sl@0: /*
sl@0:  * (C) Copyright IBM Corp. 1998 - 2005 - All Rights Reserved
sl@0:  *
sl@0:  */
sl@0: 
sl@0: #include "LETypes.h"
sl@0: #include "OpenTypeTables.h"
sl@0: #include "GlyphPositioningTables.h"
sl@0: #include "CursiveAttachmentSubtables.h"
sl@0: #include "AnchorTables.h"
sl@0: #include "GlyphIterator.h"
sl@0: #include "OpenTypeUtilities.h"
sl@0: #include "LESwaps.h"
sl@0: 
sl@0: U_NAMESPACE_BEGIN
sl@0: 
sl@0: le_uint32 CursiveAttachmentSubtable::process(GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const
sl@0: {
sl@0:     LEGlyphID glyphID       = glyphIterator->getCurrGlyphID();
sl@0:     le_int32  coverageIndex = getGlyphCoverage(glyphID);
sl@0:     le_uint16 eeCount       = SWAPW(entryExitCount);
sl@0: 
sl@0:     if (coverageIndex < 0 || coverageIndex >= eeCount) {
sl@0:         glyphIterator->setCursiveGlyph();
sl@0:         return 0;
sl@0:     }
sl@0: 
sl@0:     LEPoint entryAnchor, exitAnchor;
sl@0:     Offset entryOffset = SWAPW(entryExitRecords[coverageIndex].entryAnchor);
sl@0:     Offset exitOffset  = SWAPW(entryExitRecords[coverageIndex].exitAnchor);
sl@0: 
sl@0:     if (entryOffset != 0) {
sl@0:         const AnchorTable *entryAnchorTable = (const AnchorTable *) ((char *) this + entryOffset);
sl@0: 
sl@0:         entryAnchorTable->getAnchor(glyphID, fontInstance, entryAnchor);
sl@0:         glyphIterator->setCursiveEntryPoint(entryAnchor);
sl@0:     }
sl@0: 
sl@0:     if (exitOffset != 0) {
sl@0:         const AnchorTable *exitAnchorTable = (const AnchorTable *) ((char *) this + exitOffset);
sl@0: 
sl@0:         exitAnchorTable->getAnchor(glyphID, fontInstance, exitAnchor);
sl@0:         glyphIterator->setCursiveExitPoint(exitAnchor);
sl@0:     }
sl@0: 
sl@0:     return 1;
sl@0: }
sl@0: 
sl@0: U_NAMESPACE_END