graphicsdeviceinterface/directgdiinterface/inc/directgdiimagetarget.h
author Faisal Memon <faisal.memon@nokia.com>
Fri, 25 Jun 2010 17:49:58 +0100
branchEGL_MERGE
changeset 105 158b2308cc08
parent 0 5d03bc08d59c
permissions -rw-r--r--
Fix def files so that the implementation agnostic interface definition has no non-standards defined entry points, and change the eglrefimpl specific implementation to place its private entry points high up in the ordinal order space in the implementation region, not the standards based entrypoints region.
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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