// 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