89 lines
2.3 KiB
C++
89 lines
2.3 KiB
C++
/*
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*
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* (C) Copyright IBM Corp. 1998-2013 - All Rights Reserved
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*
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*/
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#ifndef __PAIRPOSITIONINGSUBTABLES_H
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#define __PAIRPOSITIONINGSUBTABLES_H
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/**
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* \file
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* \internal
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*/
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#include "LETypes.h"
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#include "LEFontInstance.h"
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#include "OpenTypeTables.h"
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#include "GlyphPositioningTables.h"
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#include "ValueRecords.h"
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#include "GlyphIterator.h"
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U_NAMESPACE_BEGIN
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// NOTE: ValueRecord has a variable size
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struct PairValueRecord
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{
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TTGlyphID secondGlyph;
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ValueRecord valueRecord1;
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// ValueRecord valueRecord2;
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};
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struct PairSetTable
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{
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le_uint16 pairValueCount;
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PairValueRecord pairValueRecordArray[ANY_NUMBER];
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};
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LE_VAR_ARRAY(PairSetTable, pairValueRecordArray)
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struct PairPositioningSubtable : GlyphPositioningSubtable
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{
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ValueFormat valueFormat1;
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ValueFormat valueFormat2;
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le_uint32 process(const LEReferenceTo<PairPositioningSubtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const;
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};
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struct PairPositioningFormat1Subtable : PairPositioningSubtable
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{
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le_uint16 pairSetCount;
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Offset pairSetTableOffsetArray[ANY_NUMBER];
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le_uint32 process(const LEReferenceTo<PairPositioningFormat1Subtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const;
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private:
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const PairValueRecord *findPairValueRecord(TTGlyphID glyphID, const PairValueRecord *records,
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le_uint16 recordCount, le_uint16 recordSize) const;
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};
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LE_VAR_ARRAY(PairPositioningFormat1Subtable, pairSetTableOffsetArray)
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// NOTE: ValueRecord has a variable size
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struct Class2Record
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{
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ValueRecord valueRecord1;
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// ValueRecord valurRecord2;
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};
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struct Class1Record
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{
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Class2Record class2RecordArray[ANY_NUMBER];
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};
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LE_VAR_ARRAY(Class1Record, class2RecordArray)
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struct PairPositioningFormat2Subtable : PairPositioningSubtable
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{
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Offset classDef1Offset;
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Offset classDef2Offset;
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le_uint16 class1Count;
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le_uint16 class2Count;
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Class1Record class1RecordArray[ANY_NUMBER];
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le_uint32 process(const LEReferenceTo<PairPositioningFormat2Subtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const;
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};
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LE_VAR_ARRAY(PairPositioningFormat2Subtable, class1RecordArray)
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U_NAMESPACE_END
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#endif
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