45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/*
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* %W% %E%
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*
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* (C) Copyright IBM Corp. 1998, 1999, 2000, 2001 - All Rights Reserved
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*
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*/
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#include "LETypes.h"
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#include "LEGlyphFilter.h"
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#include "OpenTypeTables.h"
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#include "GlyphSubstitutionTables.h"
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#include "MultipleSubstSubtables.h"
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#include "GlyphIterator.h"
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#include "LESwaps.h"
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U_NAMESPACE_BEGIN
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le_uint32 MultipleSubstitutionSubtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const
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{
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LEGlyphID glyph = (LEGlyphID) glyphIterator->getCurrGlyphID();
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le_int32 coverageIndex = getGlyphCoverage(glyph);
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le_uint16 seqCount = SWAPW(sequenceCount);
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if (coverageIndex >= 0 && coverageIndex < seqCount)
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{
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Offset sequenceTableOffset = SWAPW(sequenceTableOffsetArray[coverageIndex]);
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const SequenceTable *sequenceTable = (const SequenceTable *) ((char *) this + sequenceTableOffset);
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le_uint16 glyphCount = SWAPW(sequenceTable->glyphCount);
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if (glyphCount == 0) {
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glyphIterator->setCurrGlyphID(0xFFFF);
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return 1;
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}
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else {
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// Can't do this 'till there's a way to
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// grow the glyph array...
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return 1;
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}
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}
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return 0;
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}
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U_NAMESPACE_END
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