diff -r 000000000000 -r bde4ae8d615e os/graphics/windowing/windowserver/test/tauto/TAlphaChannel.H
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/graphics/windowing/windowserver/test/tauto/TAlphaChannel.H	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,218 @@
+
+// Copyright (c) 1996-2009 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:
+// TBITMAP.H
+// 
+//
+
+/**
+ @file
+ @test
+ @internalComponent - Internal Symbian test code
+*/
+
+#ifndef __TALPHACHANNEL_H__
+#define __TALPHACHANNEL_H__
+
+#include "AUTO.H"
+#include "../tlib/testbase.h"
+#include "TGraphicsHarness.h"
+
+class CTAlphaChannel;
+
+/**
+	Introduces a base class for transparent windows (both background and foreground)
+*/
+class CTWinAlpha : public CTWin
+	{
+public:
+	void Draw(); //we have to overridden it to avoid panic in a based class
+public:
+	TInt iState;
+	};
+
+enum {ETransparencyFactor, ETransparencyAlpha, ENonTransparentAlpha};
+
+/**
+	Introduces a foreground transparent windows.
+	In order to set any instance of class as transparent it has to be created with 
+	ETransparencyAlpha parameter
+*/
+class CTWinAlphaForeground : public CTWin
+	{
+public:
+	static CTWinAlphaForeground* NewL(CTAlphaChannel& aTest, TPoint aPos, TSize aSize, 
+		CTWinBase* aParent, CWindowGc& aGc, TDisplayMode* aMode, TRgb aCol, TInt aTransparencyType = ENonTransparentAlpha);
+	~CTWinAlphaForeground();
+		
+private:
+	CTWinAlphaForeground(CTAlphaChannel& aTest);
+	
+public:
+	void Draw();
+	void SetBackgroundColor(TRgb aColor);
+	void SetDisplayMode(TDisplayMode aDisplayMode);
+	void StartAnimationL();
+	void CreateBackedWindowL();
+	inline void SetDrawOpaque(TBool aDrawOpaque = ETrue)
+		{
+		iDrawOpaque = aDrawOpaque;
+		}
+		
+protected:
+	void DrawTable(CBitmapContext& aGc) const;
+	void DrawPrimitivesInCell(CBitmapContext& aGc, const TRect& aRect, 
+								CFbsBitmap* aBitmap64K, CFbsBitmap* aBitmap16MA);
+	void DrawTextInCell(CBitmapContext& aGc, const TRect& aRect);
+	void PrepareForDrawingL();
+	void CalculateTableMargin();
+	void SetPoligonLocation(const TPoint &ptOffset);
+	void CreateBackgroundBitmapL(const TDisplayMode& aDispMode);
+	void CleanBackgroundBitmap();
+	
+protected:
+	TInt iRows[4];
+	TInt iCol; // width of the first column
+	CFbsBitmap* iBitmapBackground;
+	CFbsBitmapDevice* iBitmapDeviceBackground;
+	CBitmapContext*  iBitmapContextBackground;
+	TRgb iBackgroundColor;
+	CArrayFix<TPoint>* iPolygon;
+	TBuf<16> iTitle1;
+	TBuf<16> iTitle2;
+	TBool iDrawOpaque; // this value will set to CWindowGc before drawing, should have any effect on drawing with alpha channel
+	
+private:
+	CTAlphaChannel& iTest;
+	};
+
+/** Test base class, which exersices drawing graphics operations with alpha channel */
+class CTAlphaChannel : public CTWsGraphicsBase
+	{
+friend class CTWinAlphaForeground;	
+public:
+	CTAlphaChannel(CTestStep* aStep);
+	~CTAlphaChannel();
+	void ConstructL();
+	void DrawTestWindowsNow(TBool aDrawBackgroundWin = EFalse);
+	
+	void SetWindow64K();
+	void SetOpaqueWindow16MA();
+	void SetTransparentWindow16MA();
+	TInt SetWindow16MAWithMask();
+	TInt SetWindow64KWithMask();
+	CGraphicsContext::TDrawMode GetDrawMode(TInt aIndex) const;
+	TRgb GetBrush(TInt aIndex) const;
+	TRgb GetPen(TInt aIndex) const;
+
+	// test functions
+	void SetDisplayModeConfiguration(TInt aConfig);
+	void SetPositionConfiguration(TInt aConfig);
+	void SetColourConfiguration(TInt aConfig);
+	void DoMoving();
+	void DoMoveBehind();
+	void DoInvisibility();
+	void TestMoving();
+	void TestMovingOverlapping();
+	void TestFading();
+	void TestChangingTransparencyFactor();
+	void TestInvisibility();
+	void TestMoveUnderneath();
+	void TestMoveBehindInvisible();
+	void TestRedrawBehind();
+	void TestAnimationL();
+	void TestBackedWindowL();
+	void TestEffectSetOpaque();
+	void TestChildWindowL();
+	void TestMultipleChildrenL();
+	void TestTransparentMovingUnderOpaqueL();
+	void TestSetOrdinalPosition();
+	
+protected:
+//from 	CTGraphicsStep
+	virtual void RunTestCaseL(TInt aCurTestCase);
+	void CreateForegroundWindowsL(const TSize& aSize, TDisplayMode aMode);
+	void DestroyForegroundWindows();
+	void DrawOffscreenBitmapsL(const TRgb& aPen, const TRgb& aBrush, 
+										CGraphicsContext* aBitmapContext64K, CGraphicsContext* aBitmapContext16MA, 
+										CFbsBitmap* aBitmap64K, CFbsBitmap* aBitmap16MA);
+	void CalculateSizePrimitives(const TSize& aSize);
+protected:
+	TRgb iPenTable;
+	CGraphicsContext::TBrushStyle	iBrushStyle;
+	CGraphicsContext::TPenStyle iPenStyle;
+	TSize iSizeForegroundWindow;
+private:
+	CTWinAlpha*	iBackgroundWindow;
+	CTWinAlphaForeground*	iForegroundWindowBottom;
+	CTWinAlphaForeground*	iForegroundWindowOpaque;
+	CTWinAlphaForeground*	iForegroundWindowSemiTrans;
+	CTWinAlphaForeground*	iForegroundWindowTrans;
+	CTWinAlphaForeground*	iForegroundWindowTop;
+	
+	CArrayPtrFlat<CTWinAlphaForeground> iArrWindow;	
+	
+	
+	CFbsBitmap* iBitmap64K_1;
+	CFbsBitmap* iBitmap16MA_1;
+	CFbsBitmap* iBitmap64K_2;
+	CFbsBitmap* iBitmap16MA_2;
+	CFbsBitmap* iBitmap64K_3;
+	CFbsBitmap* iBitmap16MA_3;
+	CFbsBitmap* iBitmapMask;
+	CFbsBitmap* iBitmapGray256Mask;
+	
+	CFbsBitmapDevice* iBitmapDevice64K_1;
+	CFbsBitmapDevice* iBitmapDevice16MA_1;
+	CFbsBitmapDevice* iBitmapDevice64K_2;
+	CFbsBitmapDevice* iBitmapDevice16MA_2;
+	CFbsBitmapDevice* iBitmapDevice64K_3;
+	CFbsBitmapDevice* iBitmapDevice16MA_3;
+
+	CGraphicsContext* iBitmapContext64K_1;
+	CGraphicsContext* iBitmapContext16MA_1;
+	CGraphicsContext* iBitmapContext64K_2;
+	CGraphicsContext* iBitmapContext16MA_2;
+	CGraphicsContext* iBitmapContext64K_3;
+	CGraphicsContext* iBitmapContext16MA_3;
+
+	TBuf<256> iText;
+	CFont* iFont; // for true type font, needs to exercise anti-aliasing 
+	CFont* iFont1; // title font
+
+	TSize iBitmapSize;
+	TSize iRectangleSize;
+	TSize iEllipseSize ;
+	TSize iTriangleSize ;
+	TInt iFirstCellWidth ;
+	TInt iFirstCellHeight;
+	TBool iDrawText; // if true output text, graphics primitives otherwise
+	TBool iIsFading;
+	TUint8 iBlackFading;
+	TUint8 iWhiteFading;
+	};
+	
+class CTAlphaChannelStep : public CTGraphicsStep
+	{
+public:
+	CTAlphaChannelStep();
+protected:	
+	//from CTGraphicsStep
+	virtual CTGraphicsBase* CreateTestL();
+	};
+
+_LIT(KTAlphaChannelStep,"TAlphaChannel");
+
+
+#endif