109 lines
3.9 KiB
Python
109 lines
3.9 KiB
Python
from fontTools.misc.py23 import *
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from fontTools.misc.testTools import FakeFont, getXML, parseXML
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from fontTools.misc.textTools import deHexStr, hexStr
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from fontTools.ttLib import newTable
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import unittest
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# Example: Format 0 Ligature Caret Table
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# https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6lcar.html
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LCAR_FORMAT_0_DATA = deHexStr(
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'0001 0000 0000 ' # 0: Version=1.0, Format=0
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'0006 0004 0002 ' # 6: LookupFormat=6, UnitSize=4, NUnits=2
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'0008 0001 0000 ' # 12: SearchRange=8, EntrySelector=1, RangeShift=0
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'0001 001E ' # 18: Glyph=1 (f_r), OffsetOfLigCaretEntry=30
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'0003 0022 ' # 22: Glyph=3 (f_f_l), OffsetOfLigCaretEntry=34
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'FFFF 0000 ' # 26: Glyph=<end>, OffsetOfLigCaretEntry=0
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'0001 00DC ' # 30: DivisionPointCount=1, DivisionPoint=[220]
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'0002 00EF 01D8 ' # 34: DivisionPointCount=2, DivisionPoint=[239, 475]
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) # 40: <end>
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assert(len(LCAR_FORMAT_0_DATA) == 40)
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LCAR_FORMAT_0_XML = [
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'<Version value="0x00010000"/>',
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'<LigatureCarets Format="0">',
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' <Carets>',
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' <Lookup glyph="f_f_l">',
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' <!-- DivsionPointCount=2 -->',
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' <DivisionPoint index="0" value="239"/>',
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' <DivisionPoint index="1" value="472"/>',
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' </Lookup>',
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' <Lookup glyph="f_r">',
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' <!-- DivsionPointCount=1 -->',
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' <DivisionPoint index="0" value="220"/>',
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' </Lookup>',
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' </Carets>',
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'</LigatureCarets>',
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]
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# Example: Format 1 Ligature Caret Table
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# https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6lcar.html
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LCAR_FORMAT_1_DATA = deHexStr(
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'0001 0000 0001 ' # 0: Version=1.0, Format=1
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'0006 0004 0002 ' # 6: LookupFormat=6, UnitSize=4, NUnits=2
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'0008 0001 0000 ' # 12: SearchRange=8, EntrySelector=1, RangeShift=0
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'0001 001E ' # 18: Glyph=1 (f_r), OffsetOfLigCaretEntry=30
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'0003 0022 ' # 22: Glyph=3 (f_f_l), OffsetOfLigCaretEntry=34
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'FFFF 0000 ' # 26: Glyph=<end>, OffsetOfLigCaretEntry=0
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'0001 0032 ' # 30: DivisionPointCount=1, DivisionPoint=[50]
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'0002 0037 004B ' # 34: DivisionPointCount=2, DivisionPoint=[55, 75]
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) # 40: <end>
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assert(len(LCAR_FORMAT_1_DATA) == 40)
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LCAR_FORMAT_1_XML = [
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'<Version value="0x00010000"/>',
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'<LigatureCarets Format="1">',
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' <Carets>',
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' <Lookup glyph="f_f_l">',
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' <!-- DivsionPointCount=2 -->',
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' <DivisionPoint index="0" value="55"/>',
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' <DivisionPoint index="1" value="75"/>',
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' </Lookup>',
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' <Lookup glyph="f_r">',
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' <!-- DivsionPointCount=1 -->',
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' <DivisionPoint index="0" value="50"/>',
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' </Lookup>',
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' </Carets>',
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'</LigatureCarets>',
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]
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class LCARTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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cls.maxDiff = None
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cls.font = FakeFont(['.notdef', 'f_r', 'X', 'f_f_l'])
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def test_decompile_toXML_format0(self):
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table = newTable('lcar')
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table.decompile(LCAR_FORMAT_0_DATA, self.font)
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self.assertEqual(getXML(table.toXML), LCAR_FORMAT_0_XML)
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def test_compile_fromXML_format0(self):
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table = newTable('lcar')
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for name, attrs, content in parseXML(LCAR_FORMAT_0_XML):
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table.fromXML(name, attrs, content, font=self.font)
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self.assertEqual(hexStr(table.compile(self.font)),
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hexStr(LCAR_FORMAT_0_DATA))
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def test_decompile_toXML_format1(self):
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table = newTable('lcar')
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table.decompile(LCAR_FORMAT_1_DATA, self.font)
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self.assertEqual(getXML(table.toXML), LCAR_FORMAT_1_XML)
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def test_compile_fromXML_format1(self):
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table = newTable('lcar')
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for name, attrs, content in parseXML(LCAR_FORMAT_1_XML):
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table.fromXML(name, attrs, content, font=self.font)
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self.assertEqual(hexStr(table.compile(self.font)),
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hexStr(LCAR_FORMAT_1_DATA))
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if __name__ == '__main__':
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import sys
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sys.exit(unittest.main())
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