311 lines
13 KiB
Python
311 lines
13 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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# Apple's spec of the baseline table gives no example for 'bsln' format 0,
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# but the Apple Chancery font contains the following data.
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BSLN_FORMAT_0_DATA = deHexStr(
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'0001 0000 0000 ' # 0: Version=1.0, Format=0
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'0000 ' # 6: DefaultBaseline=0 (Roman baseline)
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'0000 01D1 0000 0541 ' # 8: Delta[0..3]=0, 465, 0, 1345
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'01FB 0000 0000 0000 ' # 16: Delta[4..7]=507, 0, 0, 0
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'0000 0000 0000 0000 ' # 24: Delta[8..11]=0, 0, 0, 0
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'0000 0000 0000 0000 ' # 32: Delta[12..15]=0, 0, 0, 0
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'0000 0000 0000 0000 ' # 40: Delta[16..19]=0, 0, 0, 0
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'0000 0000 0000 0000 ' # 48: Delta[20..23]=0, 0, 0, 0
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'0000 0000 0000 0000 ' # 56: Delta[24..27]=0, 0, 0, 0
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'0000 0000 0000 0000 ' # 64: Delta[28..31]=0, 0, 0, 0
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) # 72: <end>
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assert len(BSLN_FORMAT_0_DATA) == 72
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BSLN_FORMAT_0_XML = [
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'<Version value="0x00010000"/>',
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'<Baseline Format="0">',
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' <DefaultBaseline value="0"/>',
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' <Delta index="0" value="0"/>',
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' <Delta index="1" value="465"/>',
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' <Delta index="2" value="0"/>',
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' <Delta index="3" value="1345"/>',
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' <Delta index="4" value="507"/>',
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' <Delta index="5" value="0"/>',
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' <Delta index="6" value="0"/>',
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' <Delta index="7" value="0"/>',
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' <Delta index="8" value="0"/>',
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' <Delta index="9" value="0"/>',
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' <Delta index="10" value="0"/>',
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' <Delta index="11" value="0"/>',
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' <Delta index="12" value="0"/>',
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' <Delta index="13" value="0"/>',
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' <Delta index="14" value="0"/>',
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' <Delta index="15" value="0"/>',
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' <Delta index="16" value="0"/>',
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' <Delta index="17" value="0"/>',
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' <Delta index="18" value="0"/>',
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' <Delta index="19" value="0"/>',
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' <Delta index="20" value="0"/>',
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' <Delta index="21" value="0"/>',
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' <Delta index="22" value="0"/>',
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' <Delta index="23" value="0"/>',
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' <Delta index="24" value="0"/>',
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' <Delta index="25" value="0"/>',
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' <Delta index="26" value="0"/>',
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' <Delta index="27" value="0"/>',
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' <Delta index="28" value="0"/>',
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' <Delta index="29" value="0"/>',
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' <Delta index="30" value="0"/>',
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' <Delta index="31" value="0"/>',
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'</Baseline>',
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]
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# Example: Format 1 Baseline Table
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# https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6bsln.html
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# The example in the AAT specification uses the value 270 for Seg[0].LastGlyph,
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# whereas we use the value 10 for testng to shorten the XML dump.
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BSLN_FORMAT_1_DATA = deHexStr(
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'0001 0000 0001 ' # 0: Version=1.0, Format=1
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'0001 ' # 6: DefaultBaseline=1 (Ideographic baseline)
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'0000 0357 0000 05F0 ' # 8: Delta[0..3]=0, 855, 0, 1520
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'0000 0000 0000 0000 ' # 16: Delta[4..7]=0, 0, 0, 0
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'0000 0000 0000 0000 ' # 24: Delta[8..11]=0, 0, 0, 0
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'0000 0000 0000 0000 ' # 32: Delta[12..15]=0, 0, 0, 0
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'0000 0000 0000 0000 ' # 40: Delta[16..19]=0, 0, 0, 0
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'0000 0000 0000 0000 ' # 48: Delta[20..23]=0, 0, 0, 0
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'0000 0000 0000 0000 ' # 56: Delta[24..27]=0, 0, 0, 0
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'0000 0000 0000 0000 ' # 64: Delta[28..31]=0, 0, 0, 0
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'0002 0006 0001 ' # 72: LookupFormat=2, UnitSize=6, NUnits=1
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'0006 0000 0000 ' # 78: SearchRange=6, EntrySelector=0, RangeShift=0
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'000A 0002 0000 ' # 84: Seg[0].LastGlyph=10 FirstGl=2 Value=0/Roman
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'FFFF FFFF 0000 ' # 90: Seg[1]=<end>
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) # 96: <end>
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assert len(BSLN_FORMAT_1_DATA) == 96
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BSLN_FORMAT_1_XML = [
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'<Version value="0x00010000"/>',
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'<Baseline Format="1">',
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' <DefaultBaseline value="1"/>',
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' <Delta index="0" value="0"/>',
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' <Delta index="1" value="855"/>',
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' <Delta index="2" value="0"/>',
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' <Delta index="3" value="1520"/>',
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' <Delta index="4" value="0"/>',
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' <Delta index="5" value="0"/>',
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' <Delta index="6" value="0"/>',
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' <Delta index="7" value="0"/>',
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' <Delta index="8" value="0"/>',
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' <Delta index="9" value="0"/>',
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' <Delta index="10" value="0"/>',
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' <Delta index="11" value="0"/>',
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' <Delta index="12" value="0"/>',
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' <Delta index="13" value="0"/>',
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' <Delta index="14" value="0"/>',
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' <Delta index="15" value="0"/>',
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' <Delta index="16" value="0"/>',
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' <Delta index="17" value="0"/>',
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' <Delta index="18" value="0"/>',
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' <Delta index="19" value="0"/>',
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' <Delta index="20" value="0"/>',
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' <Delta index="21" value="0"/>',
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' <Delta index="22" value="0"/>',
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' <Delta index="23" value="0"/>',
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' <Delta index="24" value="0"/>',
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' <Delta index="25" value="0"/>',
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' <Delta index="26" value="0"/>',
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' <Delta index="27" value="0"/>',
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' <Delta index="28" value="0"/>',
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' <Delta index="29" value="0"/>',
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' <Delta index="30" value="0"/>',
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' <Delta index="31" value="0"/>',
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' <BaselineValues>',
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' <Lookup glyph="B" value="0"/>',
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' <Lookup glyph="C" value="0"/>',
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' <Lookup glyph="D" value="0"/>',
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' <Lookup glyph="E" value="0"/>',
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' <Lookup glyph="F" value="0"/>',
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' <Lookup glyph="G" value="0"/>',
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' <Lookup glyph="H" value="0"/>',
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' <Lookup glyph="I" value="0"/>',
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' <Lookup glyph="J" value="0"/>',
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' </BaselineValues>',
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'</Baseline>',
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]
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BSLN_FORMAT_2_DATA = deHexStr(
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'0001 0000 0002 ' # 0: Version=1.0, Format=2
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'0004 ' # 6: DefaultBaseline=4 (Math)
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'0016 ' # 8: StandardGlyph=22
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'0050 0051 FFFF 0052 ' # 10: ControlPoint[0..3]=80, 81, <none>, 82
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'FFFF FFFF FFFF FFFF ' # 18: ControlPoint[4..7]=<none>
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'FFFF FFFF FFFF FFFF ' # 26: ControlPoint[8..11]=<none>
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'FFFF FFFF FFFF FFFF ' # 34: ControlPoint[12..15]=<none>
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'FFFF FFFF FFFF FFFF ' # 42: ControlPoint[16..19]=<none>
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'FFFF FFFF FFFF FFFF ' # 50: ControlPoint[20..23]=<none>
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'FFFF FFFF FFFF FFFF ' # 58: ControlPoint[24..27]=<none>
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'FFFF FFFF FFFF FFFF ' # 66: ControlPoint[28..31]=<none>
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) # 74: <end>
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assert len(BSLN_FORMAT_2_DATA) == 74
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BSLN_FORMAT_2_XML = [
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'<Version value="0x00010000"/>',
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'<Baseline Format="2">',
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' <DefaultBaseline value="4"/>',
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' <StandardGlyph value="V"/>',
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' <ControlPoint index="0" value="80"/>',
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' <ControlPoint index="1" value="81"/>',
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' <ControlPoint index="2" value="65535"/>',
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' <ControlPoint index="3" value="82"/>',
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' <ControlPoint index="4" value="65535"/>',
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' <ControlPoint index="5" value="65535"/>',
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' <ControlPoint index="6" value="65535"/>',
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' <ControlPoint index="7" value="65535"/>',
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' <ControlPoint index="8" value="65535"/>',
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' <ControlPoint index="9" value="65535"/>',
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' <ControlPoint index="10" value="65535"/>',
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' <ControlPoint index="11" value="65535"/>',
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' <ControlPoint index="12" value="65535"/>',
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' <ControlPoint index="13" value="65535"/>',
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' <ControlPoint index="14" value="65535"/>',
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' <ControlPoint index="15" value="65535"/>',
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' <ControlPoint index="16" value="65535"/>',
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' <ControlPoint index="17" value="65535"/>',
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' <ControlPoint index="18" value="65535"/>',
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' <ControlPoint index="19" value="65535"/>',
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' <ControlPoint index="20" value="65535"/>',
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' <ControlPoint index="21" value="65535"/>',
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' <ControlPoint index="22" value="65535"/>',
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' <ControlPoint index="23" value="65535"/>',
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' <ControlPoint index="24" value="65535"/>',
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' <ControlPoint index="25" value="65535"/>',
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' <ControlPoint index="26" value="65535"/>',
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' <ControlPoint index="27" value="65535"/>',
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' <ControlPoint index="28" value="65535"/>',
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' <ControlPoint index="29" value="65535"/>',
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' <ControlPoint index="30" value="65535"/>',
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' <ControlPoint index="31" value="65535"/>',
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'</Baseline>',
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]
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# Example: Format 3 Baseline Table
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# https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6bsln.html
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# The example in the AAT specification uses the value 270 for Seg[0].LastGlyph,
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# whereas we use the value 10 for testng to shorten the XML dump.
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BSLN_FORMAT_3_DATA = deHexStr(
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'0001 0000 0003 ' # 0: Version=1.0, Format=3
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'0001 ' # 6: DefaultBaseline=1 (Ideographic)
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'0016 ' # 8: StandardGlyph=22
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'0050 0051 FFFF 0052 ' # 10: ControlPoint[0..3]=80, 81, <none>, 82
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'FFFF FFFF FFFF FFFF ' # 18: ControlPoint[4..7]=<none>
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'FFFF FFFF FFFF FFFF ' # 26: ControlPoint[8..11]=<none>
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'FFFF FFFF FFFF FFFF ' # 34: ControlPoint[12..15]=<none>
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'FFFF FFFF FFFF FFFF ' # 42: ControlPoint[16..19]=<none>
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'FFFF FFFF FFFF FFFF ' # 50: ControlPoint[20..23]=<none>
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'FFFF FFFF FFFF FFFF ' # 58: ControlPoint[24..27]=<none>
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'FFFF FFFF FFFF FFFF ' # 66: ControlPoint[28..31]=<none>
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'0002 0006 0001 ' # 74: LookupFormat=2, UnitSize=6, NUnits=1
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'0006 0000 0000 ' # 80: SearchRange=6, EntrySelector=0, RangeShift=0
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'000A 0002 0000 ' # 86: Seg[0].LastGlyph=10 FirstGl=2 Value=0/Roman
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'FFFF FFFF 0000 ' # 92: Seg[1]=<end>
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) # 98: <end>
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assert len(BSLN_FORMAT_3_DATA) == 98
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BSLN_FORMAT_3_XML = [
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'<Version value="0x00010000"/>',
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'<Baseline Format="3">',
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' <DefaultBaseline value="1"/>',
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' <StandardGlyph value="V"/>',
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' <ControlPoint index="0" value="80"/>',
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' <ControlPoint index="1" value="81"/>',
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' <ControlPoint index="2" value="65535"/>',
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' <ControlPoint index="3" value="82"/>',
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' <ControlPoint index="4" value="65535"/>',
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' <ControlPoint index="5" value="65535"/>',
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' <ControlPoint index="6" value="65535"/>',
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' <ControlPoint index="7" value="65535"/>',
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' <ControlPoint index="8" value="65535"/>',
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' <ControlPoint index="9" value="65535"/>',
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' <ControlPoint index="10" value="65535"/>',
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' <ControlPoint index="11" value="65535"/>',
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' <ControlPoint index="12" value="65535"/>',
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' <ControlPoint index="13" value="65535"/>',
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' <ControlPoint index="14" value="65535"/>',
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' <ControlPoint index="15" value="65535"/>',
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' <ControlPoint index="16" value="65535"/>',
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' <ControlPoint index="17" value="65535"/>',
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' <ControlPoint index="18" value="65535"/>',
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' <ControlPoint index="19" value="65535"/>',
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' <ControlPoint index="20" value="65535"/>',
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' <ControlPoint index="21" value="65535"/>',
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' <ControlPoint index="22" value="65535"/>',
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' <ControlPoint index="23" value="65535"/>',
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' <ControlPoint index="24" value="65535"/>',
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' <ControlPoint index="25" value="65535"/>',
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' <ControlPoint index="26" value="65535"/>',
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' <ControlPoint index="27" value="65535"/>',
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' <ControlPoint index="28" value="65535"/>',
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' <ControlPoint index="29" value="65535"/>',
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' <ControlPoint index="30" value="65535"/>',
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' <ControlPoint index="31" value="65535"/>',
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' <BaselineValues>',
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' <Lookup glyph="B" value="0"/>',
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' <Lookup glyph="C" value="0"/>',
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' <Lookup glyph="D" value="0"/>',
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' <Lookup glyph="E" value="0"/>',
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' <Lookup glyph="F" value="0"/>',
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' <Lookup glyph="G" value="0"/>',
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' <Lookup glyph="H" value="0"/>',
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' <Lookup glyph="I" value="0"/>',
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' <Lookup glyph="J" value="0"/>',
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' </BaselineValues>',
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'</Baseline>',
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]
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class BSLNTest(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(
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['.notdef'] + [g for g in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'])
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def decompileToXML(self, data, xml):
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table = newTable('bsln')
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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('bsln')
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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 testFormat0(self):
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self.decompileToXML(BSLN_FORMAT_0_DATA, BSLN_FORMAT_0_XML)
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self.compileFromXML(BSLN_FORMAT_0_XML, BSLN_FORMAT_0_DATA)
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def testFormat1(self):
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self.decompileToXML(BSLN_FORMAT_1_DATA, BSLN_FORMAT_1_XML)
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self.compileFromXML(BSLN_FORMAT_1_XML, BSLN_FORMAT_1_DATA)
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def testFormat2(self):
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self.decompileToXML(BSLN_FORMAT_2_DATA, BSLN_FORMAT_2_XML)
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self.compileFromXML(BSLN_FORMAT_2_XML, BSLN_FORMAT_2_DATA)
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def testFormat3(self):
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self.decompileToXML(BSLN_FORMAT_3_DATA, BSLN_FORMAT_3_XML)
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self.compileFromXML(BSLN_FORMAT_3_XML, BSLN_FORMAT_3_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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