def fix(self):
if 'DSIG' in self.font:
return False
try:
from fontTools.ttLib.tables.D_S_I_G_ import SignatureRecord
except ImportError:
error_message = ("The '{}' font does not have an existing"
" digital signature proving its authenticity,"
" so Fontbakery needs to add one. To do this"
" requires version 2.3 or later of Fonttools"
" to be installed. Please upgrade at"
" https://pypi.python.org/pypi/FontTools/2.4")
logger.error(error_message.format(os.path.basename(self.fontpath)))
return False
newDSIG = ttLib.newTable("DSIG")
newDSIG.ulVersion = 1
newDSIG.usFlag = 1
newDSIG.usNumSigs = 1
sig = SignatureRecord()
sig.ulLength = 20
sig.cbSignature = 12
sig.usReserved2 = 0
sig.usReserved1 = 0
sig.pkcs7 = '\xd3M4\xd3M5\xd3M4\xd3M4'
sig.ulFormat = 1
sig.ulOffset = 20
newDSIG.signatureRecords = [sig]
self.font.tables["DSIG"] = newDSIG
return True
def makeDSIG(tt_font):
'''
Add a dummy DSIG table to an OpenType-TTF font, so positioning features work in Office applications on Windows.
thanks to Ben Kiel on TypeDrawers:
http://typedrawers.com/discussion/192/making-ot-ttf-layout-features-work-in-ms-word-2010
'''
from fontTools import ttLib
from fontTools.ttLib.tables.D_S_I_G_ import SignatureRecord
newDSIG = ttLib.newTable("DSIG")
newDSIG.ulVersion = 1
newDSIG.usFlag = 1
newDSIG.usNumSigs = 1
sig = SignatureRecord()
sig.ulLength = 20
sig.cbSignature = 12
sig.usReserved2 = 0
sig.usReserved1 = 0
sig.pkcs7 = '\xd3M4\xd3M5\xd3M4\xd3M4'
sig.ulFormat = 1
sig.ulOffset = 20
newDSIG.signatureRecords = [sig]
tt_font["DSIG"] = newDSIG
# ugly but necessary -> so all tables are added to ttfont
# tt_font.lazy = False
for key in tt_font.keys():
print tt_font[key]
def makeDSIG(tt_font):
'''
Add a dummy DSIG table to an OpenType-TTF font, so positioning features work in Office applications on Windows.
thanks to Ben Kiel on TypeDrawers:
http://typedrawers.com/discussion/192/making-ot-ttf-layout-features-work-in-ms-word-2010
'''
from fontTools import ttLib
from fontTools.ttLib.tables.D_S_I_G_ import SignatureRecord
newDSIG = ttLib.newTable("DSIG")
newDSIG.ulVersion = 1
newDSIG.usFlag = 1
newDSIG.usNumSigs = 1
sig = SignatureRecord()
sig.ulLength = 20
sig.cbSignature = 12
sig.usReserved2 = 0
sig.usReserved1 = 0
sig.pkcs7 = '\xd3M4\xd3M5\xd3M4\xd3M4'
sig.ulFormat = 1
sig.ulOffset = 20
newDSIG.signatureRecords = [sig]
tt_font["DSIG"] = newDSIG
# ugly but necessary -> so all tables are added to ttfont
# tt_font.lazy = False
for key in tt_font.keys():
print tt_font[key]
def fix(self):
if 'DSIG' in self.font:
return False
try:
from fontTools.ttLib.tables.D_S_I_G_ import SignatureRecord
except ImportError:
error_message = ("The '{}' font does not have an existing"
" digital signature proving its authenticity,"
" so Fontbakery needs to add one. To do this"
" requires version 2.3 or later of Fonttools"
" to be installed. Please upgrade at"
" https://pypi.python.org/pypi/FontTools/2.4")
logger.error(error_message.format(os.path.basename(self.fontpath)))
return False
newDSIG = ttLib.newTable("DSIG")
newDSIG.ulVersion = 1
newDSIG.usFlag = 1
newDSIG.usNumSigs = 1
sig = SignatureRecord()
sig.ulLength = 20
sig.cbSignature = 12
sig.usReserved2 = 0
sig.usReserved1 = 0
sig.pkcs7 = '\xd3M4\xd3M5\xd3M4\xd3M4'
sig.ulFormat = 1
sig.ulOffset = 20
newDSIG.signatureRecords = [sig]
self.font.tables["DSIG"] = newDSIG
return True
def main():
args = parser.parse_args()
for path in args.ttf_font:
if not os.path.exists(path):
continue
font = ttLib.TTFont(path)
if "DSIG" not in font:
try:
if args.autofix:
from fontTools.ttLib.tables.D_S_I_G_ import SignatureRecord
newDSIG = ttLib.newTable("DSIG")
newDSIG.ulVersion = 1
newDSIG.usFlag = 1
newDSIG.usNumSigs = 1
sig = SignatureRecord()
sig.ulLength = 20
sig.cbSignature = 12
sig.usReserved2 = 0
sig.usReserved1 = 0
sig.pkcs7 = '\xd3M4\xd3M5\xd3M4\xd3M4'
sig.ulFormat = 1
sig.ulOffset = 20
newDSIG.signatureRecords = [sig]
font.tables["DSIG"] = newDSIG
font.save(path)
print(("HOTFIX: '{}': The font lacks a digital"
" signature (DSIG), so we just added a dummy"
" placeholder that should be enough for the"
" applications that require its presence in"
" order to work properly.").format(path))
else:
print(("ERROR: '{}': This font lacks a digital signature"
" (DSIG table). Some applications may required"
" one (even if only a dummy placeholder)"
" in order to work properly. Re-run this script"
" passing --autofix in order to hotfix the font"
" with a dummy signature.").format(path))
except ImportError:
error_message = (
"ERROR '{}': The font lacks a"
" digital signature (DSIG), so OpenType features"
" will not be available in some applications that"
" use its presense as a (stupid) heuristic."
" So we need to add one. But for that we'll need "
"Fonttools v2.3+ so you need to upgrade it. Try:"
" $ pip install --upgrade fontTools; or see"
" https://pypi.python.org/pypi/FontTools")
print(error_message.format(path))
def makeDSIG(font):
from fontTools.ttLib.tables.D_S_I_G_ import SignatureRecord
newDSIG = ttLib.newTable("DSIG")
newDSIG.ulVersion = 1
newDSIG.usFlag = 1
newDSIG.usNumSigs = 1
sig = SignatureRecord()
sig.ulLength = 20
sig.cbSignature = 12
sig.usReserved2 = 0
sig.usReserved1 = 0
sig.pkcs7 = '\xd3M4\xd3M5\xd3M4\xd3M4'
sig.ulFormat = 1
sig.ulOffset = 20
newDSIG.signatureRecords = [sig]
font.tables["DSIG"] = newDSIG
def create(fontpath):
font = ttLib.TTFont(fontpath)
newDSIG = ttLib.newTable("DSIG")
newDSIG.ulVersion = 1
newDSIG.usFlag = 1
newDSIG.usNumSigs = 1
sig = SignatureRecord()
sig.ulLength = 20
sig.cbSignature = 12
sig.usReserved2 = 0
sig.usReserved1 = 0
sig.pkcs7 = '\xd3M4\xd3M5\xd3M4\xd3M4'
sig.ulFormat = 1
sig.ulOffset = 20
newDSIG.signatureRecords = [sig]
font.tables["DSIG"] = newDSIG
font.save(fontpath + '.fix')
def makeDSIG(font):
"""
Makes a fake DSIG to keep certain applications happy.
*font* is a fontTools font object
"""
from fontTools.ttLib.tables.D_S_I_G_ import SignatureRecord
newDSIG = ttLib.newTable("DSIG")
newDSIG.ulVersion = 1
newDSIG.usFlag = 1
newDSIG.usNumSigs = 1
sig = SignatureRecord()
sig.ulLength = 20
sig.cbSignature = 12
sig.usReserved2 = 0
sig.usReserved1 = 0
sig.pkcs7 = b'\xd3M4\xd3M5\xd3M4\xd3M4'
sig.ulFormat = 1
sig.ulOffset = 20
newDSIG.signatureRecords = [sig]
font.tables["DSIG"] = newDSIG