textrendering/texthandling/stext/TXTFMLYR.CPP
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 17:01:26 +0300
branchRCL_3
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/*
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* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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#include <e32std.h>
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#include <e32base.h>
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#include "TXTFRMAT.H"
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#include "TXTFMLYR.H"
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#include <txtfmstm.h>
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#include "TXTSTD.H"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "TXTFMLYRTraces.h"
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#endif
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0
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#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS
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#include "TXTFMLYR_INTERNAL.H"
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#endif
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CFormatLayer::CFormatLayer()
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	{
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	}
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CFormatLayer::~CFormatLayer()
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	{
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	iStore.Reset();
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	}
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DLLEXPORT_C void CFormatLayer::__DbgTestInvariant() const
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	{
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	}
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EXPORT_C void CFormatLayer::SetBase(const CFormatLayer* aBaseFormatLayer)
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/** Sets the format layer which this layer's based-on link points to.
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@param aBaseFormatLayer The format layer which this layer's based-on link 
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points to. Specify NULL if this is the final layer in the chain (the layer 
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on which all other layers are based). */
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	{
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	iBasedOn = aBaseFormatLayer;
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	}
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EXPORT_C const CFormatLayer* CFormatLayer::SenseBase() const
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/** Gets the format layer which this layer's based-on link points to. If NULL, 
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this layer is the final layer in the chain.
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@return The format layer on which this layer is based. */
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	{
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	return iBasedOn;
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	}
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EXPORT_C TInt CFormatLayer::ChainCount() const
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/** Gets the number of format layers in the chain, inclusive of itself. Assumes 
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that the format layer chain has been correctly set up to terminate with a 
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NULL based-on link.
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@return The number of format layers in the chain, counting from the current 
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layer. */
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	{
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	TInt chainCount=1;
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	const CFormatLayer* next=iBasedOn;
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	while (next)
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		{
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		++chainCount;
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		next=next->iBasedOn;
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		}
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	return chainCount;
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	}
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const TUint8* CFormatLayer::Ptr(TInt& aSize)const
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/** Return a pointer to the stored bytecode.*/	
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    {
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	return iStore.Ptr(aSize);
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	}
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EXPORT_C void CFormatLayer::Reset()
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/** Deletes the contents of the format layer. The based-on link is not affected. */
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	{
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	iStore.Reset();
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	}
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EXPORT_C void CFormatLayer::InternalizeChainL(RReadStream& aStream,const CFormatLayer* aBase)
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/** Restores a chain of format layers from a read stream. The layer at the end 
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of the chain (the one furthest from this layer) is set to be based on the 
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specified layer aBase, which may be NULL. This layer is set to be at the head 
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of the restored chain (i.e. no other layers are based on it).
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@param aStream Stream from which the format layer chain should be internalised. 
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   118
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@param aBase The format layer at the end of the chain (furthest from this layer). 
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May be NULL. */
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	{
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	TInt chainLength=aStream.ReadInt8L();
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	if (chainLength<1)
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		User::Leave(KErrCorrupt);  // Must restore at least one layer (this), else corrupt stream.
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	TInt descendentCount=chainLength-1;
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	for (TInt loop=0;loop<descendentCount;loop++)
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		{// Restore each descendent of [this] layer.
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		CFormatLayer* layer=RestoreNewL(aStream);
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		layer->SetBase(aBase);
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		CleanupStack::PushL(layer);
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		aBase=layer;
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		}
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	aStream>> *this;
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	SetBase(aBase);
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	CleanupStack::Pop(descendentCount);
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	}
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   137
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   138
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   139
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   140
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EXPORT_C void CFormatLayer::ExternalizeChainL(RWriteStream& aStream,TInt aExcludeCount)const
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/** Stores a chain of format layers. By default an entire chain is stored unless 
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an exclude count is provided. In this case, the length of the chain stored 
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is the ChainCount() minus the exclude count. The excluded layers are the ones 
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starting with the layer with the NULL based-on link.
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   146
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Note
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The exclude count must be zero or greater but must be less than the total 
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number of layers in the chain, otherwise a panic occurs.
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@param aStream Stream to which the format layer chain should be externalised. 
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@param aExcludeCount The number of layers to be excluded. By default, zero. */
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	{
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// ASSERT: aExcludeCount is positive.
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	if (aExcludeCount<0)
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	    {
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	    OstTrace0( TRACE_FATAL, CFORMATLAYER_EXTERNALIZECHAINL, "ECannotStoreFormatLayerChain" );
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	    }
0
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	__ASSERT_ALWAYS(aExcludeCount>=0,Panic(ECannotStoreFormatLayerChain));
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// ASSERT: The number of layers to be excluded is less than the total no. of layers.
54
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	if (aExcludeCount>=ChainCount())
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	    {
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	    OstTrace0( TRACE_FATAL, DUP1_CFORMATLAYER_EXTERNALIZECHAINL, "ECannotStoreFormatLayerChain" );
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	    }
0
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	__ASSERT_ALWAYS(aExcludeCount<ChainCount(),Panic(ECannotStoreFormatLayerChain));
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	TInt aCount=ChainCount()-aExcludeCount;
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	aStream.WriteInt8L(aCount);  // Store the chain length.
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	ExternalizeLayersRecurseL(aStream,--aCount);
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	}	
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   171
	
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   172
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void CFormatLayer::ExternalizeLayersRecurseL(RWriteStream& aStream,TInt aDescendantCount)const
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/** Stores a format layer chain with *aLength* number of layers in a stack-like 
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fashion. This necessitates navigating to the end of the chain and storing the 
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layers as we unwind back to the top of the chain.*/
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//
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	{
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	if (aDescendantCount)
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		{
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// ASSERT: The format layer chain is consistent.
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		if (iBasedOn==NULL)
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		    {
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		    OstTrace0( TRACE_DUMP, CFORMATLAYER_EXTERNALIZELAYERSRECURSEL, "ECorruptFormatLayerChain" );
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		    }
0
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		__ASSERT_ALWAYS(iBasedOn!=NULL,Panic(ECorruptFormatLayerChain));
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		iBasedOn->ExternalizeLayersRecurseL(aStream,--aDescendantCount);
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		}
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	aStream<< *this;
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	}
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   191
	
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/** Implementations of this function compare another format layer with the
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current object. For the two layers to be equal, they must have the same 
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contents and (if the second parameter is ETrue),their based-on links must 
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point to the same format layer.
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   196
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@param aLayer The layer to compare to this format layer.
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@param aCheckBasedOnLink If ETrue, both layers' based-on links must point to 
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the same format layer. If EFalse, the based-on links are not used in the 
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comparison. By default, ETrue.
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@return  ETrue if the two layers are identical, otherwise EFalse. */
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TBool CFormatLayer::IsIdentical(const TUint8* aPtr,TInt aSize) const
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	{
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	TInt size=0;
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	const TUint8* ptr=iStore.Ptr(size);
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	if ((ptr==NULL && aPtr!=NULL) || (ptr!=NULL && aPtr==NULL))
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		return EFalse;
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	if (ptr==NULL && aPtr==NULL)
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		return ETrue;
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	return (!(TBool)(Mem::Compare(ptr,size,aPtr,aSize)));
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	}
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/** Tests whether any formatting is stored in the format layer.
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@return ETrue if no formatting is stored in the format layer, otherwise returns 
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EFalse. */
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EXPORT_C TBool CFormatLayer::IsEmpty() const
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	{
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	TInt size=0;
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	return iStore.Ptr(size)==NULL;
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	}
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/** Swaps the contents of this with aLayer.
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@param aLayer The layer to swap contents with.
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@internalComponent */
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void CFormatLayer::Swap(CFormatLayer& aLayer)
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	{
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	iStore.Swap(aLayer.iStore);
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	const CFormatLayer* t = iBasedOn;
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	iBasedOn = aLayer.iBasedOn;
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	aLayer.iBasedOn = t;
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	}
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/** Allocates and constructs an empty CParaFormatLayer. Its based-on link is 
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NULL.
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Note: Use SetL() to set format attributes in the layer. Use SetBase(), defined 
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in the base class CFormatLayer, to set the layer's based on link.
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@return Pointer to the new paragraph format layer. */
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EXPORT_C CParaFormatLayer* CParaFormatLayer::NewL()
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	{
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	return new(ELeave) CParaFormatLayer;
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	}
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EXPORT_C CParaFormatLayer* CParaFormatLayer::NewL(RReadStream& aStream)
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/** Allocates and constructs a CParaFormatLayer, restoring its format attributes 
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from a stream. The layer's based-on link is set to NULL.
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@param aStream Stream from which the layer is restored. 
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@return Pointer to the new paragraph format layer. */
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	{
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	CParaFormatLayer* self=NewL();
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	CleanupStack::PushL(self);
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	self->InternalizeL(aStream);
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	CleanupStack::Pop();
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	return self;
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	}
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EXPORT_C CParaFormatLayer* CParaFormatLayer::NewL(const CParaFormat* aFormat,const TParaFormatMask& aMask)
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/** Allocates and constructs a CParaFormatLayer. The attributes which are set 
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in the mask are initialised to the values specified in the format container 
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aParaFormat. The attributes which are not set in the mask are initialised to 
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the default values for class CParaFormat. The new layer's based-on link is set 
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to NULL.
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@param aParaFormat Contains the attribute values to assign to the format layer. 
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@param aMask Mask specifying which attributes should be initialized from 
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aParaFormat. 
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@return Pointer to ParaFormatLayer the new paragraph format layer. */
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	{
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	CParaFormatLayer* self=NewL();
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	CleanupStack::PushL(self);
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	self->SetL(aFormat,aMask);
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	CleanupStack::Pop();
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	return self;
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	}
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CParaFormatLayer* CParaFormatLayer::NewL(const CParaFormatLayer* aLayer)
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/** Copying construction
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 does not copy the based on link*/
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	{
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	CParaFormatLayer* self=NewL();  // based-on is NULL
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	CleanupStack::PushL(self);
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	aLayer->CloneLayerL(self);
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	CleanupStack::Pop();			// self
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	return self;
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	}
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CParaFormatLayer* CParaFormatLayer::NewCopyBaseL(const CParaFormatLayer* aLayer)
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/** Copying construction
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 copies based-on link*/
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	{
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	CParaFormatLayer* self=NewL(aLayer);  // based-on is NULL
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	self->iBasedOn=aLayer->iBasedOn;
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	return self;
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	}
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CParaFormatLayer::CParaFormatLayer()
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/** Constructor.*/
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// No ConstructL method since allocation is postponed until first Set.
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//
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	{
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	}
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EXPORT_C void CParaFormatLayer::ExternalizeL(RWriteStream& aStream)const
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/** Externalises the paragraph format layer but not its based-on link to a 
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write stream. The presence of this function means that the standard templated 
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operator<<() (defined in s32strm.h) is available to externalise objects of 
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this class.
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@param aStream Stream to which the format layer should be externalised. */
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	{aStream<< iStore;}
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EXPORT_C void CParaFormatLayer::InternalizeL(RReadStream& aStream,const CFormatLayer* aBase)
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/** Internalises the paragraph format layer but not its based-on link from a 
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read stream. The presence of this function means that the standard templated 
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operator>>() (defined in s32strm.h) is available to internalise objects of 
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this class. The internalised layer is set to be based on the layer specified.
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@param aStream Stream from which the format layer should be internalised. 
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@param aBase The based-on link to assign to the layer. By default NULL. */
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	{
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	aStream>> iStore;
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	SetBase(aBase);
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	}
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EXPORT_C void CParaFormatLayer::SetL(const CParaFormat* aDesiredEffectiveFormat,const TParaFormatMask& aMask)
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/** Sets the layer's format attributes. The attributes which are set in the 
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mask are set in the layer to the values specified in the format container 
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aDesiredEffectiveFormat. The attributes which are not set in the mask are not 
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changed.
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Note: Any tab stops in aDesiredEffectiveFormat are merged with the tab stops in 
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the current layer.
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@param aDesiredEffectiveFormat Contains the attribute values to assign to 
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   341
the format layer. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
@param aMask Mask specifying which attributes should be set from 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
aDesiredEffectiveFormat. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
	if ( !aDesiredEffectiveFormat )
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
		{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
		return;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
		}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
	
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
	const CParaFormat& desiredFormat = *aDesiredEffectiveFormat;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
	CParaFormat currentEffectiveFormat;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
	ResetOnCleanupL( &currentEffectiveFormat);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
	if (iBasedOn)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
		((CParaFormatLayer*)iBasedOn)->SenseEffectiveL(&currentEffectiveFormat);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
	iStore.SetParaFormatL(desiredFormat,aMask,currentEffectiveFormat);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
	CleanupStack::Pop();
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
EXPORT_C void CParaFormatLayer::SenseEffectiveL(CParaFormat* aParaFormat,CParaFormat::TParaFormatGetMode aMode)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
/** Senses the layer's effective format, searching all based-on links. The 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
resulting aParaFormat is fully populated, except that if aMode is 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
EFixedAttributes, then only the fixed attributes (not tabs, paragraph borders 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
or bullets) are written to it.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
Notes:
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
The function also "tidies up" the layer's effective paragraph formatting, 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
so that any zero height bullets, paragraph borders with a NULL line style 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
or NULL tab stops are removed. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
The function can only leave if aMode has a value of EAllAttributes.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
@param aParaFormat On return, contains the layer's effective formatting. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
Depending on the value of aMode, tabs, borders and bullets may be excluded. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
Must not be NULL or a panic occurs. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
@param aMode Controls which attributes are written to aParaFormat. If 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
EAllAttributes, all attributes are written; if EFixedAttributes, tabs, 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
bullets and borders are not written. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
	{
54
748ec5531811 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   380
	if (aParaFormat==NULL)
748ec5531811 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   381
	    {
748ec5531811 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   382
	    OstTrace0( TRACE_FATAL, CPARAFORMATLAYER_SENSEEFFECTIVEL, "ENullFormatPointer" );
748ec5531811 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   383
	    }
0
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
	__ASSERT_ALWAYS(aParaFormat!=NULL,Panic(ENullFormatPointer));
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
	aParaFormat->Reset();
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
	TParaFormatMask mask;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
	FillParaFormatL(aParaFormat,mask,aMode);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
	CleanupEffectiveFormat(aParaFormat,mask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
EXPORT_C void CParaFormatLayer::SenseL(CParaFormat* aParaFormat,TParaFormatMask& aMask,CParaFormat::TParaFormatGetMode aMode)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
/** Senses the formatting which has been applied to the current layer only. No 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
based-on links are searched. This function does not get the effective formatting, 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
but the resulting aParaFormat is useable even if not all attributes are flagged 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
for sensing in aMask because any attribute values not sensed from the current 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
layer, are set to default values.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
The function can only leave if aMode has a value of EAllAttributes.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
@param aParaFormat On return, contains the formatting which has been applied 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
to the current layer only. Any attributes not explicitly set in the current 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
layer are initialised to the default values for a CParaFormat. Attributes 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
specified in aMask are not sensed from this layer. The values for these 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
attributes are also initialised to the default settings. Must not be NULL or 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
a panic occurs. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
@param aMask A bitmask. Any attributes which are set in the mask as passed 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
into the function are not sensed from the current layer. On return, indicates 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
the attributes which were sensed from this layer. So, normally, when passed 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
to the function, all attributes in the mask should be unset. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
@param aMode Controls which attributes are written to aParaFormat. If 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
EAllAttributes, all attributes are written; if EFixedAttributes, tabs, bullets 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
and borders are not written. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
	{
54
748ec5531811 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   414
	if (aParaFormat==NULL)
748ec5531811 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   415
	    {
748ec5531811 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   416
	    OstTrace0( TRACE_FATAL, CPARAFORMATLAYER_SENSEL, "ENullFormatPointer" );
748ec5531811 Revision: 201021
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   417
	    }
0
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
	__ASSERT_ALWAYS(aParaFormat!=NULL,Panic(ENullFormatPointer));
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
	iStore.SenseParaFormatL(*aParaFormat,aMask,aMode);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
void CFormatLayer::CloneLayerL(CFormatLayer* aClone)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
	aClone->iStore.CopyL(iStore);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
EXPORT_C CFormatLayer* CParaFormatLayer::DoCloneL()const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
//
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
//
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
	return NewL(this);  // use copy construction
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
EXPORT_C TBool CParaFormatLayer::IsIdenticalL(const CParaFormat* aParaFormat,const TParaFormatMask& aMask)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
/** Compares a format attribute container with the current layer. For the two 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
objects to be identical, the current layer must contain only the attributes 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
specified in the argument aMask, and these attributes must have the same values 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
as those in aParaFormat. None of the current layer's based-on links are searched.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
@param aParaFormat Contains the attribute values used in the comparison. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
@param aMask A bitmask specifying which attributes are relevant to the function. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
@return ETrue if the formatting of the current layer exactly matches that 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
contained in aParaFormat. Otherwise EFalse. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
	CParaFormat* thisParaFormat=CParaFormat::NewLC();
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
	TParaFormatMask thisParaFormatMask;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
	SenseL(thisParaFormat,thisParaFormatMask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
	TBool result=EFalse;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
	if (thisParaFormatMask!=aMask)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
		result=EFalse;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
	else if (thisParaFormat->IsEqual(*aParaFormat,aMask))
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
		result=ETrue;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
	CleanupStack::PopAndDestroy();
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
	return result;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
EXPORT_C TBool CParaFormatLayer::IsIdentical(CFormatLayer* aLayer,TBool aCheckBasedOnLink)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
/** Compares another paragraph format layer with the current layer. For the two 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
layers to be equal, they must have the same contents and (if the second 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
parameter is ETrue), their based-on links must point to the same format layer.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
@param aLayer The paragraph format layer to compare to this format layer. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
@param aCheckBasedOnLink If ETrue, both layers' based-on links must point to 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
the same format layer. If EFalse, the based-on links are not used in the 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
comparison. By default, ETrue. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
@return ETrue if the two layers are identical, otherwise EFalse. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
	if (aCheckBasedOnLink)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
		{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
		if (iBasedOn!=aLayer->SenseBase())
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
			return EFalse;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
		}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
	TInt size;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
	const TUint8* ptr=((CParaFormatLayer*)aLayer)->Ptr(size);		// some design went wrong here!
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
	return CFormatLayer::IsIdentical(ptr,size);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
EXPORT_C const TUint8* CParaFormatLayer::Ptr(TInt& aSize)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
/** Gets a pointer to the start of the buffer containing the layer's format 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
attribute values.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
@param aSize On return, set to the size of the buffer. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
@return Pointer to the buffer which contains the layer's format attribute 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
values. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
	{return CFormatLayer::Ptr(aSize);}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
EXPORT_C TUid CParaFormatLayer::Type()const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
/** Returns the paragraph format layer UID. This can be used to distinguish 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
between an ordinary paragraph format layer and paragraph styles, which have a 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
different UID.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
@return The UID of a paragraph format layer (KNormalParagraphStyleUid). */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
	{return KNormalParagraphStyleUid;}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
CFormatLayer* CParaFormatLayer::RestoreNewL(RReadStream& aStream)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
/** Return a new CParaFormatLayer, having restored it from aStream.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
 Overrides the base class method, to provide a new format layer of the correct 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
 type.*/
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
	{return NewL(aStream);}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
void CParaFormatLayer::FillParaFormatL(CParaFormat* aParaFormat,TParaFormatMask& aMask,CParaFormat::TParaFormatGetMode aMode)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
/** Fills aParaFormat by dumping the current format layer into it.  
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
Next traverse the 'basedOn' link if it is not NULL, and repeat.*/
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
	if ( !aParaFormat )
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
		{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
		return;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
		}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
	
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
	CParaFormat& senseFormat = *aParaFormat;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
	iStore.SenseParaFormatL(senseFormat,aMask,aMode);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
	if (iBasedOn)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
		((CParaFormatLayer*)iBasedOn)->FillParaFormatL(aParaFormat,aMask,aMode);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   522
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
void CParaFormatLayer::CleanupEffectiveFormat(CParaFormat* aParaFormat,TParaFormatMask aMask)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
/** Removes anti-tabs, zero height and null bullets, and paragraph borders with
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
 null linestyles, from aParaFormat.  An effective format does not support the
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
 notion of anti-tabs etc.*/
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
	if (aMask.AttribIsSet(EAttBullet))
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   529
		{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
		if (aParaFormat->iBullet->iStyle == TBullet::ENullStyle || aParaFormat->iBullet->iHeightInTwips <= 0)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
			{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   532
			delete aParaFormat->iBullet;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   533
			aParaFormat->iBullet = NULL;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
			}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
		}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   537
	if (aMask.AttribIsSet(EAttTopBorder) ||
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
		aMask.AttribIsSet(EAttBottomBorder) ||
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   539
		aMask.AttribIsSet(EAttLeftBorder) ||
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   540
		aMask.AttribIsSet(EAttRightBorder))
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   541
		CleanupBorders(aParaFormat);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   542
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   543
	if (aMask.AttribIsSet(EAttTabStop))
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   544
		{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   545
		int index = 0;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   546
		while (index < aParaFormat->TabCount())
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   547
			{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   548
			TTabStop tab = aParaFormat->TabStop(index);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   549
			if (tab.iType == TTabStop::ENullTab)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   550
				aParaFormat->RemoveTab(tab.iTwipsPosition);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   551
			else
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   552
				index++;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   553
			}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   554
		}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   555
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   556
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   557
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   558
void CParaFormatLayer::CleanupBorders(CParaFormat* aParaFormat)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   559
/** Destroys the paragraph border if it is of NULL linestyle,
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   560
 and nulls the pointer to it (aBorder).*/
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   561
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   562
	if (aParaFormat->ParaBorder(CParaFormat::EParaBorderTop).iLineStyle==TParaBorder::ENullLineStyle &&
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   563
		aParaFormat->ParaBorder(CParaFormat::EParaBorderBottom).iLineStyle==TParaBorder::ENullLineStyle &&
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   564
		aParaFormat->ParaBorder(CParaFormat::EParaBorderLeft).iLineStyle==TParaBorder::ENullLineStyle &&
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   565
		aParaFormat->ParaBorder(CParaFormat::EParaBorderRight).iLineStyle==TParaBorder::ENullLineStyle)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   566
		{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   567
		aParaFormat->RemoveAllBorders();
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   568
		}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   569
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   570
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   571
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   572
EXPORT_C CCharFormatLayer* CCharFormatLayer::NewL()
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   573
/** Allocates and constructs an empty CCharFormatLayer. Its based-on link is 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   574
NULL.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   575
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   576
Note: Use SetL() to set format attributes in the layer. Use SetBase(), defined 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   577
in the base class CFormatLayer, to set the layers based on link.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   578
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   579
@return Pointer to the new character format layer. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   580
	{return new(ELeave)CCharFormatLayer;}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   581
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   582
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   583
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   584
EXPORT_C CCharFormatLayer* CCharFormatLayer::NewL(RReadStream& aStream)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   585
/** Allocates and constructs a CCharFormatLayer, restoring its format attributes 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   586
from a stream. The layer's based-on link is set to NULL.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   587
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   588
@param aStream Stream from which the layer is restored. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   589
@return Pointer to the new character format layer. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   590
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   591
	CCharFormatLayer* self=NewL();
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   592
	CleanupStack::PushL(self);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   593
	self->InternalizeL(aStream);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   594
	CleanupStack::Pop();
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   595
	return self;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   596
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   597
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   598
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   599
EXPORT_C CCharFormatLayer* CCharFormatLayer::NewL(const TCharFormat& aFormat,const TCharFormatMask& aMask)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   600
/** Returns a handle to a new charFormatLayer, after constructing
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   601
 it and setting it with the specified format and format mask.*/
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   602
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   603
	CCharFormatLayer* self=NewL();
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   604
	CleanupStack::PushL(self);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   605
	self->SetL(aFormat,aMask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   606
	CleanupStack::Pop();
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   607
	return self;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   608
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   609
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   610
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   611
CCharFormatLayer* CCharFormatLayer::NewL(const TCharFormatX& aFormat,const TCharFormatXMask& aMask)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   612
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   613
	CCharFormatLayer* self = NewL();
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   614
	CleanupStack::PushL(self);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   615
	self->SetL(aFormat,aMask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   616
	CleanupStack::Pop();
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   617
	return self;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   618
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   619
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   620
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   621
CCharFormatLayer* CCharFormatLayer::NewL(const CCharFormatLayer* aLayer)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   622
/** Copying construction
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   623
 does not copy based-on link.*/
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   624
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   625
	CCharFormatLayer* self=NewL();  // based-on is NULL
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   626
	CleanupStack::PushL(self);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   627
	aLayer->CloneLayerL(self);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   628
	CleanupStack::Pop();			// self
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   629
	return self;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   630
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   631
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   632
CCharFormatLayer* CCharFormatLayer::NewCopyBaseL(const CCharFormatLayer* aLayer)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   633
/** Copying construction
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   634
 copies based-on link*/
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   635
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   636
	CCharFormatLayer* self=NewL(aLayer);  // based-on is NULL
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   637
	self->iBasedOn=aLayer->iBasedOn;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   638
	return self;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   639
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   640
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   641
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   642
CCharFormatLayer::CCharFormatLayer()
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   643
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   644
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   645
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   646
EXPORT_C void CCharFormatLayer::ExternalizeL(RWriteStream& aStream)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   647
/** Externalises the character format layer but not its based-on link to a 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   648
write stream. The presence of this function means that the standard templated 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   649
operator<<() (defined in s32strm.h) is available to externalise objects of 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   650
this class.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   651
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   652
@param aStream Stream to which the format layer should be externalised. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   653
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   654
	aStream << iStore;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   655
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   656
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   657
EXPORT_C void CCharFormatLayer::InternalizeL(RReadStream& aStream,const CFormatLayer* aBase)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   658
/** Internalises the character format layer but not its based-on link from a 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   659
read stream. The presence of this function means that the standard templated 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   660
operator>>() (defined in s32strm.h) is available to internalise objects of 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   661
this class. The internalised layer is set to be based on the layer specified.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   662
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   663
@param aStream Stream from which the format layer should be internalised. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   664
@param aBase The based-on link to assign to the layer. By default NULL. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   665
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   666
	aStream >> iStore;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   667
	SetBase(aBase);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   668
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   669
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   670
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   671
EXPORT_C const TUint8* CCharFormatLayer::Ptr(TInt& aSize)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   672
/** Gets a pointer to the start of the buffer containing the layer's format 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   673
attribute values.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   674
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   675
@param aSize On return, set to the size of the buffer. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   676
@return Pointer to the buffer which contains the layer's format attribute 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   677
values. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   678
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   679
	return CFormatLayer::Ptr(aSize);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   680
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   681
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   682
EXPORT_C void CCharFormatLayer::SetL(const TCharFormat& aCharFormat,const TCharFormatMask& aMask)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   683
/** Sets the layer's format attributes. The attributes which are set in the 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   684
mask are set in the layer to the values specified in the format container 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   685
aCharFormat. The attributes which are not set in the mask are not changed.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   686
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   687
@param aCharFormat Contains the attribute values to assign to the format layer. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   688
@param aMask Mask specifying which attributes should be set from aCharFormat. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   689
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   690
	TCharFormatX format(aCharFormat);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   691
	iStore.SetCharFormatL(format,aMask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   692
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   693
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   694
void CCharFormatLayer::SetL(const TCharFormatX& aCharFormat,const TCharFormatXMask& aMask)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   695
/** Sets the layer's format attributes. The attributes which are set in the 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   696
mask are set in the layer to the values specified in the format container 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   697
aCharFormat. The attributes which are not set in the mask are not changed.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   698
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   699
@param aCharFormat Contains the attribute values to assign to the format layer. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   700
@param aMask Mask specifying which attributes should be set from aCharFormat. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   701
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   702
	iStore.SetCharFormatL(aCharFormat,aMask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   703
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   704
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   705
EXPORT_C void CCharFormatLayer::SenseEffective(TCharFormat& aCharFormat)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   706
/** Senses the layer's effective format, searching all based-on links. The 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   707
resulting aCharFormat is fully populated.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   708
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   709
@param aCharFormat On return, contains the layer's effective formatting. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   710
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   711
	TCharFormatX format;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   712
	TCharFormatXMask mask;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   713
	FillCharFormat(format,mask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   714
	aCharFormat = format.iCharFormat;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   715
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   716
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   717
void CCharFormatLayer::SenseEffective(TCharFormatX& aCharFormat) const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   718
/** Senses the layer's effective format, searching all based-on links. The 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   719
resulting aCharFormat is fully populated.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   720
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   721
@param aCharFormat On return, contains the layer's effective formatting. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   722
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   723
	TCharFormatXMask mask;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   724
	aCharFormat = TCharFormatX(); // initialise character format; FillCharFormat doesn't do this
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   725
	FillCharFormat(aCharFormat,mask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   726
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   727
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   728
EXPORT_C void CCharFormatLayer::Sense(TCharFormat& aCharFormat,TCharFormatMask& aMask)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   729
/** Senses the formatting which has been applied to the current layer only. No 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   730
based-on links are searched. This function does not get the layer's effective 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   731
formatting, but the resulting aCharFormat is fully populated, even if not 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   732
all attributes are flagged for sensing in aMask because any attribute values 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   733
not sensed from the current layer are set to default values.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   734
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   735
@param aCharFormat On return, contains the formatting which has been applied 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   736
to the current layer only. Any attributes not explicitly set in the current 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   737
layer are set to the default values for a TCharFormat. Any attributes specified 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   738
in aMask are not sensed from this layer. The values for these attributes are 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   739
also initialised to the default settings. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   740
@param aMask A bitmask. Any attributes which are set in the mask as passed 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   741
into the function are not sensed from the current layer. On return, indicates 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   742
the attributes which were sensed from this layer. So, normally, when passed 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   743
to the function, all attributes in the mask should be unset. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   744
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   745
	TCharFormatX format(aCharFormat);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   746
	TCharFormatXMask mask = aMask;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   747
	iStore.SenseCharFormat(format,mask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   748
	aCharFormat = format.iCharFormat;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   749
	mask.ClearExtendedAttribs();
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   750
	aMask = mask;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   751
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   752
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   753
void CCharFormatLayer::Sense(TCharFormatX& aCharFormat,TCharFormatXMask& aMask) const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   754
/** Senses the formatting which has been applied to the current layer only. No 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   755
based-on links are searched. This function does not get the layer's effective 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   756
formatting, but the resulting aCharFormat is fully populated, even if not 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   757
all attributes are flagged for sensing in aMask because any attribute values 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   758
not sensed from the current layer are set to default values.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   759
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   760
@param aCharFormat On return, contains the formatting which has been applied 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   761
to the current layer only. Any attributes not explicitly set in the current 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   762
layer are set to the default values for a TCharFormat. Any attributes specified 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   763
in aMask are not sensed from this layer. The values for these attributes are 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   764
also initialised to the default settings. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   765
@param aMask A bitmask. Any attributes which are set in the mask as passed 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   766
into the function are not sensed from the current layer. On return, indicates 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   767
the attributes which were sensed from this layer. So, normally, when passed 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   768
to the function, all attributes in the mask should be unset. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   769
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   770
	iStore.SenseCharFormat(aCharFormat,aMask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   771
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   772
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   773
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   774
EXPORT_C CFormatLayer* CCharFormatLayer::DoCloneL()const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   775
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   776
	return NewL(this);  // use copy construction
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   777
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   778
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   779
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   780
EXPORT_C TBool CCharFormatLayer::IsIdentical(CFormatLayer* aLayer,TBool aCheckBasedOnLink)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   781
/** Compares another character format layer with the current layer. For the two 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   782
layers to be equal, they must have the same contents and (if the second 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   783
parameter is ETrue), their based-on links must point to the same format layer.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   784
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   785
@param aLayer The character format layer to compare to this format layer. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   786
@param aCheckBasedOnLink If ETrue, both layers' based-on links must point to 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   787
the same format layer. If EFalse, the based-on links are not used in the 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   788
comparison. By default, ETrue. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   789
@return ETrue if the two layers are identical, otherwise EFalse. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   790
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   791
	if (aCheckBasedOnLink)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   792
		{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   793
		if (iBasedOn!=aLayer->SenseBase())
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   794
			return EFalse;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   795
		}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   796
	TInt size;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   797
	const TUint8* ptr=((CCharFormatLayer*)aLayer)->Ptr(size);		// some naff design at work here!
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   798
	return CFormatLayer::IsIdentical(ptr,size);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   799
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   800
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   801
EXPORT_C TBool CCharFormatLayer::IsIdentical(const TCharFormat& aCharFormat,const TCharFormatMask& aMask)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   802
/** Compares a format attribute container with the current layer. For the two 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   803
objects to be identical, the current layer must contain only the attributes 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   804
specified in the argument aMask, and these attributes must have the same 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   805
values as those in aCharFormat. None of the current layer's based-on links are 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   806
searched.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   807
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   808
@param aCharFormat Contains the attribute values used in the comparison. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   809
@param aMask A bitmask specifying which attributes are relevant to the function. 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   810
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   811
@return ETrue if the formatting of the current layer exactly matches that 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   812
contained in aCharFormat, otherwise EFalse. */
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   813
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   814
	TCharFormat thisCharFormat;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   815
	TCharFormatMask thisCharFormatMask;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   816
	Sense(thisCharFormat,thisCharFormatMask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   817
	if (thisCharFormatMask!=aMask)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   818
		return EFalse;
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   819
	return thisCharFormat.IsEqual(aCharFormat,aMask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   820
	}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   821
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   822
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   823
CFormatLayer* CCharFormatLayer::RestoreNewL(RReadStream& aStream)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   824
/** Return a new CCharFormatLayer, having restored it from aStream.
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   825
Overrides the base class method, to provide a new format layer of 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   826
the correct type.*/
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   827
	{return CCharFormatLayer::NewL(aStream);}
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   828
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   829
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   830
void CCharFormatLayer::FillCharFormat(TCharFormatX& aCharFormat,TCharFormatXMask& aMask)const
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   831
/** Fills aCharFormat by dumping the current format layer into it, then follows 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   832
each 'BasedOn' link in turn if it is not null.  It is assumed that all based on 
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   833
links eventually terminate with nulls.*/
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   834
	{
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   835
	iStore.SenseCharFormat(aCharFormat,aMask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   836
	if (iBasedOn)
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   837
		((CCharFormatLayer*)iBasedOn)->FillCharFormat(aCharFormat,aMask);
1fb32624e06b Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   838
	}