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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 "SVGImageHashMap.h"
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// DECODED IMAGE STORAGE FOR IMAGE ELEMENTS TO SHARE
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// SO IMAGES WITH THE SAME XLINK-HREF don't have to decode twice
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// SVG FONT STORAGE FOR JSR 226 ONLY
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// BECAUSE WE DONT HAVE AN ENGINE AT PARSE TIME
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// FOR SVG FONTS
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// ==========================================================================
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// Need method description
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// ==========================================================================
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CSvgImageHashMap* CSvgImageHashMap::NewL()
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{
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CSvgImageHashMap* self = new ( ELeave ) CSvgImageHashMap;
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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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CSvgImageHashMap* CSvgImageHashMap::NewLC()
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{
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CSvgImageHashMap* self = new ( ELeave ) CSvgImageHashMap;
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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 CSvgImageHashMap::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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CSvgImageHashMap::CSvgImageHashMap()
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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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CSvgImageHashMap::~CSvgImageHashMap()
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{
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iSvgImageMapItems.ResetAndDestroy();
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iSvgImageMapItems.Close();
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}
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// ==========================================================================
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// CSvgImageHashMap::AddImageL( CFbsBitmap* aImagePtr,
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// const TDesC& aImageName )
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// return ETrue if image added
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// return EFalse if image was already in map
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// ==========================================================================
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TBool CSvgImageHashMap::AddImageL( CFbsBitmap* aImagePtr,
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const TDesC& aImageName )
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{
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CSvgImageMapItem* lImageMapItem = GetImageMapItem( aImageName );
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if (lImageMapItem)
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{
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//already a reference to this image in the image map
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lImageMapItem->IncrementReferenceCount();
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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 image in the image map...add it
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CSvgImageMapItem* lNewSvgImageMapItem = CSvgImageMapItem::NewL( );
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lNewSvgImageMapItem->SetImagePtr( aImagePtr );
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lNewSvgImageMapItem->CopyImageNameL( aImageName );
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lNewSvgImageMapItem->IncrementReferenceCount();
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iSvgImageMapItems.Append(lNewSvgImageMapItem);
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return ETrue;
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}
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}
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// --------------------------------------------------------------------------
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// TBool CSvgImageHashMap::HasImageName( const TDesC& aImageName
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// ---------------------------------------------------------------------------
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TBool CSvgImageHashMap::HasImageName( const TDesC& aImageName )
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{
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TBool lHaveImage = EFalse;
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TInt svgImageMapItemsCnt = iSvgImageMapItems.Count();
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for (TInt i=0; i < svgImageMapItemsCnt; i++)
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{
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if ( aImageName == ((CSvgImageMapItem*)iSvgImageMapItems[i])->GetImageName() )
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{
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lHaveImage = ETrue;
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}
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}
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return lHaveImage;
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}
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// --------------------------------------------------------------------------
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// CSvgImageMapItem* CSvgImageHashMap::GetImageMapItem( const TDesC& aImageName
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// ---------------------------------------------------------------------------
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CSvgImageMapItem* CSvgImageHashMap::GetImageMapItem( const TDesC& aImageName )
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{
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TInt svgImageMapItemsCnt = iSvgImageMapItems.Count();
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for ( TInt i = 0; i < svgImageMapItemsCnt; i++ )
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{
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CSvgImageMapItem* lImageMap = (CSvgImageMapItem*)iSvgImageMapItems[i];
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TInt result = aImageName.Compare( lImageMap->GetImageName() );
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if ( result == 0 )
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{
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return lImageMap;
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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::RemoveReferenceFromImageL( const TDesC& aImageName )
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// returns True if there aren't any left
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// returns False if there are references to that image left
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// ---------------------------------------------------------------------------
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TBool CSvgImageHashMap::RemoveReferenceFromImageL( const TDesC& aImageName )
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{
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CSvgImageMapItem* lImageMapItem = GetImageMapItem( aImageName );
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if (lImageMapItem != NULL)
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{
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//we have this lImageMapElement
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TInt aReferenceCount = lImageMapItem->DecrementReferenceCount();
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if (aReferenceCount <= 0)
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{
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//no more references to this image remove it from the map
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iSvgImageMapItems.Remove(iSvgImageMapItems.Find(lImageMapItem));
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delete lImageMapItem;
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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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// CFbsBitmap* CSvgDocumentImpl::GetImagePtr( const TDesC& aImageName )
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// ---------------------------------------------------------------------------
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CFbsBitmap* CSvgImageHashMap::GetImagePtr( const TDesC& aImageName )
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{
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CSvgImageMapItem* lImageMapItem = GetImageMapItem( aImageName );
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if (lImageMapItem)
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{
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return (lImageMapItem->GetImagePtr());
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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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CSvgImageMapItem* CSvgImageMapItem::NewL()
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{
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CSvgImageMapItem* self = new ( ELeave ) CSvgImageMapItem;
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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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CSvgImageMapItem* CSvgImageMapItem::NewLC()
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{
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CSvgImageMapItem* self = new ( ELeave ) CSvgImageMapItem;
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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 CSvgImageMapItem::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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CSvgImageMapItem::CSvgImageMapItem(): iImageDecodingStatus(EFalse)
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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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CSvgImageMapItem::~CSvgImageMapItem()
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{
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if (iImageName->Length())
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{
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//delete the xlink-href (base64 image data
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delete iImageName;
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iImageName = NULL;
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}
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/*if (iImagePtr)
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{
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//delete the bitmap
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delete iImagePtr;
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}*/
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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CFbsBitmap* CSvgImageMapItem::GetImagePtr()
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{
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return iImagePtr;
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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const TDesC& CSvgImageMapItem::GetImageName()
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{
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return ( const TDesC & ) *iImageName;
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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void CSvgImageMapItem::SetImagePtr( CFbsBitmap* aImagePtr )
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{
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iImagePtr = aImagePtr;
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}
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// ---------------------------------------------------------------------------
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//
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// ---------------------------------------------------------------------------
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void CSvgImageMapItem::CopyImageNameL( const TDesC& aImageName )
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{
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iImageName = aImageName.AllocL();
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}
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//----------------------------------------------------------------------
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//
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//-----------------------------------------------------------------------
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void CSvgImageMapItem::SetImageDecodingStatus( TBool aThisImageIsDecoding )
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{
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iImageDecodingStatus = aThisImageIsDecoding;
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}
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//----------------------------------------------------------------------
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//
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//----------------------------------------------------------------------
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TBool CSvgImageMapItem::GetImageDecodingStatus( )
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{
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return iImageDecodingStatus;
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}
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//-----------------------------------------------------------------------
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//
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//-----------------------------------------------------------------------
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TInt CSvgImageMapItem::IncrementReferenceCount( )
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{
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iImageReferenceCount++;
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return iImageReferenceCount;
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}
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//-----------------------------------------------------------------------
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//
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//-----------------------------------------------------------------------
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TInt CSvgImageMapItem::DecrementReferenceCount()
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{
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iImageReferenceCount--;
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return iImageReferenceCount;
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}
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