sl@0: /*
sl@0:  * %W% %E%
sl@0:  *
sl@0:  * (C) Copyright IBM Corp. 2002 - All Rights Reserved
sl@0:  *
sl@0:  */
sl@0: 
sl@0: #include "LETypes.h"
sl@0: #include "OpenTypeTables.h"
sl@0: #include "GlyphSubstitutionTables.h"
sl@0: #include "LookupProcessor.h"
sl@0: #include "ExtensionSubtables.h"
sl@0: #include "GlyphIterator.h"
sl@0: #include "LESwaps.h"
sl@0: 
sl@0: U_NAMESPACE_BEGIN
sl@0: 
sl@0: 
sl@0: // FIXME: should look at the format too... maybe have a sub-class for it?
sl@0: le_uint32 ExtensionSubtable::process(const LookupProcessor *lookupProcessor, le_uint16 lookupType,
sl@0:                                       GlyphIterator *glyphIterator, const LEFontInstance *fontInstance,
sl@0:                                       LEErrorCode& success) const
sl@0: {
sl@0:     if (LE_FAILURE(success)) {
sl@0:         return 0;
sl@0:     }
sl@0:     le_uint16 elt = SWAPW(extensionLookupType);
sl@0: 
sl@0:     if (elt != lookupType) {
sl@0:         le_uint32 extOffset = SWAPL(extensionOffset);
sl@0:         LookupSubtable *subtable = (LookupSubtable *) ((char *) this + extOffset);
sl@0: 
sl@0:         return lookupProcessor->applySubtable(subtable, elt, glyphIterator, fontInstance, success);
sl@0:     }
sl@0: 
sl@0:     return 0;
sl@0: }
sl@0: 
sl@0: U_NAMESPACE_END