windowing/windowserver/nga/CLIENT/scrdevextension.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.

// Copyright (c) 2008-2009 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:
//

#ifndef SCRDEVEXTENSION_H_
#define SCRDEVEXTENSION_H_

#include <graphics/displaycontrol.h>
#include <graphics/displaymapping.h>
#include <graphics/testscreencapture.h>
#include <w32std.h>


class CWsScreenDevice::CScrDevExtension : public CBase, public MDisplayControl, public MDisplayMapping, public MTestScreenCapture, public MWsClientClass
{
public:
	CScrDevExtension(RWsBuffer *aBuffer,TInt32 aWsHandle);
	~CScrDevExtension();
//create or access the 1:1 extension instance behind the screen device
	TInt RepeatableConstruct();
//get a specific interface
	void*	GetInterface(TUint aId);
//Access pre-existing data members
	CFbsTypefaceStore* TypefaceStore();
	void  SetTypefaceStore(CFbsTypefaceStore*);
//implementing MDisplayControlBase 
	virtual TInt NumberOfResolutions() const;
	virtual TInt GetResolutions(RArray<TResolution>& aResolutions) const;
	virtual void GetConfiguration(TDisplayConfiguration& aConfig) const;
	virtual TInt SetConfiguration(const TDisplayConfiguration& aConfig);
	virtual TInt PreferredDisplayVersion() const;
//implementing MDisplayControl
	virtual TBool DisplayChangeEventsEnabled() const;
	virtual void EnableDisplayChangeEvents(TBool aEnable);
//implementing MDisplayMapping
	virtual TInt MapCoordinates(TCoordinateSpace aSourceSpace, const TRect& aSource, TCoordinateSpace aTargetSpace, TRect& aTarget) const;
	virtual void GetMaximumWindowExtent(TRect& aExtent) const;
	virtual void GetMaximumSurfaceSize(TSize& aPixels, TSize& aTwips) const;
	virtual void GetDisplayExtentOfWindow(const RWindowBase& aWindow, TRect& aExtent) const;
//implementing MTestScreenCapture
	virtual TInt TranslateExtent(const TRect& aInitial, TRect& aTarget) const;
	virtual TInt GetCompositedSize(TSize& aSize) const;
	virtual TInt ComposeScreen(const CFbsBitmap& aBitmap) const;
private:
	//function used by GetResolutions
	TInt FillResolutionArray(TInt aNumOfRes, RArray<TResolution>& aResolutions) const;
protected:
	MWsClientClass* WriteClient() const;
	TInt	iSupportedExtensionsBits;
	CFbsTypefaceStore* iTypefaceStore;
};

#endif /*SCRDEVEXTENSION_H_*/