// 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:

// Graphics Resource - drawable implementation

//

#include "sgdriver.h"

EXPORT_C TInt RSgDrawable::Open(TSgDrawableId aId, const TSgAttributeArrayBase* aAttributes)

	{

	if (iImpl)

		{

		return KErrInUse;

		}

	__ASSERT_ALWAYS(gPls.iDriver, Panic(ESgPanicNoDriver));

	return gPls.iDriver->FindAndOpenImage(aId, aAttributes, iImpl);

	}

EXPORT_C void RSgDrawable::Close()

	{

	if (iImpl)

		{

		__ASSERT_ALWAYS(gPls.iDriver, Panic(ESgPanicNoDriver));

		__ASSERT_ALWAYS(gPls.iDriver->CheckImage(iImpl), Panic(ESgPanicBadDrawableHandle));

		static_cast<XSgImage*>(iImpl)->Close();

		iImpl = NULL;

		}

	}

EXPORT_C TSgDrawableId RSgDrawable::Id() const

	{

	if (!iImpl)

		{

		return KSgNullDrawableId;

		}

	__ASSERT_ALWAYS(gPls.iDriver, Panic(ESgPanicNoDriver));

	__ASSERT_ALWAYS(gPls.iDriver->CheckImage(iImpl), Panic(ESgPanicBadDrawableHandle));

	return static_cast<XSgImage*>(iImpl)->Id();

	}

EXPORT_C TUid RSgDrawable::DrawableType() const

	{

	if (!iImpl)

		{

		return KNullUid;

		}

	__ASSERT_ALWAYS(gPls.iDriver, Panic(ESgPanicNoDriver));

	__ASSERT_ALWAYS(gPls.iDriver->CheckImage(iImpl), Panic(ESgPanicBadDrawableHandle));

	return static_cast<XSgImage*>(iImpl)->DrawableType();

	}

EXPORT_C TInt RSgDrawable::GetInterface(TUid aInterfaceUid, TAny*& aInterfacePtr) const

	{

	aInterfacePtr = NULL;

	if (!iImpl)

		{

		return KErrBadHandle;

		}

	__ASSERT_ALWAYS(gPls.iDriver, Panic(ESgPanicNoDriver));

	__ASSERT_ALWAYS(gPls.iDriver->CheckImage(iImpl), Panic(ESgPanicBadDrawableHandle));

	return static_cast<XSgImage*>(iImpl)->GetInterface(aInterfaceUid, aInterfacePtr);

	}