1 // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // SCALING.CPP

    15 // 

    16 //

    17 

    18 #include <mdaimageconverter.h>

    19 #include "MdaImageConverterPriv.h"

    20 

    21 //

    22 // CMdaBitmapScalerPriv for Image Utility

    23 //

    24 

    25 CMdaBitmapScalerPriv* CMdaBitmapScalerPriv::NewL()

    26 	{

    27 	CMdaBitmapScalerPriv* self = new(ELeave) CMdaBitmapScalerPriv;

    28 	CleanupStack::PushL(self);

    29 	self->ConstructL();

    30 	CleanupStack::Pop(); // self

    31 	return self;

    32 	}

    33 

    34 CMdaBitmapScalerPriv::CMdaBitmapScalerPriv():

    35 	CActive(CActive::EPriorityStandard)

    36 	{

    37 	CActiveScheduler::Add(this);

    38 	}

    39 

    40 void CMdaBitmapScalerPriv::ConstructL()

    41 	{

    42 	iBitmapScaler = CBitmapScaler::NewL();

    43 	}

    44 

    45 CMdaBitmapScalerPriv::~CMdaBitmapScalerPriv()

    46 	{

    47 	Cancel();

    48 	delete iBitmapScaler;

    49 	}

    50 

    51 void CMdaBitmapScalerPriv::ScaleL(MMdaImageUtilObserver& aObserver,CFbsBitmap& aSrcBitmap,CFbsBitmap& aTgtBitmap,TBool aMaintainAspectRatio)

    52 	{

    53 	CancelScaling();

    54 

    55 	iObserver = &aObserver;

    56 	iBitmapScaler->Scale(&iStatus, aSrcBitmap, aTgtBitmap, aMaintainAspectRatio);

    57 	SetActive();

    58 	}

    59 

    60 void CMdaBitmapScalerPriv::ScaleL(MMdaImageUtilObserver& aObserver,CFbsBitmap& aBitmap,TSize aDestSize,TBool aMaintainAspectRatio)

    61 	{

    62 	// Cancel any scaling operation currently in progress

    63 	CancelScaling();

    64 

    65 	iObserver = &aObserver;

    66 	iBitmapScaler->Scale(&iStatus, aBitmap, aDestSize, aMaintainAspectRatio);

    67 	SetActive();

    68 	}

    69 

    70 void CMdaBitmapScalerPriv::CancelScaling()

    71 	{	

    72 	Cancel();

    73 	}

    74 

    75 void CMdaBitmapScalerPriv::RunL()

    76 	{

    77 	ASSERT(iObserver);

    78 	iObserver->MiuoConvertComplete(iStatus.Int());

    79 	}

    80 

    81 void CMdaBitmapScalerPriv::DoCancel()

    82 	{

    83 	iBitmapScaler->Cancel();

    84 	}