1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/graphicsdeviceinterface/screendriver/smint/SCNEW.CPP Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,96 @@
1.4 +// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// MINT platform
1.18 +//
1.19 +//
1.20 +
1.21 +#include <hal.h>
1.22 +#include "scdraw.h"
1.23 +#include "ScreenInfo.h"
1.24 +#include <graphics/gdi/gdiconsts.h>
1.25 +
1.26 +/**
1.27 +Creates an instance of CFbsDrawDevice class.
1.28 +@param aScreenNo Screen number
1.29 +@param aDispMode Display mode
1.30 +@param aScreenInfo Screen parameters: video memory address and screen size
1.31 +@return A pointer to the created CFbsDrawDevice object
1.32 +@leave System-wide error code including KErrNoMemory
1.33 +@internalComponent
1.34 +*/
1.35 +static CFbsDrawDevice* CreateInstanceL(TInt aScreenNo,
1.36 + TDisplayMode aDispMode,
1.37 + const TScreenInfo& aScreenInfo)
1.38 + {
1.39 + CFbsDrawDevice* drawDevice = NULL;
1.40 +
1.41 + switch (aDispMode)
1.42 + {
1.43 + case SCREEN_LAYOUT_DISPLAY_MODE:
1.44 + drawDevice = new(ELeave) CDrawScreenBitmap;
1.45 + CleanupStack::PushL(drawDevice);
1.46 + User::LeaveIfError(((CDrawScreenBitmap*)drawDevice)->ConstructScreen(aScreenNo,
1.47 + aScreenInfo.iAddress,
1.48 + aScreenInfo.iSize));
1.49 + break;
1.50 + default:
1.51 + User::Leave(KErrNotSupported);
1.52 + }
1.53 +
1.54 + CleanupStack::Pop(); // drawDevice
1.55 + return drawDevice;
1.56 + }
1.57 +
1.58 +/**
1.59 +@deprecated Use NewScreenDeviceL(TInt aScreenNo, TDisplayMode aDispMode)
1.60 +*/
1.61 +EXPORT_C CFbsDrawDevice* CFbsDrawDevice::NewScreenDeviceL(TScreenInfoV01 aInfo,
1.62 + TDisplayMode aDispMode)
1.63 + {
1.64 + TScreenInfo screenInfo(aInfo.iScreenAddress, aInfo.iScreenSize);
1.65 + return ::CreateInstanceL(KDefaultScreenNo, aDispMode, screenInfo);
1.66 + }
1.67 +
1.68 +/**
1.69 +Creates a new screen device instance, which implements CFbsDrawDevice interface.
1.70 +The method has to be implemented for each type of supported video hardware.
1.71 +@param aScreenNo Screen number
1.72 +@param aDispMode Requested display mode
1.73 +@return A pointer to just created screen device, which implements CFbsDrawDevice interface
1.74 +@leave KErrNoMemory Not enough memory
1.75 + KErrNotSupported The requested screen device type is not supported
1.76 +*/
1.77 +EXPORT_C CFbsDrawDevice* CFbsDrawDevice::NewScreenDeviceL(TInt aScreenNo,
1.78 + TDisplayMode aDispMode)
1.79 + {
1.80 + TInt address = 0, width = 0, height = 0;
1.81 + User::LeaveIfError(HAL::Get(aScreenNo, HALData::EDisplayMemoryAddress, address));
1.82 + User::LeaveIfError(HAL::Get(aScreenNo, HALData::EDisplayXPixels, width));
1.83 + User::LeaveIfError(HAL::Get(aScreenNo, HALData::EDisplayYPixels, height));
1.84 + __ASSERT_ALWAYS(width > 0 && height > 0 && address != 0, Panic(EScreenDriverPanicInvalidHalValue));
1.85 + TScreenInfo screenInfo(reinterpret_cast <TAny*> (address), TSize(width, height));
1.86 + return ::CreateInstanceL(aScreenNo, aDispMode, screenInfo);
1.87 + }
1.88 +
1.89 +/**
1.90 +Depending on the current graphics hardware this
1.91 +will return one of the 16M video modes defined in
1.92 +TDisplayMode, or ENone if a 16M video mode is not supported.
1.93 +@see TDisplayMode
1.94 +@return a 16M display mode or ENone.
1.95 +*/
1.96 +EXPORT_C TDisplayMode CFbsDrawDevice::DisplayMode16M()
1.97 + {
1.98 + return ENone;
1.99 + }