1 /*

     2 * Copyright (c) 2008 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 HUIFXVG10BLURFILTER_H_

    21 #define HUIFXVG10BLURFILTER_H_

    22 

    23 #include "HuiFxVg10FilterBase.h"

    24 

    25 class CHuiFxVg10BlurFilter : public CHuiFxVg10FilterBase

    26     {

    27 public:

    28     static CHuiFxVg10BlurFilter* NewL();

    29     TBool Draw(CHuiFxEngine& aEngine, CHuiGc& aGc,

    30             CHuiFxRenderbuffer& aTarget, CHuiFxRenderbuffer& aSource,

    31             const TRect& aTargetRect, const TRect& aSourceRect);

    32 

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

    34     void CalculateMargin(TMargins &aMargin) const;  

    35     CHuiFxVg10BlurFilter *CloneL() const;

    36 protected:

    37     void ConstructL();

    38 private:

    39     void UpdateAlphaLUT();

    40     TBool OpacityChanged();

    41     

    42     TReal32                 iOldOpacity;

    43     TReal32                 iBlurX;

    44     TReal32                 iBlurY;

    45     const static VGubyte    iColorLUT[256];

    46     VGubyte                 iAlphaLUT[256];

    47     };

    48 

    49 #endif /*HUIFXVG10BLURFILTER_H_*/