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 "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 #ifndef LCDBITBLT_H

    20 #define LCDBITBLT_H

    21 

    22 class TAcceleratedBitmapInfo;

    23 class TRect;

    24 class TLcdTransform;

    25 

    26 typedef void (*TBlitLineFunction)(TUint8*,TInt,TUint8*,TInt);

    27 typedef void (*TMaskBlitLineFunction)(TUint8*,TInt,TUint8*,TInt,TUint8*,TInt);

    28 

    29 /**

    30  * Generic image copying routine, with no separate mask or alpha bitmap. The

    31  * work is carried out by calls to aBlitLineFn for each line in the destination

    32  * bitmap.

    33  */

    34 extern void GenericBlit

    35 (

    36     const TAcceleratedBitmapInfo*   aDstColorBitmap,

    37     const TRect&                    aDstRect,       // must be clipped to destination

    38     const TAcceleratedBitmapInfo*   aSrcColorBitmap,

    39     const TLcdTransform&            aTransform,     // includes anchor

    40     TBlitLineFunction               aBlitLineFn     // function to call on each line

    41 );

    42 

    43 /**

    44  * Generic image copying routine, with separate mask or alpha bitmap. The

    45  * work is carried out by calls to aBlitLineFn for each line in the destination

    46  * bitmap. The aAlphaBitmap is treated as corresponding to the source bitmap,

    47  * unless aIsSrcAlpha is set to EFalse.

    48  */

    49 extern void GenericMaskBlit

    50 (

    51     const TAcceleratedBitmapInfo*   aDstColorBitmap,

    52     const TRect&                    aDstRect,       // must be clipped to destination

    53     const TAcceleratedBitmapInfo*   aSrcColorBitmap,

    54     const TLcdTransform&            aTransform,     // includes anchor

    55     const TAcceleratedBitmapInfo*   aAlphaBitmap,   // source or destination alpha

    56     TBool                           aIsSrcAlpha,    // ETrue if alpha is source

    57     TMaskBlitLineFunction           aBlitLineFn     // function to call on each line

    58 );

    59 

    60 /**

    61  * Opaque 1bpp to opaque 1bpp bitblt with transform.

    62  */

    63 extern void BitBltOneBpp

    64 (

    65     const TAcceleratedBitmapInfo*   aDstColorBitmap,

    66     const TAcceleratedBitmapInfo*   /*aDstAlphaBitmap*/,

    67     const TRect&                    aDstRect,

    68     const TAcceleratedBitmapInfo*   aSrcColorBitmap,

    69     const TAcceleratedBitmapInfo*   /*aSrcAlphaBitmap*/,

    70     const TLcdTransform&            aTransform

    71 );

    72 

    73 /**

    74  * Opaque 8bpp to opaque 8bpp bitblt with simple transform.

    75  */

    76 extern void BitBltEightBppSimple

    77 (

    78     const TAcceleratedBitmapInfo*   aDstColorBitmap,

    79     const TAcceleratedBitmapInfo*   /*aDstAlphaBitmap*/,

    80     const TRect&                    aDstRect,

    81     const TAcceleratedBitmapInfo*   aSrcColorBitmap,

    82     const TAcceleratedBitmapInfo*   /*aSrcAlphaBitmap*/,

    83     const TLcdTransform&            aTransform

    84 );

    85 

    86 /**

    87  * Opaque 8bpp to opaque 8bpp bitblt with transform.

    88  */

    89 extern void BitBltEightBpp

    90 (

    91     const TAcceleratedBitmapInfo*   aDstColorBitmap,

    92     const TAcceleratedBitmapInfo*   /*aDstAlphaBitmap*/,

    93     const TRect&                    aDstRect,

    94     const TAcceleratedBitmapInfo*   aSrcColorBitmap,

    95     const TAcceleratedBitmapInfo*   /*aSrcAlphaBitmap*/,

    96     const TLcdTransform&            aTransform

    97 );

    98 

    99 

   100 #endif // LCDBITBLT_H