def __init__(self, spec):
firstchar = int_value(spec.get("FirstChar", 0))
lastchar = int_value(spec.get("LastChar", 0))
widths = list_value(spec.get("Widths", [0] * 256))
widths = dict((i + firstchar, w) for (i, w) in enumerate(widths))
if "FontDescriptor" in spec:
descriptor = dict_value(spec["FontDescriptor"])
else:
descriptor = {"FontName": spec.get("Name"), "Ascent": 0, "Descent": 0, "FontBBox": spec["FontBBox"]}
PDFSimpleFont.__init__(self, descriptor, widths, spec)
return
def init_resources(self, resources):
self.fontmap = {}
self.xobjmap = {}
self.csmap = PREDEFINED_COLORSPACE.copy()
# Handle resource declarations.
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]
if resources:
for (k, v) in dict_value(resources).iteritems():
if 1 <= self.debug:
print >> stderr, "Resource: %r: %r" % (k, v)
if k == "Font":
for (fontid, spec) in dict_value(v).iteritems():
objid = None
if isinstance(spec, PDFObjRef):
objid = spec.objid
spec = dict_value(spec)
self.fontmap[fontid] = self.rsrc.get_font(objid, spec)
elif k == "ColorSpace":
for (csid, spec) in dict_value(v).iteritems():
self.csmap[csid] = get_colorspace(resolve1(spec))
elif k == "ProcSet":
self.rsrc.get_procset(list_value(v))
elif k == "XObject":
for (xobjid, xobjstrm) in dict_value(v).iteritems():
self.xobjmap[xobjid] = xobjstrm
return
def __init__(self, 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)
return
def get_font(self, objid, spec):
if objid and objid in self.fonts:
font = self.fonts[objid]
else:
if STRICT:
if spec["Type"] != LITERAL_FONT:
raise PDFFontError("Type is not /Font")
# Create a Font object.
if "Subtype" in spec:
subtype = literal_name(spec["Subtype"])
else:
if STRICT:
raise PDFFontError("Font Subtype is not specified.")
subtype = "Type1"
if subtype in ("Type1", "MMType1"):
# Type1 Font
font = PDFType1Font(spec)
elif subtype == "TrueType":
# TrueType Font
font = PDFTrueTypeFont(spec)
elif subtype == "Type3":
# Type3 Font
font = PDFType3Font(spec)
elif subtype in ("CIDFontType0", "CIDFontType2"):
# CID Font
font = PDFCIDFont(spec)
elif subtype == "Type0":
# Type0 Font
dfonts = list_value(spec["DescendantFonts"])
assert dfonts
subspec = dict_value(dfonts[0]).copy()
for k in ("Encoding", "ToUnicode"):
if k in spec:
subspec[k] = resolve1(spec[k])
font = self.get_font(None, subspec)
else:
if STRICT:
raise PDFFontError("Invalid Font: %r" % spec)
font = PDFType1Font(spec) # this is so wrong!
if objid:
self.fonts[objid] = font
return font
def __init__(self, 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 not specified")
name = "unknown"
try:
self.cmap = CMapDB.get_cmap(name, strict=STRICT)
except CMapDB.CMapNotFound, e:
raise PDFFontError(e)
