uiservicetab/vimpstutils/src/cvimpstimageprocessor.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 14 Apr 2010 15:46:18 +0300
branchRCL_3
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parent 0 5e5d6b214f4f
permissions -rw-r--r--
Revision: 201013 Kit: 201015
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/*
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* Copyright (c) 2008 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:  Image processor  and scaler
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 *
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*/
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#include "cvimpstimageprocessor.h"
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#include "tvimpstconsts.h"
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#include <imageconversion.h>
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#include <bitmaptransforms.h>
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#include <s32file.h>
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#include <e32cmn.h>
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#include "uiservicetabtracer.h"
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// CONSTANTS
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const TInt KChatCustomBitmapWidth =  65;
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const TInt KChatCustomBitmapHeight = 65;
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const TInt KMaxImageSize = 1800; //2k
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const TInt KMimeLength = 16;
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const TInt KScaleSize = 10;
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//-----------------------------------------------------------------------------
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// CCAImageLoader::CCAImageLoader
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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CVimpstImageProcessor::CVimpstImageProcessor( MCAImageProcessObserver* aObserver )
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: CActive( CActive::EPriorityLow ),iObserver(aObserver),iScaleSize(KScaleSize)
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	    {
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	    CActiveScheduler::Add( this );
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	    }
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//-----------------------------------------------------------------------------
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// CVimpstImageProcessor::CVimpstImageProcessor
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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CVimpstImageProcessor::~CVimpstImageProcessor()
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    {
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    iFs.Close();
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    delete iImageDecoder;
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    delete iScaler;
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    delete iImageEncoder;
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    if(!isBitmapReturned)
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        {
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        delete iBitmap;
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        }
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    delete iMimeType;
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    }
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//-----------------------------------------------------------------------------
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// CVimpstImageProcessor::NewL
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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CVimpstImageProcessor* CVimpstImageProcessor::NewL( MCAImageProcessObserver* aObserver)
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    {
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	TRACER_AUTO;
0
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    CVimpstImageProcessor* self =
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    new ( ELeave ) CVimpstImageProcessor(aObserver);
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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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// CVimpstImageProcessor::ConstructL
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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void CVimpstImageProcessor::ConstructL()
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    {
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    User::LeaveIfError( iFs.Connect() );
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    }
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//-----------------------------------------------------------------------------
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// CVimpstImageProcessor::RunL
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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void CVimpstImageProcessor::RunL()
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    {
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	TRACER_AUTO;
0
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    TInt status = iStatus.Int();    
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    if(!status)
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        {
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        switch(iProcessingState)
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            {
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            case EConvertImageDatatoBitmap:
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                {
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                ConvertImageToBitmapL();
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                break;
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                }
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            case EScaleBitmap:
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                {
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                ScaleBitmapL();
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                break;
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                }
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            case EConentFromScaledBitmap:
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                {
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                ContentFromScaledBitmapL();
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diff changeset
   112
                break;
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   113
                }
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   114
            case EProcessingComplete: 
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                {
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                if( iContent->Length() > KMaxImageSize)
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                    {
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                    delete iScaler;
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                    iScaler = NULL;
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                    delete iImageEncoder;
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                    iImageEncoder = NULL;
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                    delete iContent;
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   123
                    iTargetSize.SetSize( KChatCustomBitmapWidth - iScaleSize, KChatCustomBitmapHeight - iScaleSize );
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                    iScaleSize += KScaleSize;
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                    ScaleBitmapL();
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                    }
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                else
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                    {
9
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                    TRACE("RunL completed ");
0
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                    CompleteRequestL();
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                    }
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                break;
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                }  
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            default:
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                {
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                }
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            }
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        }
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    else
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        {
9
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   143
        TRACE("RunL completed ");
0
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        CompleteRequestL();
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   145
        }
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   146
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    }
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//-----------------------------------------------------------------------------
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// CVimpstImageProcessor::ConvertImageToBitmapL()
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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void CVimpstImageProcessor::ConvertImageToBitmapL()
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    {
9
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   154
	TRACER_AUTO;
0
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   155
    TSize origSize( iImageDecoder->FrameInfo().iOverallSizeInPixels );
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   156
    ScaleSize( origSize, iTargetSize );
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   157
    TBool fullyScaleable( iImageDecoder->FrameInfo().iFlags & TFrameInfo::EFullyScaleable );
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   158
    TSize decodeSize( DecodeSize( origSize, iTargetSize, fullyScaleable ) );
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   159
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   160
    iBitmap = new (ELeave) CFbsBitmap();
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   161
    User::LeaveIfError( iBitmap->Create( decodeSize, 
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   162
            iImageDecoder->FrameInfo().iFrameDisplayMode ) );
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   163
    iImageDecoder->Convert( &iStatus, *iBitmap );
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   164
    iProcessingState = EScaleBitmap;  //  set state to next step
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   165
    if( !IsActive() )
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   166
        {
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   167
        SetActive();
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   168
        }
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   169
    }
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   170
//-----------------------------------------------------------------------------
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   171
// CVimpstImageProcessor::ScaleBitmapL()
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   172
// ( Other items commented in header )
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   173
//-----------------------------------------------------------------------------
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diff changeset
   174
void CVimpstImageProcessor::ScaleBitmapL()
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   175
    {
9
9fdee5e1da30 Revision: 201013
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   176
	TRACER_AUTO;
0
5e5d6b214f4f Revision: 201003
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   177
    TSize currentSize( iBitmap ? iBitmap->SizeInPixels() : iTargetSize );
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   178
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   179
    if( currentSize != iTargetSize )
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   180
        {
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   181
        // bitmap exists and the size is wrong,
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   182
        // we have to scale the bitmap
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parents:
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   183
        iScaler = CBitmapScaler::NewL();
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parents:
diff changeset
   184
        iScaler->Scale( &iStatus, *iBitmap, iTargetSize );
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   185
        iProcessingState = EConentFromScaledBitmap; //  set state to next step
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   186
        if( !IsActive() )
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parents:
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   187
            {
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   188
            SetActive();
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   189
            }
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parents:
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   190
        }
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parents:
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   191
    else 
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parents:
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   192
        { // get content from scaled bitmap
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parents:
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   193
        ContentFromScaledBitmapL();
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   194
        }
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   195
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   196
    }
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   197
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   198
//-----------------------------------------------------------------------------
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   199
// CVimpstImageProcessor::ContentFromScaledBitmapL()
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   200
// ( Other items commented in header )
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   201
//-----------------------------------------------------------------------------
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   202
void CVimpstImageProcessor::ContentFromScaledBitmapL()
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parents:
diff changeset
   203
    {
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   204
    iContent = NULL;
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parents:
diff changeset
   205
    iImageEncoder = CImageEncoder::DataNewL( iContent,*iMimeType);
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diff changeset
   206
    iImageEncoder->Convert( &iStatus, *iBitmap );
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   207
    iProcessingState = EProcessingComplete ; //  set state to next step
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   208
    if( !IsActive() )
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diff changeset
   209
        {
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   210
        SetActive();
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   211
        }
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   212
    }
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parents:
diff changeset
   213
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parents:
diff changeset
   214
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   215
//-----------------------------------------------------------------------------
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   216
// CVimpstImageProcessor::DoCancel
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   217
// ( Other items commented in header )
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   218
//-----------------------------------------------------------------------------
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diff changeset
   219
void CVimpstImageProcessor::DoCancel()
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parents:
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   220
    {
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   221
    ClearState();        
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   222
    }
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parents:
diff changeset
   223
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//-----------------------------------------------------------------------------
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// CVimpstImageProcessor::RunError
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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TInt CVimpstImageProcessor::RunError( TInt aError )
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    {
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    if( IsActive() )
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        {
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        iStatus = aError;
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        Cancel();
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        }
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    if( aError == KErrNoMemory )
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        {
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        CActiveScheduler::Current()->Error( KErrNoMemory );
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        }
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    // Clean up and reset all pending messages
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    ClearState();
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    TRAP_IGNORE( ResetProcessingL( aError ) );
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    return KErrNone;    
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    }
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//-----------------------------------------------------------------------------
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// CVimpstImageProcessor::StartProcessingFromDataL
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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TInt CVimpstImageProcessor::ProcessFromDataL( const TDesC8& aImageData , const TDesC8& aMimeType)
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    {
9
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	TRACER_AUTO;
0
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    TInt err = KErrNone;
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    if ( aMimeType.Length())
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        {
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        // if the mimetype is passed then allocate the memory
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        iMimeType = aMimeType.AllocL();
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        }
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    else 
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        {
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        // if no mimetype find the mimetype
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        iMimeType = HBufC8::NewL( KMimeLength);
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        TPtr8 mimePtr = iMimeType->Des();
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        TRAP(err,CImageDecoder::GetMimeTypeDataL( aImageData , mimePtr ));
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        if(KErrNone != err)
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            {
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            return err;
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            }
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        }  
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    iImageDecoder = NULL;
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    // need to check for the mimetype length, as sometimes CImageDecoder::GetMimeTypeDataL
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    // is alos not able to give the mimetype
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    iImageDecoder = CImageDecoder::DataNewL(iFs, aImageData , *iMimeType);
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    iProcessingState = EConvertImageDatatoBitmap;
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    RunL();
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    return err;  
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    }
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//-----------------------------------------------------------------------------
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// CVimpstImageProcessor::ProcessFromFileL
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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void CVimpstImageProcessor::ProcessFromFileL( const TDesC& aFileName , const TDesC8& aMimeType)
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    {
9
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	TRACER_AUTO;
0
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    iMimeType = aMimeType.AllocL();
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    iImageDecoder = NULL;
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    iImageDecoder = CImageDecoder::FileNewL(iFs, aFileName, *iMimeType );
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    iProcessingState = EConvertImageDatatoBitmap;
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    RunL();
9
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0
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    }
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//-----------------------------------------------------------------------------
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// CVimpstImageProcessor::CancelProcessing
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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void CVimpstImageProcessor::CancelProcessing()
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    {
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    if( IsActive() )
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        {
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        Cancel();
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        }        
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    }
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//-----------------------------------------------------------------------------
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// CVimpstImageProcessor::RegisterObserver
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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void CVimpstImageProcessor::RegisterObserver( MCAImageProcessObserver* aObserver )
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    {
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    iObserver = aObserver;
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    }
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//-----------------------------------------------------------------------------
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// CVimpstImageProcessor::GetContentData
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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HBufC8* CVimpstImageProcessor::GetContentData()
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    {
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    return iContent;
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    }
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//-----------------------------------------------------------------------------
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// CVimpstImageProcessor::Bitmap
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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CFbsBitmap& CVimpstImageProcessor::Bitmap()
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    {
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    isBitmapReturned = ETrue;
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    return *iBitmap;
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    }
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//-----------------------------------------------------------------------------
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// CVimpstImageProcessor::DecodeSize
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// Scale to nearest (larger or equal) size with ratio 1:1, 1:2, 1:4 or 1:8
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
//-----------------------------------------------------------------------------    
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
TSize CVimpstImageProcessor::DecodeSize( const TSize& aSize, const TSize& aTargetSize,
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
        TBool aAnyRatio )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
    {
9
9fdee5e1da30 Revision: 201013
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   340
	TRACER_AUTO;
0
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
    if( aAnyRatio || aSize == aTargetSize )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
        // decoder can scale to any ratio or the size is already correct
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
        return aTargetSize;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
    // 1:1 is always valid ratio for decode scaling
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
    TInt lastValidRatio( 1 );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
    for( TInt ratio( KDecodeScaleRatioMin ); ratio <= KDecodeScaleRatioMax; ratio <<= 1 )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
        if( aSize.iWidth % ratio + aSize.iHeight % ratio == 0 )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
            {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
            // this ratio is valid
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
            if( aSize.iWidth / ratio < aTargetSize.iWidth || 
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
                    aSize.iHeight / ratio < aTargetSize.iHeight )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
                {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
                // the decoded size was smaller in some dimension, 
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
                // the last valid ratio should be used
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
                break;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
                }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
            // this scale ratio results to greater or equal size
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
            lastValidRatio = ratio;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
            }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
    // return the size scaled with correct ratio
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
    return TSize( aSize.iWidth / lastValidRatio, 
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
            aSize.iHeight / lastValidRatio );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
    }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
//-----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
// CVimpstImageProcessor::ScaleSize
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
// ( Other items commented in header )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
//-----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
TBool CVimpstImageProcessor::ScaleSize( const TSize& aSize, TSize& aNewSize )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
    {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
    if( Max( aSize.iHeight, aSize.iWidth ) > KChatCustomBitmapWidth )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
        {  
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
        aNewSize.SetSize( KChatCustomBitmapWidth, KChatCustomBitmapHeight );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
        return ETrue;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
    // old size is correct
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
    aNewSize = aSize;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
    return EFalse;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
    }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
//-----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
// CVimpstImageProcessor::CompleteRequestL
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
// ( Other items commented in header )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
//-----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
void CVimpstImageProcessor::CompleteRequestL()
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
    {    
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
    iObserver->HandleProcessingCompleteL( iStatus.Int() );
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
    }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
//-----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
// CVimpstImageProcessor::ResetProcessingL
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
// ( Other items commented in header )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
//-----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
void CVimpstImageProcessor::ResetProcessingL( TInt aReason )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
    {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
    // cancel operation
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
    if( IsActive() )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
        iStatus = aReason;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
        Cancel();
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
        }  
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
    }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
//-----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
// CVimpstImageProcessor::ClearState
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
// ( Other items commented in header )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
//-----------------------------------------------------------------------------
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
void CVimpstImageProcessor::ClearState()
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
    {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
    if( iScaler )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
        iScaler->Cancel();
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
        delete iScaler;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
        iScaler = NULL;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
    if( iImageDecoder )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
        iImageDecoder->Cancel();
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
        delete iImageDecoder;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
        iImageDecoder = NULL;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
    if( iImageEncoder )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
        iImageEncoder->Cancel();
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
        delete iImageEncoder;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
        iImageEncoder = NULL;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
    if( iBitmap )
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
        delete iBitmap;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
        iBitmap = NULL;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
    if (iMimeType)
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
        {
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
        delete iMimeType;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
        iMimeType = NULL;
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
        }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
    }
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
5e5d6b214f4f Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
// End of file