1 // Copyright (c) 2004-2009 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 __TALPHABLEND_H__

    17 #define __TALPHABLEND_H__

    18 

    19 #include <bitdev.h>

    20 #include "TGraphicsHarness.h"

    21 

    22 

    23 class CTAlphaBlending : public CTGraphicsBase

    24 	{

    25 public:

    26 	CTAlphaBlending(CTestStep* aStep);

    27 	~CTAlphaBlending();

    28 

    29 protected:

    30 //from 	CTGraphicsStep

    31 	virtual void RunTestCaseL(TInt aCurTestCase);

    32 

    33 private:

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

    35 	void DeleteScreenDevice();

    36 	void DeleteGraphicsContext();

    37 

    38 	void TestAlphaBlendingL();

    39 	void DoAlphaBlendingTestsL(const TPoint& aOrigin,

    40 							   const TPoint& aDestPt, 

    41 							   const TRect& aSrcRc1, 

    42 							   const TPoint& aScrPt2,

    43 							   const TPoint& aAlphaPt);

    44 	void DoAlphaBlendingTestL(CFbsBitmap* aScreenBmp, 

    45 							  const CFbsBitmap* aSrcBmp, 

    46 							  const CFbsBitmap* aAlphaBmp,

    47 							  const TPoint& aDestPt, 

    48 							  const TRect& aSrcRc1, 

    49 							  const TPoint& aSrcPt2,

    50 							  const TPoint& aAlphaPt);

    51 

    52 	void CreateAlphaBlendingBitmapsLC(CFbsBitmap*& aScreenBmp, 

    53 									  CFbsBitmap*& aSrcBmp, 

    54 									  CFbsBitmap*& aAlphaBmp,

    55 									  TDisplayMode aMode);

    56 	void DestroyAlphaBlendingBitmaps(CFbsBitmap*& aScreenBmp, 

    57 									 CFbsBitmap*& aSrcBmp, 

    58 									 CFbsBitmap*& aAlphaBmp);

    59 

    60 	void DoDrawBitmapTestL(TDisplayMode aTestDisplayMode);

    61 	void DoDrawBitmapTestsL();

    62 	void TestAlphaBlending2L();

    63 

    64 	void TestAlphaBlendCorrect(TDisplayMode aScreenMode, TDisplayMode aBitmapMode);

    65 	void TestAlphaBlendingPlotL();

    66 	TUint32 GetRawPixel(CFbsBitmap* aBitmap, TPoint aPos);

    67 

    68 private:

    69 	CFbsScreenDevice* iDevice;

    70 	CFbsBitGc* iGc;

    71 	};

    72 

    73 

    74 

    75 class CTAlphaBlendingStep : public CTGraphicsStep

    76 	{

    77 public:

    78 	CTAlphaBlendingStep();

    79 protected:	

    80 	//from CTGraphicsStep

    81 	virtual CTGraphicsBase* CreateTestL();

    82 	virtual void TestSetupL();

    83 	};

    84 

    85 _LIT(KTAlphaBlendingStep,"TAlphaBlending");

    86 

    87 

    88 #endif