camappengine/Engine/Src/CaeStillQualityLevels.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:51:24 +0200
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/*
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* Copyright (c) 2002 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:  Camera Application Engine still image quality level and container
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*
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*/
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// INCLUDE FILES
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#include "CaeStillQualityLevels.h"
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#include "CaeEngineImp.h"       // For LOGTEXT
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// CONSTANTS
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const TInt KQualityLevelArrayGranularity = 3;
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CCaeStillQualityLevelsCont::CCaeStillQualityLevelsCont
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// Constructor.
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// -----------------------------------------------------------------------------
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//
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CCaeStillQualityLevelsCont::CCaeStillQualityLevelsCont()
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: iQltyLevelCountSdKey( KCaeStillQltyLevelCount )
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    {
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    }
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// -----------------------------------------------------------------------------
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// CCaeStillQualityLevelsCont::~CCaeStillQualityLevelsCont
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// Destructor.
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// -----------------------------------------------------------------------------
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//
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CCaeStillQualityLevelsCont::~CCaeStillQualityLevelsCont()
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    {
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    delete iQualityLevels;
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    }
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// -----------------------------------------------------------------------------
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// CCaeStillQualityLevelsCont::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CCaeStillQualityLevelsCont::ConstructL()
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    {
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    LOGTEXT( _L( "Cae: CCaeStillQualityLevelsCont::ConstructL() entering" ) );
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    iQualityLevels = new( ELeave ) CArrayFixFlat<CStillQualityLevel>( KQualityLevelArrayGranularity );
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    LOGTEXT( _L( "Cae: CCaeStillQualityLevelsCont::ConstructL() returning" ) );
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    }
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// -----------------------------------------------------------------------------
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// CCaeStillQualityLevelsCont::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CCaeStillQualityLevelsCont* CCaeStillQualityLevelsCont::NewL()
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    {
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    LOGTEXT( _L( "Cae: CCaeStillQualityLevelsCont::NewL() entering" ) );
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    CCaeStillQualityLevelsCont* self = new( ELeave ) CCaeStillQualityLevelsCont;
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    CleanupStack::Pop( self );
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    LOGTEXT( _L( "Cae: CCaeStillQualityLevelsCont::NewL() returning" ) );
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CCaeStillQualityLevelsCont::InitDefaultsL
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// Sets hardcoded default parameters for default still quality levels that 
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// are created.
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// -----------------------------------------------------------------------------
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//
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TInt CCaeStillQualityLevelsCont::InitDefaultsL()
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    {
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    LOGTEXT( _L( "Cae: CCaeStillQualityLevelsCont::InitDefaultsL() entering" ) );
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    // Delete all elements from the array and 
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    // free the memory allocated to the array buffer.
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    iQualityLevels->Reset();
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    // Initialize hardcoded default quality levels.
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    TSize size;
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    CStillQualityLevel* stillQualityLevel = new( ELeave ) CStillQualityLevel;
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    CleanupStack::PushL( stillQualityLevel );
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    // Level 0:
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    size.SetSize( KCaeImgWidthVGA, KCaeImgHeightVGA );
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    stillQualityLevel->iFrameSize = size;
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    stillQualityLevel->iOutputFormat = CCamera::EFormatJpeg;
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    stillQualityLevel->iCompressionQuality = 90; // From range [0,100] [worst,best]
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    stillQualityLevel->iByteSize = 90000; // Estimate only for a typical size in bytes.
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    stillQualityLevel->iKey = KCaeStillQltyLevel0;
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    iQualityLevels->AppendL( *stillQualityLevel );
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   122
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    // Level 1:
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    size.SetSize( KCaeImgWidthVGA, KCaeImgHeightVGA );
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    stillQualityLevel->iFrameSize = size;
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    stillQualityLevel->iOutputFormat = CCamera::EFormatJpeg;
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    stillQualityLevel->iCompressionQuality = 50; // From range [0,100] [worst,best]
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    stillQualityLevel->iByteSize = 35000; // Estimate only for a typical size in bytes.
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    stillQualityLevel->iKey = KCaeStillQltyLevel1;
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    iQualityLevels->AppendL( *stillQualityLevel );
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    // Level 2:
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    size.SetSize( KCaeImgWidthQQVGA, KCaeImgHeightQQVGA );
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    stillQualityLevel->iFrameSize = size;
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    stillQualityLevel->iOutputFormat = CCamera::EFormatJpeg;
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    stillQualityLevel->iCompressionQuality = 90; // From range [0,100] [worst,best]
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    stillQualityLevel->iByteSize = 12000; // Estimate only for a typical size in bytes.
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    stillQualityLevel->iKey = KCaeStillQltyLevel2;
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    iQualityLevels->AppendL( *stillQualityLevel );
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   140
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    CleanupStack::PopAndDestroy( stillQualityLevel );
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    LOGTEXT( _L( "Cae: CCaeStillQualityLevelsCont::InitDefaultsL() returning" ) );
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    return iQualityLevels->Count();
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    }
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   148
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// -----------------------------------------------------------------------------
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// CCaeStillQualityLevelsCont::Count
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// -----------------------------------------------------------------------------
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//
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TInt CCaeStillQualityLevelsCont::Count() const
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    {
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    return iQualityLevels->Count();
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    }
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// -----------------------------------------------------------------------------
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// CCaeStillQualityLevelsCont::At
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// -----------------------------------------------------------------------------
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//
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CStillQualityLevel& CCaeStillQualityLevelsCont::At( 
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    TInt aIndex ) const 
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    {
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    return iQualityLevels->At( aIndex );
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    }
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   168
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   169
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// -----------------------------------------------------------------------------
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// CCaeStillQualityLevelsCont::Key
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// -----------------------------------------------------------------------------
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//
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const TDes& CCaeStillQualityLevelsCont::Key( 
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    TInt aIndex ) const
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    {
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    return iQualityLevels->At( aIndex ).iKey;
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    }
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// -----------------------------------------------------------------------------
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// CCaeStillQualityLevelsCont::ResizeL
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// -----------------------------------------------------------------------------
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//
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void CCaeStillQualityLevelsCont::ResizeL( 
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    TInt aQualityLevelCount )
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    {
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    iQualityLevels->ResizeL( aQualityLevelCount );
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    }
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   191
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// -----------------------------------------------------------------------------
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// CCaeStillQualityLevelsCont::QltyLevelCountSdKey
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// -----------------------------------------------------------------------------
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//
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const TDesC& CCaeStillQualityLevelsCont::QltyLevelCountSdKey() const
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    {
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    return iQltyLevelCountSdKey;
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    }
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   201
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/////////////////////////////
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// CStillQualityLevel methods 
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/////////////////////////////
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// -----------------------------------------------------------------------------
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// CStillQualityLevel::CStillQualityLevel
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// Default constructor.
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// -----------------------------------------------------------------------------
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//
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CStillQualityLevel::CStillQualityLevel()
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:CQualityLevel()
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    {
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    }
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   217
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// -----------------------------------------------------------------------------
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// CStillQualityLevel::~CStillQualityLevel
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// Destructor.
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// -----------------------------------------------------------------------------
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//
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CStillQualityLevel::~CStillQualityLevel()
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    {
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    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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9b3e960ffc8a Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   228
//  End of File