sl@0: // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Graphics Resource - kernel extension
sl@0: //
sl@0: 
sl@0: #ifndef SGEXTENSION_H
sl@0: #define SGEXTENSION_H
sl@0: 
sl@0: #include <kernel/kernel.h>
sl@0: #include <sgresource/sgcommon.h>
sl@0: 
sl@0: class DSgResource: public DBase
sl@0: 	{
sl@0: public:
sl@0: 	virtual TInt Open() = 0;
sl@0: 	virtual void Close() = 0;
sl@0: 	virtual TUint64 Id() const = 0;
sl@0: 	virtual TUint32 Attributes() const = 0;
sl@0: 	virtual TInt GetMetaData(TDes8& aMetaData) const = 0;
sl@0: 	virtual DChunk* DataChunk() const = 0;
sl@0: 	virtual TInt DataSize() const = 0;
sl@0: 	inline static TInt Compare(const TUint64* aId, const DSgResource& aResource);
sl@0: 	inline static TInt Compare(const DSgResource& aResource1, const DSgResource& aResource2);
sl@0: 	};
sl@0: 
sl@0: class SgExtension
sl@0: 	{
sl@0: public:
sl@0: 	IMPORT_C static TVersion Version();
sl@0: 	IMPORT_C static TInt CreateResource(TUint32 aAttribs, const TDesC8& aMetaData, TInt aDataSize, DSgResource*& aResource);
sl@0: 	IMPORT_C static TInt FindAndOpenResource(TUint64 aId, DSgResource*& aResource);
sl@0: 	IMPORT_C static TInt GlobalResourceCount();
sl@0: 	IMPORT_C static TInt GlobalGraphicsMemoryUsed();
sl@0: 	};
sl@0: 
sl@0: #include <sgresource/sgextension.inl>
sl@0: 
sl@0: #endif // SGEXTENSION_H