diff -r 000000000000 -r 5d03bc08d59c graphicsdeviceinterface/bitgdi/tbit/tswitch.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsdeviceinterface/bitgdi/tbit/tswitch.h	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,63 @@
+// Copyright (c) 1997-2009 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:
+//
+
+#if !defined(__TSWITCH_H__)
+#define __TSWITCH_H__
+
+#include <bitdev.h>
+#include "TGraphicsHarness.h"
+
+class CTSwitch : public CTGraphicsBase
+	{
+public:
+	CTSwitch(CTestStep* aStep);
+	~CTSwitch();
+protected:
+//from 	CTGraphicsStep
+	virtual void RunTestCaseL(TInt aCurTestCase);
+private:
+	void TestL();
+	TBool SetModeL(TDisplayMode aDispMode);
+	void FillScreen();
+	TBool SwitchModeL(TDisplayMode aDispMode);
+	void CheckSwitch(TDisplayMode aOldDispMode,TDisplayMode aNewDispMode);
+	void CheckBuffers(TDisplayMode aOldDispMode,TDisplayMode aNewDispMode, TUint aLineWidth,TInt aDitherOffset);
+	void CheckRgbs(TDisplayMode aOldDispMode,TRgb aSrceRgb,TDisplayMode aNewDispMode,TRgb aDestRgb,TInt aDitherOffset);
+	void ConvertRgb(TRgb& aRgb,TDisplayMode aDispMode,TInt aDitherOffset);
+private:
+	CFbsBitmap* iBitmap;
+	CFbsScreenDevice* iDevice;
+	CFbsBitGc* iGc;
+	CFbsScreenDevice* iAltDevice;
+	CFbsBitGc* iAltGc;
+	TRgb* iSrceBuffer;
+	TRgb* iDestBuffer;
+	};
+
+class CTSwitchStep : public CTGraphicsStep
+	{
+public:
+	CTSwitchStep();
+protected:	
+	//from CTGraphicsStep
+	virtual CTGraphicsBase* CreateTestL();
+	virtual void TestSetupL();
+	virtual void TestClose();
+	};
+
+_LIT(KTSwitchStep,"TSwitch");
+
+
+#endif