49fc88244b
The XML output for other tables is also sorted alphabetically by glyph name, not by glyph order. This reverts commit c77e9fe12d5879aeb79c05f8ececebb3275524b7.
168 lines
6.3 KiB
Python
168 lines
6.3 KiB
Python
# coding: utf-8
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from __future__ import print_function, division, absolute_import, unicode_literals
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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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# This is the anchor points table of the first font file in
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# “/Library/Fonts/Devanagari Sangam MN.ttc” on macOS 10.12.6.
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# For testing, we’ve changed the GlyphIDs to smaller values.
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# Also, in the AATLookup, we’ve changed GlyphDataOffset value
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# for the end-of-table marker from 0xFFFF to 0 since that is
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# what our encoder emits. (The value for end-of-table markers
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# does not actually matter).
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ANKR_FORMAT_0_DATA = deHexStr(
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'0000 0000 ' # 0: Format=0, Flags=0
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'0000 000C ' # 4: LookupTableOffset=12
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'0000 0024 ' # 8: GlyphDataTableOffset=36
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'0006 0004 0002 ' # 12: LookupFormat=6, UnitSize=4, NUnits=2
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'0008 0001 0000 ' # 18: SearchRange=8, EntrySelector=1, RangeShift=0
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'0001 0000 ' # 24: Glyph=A, Offset=0 (+GlyphDataTableOffset=36)
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'0003 0008 ' # 28: Glyph=C, Offset=8 (+GlyphDataTableOffset=44)
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'FFFF 0000 ' # 32: Glyph=<end>, Offset=<n/a>
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'0000 0001 ' # 36: GlyphData[A].NumPoints=1
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'0235 045E ' # 40: GlyphData[A].Points[0].X=565, .Y=1118
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'0000 0001 ' # 44: GlyphData[C].NumPoints=1
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'FED2 045E ' # 48: GlyphData[C].Points[0].X=-302, .Y=1118
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) # 52: <end>
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assert len(ANKR_FORMAT_0_DATA) == 52
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ANKR_FORMAT_0_XML = [
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'<AnchorPoints Format="0">',
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' <Flags value="0"/>',
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' <Anchors>',
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' <Lookup glyph="A">',
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' <!-- AnchorPointCount=1 -->',
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' <AnchorPoint index="0">',
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' <XCoordinate value="565"/>',
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' <YCoordinate value="1118"/>',
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' </AnchorPoint>',
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' </Lookup>',
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' <Lookup glyph="C">',
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' <!-- AnchorPointCount=1 -->',
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' <AnchorPoint index="0">',
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' <XCoordinate value="-302"/>',
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' <YCoordinate value="1118"/>',
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' </AnchorPoint>',
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' </Lookup>',
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' </Anchors>',
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'</AnchorPoints>',
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]
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# Same data as ANKR_FORMAT_0_DATA, but with chunks of unused data
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# whose presence should not stop us from decompiling the table.
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ANKR_FORMAT_0_STRAY_DATA = deHexStr(
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'0000 0000 ' # 0: Format=0, Flags=0
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'0000 0018 ' # 4: LookupTableOffset=24
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'0000 0034 ' # 8: GlyphDataTableOffset=52
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'DEAD BEEF CAFE ' # 12: <stray data>
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'DEAD BEEF CAFE ' # 18: <stray data>
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'0006 0004 0002 ' # 24: LookupFormat=6, UnitSize=4, NUnits=2
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'0008 0001 0000 ' # 30: SearchRange=8, EntrySelector=1, RangeShift=0
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'0001 0000 ' # 36: Glyph=A, Offset=0 (+GlyphDataTableOffset=52)
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'0003 0008 ' # 40: Glyph=C, Offset=8 (+GlyphDataTableOffset=60)
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'FFFF 0000 ' # 44: Glyph=<end>, Offset=<n/a>
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'BEEF F00D ' # 48: <stray data>
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'0000 0001 ' # 52: GlyphData[A].NumPoints=1
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'0235 045E ' # 56: GlyphData[A].Points[0].X=565, .Y=1118
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'0000 0001 ' # 60: GlyphData[C].NumPoints=1
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'FED2 045E ' # 64: GlyphData[C].Points[0].X=-302, .Y=1118
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) # 68: <end>
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assert len(ANKR_FORMAT_0_STRAY_DATA) == 68
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# Constructed test case where glyphs A and D share the same anchor data.
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ANKR_FORMAT_0_SHARING_DATA = deHexStr(
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'0000 0000 ' # 0: Format=0, Flags=0
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'0000 000C ' # 4: LookupTableOffset=12
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'0000 0028 ' # 8: GlyphDataTableOffset=40
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'0006 0004 0003 ' # 12: LookupFormat=6, UnitSize=4, NUnits=3
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'0008 0001 0004 ' # 18: SearchRange=8, EntrySelector=1, RangeShift=4
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'0001 0000 ' # 24: Glyph=A, Offset=0 (+GlyphDataTableOffset=36)
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'0003 0008 ' # 28: Glyph=C, Offset=8 (+GlyphDataTableOffset=44)
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'0004 0000 ' # 32: Glyph=D, Offset=0 (+GlyphDataTableOffset=36)
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'FFFF 0000 ' # 36: Glyph=<end>, Offset=<n/a>
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'0000 0001 ' # 40: GlyphData[A].NumPoints=1
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'0235 045E ' # 44: GlyphData[A].Points[0].X=565, .Y=1118
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'0000 0002 ' # 48: GlyphData[C].NumPoints=2
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'000B 000C ' # 52: GlyphData[C].Points[0].X=11, .Y=12
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'001B 001C ' # 56: GlyphData[C].Points[1].X=27, .Y=28
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) # 60: <end>
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assert len(ANKR_FORMAT_0_SHARING_DATA) == 60
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ANKR_FORMAT_0_SHARING_XML = [
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'<AnchorPoints Format="0">',
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' <Flags value="0"/>',
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' <Anchors>',
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' <Lookup glyph="A">',
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' <!-- AnchorPointCount=1 -->',
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' <AnchorPoint index="0">',
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' <XCoordinate value="565"/>',
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' <YCoordinate value="1118"/>',
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' </AnchorPoint>',
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' </Lookup>',
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' <Lookup glyph="C">',
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' <!-- AnchorPointCount=2 -->',
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' <AnchorPoint index="0">',
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' <XCoordinate value="11"/>',
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' <YCoordinate value="12"/>',
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' </AnchorPoint>',
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' <AnchorPoint index="1">',
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' <XCoordinate value="27"/>',
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' <YCoordinate value="28"/>',
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' </AnchorPoint>',
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' </Lookup>',
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' <Lookup glyph="D">',
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' <!-- AnchorPointCount=1 -->',
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' <AnchorPoint index="0">',
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' <XCoordinate value="565"/>',
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' <YCoordinate value="1118"/>',
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' </AnchorPoint>',
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' </Lookup>',
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' </Anchors>',
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'</AnchorPoints>',
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]
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class ANKRTest(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', 'A', 'B', 'C', 'D'])
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def decompileToXML(self, data, xml):
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table = newTable('ankr')
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table.decompile(data, self.font)
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self.assertEqual(getXML(table.toXML), xml)
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def compileFromXML(self, xml, data):
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table = newTable('ankr')
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for name, attrs, content in parseXML(xml):
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table.fromXML(name, attrs, content, font=self.font)
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self.assertEqual(hexStr(table.compile(self.font)), hexStr(data))
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def roundtrip(self, data, xml):
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self.decompileToXML(data, xml)
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self.compileFromXML(xml, data)
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def testFormat0(self):
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self.roundtrip(ANKR_FORMAT_0_DATA, ANKR_FORMAT_0_XML)
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def testFormat0_stray(self):
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self.decompileToXML(ANKR_FORMAT_0_STRAY_DATA, ANKR_FORMAT_0_XML)
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def testFormat0_sharing(self):
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self.roundtrip(ANKR_FORMAT_0_SHARING_DATA, ANKR_FORMAT_0_SHARING_XML)
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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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