1 /*

     2 * Copyright (c) 2007 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:  Active Palette Checkerboard Styler*

    15 */

    16 

    17 

    18 /**

    19  * @file ActivePalette2CheckerboardStyler.h

    20  * Active Palette Checkerboard Styler

    21  */

    22 

    23 #ifndef _ACTIVE_PALETTE_2_CHECKERBOARD_STYLER_H

    24 #define _ACTIVE_PALETTE_2_CHECKERBOARD_STYLER_H

    25 

    26 #include "ActivePalette2Styler.h"

    27 

    28 /**

    29  * Renders the checkerboard drawing style 2D AP

    30  */

    31 class CActivePalette2CheckerboardStyler : public CActivePalette2Styler

    32     {

    33 public:    

    34     /**

    35      * 2-stage construction

    36      * @return The newly-created object

    37      */

    38     static CActivePalette2CheckerboardStyler* NewL();

    39     

    40     /**

    41      * Destructor

    42      */

    43     ~CActivePalette2CheckerboardStyler();

    44 

    45 /// @name From CActivePalette2Styler

    46 //@{

    47     void ConstructL();    

    48     virtual void DrawItem(TInt aScreenPos, CFbsBitmap* aIcon, CFbsBitmap* aMask, TInt aOffsetFrame, TInt aOffsetTotal);

    49     virtual void DrawGap(TInt aScreenPos, TInt aOffsetFrame, TInt aOffsetTotal);

    50     virtual void AnimItem(TInt aScreenPos, CFbsBitmap* aIcon, CFbsBitmap* aMask);

    51     virtual void DrawTopScrollArrowSection(TBool aShowArrow);

    52     virtual void DrawBottomScrollArrowSection(TBool aShowArrow);

    53 //@}

    54     void LoadAndScaleCheckerboardL( CFbsBitmap* aTargetBitmap, const TDesC& aFileName, TInt32 aId, TInt32 aMaskId, TSize aSize );

    55     

    56 private:

    57     /// The mask for the top section

    58 	CFbsBitmap* iAPTopSectionMask;

    59 

    60 /**

    61  * @name Alternate masks

    62  * A note about different masks: as the checkerboard pattern repeats over an even number of pixels,

    63  * and the difference in y-positions of two consecutive items is odd, two masks are required for some elements.

    64  * For example, to keep the pattern consistent, you should use ItemMaskA, GapMaskA, ItemMaskB, GapMaskB, BottomSectionMaskB

    65  */

    66 //@{

    67     /// Item mask for even items. Owned

    68 	CFbsBitmap* iAPItemMaskA;

    69     /// Item mask for odd items. Owned

    70 	CFbsBitmap* iAPItemMaskB;

    71     /// Gap mask for even items. Owned

    72 	CFbsBitmap* iAPGapMaskA;

    73     /// Gap mask for odd items. Owned

    74 	CFbsBitmap* iAPGapMaskB;

    75 	/// Bottom section mask for when the total number of items is odd. Owned

    76 	CFbsBitmap* iAPBottomSectionMaskA;

    77 	/// Bottom section mask for when the total number of items is even. Owned

    78 	CFbsBitmap* iAPBottomSectionMaskB;

    79 //@}	

    80     TBool iLineCheckerCounter;

    81     };

    82 

    83 #endif // _ACTIVE_PALETTE_2_CHECKERBOARD_STYLER_H