1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Reader for JPEG/GIF/BMP images (ImageHandlingLib wrapper)

    15 *

    16 */

    17 

    18 

    19 #ifndef BMIMAGEREADER_H

    20 #define BMIMAGEREADER_H

    21 

    22 #include <MIHLViewerObserver.h>

    23 

    24 #include "BMMediaReader.h"

    25 

    26 class MIHLFileImage;

    27 class MIHLBitmap;

    28 class MIHLImageViewer;

    29 

    30 /**

    31  *  Reader for JPEG/GIF/BMP images (ImageHandlingLib wrapper)

    32  *

    33  *  @lib BubbleManager

    34  *  @since S60 v3.2

    35  */

    36 class CBubbleImageReader : public CBubbleMediaReader,

    37                            public MIHLViewerObserver

    38     {

    39 public:    

    40 

    41     static CBubbleImageReader* NewL( 

    42         const TDesC& aFileName );

    43 	

    44     virtual ~CBubbleImageReader();

    45 

    46 private: // from CBubbleMediaReader

    47     

    48     void  StartReadingL(

    49         const TSize& aTargetSize,

    50         const TReal& aScaleFactor,

    51         const TRect& aClipRect, 

    52         MBubbleMediaReaderObserver* aObserver );

    53         

    54     TInt SetScaleAndClip(

    55         const TSize& aTargetSize,

    56         const TReal& aScaleFactor,

    57         const TRect& aClipRect );        

    58     

    59     void  CancelReading();

    60     

    61     const TSize SourceSize() const;

    62     

    63     TBool IsAnimation() const;

    64     

    65     void  Play();

    66     

    67     void  Stop();

    68     

    69 private: // from MIHLViewerObserver

    70     

    71     void ViewerBitmapChangedL();

    72     

    73     void ViewerError( TInt aError );     

    74     

    75 

    76 private:

    77     

    78     CBubbleImageReader();

    79 

    80     void ConstructL( const TDesC& aFileName );

    81 

    82 private: // data

    83     

    84     // Owned

    85     MIHLFileImage* iSourceImage;

    86     // Owned

    87     MIHLBitmap* iDestinationBitmap;

    88     // Owned

    89     MIHLImageViewer* iViewerEngine;

    90     

    91     };

    92 

    93 #endif // BMIMAGEREADER_H