author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:16:53 +0100 | |
branch | RCL_3 |
changeset 52 | 31fccae4f8a7 |
parent 51 | e5af45d51884 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008 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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|
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#include "HuiFxFilterLayer.h" |
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#include "HuiFxFilter.h" |
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CHuiFxFilterLayer* CHuiFxFilterLayer::NewL(CHuiFxFilter* aFilter) |
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{ |
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CHuiFxFilterLayer* e = new (ELeave) CHuiFxFilterLayer(); |
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CleanupStack::PushL(e); |
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e->ConstructL(aFilter); |
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CleanupStack::Pop(e); |
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return e; |
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} |
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CHuiFxFilterLayer::CHuiFxFilterLayer() |
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{ |
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#ifdef HUIFX_TRACE |
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RDebug::Print(_L("CHuiFxFilterLayer::CHuiFxFilterLayer - 0x%x "), this); |
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#endif |
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} |
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CHuiFxFilterLayer::~CHuiFxFilterLayer() |
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{ |
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delete iFilter; |
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iFilter = NULL; |
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#ifdef HUIFX_TRACE |
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RDebug::Print(_L("CHuiFxFilterLayer::~CHuiFxFilterLayer - 0x%x "), this); |
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#endif |
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} |
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EXPORT_C CHuiFxFilterLayer *CHuiFxFilterLayer::CloneL() const |
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{ |
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CHuiFxFilter *filter = iFilter->CloneL(); |
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CHuiFxFilterLayer *layer = CHuiFxFilterLayer::NewL(filter); |
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layer->CHuiFxLayer::CopyFromL(this); |
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return layer; |
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} |
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EXPORT_C void CHuiFxFilterLayer::SetExtRect( TRect * /*aExtRect*/ ) |
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{ |
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// iFilter does not need these |
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} |
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EXPORT_C void CHuiFxFilterLayer::SetVisual( CHuiVisual * /*aVisual*/ ) |
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{ |
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// iFilter does not need these |
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} |
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EXPORT_C void CHuiFxFilterLayer::SetVisual( MHuiEffectable * /*aVisual*/ ) |
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{ |
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// iFilter does not need these |
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} |
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EXPORT_C void CHuiFxFilterLayer::ConstructL(CHuiFxFilter* aFilter) |
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{ |
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CHuiFxLayer::ConstructL( ELayerTypeFilter ); |
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iFilter = aFilter; |
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} |
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EXPORT_C TBool CHuiFxFilterLayer::PrepareDrawL(CHuiFxEngine& aEngine) |
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{ |
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return iFilter->PrepareDrawL(aEngine); |
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} |
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EXPORT_C void CHuiFxFilterLayer::ReleaseAllCachedRenderTargets(CHuiFxEngine& /*aEngine*/) |
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// currently filter effects do not permanently reserve their render targets, only for frame drawing. |
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} |
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EXPORT_C TBool CHuiFxFilterLayer::Changed() const |
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{ |
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#ifdef HUIFX_TRACE |
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RDebug::Print(_L("CHuiFxFilterLayer::Changed - 0x%x %d"), this,iFilter->Changed() ); |
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#endif |
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return iFilter->Changed(); |
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} |
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EXPORT_C void CHuiFxFilterLayer::AdvanceTime(TReal32 aElapsedTime) |
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{ |
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iFilter->AdvanceTime(aElapsedTime); |
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} |
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EXPORT_C void CHuiFxFilterLayer::Draw(CHuiFxEngine& aEngine, CHuiGc& aGc, CHuiFxRenderbuffer& aTarget, CHuiFxRenderbuffer& aSource, TBool aHasSurface) |
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{ |
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#ifdef HUIFX_TRACE |
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RDebug::Print(_L("CHuiFxFilterLayer::Draw - 0x%x "), this); |
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#endif |
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// TODO: fast path |
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CHuiFxRenderbuffer* backBuffer = aEngine.AcquireRenderbuffer(TargetRect().Size()); |
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if (!backBuffer) |
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{ |
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return; |
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} |
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// Render the filter |
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TRect targetRect(TPoint(0, 0), TargetRect().Size()); |
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TInt alpha = 0xff; // TODO |
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34
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iFilter->Draw(aEngine, aGc, *backBuffer, aSource, targetRect, SourceRect(), aHasSurface); |
0
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// Composite the result |
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TRect compositionSourceRect(targetRect); |
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TRect compositionTargetRect(TargetRect()); |
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compositionTargetRect.Move(-aTarget.Position()); |
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aEngine.Composite(aTarget, *backBuffer, compositionTargetRect, compositionSourceRect, BlendingMode(), alpha); |
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aEngine.ReleaseRenderbuffer(backBuffer); |
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} |
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EXPORT_C TBool CHuiFxFilterLayer::Margin(TMargins &m) |
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{ |
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TMargins s = iFilter->Margin2(); |
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m.iTop = s.iTop; |
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m.iBottom = s.iBottom; |
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m.iLeft = s.iLeft; |
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m.iRight = s.iRight; |
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return ETrue; |
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} |
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|
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EXPORT_C CHuiFxFilter& CHuiFxFilterLayer::Filter() const |
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{ |
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return *iFilter; |
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} |
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TBool CHuiFxFilterLayer::IsFiltered() const |
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{ |
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return ETrue; |
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} |