/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

// INCLUDE FILES

#include <e32math.h>

#include <fbs.h>

#include <mifconvdefs.h> // For definition of EIconFormatNVG

#include "AknNvgFormatHandler.h"

#include "AknIconObserver.h"

#include "AknIconSrvPanic.h"

#include "AknIconTraces.h"

#include <flogger.h>

#include "AknIconManager.h"

#include "AknIconHeader.h"

// CONSTANTS

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::CAknNvgFormatHandler

// C++ default constructor can NOT contain any code, that

// might leave.

// -----------------------------------------------------------------------------

//

CAknNvgFormatHandler::CAknNvgFormatHandler():iMode(EAspectRatioPreserved),iAngle(0)

	{

	iData = 0x00;

	}

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::ConstructL

// Symbian 2nd phase constructor can leave.

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::ConstructL()

    {

#ifdef __AKNICON_TRACES

    RDebug::Print( _L("AknIcon: %x Calling ConstructL - iSvgEngine: %x"), this, iSvgEngine);

#endif            

    }

CAknNvgFormatHandler* CAknNvgFormatHandler::NewL()

    {

    CAknNvgFormatHandler* self = new( ELeave ) CAknNvgFormatHandler();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

// Destructor

CAknNvgFormatHandler::~CAknNvgFormatHandler()

    {

	iIconData.Close();

	delete iData;

    delete iDummyBitmap;

    delete iNvgEngine;

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::SetScaleMode

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::SetScaleMode( TScaleMode aMode )

    {

    iMode = aMode;

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::SetRotation

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::SetRotation( TInt aAngle )

    {

    iAngle = aAngle;

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::GetContentDimensionsL

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::GetContentDimensionsL(

        TAknContentDimensions& aContentDimensions)

    {

    if ( iNvgEngine && iData)

        {

        TSize lSize = iNvgEngine->ContentDimensions(iData->Des().MidTPtr(KIconHeaderLength) );

        aContentDimensions.SetDimensions( lSize );

        }    

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::InitializeEngineL

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::InitializeEngineL()

    {

    if ( !iNvgEngine)

        {

        iNvgEngine = CNvgEngine::NewL( );

        }

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::PrepareIconL

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::PrepareIconL( const TDesC8& aIconData, TInt& aHandle )

    {

    InitializeEngineL();

    TInt handle = 1;

    if (iData)

        {

        delete iData;

        iData = NULL;

        }

    iData = HBufC8::NewL(aIconData.Size()+KIconHeaderLength);

    TPtr8 lPtr(iData->Des() );

    TUint8 header[KIconHeaderLength]=

        {

        0

        };

    lPtr.Append(header, KIconHeaderLength);

    lPtr.Append(aIconData);

    aHandle = handle;

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::UsePreparedIconL

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::UsePreparedIconL(TInt /*aHandle */)

    {

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::RenderPreparedIconL

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::RenderPreparedIconL(CFbsBitmap* aBitmap,

        CFbsBitmap* aMask, TSize Bitmapsize, TDisplayMode Bitmapdepth,

        TDisplayMode Maskdepth, TRgb aColor, TBool aMarginFlag)

    {

    if(!iData)

        User::Leave(KErrNotFound);

    FormCommonHeader(aBitmap, EFalse, aColor, aMarginFlag);

    aBitmap->CreateExtendedBitmap(Bitmapsize, Bitmapdepth,

            KUidNvgProprietaryFormat, iData->Ptr(), iData->Length());

    if (aMask)

        {

        FormCommonHeader(0, ETrue, 0, 0);

        aMask->CreateExtendedBitmap(Bitmapsize, Maskdepth,

                KUidNvgProprietaryFormat, iData->Ptr(), iData->Length());

        }

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::UnprepareIcon

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::UnprepareIcon( TInt /*aHandle*/ )

    {

    delete iData;

    iData = NULL;

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::SetAnimated

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::SetAnimated( TBool aAnimated )

    {

    iAnimated = aAnimated;

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::IconFormatType

// -----------------------------------------------------------------------------

//

TInt CAknNvgFormatHandler::IconFormatType()

    {

    return EIconFormatNVG;

    }    

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::SetObserver

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::SetObserver( MAknIconChangeObserver* aObserver )

    {

    iObserver = aObserver;

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::CheckHandleActivatedL

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::CheckHandleActivatedL( CFbsBitmap* /*aBitmap*/, CFbsBitmap * /*aMask*/ )

    {      

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::SupportedDisplayMode

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::SupportedDisplayMode(

    TDisplayMode& aMode, TDisplayMode aPreferredMode )

    {

    // Modes currently supported by SVG engine are:

    // EGray2, EColor4K, EColor64K, EColor16M

//    if ( aMode != EGray2 ) EASK-824CMD:VGISymbianCopyToBitmap fails for bitmaps with EGray2 display modes.Modifying to create bitmaps with supported displaymodes

        {

        aMode = aPreferredMode;

        }

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::SetEngineScaleMode

// -----------------------------------------------------------------------------

//

void CAknNvgFormatHandler::SetEngineScaleMode()

    {

    }

// -----------------------------------------------------------------------------

// CAknNvgFormatHandler::CleanupNullMaskPointer

// -----------------------------------------------------------------------------

//    

//

void CAknNvgFormatHandler::CleanupNullMaskPointer(TAny* aParam)

    {

    static_cast<CAknNvgFormatHandler*>( aParam )->iMask = NULL;

    }

void CAknNvgFormatHandler::FormCommonHeader(const CFbsBitmap *aBitmap,

        TBool isMask, TRgb aColor, TBool aMarginFlag)

    {

    TPtr8 tmpBufPtr(iData->Des());

    TAknIconHeader iconheader(tmpBufPtr);

    if(isMask)

             {

             iconheader.SetIsMask(ETrue);

             return;

             }

    iconheader.Initialize();

    iconheader.SetRotation(iAngle);

    iconheader.SetIconColor(aColor.Value());

    iconheader.SetScaleMode(iMode);

    if(aMarginFlag)

    iconheader.SetMarginCorrection(ETrue);

    iconheader.SetIsMask(EFalse);

    iconheader.SetBitmapId(aBitmap->Handle());

    }

//  End of File