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ThaiLayoutEngine.h

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00001 
00002 /*
00003  * @(#)ThaiLayoutEngine.h       1.3 00/03/15
00004  *
00005  * (C) Copyright IBM Corp. 1998, 1999, 2000, 2001, 2002 - All Rights Reserved
00006  *
00007  */
00008 
00009 #ifndef __THAILAYOUTENGINE_H
00010 #define __THAILAYOUTENGINE_H
00011 
00012 #include "LETypes.h"
00013 #include "LEFontInstance.h"
00014 #include "LayoutEngine.h"
00015 
00016 #include "ThaiShaping.h"
00017 
00018 #include "cmemory.h"
00019 
00020 U_NAMESPACE_BEGIN
00021 
00030 class ThaiLayoutEngine : public LayoutEngine
00031 {
00032 public:
00047     ThaiLayoutEngine(const LEFontInstance *fontInstance, le_int32 scriptCode, le_int32 languageCode);
00048 
00054     virtual ~ThaiLayoutEngine();
00055 
00061     virtual inline UClassID getDynamicClassID() const { return getStaticClassID(); }
00062 
00068     static inline UClassID getStaticClassID() { return (UClassID)&fgClassID; }
00069 
00070 protected:
00079     le_uint8 fGlyphSet;
00080 
00091     LEUnicode fErrorChar;
00092 
00116     virtual le_int32 computeGlyphs(const LEUnicode chars[], le_int32 offset, le_int32 count, le_int32 max, le_bool rightToLeft,
00117         LEGlyphID *&glyphs, le_int32 *&charIndices, LEErrorCode &success);
00118 
00119 private:
00120 
00125     static const char fgClassID;
00126 };
00127 
00128 U_NAMESPACE_END
00129 #endif
00130 

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