// Copyright (c) 2007-2009 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 "directgdiimageref.h"

#include <graphics/sgresourceinternal.h>

CDirectGdiImageRef::CDirectGdiImageRef()

	{

	}

/**

Second phase construction. If the object has not been opened before,

the passed RSgImage handle is shared with the member RSgImage and the size of the 

shared RSgImage is stored.

@return KErrNone if successful, otherwise an error from RSgDrawable::Open() or 

RSgImage::GetInfo()

 */

TInt CDirectGdiImageRef::Construct(const RSgImage& aSgImage)

	{		

	TInt err = KErrNone;	

	// Share the passed RSgImage handle with our own RSgImage

	err = iSgImage.Open(aSgImage.Id(), ESgDoNotRestrictUsage);

	if (err == KErrNone)

		{

		// Save our image size, only need to do this the first time we are created

		TSgImageInfo info;

		err = iSgImage.GetInfo(info);

		if (err == KErrNone)

			{

			iImageSize = info.iSizeInPixels;

			iImagePixelFormat = info.iPixelFormat;

			iSgImageOpen = ETrue;

			}

		else

			{

			iSgImage.Close();

			}

		}

	return err;

	}

/**

Destructor, close the RSgImage being held open if it had been opened it successfully.

 */

CDirectGdiImageRef::~CDirectGdiImageRef()

	{

	if (iSgImageOpen)

		{

		iSgImage.Close();

		}

	}