windowing/windowserver/tauto/TFADINGBITMAP.CPP
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     1 // Copyright (c) 2006-2009 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 // The fix enables the fading effect with alpha-blending, which was not applied bofore.
       
    15 // The test will load a bitmap and two different masks: on/off and alpha-blend.
       
    16 // The bitmap will be masked with these masks and displayed before and after
       
    17 // setting the fading effect.
       
    18 // All different colour modes are being tested for both mask types.
       
    19 // The test will check the colour of a specific pixel in the scene before and after the
       
    20 // fading. The higher values in the After circle means that it has been highlighted.
       
    21 // The result will be printed in wstest log file.
       
    22 // 
       
    23 //
       
    24 
       
    25 /**
       
    26  @file
       
    27  @test
       
    28  @internalComponent - Internal Symbian test code
       
    29 */
       
    30 
       
    31 #include "TFADINGBITMAP.H"
       
    32 
       
    33 //===================================================
       
    34 // CBaseWin Declaration
       
    35 //===================================================
       
    36 
       
    37 CBaseWin::CBaseWin(): CTWin()
       
    38 	{
       
    39 	}
       
    40 
       
    41 CBaseWin::~CBaseWin()
       
    42 	{
       
    43 	delete iTempBitmap;
       
    44 	delete iMaskGray256;
       
    45 	delete iMaskGray2;
       
    46 	delete iTempMask;
       
    47 	delete iBitmap;
       
    48 	}
       
    49 
       
    50 void CBaseWin::ConstructWinL(TPoint aPos, TSize aSize, TBool aVisible)
       
    51 	{	
       
    52 	/*** Setting up the window ***/
       
    53 	iSize = aSize;
       
    54 	SetUpL(aPos, aSize, TheClient->iGroup, *TheClient->iGc, aVisible);
       
    55 	Win()->SetBackgroundColor(TRgb(20, 80, 20));	// dark green background
       
    56 	BaseWin()->SetRequiredDisplayMode(EColor64K);
       
    57 
       
    58 	/*** 24 bit bitmap ***/
       
    59 	// the original 24b bitmap to mask
       
    60 	iTempBitmap = new (ELeave) CFbsBitmap();
       
    61 	User::LeaveIfError(iTempBitmap->Load(_L("Z:\\WSTEST\\WSAUTOTEST.MBM"), EMbmWsautotestCircles24b));
       
    62 	iBitmap = new (ELeave) CFbsBitmap();
       
    63 
       
    64 	/*** on/off mask ***/
       
    65 	iMaskGray2 = new (ELeave) CFbsBitmap();
       
    66 	User::LeaveIfError(iMaskGray2->Load(_L("Z:\\WSTEST\\WSAUTOTEST.MBM"), EMbmWsautotestCircles_mask2b));
       
    67 
       
    68 	/*** alpha-blend mask ***/
       
    69 	// holds the 24bit copy of the alpha blend mask which will be 
       
    70 	// copied into the proper Gray256 mask, iMaskGray256.
       
    71 	iTempMask = new (ELeave) CFbsBitmap();
       
    72 	User::LeaveIfError(iTempMask->Load(_L("Z:\\WSTEST\\WSAUTOTEST.MBM"), EMbmWsautotestCircles_mask256));	
       
    73 	// alpha blend mask; copying its data from iTempMask
       
    74 	iMaskGray256 = new (ELeave) CFbsBitmap();
       
    75 	User::LeaveIfError(iMaskGray256->Create(iTempBitmap->SizeInPixels(),EGray256));
       
    76 	CFbsBitmapDevice *dev = CFbsBitmapDevice::NewL(iMaskGray256);
       
    77 	CleanupStack::PushL(dev);
       
    78 	CFbsBitGc *gc;
       
    79 	User::LeaveIfError(dev->CreateContext(gc));
       
    80 	// performing the copying here
       
    81 	gc->BitBlt(TPoint(0,0), iTempMask);
       
    82 	// cleaning up
       
    83 	CleanupStack::Pop();
       
    84 	delete gc;
       
    85 	gc = NULL;	
       
    86 	delete dev;
       
    87 	dev = NULL;	
       
    88 	}
       
    89 
       
    90 void CBaseWin::Draw()
       
    91 	{
       
    92 	iGc->Clear();
       
    93 
       
    94 	// Font intialization
       
    95 	CFont* myFont;    	
       
    96 	_LIT(KMyFontName,"Swiss");
       
    97 	TFontSpec myFontSpec = TFontSpec(KMyFontName,16); // to get smallest Swiss font
       
    98 	TFontStyle style = TFontStyle (EPostureUpright, EStrokeWeightBold,   EPrintPosNormal);
       
    99 	myFontSpec.iFontStyle = style;
       
   100 	User::LeaveIfError(TheClient->iScreen->GetNearestFontInPixels(myFont, myFontSpec));
       
   101 	iGc->UseFont(myFont);
       
   102 	iGc->SetPenStyle(CGraphicsContext::ESolidPen);
       
   103 	iGc->SetPenColor(TRgb(255, 255, 255));
       
   104 	
       
   105 	// drawing text
       
   106 	iGc->DrawText(_L("Fading = OFF"), TPoint(130,15));
       
   107 	iGc->DrawText(_L("Fading = ON"),  TPoint(275,15));
       
   108 	iGc->DrawText(_L("Alpha blend"), TPoint(15,90));
       
   109 	iGc->DrawText(_L("on/off mask"),  TPoint(15,190));
       
   110 	TBuf <30> displayMode(_L("Display Mode = "));
       
   111 	displayMode.Append(iMode);	
       
   112 	iGc->DrawText(displayMode, TPoint(385,100));		
       
   113 	
       
   114 	/*** drawing bitmap with its on/off mask and alpha-blending 
       
   115 		 before and after fading ***/
       
   116 	iGc->BitBltMasked(TPoint(140,25), iBitmap, 
       
   117 						   TRect(0,0,100,100), iMaskGray256, EFalse);	
       
   118 	// Save the pixel colour of a pixel on the outer ring of the circle 
       
   119 	// before fading enabled.
       
   120 	TheClient->iScreen->GetPixel(iNonFadedPixel, TPoint(190,30));	
       
   121 
       
   122 	iGc->SetFaded(ETrue);
       
   123 	iGc->BitBltMasked(TPoint(270,25), iBitmap, 
       
   124 						   TRect(0,0,100,100), iMaskGray256, EFalse);
       
   125 	// Save the pixel colour of a pixel on the outer ring of the circle 
       
   126 	// after fading enabled.
       
   127 	TheClient->iScreen->GetPixel(iFadedPixel, TPoint(320,30));	
       
   128 
       
   129 	iGc->SetFaded(EFalse);
       
   130 	
       
   131 	iGc->BitBltMasked(TPoint(140,125), iBitmap, 
       
   132 						   TRect(0,0,100,100), iMaskGray2, EFalse);
       
   133 	iGc->SetFaded(ETrue);
       
   134 	iGc->BitBltMasked(TPoint(270,125), iBitmap, 
       
   135 						   TRect(0,0,100,100), iMaskGray2, EFalse);
       
   136 	iGc->SetFaded(EFalse);
       
   137 
       
   138 	iGc->DiscardFont();
       
   139 	TheClient->iScreen->ReleaseFont(myFont);
       
   140 	}
       
   141 
       
   142 
       
   143 //===================================================
       
   144 // CTFadingBitmap Definition
       
   145 //===================================================
       
   146 
       
   147 CTFadingBitmap::CTFadingBitmap(CTestStep* aStep):
       
   148 	CTWsGraphicsBase(aStep), iTestResult(ETrue)
       
   149 	{
       
   150 	}
       
   151 
       
   152 CTFadingBitmap::~CTFadingBitmap()
       
   153 	{
       
   154 	delete iBgWin;
       
   155 	}
       
   156 
       
   157 void CTFadingBitmap::TestFadingL()
       
   158 	{
       
   159 	// Modes to test
       
   160 	TDisplayMode modes[] = 
       
   161 		{
       
   162 		EGray2, EGray4, EGray16, EGray256, 
       
   163 		EColor16, EColor256, EColor4K, EColor64K, 
       
   164 		EColor16M, EColor16MU, EColor16MA, EColor16MAP   
       
   165 		};
       
   166 	
       
   167 	TBuf <12> modesTxt []= 
       
   168 		{
       
   169 		_L("EGray2"), _L("EGray4"), _L("EGray16"), _L("EGray256"), 
       
   170 		_L("EColor16"), _L("EColor256"), _L("EColor4K"), _L("EColor64K"), 
       
   171 		_L("EColor16M"), _L("EColor16MU"), _L("EColor16MA"), _L("EColor16MAP")
       
   172 		};
       
   173 	
       
   174 	TBuf <100> testTxt;		 
       
   175 	for( int i = 0; i < 12; i++)
       
   176 		{
       
   177 		testTxt.Format(modesTxt[i]);
       
   178 		INFO_PRINTF1(testTxt);
       
   179 		// Here we copy the content of the temp bitmap, which holds the test bitmap,
       
   180 		// into the bitmap created with alternating color depths.
       
   181 		User::LeaveIfError(iBgWin->iBitmap->Create(iBgWin->iTempBitmap->SizeInPixels(), modes[i]));
       
   182 		CFbsBitmapDevice *dev = CFbsBitmapDevice::NewL(iBgWin->iBitmap);
       
   183 		CleanupStack::PushL(dev);
       
   184 		CFbsBitGc *gc;
       
   185 		User::LeaveIfError(dev->CreateContext(gc));
       
   186 		// performing the copying here
       
   187 		gc->BitBlt(TPoint(0,0), iBgWin->iTempBitmap);
       
   188 		// setting the mode text to display it
       
   189 		iBgWin->iMode = modesTxt[i];
       
   190 		// draws the bitmap on screen 
       
   191 		iBgWin->DrawNow();
       
   192 		TheClient->Flush();
       
   193 		User::After(5000);
       
   194 		// cleaning up		
       
   195 		CleanupStack::Pop();
       
   196 		delete gc;
       
   197 		gc = NULL;	
       
   198 		delete dev;
       
   199 		dev = NULL;		
       
   200 		
       
   201 		// Here the colours of pixels before and after fading are printed in wstest log
       
   202 		testTxt.Format(_L("Nonfaded circle - color of the outside ring: R=%d G=%d B=%d"), iBgWin->iNonFadedPixel.Red(), iBgWin->iNonFadedPixel.Green(), iBgWin->iNonFadedPixel.Blue());
       
   203 		INFO_PRINTF1(testTxt);
       
   204 		testTxt.Format(_L("Faded circle  - color of the outside ring: R=%d G=%d B=%d"), iBgWin->iFadedPixel.Red(), iBgWin->iFadedPixel.Green(), iBgWin->iFadedPixel.Blue());
       
   205 		INFO_PRINTF1(testTxt);
       
   206 		
       
   207 		// Checks if the colors are the same before and after the fading.
       
   208 		// The color will be the same only in EGray2 and EGray4 as there are no enough 
       
   209 		// color variations to represent the fading and nonfading effects.
       
   210 		if(iTestResult &&
       
   211 		   iBgWin->iNonFadedPixel.Red()   == iBgWin->iFadedPixel.Red() &&
       
   212 		   iBgWin->iNonFadedPixel.Green() == iBgWin->iFadedPixel.Green() &&
       
   213 		   iBgWin->iNonFadedPixel.Blue()  == iBgWin->iFadedPixel.Blue() &&
       
   214 		   modes[i] != EGray2 && modes[i] != EGray4)
       
   215 			iTestResult = EFalse;
       
   216 		}
       
   217 	}
       
   218 
       
   219 void CTFadingBitmap::ConstructL()
       
   220 	{
       
   221 	// construct the base window of the test in the background
       
   222 	TSize scrSize = TSize(TheClient->iScreen->SizeInPixels());
       
   223 	iBgWin = new (ELeave) CBaseWin();
       
   224 	iBgWin->ConstructWinL(TPoint(0,0), scrSize, ETrue);	
       
   225 	}
       
   226 
       
   227 void CTFadingBitmap::RunTestCaseL(TInt aCurTestCase)
       
   228 	{
       
   229     	((CTFadingBitmapStep*)iStep)->SetTestStepID(KUnknownSYMTestCaseIDName);
       
   230 	switch(aCurTestCase)
       
   231 		{
       
   232 		case 1:
       
   233 /**
       
   234 @SYMTestCaseID		GRAPHICS-WSERV-0566
       
   235 */
       
   236             		((CTFadingBitmapStep*)iStep)->SetTestStepID(_L("GRAPHICS-WSERV-0566"));
       
   237 			TestFadingL();
       
   238 			// Fails or passes the test
       
   239 			if(!iTestResult)
       
   240 				TEST(EFalse);
       
   241 			break;
       
   242 		default:
       
   243             		((CTFadingBitmapStep*)iStep)->SetTestStepID(KNotATestSYMTestCaseIDName);
       
   244 			((CTFadingBitmapStep*)iStep)->CloseTMSGraphicsStep();
       
   245 			TestComplete();
       
   246 		}
       
   247 	((CTFadingBitmapStep*)iStep)->RecordTestResultL();
       
   248 	}
       
   249 
       
   250 __WS_CONSTRUCT_STEP__(FadingBitmap)