1 /*

     2 * Copyright (c) 2009 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:  

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef __GIFANIMATOR_H__

    21 #define __GIFANIMATOR_H__

    22 

    23 #include <e32std.h>

    24 #include <e32base.h>

    25 #include "SGModel.h"

    26 #include "SGStd.h"

    27 

    28 

    29 class CImageEncoder;

    30 class CSavingProgressDialog;

    31 class CAknGlobalProgressDialog;

    32 

    33 class MDialogCallback

    34     {

    35 public:

    36     virtual void DialogDismissedL( TInt aButtonId ) = 0;

    37     };

    38 

    39 

    40 class CGifAnimator : public CActive, public MDialogCallback

    41 	{

    42 public:

    43 	static int CreateGifAnimation(const TDesC& aFileName, TSize aDimensions, CVideoFrameArray* aVideoFrameArray);

    44 	~CGifAnimator();

    45 

    46 private:

    47     CGifAnimator();

    48     void StartL(const TDesC& aFileName, const TSize& aDimensions, CVideoFrameArray* aVideoFrameArray);

    49     void WriteHeaderL(const TSize& aDimensions);

    50     void WriteGraphicControlL(const TVideoFrame& aFrame);

    51     void WriteImageDescriptorL(const TVideoFrame& aFrame);

    52     CFbsBitmap* GetBitmapLC(TVideoFrame& aFrame, const TSize& aDimensions);

    53     void WriteRasterDataL(CFbsBitmap* aBitmap);

    54     void WriteFooterL();

    55     void FinishL();

    56     void WriteInt8L(TInt aValue);

    57     void WriteInt16L(TInt aValue);

    58     void RunL();

    59 	void DoCancel();

    60 	void DialogDismissedL(TInt aButtonId); // from MDialogCallback

    61     

    62 private:

    63     RFs                         iFs;

    64     RFile                       iOutFile;

    65 	CImageEncoder*              iImageEncoder;

    66 	HBufC8*                     iGIFImageData;

    67 	CActiveSchedulerWait        iWait;

    68     CSavingProgressDialog*      iSavingProgressDialog;

    69     };

    70 

    71 

    72 class CSavingProgressDialog : public CActive

    73     {

    74 public:

    75     static CSavingProgressDialog* NewL(MDialogCallback* aDialogCallback);

    76     ~CSavingProgressDialog();

    77     void StartDisplayingL(const TDesC &aText, TInt aFinalValue);

    78     void IncreaseProgressValueWithOne();

    79     void ProcessFinished();

    80 

    81 private:

    82     void DoCancel();

    83     void RunL();

    84 

    85 private: 

    86     CSavingProgressDialog();

    87     void ConstructL(MDialogCallback* aDialogCallback);

    88 

    89 private:

    90     MDialogCallback*            iDialogCallback;

    91     CAknGlobalProgressDialog*   iGlobalProgressDialog;

    92     TBool                       iVisible;

    93     TInt                        iCurrentValue;

    94     TInt                        iFinalValue;

    95     };

    96 		

    97 	

    98 #endif // __GIFANIMATOR_H__