fix PSTypeError and encoding cmap

PR: euske/pdfminer#179

.gitignore

@@ -0,0 +1 @@
+.idea/

pdfminer/cmapdb.py

@@ -247,6 +247,10 @@ def get_cmap(klass, name):
             return IdentityCMap(WMode=0)
         elif name == 'Identity-V':
             return IdentityCMap(WMode=1)
+        elif name == 'OneByteIdentityH':
+            return IdentityCMapByte(WMode=0)
+        elif name == 'OneByteIdentityV':
+            return IdentityCMapByte(WMode=1)
         try:
             return klass._cmap_cache[name]
         except KeyError:
@@ -560,6 +564,17 @@ def dump_unicodemap(self, fp):
         fp.write(marshal.dumps(data))
         return
 
+
+class IdentityCMapByte(IdentityCMap):
+
+    def decode(self, code):
+        n = len(code)
+        if n:
+            return struct.unpack('>%dB' % n, code)
+        else:
+            return ()
+
+
 # convert_cmap
 def convert_cmap(outdir, regname, enc2codec, paths):
     converter = CMapConverter(enc2codec)

pdfminer/pdffont.py

@@ -643,7 +643,11 @@ def __init__(self, rsrcmgr, spec):
         ordering = bytes_value(self.cidsysteminfo.get('Ordering', b'unknown'))
         self.cidcoding = (registry + b'-' + ordering).decode('ascii')
         try:
-            name = literal_name(spec['Encoding'])
+            spec_encoding = spec['Encoding']
+            if hasattr(spec_encoding, 'name'):
+                name = literal_name(spec['Encoding'])
+            else:
+                name = literal_name(spec_encoding['CMapName'])
         except KeyError:
             if STRICT:
                 raise PDFFontError('Encoding is unspecified')