voipplugins/accountcreationplugin/engine/src/acpimagehandler.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 20:12:36 +0200
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permissions -rw-r--r--
Revision: 201001 Kit: 201003
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/*
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* Copyright (c) 2006-2008 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:  account creation plugin params source file
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*
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*/
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#include <bitmaptransforms.h>
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#include <fbs.h>
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#include <gulicon.h>
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#include "acpimagehandler.h" 
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#include "accountcreationpluginlogger.h"
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#include "macpimagehandlerobserver.h"
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#include "accountcreationengineconstants.h"
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// ---------------------------------------------------------------------------
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// CAcpImageHandler::NewL
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// ---------------------------------------------------------------------------
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//
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CAcpImageHandler* CAcpImageHandler::NewL( MImageHandlerObserver& aController )
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    {
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    ACPLOG( "CAcpImageHandler::NewL begin" );
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    CAcpImageHandler* self = new(ELeave) CAcpImageHandler( aController );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    CleanupStack::Pop(self);
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    ACPLOG( "CAcpImageHandler::NewL end" );
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    return self; 
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    }
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// ---------------------------------------------------------------------------
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// CAcpImageHandler::CAcpImageHandler
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// ---------------------------------------------------------------------------
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//    
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CAcpImageHandler::CAcpImageHandler( MImageHandlerObserver& aController )
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    : CActive( EPriorityStandard ),
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    iController( aController )
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    {
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    }
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// ---------------------------------------------------------------------------
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// CAcpImageHandler::ConstructL()
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// ---------------------------------------------------------------------------
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//
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void CAcpImageHandler::ConstructL()
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    {
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    ACPLOG( "CAcpImageHandler::ConstructL begin" );
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    // Create file server connection.
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    User::LeaveIfError( iFs.Connect() );
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    // Create a new active object scheduler for this objects.
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    CActiveScheduler::Add( this );
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    ACPLOG( "CAcpImageHandler::ConstructL end" );
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    }
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// ---------------------------------------------------------------------------
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// CAcpImageHandler::~CAcpImageHandler()
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// ---------------------------------------------------------------------------
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//
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CAcpImageHandler::~CAcpImageHandler()
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    {
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    ACPLOG( "CAcpImageHandler::~CAcpImageHandler begin" );
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    Cancel();
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    iFs.Close();
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    delete iImageDecoder;
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    delete iBitmap;
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    delete iMask;
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    ACPLOG( "CAcpImageHandler::~CAcpImageHandler end" );
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    }
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// ---------------------------------------------------------------------------
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// CAcpImageHandler::DoCancel
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// ---------------------------------------------------------------------------
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//
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void CAcpImageHandler::DoCancel()
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    {
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    ACPLOG( "CAcpImageHandler::DoCancel begin" );
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    if ( iImageDecoder )
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        {
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        iImageDecoder->Cancel();
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        }
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    ACPLOG( "CAcpImageHandler::DoCancel end" );
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    }
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// ---------------------------------------------------------------------------
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// CAcpImageHandler::RunL
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// ---------------------------------------------------------------------------
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//	
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void CAcpImageHandler::RunL()
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    {
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    ACPLOG( "CAcpImageHandler::RunL begin" );
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    if ( iStatus == KErrUnderflow )
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        {
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        // Converting continues..
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        iImageDecoder->ContinueConvert( &iStatus );
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   117
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        // Requests of the active object outstanding.
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        SetActive();
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        }
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    else
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        {
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        iState = EIdle; // Bitmap done and decoder state is idle.
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        // Send a client notify about that.
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        iController.NotifyImageCompletion( iStatus.Int() );
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   126
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        // Now it's safe to delete image decoder and close file system handle.
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        Cancel();
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        delete iImageDecoder;
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        iImageDecoder = NULL;
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        iFs.Close();
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        }
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   134
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    ACPLOG( "CAcpImageHandler::RunL end" );  
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    }
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   137
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// ---------------------------------------------------------------------------
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// CAcpImageHandler::StartToDecodeL
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// Decodes a received image to the bitmap
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// ---------------------------------------------------------------------------
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//
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void CAcpImageHandler::StartToDecodeL( const TDesC8& aSourceData, 
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    const TDesC8& aContentType )
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    {
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    ACPLOG( "CAcpImageHandler::StartToDecodeL begin");
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    ACPLOG2( " - Data length: %d", aSourceData.Length() );
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   149
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    if ( aSourceData.Length() > KErrNone )
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        {
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        // Encoding the image
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        iState = EDecoding;
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   154
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        // Delete decoder
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        delete iImageDecoder;
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        iImageDecoder = NULL;
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        // Create new image decoder.
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        iImageDecoder = CImageDecoder::DataNewL( iFs, aSourceData,
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            aContentType, CImageDecoder::EAllowGeneratedMask );
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   162
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        // Recreate bitmap.
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    	delete iBitmap;
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    	iBitmap = NULL;
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        iBitmap = new (ELeave) CFbsBitmap();
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   167
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        // Delete old mask.
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        delete iMask;
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        iMask = NULL;
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        // Check if a mask is present.
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        if ( iImageDecoder->FrameInfo().iFlags &
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            TFrameInfo::ETransparencyPossible )
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            {
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            iMask = new (ELeave) CFbsBitmap();
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   177
            }
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   178
        
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        TSize frameinfo = iImageDecoder->FrameInfo().iOverallSizeInPixels;
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        TDisplayMode frameDisplayMode = 
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            iImageDecoder->FrameInfo().iFrameDisplayMode;
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        ACPLOG2( " - Converted data length: %d bytes",
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            iImageDecoder->FrameInfo().iBitsPerPixel * 
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            frameinfo.iWidth * frameinfo.iHeight / KBitsPerByte );
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   186
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        // Creates a bitmap and mask with the image sizes and display mode.
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        iBitmap->Create( frameinfo, frameDisplayMode );
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   189
        
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        if ( iMask )
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   191
            {
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            iMask->Create( frameinfo, EGray256 );
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   193
            ACPLOG( " - created mask with 8-bit transparency" );
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   194
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            iImageDecoder->Convert( &iStatus, *iBitmap, *iMask );
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   196
            }
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        else
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            {
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            iImageDecoder->Convert( &iStatus, *iBitmap );
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   200
            }
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   201
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        // The active object has requested.
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        SetActive();
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   204
        }
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   205
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    ACPLOG( "CAcpImageHandler::StartToDecodeL end" );
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   207
    }
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   208
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// ---------------------------------------------------------------------------
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// CAcpImageHandler::GetBitmap
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// Reference to already converted bitmap
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// ---------------------------------------------------------------------------
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//	
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CFbsBitmap* CAcpImageHandler::GetBitmap()
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    {
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    return iBitmap; // Bitmap already converted from given image file.
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   217
    }
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   218
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// ---------------------------------------------------------------------------
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// CAcpImageHandler::GetMask
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// Reference to already converted mask
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// ---------------------------------------------------------------------------
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//  
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   224
CFbsBitmap* CAcpImageHandler::GetMask()
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    {
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    return iMask;
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    }
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// End of file.