/*

* Copyright (c) 2009 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:  Utility class to rotate bitmaps*

*/

// INCLUDE FILES

#include "camsnapshotrotator.h"

#include "CamSyncRotatorAo.h"

#include "CamBurstCaptureArray.h"

#include "camlogging.h"

#include "CamAppController.h"

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// ============================= LOCAL FUNCTIONS ===============================

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

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

// CCamSnapShotRotator::CCamSnapShotRotator

// C++ constructor

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

//

CCamSnapShotRotator::CCamSnapShotRotator( CCamAppController& aController ) 

    : iController(aController), iRotatedSnapshot(NULL), iRotatorAo(NULL)

    {    

    }

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

// CCamSnapShotRotator::ConstructL

// Second phase constructor.

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

//

void CCamSnapShotRotator::ConstructL()

    {   

    }

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

// CCamSnapShotRotator::NewL

// Two-phased constructor.

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

//

CCamSnapShotRotator* CCamSnapShotRotator::NewL( CCamAppController& aController )

    {

    CCamSnapShotRotator* self = new( ELeave ) CCamSnapShotRotator( aController );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CCamSnapShotRotator::~CCamSnapShotRotator()

// Destructor

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

//

CCamSnapShotRotator::~CCamSnapShotRotator()

    {

    PRINT( _L("Camera => ~CCamSnapShotRotator") );

    if ( iRotatorAo && iRotatorAo->IsActive() )

        {

        iRotatorAo->Cancel();

        }

    delete iRotatorAo;

    delete iRotatedSnapshot;

    PRINT( _L("Camera <= ~CCamSnapShotRotator") );

    }

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

// CCamSnapShotRotator::RotationCompleteL

// Notification of bitmap rotation complete events

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

//  

void CCamSnapShotRotator::RotationCompleteL( TInt aErr )

    {

    PRINT1( _L( "Camera => CCamSnapShotRotator::RotationCompleteL aErr:%d" ), aErr );

     // Use this snapshot, even if rotation fails. 

    if ( iRotatedSnapshot )

        {

        PRINT( _L( "Camera => CCamSnapShotRotator::RotationCompleteL - ReplaceSnapshot" ) );

        iController.BurstCaptureArray()->ReplaceSnapshot( iRotatedSnapshot, 0 );

        PRINT( _L( "Camera => CCamSnapShotRotator::RotationCompleteL - delete iRotatedSnapshot" ) );

        delete iRotatedSnapshot;

        iRotatedSnapshot = NULL;

        iController.SnapshotRotationComplete();

        }

    PRINT( _L( "Camera <= CCamSnapShotRotator::RotationCompleteL" ) );         

    }    

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

// CCamSnapShotRotator::Rotate

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

//  

void CCamSnapShotRotator::RotateL( CFbsBitmap* aBitmap )

    {

    PRINT( _L( "Camera => CCamSnapShotRotator::Rotate" ) ); 

    if ( !iRotatedSnapshot )

        {

        iRotatedSnapshot = new (ELeave)CFbsBitmap();

        }

    iRotatedSnapshot->Create( aBitmap->SizeInPixels(), aBitmap->DisplayMode() );

    TRect tmpRect( TPoint( 0, 0 ), aBitmap->SizeInPixels() );

    TInt tmpLen = tmpRect.Width() * tmpRect.Height() * 4;

    //copy the snapshot data

    iRotatedSnapshot->BeginDataAccess();

    aBitmap->BeginDataAccess();

    Mem::Copy( iRotatedSnapshot->DataAddress(), aBitmap->DataAddress(), tmpLen );

    iRotatedSnapshot->EndDataAccess();

    aBitmap->EndDataAccess();

    if ( !iRotatorAo )

        {

        iRotatorAo = CCamSyncRotatorAo::NewL( *this );

        }    

    iRotatorAo->RotateL( iRotatedSnapshot, CBitmapRotator::ERotation180DegreesClockwise );

    PRINT( _L( "Camera <= CCamSnapShotRotator::Rotate" ) );  

    }

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

// CCamSnapShotRotator::IsActive

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

//  

TBool CCamSnapShotRotator::IsActive()

    {

    TBool ret(EFalse);

    if ( iRotatorAo )

        {

        ret = iRotatorAo->IsActive();

        }

    return ret;

    }

//  End of File