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 HUIFXFILTERLAYER_H_

    21 #define HUIFXFILTERLAYER_H_

    22 

    23 #include "HuiFxLayer.h"

    24 

    25 //FORWARD DECLARATIONS

    26 class CHuiFxFilter;

    27 

    28 class CHuiFxFilterLayer: public CHuiFxLayer

    29     {

    30 public:

    31     IMPORT_C ~CHuiFxFilterLayer();

    32     IMPORT_C static CHuiFxFilterLayer* NewL(CHuiFxFilter* aFilter); // takes ownership

    33     IMPORT_C TBool PrepareDrawL(CHuiFxEngine& aEngine);

    34     IMPORT_C void Draw(CHuiFxEngine& aEngine, CHuiGc& aGc, CHuiFxRenderbuffer& aTarget, CHuiFxRenderbuffer& aSource);

    35     IMPORT_C CHuiFxFilter& Filter() const;

    36     IMPORT_C TBool Changed() const;

    37     IMPORT_C void AdvanceTime(TReal32 aElapsedTime);

    38     IMPORT_C TBool Margin(TMargins &m);

    39 public: // effect cache

    40     IMPORT_C CHuiFxFilterLayer *CloneL() const;

    41     IMPORT_C void SetExtRect( TRect *aExtRect );

    42     IMPORT_C void SetVisual( CHuiVisual *aVisual );

    43     IMPORT_C void SetVisual( MHuiEffectable *aVisual );

    44 

    45     TBool IsFiltered() const; 

    46     

    47 protected:

    48     CHuiFxFilterLayer();

    49     void ConstructL(CHuiFxFilter* aFilter);

    50 

    51 private:

    52     CHuiFxFilter*             iFilter;

    53     };

    54 

    55 #endif /*HUIFXFILTERLAYER_H_*/