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/*
* (C) Copyright IBM Corp. 1998 - 2013 - All Rights Reserved
*
*/
#include "LETypes.h"
#include "OpenTypeTables.h"
#include "GlyphPositioningTables.h"
#include "CursiveAttachmentSubtables.h"
#include "AnchorTables.h"
#include "GlyphIterator.h"
#include "OpenTypeUtilities.h"
#include "LESwaps.h"
U_NAMESPACE_BEGIN
le_uint32 CursiveAttachmentSubtable::process(const LEReferenceTo<CursiveAttachmentSubtable> &base, GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode &success) const
{
LEGlyphID glyphID = glyphIterator->getCurrGlyphID();
le_int32 coverageIndex = getGlyphCoverage(base, glyphID, success);
le_uint16 eeCount = SWAPW(entryExitCount);
LEReferenceToArrayOf<EntryExitRecord>
entryExitRecordsArrayRef(base, success, entryExitRecords, coverageIndex);
if (coverageIndex < 0 || coverageIndex >= eeCount) {
glyphIterator->setCursiveGlyph();
return 0;
}
LEPoint entryAnchor, exitAnchor;
Offset entryOffset = SWAPW(entryExitRecords[coverageIndex].entryAnchor);
Offset exitOffset = SWAPW(entryExitRecords[coverageIndex].exitAnchor);
if (entryOffset != 0) {
const AnchorTable *entryAnchorTable = (const AnchorTable *) ((char *) this + entryOffset);
entryAnchorTable->getAnchor(glyphID, fontInstance, entryAnchor);
glyphIterator->setCursiveEntryPoint(entryAnchor);
} else {
//glyphIterator->clearCursiveEntryPoint();
}
if (exitOffset != 0) {
const AnchorTable *exitAnchorTable = (const AnchorTable *) ((char *) this + exitOffset);
exitAnchorTable->getAnchor(glyphID, fontInstance, exitAnchor);
glyphIterator->setCursiveExitPoint(exitAnchor);
} else {
//glyphIterator->clearCursiveExitPoint();
}
return 1;
}
U_NAMESPACE_END
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