/*

* Copyright (c) 2007 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:  Synchronous wrapper around CMPXImageUtil.

*

*/

#ifndef MPXIMAGEUTILSYNC_H

#define MPXIMAGEUTILSYNC_H

//  INCLUDES

#include <e32base.h>

#include <imageconversion.h>

// FORWARD DECLARATIONS

class CMPXImageUtil;

// CLASS DECLARATION

/**

* Declares the CMPXImageUtilSync class.

* @lib MPXSQLiteDbCommon.lib

**/

NONSHARABLE_CLASS( CMPXImageUtilSync ) : public CActive

    {

public:  // Constructors and destructor

    /**

    * Two-phased constructor.

    * @return pointer to a newly created object

    */

    static CMPXImageUtilSync* NewL();

    /**

    * Destructor.

    */

    ~CMPXImageUtilSync();

public: // New functions

    /*

    * Synchronously converts a JPG buffer to an CFbsBitmap.

    * @param aSourceJPG JPG data

    * @param aSize destination size to be used for calculating the optimal loading size

    * @param aDisplayMode the display mode of the destination BMP

    * @return converted bitmap. Ownership is transferred.

    */

    CFbsBitmap* DecodeL(const TDesC8& aSourceJPG, TSize aSize, TDisplayMode aDisplayMode = EColor64K);

    /*

    * Synchronously decodes an image from a JPG file. 

    * @param aSourceJPGFile Full path and filename of the image to be decoded.

    * @param aSize destination size to be used for calculating the optimal loading size

    * @param aDisplayMode the display mode of the destination BMP

    * @return converted bitmap. Ownership is transferred.

    */  

    CFbsBitmap* DecodeL(const TDesC& aSourceJPGFile, TSize aSize, TDisplayMode aDisplayMode = EColor64K);

    /*

    * Synchronously encodes a BMP to JPG.

    * @param aSourceBMP source BMP

    * @return destination JPG, ownership is transferred

    */

    HBufC8* EncodeL(const CFbsBitmap& aSourceBMP);

    /*

    * Synchronously scales a BMP to a specified size

    * @param aSourceBMP source BMP

    * @param aSize size to scale to

    * @param aDisplayMode display mode for the destination image

    * @return scaled BMP, ownership is transferred

    */

    CFbsBitmap* ScaleL(CFbsBitmap& aSourceBMP, TSize aSize, TDisplayMode aDisplayMode = EColor64K);

private:    // From CActive

    /**

    * @see CActive

    */

    void DoCancel();

    /**

    * @see CActive

    */

    void RunL();

    /**

    * @see CActive

    */

    TInt RunError(TInt aError);

private:

    /**

    * C++ default constructor.

    */

    CMPXImageUtilSync();

    /**

    * By default Symbian 2nd phase constructor is private.

    */

    void ConstructL();

private:    // Data

    CActiveSchedulerWait* iActiveSchedulerWait;

    CMPXImageUtil* iImageUtil;

    CFbsBitmap* iBitmap;

    HBufC8* iData;

    TInt iError;

    };

#endif // MPXIMAGEUTILSYNC_H

// End of File