CTUnicodeTranslator.h

//========================================================================================
// 
// $File$
// 
// Owner: Michiko Jessett
// 
// $Author$
// 
// $DateTime$
// 
// $Revision$
// 
// $Change$
// 
// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
// 
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance 
// with the terms of the Adobe license agreement accompanying it. If you have received
// this file from a source other than Adobe, then your use, modification, or 
// distribution of it requires the prior written permission of Adobe.
// 
//========================================================================================

#ifndef __CTUNICODETRANSLATOR__
#define __CTUNICODETRANSLATOR__

#include "CTextEnum.h"
#include "BravoForwardDecl.h"

class UnicodeTranslateFromTo;

#ifdef MACINTOSH
 // faking symbols not in Type1 fonts but used to be faked on the mac.
bool16 IsFakedOutSymbolUnicode(UTF32TextChar c);
bool16 IsFakedOutSymbolPlatform(char c);
#endif


class CTUnicodeTranslator
{
 public:
 int32 CharToTextChar(const char* fromString, int32 fromStrLength, UTF16TextChar* toString, int32 toStrLength,
 int32 writingscript = kDontKnowScript);

 int32 TextCharToChar(const UTF16TextChar* fromString, int32 fromStrCharCount, char* toString,
 int32 toStrLength, int32 writingscript = kDontKnowScript); 

 int32 TextCharToChar_Exact(const textchar* fromString, int32 fromStrCharCount, char* toString,
 int32 toStrLength, bool16& stoppedFlag, int32& bytesTranslated, int32 writingscript = kDontKnowScript);

 static CTUnicodeTranslator* Instance();
 static CTEncoding* GetUnicodeEncoding();
 static void DeleteInstance();
 
 protected:
 CTUnicodeTranslator(); 
 ~CTUnicodeTranslator();
 UnicodeTranslateFromTo* DetermineFontIndependentTranslator(int32 script);


 private:
 static IDThreading::ThreadLocal<CTUnicodeTranslator *> tl_UniTranslator;
 static IDThreading::ThreadLocalManagedObject<CCTEncoding> tl_Unicoding;
 
 int32 fToScript;
 int32 fFromScript;

 // For GlyphIDToTextChar
 
 UnicodeTranslateFromTo* fFontIndependentNonRoman;
 UnicodeTranslateFromTo* fFontIndependentRoman;
};


#endif