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