1 from __future__ import print_function, division, absolute_import 2 from fontTools.misc.py23 import * 3 from fontTools.misc.testTools import FakeFont, getXML, parseXML 4 from fontTools.misc.textTools import deHexStr, hexStr 5 from fontTools.ttLib import newTable 6 import unittest 7 8 9 # Example: Format 0 Ligature Caret Table 10 # https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6lcar.html 11 LCAR_FORMAT_0_DATA = deHexStr( 12 '0001 0000 0000 ' # 0: Version=1.0, Format=0 13 '0006 0004 0002 ' # 6: LookupFormat=6, UnitSize=4, NUnits=2 14 '0008 0001 0000 ' # 12: SearchRange=8, EntrySelector=1, RangeShift=0 15 '0001 001E ' # 18: Glyph=1 (f_r), OffsetOfLigCaretEntry=30 16 '0003 0022 ' # 22: Glyph=3 (f_f_l), OffsetOfLigCaretEntry=34 17 'FFFF 0000 ' # 26: Glyph=<end>, OffsetOfLigCaretEntry=0 18 '0001 00DC ' # 30: DivisionPointCount=1, DivisionPoint=[220] 19 '0002 00EF 01D8 ' # 34: DivisionPointCount=2, DivisionPoint=[239, 475] 20 ) # 40: <end> 21 assert(len(LCAR_FORMAT_0_DATA) == 40) 22 23 24 LCAR_FORMAT_0_XML = [ 25 '<Version value="0x00010000"/>', 26 '<LigatureCarets Format="0">', 27 ' <Carets>', 28 ' <Lookup glyph="f_f_l">', 29 ' <!-- DivsionPointCount=2 -->', 30 ' <DivisionPoint index="0" value="239"/>', 31 ' <DivisionPoint index="1" value="472"/>', 32 ' </Lookup>', 33 ' <Lookup glyph="f_r">', 34 ' <!-- DivsionPointCount=1 -->', 35 ' <DivisionPoint index="0" value="220"/>', 36 ' </Lookup>', 37 ' </Carets>', 38 '</LigatureCarets>', 39 ] 40 41 42 # Example: Format 1 Ligature Caret Table 43 # https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6lcar.html 44 LCAR_FORMAT_1_DATA = deHexStr( 45 '0001 0000 0001 ' # 0: Version=1.0, Format=1 46 '0006 0004 0002 ' # 6: LookupFormat=6, UnitSize=4, NUnits=2 47 '0008 0001 0000 ' # 12: SearchRange=8, EntrySelector=1, RangeShift=0 48 '0001 001E ' # 18: Glyph=1 (f_r), OffsetOfLigCaretEntry=30 49 '0003 0022 ' # 22: Glyph=3 (f_f_l), OffsetOfLigCaretEntry=34 50 'FFFF 0000 ' # 26: Glyph=<end>, OffsetOfLigCaretEntry=0 51 '0001 0032 ' # 30: DivisionPointCount=1, DivisionPoint=[50] 52 '0002 0037 004B ' # 34: DivisionPointCount=2, DivisionPoint=[55, 75] 53 ) # 40: <end> 54 assert(len(LCAR_FORMAT_1_DATA) == 40) 55 56 57 LCAR_FORMAT_1_XML = [ 58 '<Version value="0x00010000"/>', 59 '<LigatureCarets Format="1">', 60 ' <Carets>', 61 ' <Lookup glyph="f_f_l">', 62 ' <!-- DivsionPointCount=2 -->', 63 ' <DivisionPoint index="0" value="55"/>', 64 ' <DivisionPoint index="1" value="75"/>', 65 ' </Lookup>', 66 ' <Lookup glyph="f_r">', 67 ' <!-- DivsionPointCount=1 -->', 68 ' <DivisionPoint index="0" value="50"/>', 69 ' </Lookup>', 70 ' </Carets>', 71 '</LigatureCarets>', 72 ] 73 74 75 class LCARTest(unittest.TestCase): 76 77 @classmethod 78 def setUpClass(cls): 79 cls.maxDiff = None 80 cls.font = FakeFont(['.notdef', 'f_r', 'X', 'f_f_l']) 81 82 def test_decompile_toXML_format0(self): 83 table = newTable('lcar') 84 table.decompile(LCAR_FORMAT_0_DATA, self.font) 85 self.assertEqual(getXML(table.toXML), LCAR_FORMAT_0_XML) 86 87 def test_compile_fromXML_format0(self): 88 table = newTable('lcar') 89 for name, attrs, content in parseXML(LCAR_FORMAT_0_XML): 90 table.fromXML(name, attrs, content, font=self.font) 91 self.assertEqual(hexStr(table.compile(self.font)), 92 hexStr(LCAR_FORMAT_0_DATA)) 93 94 def test_decompile_toXML_format1(self): 95 table = newTable('lcar') 96 table.decompile(LCAR_FORMAT_1_DATA, self.font) 97 self.assertEqual(getXML(table.toXML), LCAR_FORMAT_1_XML) 98 99 def test_compile_fromXML_format1(self): 100 table = newTable('lcar') 101 for name, attrs, content in parseXML(LCAR_FORMAT_1_XML): 102 table.fromXML(name, attrs, content, font=self.font) 103 self.assertEqual(hexStr(table.compile(self.font)), 104 hexStr(LCAR_FORMAT_1_DATA)) 105 106 107 if __name__ == '__main__': 108 import sys 109 sys.exit(unittest.main()) 110
