1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include "GraphicsAccelerator.h"

    17 

    18 LOCAL_D const TGraphicsAcceleratorCaps HardwareAcceleratorCapabilities =

    19 {

    20     sizeof(TGraphicsAcceleratorCaps),	//TInt iStructureSize;	// The size of this class

    21     1,									//TInt iVersion;		// == 1 to specify current API

    22     {0}									//Tint iVendorUid;		// Optional ID

    23     // Default values of zero...

    24 };

    25 

    26 EXPORT_C CHardwareGraphicsAccelerator* CHardwareGraphicsAccelerator::NewL(RHardwareBitmap /*aBitmap*/)

    27 /** 

    28 Allocates and constructs an instance of a derived class and initialises its 

    29 capabilities.

    30 

    31 @param aBitmap The hardware bitmap for the accelerator to draw to.

    32 @return Pointer to the initialised graphics accelerator object.

    33 @see TGraphicsAcceleratorCaps::iDisplayModes 

    34 @leave KErrNoMemory There is no memory to allocate the graphics accelerator

    35        KErrNotSupported There is no graphics accelerator supporting the display mode given by the bitmap parameter

    36 */

    37 	{

    38     User::Leave(KErrNotSupported) ;

    39     return NULL ;

    40 	}

    41 

    42 EXPORT_C const TGraphicsAcceleratorCaps* CHardwareGraphicsAccelerator::GenericCapabilities()

    43 /** 

    44 Gets the generic capabilities of the accelerator, including which display modes 

    45 are supported for the bitmap passed to NewL().

    46 

    47 Generic capabilities apply to all hardware graphics accelerators on the device. 

    48 The function is static, so it can be used to find out the capabilities of 

    49 graphics accelerators before deciding on whether or not to create one.

    50 

    51 The CGraphicsAccelerator::Capabilities() function provides information about 

    52 the capabilities of a particular graphics accelerator.

    53 

    54 As capabilities may vary depending on the display mode of a bitmap, this method 

    55 should indicate as supported any features which are only available in some 

    56 display modes.

    57 

    58 @return Generic capabilities for hardware graphics accelerators. 

    59 */

    60 	{

    61     return &HardwareAcceleratorCapabilities ;

    62 	}

    63