1 /* 2 * %W% %E% 3 * 4 * (C) Copyright IBM Corp. 2008 - All Rights Reserved 5 * 6 */ 7 8 #include "LETypes.h" 9 #include "OpenTypeTables.h" 10 #include "GlyphSubstitutionTables.h" 11 #include "LookupProcessor.h" 12 #include "ExtensionSubtables.h" 13 #include "GlyphIterator.h" 14 #include "LESwaps.h" 15 16 U_NAMESPACE_BEGIN 17 18 19 // FIXME: should look at the format too... maybe have a sub-class for it? 20 le_uint32 ExtensionSubtable::process(const LookupProcessor *lookupProcessor, le_uint16 lookupType, 21 GlyphIterator *glyphIterator, const LEFontInstance *fontInstance, LEErrorCode& success) const 22 { 23 if (LE_FAILURE(success)) { 24 return 0; 25 } 26 27 le_uint16 elt = SWAPW(extensionLookupType); 28 29 if (elt != lookupType) { 30 le_uint32 extOffset = SWAPL(extensionOffset); 31 LookupSubtable *subtable = (LookupSubtable *) ((char *) this + extOffset); 32 33 return lookupProcessor->applySubtable(subtable, elt, glyphIterator, fontInstance, success); 34 } 35 36 return 0; 37 } 38 39 U_NAMESPACE_END 40
