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00008 #ifndef __LOOKUPPROCESSOR_H
00009 #define __LOOKUPPROCESSOR_H
00010
00011 #include "LETypes.h"
00012 #include "LEFontInstance.h"
00013 #include "OpenTypeTables.h"
00014 #include "Lookups.h"
00015 #include "Features.h"
00016 #include "GlyphDefinitionTables.h"
00017 #include "GlyphPositionAdjustments.h"
00018 #include "GlyphIterator.h"
00019
00020 class LookupProcessor
00021 {
00022 public:
00023 static LETag notSelected;
00024 static LETag defaultFeature;
00025
00026 void process(LEGlyphID *glyphs, GlyphPositionAdjustment *glyphPositionAdjustments, const LETag **glyphTags, le_int32 glyphCount,
00027 le_bool rightToLeft, GlyphDefinitionTableHeader *glyphDefinitionTableHeader, LEFontInstance *fontInstance);
00028
00029 le_uint32 applyLookupTable(LookupTable *lookupTable, GlyphIterator *glyphIterator, LEFontInstance *fontInstance);
00030
00031 le_uint32 applySingleLookup(le_uint16 lookupTableIndex, GlyphIterator *glyphIterator, LEFontInstance *fontInstance);
00032
00033 virtual le_uint32 applySubtable(LookupSubtable *lookupSubtable, le_uint16 subtableType,
00034 GlyphIterator *glyphIterator, LEFontInstance *fontInstance) = 0;
00035
00036 virtual ~LookupProcessor();
00037
00038 protected:
00039 LookupProcessor(char *baseAddress,
00040 Offset scriptListOffset, Offset featureListOffset, Offset lookupListOffset,
00041 LETag scriptTag, LETag languageTag);
00042
00043 LookupProcessor();
00044
00045 LETag selectFeature(le_uint16 featureIndex, LETag tagOverride = notSelected);
00046
00047 LookupListTable *lookupListTable;
00048 FeatureListTable *featureListTable;
00049
00050 LETag *lookupSelectArray;
00051 LETag requiredFeatureTag;
00052 };
00053
00054 #endif