default='',
help='Comma separated list of Unicode codepoints (hex) '
'to include in the subset; eg, "e7,0xe8,U+00e9"')
parser.add_argument('--glyphs', default='',
help='Comma separated list of glyph IDs (decimal) to '
'include in the subset; eg, "1,27"')
parser.add_argument('--hinting', default=False, action='store_true',
help='Enable hinting if specified, no hinting if not '
'present')
cmd_args = parser.parse_args(args)
options = Options()
# Definitely want the .notdef glyph and outlines.
options.notdef_glyph = True
options.notdef_outline = True
# Get the item. to keep in the subset.
text = cmd_args.text
unicodes_str = cmd_args.unicodes.lower().replace('0x', '').replace('u+', '')
unicodes = [int(c, 16) for c in unicodes_str.split(',') if c]
glyphs = [int(c) for c in cmd_args.glyphs.split(',') if c]
fontfile = cmd_args.fontfile
options.hinting = cmd_args.hinting # False => no hinting
dirname = os.path.dirname(fontfile)
basename = os.path.basename(fontfile)
filename, extension = os.path.splitext(basename)
output_file = dirname + '/' + filename + '_subset' + extension
font = load_font(fontfile, options, lazy=False)
subsetter = Subsetter(options)
subsetter.populate(text=text, unicodes=unicodes, glyphs=glyphs)
subsetter.subset(font)
save_font(font, output_file, options)
def run(self, filename, pipedata):
if 'optimize' in pipedata and not pipedata['optimize']:
return
self.bakery.logging_raw('### Optimize TTF {}'.format(filename))
# copied from https://code.google.com/p/noto/source/browse/nototools/subset.py
from fontTools.subset import Options, Subsetter, load_font, save_font
options = Options()
options.layout_features = ["*"]
options.name_IDs = ["*"]
options.hinting = True
options.legacy_kern = True
options.notdef_outline = True
options.no_subset_tables += ['DSIG']
options.drop_tables = list(
set(options._drop_tables_default) - set(['DSIG']))
font = load_font(op.join(self.builddir, filename), options)
self.bakery.logging_raw('Before: {}'.format(font.keys()))
self.bakery.logging_raw('{}'.format(options.__dict__))
subsetter = Subsetter(options=options)
subsetter.populate(glyphs=font.getGlyphOrder())
subsetter.subset(font)
save_font(font, op.join(self.builddir, filename + '.opt'), options)
newsize = op.getsize(op.join(self.builddir, filename + '.opt'))
origsize = op.getsize(op.join(self.builddir, filename))
# compare filesizes TODO print analysis of this :)
comment = "# look at the size savings of that subset process"
self.bakery.logging_cmd("ls -l '%s'* %s" % (filename, comment))
statusmessage = "{0}.opt: {1} bytes\n{0}: {2} bytes\n"
self.bakery.logging_raw(
statusmessage.format(filename, newsize, origsize))
self.bakery.logging_raw('Now: {}'.format(font.keys()))
# move ttx files to src
shutil.move(op.join(self.builddir, filename + '.opt'),
op.join(self.builddir, filename),
log=self.bakery.logger)
def _load_font(path):
guess = mimetypes.guess_type(path)
if guess[0] not in [
"font/ttc",
"font/ttf",
"font/otf",
"font/woff",
"application/font-sfnt",
"application/font-woff",
]:
logging.error("Not a font file: {}".format(path))
logging.error("Guessed mimetype: '{}'".format(guess[0]))
logging.error("If this is a text file: do you have Git LFS installed?")
sys.exit(1)
try:
return subset.load_font(path,
FONT_TOOLS_OPTIONS,
dontLoadGlyphNames=True)
except FileNotFoundError as e: # noqa F821
logging.error("Could not load font: {}".format(str(e)))
logging.error("You may need to run: `make i18n-download-source-fonts`")
sys.exit(1)
def main(args):
if not args.filepath:
raise AttributeError('Please specify font filepath')
if not os.path.exists(args.filepath):
raise AttributeError('File: %s not found' % args.filepath)
textfile_dir = '_posts'
unichars = set()
def walk_callback(args, dirname, fnames):
for fname in fnames:
unichars.update(get_unicodes(os.path.join(dirname, fname)))
os.path.walk(textfile_dir, walk_callback, None)
unicodes = [ord(c) for c in unichars]
cjk_fontfile = args.filepath
out_fontdir = 'assets/fonts'
out_fontfile = makeOutputFileName(os.path.basename(args.filepath),
outputDir=out_fontdir,
extension='.woff',
overWrite=True)
options = subset.Options()
dontLoadGlyphNames = not options.glyph_names
font = subset.load_font(cjk_fontfile,
options,
dontLoadGlyphNames=dontLoadGlyphNames)
subsetter = subset.Subsetter()
subsetter.populate(glyphs=[], gids=[], unicodes=unicodes, text='')
subsetter.subset(font)
sfnt.USE_ZOPFLI = True
font.flavor = 'woff'
font.save(out_fontfile, reorderTables=False)
print('Input font: % 7d bytes: %s' %
(os.path.getsize(cjk_fontfile), cjk_fontfile))
print('Subset font: % 7d bytes: %s' %
(os.path.getsize(out_fontfile), out_fontfile))
def stamp(svgfile, fontfile, text, font_family=None, xml_transform=None):
options = Options(flavor="woff2")
with load_font(fontfile, options) as font:
font_family = font_family or font_name(font)
font_data = subset_font(font, text, options)
with open(svgfile) as f:
xml = xmltodict.parse(f.read())
# Embed font in root style tag
style = xml["svg"].get("style", {"#text": ""})
if type(style) == str:
style = {"#text": style}
style["#text"] += f"""
<![CDATA[
@font-face {{
font-family: "{font_family}";
src: url("data:font/woff2;base64,{font_data}");
}}
]]>
"""
xml["svg"]["style"] = style
if xml_transform:
xml = xml_transform(xml)
return unescape(xmltodict.unparse(xml))
def subset_otf_from_ufo(self, otf_path, ufo):
"""Subset a font using export flags set by glyphs2ufo."""
font_lib_prefix = 'com.schriftgestaltung.'
glyph_lib_prefix = font_lib_prefix + 'Glyphs.'
keep_glyphs = set(ufo.lib.get(font_lib_prefix + 'Keep Glyphs', []))
include = []
glyph_order = ufo.lib['public.glyphOrder']
for glyph_name in glyph_order:
glyph = ufo[glyph_name]
if ((keep_glyphs and glyph_name not in keep_glyphs) or
not glyph.lib.get(glyph_lib_prefix + 'Export', True)):
continue
include.append(glyph_name)
# copied from nototools.subset
opt = subset.Options()
opt.name_IDs = ['*']
opt.name_legacy = True
opt.name_languages = ['*']
opt.layout_features = ['*']
opt.notdef_outline = True
opt.recalc_bounds = True
opt.recalc_timestamp = True
opt.canonical_order = True
opt.glyph_names = ufo.lib.get(
font_lib_prefix + "Don't use Production Names")
font = subset.load_font(otf_path, opt, lazy=False)
subsetter = subset.Subsetter(options=opt)
subsetter.populate(glyphs=include)
subsetter.subset(font)
subset.save_font(font, otf_path, opt)
def subset_font_cmap(
srcname, dstname, exclude=None, include=None, bump_version=True):
opt = _DEFAULT_OPTIONS
font = subset.load_font(srcname, opt)
target_charset = set(font_data.get_cmap(font).keys())
if include is not None:
target_charset &= include
if exclude is not None:
target_charset -= exclude
subsetter = subset.Subsetter(options=opt)
subsetter.populate(unicodes=target_charset)
subsetter.subset(font)
if bump_version:
# assume version string has 'uh' if unhinted, else hinted.
revision, version_string = swat_license.get_bumped_version(font)
font['head'].fontRevision = revision
font_data.set_name_record(font, _VERSION_ID, version_string)
subset.save_font(font, dstname, opt)
def subset_otf_from_ufo(self, otf_path, ufo):
"""Subset a font using "Keep Glyphs" custom parameter and export flags as set
by glyphsLib.
"Export Glyphs" and "Remove Glyphs" are currently not supported:
https://github.com/googlei18n/glyphsLib/issues/295.
"""
from fontTools import subset
# we must exclude from the final UFO glyphOrder all the glyphs that were not
# exported to OTF because included in 'public.skipExportGlyphs'
skip_export_glyphs = set(ufo.lib.get("public.skipExportGlyphs", ()))
exported_glyphs = dict.fromkeys(g for g in ufo.keys()
if g not in skip_export_glyphs)
ufo_order = makeOfficialGlyphOrder(exported_glyphs,
glyphOrder=ufo.glyphOrder)
# ufo2ft always inserts a ".notdef" glyph as the first glyph
if ".notdef" not in exported_glyphs:
ufo_order.insert(0, ".notdef")
ot_order = TTFont(otf_path).getGlyphOrder()
assert ot_order[0] == ".notdef"
assert len(ufo_order) == len(ot_order)
for key in (KEEP_GLYPHS_NEW_KEY, KEEP_GLYPHS_OLD_KEY):
keep_glyphs_list = ufo.lib.get(key)
if keep_glyphs_list is not None:
keep_glyphs = set(keep_glyphs_list)
break
else:
keep_glyphs = None
include = []
for source_name, binary_name in zip(ufo_order, ot_order):
if keep_glyphs and source_name not in keep_glyphs:
continue
if source_name in ufo:
exported = ufo[source_name].lib.get(GLYPH_EXPORT_KEY, True)
if not exported:
continue
include.append(binary_name)
# copied from nototools.subset
opt = subset.Options()
opt.name_IDs = ["*"]
opt.name_legacy = True
opt.name_languages = ["*"]
opt.layout_features = ["*"]
opt.notdef_outline = True
opt.recalc_bounds = True
opt.recalc_timestamp = True
opt.canonical_order = True
opt.glyph_names = True
font = subset.load_font(otf_path, opt, lazy=False)
subsetter = subset.Subsetter(options=opt)
subsetter.populate(glyphs=include)
subsetter.subset(font)
subset.save_font(font, otf_path, opt)
def __init__(self, font_path, options=None, featurs=['*']):
if not options:
options = self.make_options(featurs)
self.options = options
self.font = load_font(font_path, self.options)
def main(args):
"""Subset a font (useful for making small test fonts).
Args:
args: list, arguments the user typed.
"""
parser = argparse.ArgumentParser()
parser.add_argument('fontfile', help='Input font file')
parser.add_argument('--subset_postfix',
default='',
help='Postfix to the subset extension')
parser.add_argument('--text',
default='',
help='Text to include in the subset')
parser.add_argument(
'--unicodes',
default='',
help='Comma separated list of Unicode codepoints (hex) '
'to include in the subset; eg, "e7,0xe8,U+00e9"')
parser.add_argument('--glyphs',
default='',
help='Comma separated list of glyph IDs (decimal) to '
'include in the subset; eg, "1,27"')
parser.add_argument('--hinting',
default=False,
action='store_true',
help='Enable hinting if specified, no hinting if not '
'present')
cmd_args = parser.parse_args(args)
options = Options()
# Definitely want the .notdef glyph and outlines.
options.notdef_glyph = True
options.notdef_outline = True
# Get the item. to keep in the subset.
text = cmd_args.text
unicodes_str = cmd_args.unicodes.lower().replace('0x',
'').replace('u+', '')
# TODO(bstell) replace this whole files by using the new subset.py code
unicodes_input = [c for c in unicodes_str.split(',') if c]
unicodes = []
for c in unicodes_input:
if '-' in c:
uni_range = c.split('-')
uni_range_expanded = range(int(uni_range[0], 16),
int(uni_range[1], 16) + 1)
unicodes.extend(uni_range_expanded)
else:
unicodes.append(int(c, 16))
#unicodes = [int(c, 16) for c in unicodes_input_expanded]
glyphs = [int(c) for c in cmd_args.glyphs.split(',') if c]
fontfile = cmd_args.fontfile
options.hinting = cmd_args.hinting # False => no hinting
options.hinting = True # hint stripping for CFF is currently broken
dirname = os.path.dirname(fontfile)
basename = os.path.basename(fontfile)
filename, extension = os.path.splitext(basename)
subset_postfix = cmd_args.subset_postfix
output_file = dirname + '/' + filename + '_subset' + subset_postfix + extension
print "output_file =", output_file
font = load_font(fontfile, options, lazy=False)
subsetter = Subsetter(options)
subsetter.populate(text=text, unicodes=unicodes, glyphs=glyphs)
subsetter.subset(font)
save_font(font, output_file, options)
#!/usr/bin/python
import sys
from fontTools import subset
# 测试使用
# sys.argv = ['字体拆分.py', '.\data\Funkster.ttf']
sys.argv = ['字体拆分.py', '.\data\HARLOWSI.TTF']
if len(sys.argv) < 2:
print("Usage : 字体拆分.py in.ttx")
sys.exit(1)
ttx_file = sys.argv[1]
del sys.argv
ops = subset.Options()
font = subset.load_font(ttx_file, ops)
sub = subset.Subsetter(ops)
sub.populate(text='Google')
sub.subset(font)
ops.flavor = 'woff'
subset.save_font(font, '.\data\sub.woff', ops)
font.close()
# sub.woff 在 windows 上利用 FontCreator 软件导出成ttf文件 即可使用
from fontTools import subset
options = subset.Options() # dir(options)
font = subset.load_font('shuibo.ttf', options)
subsetter = subset.Subsetter(options)
subsetter.populate(text = 'Google')
subsetter.subset(font)
options.flavor = 'woff'
subset.save_font(font, 'font.woff', options)
def makeKit(font_path):
# put the result into a directory named file_name.kit
dest_dir = os.path.splitext(font_path)[0] + '.kit'
if os.path.isdir(dest_dir):
print 'FAILURE: dest %s already exists' % dest_dir
return False
os.makedirs(dest_dir)
print 'Making a kit for %s in %s' % (font_path, dest_dir)
# crack open the font
# equivalent pyftsubset /tmp/Lobster-Regular.ttf --unicodes='*' --obfuscate_names
options = subset.Options()
with contextlib.closing(subset.load_font(font_path, options)) as font:
unicodes = []
for t in font['cmap'].tables:
if t.isUnicode():
unicodes.extend(t.cmap.keys())
options.unicodes = unicodes
# mangle 'name' so the font can't be installed
options.obfuscate_names
# apply our subsetting, most notably trashing 'name'
subsetter = subset.Subsetter(options=options)
subsetter.populate()
# write [ot]tf, woff, and woff2 editions with 'name' mangled
font_name_noext = os.path.splitext(os.path.basename(font_path))[0]
font_ext = os.path.splitext(os.path.basename(font_path))[1]
for fmt in [font_ext, '.woff', '.woff2']:
dest_file = os.path.join(dest_dir, font_name_noext + fmt)
options.flavor = None
if fmt.startswith('.woff'):
options.flavor = fmt[1:]
print 'Writing %s' % dest_file
with open(dest_file, 'wb') as f:
subset.save_font(font, f, options)
# write a sample somewhat (no early Android, IE) bulletproof css
dest_file = os.path.join(dest_dir, 'bulletproof.css')
os2 = font['OS/2']
font_style = 'normal'
if os2.fsSelection & 1:
font_style = 'italic'
with open(dest_file, 'w') as f:
f.write("@font-face {\n")
f.write(" font-family: '%s';\n" % font_name_noext)
f.write(" font-style: %s;\n" % font_style)
f.write(" font-weight: %d;\n" % os2.usWeightClass)
f.write(" src:\n")
f.write(" url('./%s.woff2') format('woff2'),\n" %
font_name_noext)
f.write(" url('./%s.woff') format('woff'),\n" % font_name_noext)
if font_ext == '.otf':
f.write(" url('./%s.otf') format('opentype')" %
font_name_noext)
else:
f.write(" url('./%s.ttf') format('truetype')" %
font_name_noext)
f.write(";\n")
f.write("}\n")
return True
if len(sys.argv) != 5:
print("Usage: " + sys.argv[0] +
" font-file font-reader dimension-output woff2-output")
exit()
fname = sys.argv[1]
freader = sys.argv[2]
doutput = sys.argv[3]
woutput = sys.argv[4]
options = ftss.Options()
options.flavor = 'woff2'
subsetter = ftss.Subsetter(options=options)
font = ftss.load_font(fname, options)
subsetter.populate(unicodes=glyphs)
subsetter.subset(font)
out = io.BytesIO()
ftss.save_font(font, out, options)
font.close()
# save the woff2 file
fw = open(woutput, "w")
fw.write("package serif\n")
fw.write("var Woff2Blob = \"")