def close(self, closeStream=1):
"""All tables must have been written to disk. Now write the
directory.
"""
tables = self.tables.items()
tables.sort()
if len(tables) <> self.numTables:
from kiva.fonttools.fontTools import ttLib
raise ttLib.TTLibError, "wrong number of tables; expected %d, found %d" % (self.numTables, len(tables))
directory = sstruct.pack(sfntDirectoryFormat, self)
self.file.seek(sfntDirectorySize)
for tag, entry in tables:
directory = directory + entry.toString()
self.calcMasterChecksum(directory)
self.file.seek(0)
self.file.write(directory)
if closeStream:
self.file.close()
def compile(self, ttFont):
if not hasattr(self, "names"):
# only happens when there are NO name table entries read
# from the TTX file
self.names = []
self.names.sort() # sort according to the spec; see NameRecord.__cmp__()
stringData = ""
format = 0
n = len(self.names)
stringoffset = 6 + n * sstruct.calcsize(nameRecordFormat)
data = struct.pack(">HHH", format, n, stringoffset)
lastoffset = 0
done = {} # remember the data so we can reuse the "pointers"
for name in self.names:
if done.has_key(name.string):
name.offset, name.length = done[name.string]
else:
name.offset, name.length = done[name.string] = len(stringData), len(name.string)
stringData = stringData + name.string
data = data + sstruct.pack(nameRecordFormat, name)
return data + stringData
def toString(self):
return sstruct.pack(sfntDirectoryEntryFormat, self)
