1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef SCRDEVEXTENSION_H_

    17 #define SCRDEVEXTENSION_H_

    18 

    19 #include <graphics/displaycontrol.h>

    20 #include <graphics/displaymapping.h>

    21 #include <graphics/testscreencapture.h>

    22 #include <w32std.h>

    23 

    24 

    25 class CWsScreenDevice::CScrDevExtension : public CBase, public MDisplayControl, public MDisplayMapping, public MTestScreenCapture, public MWsClientClass

    26 {

    27 public:

    28 	CScrDevExtension(RWsBuffer *aBuffer,TInt32 aWsHandle);

    29 	~CScrDevExtension();

    30 //create or access the 1:1 extension instance behind the screen device

    31 	TInt RepeatableConstruct();

    32 //get a specific interface

    33 	void*	GetInterface(TUint aId);

    34 //Access pre-existing data members

    35 	CFbsTypefaceStore* TypefaceStore();

    36 	void  SetTypefaceStore(CFbsTypefaceStore*);

    37 //implementing MDisplayControlBase 

    38 	virtual TInt NumberOfResolutions() const;

    39 	virtual TInt GetResolutions(RArray<TResolution>& aResolutions) const;

    40 	virtual void GetConfiguration(TDisplayConfiguration& aConfig) const;

    41 	virtual TInt SetConfiguration(const TDisplayConfiguration& aConfig);

    42 	virtual TInt PreferredDisplayVersion() const;

    43 //implementing MDisplayControl

    44 	virtual TBool DisplayChangeEventsEnabled() const;

    45 	virtual void EnableDisplayChangeEvents(TBool aEnable);

    46 //implementing MDisplayMapping

    47 	virtual TInt MapCoordinates(TCoordinateSpace aSourceSpace, const TRect& aSource, TCoordinateSpace aTargetSpace, TRect& aTarget) const;

    48 	virtual void GetMaximumWindowExtent(TRect& aExtent) const;

    49 	virtual void GetMaximumSurfaceSize(TSize& aPixels, TSize& aTwips) const;

    50 	virtual void GetDisplayExtentOfWindow(const RWindowBase& aWindow, TRect& aExtent) const;

    51 //implementing MTestScreenCapture

    52 	virtual TInt TranslateExtent(const TRect& aInitial, TRect& aTarget) const;

    53 	virtual TInt GetCompositedSize(TSize& aSize) const;

    54 	virtual TInt ComposeScreen(const CFbsBitmap& aBitmap) const;

    55 private:

    56 	//function used by GetResolutions

    57 	TInt FillResolutionArray(TInt aNumOfRes, RArray<TResolution>& aResolutions) const;

    58 protected:

    59 	MWsClientClass* WriteClient() const;

    60 	TInt	iSupportedExtensionsBits;

    61 	CFbsTypefaceStore* iTypefaceStore;

    62 };

    63 

    64 #endif /*SCRDEVEXTENSION_H_*/