AlkantarClanX12
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/*
******************************************************************************
*
* © 2016 and later: Unicode, Inc. and others.
* License & terms of use: http://www.unicode.org/copyright.html#License
*
******************************************************************************
****************************************************************************** *
*
* Copyright (C) 1999-2001, International Business Machines
* Corporation and others. All Rights Reserved.
*
****************************************************************************** *
* file name: sfnt.h
*
* created on: ??/??/2001
* created by: Eric R. Mader
*/
#ifndef __SFNT_H
#define __SFNT_H
#include "LETypes.h"
#ifndef ANY_NUMBER
#define ANY_NUMBER 1
#endif
struct DirectoryEntry
{
le_uint32 tag;
le_uint32 checksum;
le_uint32 offset;
le_uint32 length;
};
struct SFNTDirectory
{
le_uint32 scalerType;
le_uint16 numTables;
le_uint16 searchRange;
le_uint16 entrySelector;
le_uint16 rangeShift;
DirectoryEntry tableDirectory[ANY_NUMBER];
};
struct CMAPEncodingSubtableHeader
{
le_uint16 platformID;
le_uint16 platformSpecificID;
le_uint32 encodingOffset;
};
struct CMAPTable
{
le_uint16 version;
le_uint16 numberSubtables;
CMAPEncodingSubtableHeader encodingSubtableHeaders[ANY_NUMBER];
};
struct CMAPEncodingSubtable
{
le_uint16 format;
le_uint16 length;
le_uint16 language;
};
struct CMAPFormat0Encoding : CMAPEncodingSubtable
{
le_uint8 glyphIndexArray[256];
};
struct CMAPFormat2Subheader
{
le_uint16 firstCode;
le_uint16 entryCount;
le_int16 idDelta;
le_uint16 idRangeOffset;
};
struct CMAPFormat2Encoding : CMAPEncodingSubtable
{
le_uint16 subHeadKeys[256];
CMAPFormat2Subheader subheaders[ANY_NUMBER];
};
struct CMAPFormat4Encoding : CMAPEncodingSubtable
{
le_uint16 segCountX2;
le_uint16 searchRange;
le_uint16 entrySelector;
le_uint16 rangeShift;
le_uint16 endCodes[ANY_NUMBER];
// le_uint16 reservedPad;
// le_uint16 startCodes[ANY_NUMBER];
// le_uint16 idDelta[ANY_NUMBER];
// le_uint16 idRangeOffset[ANY_NUMBER];
// le_uint16 glyphIndexArray[ANY_NUMBER];
};
struct CMAPFormat6Encoding : CMAPEncodingSubtable
{
le_uint16 firstCode;
le_uint16 entryCount;
le_uint16 glyphIndexArray[ANY_NUMBER];
};
struct CMAPEncodingSubtable32
{
le_uint32 format;
le_uint32 length;
le_uint32 language;
};
struct CMAPGroup
{
le_uint32 startCharCode;
le_uint32 endCharCode;
le_uint32 startGlyphCode;
};
struct CMAPFormat8Encoding : CMAPEncodingSubtable32
{
le_uint32 is32[65536/32];
le_uint32 nGroups;
CMAPGroup groups[ANY_NUMBER];
};
struct CMAPFormat10Encoding : CMAPEncodingSubtable32
{
le_uint32 startCharCode;
le_uint32 numCharCodes;
le_uint16 glyphs[ANY_NUMBER];
};
struct CMAPFormat12Encoding : CMAPEncodingSubtable32
{
le_uint32 nGroups;
CMAPGroup groups[ANY_NUMBER];
};
typedef le_int32 fixed;
struct BigDate
{
le_uint32 bc;
le_uint32 ad;
};
struct HEADTable
{
fixed version;
fixed fontRevision;
le_uint32 checksumAdjustment;
le_uint32 magicNumber;
le_uint16 flags;
le_uint16 unitsPerEm;
BigDate created;
BigDate modified;
le_int16 xMin;
le_int16 yMin;
le_int16 xMax;
le_int16 yMax;
le_int16 lowestRecPPEM;
le_int16 fontDirectionHint;
le_int16 indexToLocFormat;
le_int16 glyphDataFormat;
};
struct MAXPTable
{
fixed version;
le_uint16 numGlyphs;
le_uint16 maxPoints;
le_uint16 maxContours;
le_uint16 maxComponentPoints;
le_uint16 maxComponentContours;
le_uint16 maxZones;
le_uint16 maxTwilightPoints;
le_uint16 maxStorage;
le_uint16 maxFunctionDefs;
le_uint16 maxInstructionDefs;
le_uint16 maxStackElements;
le_uint16 maxSizeOfInstructions;
le_uint16 maxComponentElements;
le_uint16 maxComponentDepth;
};
struct HHEATable
{
fixed version;
le_int16 ascent;
le_int16 descent;
le_int16 lineGap;
le_uint16 advanceWidthMax;
le_int16 minLeftSideBearing;
le_int16 minRightSideBearing;
le_int16 xMaxExtent;
le_int16 caretSlopeRise;
le_int16 caretSlopeRun;
le_int16 caretOffset;
le_int16 reserved1;
le_int16 reserved2;
le_int16 reserved3;
le_int16 reserved4;
le_int16 metricDataFormat;
le_uint16 numOfLongHorMetrics;
};
struct LongHorMetric
{
le_uint16 advanceWidth;
le_int16 leftSideBearing;
};
struct HMTXTable
{
LongHorMetric hMetrics[ANY_NUMBER]; // ANY_NUMBER = numOfLongHorMetrics from hhea table
// le_int16 leftSideBearing[ANY_NUMBER]; // ANY_NUMBER = numGlyphs - numOfLongHorMetrics
};
#endif