--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textbase/sgdi/BidiTextImp.h	Mon Jul 12 14:38:26 2010 +0800
@@ -0,0 +1,125 @@
+// Copyright (c) 2002-2010 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#ifndef BIDITEXTIMP_H_
+#define BIDITEXTIMP_H_
+
+#include "BidiText.h"
+
+class TRunInfoCompact;
+
+class TBidiTextImp : public TBidiText
+/** This is the implementation for the class TBidiText. It is so designed so 
+that it only occupies a single heap cell. This means that it is efficient in 
+memory usage, and can be placed on the cleanup stack without being a C-class.
+@internalComponent */
+	{
+public:
+	static TBidiTextImp* NewL(TInt aLength, TInt aMaxLines, TInt aBdRunArraySize);
+	static TBidiTextImp* Imp(TBidiText* aSelf);
+	static const TBidiTextImp* Imp(const TBidiText* aSelf);
+	static TInt AlignedSizeOf();
+	TText* LogicalText();
+	TText* VisualText();
+	TInt16* LineWidthArray();
+	TRunInfoCompact* BidiRunArray();
+	const TText* LogicalText() const
+		{ return const_cast<TBidiTextImp*>(this)->LogicalText(); }
+	const TText* VisualText() const
+		{ return const_cast<TBidiTextImp*>(this)->VisualText(); }
+	const TInt16* LineWidthArray() const
+		{ return const_cast<TBidiTextImp*>(this)->LineWidthArray(); }
+	const TRunInfoCompact* BidiRunArray() const
+		{ return const_cast<TBidiTextImp*>(this)->BidiRunArray(); }
+	/**
+	@return Current truncation character.
+	@internalComponent */
+	TChar TruncationChar() const
+		{ return static_cast<TInt>(iTruncationCharPlane << 16)
+		+ iTruncationChar16; }
+	
+	inline TInt TextLength() const;
+	inline void SetTextLength(TInt aLength);
+	inline TBool HasRightToLeftDirectionality() const;
+	inline void SetRightToLeftDirectionality(TBool aRightToLeftDirectionality);
+			
+	static TInt RequiredBytes(TInt aLendth, TInt aMaxLines, TInt aBdRunArraySize);
+	inline TInt AllocatedTextDataBytes() const;
+	
+private:
+	inline void SetAllocatedTextDataBytes(TInt aMaxBytes);
+	enum TFlags
+		{
+		EFRightToLeft = 0x10000000,
+		EFTruncateAtBeginning = 0x20000000
+		};
+
+	enum { ELengthMask = 0x0FFFFFFF };
+	TInt iTextLengthAndFlags;
+	TInt iTextDataBytes;	// Number of bytes allocated off the end of the object for text data
+public:	
+	TInt iVisualOrderedTextLength;
+	TUint16 iWrappingWidth;
+	TUint16 iBidiRunArrayLength;
+	TUint8 iLines;
+	TUint8 iTruncationCharPlane;
+	TUint16 iTruncationChar16;
+	};
+
+TInt SizeLineBreak(const TText* aText);
+const TText* FindEndOfThisLine(const TText* aStart, const TText* aEnd);
+TInt NumberOfLines(const TText* aStart, const TText* aEnd);
+
+inline TBidiTextImp* TBidiTextImp::Imp(TBidiText* aSelf)
+	{ return static_cast<TBidiTextImp*>(aSelf); }
+
+inline const TBidiTextImp* TBidiTextImp::Imp(const TBidiText* aSelf)
+	{ return static_cast<const TBidiTextImp*>(aSelf); }
+
+inline TInt TBidiTextImp::AlignedSizeOf()
+	{ return ((sizeof(TBidiTextImp) + 1) & 0xFFFFFFFE); }
+
+inline TInt TBidiTextImp::TextLength() const
+	{ return iTextLengthAndFlags & TBidiTextImp::ELengthMask; }
+	
+inline void TBidiTextImp::SetTextLength(TInt aLength)
+	{ iTextLengthAndFlags &= ~ELengthMask;					// clear old size bits
+	  iTextLengthAndFlags |= (aLength&ELengthMask); }		// set new size bits
+
+inline TBool TBidiTextImp::HasRightToLeftDirectionality() const
+	{ return iTextLengthAndFlags&TBidiTextImp::EFRightToLeft; }
+	
+inline void TBidiTextImp::SetRightToLeftDirectionality(TBool aRightToLeftDirectionality)
+	{
+	if (aRightToLeftDirectionality)
+		iTextLengthAndFlags |= TBidiTextImp::EFRightToLeft;
+	else
+		iTextLengthAndFlags &= ~TBidiTextImp::EFRightToLeft;
+	}
+				
+inline TInt TBidiTextImp::AllocatedTextDataBytes() const
+	{ return iTextDataBytes; }
+
+inline void TBidiTextImp::SetAllocatedTextDataBytes(TInt aTextDataBytes)
+	{ iTextDataBytes = aTextDataBytes; }
+	
+
+/**
+Bidi panic.
+@internalComponent
+*/
+void TextBasePanic(TInt aError);
+
+#endif