photosgallery/viewframework/layouts/src/glxrotationlayout.cpp
author Simon Howkins <simonh@symbian.org>
Mon, 29 Nov 2010 11:47:03 +0000
branchRCL_3
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/*
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* Copyright (c) 2008-2009 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:    Temporary rotation layout
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*
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*/
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#include "glxrotationlayout.h" 
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#include <alf/alfvisual.h>
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#include <alf/alftimedvalue.h>
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#include <alf/alftransformation.h>
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// -----------------------------------------------------------------------------
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// Constructor
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// -----------------------------------------------------------------------------
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EXPORT_C TGlxRotationLayout::TGlxRotationLayout()
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    : iRotation( KGlxRotationNone )
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    {
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    }
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// -----------------------------------------------------------------------------
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// Destructor
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// -----------------------------------------------------------------------------
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EXPORT_C TGlxRotationLayout::~TGlxRotationLayout() 
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    {
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    }
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// -----------------------------------------------------------------------------
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// SetVisualListL
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void TGlxRotationLayout::SetRotation(TReal32 aRotation,
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                                                TInt aTransitionTime)
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    {
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    // just remember the values
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    iRotation = aRotation;
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    iTransitionTime = aTransitionTime;
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    }
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// -----------------------------------------------------------------------------
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// DoSetLayoutValues
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// -----------------------------------------------------------------------------
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void TGlxRotationLayout::DoSetLayoutValues(TGlxLayoutInfo& aInfo)
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    {
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    // get the visual
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    CAlfVisual& visual = aInfo.Visual();
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    TAlfTimedValue value( iRotation, iTransitionTime );
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	// Update the transformation for the rotation
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    CAlfTransformation& tranformation = visual.Transformation();
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    tranformation.LoadIdentity();
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    // rotate the visual
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    tranformation.Rotate( value );
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    }