class PDFCIDFont(PDFFont):
def __init__(self, rsrcmgr, spec):
try:
self.basefont = literal_name(spec['BaseFont'])
except KeyError:
if STRICT:
raise PDFFontError('BaseFont is missing')
self.basefont = 'unknown'
self.cidsysteminfo = dict_value(spec.get('CIDSystemInfo', {}))
self.cidcoding = '%s-%s' % (self.cidsysteminfo.get(
'Registry',
'unknown'), self.cidsysteminfo.get('Ordering', 'unknown'))
try:
name = literal_name(spec['Encoding'])
except KeyError:
if STRICT:
raise PDFFontError('Encoding is unspecified')
name = 'unknown'
try:
self.cmap = CMapDB.get_cmap(name)
except CMapDB.CMapNotFound, e:
if STRICT:
raise PDFFontError(e)
self.cmap = CMap()
try:
descriptor = dict_value(spec['FontDescriptor'])
except KeyError:
if STRICT:
raise PDFFontError('FontDescriptor is missing')
descriptor = {}
ttf = None
if 'FontFile2' in descriptor:
self.fontfile = stream_value(descriptor.get('FontFile2'))
ttf = TrueTypeFont(self.basefont,
StringIO(self.fontfile.get_data()))
self.unicode_map = None
if 'ToUnicode' in spec:
strm = stream_value(spec['ToUnicode'])
self.unicode_map = FileUnicodeMap()
CMapParser(self.unicode_map, StringIO(strm.get_data())).run()
elif self.cidcoding in ('Adobe-Identity', 'Adobe-UCS'):
if ttf:
try:
self.unicode_map = ttf.create_unicode_map()
except TrueTypeFont.CMapNotFound:
pass
else:
try:
self.unicode_map = CMapDB.get_unicode_map(
self.cidcoding, self.cmap.is_vertical())
except CMapDB.CMapNotFound, e:
pass
def getobj(self, objid):
assert objid != 0
if not self.xrefs:
raise PDFException('PDFDocument is not initialized')
if 2 <= self.debug:
print >>sys.stderr, 'getobj: objid=%r' % (objid)
if objid in self._cached_objs:
(obj, genno) = self._cached_objs[objid]
else:
for xref in self.xrefs:
try:
(strmid, index, genno) = xref.get_pos(objid)
except KeyError:
continue
try:
if strmid is not None:
stream = stream_value(self.getobj(strmid))
obj = self._getobj_objstm(stream, index, objid)
else:
obj = self._getobj_parse(index, objid)
if self.decipher:
obj = decipher_all(self.decipher, objid, genno, obj)
if isinstance(obj, PDFStream):
obj.set_objid(objid, genno)
break
except (PSEOF, PDFSyntaxError):
continue
else:
raise PDFObjectNotFound(objid)
if 2 <= self.debug:
print >>sys.stderr, 'register: objid=%r: %r' % (objid, obj)
if self.caching:
self._cached_objs[objid] = (obj, genno)
return obj
def do_Do(self, xobjid):
xobjid = literal_name(xobjid)
try:
xobj = stream_value(self.xobjmap[xobjid])
except KeyError:
if STRICT:
raise PDFInterpreterError('Undefined xobject id: %r' % xobjid)
return
if 1 <= self.debug:
print >>stderr, 'Processing xobj: %r' % xobj
subtype = xobj.get('Subtype')
if subtype is LITERAL_FORM and 'BBox' in xobj:
interpreter = self.dup()
bbox = list_value(xobj['BBox'])
matrix = list_value(xobj.get('Matrix', MATRIX_IDENTITY))
self.device.begin_figure(xobjid, bbox, matrix)
interpreter.render_contents(dict_value(xobj.get('Resources')), [xobj], ctm=mult_matrix(matrix, self.ctm))
self.device.end_figure(xobjid)
elif subtype is LITERAL_IMAGE and 'Width' in xobj and 'Height' in xobj:
self.device.begin_figure(xobjid, (0,0,1,1), MATRIX_IDENTITY)
self.device.render_image(xobjid, xobj)
self.device.end_figure(xobjid)
else:
# unsupported xobject type.
pass
return
def do_Do(self, xobjid):
xobjid = literal_name(xobjid)
try:
xobj = stream_value(self.xobjmap[xobjid])
except KeyError:
if STRICT:
raise PDFInterpreterError('Undefined xobject id: %r' % xobjid)
return
if 1 <= self.debug:
print >>sys.stderr, 'Processing xobj: %r' % xobj
subtype = xobj.get('Subtype')
if subtype is LITERAL_FORM and 'BBox' in xobj:
interpreter = self.dup()
bbox = list_value(xobj['BBox'])
matrix = list_value(xobj.get('Matrix', MATRIX_IDENTITY))
# According to PDF reference 1.7 section 4.9.1, XObjects in
# earlier PDFs (prior to v1.2) use the page's Resources entry
# instead of having their own Resources entry.
resources = dict_value(xobj.get('Resources')) or self.resources.copy()
self.device.begin_figure(xobjid, bbox, matrix)
interpreter.render_contents(resources, [xobj], ctm=mult_matrix(matrix, self.ctm))
self.device.end_figure(xobjid)
elif subtype is LITERAL_IMAGE and 'Width' in xobj and 'Height' in xobj:
self.device.begin_figure(xobjid, (0,0,1,1), MATRIX_IDENTITY)
self.device.render_image(xobjid, xobj)
self.device.end_figure(xobjid)
else:
# unsupported xobject type.
pass
return
def do_Do(self, xobjid):
xobjid = literal_name(xobjid)
try:
xobj = stream_value(self.xobjmap[xobjid])
except KeyError:
if STRICT:
raise PDFInterpreterError('Undefined xobject id: %r' % xobjid)
return
if 1 <= self.debug:
print >> stderr, 'Processing xobj: %r' % xobj
subtype = xobj.dic.get('Subtype')
if subtype is LITERAL_FORM and 'BBox' in xobj.dic:
interpreter = self.dup()
(x0, y0, x1, y1) = list_value(xobj.dic['BBox'])
ctm = mult_matrix(
list_value(xobj.dic.get('Matrix', MATRIX_IDENTITY)), self.ctm)
(x0, y0) = apply_matrix(ctm, (x0, y0))
(x1, y1) = apply_matrix(ctm, (x1, y1))
bbox = (x0, y0, x1, y1)
self.device.begin_figure(xobjid, bbox)
interpreter.render_contents(dict_value(xobj.dic.get('Resources')),
[xobj],
ctm=ctm)
self.device.end_figure(xobjid)
elif subtype is LITERAL_IMAGE and 'Width' in xobj.dic and 'Height' in xobj.dic:
(x0, y0) = apply_matrix(self.ctm, (0, 0))
(x1, y1) = apply_matrix(self.ctm, (1, 1))
self.device.begin_figure(xobjid, (x0, y0, x1, y1))
(w, h) = (xobj.dic['Width'], xobj.dic['Height'])
self.device.render_image(xobj, (w, h), self.ctm)
self.device.end_figure(xobjid)
else:
# unsupported xobject type.
pass
return
def do_Do(self, xobjid):
xobjid = literal_name(xobjid)
try:
xobj = stream_value(self.xobjmap[xobjid])
except KeyError:
if STRICT:
raise PDFInterpreterError('Undefined xobject id: %r' % xobjid)
return
if 1 <= self.debug:
print >>stderr, 'Processing xobj: %r' % xobj
subtype = xobj.get('Subtype')
if subtype is LITERAL_FORM and 'BBox' in xobj:
interpreter = self.dup()
bbox = list_value(xobj['BBox'])
matrix = list_value(xobj.get('Matrix', MATRIX_IDENTITY))
self.device.begin_figure(xobjid, bbox, matrix)
interpreter.render_contents(dict_value(xobj.get('Resources')), [xobj], ctm=mult_matrix(matrix, self.ctm))
self.device.end_figure(xobjid)
elif subtype is LITERAL_IMAGE and 'Width' in xobj and 'Height' in xobj:
self.device.begin_figure(xobjid, (0,0,1,1), MATRIX_IDENTITY)
self.device.render_image(xobjid, xobj)
self.device.end_figure(xobjid)
else:
# unsupported xobject type.
pass
return
def do_Do(self, xobjid):
xobjid = literal_name(xobjid)
try:
xobj = stream_value(self.xobjmap[xobjid])
except KeyError:
if STRICT:
raise PDFInterpreterError('Undefined xobject id: %r' % xobjid)
return
if 1 <= self.debug:
print >>sys.stderr, 'Processing xobj: %r' % xobj
subtype = xobj.get('Subtype')
if subtype is LITERAL_FORM and 'BBox' in xobj:
interpreter = self.dup()
bbox = list_value(xobj['BBox'])
matrix = list_value(xobj.get('Matrix', MATRIX_IDENTITY))
# According to PDF reference 1.7 section 4.9.1, XObjects in
# earlier PDFs (prior to v1.2) use the page's Resources entry
# instead of having their own Resources entry.
resources = dict_value(xobj.get('Resources')) or self.resources.copy()
self.device.begin_figure(xobjid, bbox, matrix)
interpreter.render_contents(resources, [xobj], ctm=mult_matrix(matrix, self.ctm))
self.device.end_figure(xobjid)
elif subtype is LITERAL_IMAGE and 'Width' in xobj and 'Height' in xobj:
self.device.begin_figure(xobjid, (0,0,1,1), MATRIX_IDENTITY)
self.device.render_image(xobjid, xobj)
self.device.end_figure(xobjid)
else:
# unsupported xobject type.
pass
return
def do_Do(self, xobjid):
xobjid = literal_name(xobjid)
try:
xobj = stream_value(self.xobjmap[xobjid])
except KeyError:
if STRICT:
raise PDFInterpreterError("Undefined xobject id: %r" % xobjid)
return
if 1 <= self.debug:
print >> stderr, "Processing xobj: %r" % xobj
subtype = xobj.dic.get("Subtype")
if subtype is LITERAL_FORM and "BBox" in xobj.dic:
interpreter = self.dup()
(x0, y0, x1, y1) = list_value(xobj.dic["BBox"])
ctm = mult_matrix(list_value(xobj.dic.get("Matrix", MATRIX_IDENTITY)), self.ctm)
(x0, y0) = apply_matrix(ctm, (x0, y0))
(x1, y1) = apply_matrix(ctm, (x1, y1))
bbox = (x0, y0, x1, y1)
self.device.begin_figure(xobjid, bbox)
interpreter.render_contents(dict_value(xobj.dic.get("Resources")), [xobj], ctm=ctm)
self.device.end_figure(xobjid)
elif subtype is LITERAL_IMAGE and "Width" in xobj.dic and "Height" in xobj.dic:
(x0, y0) = apply_matrix(self.ctm, (0, 0))
(x1, y1) = apply_matrix(self.ctm, (1, 1))
self.device.begin_figure(xobjid, (x0, y0, x1, y1))
(w, h) = (xobj.dic["Width"], xobj.dic["Height"])
self.device.render_image(xobj, (w, h), self.ctm)
self.device.end_figure(xobjid)
else:
# unsupported xobject type.
pass
return
def getobj(self, objid):
assert objid != 0
if not self.xrefs:
raise PDFException('PDFDocument is not initialized')
if 2 <= self.debug:
print >> sys.stderr, 'getobj: objid=%r' % (objid)
if objid in self._cached_objs:
(obj, genno) = self._cached_objs[objid]
else:
for xref in self.xrefs:
try:
(strmid, index, genno) = xref.get_pos(objid)
except KeyError:
continue
try:
if strmid is not None:
stream = stream_value(self.getobj(strmid))
obj = self._getobj_objstm(stream, index, objid)
else:
obj = self._getobj_parse(index, objid)
if isinstance(obj, PDFStream):
obj.set_objid(objid, genno)
break
except (PSEOF, PDFSyntaxError):
continue
else:
raise PDFObjectNotFound(objid)
if 2 <= self.debug:
print >> sys.stderr, 'register: objid=%r: %r' % (objid, obj)
if self.caching:
self._cached_objs[objid] = (obj, genno)
if self.decipher:
obj = decipher_all(self.decipher, objid, genno, obj)
return obj
def fillfp(self):
if not self.fp:
if self.istream < len(self.streams):
strm = stream_value(self.streams[self.istream])
self.istream += 1
else:
raise PSEOF('Unexpected EOF, file truncated?')
self.fp = StringIO(strm.get_data())
def fillfp(self):
if not self.fp:
if self.istream < len(self.streams):
strm = stream_value(self.streams[self.istream])
self.istream += 1
else:
raise PSEOF('Unexpected EOF, file truncated?')
self.fp = StringIO(strm.get_data())
return
def get_colorspace(spec):
if isinstance(spec, list):
name = literal_name(spec[0])
else:
name = literal_name(spec)
if name == "ICCBased" and isinstance(spec, list) and 2 <= len(spec):
return ColorSpace(name, stream_value(spec[1]).dic["N"])
elif name == "DeviceN" and isinstance(spec, list) and 2 <= len(spec):
return ColorSpace(name, len(list_value(spec[1])))
else:
return PREDEFINED_COLORSPACE[name]
def get_colorspace(spec):
if isinstance(spec, list):
name = literal_name(spec[0])
else:
name = literal_name(spec)
if name == 'ICCBased' and isinstance(spec, list) and 2 <= len(spec):
return PDFColorSpace(name, stream_value(spec[1])['N'])
elif name == 'DeviceN' and isinstance(spec, list) and 2 <= len(spec):
return PDFColorSpace(name, len(list_value(spec[1])))
else:
return PREDEFINED_COLORSPACE[name]
def get_colorspace(spec):
if isinstance(spec, list):
name = literal_name(spec[0])
else:
name = literal_name(spec)
if name == 'ICCBased' and isinstance(spec, list) and 2 <= len(spec):
return PDFColorSpace(name, stream_value(spec[1])['N'])
elif name == 'DeviceN' and isinstance(spec, list) and 2 <= len(spec):
return PDFColorSpace(name, len(list_value(spec[1])))
else:
return PREDEFINED_COLORSPACE.get(name)
def fillfp(self):
if not self.fp:
if self.istream < len(self.streams):
strm = stream_value(self.streams[self.istream])
self.istream += 1
else:
raise PSEOF('Unexpected EOF, file truncated?')
data = strm.get_data()
if isinstance(data, bytes):
data = data.decode('latin-1')
self.fp = StringIO(data)
return
def load(self, parser, debug=0):
parser.seek(0)
while 1:
try:
(pos, line) = parser.nextline()
except PSEOF:
break
if line.startswith('trailer'):
parser.seek(pos)
self.load_trailer(parser)
if 1 <= debug:
print >> sys.stderr, 'trailer: %r' % self.get_trailer()
break
m = self.PDFOBJ_CUE.match(line)
if not m:
continue
(objid, genno) = m.groups()
objid = int(objid)
genno = int(genno)
self.offsets[objid] = (None, pos, genno)
# expand ObjStm.
parser.seek(pos)
(_, obj) = parser.nextobject()
if isinstance(obj,
PDFStream) and obj.get('Type') is LITERAL_OBJSTM:
stream = stream_value(obj)
try:
n = stream['N']
except KeyError:
if STRICT:
raise PDFSyntaxError('N is not defined: %r' % stream)
n = 0
parser1 = PDFStreamParser(stream.get_data())
objs = []
try:
while 1:
(_, obj) = parser1.nextobject()
objs.append(obj)
except PSEOF:
pass
n = min(n, len(objs) // 2)
for index in xrange(n):
objid1 = objs[index * 2]
self.offsets[objid1] = (objid, index, 0)
return
def load(self, parser, debug=0):
parser.seek(0)
while 1:
try:
(pos, line) = parser.nextline()
except PSEOF:
break
if line.startswith('trailer'):
parser.seek(pos)
self.load_trailer(parser)
if 1 <= debug:
print >>sys.stderr, 'trailer: %r' % self.get_trailer()
break
m = self.PDFOBJ_CUE.match(line)
if not m:
continue
(objid, genno) = m.groups()
objid = int(objid)
genno = int(genno)
self.offsets[objid] = (None, pos, genno)
# expand ObjStm.
parser.seek(pos)
(_, obj) = parser.nextobject()
if isinstance(obj, PDFStream) and obj.get('Type') is LITERAL_OBJSTM:
stream = stream_value(obj)
try:
n = stream['N']
except KeyError:
if STRICT:
raise PDFSyntaxError('N is not defined: %r' % stream)
n = 0
parser1 = PDFStreamParser(stream.get_data())
objs = []
try:
while 1:
(_, obj) = parser1.nextobject()
objs.append(obj)
except PSEOF:
pass
n = min(n, len(objs)//2)
for index in xrange(n):
objid1 = objs[index*2]
self.offsets[objid1] = (objid, index, 0)
return
def __init__(self, descriptor, widths, spec):
# Font encoding is specified either by a name of
# built-in encoding or a dictionary that describes
# the differences.
if 'Encoding' in spec:
encoding = resolve1(spec['Encoding'])
else:
encoding = LITERAL_STANDARD_ENCODING
if isinstance(encoding, dict):
name = literal_name(encoding.get('BaseEncoding', LITERAL_STANDARD_ENCODING))
diff = list_value(encoding.get('Differences', None))
self.cid2unicode = EncodingDB.get_encoding(name, diff)
else:
self.cid2unicode = EncodingDB.get_encoding(literal_name(encoding))
self.unicode_map = None
if 'ToUnicode' in spec:
strm = stream_value(spec['ToUnicode'])
self.unicode_map = FileUnicodeMap()
CMapParser(self.unicode_map, StringIO(strm.get_data())).run()
PDFFont.__init__(self, descriptor, widths)
def __init__(self, descriptor, widths, spec):
# Font encoding is specified either by a name of
# built-in encoding or a dictionary that describes
# the differences.
if 'Encoding' in spec:
encoding = resolve1(spec['Encoding'])
else:
encoding = LITERAL_STANDARD_ENCODING
if isinstance(encoding, dict):
name = literal_name(encoding.get('BaseEncoding', LITERAL_STANDARD_ENCODING))
diff = list_value(encoding.get('Differences', None))
self.cid2unicode = EncodingDB.get_encoding(name, diff)
else:
self.cid2unicode = EncodingDB.get_encoding(literal_name(encoding))
self.unicode_map = None
if 'ToUnicode' in spec:
strm = stream_value(spec['ToUnicode'])
self.unicode_map = FileUnicodeMap()
CMapParser(self.unicode_map, StringIO(strm.get_data())).run()
PDFFont.__init__(self, descriptor, widths)
return
def __init__(self, rsrcmgr, spec):
try:
self.basefont = literal_name(spec['BaseFont'])
except KeyError:
handle_error(PDFFontError, 'BaseFont is missing')
self.basefont = 'unknown'
try:
(descriptor, widths) = FontMetricsDB.get_metrics(self.basefont)
except KeyError:
descriptor = dict_value(spec.get('FontDescriptor', {}))
firstchar = int_value(spec.get('FirstChar', 0))
lastchar = int_value(spec.get('LastChar', 255))
widths = list_value(spec.get('Widths', [0] * 256))
widths = dict((i+firstchar, w) for (i, w) in enumerate(widths))
PDFSimpleFont.__init__(self, descriptor, widths, spec)
if 'Encoding' not in spec and 'FontFile' in descriptor:
# try to recover the missing encoding info from the font file.
self.fontfile = stream_value(descriptor.get('FontFile'))
length1 = int_value(self.fontfile['Length1'])
data = self.fontfile.get_data()[:length1]
parser = Type1FontHeaderParser(StringIO(data))
self.cid2unicode = parser.get_encoding()
def __init__(self, rsrcmgr, spec):
try:
self.basefont = literal_name(spec['BaseFont'])
except KeyError:
if STRICT:
raise PDFFontError('BaseFont is missing')
self.basefont = 'unknown'
try:
(descriptor, widths) = FontMetricsDB.get_metrics(self.basefont)
except KeyError:
descriptor = dict_value(spec.get('FontDescriptor', {}))
firstchar = int_value(spec.get('FirstChar', 0))
lastchar = int_value(spec.get('LastChar', 255))
widths = list_value(spec.get('Widths', [0]*256))
widths = dict( (i+firstchar,w) for (i,w) in enumerate(widths) )
PDFSimpleFont.__init__(self, descriptor, widths, spec)
if 'Encoding' not in spec and 'FontFile' in descriptor:
# try to recover the missing encoding info from the font file.
self.fontfile = stream_value(descriptor.get('FontFile'))
length1 = int_value(self.fontfile['Length1'])
data = self.fontfile.get_data()[:length1]
parser = Type1FontHeaderParser(StringIO(data))
self.cid2unicode = parser.get_encoding()
return
def __init__(self, rsrcmgr, spec):
try:
self.basefont = literal_name(spec["BaseFont"])
except KeyError:
if STRICT:
raise PDFFontError("BaseFont is missing")
self.basefont = "unknown"
try:
(descriptor, widths) = FontMetricsDB.get_metrics(self.basefont)
except KeyError:
descriptor = dict_value(spec.get("FontDescriptor", {}))
firstchar = int_value(spec.get("FirstChar", 0))
lastchar = int_value(spec.get("LastChar", 255))
widths = list_value(spec.get("Widths", [0] * 256))
widths = dict((i + firstchar, w) for (i, w) in enumerate(widths))
PDFSimpleFont.__init__(self, descriptor, widths, spec)
if "Encoding" not in spec and "FontFile" in descriptor:
# try to recover the missing encoding info from the font file.
self.fontfile = stream_value(descriptor.get("FontFile"))
length1 = int_value(self.fontfile["Length1"])
data = self.fontfile.get_data()[:length1]
parser = Type1FontHeaderParser(StringIO(data))
self.cid2unicode = parser.get_encoding()
return
def getobj(self, objid):
if not self.xrefs:
raise PDFException('PDFDocument is not initialized')
if 2 <= self.debug:
print >>sys.stderr, 'getobj: objid=%r' % (objid)
if objid in self._cached_objs:
genno = 0
obj = self._cached_objs[objid]
else:
for xref in self.xrefs:
try:
(strmid, index) = xref.get_pos(objid)
break
except KeyError:
pass
else:
if STRICT:
raise PDFSyntaxError('Cannot locate objid=%r' % objid)
# return null for a nonexistent reference.
return None
if strmid:
stream = stream_value(self.getobj(strmid))
if stream.get('Type') is not LITERAL_OBJSTM:
if STRICT:
raise PDFSyntaxError('Not a stream object: %r' % stream)
try:
n = stream['N']
except KeyError:
if STRICT:
raise PDFSyntaxError('N is not defined: %r' % stream)
n = 0
if strmid in self._parsed_objs:
objs = self._parsed_objs[strmid]
else:
parser = PDFStreamParser(stream.get_data())
parser.set_document(self)
objs = []
try:
while 1:
(_,obj) = parser.nextobject()
objs.append(obj)
except PSEOF:
pass
if self.caching:
self._parsed_objs[strmid] = objs
genno = 0
i = n*2+index
try:
obj = objs[i]
except IndexError:
if STRICT:
raise PDFSyntaxError('Invalid object number: objid=%r' % (objid))
# return None for an invalid object number
return None
if isinstance(obj, PDFStream):
obj.set_objid(objid, 0)
else:
self._parser.seek(index)
(_,objid1) = self._parser.nexttoken() # objid
(_,genno) = self._parser.nexttoken() # genno
(_,kwd) = self._parser.nexttoken()
# #### hack around malformed pdf files
#assert objid1 == objid, (objid, objid1)
if objid1 != objid:
x = []
while kwd is not self.KEYWORD_OBJ:
(_,kwd) = self._parser.nexttoken()
x.append(kwd)
if x:
objid1 = x[-2]
genno = x[-1]
# #### end hack around malformed pdf files
if kwd is not self.KEYWORD_OBJ:
raise PDFSyntaxError('Invalid object spec: offset=%r' % index)
try:
(_,obj) = self._parser.nextobject()
if isinstance(obj, PDFStream):
obj.set_objid(objid, genno)
except PSEOF:
return None
if 2 <= self.debug:
print >>sys.stderr, 'register: objid=%r: %r' % (objid, obj)
if self.caching:
self._cached_objs[objid] = obj
if self.decipher:
obj = decipher_all(self.decipher, objid, genno, obj)
return obj
def __init__(self, rsrcmgr, spec):
try:
self.basefont = literal_name(spec["BaseFont"])
except KeyError:
if STRICT:
raise PDFFontError("BaseFont is missing")
self.basefont = "unknown"
self.cidsysteminfo = dict_value(spec.get("CIDSystemInfo", {}))
self.cidcoding = "%s-%s" % (
self.cidsysteminfo.get("Registry", "unknown"),
self.cidsysteminfo.get("Ordering", "unknown"),
)
try:
name = literal_name(spec["Encoding"])
except KeyError:
if STRICT:
raise PDFFontError("Encoding is unspecified")
name = "unknown"
try:
self.cmap = CMapDB.get_cmap(name)
except CMapDB.CMapNotFound as e:
if STRICT:
raise PDFFontError(e)
self.cmap = CMap()
try:
descriptor = dict_value(spec["FontDescriptor"])
except KeyError:
if STRICT:
raise PDFFontError("FontDescriptor is missing")
descriptor = {}
ttf = None
if "FontFile2" in descriptor:
self.fontfile = stream_value(descriptor.get("FontFile2"))
ttf = TrueTypeFont(self.basefont, StringIO(self.fontfile.get_data()))
self.unicode_map = None
if "ToUnicode" in spec:
strm = stream_value(spec["ToUnicode"])
self.unicode_map = FileUnicodeMap()
CMapParser(self.unicode_map, StringIO(strm.get_data())).run()
elif self.cidcoding in ("Adobe-Identity", "Adobe-UCS"):
if ttf:
try:
self.unicode_map = ttf.create_unicode_map()
except TrueTypeFont.CMapNotFound:
pass
else:
try:
self.unicode_map = CMapDB.get_unicode_map(self.cidcoding, self.cmap.is_vertical())
except CMapDB.CMapNotFound as e:
pass
self.vertical = self.cmap.is_vertical()
if self.vertical:
# writing mode: vertical
widths = get_widths2(list_value(spec.get("W2", [])))
self.disps = dict((cid, (vx, vy)) for (cid, (_, (vx, vy))) in widths.iteritems())
(vy, w) = spec.get("DW2", [880, -1000])
self.default_disp = (None, vy)
widths = dict((cid, w) for (cid, (w, _)) in widths.iteritems())
default_width = w
else:
# writing mode: horizontal
self.disps = {}
self.default_disp = 0
widths = get_widths(list_value(spec.get("W", [])))
default_width = spec.get("DW", 1000)
PDFFont.__init__(self, descriptor, widths, default_width=default_width)
return
def __init__(self, rsrcmgr, spec):
try:
self.basefont = literal_name(spec['BaseFont'])
except KeyError:
if STRICT:
raise PDFFontError('BaseFont is missing')
self.basefont = 'unknown'
self.cidsysteminfo = dict_value(spec.get('CIDSystemInfo', {}))
self.cidcoding = '%s-%s' % (self.cidsysteminfo.get(
'Registry',
'unknown'), self.cidsysteminfo.get('Ordering', 'unknown'))
try:
name = literal_name(spec['Encoding'])
except KeyError:
if STRICT:
raise PDFFontError('Encoding is unspecified')
name = 'unknown'
try:
self.cmap = CMapDB.get_cmap(name)
except CMapDB.CMapNotFound as e:
if STRICT:
raise PDFFontError(e)
self.cmap = CMap()
try:
descriptor = dict_value(spec['FontDescriptor'])
except KeyError:
if STRICT:
raise PDFFontError('FontDescriptor is missing')
descriptor = {}
ttf = None
if 'FontFile2' in descriptor:
self.fontfile = stream_value(descriptor.get('FontFile2'))
ttf = TrueTypeFont(self.basefont,
StringIO(self.fontfile.get_data()))
self.unicode_map = None
if 'ToUnicode' in spec:
strm = stream_value(spec['ToUnicode'])
self.unicode_map = FileUnicodeMap()
CMapParser(self.unicode_map, StringIO(strm.get_data())).run()
elif self.cidcoding == 'Adobe-Identity':
if ttf:
try:
self.unicode_map = ttf.create_unicode_map()
except TrueTypeFont.CMapNotFound:
pass
else:
try:
self.unicode_map = CMapDB.get_unicode_map(
self.cidcoding, self.cmap.is_vertical())
except CMapDB.CMapNotFound as e:
pass
self.vertical = self.cmap.is_vertical()
if self.vertical:
# writing mode: vertical
widths = get_widths2(list_value(spec.get('W2', [])))
self.disps = dict(
(cid, (vx, vy)) for (cid, (_, (vx, vy))) in widths.iteritems())
(vy, w) = spec.get('DW2', [880, -1000])
self.default_disp = (None, vy)
widths = dict((cid, w) for (cid, (w, _)) in widths.iteritems())
default_width = w
else:
# writing mode: horizontal
self.disps = {}
self.default_disp = 0
widths = get_widths(list_value(spec.get('W', [])))
default_width = spec.get('DW', 1000)
PDFFont.__init__(self, descriptor, widths, default_width=default_width)
return
def getobj(self, objid):
if not self.ready:
raise PDFException('PDFDocument not initialized')
#assert self.xrefs
if 2 <= self.debug:
print >>stderr, 'getobj: objid=%r' % (objid)
if objid in self.objs:
genno = 0
obj = self.objs[objid]
else:
for xref in self.xrefs:
try:
(strmid, index) = xref.getpos(objid)
break
except KeyError:
pass
else:
if STRICT:
raise PDFSyntaxError('Cannot locate objid=%r' % objid)
return None
if strmid:
stream = stream_value(self.getobj(strmid))
if stream.dic.get('Type') is not LITERAL_OBJSTM:
if STRICT:
raise PDFSyntaxError('Not a stream object: %r' % stream)
try:
n = stream.dic['N']
except KeyError:
if STRICT:
raise PDFSyntaxError('N is not defined: %r' % stream)
n = 0
if strmid in self.parsed_objs:
objs = self.parsed_objs[stream]
else:
parser = PDFObjStrmParser(self, stream.get_data())
objs = []
try:
while 1:
(_,obj) = parser.nextobject()
objs.append(obj)
except PSEOF:
pass
self.parsed_objs[stream] = objs
genno = 0
i = n*2+index
try:
obj = objs[i]
except IndexError:
raise PDFSyntaxError('Invalid object number: objid=%r' % (objid))
if isinstance(obj, PDFStream):
obj.set_objid(objid, 0)
else:
self.parser.seek(index)
(_,objid1) = self.parser.nexttoken() # objid
(_,genno) = self.parser.nexttoken() # genno
#assert objid1 == objid, (objid, objid1)
(_,kwd) = self.parser.nexttoken()
if kwd is not self.KEYWORD_OBJ:
raise PDFSyntaxError('Invalid object spec: offset=%r' % index)
(_,obj) = self.parser.nextobject()
if isinstance(obj, PDFStream):
obj.set_objid(objid, genno)
if 2 <= self.debug:
print >>stderr, 'register: objid=%r: %r' % (objid, obj)
self.objs[objid] = obj
if self.decipher:
obj = decipher_all(self.decipher, objid, genno, obj)
return obj
def __init__(self, rsrcmgr, spec):
try:
self.basefont = literal_name(spec['BaseFont'])
except KeyError:
if STRICT:
raise PDFFontError('BaseFont is missing')
self.basefont = 'unknown'
self.cidsysteminfo = dict_value(spec.get('CIDSystemInfo', {}))
self.cidcoding = '%s-%s' % (self.cidsysteminfo.get('Registry', 'unknown'),
self.cidsysteminfo.get('Ordering', 'unknown'))
try:
name = literal_name(spec['Encoding'])
except KeyError:
if STRICT:
raise PDFFontError('Encoding is unspecified')
name = 'unknown'
try:
self.cmap = CMapDB.get_cmap(name)
except CMapDB.CMapNotFound as e:
if STRICT:
raise PDFFontError(e)
self.cmap = CMap()
try:
descriptor = dict_value(spec['FontDescriptor'])
except KeyError:
if STRICT:
raise PDFFontError('FontDescriptor is missing')
descriptor = {}
ttf = None
if 'FontFile2' in descriptor:
self.fontfile = stream_value(descriptor.get('FontFile2'))
ttf = TrueTypeFont(self.basefont,
StringIO(self.fontfile.get_data()))
self.unicode_map = None
if 'ToUnicode' in spec:
strm = stream_value(spec['ToUnicode'])
self.unicode_map = FileUnicodeMap()
CMapParser(self.unicode_map, StringIO(strm.get_data())).run()
elif self.cidcoding == 'Adobe-Identity':
if ttf:
try:
self.unicode_map = ttf.create_unicode_map()
except TrueTypeFont.CMapNotFound:
pass
else:
try:
self.unicode_map = CMapDB.get_unicode_map(self.cidcoding, self.cmap.is_vertical())
except CMapDB.CMapNotFound as e:
pass
self.vertical = self.cmap.is_vertical()
if self.vertical:
# writing mode: vertical
widths = get_widths2(list_value(spec.get('W2', [])))
self.disps = dict( (cid,(vx,vy)) for (cid,(_,(vx,vy))) in widths.iteritems() )
(vy,w) = spec.get('DW2', [880, -1000])
self.default_disp = (None,vy)
widths = dict( (cid,w) for (cid,(w,_)) in widths.iteritems() )
default_width = w
else:
# writing mode: horizontal
self.disps = {}
self.default_disp = 0
widths = get_widths(list_value(spec.get('W', [])))
default_width = spec.get('DW', 1000)
PDFFont.__init__(self, descriptor, widths, default_width=default_width)
return
def metadata(self):
"""Return a dictionary of metadata parsed from embedded XMP"""
meta = {}
if 'Metadata' in self.catalog:
meta = xmpparse(stream_value(self.catalog['Metadata']).get_data())
return meta