Merge pull request #1677 from fonttools/fdselct-format-4
[cffLib] Support FDSselect format 4
This commit is contained in:
Khaled Hosny
GitHub
commit
71ea0cbe07
@ -831,6 +831,23 @@ class FDSelect(object):
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for glyphID in range(prev, first):
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gidArray[glyphID] = fd
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self.gidArray = gidArray
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elif self.format == 4:
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gidArray = [None] * numGlyphs
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nRanges = readCard32(file)
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fd = None
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prev = None
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for i in range(nRanges):
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first = readCard32(file)
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if prev is not None:
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for glyphID in range(prev, first):
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gidArray[glyphID] = fd
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prev = first
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fd = readCard16(file)
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if prev is not None:
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first = readCard32(file)
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for glyphID in range(prev, first):
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gidArray[glyphID] = fd
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self.gidArray = gidArray
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else:
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assert False, "unsupported FDSelect format: %s" % format
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else:
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@ -1001,6 +1018,10 @@ def packCard16(value):
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return struct.pack(">H", value)
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def packCard32(value):
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return struct.pack(">L", value)
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def buildOperatorDict(table):
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d = {}
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for op, name, arg, default, conv in table:
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@ -1732,6 +1753,27 @@ def packFDSelect3(fdSelectArray):
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return bytesjoin(data)
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def packFDSelect4(fdSelectArray):
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fmt = 4
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fdRanges = []
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lenArray = len(fdSelectArray)
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lastFDIndex = -1
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for i in range(lenArray):
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fdIndex = fdSelectArray[i]
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if lastFDIndex != fdIndex:
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fdRanges.append([i, fdIndex])
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lastFDIndex = fdIndex
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sentinelGID = i + 1
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data = [packCard8(fmt)]
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data.append(packCard32(len(fdRanges)))
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for fdRange in fdRanges:
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data.append(packCard32(fdRange[0]))
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data.append(packCard16(fdRange[1]))
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data.append(packCard32(sentinelGID))
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return bytesjoin(data)
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class FDSelectCompiler(object):
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def __init__(self, fdSelect, parent):
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@ -1741,6 +1783,8 @@ class FDSelectCompiler(object):
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self.data = packFDSelect0(fdSelectArray)
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elif fmt == 3:
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self.data = packFDSelect3(fdSelectArray)
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elif fmt == 4:
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self.data = packFDSelect4(fdSelectArray)
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else:
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# choose smaller of the two formats
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data0 = packFDSelect0(fdSelectArray)
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@ -79,6 +79,20 @@ class CffLibTest(DataFilesHandler):
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font.importXML(ttx_path)
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copy.deepcopy(font)
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def test_FDSelect_format_4(self):
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ttx_path = self.getpath('TestFDSelect4.ttx')
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font = TTFont(recalcBBoxes=False, recalcTimestamp=False)
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font.importXML(ttx_path)
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self.temp_dir()
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save_path = os.path.join(self.tempdir, 'TestOTF.otf')
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font.save(save_path)
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font2 = TTFont(save_path)
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topDict2 = font2["CFF2"].cff.topDictIndex[0]
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self.assertEqual(topDict2.FDSelect.format, 4)
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self.assertEqual(topDict2.FDSelect.gidArray, [0, 0, 1])
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if __name__ == "__main__":
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sys.exit(unittest.main())
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211
Tests/cffLib/data/TestFDSelect4.ttx
Normal file
211
Tests/cffLib/data/TestFDSelect4.ttx
Normal file
@ -0,0 +1,211 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<ttFont sfntVersion="OTTO" ttLibVersion="3.43">
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<GlyphOrder>
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<!-- The 'id' attribute is only for humans; it is ignored when parsed. -->
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<GlyphID id="0" name=".notdef"/>
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<GlyphID id="1" name="A"/>
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<GlyphID id="2" name="a"/>
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</GlyphOrder>
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<head>
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<!-- Most of this table will be recalculated by the compiler -->
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<tableVersion value="1.0"/>
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<fontRevision value="1.004"/>
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<checkSumAdjustment value="0x61e1f145"/>
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<magicNumber value="0x5f0f3cf5"/>
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<flags value="00000000 00000011"/>
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<unitsPerEm value="1000"/>
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<created value="Sat Oct 10 16:55:59 2015"/>
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<modified value="Mon Jul 29 22:04:10 2019"/>
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<xMin value="-454"/>
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<yMin value="-322"/>
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<xMax value="2159"/>
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<yMax value="968"/>
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<macStyle value="00000000 00000000"/>
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<lowestRecPPEM value="6"/>
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<fontDirectionHint value="2"/>
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<indexToLocFormat value="0"/>
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<glyphDataFormat value="0"/>
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</head>
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<hhea>
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<tableVersion value="0x00010000"/>
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<ascent value="900"/>
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<descent value="-300"/>
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<lineGap value="96"/>
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<advanceWidthMax value="2200"/>
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<minLeftSideBearing value="-454"/>
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<minRightSideBearing value="-454"/>
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<xMaxExtent value="2159"/>
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<caretSlopeRise value="1"/>
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<caretSlopeRun value="0"/>
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<caretOffset value="0"/>
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<reserved0 value="0"/>
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<reserved1 value="0"/>
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<reserved2 value="0"/>
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<reserved3 value="0"/>
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<metricDataFormat value="0"/>
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<numberOfHMetrics value="3"/>
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</hhea>
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<maxp>
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<tableVersion value="0x5000"/>
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<numGlyphs value="3"/>
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</maxp>
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<OS_2>
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<!-- The fields 'usFirstCharIndex' and 'usLastCharIndex'
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will be recalculated by the compiler -->
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<version value="4"/>
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<xAvgCharWidth value="564"/>
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<usWeightClass value="500"/>
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<usWidthClass value="5"/>
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<fsType value="00000000 00000000"/>
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<ySubscriptXSize value="650"/>
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<ySubscriptYSize value="600"/>
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<ySubscriptXOffset value="0"/>
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<ySubscriptYOffset value="75"/>
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<ySuperscriptXSize value="650"/>
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<ySuperscriptYSize value="600"/>
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<ySuperscriptXOffset value="0"/>
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<ySuperscriptYOffset value="350"/>
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<yStrikeoutSize value="50"/>
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<yStrikeoutPosition value="294"/>
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<sFamilyClass value="0"/>
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<panose>
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<bFamilyType value="0"/>
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<bSerifStyle value="0"/>
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<bWeight value="0"/>
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<bProportion value="0"/>
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<bContrast value="0"/>
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<bStrokeVariation value="0"/>
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<bArmStyle value="0"/>
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<bLetterForm value="0"/>
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<bMidline value="0"/>
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<bXHeight value="0"/>
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</panose>
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<ulUnicodeRange1 value="00000000 00000000 00000000 00000001"/>
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<ulUnicodeRange2 value="00000000 00000000 00000000 00000000"/>
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<ulUnicodeRange3 value="00000000 00000000 00000000 00000000"/>
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<ulUnicodeRange4 value="00000000 00000000 00000000 00000000"/>
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<achVendID value="ALIF"/>
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<fsSelection value="00000000 11000000"/>
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<usFirstCharIndex value="65"/>
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<usLastCharIndex value="97"/>
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<sTypoAscender value="900"/>
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<sTypoDescender value="-300"/>
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<sTypoLineGap value="100"/>
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<usWinAscent value="790"/>
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<usWinDescent value="330"/>
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<ulCodePageRange1 value="00100000 00000000 00000001 11011111"/>
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<ulCodePageRange2 value="00000000 00001000 00000000 00000000"/>
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<sxHeight value="489"/>
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<sCapHeight value="655"/>
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<usDefaultChar value="0"/>
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<usBreakChar value="32"/>
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<usMaxContext value="3"/>
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</OS_2>
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<hmtx>
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<mtx name=".notdef" width="663" lsb="86"/>
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<mtx name="A" width="552" lsb="0"/>
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<mtx name="a" width="510" lsb="49"/>
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</hmtx>
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<cmap>
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<tableVersion version="0"/>
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<cmap_format_4 platformID="0" platEncID="3" language="0">
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<map code="0x41" name="A"/><!-- LATIN CAPITAL LETTER A -->
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<map code="0x61" name="a"/><!-- LATIN SMALL LETTER A -->
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</cmap_format_4>
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</cmap>
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<name>
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<namerecord nameID="0" platformID="3" platEncID="1" langID="0x409">
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Copyright © 2015-2019 The Mada Project Authors, with Reserved Font Name “Source”.
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</namerecord>
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<namerecord nameID="4" platformID="3" platEncID="1" langID="0x409">
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Mada Medium
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</namerecord>
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<namerecord nameID="6" platformID="3" platEncID="1" langID="0x409">
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Mada-Medium
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</namerecord>
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</name>
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<post>
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<formatType value="3.0"/>
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<italicAngle value="0.0"/>
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<underlinePosition value="-200"/>
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<underlineThickness value="50"/>
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<isFixedPitch value="0"/>
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<minMemType42 value="0"/>
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<maxMemType42 value="0"/>
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<minMemType1 value="0"/>
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<maxMemType1 value="0"/>
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</post>
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<CFF2>
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<major value="2"/>
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<minor value="0"/>
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<CFFFont name="CFF2Font">
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<FontMatrix value="0.001 0 0 0.001 0 0"/>
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<FDSelect format="4"/>
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<FDArray>
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<FontDict index="0">
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<Private>
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<BlueScale value="0.039625"/>
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<BlueShift value="7"/>
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<BlueFuzz value="1"/>
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</Private>
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</FontDict>
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<FontDict index="1">
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<Private>
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<BlueScale value="0.039625"/>
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<BlueShift value="7"/>
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<BlueFuzz value="1"/>
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</Private>
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</FontDict>
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</FDArray>
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<CharStrings>
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<CharString name=".notdef" fdSelectIndex="0">
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</CharString>
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<CharString name="A" fdSelectIndex="0">
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0 hmoveto
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103 hlineto
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107 357 22 71 20 73 19 74 rlinecurve
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4 hlineto
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20 -74 20 -73 22 -71 rrcurveto
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106 -357 108 0 -217 655 rlineto
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-117 hlineto
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-96 -467 rmoveto
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306 hlineto
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0 80 rlineto
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-306 hlineto
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</CharString>
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<CharString name="a" fdSelectIndex="1">
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193 -12 rmoveto
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60 52 30 38 45 hvcurveto
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3 hlineto
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8 -56 82 0 0 294 rlineto
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130 0 -56 77 -121 hhcurveto
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-78 -69 -32 -32 -50 hvcurveto
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38 -68 rlineto
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26 41 48 24 52 hhcurveto
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73 20 -51 -57 1 hvcurveto
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-204 -22 -89 -54 0 -106 rrcurveto
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-86 0 60 -55 84 hhcurveto
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31 79 rmoveto
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-44 -34 21 49 0 hvcurveto
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0 55 50 37 146 18 0 -122 rcurveline
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-38 -41 -34 -21 -43 hhcurveto
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</CharString>
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</CharStrings>
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</CFFFont>
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<GlobalSubrs>
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<!-- The 'index' attribute is only for humans; it is ignored when parsed. -->
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</GlobalSubrs>
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</CFF2>
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</ttFont>
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