imageeditorengine/JpegScaler/inc/JpegScalerImpl.h
author Mikael Laine <mikael.laine@ixonos.com>
Fri, 29 Jan 2010 13:53:17 +0200
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/*
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* Copyright (c) 2010 Ixonos Plc.
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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 the "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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* Ixonos Plc
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*
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* Description:  
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*
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*/
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#ifndef JPEGSCALERIMPL_H
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#define JPEGSCALERIMPL_H
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// INCLUDES
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#include <f32file.h>
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#include <e32base.h>
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#include "CJpegScale.h"
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// debug log writer
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//#include "imageeditordebugutils.h"
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// CONSTANTS
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// FORWARD DECLARATIONS
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/*	CLASS: 	CJpegScalerImpl
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*
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*	CJpegScalerImpl
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*	Internal representation of CJpegScaler
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*
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*/
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class CJpegScalerImpl : public CAsyncOneShot//, public MJpegScaleCallBack
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{
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public:
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/** @name Methods:*/
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//@{
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	/** NewL factory method, pops cleanup stack
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	*
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	*	@param - aFsSession
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	*	@return pointer to created CJpegScalerImpl object
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	*/
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	static CJpegScalerImpl * NewL (RFs& aFsSession);
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	/** Destructor
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	*
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	*	@param -
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	*	@return -
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	*/
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	~CJpegScalerImpl ();
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    /** RunL
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	*
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	*	@param -
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	*	@return -
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	*/
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	virtual void RunL();
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    /** Scale
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	*
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	*	@param -
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	*	@return -
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	*/
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    void Scale(TRequestStatus* aRequestStatus, const TFileName& aSrcFileName, const TFileName& aTrgFileName, const TSize& aDestinationSize);
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private:
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	/** Default constructor
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	*
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	*	@param - aFsSession
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	*	@return -
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	*/
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	CJpegScalerImpl (RFs& aFsSession);
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	/** Second phase constructor, may leave
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	*
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	*	@param -
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	*	@return -
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	*/
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	void ConstructL ();
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	/** Callback function for CJpegScale
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	*
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	*	@param -
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	*	@return -
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	*/
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    //void JpegStatusCallBack( TInt aPercentReady );
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private:
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    /// File Server session handle
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    RFs& 						iFsSession;
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    /// Source and target files
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    TFileName					iSourceFileName;
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    TFileName					iTargetFileName;
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    /// Scaler
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    CJpegScale*                 iScale;
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    /// Caller request status
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    TRequestStatus*             iCallerReqStatus;
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#if defined (LOG_TIMING)
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    TTime                       iStartTime;
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    TTime                       iSavingStartTime;
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    TTime                       iFinishTime;
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#endif
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};
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#endif
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// End of File