229 lines
4.5 KiB
C
229 lines
4.5 KiB
C
/*
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* %W% %E%
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*
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* (C) Copyright IBM Corp. 1998 - All Rights Reserved
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*
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* Portions Copyright 1998 by Sun Microsystems, Inc.,
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* 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
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* All rights reserved.
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*
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* This software is the confidential and proprietary information
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* of Sun Microsystems, Inc. ("Confidential Information"). You
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* shall not disclose such Confidential Information and shall use
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* it only in accordance with the terms of the license agreement
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* you entered into with Sun.
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*
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* The original version of this source code and documentation is
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* copyrighted and owned by IBM. These materials are provided
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* under terms of a License Agreement between IBM and Sun.
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* This technology is protected by multiple US and International
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* patents. This notice and attribution to IBM may not be removed.
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*/
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#ifndef __SFNT_H
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#define __SFNT_H
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#include "LETypes.h"
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#ifndef ANY_NUMBER
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#define ANY_NUMBER 1
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#endif
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struct DirectoryEntry
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{
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le_uint32 tag;
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le_uint32 checksum;
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le_uint32 offset;
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le_uint32 length;
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};
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struct SFNTDirectory
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{
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le_uint32 scalerType;
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le_uint16 numTables;
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le_uint16 searchRange;
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le_uint16 entrySelector;
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le_uint16 rangeShift;
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DirectoryEntry tableDirectory[ANY_NUMBER];
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};
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struct CMAPEncodingSubtableHeader
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{
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le_uint16 platformID;
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le_uint16 platformSpecificID;
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le_uint32 encodingOffset;
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};
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struct CMAPTable
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{
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le_uint16 version;
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le_uint16 numberSubtables;
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CMAPEncodingSubtableHeader encodingSubtableHeaders[ANY_NUMBER];
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};
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struct CMAPEncodingSubtable
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{
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le_uint16 format;
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le_uint16 length;
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le_uint16 language;
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};
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struct CMAPFormat0Encoding : CMAPEncodingSubtable
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{
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le_uint8 glyphIndexArray[256];
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};
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struct CMAPFormat2Subheader
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{
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le_uint16 firstCode;
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le_uint16 entryCount;
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le_int16 idDelta;
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le_uint16 idRangeOffset;
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};
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struct CMAPFormat2Encoding : CMAPEncodingSubtable
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{
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le_uint16 subHeadKeys[256];
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CMAPFormat2Subheader subheaders[ANY_NUMBER];
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};
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struct CMAPFormat4Encoding : CMAPEncodingSubtable
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{
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le_uint16 segCountX2;
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le_uint16 searchRange;
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le_uint16 entrySelector;
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le_uint16 rangeShift;
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le_uint16 endCodes[ANY_NUMBER];
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// le_uint16 reservedPad;
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// le_uint16 startCodes[ANY_NUMBER];
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// le_uint16 idDelta[ANY_NUMBER];
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// le_uint16 idRangeOffset[ANY_NUMBER];
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// le_uint16 glyphIndexArray[ANY_NUMBER];
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};
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struct CMAPFormat6Encoding : CMAPEncodingSubtable
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{
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le_uint16 firstCode;
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le_uint16 entryCount;
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le_uint16 glyphIndexArray[ANY_NUMBER];
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};
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struct CMAPEncodingSubtable32
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{
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le_uint32 format;
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le_uint32 length;
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le_uint32 language;
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};
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struct CMAPGroup
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{
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le_uint32 startCharCode;
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le_uint32 endCharCode;
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le_uint32 startGlyphCode;
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};
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struct CMAPFormat8Encoding : CMAPEncodingSubtable32
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{
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le_uint32 is32[65536/32];
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le_uint32 nGroups;
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CMAPGroup groups[ANY_NUMBER];
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};
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struct CMAPFormat10Encoding : CMAPEncodingSubtable32
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{
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le_uint32 startCharCode;
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le_uint32 numCharCodes;
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le_uint16 glyphs[ANY_NUMBER];
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};
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struct CMAPFormat12Encoding : CMAPEncodingSubtable32
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{
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le_uint32 nGroups;
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CMAPGroup groups[ANY_NUMBER];
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};
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typedef le_int32 fixed;
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struct BigDate
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{
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le_uint32 bc;
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le_uint32 ad;
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};
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struct HEADTable
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{
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fixed version;
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fixed fontRevision;
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le_uint32 checksumAdjustment;
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le_uint32 magicNumber;
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le_uint16 flags;
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le_uint16 unitsPerEm;
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BigDate created;
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BigDate modified;
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le_int16 xMin;
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le_int16 yMin;
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le_int16 xMax;
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le_int16 yMax;
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le_int16 lowestRecPPEM;
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le_int16 fontDirectionHint;
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le_int16 indexToLocFormat;
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le_int16 glyphDataFormat;
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};
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struct MAXPTable
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{
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fixed version;
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le_uint16 numGlyphs;
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le_uint16 maxPoints;
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le_uint16 maxContours;
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le_uint16 maxComponentPoints;
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le_uint16 maxComponentContours;
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le_uint16 maxZones;
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le_uint16 maxTwilightPoints;
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le_uint16 maxStorage;
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le_uint16 maxFunctionDefs;
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le_uint16 maxInstructionDefs;
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le_uint16 maxStackElements;
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le_uint16 maxSizeOfInstructions;
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le_uint16 maxComponentElements;
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le_uint16 maxComponentDepth;
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};
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struct HHEATable
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{
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fixed version;
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le_int16 ascent;
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le_int16 descent;
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le_int16 lineGap;
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le_uint16 advanceWidthMax;
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le_int16 minLeftSideBearing;
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le_int16 minRightSideBearing;
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le_int16 xMaxExtent;
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le_int16 caretSlopeRise;
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le_int16 caretSlopeRun;
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le_int16 caretOffset;
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le_int16 reserved1;
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le_int16 reserved2;
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le_int16 reserved3;
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le_int16 reserved4;
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le_int16 metricDataFormat;
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le_uint16 numOfLongHorMetrics;
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};
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struct LongHorMetric
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{
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le_uint16 advanceWidth;
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le_int16 leftSideBearing;
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};
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struct HMTXTable
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{
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LongHorMetric hMetrics[ANY_NUMBER]; // ANY_NUMBER = numOfLongHorMetrics from hhea table
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// le_int16 leftSideBearing[ANY_NUMBER]; // ANY_NUMBER = numGlyphs - numOfLongHorMetrics
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};
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#endif
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