1 /* 2 * 3 * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved 4 * 5 */ 6 7 #ifndef __GLYPHSUBSTITUTIONTABLES_H 8 #define __GLYPHSUBSTITUTIONTABLES_H 9 10 /** 11 * \file 12 * \internal 13 */ 14 15 #include "LETypes.h" 16 #include "OpenTypeTables.h" 17 #include "Lookups.h" 18 #include "GlyphLookupTables.h" 19 20 U_NAMESPACE_BEGIN 21 22 class LEGlyphStorage; 23 class LEGlyphFilter; 24 struct GlyphDefinitionTableHeader; 25 26 struct GlyphSubstitutionTableHeader : public GlyphLookupTableHeader 27 { 28 le_int32 process(LEGlyphStorage &glyphStorage, le_bool rightToLeft, LETag scriptTag, LETag languageTag, 29 const GlyphDefinitionTableHeader *glyphDefinitionTableHeader, const LEGlyphFilter *filter, 30 const FeatureMap *featureMap, le_int32 featureMapCount, le_bool featureOrder) const; 31 }; 32 33 enum GlyphSubstitutionSubtableTypes 34 { 35 gsstSingle = 1, 36 gsstMultiple = 2, 37 gsstAlternate = 3, 38 gsstLigature = 4, 39 gsstContext = 5, 40 gsstChainingContext = 6, 41 gsstExtension = 7, 42 gsstReverseChaining = 8 43 }; 44 45 typedef LookupSubtable GlyphSubstitutionSubtable; 46 47 U_NAMESPACE_END 48 #endif 49