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/*
* @(#)SinglePositioningSubtables.cpp 1.8 00/03/15
*
* (C) Copyright IBM Corp. 1998, 1999, 2000, 2001 - All Rights Reserved
*
*/
#include "LETypes.h"
#include "LEFontInstance.h"
#include "OpenTypeTables.h"
#include "GlyphPositioningTables.h"
#include "SinglePositioningSubtables.h"
#include "ValueRecords.h"
#include "GlyphIterator.h"
#include "GlyphPositionAdjustments.h"
#include "LESwaps.h"
U_NAMESPACE_BEGIN
le_uint32 SinglePositioningSubtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const
{
switch(SWAPW(subtableFormat))
{
case 0:
return 0;
case 1:
{
const SinglePositioningFormat1Subtable *subtable = (const SinglePositioningFormat1Subtable *) this;
return subtable->process(glyphIterator, fontInstance);
}
case 2:
{
const SinglePositioningFormat2Subtable *subtable = (const SinglePositioningFormat2Subtable *) this;
return subtable->process(glyphIterator, fontInstance);
}
default:
return 0;
}
}
le_uint32 SinglePositioningFormat1Subtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const
{
LEGlyphID glyph = (LEGlyphID) glyphIterator->getCurrGlyphID();
le_int32 coverageIndex = getGlyphCoverage(glyph);
if (coverageIndex >= 0) {
GlyphPositionAdjustment adjustment;
glyphIterator->getCurrGlyphPositionAdjustment(adjustment);
valueRecord.adjustPosition(SWAPW(valueFormat), (const char *) this, adjustment, fontInstance);
glyphIterator->setCurrGlyphPositionAdjustment(&adjustment);
return 1;
}
return 0;
}
le_uint32 SinglePositioningFormat2Subtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const
{
LEGlyphID glyph = (LEGlyphID) glyphIterator->getCurrGlyphID();
le_int16 coverageIndex = (le_int16) getGlyphCoverage(glyph);
if (coverageIndex >= 0) {
GlyphPositionAdjustment adjustment;
glyphIterator->getCurrGlyphPositionAdjustment(adjustment);
valueRecordArray[0].adjustPosition(coverageIndex, SWAPW(valueFormat), (const char *) this, adjustment, fontInstance);
glyphIterator->setCurrGlyphPositionAdjustment(&adjustment);
return 1;
}
return 0;
}
U_NAMESPACE_END
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