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pdfminer.six
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cfffont extension with no luck

pull/1/head
Yusuke Shinyama 2011-01-25 00:19:07 +09:00
parent 4eb6083c09
commit 109aedeb43
1 changed files with 36 additions and 11 deletions
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47
pdfminer/pdffont.py
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@ -266,10 +266,11 @@ class CFFFont(object):
def __iter__(self):
return iter( self[i] for i in xrange(len(self)) )
def __init__(self, fp0):
self.fp = fp0
def __init__(self, name, fp):
self.name = name
self.fp = fp
# Header
(_major,_minor,hdrsize,self.offsize) = unpack('BBBB', self.fp.read(4))
(_major,_minor,hdrsize,offsize) = unpack('BBBB', self.fp.read(4))
self.fp.read(hdrsize-4)
# Name INDEX
self.name_index = self.INDEX(self.fp)
@ -281,9 +282,9 @@ class CFFFont(object):
self.subr_index = self.INDEX(self.fp)
# Top DICT DATA
self.top_dict = getdict(self.dict_index[0])
(charset_pos,) = self.top_dict.get(15, 0)
(encoding_pos,) = self.top_dict.get(16, 0)
(charstring_pos,) = self.top_dict.get(17, 0)
(charset_pos,) = self.top_dict.get(15, [0])
(encoding_pos,) = self.top_dict.get(16, [0])
(charstring_pos,) = self.top_dict.get(17, [0])
# CharStrings
self.fp.seek(charstring_pos)
self.charstring = self.INDEX(self.fp)
@ -299,9 +300,18 @@ class CFFFont(object):
for (code,gid) in enumerate(unpack('B'*n, self.fp.read(n))):
self.code2gid[code] = gid
self.gid2code[gid] = code
else:
elif format == '\x01':
# Format 1
assert 0
(n,) = unpack('B', self.fp.read(1))
code = 0
for i in xrange(n):
(first,nleft) = unpack('BB', self.fp.read(2))
for gid in xrange(first,first+nleft+1):
self.code2gid[code] = gid
self.gid2code[gid] = code
code += 1
else:
raise ValueError('unsupported encoding format: %r' % format)
# Charsets
self.name2gid = {}
self.gid2name = {}
@ -315,9 +325,22 @@ class CFFFont(object):
name = self.getstr(sid)
self.name2gid[name] = gid
self.gid2name[gid] = name
else:
elif format == '\x01':
# Format 1
(n,) = unpack('B', self.fp.read(1))
sid = 0
for i in xrange(n):
(first,nleft) = unpack('BB', self.fp.read(2))
for gid in xrange(first,first+nleft+1):
name = self.getstr(sid)
self.name2gid[name] = gid
self.gid2name[gid] = name
sid += 1
elif format == '\x02':
# Format 2
assert 0
else:
raise ValueError('unsupported charset format: %r' % format)
#print self.code2gid
#print self.name2gid
#assert 0
@ -339,7 +362,7 @@ class TrueTypeFont(object):
self.name = name
self.fp = fp
self.tables = {}
fonttype = fp.read(4)
self.fonttype = fp.read(4)
(ntables, _1, _2, _3) = unpack('>HHHH', fp.read(8))
for _ in xrange(ntables):
(name, tsum, offset, length) = unpack('>4sLLL', fp.read(16))
@ -670,7 +693,9 @@ class PDFCIDFont(PDFFont):
def main(argv):
for fname in argv[1:]:
fp = file(fname, 'rb')
font = TrueTypeFont(fname, fp)
#font = TrueTypeFont(fname, fp)
font = CFFFont(fname, fp)
print font
fp.close()
return