1 /*

     2 * Copyright (c) 2006-2007 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:  Creates converters.

    15 *

    16 */

    17 

    18 

    19 #ifndef CMIDCONVERTFACTORY_H

    20 #define CMIDCONVERTFACTORY_H

    21 

    22 //  INCLUDES

    23 #include <e32base.h>

    24 #include <gdi.h>

    25 

    26 // Constants

    27 const TInt KFormatNotSupported = -100;

    28 

    29 // Pixel formats from DirectGraphics

    30 const TInt KMIDTypeByte1Gray = 1;

    31 const TInt KMIDTypeByte1GrayVertical = -1;

    32 const TInt KMIDTypeByte2Gray = 2;

    33 const TInt KMIDTypeByte4Gray = 4;

    34 const TInt KMIDTypeByte8Gray = 8;

    35 const TInt KMIDTypeByte332RGB = 332;

    36 const TInt KMIDTypeUshort4444ARGB = 4444;

    37 const TInt KMIDTypeUshort444RGB = 444;

    38 const TInt KMIDTypeUshort555RGB = 555;

    39 const TInt KMIDTypeUshort1555ARGB = 1555;

    40 const TInt KMIDTypeUshort565RGB = 565;

    41 const TInt KMIDTypeInt888RGB = 888;

    42 const TInt KMIDTypeInt888ARGB = 32888; // 888 with 8-bit alpha in a 32-bit bitmap

    43 const TInt KMIDTypeInt8888ARGB = 8888;

    44 

    45 // FORWARD DECLARATIONS

    46 class TMIDFormatConverter;

    47 

    48 //  CLASS DEFINITION

    49 /**

    50  *

    51  * Creates converters.

    52  *

    53  */

    54 NONSHARABLE_CLASS(CMIDConvertFactory): public CBase

    55 {

    56 public: // constuctor & destructor

    57     CMIDConvertFactory();

    58     ~CMIDConvertFactory();

    59 

    60 public:

    61     // returns new or cached converter

    62     TMIDFormatConverter* ConverterL(TInt aFormat);

    63     // returns always new converter

    64     static TMIDFormatConverter* NewConverterL(TInt aFormat);

    65     // returns pixel format for given display mode

    66     static TInt GetPixelFormat(const TDisplayMode& aDisplayMode);

    67 

    68 private: // data

    69 

    70     // last used converter

    71     TMIDFormatConverter* iLastUsedConverter;

    72 

    73     // last used format

    74     TInt iFormat;

    75 

    76 };

    77 

    78 #endif // CMIDCONVERTFACTORY_H

    79