Edit File: sfnt.h
/* ****************************************************************************** * * © 2016 and later: Unicode, Inc. and others. * License & terms of use: http://www.unicode.org/copyright.html * ****************************************************************************** ****************************************************************************** * * * 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
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