1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/textandloc/textrendering/texthandling/inc/TXTFMSTM.H	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,83 @@
     1.4 +/*
     1.5 +* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: 
    1.18 +* PRIVATE HEADER FILE CONTAINING IMPLEMENTATION SPECIFIC CLASSES
    1.19 +*
    1.20 +*/
    1.21 +
    1.22 +
    1.23 +#ifndef __TXTFMSTM_H__
    1.24 +#define __TXTFMSTM_H__
    1.25 +
    1.26 +#include <e32std.h>
    1.27 +#include <txtfrmat.h>
    1.28 +
    1.29 +// forward declarations
    1.30 +class RReadStream;
    1.31 +class RWriteStream;
    1.32 +class TCharFormatX;
    1.33 +class TCharFormatXMask;
    1.34 +
    1.35 +/**
    1.36 +stores format attributes as bytecode, this class is intended for internal use only. 
    1.37 +@publishedAll
    1.38 +*/
    1.39 +class RFormatStream
    1.40 +	{
    1.41 +public:
    1.42 +	RFormatStream();
    1.43 +	void CopyL(const RFormatStream& aSource);
    1.44 +	void ExternalizeL(RWriteStream& aStream) const;
    1.45 +	void InternalizeL(RReadStream& aStream);
    1.46 +	void Reset();
    1.47 +	const TUint8* Ptr(TInt& aSize) const;
    1.48 +	void SetParaFormatL(const CParaFormat& aDesiredFormat,const TParaFormatMask& aDesiredMask,const CParaFormat& aCurrentFormat);
    1.49 +	void SenseParaFormatL(CParaFormat& aParaFormat,TParaFormatMask& aMask,CParaFormat::TParaFormatGetMode aMode)const;
    1.50 +	void SetCharFormatL(const TCharFormatX& aCharFormat,const TCharFormatXMask& aMask);
    1.51 +	void SenseCharFormat(TCharFormatX& aCharFormat,TCharFormatXMask& aMask)const;
    1.52 +	void Swap(RFormatStream& aStream);
    1.53 +
    1.54 +private:
    1.55 +	void AllocL(TInt aSize);
    1.56 +	TInt Length(TUint8*& aPtr,TTextFormatAttribute aType)const;
    1.57 +	TInt DoCalcSizeParaFormat(const CParaFormat& aDesiredFormat,TParaFormatMask aMask,const CParaFormat& aCurrentFormat);
    1.58 +	void DoSetParaFormat(const CParaFormat& aDesiredFormat,TParaFormatMask aMask,const CParaFormat& aCurrentFormat);
    1.59 +	void RemoveRedundantCharFormat(TCharFormatMask& aMask,const TCharFormatX& aFormat,const TCharFormatX& aEffectiveFormat);
    1.60 +	TInt DoCalcSizeCharFormat(const TCharFormatX& aCharFormat,const TCharFormatXMask& aMask);
    1.61 +	void DoStoreCharFormat(const TCharFormatX& aCharFormat,TCharFormatXMask aMask);
    1.62 +	TUint8* StoreBullet(TUint8* aPtr,const TBullet& aSource);
    1.63 +	TUint8* StoreBorder(TUint8* aPtr,TTextFormatAttribute aType,const TParaBorder& aSource);
    1.64 +	TUint8* StoreTab(TUint8* aPtr,const TTabStop& aSource);
    1.65 +	TInt StoreTabs(TUint8*& aPtr,const CParaFormat& aDesiredFormat,const CParaFormat& aCurrentFormat,TBool aStoreData);
    1.66 +	TInt MergeTabLists(TUint8*& aPtr,const CParaFormat& aDesiredFormat,TInt aDesiredTabCount,
    1.67 +					   const CParaFormat& aCurrentFormat,TInt aCurrentTabCount,TBool aStoreData);
    1.68 +	void StoreAllTabs(TUint8*& aPtr,const CParaFormat& aSource);
    1.69 +	TUint8* Store(TUint8* aPtr,const TLogicalRgb& aRgb);
    1.70 +	TUint8* Store(TUint8* aPtr,const TTypeface& aTypeface);
    1.71 +	TUint8* ReadValue(TUint8* aPtr,TLogicalRgb& aRgb)const;
    1.72 +	TUint8* ReadValue(TUint8* aPtr,TTypeface& aTypeface)const;
    1.73 +	TUint8* ReadValue(TUint8* aPtr,TParaBorder& aBorder)const;
    1.74 +	TUint8* ReadValue(TUint8* aPtr,TBullet& aBullet)const;
    1.75 +	TUint8* ReadTabL(TUint8* aPtr,CParaFormat& aTarget)const;
    1.76 +
    1.77 +	TUint8* iBase;	// start of stored bytecode
    1.78 +	TUint8* iEnd;	// end of stored bytecode
    1.79 +
    1.80 +	__DECLARE_TEST;
    1.81 +private:
    1.82 +	void TestInvariantL() const;
    1.83 +	TBool DoInvariantCheck() const;
    1.84 +	};
    1.85 +
    1.86 +#endif