graphicsdeviceinterface/screendriver/sbit/AccelSoft.cpp
changeset 0 5d03bc08d59c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsdeviceinterface/screendriver/sbit/AccelSoft.cpp	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,76 @@
+// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include <graphicsaccelerator.h>
+#include <fbs.h>
+
+// Dummy implementation
+
+LOCAL_D const TGraphicsAcceleratorCaps SoftwareAcceleratorCapabilities = 
+	{
+	sizeof(TGraphicsAcceleratorCaps),	//TInt iStructureSize;	// The size of this class
+	1,									//TInt iVersion;		// == 1 to specify current API
+	{0},									//Tint iVendorUid;		// Optional ID
+	0,									//iDisplayModes;
+	0,									//iClipping;
+	TGraphicsAcceleratorCaps::EMaskBitmapNone,	//iMaskType;	
+	0,									//iTransparency;
+	0,									//iAlphaChannel;
+	0,									//iAlphaBitmap;
+	0,									//iPatternSizes;
+	0,									//iPattern;
+	0,									//iPolygon;
+	{0,0,0,0}							//iReserved[0] is used for supported orientations, iReserved[1]-iReserved[3] are reserved;
+	};
+
+/** 
+Allocates and constructs an instance of a derived class and initialises its 
+capabilities.
+
+@param aBitmap The bitmap for the accelerator to draw to. This may be any 
+type of bitmap, including a hardware bitmap.
+@return Pointer to the initialised graphics accelerator object.
+@see TGraphicsAcceleratorCaps::iDisplayModes 
+@leave KErrNoMemory There is no memory to allocate the graphics accelerator
+       KErrNotSupported There is no graphics accelerator supporting the display mode given by the bitmap parameter
+*/
+EXPORT_C CSoftwareGraphicsAccelerator* CSoftwareGraphicsAccelerator::NewL(CFbsBitmap* /*aBitmap*/)
+	{
+	User::Leave(KErrNotSupported);
+	return NULL;
+	}
+
+/** 
+Gets the generic capabilities of the accelerator, including which display modes 
+are supported for the bitmap passed to NewL().
+
+Generic capabilities apply to all software graphics accelerators on the device. 
+The function is static, so it can be used to find out the capabilities of 
+graphics accelerators before deciding on whether or not to create one.
+
+The CGraphicsAccelerator::Capabilities() function provides information about 
+the capabilities of a particular graphics accelerator.
+
+As capabilities may vary depending on the display mode of a bitmap, this method 
+should indicate as supported any features which are only available in some 
+display modes.
+
+@return Generic capabilities for software graphics accelerators. 
+*/
+EXPORT_C const TGraphicsAcceleratorCaps* CSoftwareGraphicsAccelerator::GenericCapabilities()
+	{
+	return &SoftwareAcceleratorCapabilities;
+	}
+