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https://github.com/kovidgoyal/calibre.git
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pep8
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Kovid Goyal
parent
db6d0dd2cb
commit
4777eeacef
@ -29,6 +29,7 @@ real_nibbles = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
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'.', 'E', 'E-', None, '-']
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real_nibbles_map = {x:i for i, x in enumerate(real_nibbles)}
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class ByteCode(dict):
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def read_byte(self, b0, data, index):
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@ -97,20 +98,20 @@ class ByteCode(dict):
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def write_int(self, value, encoding="cff"):
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four_byte_op = {'cff':29, 't1':255}.get(encoding, None)
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if -107 <= value <= 107:
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code = bytes(bytearray([value + 139]))
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elif 108 <= value <= 1131:
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value = value - 108
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code = bytes(bytearray([(value >> 8) + 247, (value & 0xFF)]))
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elif -1131 <= value <= -108:
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value = -value - 108
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code = bytes(bytearray([(value >> 8) + 251, (value & 0xFF)]))
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elif four_byte_op is None:
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# T2 only supports 2 byte ints
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if -107 <= value <= 107:
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code = bytes(bytearray([value + 139]))
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elif 108 <= value <= 1131:
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value = value - 108
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code = bytes(bytearray([(value >> 8) + 247, (value & 0xFF)]))
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elif -1131 <= value <= -108:
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value = -value - 108
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code = bytes(bytearray([(value >> 8) + 251, (value & 0xFF)]))
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elif four_byte_op is None:
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# T2 only supports 2 byte ints
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code = bytes(bytearray([28])) + pack(b">h", value)
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else:
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code = bytes(bytearray([four_byte_op])) + pack(b">l", value)
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return code
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else:
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code = bytes(bytearray([four_byte_op])) + pack(b">l", value)
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return code
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def write_offset(self, value):
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return bytes(bytearray([29])) + pack(b">l", value)
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@ -119,6 +120,7 @@ class ByteCode(dict):
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f = self.write_float if isinstance(value, float) else self.write_int
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return f(value, encoding)
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class Dict(ByteCode):
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operand_encoding = cff_dict_operand_encoding
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@ -149,47 +151,47 @@ class Dict(ByteCode):
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if value is not None:
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self.stack.append(value)
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def do_operator(self, b0, data, index):
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if b0 == 12:
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op = (b0, ord(data[index]))
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index += 1
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else:
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op = b0
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operator, arg_type = self.operators[op]
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self.handle_operator(operator, arg_type)
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return None, index
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def do_operator(self, b0, data, index):
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if b0 == 12:
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op = (b0, ord(data[index]))
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index += 1
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else:
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op = b0
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operator, arg_type = self.operators[op]
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self.handle_operator(operator, arg_type)
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return None, index
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def handle_operator(self, operator, arg_type):
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def handle_operator(self, operator, arg_type):
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if isinstance(arg_type, tuple):
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value = ()
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for i in xrange(len(arg_type)-1, -1, -1):
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arg = arg_type[i]
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arghandler = getattr(self, 'arg_' + arg)
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value = (arghandler(operator),) + value
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else:
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arghandler = getattr(self, 'arg_' + arg_type)
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value = arghandler(operator)
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self[operator] = value
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value = ()
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for i in xrange(len(arg_type)-1, -1, -1):
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arg = arg_type[i]
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arghandler = getattr(self, 'arg_' + arg)
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value = (arghandler(operator),) + value
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else:
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arghandler = getattr(self, 'arg_' + arg_type)
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value = arghandler(operator)
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self[operator] = value
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def arg_number(self, name):
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return self.stack.pop()
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def arg_number(self, name):
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return self.stack.pop()
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def arg_SID(self, name):
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return self.strings[self.stack.pop()]
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def arg_SID(self, name):
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return self.strings[self.stack.pop()]
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def arg_array(self, name):
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def arg_array(self, name):
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ans = self.stack[:]
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del self.stack[:]
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return ans
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def arg_delta(self, name):
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out = []
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current = 0
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for v in self.stack:
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current = current + v
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out.append(current)
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def arg_delta(self, name):
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out = []
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current = 0
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for v in self.stack:
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current = current + v
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out.append(current)
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del self.stack[:]
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return out
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return out
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def compile(self, strings):
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data = []
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@ -227,52 +229,53 @@ class Dict(ByteCode):
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def encode_array(self, val):
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return b''.join(map(self.encode_number, val))
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def encode_delta(self, value):
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out = []
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last = 0
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for v in value:
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out.append(v - last)
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last = v
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def encode_delta(self, value):
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out = []
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last = 0
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for v in value:
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out.append(v - last)
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last = v
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return self.encode_array(out)
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class TopDict(Dict):
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TABLE = (
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#opcode name argument type default
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((12, 30), 'ROS', ('SID','SID','number'), None, ),
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((12, 20), 'SyntheticBase', 'number', None, ),
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(0, 'version', 'SID', None, ),
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(1, 'Notice', 'SID', None, ),
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((12, 0), 'Copyright', 'SID', None, ),
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(2, 'FullName', 'SID', None, ),
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((12, 38), 'FontName', 'SID', None, ),
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(3, 'FamilyName', 'SID', None, ),
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(4, 'Weight', 'SID', None, ),
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((12, 1), 'isFixedPitch', 'number', 0, ),
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((12, 2), 'ItalicAngle', 'number', 0, ),
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((12, 3), 'UnderlinePosition', 'number', None, ),
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((12, 4), 'UnderlineThickness', 'number', 50, ),
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((12, 5), 'PaintType', 'number', 0, ),
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((12, 6), 'CharstringType', 'number', 2, ),
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((12, 7), 'FontMatrix', 'array', [0.001,0,0,0.001,0,0], ),
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(13, 'UniqueID', 'number', None, ),
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(5, 'FontBBox', 'array', [0,0,0,0], ),
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((12, 8), 'StrokeWidth', 'number', 0, ),
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(14, 'XUID', 'array', None, ),
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((12, 21), 'PostScript', 'SID', None, ),
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((12, 22), 'BaseFontName', 'SID', None, ),
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((12, 23), 'BaseFontBlend', 'delta', None, ),
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((12, 31), 'CIDFontVersion', 'number', 0, ),
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((12, 32), 'CIDFontRevision', 'number', 0, ),
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((12, 33), 'CIDFontType', 'number', 0, ),
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((12, 34), 'CIDCount', 'number', 8720, ),
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(15, 'charset', 'number', 0, ),
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((12, 35), 'UIDBase', 'number', None, ),
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(16, 'Encoding', 'number', 0, ),
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(18, 'Private', ('number','number'), None, ),
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((12, 37), 'FDSelect', 'number', None, ),
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((12, 36), 'FDArray', 'number', None, ),
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(17, 'CharStrings', 'number', None, ),
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# opcode name argument type default
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((12, 30), 'ROS', ('SID','SID','number'), None,),
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((12, 20), 'SyntheticBase', 'number', None,),
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(0, 'version', 'SID', None,),
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(1, 'Notice', 'SID', None,),
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((12, 0), 'Copyright', 'SID', None,),
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(2, 'FullName', 'SID', None,),
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((12, 38), 'FontName', 'SID', None,),
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(3, 'FamilyName', 'SID', None,),
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(4, 'Weight', 'SID', None,),
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((12, 1), 'isFixedPitch', 'number', 0,),
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((12, 2), 'ItalicAngle', 'number', 0,),
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((12, 3), 'UnderlinePosition', 'number', None,),
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((12, 4), 'UnderlineThickness', 'number', 50,),
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((12, 5), 'PaintType', 'number', 0,),
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((12, 6), 'CharstringType', 'number', 2,),
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((12, 7), 'FontMatrix', 'array', [0.001,0,0,0.001,0,0],),
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(13, 'UniqueID', 'number', None,),
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(5, 'FontBBox', 'array', [0,0,0,0],),
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((12, 8), 'StrokeWidth', 'number', 0,),
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(14, 'XUID', 'array', None,),
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((12, 21), 'PostScript', 'SID', None,),
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((12, 22), 'BaseFontName', 'SID', None,),
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((12, 23), 'BaseFontBlend', 'delta', None,),
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((12, 31), 'CIDFontVersion', 'number', 0,),
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((12, 32), 'CIDFontRevision', 'number', 0,),
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((12, 33), 'CIDFontType', 'number', 0,),
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((12, 34), 'CIDCount', 'number', 8720,),
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(15, 'charset', 'number', 0,),
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((12, 35), 'UIDBase', 'number', None,),
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(16, 'Encoding', 'number', 0,),
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(18, 'Private', ('number','number'), None,),
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((12, 37), 'FDSelect', 'number', None,),
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((12, 36), 'FDArray', 'number', None,),
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(17, 'CharStrings', 'number', None,),
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)
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# We will not write these operators out
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@ -281,31 +284,31 @@ class TopDict(Dict):
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'UIDBase', 'Encoding', 'FDSelect', 'FDArray'}
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OFFSETS = {'charset', 'Encoding', 'CharStrings', 'Private'}
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class PrivateDict(Dict):
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TABLE = (
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# opcode name argument type default
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(6, 'BlueValues', 'delta', None, ),
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(7, 'OtherBlues', 'delta', None, ),
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(8, 'FamilyBlues', 'delta', None, ),
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(9, 'FamilyOtherBlues', 'delta', None, ),
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((12, 9), 'BlueScale', 'number', 0.039625, ),
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((12, 10), 'BlueShift', 'number', 7, ),
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((12, 11), 'BlueFuzz', 'number', 1, ),
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(10, 'StdHW', 'number', None, ),
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(11, 'StdVW', 'number', None, ),
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((12, 12), 'StemSnapH', 'delta', None, ),
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((12, 13), 'StemSnapV', 'delta', None, ),
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((12, 14), 'ForceBold', 'number', 0, ),
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((12, 15), 'ForceBoldThreshold', 'number', None, ), # deprecated
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((12, 16), 'lenIV', 'number', None, ), # deprecated
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((12, 17), 'LanguageGroup', 'number', 0, ),
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((12, 18), 'ExpansionFactor', 'number', 0.06, ),
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((12, 19), 'initialRandomSeed', 'number', 0, ),
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(20, 'defaultWidthX', 'number', 0, ),
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(21, 'nominalWidthX', 'number', 0, ),
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(19, 'Subrs', 'number', None, ),
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# opcode name argument type default
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(6, 'BlueValues', 'delta', None,),
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(7, 'OtherBlues', 'delta', None,),
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(8, 'FamilyBlues', 'delta', None,),
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(9, 'FamilyOtherBlues', 'delta', None,),
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((12, 9), 'BlueScale', 'number', 0.039625,),
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((12, 10), 'BlueShift', 'number', 7,),
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((12, 11), 'BlueFuzz', 'number', 1,),
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(10, 'StdHW', 'number', None,),
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(11, 'StdVW', 'number', None,),
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((12, 12), 'StemSnapH', 'delta', None,),
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((12, 13), 'StemSnapV', 'delta', None,),
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((12, 14), 'ForceBold', 'number', 0,),
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((12, 15), 'ForceBoldThreshold', 'number', None,), # deprecated
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((12, 16), 'lenIV', 'number', None,), # deprecated
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((12, 17), 'LanguageGroup', 'number', 0,),
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((12, 18), 'ExpansionFactor', 'number', 0.06,),
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((12, 19), 'initialRandomSeed', 'number', 0,),
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(20, 'defaultWidthX', 'number', 0,),
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(21, 'nominalWidthX', 'number', 0,),
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(19, 'Subrs', 'number', None,),
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)
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OFFSETS = {'Subrs'}
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