/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
#ifndef __GIFANIMATOR_H__
#define __GIFANIMATOR_H__
#include <e32std.h>
#include <e32base.h>
#include "SGModel.h"
#include "SGStd.h"
class CImageEncoder;
class CSavingProgressDialog;
class CAknGlobalProgressDialog;
class MDialogCallback
{
public:
virtual void DialogDismissedL( TInt aButtonId ) = 0;
};
class CGifAnimator : public CActive, public MDialogCallback
{
public:
static int CreateGifAnimation(const TDesC& aFileName, TSize aDimensions, CVideoFrameArray* aVideoFrameArray);
~CGifAnimator();
private:
CGifAnimator();
void StartL(const TDesC& aFileName, const TSize& aDimensions, CVideoFrameArray* aVideoFrameArray);
void WriteHeaderL(const TSize& aDimensions);
void WriteGraphicControlL(const TVideoFrame& aFrame);
void WriteImageDescriptorL(const TVideoFrame& aFrame);
CFbsBitmap* GetBitmapLC(TVideoFrame& aFrame, const TSize& aDimensions);
void WriteRasterDataL(CFbsBitmap* aBitmap);
void WriteFooterL();
void FinishL();
void WriteInt8L(TInt aValue);
void WriteInt16L(TInt aValue);
void RunL();
void DoCancel();
void DialogDismissedL(TInt aButtonId); // from MDialogCallback
private:
RFs iFs;
RFile iOutFile;
CImageEncoder* iImageEncoder;
HBufC8* iGIFImageData;
CActiveSchedulerWait iWait;
CSavingProgressDialog* iSavingProgressDialog;
};
class CSavingProgressDialog : public CActive
{
public:
static CSavingProgressDialog* NewL(MDialogCallback* aDialogCallback);
~CSavingProgressDialog();
void StartDisplayingL(const TDesC &aText, TInt aFinalValue);
void IncreaseProgressValueWithOne();
void ProcessFinished();
private:
void DoCancel();
void RunL();
private:
CSavingProgressDialog();
void ConstructL(MDialogCallback* aDialogCallback);
private:
MDialogCallback* iDialogCallback;
CAknGlobalProgressDialog* iGlobalProgressDialog;
TBool iVisible;
TInt iCurrentValue;
TInt iFinalValue;
};
#endif // __GIFANIMATOR_H__