57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
/*
|
|
* (C) Copyright IBM Corp. 1998 - 2015 - 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 || LE_FAILURE(success)) {
|
|
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
|