uigraphics/AknIcon/src/AknNvgFormatHandler.cpp
author Dario Sestito <darios@symbian.org>
Fri, 19 Nov 2010 15:21:06 +0000
branchRCL_3
changeset 129 67a72ace5294
parent 78 0b86c25b743a
permissions -rw-r--r--
Fix for Bug 3172 - Recorder application demands Memory card
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
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/*
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* Copyright (c) 2002 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 FILES
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#include <e32math.h>
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#include <fbs.h>
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#include <mifconvdefs.h> // For definition of EIconFormatNVG
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#include "AknNvgFormatHandler.h"
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#include "AknIconObserver.h"
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#include "AknIconSrvPanic.h"
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#include "AknIconTraces.h"
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#include <flogger.h>
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#include "AknIconManager.h"
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#include "AknIconHeader.h"
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// CONSTANTS
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::CAknNvgFormatHandler
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CAknNvgFormatHandler::CAknNvgFormatHandler():iMode(EAspectRatioPreserved),iAngle(0)
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	{
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	iData = 0x00;
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	}
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::ConstructL()
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    {
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#ifdef __AKNICON_TRACES
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    RDebug::Print( _L("AknIcon: %x Calling ConstructL - iSvgEngine: %x"), this, iSvgEngine);
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#endif            
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    }
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CAknNvgFormatHandler* CAknNvgFormatHandler::NewL()
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    {
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    CAknNvgFormatHandler* self = new( ELeave ) CAknNvgFormatHandler();
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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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// Destructor
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CAknNvgFormatHandler::~CAknNvgFormatHandler()
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    {
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	iIconData.Close();
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	delete iData;
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    delete iDummyBitmap;
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    delete iNvgEngine;
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::SetScaleMode
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::SetScaleMode( TScaleMode aMode )
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    {
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    iMode = aMode;
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::SetRotation
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::SetRotation( TInt aAngle )
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    {
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    iAngle = aAngle;
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::GetContentDimensionsL
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::GetContentDimensionsL(
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        TAknContentDimensions& aContentDimensions)
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    {
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    if ( iNvgEngine && iData)
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        {
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        TSize lSize = iNvgEngine->ContentDimensions(iData->Des().MidTPtr(KIconHeaderLength) );
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        aContentDimensions.SetDimensions( lSize );
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        }    
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::InitializeEngineL
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::InitializeEngineL()
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    {
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    if ( !iNvgEngine)
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        {
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        iNvgEngine = CNvgEngine::NewL( );
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        }
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::PrepareIconL
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::PrepareIconL( const TDesC8& aIconData, TInt& aHandle )
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    {
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    InitializeEngineL();
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    TInt handle = 1;
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    if (iData)
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        {
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        delete iData;
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        iData = NULL;
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        }
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    iData = HBufC8::NewL(aIconData.Size()+KIconHeaderLength);
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    TPtr8 lPtr(iData->Des() );
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    TUint8 header[KIconHeaderLength]=
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        {
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        0
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        };
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    lPtr.Append(header, KIconHeaderLength);
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    lPtr.Append(aIconData);
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    aHandle = handle;
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::UsePreparedIconL
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::UsePreparedIconL(TInt /*aHandle */)
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    {
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::RenderPreparedIconL
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::RenderPreparedIconL(CFbsBitmap* aBitmap,
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        CFbsBitmap* aMask, TSize Bitmapsize, TDisplayMode Bitmapdepth,
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        TDisplayMode Maskdepth, TRgb aColor, TBool aMarginFlag)
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    {
78
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    if(!iData)
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        User::Leave(KErrNotFound);
0
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    FormCommonHeader(aBitmap, EFalse, aColor, aMarginFlag);
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    aBitmap->CreateExtendedBitmap(Bitmapsize, Bitmapdepth,
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            KUidNvgProprietaryFormat, iData->Ptr(), iData->Length());
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    if (aMask)
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        {
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        FormCommonHeader(0, ETrue, 0, 0);
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        aMask->CreateExtendedBitmap(Bitmapsize, Maskdepth,
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                KUidNvgProprietaryFormat, iData->Ptr(), iData->Length());
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        }
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::UnprepareIcon
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::UnprepareIcon( TInt /*aHandle*/ )
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    {
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    delete iData;
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    iData = NULL;
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::SetAnimated
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::SetAnimated( TBool aAnimated )
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    {
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    iAnimated = aAnimated;
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::IconFormatType
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// -----------------------------------------------------------------------------
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//
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TInt CAknNvgFormatHandler::IconFormatType()
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    {
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    return EIconFormatNVG;
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    }    
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::SetObserver
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::SetObserver( MAknIconChangeObserver* aObserver )
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    {
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   221
	
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    iObserver = aObserver;
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::CheckHandleActivatedL
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::CheckHandleActivatedL( CFbsBitmap* /*aBitmap*/, CFbsBitmap * /*aMask*/ )
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    {      
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::SupportedDisplayMode
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::SupportedDisplayMode(
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    TDisplayMode& aMode, TDisplayMode aPreferredMode )
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    {
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    // Modes currently supported by SVG engine are:
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    // EGray2, EColor4K, EColor64K, EColor16M
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//    if ( aMode != EGray2 ) EASK-824CMD:VGISymbianCopyToBitmap fails for bitmaps with EGray2 display modes.Modifying to create bitmaps with supported displaymodes
0
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        {
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        aMode = aPreferredMode;
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        }
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::SetEngineScaleMode
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// -----------------------------------------------------------------------------
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//
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void CAknNvgFormatHandler::SetEngineScaleMode()
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    {
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    }
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// -----------------------------------------------------------------------------
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// CAknNvgFormatHandler::CleanupNullMaskPointer
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// -----------------------------------------------------------------------------
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//    
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//
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void CAknNvgFormatHandler::CleanupNullMaskPointer(TAny* aParam)
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    {
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    static_cast<CAknNvgFormatHandler*>( aParam )->iMask = NULL;
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    }
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void CAknNvgFormatHandler::FormCommonHeader(const CFbsBitmap *aBitmap,
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        TBool isMask, TRgb aColor, TBool aMarginFlag)
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    {
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    TPtr8 tmpBufPtr(iData->Des());
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    TAknIconHeader iconheader(tmpBufPtr);
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    if(isMask)
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             {
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             iconheader.SetIsMask(ETrue);
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             return;
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             }
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    iconheader.Initialize();
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    iconheader.SetRotation(iAngle);
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    iconheader.SetIconColor(aColor.Value());
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    iconheader.SetScaleMode(iMode);
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    if(aMarginFlag)
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    iconheader.SetMarginCorrection(ETrue);
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    iconheader.SetIsMask(EFalse);
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    iconheader.SetBitmapId(aBitmap->Handle());
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    }
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//  End of File