// Copyright (c) 2004-2009 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 __TALPHABLEND_H__

 #define __TALPHABLEND_H__

 #include <bitdev.h>

 #include "TGraphicsHarness.h"

 class CTAlphaBlending : public CTGraphicsBase

 	{

 public:

 	CTAlphaBlending(CTestStep* aStep);

 	~CTAlphaBlending();

 protected:

 //from 	CTGraphicsStep

 	virtual void RunTestCaseL(TInt aCurTestCase);

 private:

 	TInt CreateScreenDevice(TDisplayMode aDisplayMode, CFbsBitGc::TGraphicsOrientation aOrientation=CFbsBitGc::EGraphicsOrientationNormal);

 	void DeleteScreenDevice();

 	void DeleteGraphicsContext();

 	void TestAlphaBlendingL();

 	void DoAlphaBlendingTestsL(const TPoint& aOrigin,

 							   const TPoint& aDestPt, 

 							   const TRect& aSrcRc1, 

 							   const TPoint& aScrPt2,

 							   const TPoint& aAlphaPt);

 	void DoAlphaBlendingTestL(CFbsBitmap* aScreenBmp, 

 							  const CFbsBitmap* aSrcBmp, 

 							  const CFbsBitmap* aAlphaBmp,

 							  const TPoint& aDestPt, 

 							  const TRect& aSrcRc1, 

 							  const TPoint& aSrcPt2,

 							  const TPoint& aAlphaPt);

 	void CreateAlphaBlendingBitmapsLC(CFbsBitmap*& aScreenBmp, 

 									  CFbsBitmap*& aSrcBmp, 

 									  CFbsBitmap*& aAlphaBmp,

 									  TDisplayMode aMode);

 	void DestroyAlphaBlendingBitmaps(CFbsBitmap*& aScreenBmp, 

 									 CFbsBitmap*& aSrcBmp, 

 									 CFbsBitmap*& aAlphaBmp);

 	void DoDrawBitmapTestL(TDisplayMode aTestDisplayMode);

 	void DoDrawBitmapTestsL();

 	void TestAlphaBlending2L();

 	void TestAlphaBlendCorrect(TDisplayMode aScreenMode, TDisplayMode aBitmapMode);

 	void TestAlphaBlendingPlotL();

 	TUint32 GetRawPixel(CFbsBitmap* aBitmap, TPoint aPos);

 private:

 	CFbsScreenDevice* iDevice;

 	CFbsBitGc* iGc;

 	};

 class CTAlphaBlendingStep : public CTGraphicsStep

 	{

 public:

 	CTAlphaBlendingStep();

 protected:	

 	//from CTGraphicsStep

 	virtual CTGraphicsBase* CreateTestL();

 	virtual void TestSetupL();

 	};

 _LIT(KTAlphaBlendingStep,"TAlphaBlending");

 #endif