windowing/windowserver/tcontaindrawer/containdrawer.cpp
author Matt Plumtree <matt.plumtree@nokia.com>
Fri, 06 Aug 2010 17:05:20 +0100
branchNewGraphicsArchitecture
changeset 143 3db46cb3f779
parent 0 5d03bc08d59c
permissions -rw-r--r--
Fix TRANSPARENCY_NONE composition for surfaces narrower than the context. Improve performance of point sample scaling with 8-bit samples, by using fixed point code Allow any non-zero value for the boolean attribute WFC_ELEMENT_SOURCE_FLIP Simplify RemoveElement code
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// Copyright (c) 2007-2009 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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//
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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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#include "containdrawer.h"
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#include "wsgraphicdrawercontext.h"
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#include <s32mem.h>
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#include <s32strm.h>
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const TGraphicDrawerId KChildInterfaceId1={0x1028353A, ETrue};
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const TGraphicDrawerId KChildInterfaceId2={0x1028353C, ETrue};
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// CWsGraphicDrawer	
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CWsContainGraphicDrawer* CWsContainGraphicDrawer::NewL()
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	{
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	return new(ELeave) CWsContainGraphicDrawer;	
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	}
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CWsContainGraphicDrawer::~CWsContainGraphicDrawer()
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	{
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	if (iContext)
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		{
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		iContext->Destroy();
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		iContext = NULL;
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		}
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	}
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void CWsContainGraphicDrawer::ConstructL(MWsGraphicDrawerEnvironment& aEnv, const TGraphicDrawerId& aId, MWsClient& aOwner, const TDesC8& /*aData*/)
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	{
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	BaseConstructL(aEnv, aId, aOwner);
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	iColor = KRgbWhite;
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	if (!(aEnv.Screen(0)->ResolveObjectInterface(KMWsCompositionContext) || aEnv.Screen(0)->ResolveObjectInterface(KMWsScene)))
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		{
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		iContext = CWsGraphicDrawerNonNgaContext::NewL();
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		}
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	else
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		{
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		iContext = CWsGraphicDrawerNgaContext::NewL();
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		}
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	}
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void CWsContainGraphicDrawer::HandleMessage(const TDesC8& aData)
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	{
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	TInt red = aData[0];
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	TInt green = aData[1];
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	TInt blue = aData[2];
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	TRgb color(red, green, blue);
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	DoUpdateColor(color);
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	}
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void CWsContainGraphicDrawer::DoUpdateColor(TRgb aColor)
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	{
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    iColor = aColor;
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    // Invalidate the redrawing
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    Invalidate();
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 	}
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void CWsContainGraphicDrawer::DoDraw(MWsGc& aGc, const TRect& aRect, const TDesC8& aData) const
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	{
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	iContext->DrawEllipse(aGc, aRect, iColor);
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	// invoke another CRPs to draw their artwork
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    TRect rect1 = TRect(TPoint(100,150),TSize(50,50));
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	const CWsGraphicDrawer* child1 = Env().ResolveGraphic(KChildInterfaceId1);
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   	if (child1)
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   		child1->Draw(aGc, rect1, aData);	
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	TRect rect2 = TRect(TPoint(200,150),TSize(50,50));
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   	const CWsGraphicDrawer* child2 = Env().ResolveGraphic(KChildInterfaceId2);
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   	if (child2)
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        child2->Draw(aGc, rect2, aData);		
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	}
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// inherited API to indicate there are contained drawers	
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TBool CWsContainGraphicDrawer::HasAsChild(const TArray<TGraphicDrawerId>& aIds) const
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	{
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	// Two child CRPs
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	const CWsGraphicDrawer* child1 = Env().ResolveGraphic(KChildInterfaceId1);
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   	const CWsGraphicDrawer* child2 = Env().ResolveGraphic(KChildInterfaceId2);
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   	if (child1 && child1->Contains(aIds))
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   		return ETrue;
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   	else if (child2 && child2->Contains(aIds))
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   		return ETrue;
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   	else
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   		return EFalse;
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	}