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[ttx] add support for dumping WOFF2 fonts to TTX

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This commit is contained in:
Cosimo Lupo 2015-07-31 20:01:31 +01:00
parent eb266373fd
commit 867ad325bf
1 changed files with 10 additions and 2 deletions
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12
Lib/fontTools/ttx.py
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@ -198,7 +198,13 @@ def ttList(input, output, options):
print(format % ("----", "----------", "-------", "-------"))
for tag in tags:
entry = reader.tables[tag]
checkSum = int(entry.checkSum)
if ttf.flavor == "woff2":
# WOFF2 doesn't store table checksums, so they must be calculated
from fontTools.ttLib.sfnt import calcChecksum
data = entry.loadData(reader.transformBuffer)
checkSum = calcChecksum(data)
else:
checkSum = int(entry.checkSum)
if checkSum < 0:
checkSum = checkSum + 0x100000000
checksum = "0x%08X" % checkSum
@ -268,6 +274,8 @@ def guessFileType(fileName):
return "TTF"
elif head == "wOFF":
return "WOFF"
elif head == "wOF2":
return "WOFF2"
elif head.lower() == "<?xm":
# Use 'latin1' because that can't fail.
header = tostr(header, 'latin1')
@ -293,7 +301,7 @@ def parseOptions(args):
for input in files:
tp = guessFileType(input)
if tp in ("OTF", "TTF", "TTC", "WOFF"):
if tp in ("OTF", "TTF", "TTC", "WOFF", "WOFF2"):
extension = ".ttx"
if options.listTables:
action = ttList