moved some stuff to cffLib
git-svn-id: svn://svn.code.sf.net/p/fonttools/code/trunk@225 4cde692c-a291-49d1-8350-778aa11640f8
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jvr
parent
0b63b28615
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dbc2c173b3
@ -1,7 +1,7 @@
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"""cffLib.py -- read/write tools for Adobe CFF fonts."""
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#
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# $Id: cffLib.py,v 1.7 2002-05-13 11:24:43 jvr Exp $
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# $Id: cffLib.py,v 1.8 2002-05-13 16:19:37 jvr Exp $
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#
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import struct, sstruct
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@ -10,6 +10,115 @@ import types
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from fontTools.misc import psCharStrings
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topDictOperators = [
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# opcode name argument type
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(0, 'version', 'SID'),
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(1, 'Notice', 'SID'),
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(2, 'FullName', 'SID'),
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(3, 'FamilyName', 'SID'),
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(4, 'Weight', 'SID'),
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(5, 'FontBBox', 'array'),
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(13, 'UniqueID', 'number'),
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(14, 'XUID', 'array'),
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(15, 'charset', 'number'),
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(16, 'Encoding', 'number'),
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(17, 'CharStrings', 'number'),
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(18, 'Private', ('number', 'number')),
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((12, 0), 'Copyright', 'SID'),
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((12, 1), 'isFixedPitch', 'number'),
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((12, 2), 'ItalicAngle', 'number'),
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((12, 3), 'UnderlinePosition', 'number'),
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((12, 4), 'UnderlineThickness', 'number'),
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((12, 5), 'PaintType', 'number'),
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((12, 6), 'CharstringType', 'number'),
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((12, 7), 'FontMatrix', 'array'),
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((12, 8), 'StrokeWidth', 'number'),
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((12, 20), 'SyntheticBase', 'number'),
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((12, 21), 'PostScript', 'SID'),
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((12, 22), 'BaseFontName', 'SID'),
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# CID additions
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((12, 30), 'ROS', ('SID', 'SID', 'number')),
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((12, 31), 'CIDFontVersion', 'number'),
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((12, 32), 'CIDFontRevision', 'number'),
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((12, 33), 'CIDFontType', 'number'),
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((12, 34), 'CIDCount', 'number'),
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((12, 35), 'UIDBase', 'number'),
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((12, 36), 'FDArray', 'number'),
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((12, 37), 'FDSelect', 'number'),
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((12, 38), 'FontName', 'SID'),
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# MM, Chameleon. Pft.
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]
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topDictDefaults = {
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'isFixedPitch': 0,
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'ItalicAngle': 0,
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'UnderlineThickness': 50,
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'PaintType': 0,
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'CharstringType': 2,
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'FontMatrix': [0.001, 0, 0, 0.001, 0, 0],
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'FontBBox': [0, 0, 0, 0],
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'StrokeWidth': 0,
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'charset': 0,
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'Encoding': 0,
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# CID defaults
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'CIDFontVersion': 0,
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'CIDFontRevision': 0,
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'CIDFontType': 0,
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'CIDCount': 8720,
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}
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class TopDictDecompiler(psCharStrings.DictDecompiler):
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operators = psCharStrings.buildOperatorDict(topDictOperators)
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dictDefaults = topDictDefaults
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privateDictOperators = [
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# opcode name argument type
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(6, 'BlueValues', 'array'),
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(7, 'OtherBlues', 'array'),
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(8, 'FamilyBlues', 'array'),
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(9, 'FamilyOtherBlues', 'array'),
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(10, 'StdHW', 'number'),
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(11, 'StdVW', 'number'),
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(19, 'Subrs', 'number'),
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(20, 'defaultWidthX', 'number'),
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(21, 'nominalWidthX', 'number'),
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((12, 9), 'BlueScale', 'number'),
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((12, 10), 'BlueShift', 'number'),
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((12, 11), 'BlueFuzz', 'number'),
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((12, 12), 'StemSnapH', 'array'),
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((12, 13), 'StemSnapV', 'array'),
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((12, 14), 'ForceBold', 'number'),
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((12, 15), 'ForceBoldThreshold', 'number'),
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((12, 16), 'lenIV', 'number'),
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((12, 17), 'LanguageGroup', 'number'),
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((12, 18), 'ExpansionFactor', 'number'),
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((12, 19), 'initialRandomSeed', 'number'),
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]
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privateDictDefaults = {
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'defaultWidthX': 0,
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'nominalWidthX': 0,
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'BlueScale': 0.039625,
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'BlueShift': 7,
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'BlueFuzz': 1,
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'ForceBold': 0,
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'ForceBoldThreshold': 0,
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'lenIV': -1,
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'LanguageGroup': 0,
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'ExpansionFactor': 0.06,
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'initialRandomSeed': 0,
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}
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class PrivateDictDecompiler(psCharStrings.DictDecompiler):
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operators = psCharStrings.buildOperatorDict(privateDictOperators)
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dictDefaults = privateDictDefaults
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cffHeaderFormat = """
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major: B
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minor: B
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@ -31,14 +140,12 @@ class CFFFontSet:
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topDicts = readINDEX(file)
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strings = IndexedStrings(readINDEX(file))
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globalSubrs = readINDEX(file)
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self.GlobalSubrs = map(psCharStrings.T2CharString, globalSubrs)
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file.seek(0, 0)
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for i in range(len(topDicts)):
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font = self.fonts[self.fontNames[i]] = CFFFont()
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font.GlobalSubrs = self.GlobalSubrs # Hmm.
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file.seek(0, 0)
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font.decompile(file, topDicts[i], strings, self) # maybe only 'on demand'?
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def compile(self):
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@ -110,7 +217,7 @@ class IndexedStrings:
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class CFFFont:
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defaults = psCharStrings.topDictDefaults
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defaults = topDictDefaults
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def __init__(self):
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pass
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@ -135,7 +242,7 @@ class CFFFont:
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raise NotImplementedError
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def decompile(self, file, topDictData, strings, fontSet):
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top = psCharStrings.TopDictDecompiler(strings)
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top = TopDictDecompiler(strings)
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top.decompile(topDictData)
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self.fromDict(top.getDict())
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@ -290,13 +397,13 @@ class CFFFont:
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class PrivateDict:
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defaults = psCharStrings.privateDictDefaults
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defaults = privateDictDefaults
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def __init__(self):
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pass
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def decompile(self, data, privateData, strings):
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p = psCharStrings.PrivateDictDecompiler(strings)
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p = PrivateDictDecompiler(strings)
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p.decompile(privateData)
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self.fromDict(p.getDict())
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@ -71,7 +71,7 @@ class ByteCodeDecompilerBase:
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return string.atof(number), index
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def _buildOperatorDict(operatorList):
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def buildOperatorDict(operatorList):
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dict = {}
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for item in operatorList:
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if len(item) == 2:
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@ -139,7 +139,7 @@ t2Operators = [
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class T2CharString(ByteCodeDecompilerBase):
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operandEncoding = t2OperandEncoding
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operators = _buildOperatorDict(t2Operators)
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operators = buildOperatorDict(t2Operators)
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def __init__(self, bytecode=None, program=None):
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if program is None:
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@ -259,7 +259,7 @@ t1Operators = [
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class T1CharString(T2CharString):
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operandEncoding = t1OperandEncoding
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operators = _buildOperatorDict(t1Operators)
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operators = buildOperatorDict(t1Operators)
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def decompile(self):
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if self.program is not None:
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@ -860,113 +860,6 @@ class DictDecompiler(ByteCodeDecompilerBase):
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return self.popall()
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topDictOperators = [
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# opcode name argument type
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(0, 'version', 'SID'),
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(1, 'Notice', 'SID'),
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(2, 'FullName', 'SID'),
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(3, 'FamilyName', 'SID'),
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(4, 'Weight', 'SID'),
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(5, 'FontBBox', 'array'),
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(13, 'UniqueID', 'number'),
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(14, 'XUID', 'array'),
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(15, 'charset', 'number'),
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(16, 'Encoding', 'number'),
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(17, 'CharStrings', 'number'),
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(18, 'Private', ('number', 'number')),
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((12, 0), 'Copyright', 'SID'),
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((12, 1), 'isFixedPitch', 'number'),
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((12, 2), 'ItalicAngle', 'number'),
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((12, 3), 'UnderlinePosition', 'number'),
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((12, 4), 'UnderlineThickness', 'number'),
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((12, 5), 'PaintType', 'number'),
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((12, 6), 'CharstringType', 'number'),
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((12, 7), 'FontMatrix', 'array'),
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((12, 8), 'StrokeWidth', 'number'),
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((12, 20), 'SyntheticBase', 'number'),
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((12, 21), 'PostScript', 'SID'),
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((12, 22), 'BaseFontName', 'SID'),
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# CID additions
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((12, 30), 'ROS', ('SID', 'SID', 'number')),
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((12, 31), 'CIDFontVersion', 'number'),
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((12, 32), 'CIDFontRevision', 'number'),
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((12, 33), 'CIDFontType', 'number'),
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((12, 34), 'CIDCount', 'number'),
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((12, 35), 'UIDBase', 'number'),
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((12, 36), 'FDArray', 'number'),
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((12, 37), 'FDSelect', 'number'),
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((12, 38), 'FontName', 'SID'),
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# MM, Chameleon. Pft.
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]
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topDictDefaults = {
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'isFixedPitch': 0,
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'ItalicAngle': 0,
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'UnderlineThickness': 50,
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'PaintType': 0,
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'CharstringType': 2,
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'FontMatrix': [0.001, 0, 0, 0.001, 0, 0],
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'FontBBox': [0, 0, 0, 0],
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'StrokeWidth': 0,
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'charset': 0,
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'Encoding': 0,
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# CID defaults
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'CIDFontVersion': 0,
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'CIDFontRevision': 0,
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'CIDFontType': 0,
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'CIDCount': 8720,
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}
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class TopDictDecompiler(DictDecompiler):
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operators = _buildOperatorDict(topDictOperators)
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dictDefaults = topDictDefaults
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privateDictOperators = [
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# opcode name argument type
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(6, 'BlueValues', 'array'),
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(7, 'OtherBlues', 'array'),
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(8, 'FamilyBlues', 'array'),
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(9, 'FamilyOtherBlues', 'array'),
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(10, 'StdHW', 'number'),
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(11, 'StdVW', 'number'),
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(19, 'Subrs', 'number'),
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(20, 'defaultWidthX', 'number'),
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(21, 'nominalWidthX', 'number'),
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((12, 9), 'BlueScale', 'number'),
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((12, 10), 'BlueShift', 'number'),
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((12, 11), 'BlueFuzz', 'number'),
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((12, 12), 'StemSnapH', 'array'),
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((12, 13), 'StemSnapV', 'array'),
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((12, 14), 'ForceBold', 'number'),
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((12, 15), 'ForceBoldThreshold', 'number'),
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((12, 16), 'lenIV', 'number'),
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((12, 17), 'LanguageGroup', 'number'),
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((12, 18), 'ExpansionFactor', 'number'),
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((12, 19), 'initialRandomSeed', 'number'),
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]
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privateDictDefaults = {
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'defaultWidthX': 0,
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'nominalWidthX': 0,
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'BlueScale': 0.039625,
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'BlueShift': 7,
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'BlueFuzz': 1,
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'ForceBold': 0,
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'ForceBoldThreshold': 0,
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'lenIV': -1,
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'LanguageGroup': 0,
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'ExpansionFactor': 0.06,
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'initialRandomSeed': 0,
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}
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class PrivateDictDecompiler(DictDecompiler):
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operators = _buildOperatorDict(privateDictOperators)
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dictDefaults = privateDictDefaults
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def calcSubrBias(subrs):
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nSubrs = len(subrs)
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if nSubrs < 1240:
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