75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
// Copyright (C) 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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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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#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 "SinglePositioningSubtables.h"
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#include "ValueRecords.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 SinglePositioningSubtable::process(const LEReferenceTo<SinglePositioningSubtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const
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{
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switch(SWAPW(subtableFormat))
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{
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case 0:
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return 0;
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case 1:
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{
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const LEReferenceTo<SinglePositioningFormat1Subtable> subtable(base, success, (const SinglePositioningFormat1Subtable *) this);
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return subtable->process(subtable, glyphIterator, fontInstance, success);
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}
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case 2:
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{
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const LEReferenceTo<SinglePositioningFormat2Subtable> subtable(base, success, (const SinglePositioningFormat2Subtable *) this);
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return subtable->process(subtable, glyphIterator, fontInstance, success);
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}
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default:
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return 0;
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}
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}
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le_uint32 SinglePositioningFormat1Subtable::process(const LEReferenceTo<SinglePositioningFormat1Subtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const
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{
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LEGlyphID glyph = glyphIterator->getCurrGlyphID();
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le_int32 coverageIndex = getGlyphCoverage(base, glyph, success);
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if (coverageIndex >= 0) {
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valueRecord.adjustPosition(SWAPW(valueFormat), (const char *) this, *glyphIterator, fontInstance);
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return 1;
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}
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return 0;
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}
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le_uint32 SinglePositioningFormat2Subtable::process(const LEReferenceTo<SinglePositioningFormat2Subtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const
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{
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LEGlyphID glyph = glyphIterator->getCurrGlyphID();
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le_int16 coverageIndex = (le_int16) getGlyphCoverage(base, glyph, success);
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if (coverageIndex >= 0) {
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valueRecordArray[0].adjustPosition(coverageIndex, SWAPW(valueFormat), (const char *) this, *glyphIterator, fontInstance);
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return 1;
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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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