// Copyright (c) 2004-2009 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:

//

#include <fbs.h>

#include "AnimationFrame.h"

/** Destructor.*/

EXPORT_C CAnimationFrame::~CAnimationFrame()

	{

	delete iBitmap;

	delete iMask;

	}

/**

Two stage constructor.

After construction, the frame contains empty bitmaps.

@return The new object

*/

EXPORT_C CAnimationFrame* CAnimationFrame::NewL()

	{

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

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

/**

Two stage constructor.

After construction, the frame contains the bitmaps specified in the handles

argument.

@see GetHandles()

@param aHandles An internal data type used for transferring the contents

@return The new object

*/

EXPORT_C CAnimationFrame* CAnimationFrame::NewL(const THandles& aHandles)

	{

	CAnimationFrame * self = NewL();

	CleanupStack::PushL(self);

	self->SetHandlesL(aHandles);

	CleanupStack::Pop(self);

	return self;

	}

void CAnimationFrame::ConstructL()

	{

	iBitmap = new (ELeave) CFbsBitmap;

	iMask = new (ELeave) CFbsBitmap;

	}

/**

Initialises the internal bitmaps to the correct sizes for the frame.

@param aFrameInfo A TFrameInfo object indicating the required size

of the bitmaps.

*/

EXPORT_C void CAnimationFrame::CreateL(const TFrameInfo& aFrameInfo)

	{

	iFrameInfo = aFrameInfo;

	iBitmap->Reset();

	iMask->Reset();

	User::LeaveIfError(iBitmap->Create(iFrameInfo.iFrameCoordsInPixels.Size(), iFrameInfo.iFrameDisplayMode));

	User::LeaveIfError(iMask->Create(iFrameInfo.iFrameCoordsInPixels.Size(), EGray256));

	}

/**

Obtains an alternative representation of the frame suitable for transferring

over most interfaces (a THandle uses handles instead of pointers).

@see SetHandlesL()

@param aHandles A handles object to populate

*/

EXPORT_C void CAnimationFrame::GetHandles(THandles & aHandles) const

	{

	aHandles.iBitmapHandle = iBitmap->Handle();

	aHandles.iMaskHandle = iMask->Handle();

	aHandles.iFrameInfo = iFrameInfo;

	}

/**

Sets the contents of the internal bitmaps to those represented by the handles.

@see GetHandles()

@param aHandles A handles object obtained from a call to GetHandles

*/

EXPORT_C void CAnimationFrame::SetHandlesL(const THandles & aHandles)

	{

	iBitmap->Duplicate(aHandles.iBitmapHandle);

	iMask->Duplicate(aHandles.iMaskHandle);

	iFrameInfo = aHandles.iFrameInfo;

	}

/** Reserved for future use */

EXPORT_C void CAnimationFrame::CAnimationFrame_Reserved1() { }

/** Reserved for future use */

EXPORT_C void CAnimationFrame::CAnimationFrame_Reserved2() { }