graphicsdeviceinterface/directgdiinterface/inc/directgdiimagetarget.h
author Faisal Memon <faisal.memon@nokia.com>
Thu, 09 Sep 2010 18:17:30 +0100
branchNewGraphicsArchitecture
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parent 0 5d03bc08d59c
permissions -rw-r--r--
Export new s4 egl extensions bitmap for the SF wiki
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// Copyright (c) 2007-2009 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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//
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#ifndef DIRECTGDIIMAGETARGET_H
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#define DIRECTGDIIMAGETARGET_H
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/**
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@file
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@publishedPartner
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@prototype
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@deprecated
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*/
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#include <e32def.h>
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// Forward declarations.
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//
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class CDirectGdiDriver;
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class RSgImage;
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/**
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RDirectGdiImageTarget is a handle to a DirectGDI adaptation-specific resource which 
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abstracts the image-based rendering target. The main intention in creating this resource 
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is to allow a global sharable image resource (RSgImage) to be used as a target of 
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DirectGDI rendering. For example, in a DirectGDI adaptation where OpenVG is used to 
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implement DirectGDI functionality, the creation of RDirectGdiImageTarget may be associated 
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with the creation of an underlying EGL surface from the given RSgImage. This handle class 
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and its DirectGDI adaptation-specific resource are non-sharable and local within the 
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creating thread.
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This class is part of a generic layer and will forward any request to the CDirectGdiDriver
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singleton for the calling thread.
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CDirectGdiContext is activated on an RDirectGdiImageTarget. This causes all subsequent
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context drawing operations to to draw to the image resource referred to by the 
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RDirectGdiImageTarget.
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@see CDirectGdiContext
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*/
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NONSHARABLE_CLASS(RDirectGdiImageTarget)
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	{
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	friend class CDirectGdiDriver;
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	friend class CTPanicTests;
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public:
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	IMPORT_C RDirectGdiImageTarget();
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	IMPORT_C RDirectGdiImageTarget(CDirectGdiDriver& aDriver);
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	IMPORT_C TInt Create(const RSgImage& aImage);
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	IMPORT_C void Close();
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	inline TInt Handle() const;
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private:
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	CDirectGdiDriver* iDriver;
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	TInt iHandle;
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	};
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#include <graphics/directgdiimagetarget.inl>
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#endif //DIRECTGDIIMAGETARGET_H