def readLWFN(path, onlyHeader=0):
"""reads an LWFN font file, returns raw data"""
resRef = Res.FSOpenResFile(path, 1) # read-only
try:
Res.UseResFile(resRef)
n = Res.Count1Resources('POST')
data = []
for i in range(501, 501 + n):
res = Res.Get1Resource('POST', i)
code = ord(res.data[0])
if ord(res.data[1]) <> 0:
raise T1Error, 'corrupt LWFN file'
if code in [1, 2]:
if onlyHeader and code == 2:
break
data.append(res.data[2:])
elif code in [3, 5]:
break
elif code == 4:
f = open(path, "rb")
data.append(f.read())
f.close()
elif code == 0:
pass # comment, ignore
else:
raise T1Error, 'bad chunk code: ' + ` code `
finally:
Res.CloseResFile(resRef)
data = string.join(data, '')
assertType1(data)
return data
def __init__(self, path, ttFont, res_id=None):
self.file = StringIO()
self.name = path
self.closed = 0
fullname = ttFont['name'].getName(
4, 1, 0) # Full name, mac, default encoding
familyname = ttFont['name'].getName(
1, 1, 0) # Fam. name, mac, default encoding
psname = ttFont['name'].getName(6, 1, 0) # PostScript name, etc.
if fullname is None or fullname is None or psname is None:
from fontTools import ttLib
raise ttLib.TTLibError(
"can't make 'sfnt' resource, no Macintosh 'name' table found")
self.fullname = fullname.string
self.familyname = familyname.string
self.psname = psname.string
if self.familyname != self.psname[:len(self.familyname)]:
# ugh. force fam name to be the same as first part of ps name,
# fondLib otherwise barfs.
for i in range(min(len(self.psname), len(self.familyname))):
if self.familyname[i] != self.psname[i]:
break
self.familyname = self.psname[:i]
self.ttFont = ttFont
self.res_id = res_id
if os.path.exists(self.name):
os.remove(self.name)
# XXX datafork support
Res.FSpCreateResFile(self.name, 'DMOV', 'FFIL', 0)
self.resref = Res.FSOpenResFile(self.name,
3) # exclusive read/write permission
def MyOpenResFile(path):
mode = 1 # read only
try:
resref = Res.FSOpenResFile(path, mode)
except Res.Error:
# try data fork
resref = Res.FSOpenResourceFile(path, unicode(), mode)
return resref
def __init__(self, path, mode='r'):
if mode == 'r':
permission = 1 # read only
elif mode == 'w':
permission = 3 # exclusive r/w
else:
raise error, 'mode should be either "r" or "w"'
self.mode = mode
self.resref = Res.FSOpenResFile(path, permission)
Res.UseResFile(self.resref)
self.path = path
self.fonds = []
self.getFONDs()
def dataFromFile(pathOrFSSpec, nameOrID="", resType='NFNT'): from Carbon import Res resref = Res.FSOpenResFile(pathOrFSSpec, 1) # readonly try: Res.UseResFile(resref) if not nameOrID: # just take the first in the file res = Res.Get1IndResource(resType, 1) elif type(nameOrID) == types.IntType: res = Res.Get1Resource(resType, nameOrID) else: res = Res.Get1NamedResource(resType, nameOrID) theID, theType, name = res.GetResInfo() data = res.data finally: Res.CloseResFile(resref) return data
def writeLWFN(path, data):
Res.FSpCreateResFile(path, "just", "LWFN", 0)
resRef = Res.FSOpenResFile(path, 2) # write-only
try:
Res.UseResFile(resRef)
resID = 501
chunks = findEncryptedChunks(data)
for isEncrypted, chunk in chunks:
if isEncrypted:
code = 2
else:
code = 1
while chunk:
res = Res.Resource(
chr(code) + '\0' + chunk[:LWFNCHUNKSIZE - 2])
res.AddResource('POST', resID, '')
chunk = chunk[LWFNCHUNKSIZE - 2:]
resID = resID + 1
res = Res.Resource(chr(5) + '\0')
res.AddResource('POST', resID, '')
finally:
Res.CloseResFile(resRef)
