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00009 #ifndef __INDICLAYOUTENGINE_H
00010 #define __INDICLAYOUTENGINE_H
00011
00012 #include "LETypes.h"
00013 #include "LEFontInstance.h"
00014 #include "LEGlyphFilter.h"
00015 #include "LayoutEngine.h"
00016 #include "OpenTypeLayoutEngine.h"
00017
00018 #include "GlyphSubstitutionTables.h"
00019 #include "GlyphDefinitionTables.h"
00020 #include "GlyphPositioningTables.h"
00021
00022 #include <string.h>
00023
00024 U_NAMESPACE_BEGIN
00025
00037 class IndicOpenTypeLayoutEngine : public OpenTypeLayoutEngine
00038 {
00039 public:
00057 IndicOpenTypeLayoutEngine(const LEFontInstance *fontInstance, le_int32 scriptCode, le_int32 languageCode,
00058 const GlyphSubstitutionTableHeader *gsubTable);
00059
00073 IndicOpenTypeLayoutEngine(const LEFontInstance *fontInstance, le_int32 scriptCode, le_int32 languageCode);
00074
00080 virtual ~IndicOpenTypeLayoutEngine();
00081
00087 virtual inline UClassID getDynamicClassID() const { return getStaticClassID(); }
00088
00094 static inline UClassID getStaticClassID() { return (UClassID)&fgClassID; }
00095
00096 protected:
00097
00121 virtual le_int32 characterProcessing(const LEUnicode chars[], le_int32 offset, le_int32 count, le_int32 max, le_bool rightToLeft,
00122 LEUnicode *&outChars, le_int32 *&charIndices, const LETag **&featureTags, LEErrorCode &success);
00123
00153 virtual le_int32 glyphProcessing(const LEUnicode chars[], le_int32 offset, le_int32 count, le_int32 max, le_bool rightToLeft,
00154 const LETag **featureTags, LEGlyphID *&glyphs, le_int32 *&charIndices, LEErrorCode &success);
00155
00156 private:
00157
00162 static const char fgClassID;
00163 };
00164
00165 U_NAMESPACE_END
00166 #endif
00167