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// Copyright (c) 2008-2009 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 SCRDEVEXTENSION_H_
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#define SCRDEVEXTENSION_H_
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#include <graphics/displaycontrol.h>
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#include <graphics/displaymapping.h>
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#include <graphics/testscreencapture.h>
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#include <w32std.h>
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class CWsScreenDevice::CScrDevExtension : public CBase, public MDisplayControl, public MDisplayMapping, public MTestScreenCapture, public MWsClientClass
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{
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public:
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CScrDevExtension(RWsBuffer *aBuffer,TInt32 aWsHandle);
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~CScrDevExtension();
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//create or access the 1:1 extension instance behind the screen device
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TInt RepeatableConstruct();
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//get a specific interface
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void* GetInterface(TUint aId);
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//Access pre-existing data members
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CFbsTypefaceStore* TypefaceStore();
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void SetTypefaceStore(CFbsTypefaceStore*);
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//implementing MDisplayControlBase
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virtual TInt NumberOfResolutions() const;
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virtual TInt GetResolutions(RArray<TResolution>& aResolutions) const;
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virtual void GetConfiguration(TDisplayConfiguration& aConfig) const;
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virtual TInt SetConfiguration(const TDisplayConfiguration& aConfig);
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virtual TInt PreferredDisplayVersion() const;
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//implementing MDisplayControl
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virtual TBool DisplayChangeEventsEnabled() const;
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virtual void EnableDisplayChangeEvents(TBool aEnable);
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//implementing MDisplayMapping
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virtual TInt MapCoordinates(TCoordinateSpace aSourceSpace, const TRect& aSource, TCoordinateSpace aTargetSpace, TRect& aTarget) const;
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virtual void GetMaximumWindowExtent(TRect& aExtent) const;
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virtual void GetMaximumSurfaceSize(TSize& aPixels, TSize& aTwips) const;
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virtual void GetDisplayExtentOfWindow(const RWindowBase& aWindow, TRect& aExtent) const;
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//implementing MTestScreenCapture
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virtual TInt TranslateExtent(const TRect& aInitial, TRect& aTarget) const;
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virtual TInt GetCompositedSize(TSize& aSize) const;
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virtual TInt ComposeScreen(const CFbsBitmap& aBitmap) const;
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private:
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//function used by GetResolutions
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TInt FillResolutionArray(TInt aNumOfRes, RArray<TResolution>& aResolutions) const;
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protected:
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MWsClientClass* WriteClient() const;
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TInt iSupportedExtensionsBits;
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CFbsTypefaceStore* iTypefaceStore;
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};
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#endif /*SCRDEVEXTENSION_H_*/
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