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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
00033 class IndicOpenTypeLayoutEngine : public OpenTypeLayoutEngine
00034 {
00035 public:
00051 IndicOpenTypeLayoutEngine(const LEFontInstance *fontInstance, le_int32 scriptCode, le_int32 languageCode,
00052 const GlyphSubstitutionTableHeader *gsubTable);
00053
00065 IndicOpenTypeLayoutEngine(const LEFontInstance *fontInstance, le_int32 scriptCode, le_int32 languageCode);
00066
00070 virtual ~IndicOpenTypeLayoutEngine();
00071
00072 protected:
00073
00095 virtual le_int32 characterProcessing(const LEUnicode chars[], le_int32 offset, le_int32 count, le_int32 max, le_bool rightToLeft,
00096 LEUnicode *&outChars, le_int32 *&charIndices, const LETag **&featureTags, LEErrorCode &success);
00097
00125
00126
00127 virtual le_int32 glyphProcessing(const LEUnicode chars[], le_int32 offset, le_int32 count, le_int32 max, le_bool rightToLeft,
00128 const LETag **featureTags, LEGlyphID *&glyphs, le_int32 *&charIndices, LEErrorCode &success);
00129 };
00130
00131 #endif
00132