/*

* Copyright (c) 2008 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 HUIFXVG10BLURFILTER_H_

#define HUIFXVG10BLURFILTER_H_

#include "HuiFxVg10FilterBase.h"

class CHuiFxVg10BlurFilter : public CHuiFxVg10FilterBase

    {

public:

    static CHuiFxVg10BlurFilter* NewL();

    TBool Draw(CHuiFxEngine& aEngine, CHuiGc& aGc,

            CHuiFxRenderbuffer& aTarget, CHuiFxRenderbuffer& aSource,

            const TRect& aTargetRect, const TRect& aSourceRect);

    void DrawEffect(CHuiFxEngine& aEngine, VGImage aTargetImage, VGImage aSourceImage, TInt aWidth, TInt aHeight);

    void CalculateMargin(TMargins &aMargin) const;  

    CHuiFxVg10BlurFilter *CloneL() const;

protected:

    void ConstructL();

private:

    void UpdateAlphaLUT();

    TBool OpacityChanged();

    TReal32                 iOldOpacity;

    TReal32                 iBlurX;

    TReal32                 iBlurY;

    const static VGubyte    iColorLUT[256];

    VGubyte                 iAlphaLUT[256];

    };

#endif /*HUIFXVG10BLURFILTER_H_*/