1 /*

     2 * Copyright (c) 2005 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 the License "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 CMINIMAPSCALER_H

    21 #define CMINIMAPSCALER_H

    22 

    23 //  INCLUDES

    24 

    25 #include <e32base.h>

    26 

    27 // CONSTANTS

    28 

    29 // MACROS

    30 

    31 // DATA TYPES

    32 

    33 // FUNCTION PROTOTYPES

    34 

    35 // FORWARD DECLARATIONS

    36 

    37 class CBitmapScaler;

    38 class CFbsBitmap;

    39 

    40 // CLASS DECLARATION

    41 

    42 class MMinimapScalerCallback

    43     {

    44     public:        

    45         virtual void ScalingCompletedL(CFbsBitmap& aResult, const TRect& aTargetRect) = 0;

    46     };

    47 

    48 

    49 // CLASS DECLARATION

    50 

    51 /**

    52 *  

    53 *  

    54 *  @lib pagescaler.dll

    55 *  @since 3.1

    56 */

    57 class CMinimapScaler : public CActive

    58     {

    59     public:  // Constructors and destructor

    60         

    61         /**

    62         * Two-phased constructor.

    63         */

    64         static CMinimapScaler* NewL(MMinimapScalerCallback& aCallback);

    65         

    66         /**

    67         * Destructor.

    68         */

    69         virtual ~CMinimapScaler();

    70 

    71     public: // New functions

    72         

    73         /**

    74         * 

    75         * @since 3.1

    76         * @param 

    77         * @return 

    78         */

    79         void StartScalingL(CFbsBitmap &aSource, const TRect& aTargetRect);

    80         

    81 

    82     private: // Functions from CActive

    83     

    84         void RunL();

    85         

    86         void DoCancel();

    87         

    88 

    89     private:

    90 

    91         /**

    92         * C++ constructor.

    93         */

    94         CMinimapScaler(MMinimapScalerCallback& aCallback);

    95 

    96         /**

    97         * By default Symbian 2nd phase constructor is private.

    98         */

    99         void ConstructL();

   100         

   101         void DeleteResultBitmap();

   102 

   103     private:    // Data

   104     

   105         MMinimapScalerCallback* iCallback;

   106         

   107         CFbsBitmap* iResultBitmap; // owned                

   108         CBitmapScaler* iScaler; // owned

   109         

   110         TRect iTargetRect;

   111 

   112     };

   113 

   114 #endif      // CMINIMAPSCALER_H   

   115             

   116 // End of File