| from fontTools.misc.testTools import FakeFont, getXML, parseXML |
| from fontTools.misc.textTools import deHexStr, hexStr |
| from fontTools.ttLib import newTable |
| import unittest |
| |
| |
| # Example: Format 0 Optical Bounds Table |
| # https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6opbd.html |
| OPBD_FORMAT_0_DATA = deHexStr( |
| "0001 0000 0000 " # 0: Version=1.0, Format=0 |
| "0006 0004 0002 " # 6: LookupFormat=6, UnitSize=4, NUnits=2 |
| "0008 0001 0000 " # 12: SearchRange=8, EntrySelector=1, RangeShift=0 |
| "000A 001E " # 18: Glyph=10(=C), OffsetOfOpticalBoundsDeltas=30 |
| "002B 0026 " # 22: Glyph=43(=A), OffsetOfOpticalBoundsDeltas=38 |
| "FFFF 0000 " # 26: Glyph=<end>, OffsetOfOpticalBoundsDeltas=0 |
| "FFCE 0005 0037 FFFB " # 30: Bounds[C].Left=-50 .Top=5 .Right=55 .Bottom=-5 |
| "FFF6 000F 0000 0000 " # 38: Bounds[A].Left=-10 .Top=15 .Right=0 .Bottom=0 |
| ) # 46: <end> |
| assert len(OPBD_FORMAT_0_DATA) == 46 |
| |
| |
| OPBD_FORMAT_0_XML = [ |
| '<Version value="0x00010000"/>', |
| '<OpticalBounds Format="0">', |
| " <OpticalBoundsDeltas>", |
| ' <Lookup glyph="A">', |
| ' <Left value="-10"/>', |
| ' <Top value="15"/>', |
| ' <Right value="0"/>', |
| ' <Bottom value="0"/>', |
| " </Lookup>", |
| ' <Lookup glyph="C">', |
| ' <Left value="-50"/>', |
| ' <Top value="5"/>', |
| ' <Right value="55"/>', |
| ' <Bottom value="-5"/>', |
| " </Lookup>", |
| " </OpticalBoundsDeltas>", |
| "</OpticalBounds>", |
| ] |
| |
| |
| # Example: Format 1 Optical Bounds Table |
| # https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6opbd.html |
| OPBD_FORMAT_1_DATA = deHexStr( |
| "0001 0000 0001 " # 0: Version=1.0, Format=1 |
| "0006 0004 0002 " # 6: LookupFormat=6, UnitSize=4, NUnits=2 |
| "0008 0001 0000 " # 12: SearchRange=8, EntrySelector=1, RangeShift=0 |
| "000A 001E " # 18: Glyph=10(=C), OffsetOfOpticalBoundsPoints=30 |
| "002B 0026 " # 22: Glyph=43(=A), OffsetOfOpticalBoundsPoints=38 |
| "FFFF 0000 " # 26: Glyph=<end>, OffsetOfOpticalBoundsPoints=0 |
| "0024 0025 0026 0027 " # 30: Bounds[C].Left=36 .Top=37 .Right=38 .Bottom=39 |
| "0020 0029 FFFF FFFF " # 38: Bounds[A].Left=32 .Top=41 .Right=-1 .Bottom=-1 |
| ) # 46: <end> |
| assert len(OPBD_FORMAT_1_DATA) == 46 |
| |
| |
| OPBD_FORMAT_1_XML = [ |
| '<Version value="0x00010000"/>', |
| '<OpticalBounds Format="1">', |
| " <OpticalBoundsPoints>", |
| ' <Lookup glyph="A">', |
| ' <Left value="32"/>', |
| ' <Top value="41"/>', |
| ' <Right value="-1"/>', |
| ' <Bottom value="-1"/>', |
| " </Lookup>", |
| ' <Lookup glyph="C">', |
| ' <Left value="36"/>', |
| ' <Top value="37"/>', |
| ' <Right value="38"/>', |
| ' <Bottom value="39"/>', |
| " </Lookup>", |
| " </OpticalBoundsPoints>", |
| "</OpticalBounds>", |
| ] |
| |
| |
| # This is the content of the Optical Bounds table in AppleChancery.ttf, |
| # font version 8.0d1e1 of 2013-02-06. An early version of fontTools |
| # was crashing when trying to decompile this table. |
| # https://github.com/fonttools/fonttools/issues/1031 |
| OPBD_APPLE_CHANCERY_DATA = deHexStr( |
| "0001 0000 0000 " # 0: Version=1.0, Format=0 |
| "0004 0006 0011 " # 6: LookupFormat=4, UnitSize=6, NUnits=17 |
| "0060 0004 0006 " # 12: SearchRange=96, EntrySelector=4, RangeShift=6 |
| "017d 017d 0072 " # 18: Seg[0].LastGlyph=381, FirstGlyph=381, Off=114(+6) |
| "0183 0180 0074 " # 24: Seg[1].LastGlyph=387, FirstGlyph=384, Off=116(+6) |
| "0186 0185 007c " # 30: Seg[2].LastGlyph=390, FirstGlyph=389, Off=124(+6) |
| "018f 018b 0080 " # 36: Seg[3].LastGlyph=399, FirstGlyph=395, Off=128(+6) |
| "01a0 0196 008a " # 42: Seg[4].LastGlyph=416, FirstGlyph=406, Off=138(+6) |
| "01a5 01a3 00a0 " # 48: Seg[5].LastGlyph=421, FirstGlyph=419, Off=160(+6) |
| "01aa 01aa 00a6 " # 54: Seg[6].LastGlyph=426, FirstGlyph=426, Off=166(+6) |
| "01ac 01ac 00a8 " # 60: Seg[7].LastGlyph=428, FirstGlyph=428, Off=168(+6) |
| "01fb 01f1 00aa " # 66: Seg[8].LastGlyph=507, FirstGlyph=497, Off=170(+6) |
| "0214 0209 00c0 " # 72: Seg[9].LastGlyph=532, FirstGlyph=521, Off=192(+6) |
| "021d 0216 00d8 " # 78: Seg[10].LastGlyph=541, FirstGlyph=534, Off=216(+6) |
| "0222 0220 00e8 " # 84: Seg[11].LastGlyph=546, FirstGlyph=544, Off=232(+6) |
| "0227 0225 00ee " # 90: Seg[12].LastGlyph=551, FirstGlyph=549, Off=238(+6) |
| "0229 0229 00f4 " # 96: Seg[13].LastGlyph=553, FirstGlyph=553, Off=244(+6) |
| "023b 023b 00f6 " # 102: Seg[14].LastGlyph=571, FirstGlyph=571, Off=246(+6) |
| "023e 023e 00f8 " # 108: Seg[15].LastGlyph=574, FirstGlyph=574, Off=248(+6) |
| "ffff ffff 00fa " # 114: Seg[16]=<end> |
| "0100 0108 0110 0118 0120 0128 0130 0138 0140 0148 0150 0158 " |
| "0160 0168 0170 0178 0180 0188 0190 0198 01a0 01a8 01b0 01b8 " |
| "01c0 01c8 01d0 01d8 01e0 01e8 01f0 01f8 0200 0208 0210 0218 " |
| "0220 0228 0230 0238 0240 0248 0250 0258 0260 0268 0270 0278 " |
| "0280 0288 0290 0298 02a0 02a8 02b0 02b8 02c0 02c8 02d0 02d8 " |
| "02e0 02e8 02f0 02f8 0300 0308 0310 0318 fd98 0000 0000 0000 " |
| "fdbc 0000 0000 0000 fdbc 0000 0000 0000 fdbf 0000 0000 0000 " |
| "fdbc 0000 0000 0000 fd98 0000 0000 0000 fda9 0000 0000 0000 " |
| "fd98 0000 0000 0000 fd98 0000 0000 0000 fd98 0000 0000 0000 " |
| "0000 0000 0205 0000 0000 0000 0205 0000 0000 0000 02a4 0000 " |
| "0000 0000 027e 0000 0000 0000 02f4 0000 0000 0000 02a4 0000 " |
| "0000 0000 0365 0000 0000 0000 0291 0000 0000 0000 0291 0000 " |
| "0000 0000 026a 0000 0000 0000 02b8 0000 0000 0000 02cb 0000 " |
| "0000 0000 02a4 0000 0000 0000 01a9 0000 0000 0000 0244 0000 " |
| "0000 0000 02a4 0000 0000 0000 02cb 0000 0000 0000 0244 0000 " |
| "0000 0000 0307 0000 0000 0000 0307 0000 0000 0000 037f 0000 " |
| "0000 0000 0307 0000 0000 0000 0307 0000 0000 0000 0307 0000 " |
| "0000 0000 0307 0000 0000 0000 0307 0000 0000 0000 03e3 0000 " |
| "0000 0000 030c 0000 0000 0000 0307 0000 fe30 0000 0000 0000 " |
| "fe7e 0000 0000 0000 fe91 0000 0000 0000 fe6a 0000 0000 0000 " |
| "fe6a 0000 0000 0000 fecb 0000 0000 0000 fe6a 0000 0000 0000 " |
| "fe7e 0000 0000 0000 fea4 0000 0000 0000 fe7e 0000 0000 0000 " |
| "fe44 0000 0000 0000 fea4 0000 0000 0000 feb8 0000 0000 0000 " |
| "fe7e 0000 0000 0000 fe5e 0000 0000 0000 fe37 0000 0000 0000 " |
| "fe37 0000 0000 0000 fcbd 0000 0000 0000 fd84 0000 0000 0000 " |
| "fd98 0000 0000 0000 fd82 0000 0000 0000 fcbd 0000 0000 0000 " |
| "fd84 0000 0000 0000 fcbd 0000 0000 0000 fcbd 0000 0000 0000 " |
| "fe72 0000 0000 0000 ff9d 0000 0000 0000 0000 0000 032f 0000 " |
| "0000 0000 03ba 0000 " |
| ) |
| assert len(OPBD_APPLE_CHANCERY_DATA) == 800 |
| |
| |
| class OPBDTest(unittest.TestCase): |
| @classmethod |
| def setUpClass(cls): |
| cls.maxDiff = None |
| glyphs = [".notdef"] + ["X.alt%d" for g in range(1, 50)] |
| glyphs[10] = "C" |
| glyphs[43] = "A" |
| cls.font = FakeFont(glyphs) |
| |
| def test_decompile_toXML_format0(self): |
| table = newTable("opbd") |
| table.decompile(OPBD_FORMAT_0_DATA, self.font) |
| self.assertEqual(getXML(table.toXML), OPBD_FORMAT_0_XML) |
| |
| def test_compile_fromXML_format0(self): |
| table = newTable("opbd") |
| for name, attrs, content in parseXML(OPBD_FORMAT_0_XML): |
| table.fromXML(name, attrs, content, font=self.font) |
| self.assertEqual(hexStr(table.compile(self.font)), hexStr(OPBD_FORMAT_0_DATA)) |
| |
| def test_decompile_toXML_format1(self): |
| table = newTable("opbd") |
| table.decompile(OPBD_FORMAT_1_DATA, self.font) |
| self.assertEqual(getXML(table.toXML), OPBD_FORMAT_1_XML) |
| |
| def test_compile_fromXML_format1(self): |
| table = newTable("opbd") |
| for name, attrs, content in parseXML(OPBD_FORMAT_1_XML): |
| table.fromXML(name, attrs, content, font=self.font) |
| self.assertEqual(hexStr(table.compile(self.font)), hexStr(OPBD_FORMAT_1_DATA)) |
| |
| def test_decompile_AppleChancery(self): |
| # Make sure we do not crash when decompiling the 'opbd' table of |
| # AppleChancery.ttf. https://github.com/fonttools/fonttools/issues/1031 |
| table = newTable("opbd") |
| table.decompile(OPBD_APPLE_CHANCERY_DATA, self.font) |
| self.assertIn('<OpticalBounds Format="0">', getXML(table.toXML)) |
| |
| |
| if __name__ == "__main__": |
| import sys |
| |
| sys.exit(unittest.main()) |
