screengrabber/inc/SGGifAnimator.h
changeset 0 d6fe6244b863
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/screengrabber/inc/SGGifAnimator.h	Tue Feb 02 00:17:27 2010 +0200
@@ -0,0 +1,98 @@
+/*
+* 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__
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