imagehandlingutilities/thumbnailmanager/thumbnailserver/src/thumbnailscaletask.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 15 Mar 2010 12:41:55 +0200
branchRCL_3
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permissions -rw-r--r--
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/*
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* Copyright (c) 2006-2007 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:  Task for scaling thumbnails.
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 *
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*/
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#include <e32base.h>
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#include <fbs.h>
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#include <e32math.h>
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#include <bitdev.h>
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#include <bitstd.h>
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#include "thumbnailscaletask.h"
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#include "thumbnailprovider.h"
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#include "thumbnailserver.h"
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#include "thumbnailmanagerconstants.h"
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#include "thumbnaillog.h"
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#include "thumbnailpanic.h"
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// CThumbnailScaleTask::NewL()
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// Two-phased constructor.
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// ---------------------------------------------------------------------------
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//
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CThumbnailScaleTask* CThumbnailScaleTask::NewL( CThumbnailTaskProcessor&
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    aProcessor, CThumbnailServer& aServer, const TDesC& aFilename, CFbsBitmap*
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    aBitmap, const TSize& aOriginalSize, const TSize& aTargetSize, TBool aCrop,
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    TDisplayMode aDisplayMode, TInt aPriority, const TDesC& aTargetUri,
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    const TThumbnailSize aThumbnailSize, const TInt64 aModified,
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    TBool aBitmapToPool, const TBool aEXIF, const TThumbnailServerRequestId aRequestId)
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    {
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    // We take ownership of aBitmap
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    CleanupStack::PushL( aBitmap );
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    CThumbnailScaleTask* self = new( ELeave )CThumbnailScaleTask( aProcessor,
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        aServer, aFilename, aBitmap, aOriginalSize, aTargetSize, aCrop,
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        aDisplayMode, aPriority, aTargetUri, aThumbnailSize, aModified,
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        aBitmapToPool, aEXIF, aRequestId);
0
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    CleanupStack::Pop( aBitmap );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    CleanupStack::Pop( self );
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// CThumbnailScaleTask::CThumbnailScaleTask()
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// C++ default constructor can NOT contain any code, that might leave.
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// ---------------------------------------------------------------------------
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//
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CThumbnailScaleTask::CThumbnailScaleTask( CThumbnailTaskProcessor& aProcessor,
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    CThumbnailServer& aServer, const TDesC& aFilename, CFbsBitmap* aBitmap,
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    const TSize& aOriginalSize, const TSize& aTargetSize, TBool aCrop,
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    TDisplayMode aDisplayMode, TInt aPriority, const TDesC& aTargetUri,
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    const TThumbnailSize aThumbnailSize, const TInt64 aModified,
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    TBool aBitmapToPool, const TBool aEXIF, const TThumbnailServerRequestId aRequestId):
0
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    CThumbnailTask( aProcessor, aPriority ), iServer( aServer ), iOwnBitmap( aBitmap ),
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    iOriginalSize( aOriginalSize ), iTargetSize(aTargetSize), iTargetSizeTN( aTargetSize ), iCrop( aCrop ),
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    iDisplayMode( aDisplayMode ), iFilename( aFilename ), iTargetUri( aTargetUri ),
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    iThumbnailSize(aThumbnailSize), iModified(aModified),
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    iBitmapToPool(aBitmapToPool), iEXIF(aEXIF)
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    {
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    TN_DEBUG2( "CThumbnailScaleTask(0x%08x)::CThumbnailScaleTask()", this );
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    iRequestId = aRequestId;
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    }
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// ---------------------------------------------------------------------------
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// CThumbnailScaleTask::ConstructL()
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// Symbian 2nd phase constructor can leave.
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// ---------------------------------------------------------------------------
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//
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void CThumbnailScaleTask::ConstructL()
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    {
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    iServer.AddBitmapToPoolL( iRequestId.iSession, iOwnBitmap, iRequestId );
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    // Successfully added bitmap to pool, we are no longer responsible for
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    // deleting it directly.
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    iBitmap = iOwnBitmap;
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    iOwnBitmap = NULL;
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    iBitmapInPool = ETrue;
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    iScaledBitmap = NULL;
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    iScaledBitmapHandle = 0;
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    }
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// ---------------------------------------------------------------------------
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// CThumbnailScaleTask::~CThumbnailScaleTask()
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// Destructor.
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// ---------------------------------------------------------------------------
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//
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CThumbnailScaleTask::~CThumbnailScaleTask()
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    {
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    iServer.CancelScale();
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    if ( iBitmapInPool && iBitmap )
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        {
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        TN_DEBUG1("CThumbnailScaleTask()::~CThumbnailScaleTask() delete original bitmap from pool");
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        // Original bitmap is owned by server, decrease reference count
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        iServer.DeleteBitmapFromPool( iBitmap->Handle());
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        }
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    if ( iScaledBitmapHandle )
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        {
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        TN_DEBUG1("CThumbnailScaleTask()::~CThumbnailScaleTask() delete scaled bitmap from pool");
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        // Scaled bitmap is owned by server, decrease reference count
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        iServer.DeleteBitmapFromPool( iScaledBitmapHandle );
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        }
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    // Scaled bitmap is owned by us, delete now
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    delete iScaledBitmap;
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    }
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// ---------------------------------------------------------------------------
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// CThumbnailScaleTask::StartL()
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// ---------------------------------------------------------------------------
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//
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void CThumbnailScaleTask::StartL()
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    {
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    TN_DEBUG2( "CThumbnailScaleTask(0x%08x)::StartL()", this );
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    CThumbnailTask::StartL();
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    if ( !iCrop )
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        {
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        // target size at max, keep aspect ratio
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        CalculateTargetSize();
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        }
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    else
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        {
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        // exact target size, crop excess
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        CalculateCropRectangle();
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        }
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    TN_DEBUG2( "CThumbnailScaleTask(0x%08x)::StartL() - sizes calculated", this );
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0
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#ifdef _DEBUG
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    aStart.UniversalTime();
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#endif
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    delete iScaledBitmap;
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    iScaledBitmap = NULL;
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    iScaledBitmap = new( ELeave )CFbsBitmap();
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    TSize bitmapSize = iBitmap->SizeInPixels();
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    if(bitmapSize.iHeight == iTargetSize.iHeight && bitmapSize.iWidth == iTargetSize.iWidth)
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        {
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        TN_DEBUG2( "CThumbnailScaleTask(0x%08x)::StartL() - no need for scaling", this);
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0
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        // copy bitmap 1:1
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        User::LeaveIfError( iScaledBitmap->Create( bitmapSize, iBitmap->DisplayMode() ));
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        CFbsBitmapDevice* device = CFbsBitmapDevice::NewL(iScaledBitmap);
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        CleanupStack::PushL(device);
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        CFbsBitGc* gc = NULL;
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        User::LeaveIfError(device->CreateContext(gc));
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        CleanupStack::PushL(gc);
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        gc->BitBlt(TPoint(0, 0), iBitmap);
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        CleanupStack::PopAndDestroy(2, device); // gc
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        TRAPD( err, StoreAndCompleteL());
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        Complete( err );
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        ResetMessageData();
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        }
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    else
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        {
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        TN_DEBUG2( "CThumbnailScaleTask(0x%08x)::StartL() - scaling", this);
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0
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        User::LeaveIfError( iScaledBitmap->Create( iTargetSize, iBitmap->DisplayMode() ));
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        iServer.ScaleBitmapL( iStatus, * iBitmap, * iScaledBitmap, iCropRectangle );
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        SetActive();
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        }  
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   193
    
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    TN_DEBUG2( "CThumbnailScaleTask(0x%08x)::StartL() end", this );
0
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    }
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// ---------------------------------------------------------------------------
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// CThumbnailScaleTask::RunL()
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// ---------------------------------------------------------------------------
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//
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void CThumbnailScaleTask::RunL()
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    {
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    TInt err = iStatus.Int();
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    TN_DEBUG3( "CThumbnailScaleTask(0x%08x)::RunL() err=%d)", this, err );
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    #ifdef _DEBUG
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    aStop.UniversalTime();
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    TN_DEBUG2( "CThumbnailScaleTask::RunL() scale took %d ms", (TInt)aStop.MicroSecondsFrom(aStart).Int64()/1000);
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    #endif
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    if ( !err )
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        {
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        TRAP( err, StoreAndCompleteL());
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        }
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parents:
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   217
    
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    Complete( err );
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    ResetMessageData();
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    }
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// ---------------------------------------------------------------------------
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// CThumbnailScaleTask::DoCancel()
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// ---------------------------------------------------------------------------
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//
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void CThumbnailScaleTask::DoCancel()
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    {
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    TN_DEBUG2( "CThumbnailScaleTask(0x%08x)::DoCancel()", this );
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    iServer.CancelScale();
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   231
    }
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// ---------------------------------------------------------------------------
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// Calculates target size to be used for the thumbnail
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// ---------------------------------------------------------------------------
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//
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void CThumbnailScaleTask::CalculateTargetSize()
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    {
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    __ASSERT_DEBUG( iOriginalSize.iHeight && iTargetSize.iHeight,
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        ThumbnailPanic( EThumbnailBadSize ));
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    if ( (iThumbnailSize == EFullScreenThumbnailSize ||
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          iThumbnailSize == EImageFullScreenThumbnailSize ||
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          iThumbnailSize == EVideoFullScreenThumbnailSize ||
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          iThumbnailSize == EAudioFullScreenThumbnailSize) &&
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          iOriginalSize.iHeight < iTargetSize.iHeight && 
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          iOriginalSize.iWidth < iTargetSize.iWidth )
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        {
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        // do not upscale fullscreen thumbs
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        iTargetSize = iOriginalSize;
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        }
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    else if ( iOriginalSize.iHeight && iTargetSize.iHeight )
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        {
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        const TReal32 srcAspect = static_cast < TReal32 > (
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            iOriginalSize.iWidth ) / iOriginalSize.iHeight;
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        // scale to maximum size within target size 
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        if ( (iTargetSize.iHeight * srcAspect) <= iTargetSize.iWidth )
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            {
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            TReal trg = 0;
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            TReal src( iTargetSize.iHeight * srcAspect );
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            Math::Round( trg, src, 0 );
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            iTargetSize.SetSize( trg, iTargetSize.iHeight );
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            }
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        else
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            {
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            TReal trg;
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            TReal src( iTargetSize.iWidth / srcAspect );
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            Math::Round( trg, src, 0 );
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            iTargetSize.SetSize( iTargetSize.iWidth, trg );
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            }
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        }
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    else
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        {
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        iTargetSize.SetSize( 0, 0 );
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        }
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    iCropRectangle.SetRect( TPoint(), iBitmap->SizeInPixels());
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    }
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// ---------------------------------------------------------------------------
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// Calculates target size to be used for the thumbnail
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// ---------------------------------------------------------------------------
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//
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void CThumbnailScaleTask::CalculateCropRectangle()
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    {
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    const TSize srcSize = iBitmap->SizeInPixels();
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    __ASSERT_DEBUG( srcSize.iHeight && iTargetSize.iHeight, ThumbnailPanic(
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        EThumbnailBadSize ));
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    if ( srcSize.iHeight && iTargetSize.iHeight )
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        {
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        const TReal32 srcAspect = static_cast < TReal32 > ( srcSize.iWidth ) /
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            srcSize.iHeight;
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        const TReal32 reqAspect = static_cast < TReal32 > ( iTargetSize.iWidth )
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            / iTargetSize.iHeight;
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        if ( (iTargetSize.iHeight * srcAspect) > iTargetSize.iWidth )
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            {
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            // Thumbnail is wider than requested and we crop
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            // some of the right and left parts.
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            TReal trg;
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            TReal src( srcSize.iHeight* reqAspect );
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            Math::Round( trg, src, 0 );
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            const TSize cropSize( trg, srcSize.iHeight );
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            iCropRectangle.iTl.SetXY(( srcSize.iWidth - cropSize.iWidth ) / 2, 0 );
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            iCropRectangle.SetSize( cropSize );
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            }
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        else
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            {
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            // Thumbnail is taller than requested and we crop
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            // some of the top and bottom parts.
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            TReal trg;
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            TReal src( srcSize.iWidth / reqAspect );
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            Math::Round( trg, src, 0 );
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            const TSize cropSize( srcSize.iWidth, trg );
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            iCropRectangle.iTl.SetXY(0, ( srcSize.iHeight - cropSize.iHeight ) / 2 );
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            iCropRectangle.SetSize( cropSize );
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            }
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        }
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    else
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        {
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        iTargetSize.SetSize( 0, 0 );
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   327
        }
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    }
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// ---------------------------------------------------------------------------
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// CThumbnailScaleTask::StoreAndCompleteL()
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// ---------------------------------------------------------------------------
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//
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void CThumbnailScaleTask::StoreAndCompleteL()
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    {
7
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    TN_DEBUG6( "CThumbnailScaleTask(0x%08x)::StoreAndCompleteL() iFilename=%S, iThumbnailSize=%d, iBitmap=0x%08x, iScaledBitmap=0x%08x)", 
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               this, &iFilename, iThumbnailSize, iBitmap, iScaledBitmap );
0
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    // do not store TN if quality is too low eg. orignal size of image is smaller than requested size
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    // (do not store upscaled images)
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    if ( (iTargetSizeTN.iWidth > iOriginalSize.iWidth || iTargetSizeTN.iHeight > iOriginalSize.iHeight) && iEXIF)
0
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        {
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        TN_DEBUG1("CThumbnailScaleTask()::StoreAndCompleteL() too low quality");
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        iDoStore = EFalse;
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   345
        }
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diff changeset
   347
    TN_DEBUG3("CThumbnailScaleTask(0x%08x)::StoreAndCompleteL() iDoStore = %d", this, iDoStore);
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
    
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
    if ( iDoStore )
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
        {
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
        if (iTargetUri != KNullDesC)
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
            {
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
            if (iFilename != KNullDesC && iFilename.CompareF(iTargetUri) == 0)
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
                {
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
                // filename and target URI match, so thumb created from associated path
7
2eb74cf6572e Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 5
diff changeset
   356
                iServer.StoreThumbnailL( iTargetUri, iScaledBitmap, iOriginalSize, iCrop, iThumbnailSize, iModified, ETrue );
0
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
                }
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
            else
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
                {
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
                // thumb not created from associated path
7
2eb74cf6572e Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 5
diff changeset
   361
                iServer.StoreThumbnailL( iTargetUri, iScaledBitmap, iOriginalSize, iCrop, iThumbnailSize, iModified, EFalse, EFalse );
0
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
                }  
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
            }
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
        else if (iFilename != KNullDesC)
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
            {
7
2eb74cf6572e Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 5
diff changeset
   366
            iServer.StoreThumbnailL( iFilename, iScaledBitmap, iOriginalSize, iCrop, iThumbnailSize, iModified, ETrue );
0
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
            }
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
        }    
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
    
5
82749d516180 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   370
    if ( ClientThreadAlive() )
0
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
        {
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
        TN_DEBUG1("CThumbnailScaleTask()::StoreAndCompleteL() scaled bitmap handle to params");
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
        
5
82749d516180 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   374
        TThumbnailRequestParams& params = iParamsBuf();
82749d516180 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   375
        iMessage.ReadL( 0, iParamsBuf );
82749d516180 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   376
                    
0
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
        // if need to add scaled bitmap to pool
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
        if (iBitmapToPool)
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
            {
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
            TN_DEBUG1("CThumbnailScaleTask()::StoreAndCompleteL() scaled bitmap to pool");
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
            
5
82749d516180 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   382
            params.iBitmapHandle = iScaledBitmap->Handle();
82749d516180 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   383
            
82749d516180 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   384
            iServer.AddBitmapToPoolL( iRequestId.iSession, iScaledBitmap, iRequestId );
0
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
            iScaledBitmapHandle = params.iBitmapHandle;
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
            }    
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
		
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
	    if( params.iQualityPreference == CThumbnailManager::EOptimizeForQualityWithPreview
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
	        && iEXIF && !iDoStore)
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
	        {
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
		    // this is upscaled preview image
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
	        params.iControlFlags = EThumbnailPreviewThumbnail;
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
	        TN_DEBUG1("CThumbnailScaleTask()::StoreAndCompleteL() EThumbnailPreviewThumbnail");
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
	        }
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
        // Server owns the bitmap now. If the code below leaves, we will
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
        // release the bitmap reference in destructor using iScaledBitmapHandle.
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
        if (iBitmapToPool)
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
           {
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
           iScaledBitmap = NULL;
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
           }
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
	    
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
        TN_DEBUG1("CThumbnailScaleTask()::StoreAndCompleteL() write params to message");
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
        
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
	    // pass bitmap handle to client
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
	    iMessage.WriteL( 0, iParamsBuf );
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
	    
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
	    // Successfully completed the message. The client will send
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
	    // EReleaseBitmap message later to delete the bitmap from pool.
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
	    // CThumbnailScaleTask is no longer responsible for that.
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
	    iScaledBitmapHandle = 0;
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
        }
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
    
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
    TN_DEBUG1("CThumbnailScaleTask()::StoreAndCompleteL() - end");
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
    }
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
// ---------------------------------------------------------------------------
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
// CThumbnailScaleTask::StoreAndCompleteL()
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
// Changes priority of the task.
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
// ---------------------------------------------------------------------------
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
//
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
void CThumbnailScaleTask::ChangeTaskPriority( TInt /*aNewPriority*/ )
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
    {
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
    // The priority of scale tasks is fixed. Do nothing.
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
    }
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
// ---------------------------------------------------------------------------
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
// CThumbnailScaleTask::SetDoStore()
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
// Changes the store flag
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
// ---------------------------------------------------------------------------
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
//
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
void CThumbnailScaleTask::SetDoStore( TBool aDoStore )
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
    {
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
    iDoStore = aDoStore;
2014ca87e772 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
    }