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/*
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* Copyright (c) 2003 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: SVG Implementation source file
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*
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*/
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#include "SVGFontHashMap.h"
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#include "SVGDocumentImpl.h"
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//SVG Font storage
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// ==========================================================================
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// Need method description
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// ==========================================================================
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CSvgFontHashMap* CSvgFontHashMap::NewL()
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{
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CSvgFontHashMap* self = new ( ELeave ) CSvgFontHashMap;
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CleanupStack::PushL( self );
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self->ConstructL();
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CleanupStack::Pop();
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return self;
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}
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// ==========================================================================
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// Need method description
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// ==========================================================================
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CSvgFontHashMap* CSvgFontHashMap::NewLC()
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{
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CSvgFontHashMap* self = new ( ELeave ) CSvgFontHashMap;
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CleanupStack::PushL( self );
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self->ConstructL();
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return self;
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}
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// ==========================================================================
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// Need method description
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// ==========================================================================
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void CSvgFontHashMap::ConstructL()
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{
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}
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// ==========================================================================
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// Need method description
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// ==========================================================================
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CSvgFontHashMap::CSvgFontHashMap()
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{
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}
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// ==========================================================================
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// Need method description
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// ==========================================================================
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CSvgFontHashMap::~CSvgFontHashMap()
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{
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iSvgFontMapItems.ResetAndDestroy();
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iSvgFontMapItems.Close();
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iFontDocumentPointers.ResetAndDestroy();
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iFontDocumentPointers.Close();
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}
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// ==========================================================================
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// CSvgFontHashMap::AddFontL( CSvgFontElementImpl* aFontPtr,
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// const TDesC& aFontFamilyName )
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// return ETrue if Font added
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// return EFalse if Font was already in map
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// ==========================================================================
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TBool CSvgFontHashMap::AddFontL( CSvgFontElementImpl* aFontPtr,
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const TDesC& aFontFamilyName )
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{
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CSvgFontMapItem* lFontMapItem = GetFontMapItem( aFontFamilyName );
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if (lFontMapItem)
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{
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//already a reference to this font in the font map
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AddReferenceToFontL( aFontFamilyName);
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return EFalse;
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}
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else
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{
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//didnt find that font in the font map...add it
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CSvgFontMapItem* lNewSvgFontMapItem = CSvgFontMapItem::NewL( );
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lNewSvgFontMapItem->SetFontPtr( aFontPtr );
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lNewSvgFontMapItem->CopyFontFamilyName( aFontFamilyName );
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lNewSvgFontMapItem->IncrementReferenceCount();
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iSvgFontMapItems.Append(lNewSvgFontMapItem);
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return ETrue;
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}
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}
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// --------------------------------------------------------------------------
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// void CSvgFontHashMap::AddReferenceToFontL( CFbsBitmap* aFont,
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// return ETrue if reference successfully added
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// return EFalse if already in map so just incremented reference
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// ---------------------------------------------------------------------------
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TBool CSvgFontHashMap::AddReferenceToFontL( const TDesC& aFontFamilyName )
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{
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CSvgFontMapItem* lFontMapItem = GetFontMapItem( aFontFamilyName );
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if (lFontMapItem)
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{
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//already a reference to this Font in the Font map
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lFontMapItem->IncrementReferenceCount();
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return ETrue;
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}
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else
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{
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return EFalse;
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}
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}
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// --------------------------------------------------------------------------
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// TBool CSvgFontHashMap::HasFontName( const TDesC& aFontName
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// ---------------------------------------------------------------------------
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TBool CSvgFontHashMap::HasFontFamilyName( const TDesC& aFontFamilyName )
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{
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TBool lHaveFont = EFalse;
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TInt svgFontMapItemsCnt = iSvgFontMapItems.Count();
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for (TInt i=0; i < svgFontMapItemsCnt; i++)
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{
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if ( aFontFamilyName == ((CSvgFontMapItem*)iSvgFontMapItems[i])->GetFontFamilyName() )
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{
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lHaveFont = ETrue;
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}
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}
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return lHaveFont;
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}
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// --------------------------------------------------------------------------
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// CSvgFontMapItem* CSvgFontHashMap::GetFontMapItem( const TDesC& aFontName
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// ---------------------------------------------------------------------------
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CSvgFontMapItem* CSvgFontHashMap::GetFontMapItem( const TDesC& aFontFamilyName )
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{
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TInt svgFontMapItemsCnt = iSvgFontMapItems.Count();
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for ( TInt i = 0; i < svgFontMapItemsCnt; i++ )
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{
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CSvgFontMapItem* lFontMap = (CSvgFontMapItem*)iSvgFontMapItems[i];
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TInt result = aFontFamilyName.Compare( lFontMap->GetFontFamilyName() );
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if ( result == 0 )
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{
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return lFontMap;
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}
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}
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return NULL;
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}
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// --------------------------------------------------------------------------
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// TBool CSvgDocumentImpl::RemoveReferenceFromFontL( const TDesC& aFontName )
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// returns True if there aren't any left
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// returns False if there are references to that Font left
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// ---------------------------------------------------------------------------
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TBool CSvgFontHashMap::RemoveReferenceFromFontL( const TDesC& aFontFamilyName )
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{
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CSvgFontMapItem* lFontMapItem = GetFontMapItem( aFontFamilyName );
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if (lFontMapItem != NULL)
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{
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//we have this lFontMapElement
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TInt aReferenceCount = lFontMapItem->DecrementReferenceCount();
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if (aReferenceCount <= 0)
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{
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//no more references to this Font remove it from the map
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iSvgFontMapItems.Remove(iSvgFontMapItems.Find(lFontMapItem));
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delete lFontMapItem;
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return ETrue;
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}
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}
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return EFalse;
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}
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// --------------------------------------------------------------------------
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// START OF EXTERNAL SVG FONT DOCUMENT METHODS
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// --------------------------------------------------------------------------
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// TBool CSvgFontHashMap::AddFontDocument(CSvgDocumentImpl* newFontDocument, const TDesC& aFontFamily)
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// ---------------------------------------------------------------------------
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TBool CSvgFontHashMap::AddFontDocument(CSvgDocumentImpl* aFontDocument, const TDesC& aFontFamily)
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{
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if (aFontDocument == NULL)
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{
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//no document passed in
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return EFalse;
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}
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CSvgElementImpl* myFontElement = (CSvgElementImpl*)GetFontPtr(aFontFamily);
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if (myFontElement == NULL)
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{
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//no font in of this name in map so we can't add its document handle
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return EFalse;
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}
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if ( !HasFontDocument(aFontDocument) )
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{
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//then add it to the list of font documents
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iFontDocumentPointers.Append(aFontDocument);
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//and add it to the current document's font map
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TInt errorcode = KErrNone;
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TRAP(errorcode, AddFontL((CSvgFontElementImpl*)myFontElement, aFontFamily));
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return ETrue;
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}
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return EFalse;
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}
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// --------------------------------------------------------------------------
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// void CSvgFontHashMap::DeleteFontDocument(const TDesC& aFontFamily)
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// ---------------------------------------------------------------------------
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void CSvgFontHashMap::DeleteFontDocument(const TDesC& aFontFamily)
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{
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CSvgElementImpl* myFontElement = NULL;
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TInt fontDocPointersCnt = iFontDocumentPointers.Count();
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for (TInt i=0; i < fontDocPointersCnt; i++)
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{
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CSvgDocumentImpl* myDoc = (CSvgDocumentImpl*)iFontDocumentPointers[i];
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myFontElement = (CSvgElementImpl*)GetFontPtr(aFontFamily);
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if (myFontElement != NULL)
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{
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iFontDocumentPointers.Remove(i);
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TInt error = KErrNone;
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TRAP(error,RemoveReferenceFromFontL(aFontFamily));
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if (myDoc)
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{
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delete myDoc;
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myDoc = NULL;
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}
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}
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}
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}
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// --------------------------------------------------------------------------
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// TBool CSvgFontHashMap::HasFontDocument(CSvgDocumentImpl* myDoc)
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// ---------------------------------------------------------------------------
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TBool CSvgFontHashMap::HasFontDocument(CSvgDocumentImpl* myDoc)
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{
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//check to see if we have this document pointer already
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TBool hasFontPointer = EFalse;
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TInt fontDocPointersCnt = iFontDocumentPointers.Count();
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for (TInt i=0; i < fontDocPointersCnt; i++)
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{
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if ((CSvgDocumentImpl*)iFontDocumentPointers[i] == myDoc)
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{
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hasFontPointer = ETrue;
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}
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}
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return hasFontPointer;
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}
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// --------------------------------------------------------------------------
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//END OF EXTERNAL SVG FONT DOCUMENT
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// --------------------------------------------------------------------------
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// --------------------------------------------------------------------------
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// void CSvgFontHashMap::PrintFontHashMap( )
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// ---------------------------------------------------------------------------
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void CSvgFontHashMap::PrintFontHashMap()
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{
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RDebug::Printf("----Font Hash Map----\n");
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TInt svgFontMapItemsCnt = iSvgFontMapItems.Count();
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for (TInt i=0; i< svgFontMapItemsCnt; i++)
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{
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CSvgFontMapItem* lFontMapItem = iSvgFontMapItems[i];
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if(lFontMapItem)
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{
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lFontMapItem->Print();
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}
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}
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}
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// --------------------------------------------------------------------------
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// CFbsBitmap* CSvgDocumentImpl::GetFontPtr( const TDesC& aFontName )
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// ---------------------------------------------------------------------------
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CSvgFontElementImpl* CSvgFontHashMap::GetFontPtr( const TDesC& aFontFamilyName )
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{
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CSvgFontMapItem* lFontMapItem = GetFontMapItem( aFontFamilyName );
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if (lFontMapItem)
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{
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return (lFontMapItem->GetFontPtr());
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}
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return NULL;
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}
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// ==========================================================================
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// Need method description
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// ==========================================================================
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CSvgFontMapItem* CSvgFontMapItem::NewL()
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{
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CSvgFontMapItem* self = new ( ELeave ) CSvgFontMapItem;
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CleanupStack::PushL( self );
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self->ConstructL();
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CleanupStack::Pop();
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return self;
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}
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// ==========================================================================
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// Need method description
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// ==========================================================================
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CSvgFontMapItem* CSvgFontMapItem::NewLC()
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{
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CSvgFontMapItem* self = new ( ELeave ) CSvgFontMapItem;
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CleanupStack::PushL( self );
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self->ConstructL();
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return self;
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}
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// ==========================================================================
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// Need method description
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// ==========================================================================
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void CSvgFontMapItem::ConstructL()
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{
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}
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// ==========================================================================
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// Need method description
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// ==========================================================================
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CSvgFontMapItem::CSvgFontMapItem()
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{
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}
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// ==========================================================================
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// Need method description
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// ==========================================================================
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CSvgFontMapItem::~CSvgFontMapItem()
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{
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if (iFontFamilyName)
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{
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delete iFontFamilyName;
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iFontFamilyName = NULL;
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}
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/*if (iFontPtr)
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{
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delete iFontPtr;
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}
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if (iFontDocumentPtr)
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{
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delete iFontDocumentPtr;
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}*/
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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CSvgFontElementImpl* CSvgFontMapItem::GetFontPtr()
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{
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return iFontPtr;
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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const TDesC& CSvgFontMapItem::GetFontFamilyName()
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{
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return ( const TDesC & ) *iFontFamilyName;
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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void CSvgFontMapItem::SetFontPtr( CSvgFontElementImpl* aFontPtr )
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{
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iFontPtr = aFontPtr;
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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void CSvgFontMapItem::CopyFontFamilyName( const TDesC& aFontFamilyName )
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{
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if (iFontFamilyName)
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{
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delete iFontFamilyName;
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iFontFamilyName = NULL;
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}
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iFontFamilyName = aFontFamilyName.Alloc();
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}
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//-----------------------------------------------------------------------
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//
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//-----------------------------------------------------------------------
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TInt CSvgFontMapItem::IncrementReferenceCount( )
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{
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iFontReferenceCount++;
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return iFontReferenceCount;
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}
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//-----------------------------------------------------------------------
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//
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//-----------------------------------------------------------------------
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TInt CSvgFontMapItem::DecrementReferenceCount()
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{
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iFontReferenceCount--;
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return iFontReferenceCount;
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}
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//-----------------------------------------------------------------------
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//
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//-----------------------------------------------------------------------
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void CSvgFontMapItem::Print()
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{
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RDebug::RawPrint(iFontFamilyName->Des());
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RDebug::Printf("ref_count = %d fontptr = %d fontdocptr = %d \n", iFontReferenceCount, iFontPtr, iFontDocumentPtr);
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}
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