windowing/windowserver/tauto/TAlphaChannel.H
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 27 May 2010 14:13:51 +0300
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Revision: 201021 Kit: 2010121
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// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// TBITMAP.H
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// 
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//
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/**
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 @file
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 @test
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 @internalComponent - Internal Symbian test code
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*/
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#ifndef __TALPHACHANNEL_H__
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#define __TALPHACHANNEL_H__
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#include "AUTO.H"
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#include "../tlib/testbase.h"
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#include "TGraphicsHarness.h"
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class CTAlphaChannel;
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/**
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	Introduces a base class for transparent windows (both background and foreground)
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*/
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class CTWinAlpha : public CTWin
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	{
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public:
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	void Draw(); //we have to overridden it to avoid panic in a based class
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public:
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	TInt iState;
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	};
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enum {ETransparencyFactor, ETransparencyAlpha, ENonTransparentAlpha};
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/**
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	Introduces a foreground transparent windows.
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	In order to set any instance of class as transparent it has to be created with 
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	ETransparencyAlpha parameter
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*/
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class CTWinAlphaForeground : public CTWin
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	{
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public:
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	static CTWinAlphaForeground* NewL(CTAlphaChannel& aTest, TPoint aPos, TSize aSize, 
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		CTWinBase* aParent, CWindowGc& aGc, TDisplayMode* aMode, TRgb aCol, TInt aTransparencyType = ENonTransparentAlpha);
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	~CTWinAlphaForeground();
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private:
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	CTWinAlphaForeground(CTAlphaChannel& aTest);
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public:
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	void Draw();
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	void SetBackgroundColor(TRgb aColor);
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	void SetDisplayMode(TDisplayMode aDisplayMode);
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	void StartAnimationL();
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	void CreateBackedWindowL();
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	inline void SetDrawOpaque(TBool aDrawOpaque = ETrue)
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		{
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		iDrawOpaque = aDrawOpaque;
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		}
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protected:
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	void DrawTable(CBitmapContext& aGc) const;
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	void DrawPrimitivesInCell(CBitmapContext& aGc, const TRect& aRect, 
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								CFbsBitmap* aBitmap64K, CFbsBitmap* aBitmap16MA);
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	void DrawTextInCell(CBitmapContext& aGc, const TRect& aRect);
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	void PrepareForDrawingL();
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	void CalculateTableMargin();
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	void SetPoligonLocation(const TPoint &ptOffset);
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	void CreateBackgroundBitmapL(const TDisplayMode& aDispMode);
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	void CleanBackgroundBitmap();
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protected:
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	TInt iRows[4];
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	TInt iCol; // width of the first column
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	CFbsBitmap* iBitmapBackground;
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	CFbsBitmapDevice* iBitmapDeviceBackground;
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	CBitmapContext*  iBitmapContextBackground;
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	TRgb iBackgroundColor;
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	CArrayFix<TPoint>* iPolygon;
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	TBuf<16> iTitle1;
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	TBuf<16> iTitle2;
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	TBool iDrawOpaque; // this value will set to CWindowGc before drawing, should have any effect on drawing with alpha channel
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private:
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	CTAlphaChannel& iTest;
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	};
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/** Test base class, which exersices drawing graphics operations with alpha channel */
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class CTAlphaChannel : public CTWsGraphicsBase
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	{
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friend class CTWinAlphaForeground;	
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public:
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	CTAlphaChannel(CTestStep* aStep);
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	~CTAlphaChannel();
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	void ConstructL();
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	void DrawTestWindowsNow(TBool aDrawBackgroundWin = EFalse);
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	void SetWindow64K();
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	void SetOpaqueWindow16MA();
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	void SetTransparentWindow16MA();
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	TInt SetWindow16MAWithMask();
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	TInt SetWindow64KWithMask();
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	CGraphicsContext::TDrawMode GetDrawMode(TInt aIndex) const;
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	TRgb GetBrush(TInt aIndex) const;
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	TRgb GetPen(TInt aIndex) const;
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	// test functions
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	void SetDisplayModeConfiguration(TInt aConfig);
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	void SetPositionConfiguration(TInt aConfig);
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	void SetColourConfiguration(TInt aConfig);
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	void DoMoving();
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	void DoMoveBehind();
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	void DoInvisibility();
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	void TestMoving();
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	void TestMovingOverlapping();
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	void TestFading();
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	void TestChangingTransparencyFactor();
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	void TestInvisibility();
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	void TestMoveUnderneath();
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	void TestMoveBehindInvisible();
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	void TestRedrawBehind();
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	void TestAnimationL();
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	void TestBackedWindowL();
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	void TestEffectSetOpaque();
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	void TestChildWindowL();
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	void TestMultipleChildrenL();
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	void TestTransparentMovingUnderOpaqueL();
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	void TestSetOrdinalPosition();
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protected:
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//from 	CTGraphicsStep
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	virtual void RunTestCaseL(TInt aCurTestCase);
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	void CreateForegroundWindowsL(const TSize& aSize, TDisplayMode aMode);
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	void DestroyForegroundWindows();
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	void DrawOffscreenBitmapsL(const TRgb& aPen, const TRgb& aBrush, 
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										CGraphicsContext* aBitmapContext64K, CGraphicsContext* aBitmapContext16MA, 
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										CFbsBitmap* aBitmap64K, CFbsBitmap* aBitmap16MA);
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	void CalculateSizePrimitives(const TSize& aSize);
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protected:
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	TRgb iPenTable;
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	CGraphicsContext::TBrushStyle	iBrushStyle;
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	CGraphicsContext::TPenStyle iPenStyle;
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	TSize iSizeForegroundWindow;
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private:
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	CTWinAlpha*	iBackgroundWindow;
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	CTWinAlphaForeground*	iForegroundWindowBottom;
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	CTWinAlphaForeground*	iForegroundWindowOpaque;
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	CTWinAlphaForeground*	iForegroundWindowSemiTrans;
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	CTWinAlphaForeground*	iForegroundWindowTrans;
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	CTWinAlphaForeground*	iForegroundWindowTop;
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	CArrayPtrFlat<CTWinAlphaForeground> iArrWindow;	
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	CFbsBitmap* iBitmap64K_1;
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	CFbsBitmap* iBitmap16MA_1;
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	CFbsBitmap* iBitmap64K_2;
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	CFbsBitmap* iBitmap16MA_2;
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	CFbsBitmap* iBitmap64K_3;
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	CFbsBitmap* iBitmap16MA_3;
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	CFbsBitmap* iBitmapMask;
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	CFbsBitmap* iBitmapGray256Mask;
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	CFbsBitmapDevice* iBitmapDevice64K_1;
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	CFbsBitmapDevice* iBitmapDevice16MA_1;
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	CFbsBitmapDevice* iBitmapDevice64K_2;
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	CFbsBitmapDevice* iBitmapDevice16MA_2;
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	CFbsBitmapDevice* iBitmapDevice64K_3;
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	CFbsBitmapDevice* iBitmapDevice16MA_3;
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	CGraphicsContext* iBitmapContext64K_1;
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	CGraphicsContext* iBitmapContext16MA_1;
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	CGraphicsContext* iBitmapContext64K_2;
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	CGraphicsContext* iBitmapContext16MA_2;
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	CGraphicsContext* iBitmapContext64K_3;
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	CGraphicsContext* iBitmapContext16MA_3;
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	TBuf<256> iText;
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	CFont* iFont; // for true type font, needs to exercise anti-aliasing 
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	CFont* iFont1; // title font
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	TSize iBitmapSize;
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	TSize iRectangleSize;
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	TSize iEllipseSize ;
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	TSize iTriangleSize ;
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	TInt iFirstCellWidth ;
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	TInt iFirstCellHeight;
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	TBool iDrawText; // if true output text, graphics primitives otherwise
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	TBool iIsFading;
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	TUint8 iBlackFading;
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	TUint8 iWhiteFading;
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	};
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class CTAlphaChannelStep : public CTGraphicsStep
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	{
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public:
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	CTAlphaChannelStep();
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protected:	
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	//from CTGraphicsStep
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	virtual CTGraphicsBase* CreateTestL();
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	};
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_LIT(KTAlphaChannelStep,"TAlphaChannel");
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#endif