--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsdeviceinterface/screendriver/swins/SCNEW.CPP	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,204 @@
+// Copyright (c) 1997-2009 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:
+// WINS platform
+// 
+//
+
+#include <hal.h>
+#include "SCDRAW.H"
+#include "ScreenInfo.h"
+#include <graphics/gdi/gdiconsts.h>
+
+/**
+Creates an instance of CFbsDrawDevice class.
+@param aScreenNo Screen number
+@param aDispMode Display mode
+@param aScreenInfo Screen parameters: video memory address and screen size
+@return A pointer to the created CFbsDrawDevice object
+@leave System-wide error code including KErrNoMemory
+@internalComponent
+*/
+static CFbsDrawDevice* CreateInstanceL(TInt aScreenNo,
+									   TDisplayMode aDispMode,
+									   const TScreenInfo& aScreenInfo)
+	{
+	TUint depths = 0;
+	// As multiple screens are possible, the (optional) second parameter is necessary here
+	// to find the color depth specific to this screen.
+	EmulatorColorDepth(depths, aScreenNo); 
+	ASSERT(depths);
+
+	CFbsDrawDevice* drawDevice = NULL;
+
+	switch(aDispMode)
+		{
+	case EGray2:
+		if (!(depths & KEmulGray2))
+			User::Leave(KErrNotSupported);
+		drawDevice = new(ELeave) CDrawOneBppScreenBitmap;
+		CleanupStack::PushL(drawDevice);
+		User::LeaveIfError((static_cast<CDrawOneBppScreenBitmap*> (drawDevice)) ->ConstructScreen(aScreenNo,
+																			aScreenInfo.iAddress,
+																			aScreenInfo.iSize));
+		break;
+	case EGray4:
+		if (!(depths & KEmulGray4))
+			User::Leave(KErrNotSupported);
+		drawDevice = new(ELeave) CDrawTwoBppScreenBitmap;
+		CleanupStack::PushL(drawDevice);
+		User::LeaveIfError((static_cast<CDrawTwoBppScreenBitmap*> (drawDevice)) ->ConstructScreen(aScreenNo,
+																			aScreenInfo.iAddress,
+																			aScreenInfo.iSize));
+		break;
+	case EGray16:
+		if (!(depths & KEmulGray16))
+			User::Leave(KErrNotSupported);
+		drawDevice = new(ELeave) CDrawFourBppScreenBitmapGray;
+		CleanupStack::PushL(drawDevice);
+		User::LeaveIfError((static_cast<CDrawFourBppScreenBitmapGray*> (drawDevice)) ->ConstructScreen(aScreenNo,
+																			aScreenInfo.iAddress,
+																			aScreenInfo.iSize));
+		break;
+	case EGray256:
+		if (!(depths & KEmulGray256))
+			User::Leave(KErrNotSupported);
+		drawDevice = new(ELeave) CDrawEightBppScreenBitmapGray;
+		CleanupStack::PushL(drawDevice);
+		User::LeaveIfError((static_cast<CDrawEightBppScreenBitmapGray*> (drawDevice)) ->ConstructScreen(aScreenNo,
+																			aScreenInfo.iAddress,
+																			aScreenInfo.iSize));
+		break;
+	case EColor16:
+		if (!(depths & KEmulColor16))
+			User::Leave(KErrNotSupported);
+		drawDevice = new(ELeave) CDrawFourBppScreenBitmapColor;
+		CleanupStack::PushL(drawDevice);
+		User::LeaveIfError((static_cast<CDrawFourBppScreenBitmapColor*> (drawDevice)) ->ConstructScreen(aScreenNo,
+																			aScreenInfo.iAddress,
+																			aScreenInfo.iSize));
+		break;
+	case EColor256:
+		if (!(depths & KEmulColor256))
+			User::Leave(KErrNotSupported);
+		drawDevice = new(ELeave) CDrawEightBppScreenBitmapColor;
+		CleanupStack::PushL(drawDevice);
+		User::LeaveIfError((static_cast<CDrawEightBppScreenBitmapColor*> (drawDevice)) ->ConstructScreen(aScreenNo,
+																			aScreenInfo.iAddress,
+																			aScreenInfo.iSize));
+		break;
+	case EColor4K:
+		if (!(depths & KEmulColor4K))
+			User::Leave(KErrNotSupported);
+		drawDevice = new(ELeave) CDrawTwelveBppScreenBitmap;
+		CleanupStack::PushL(drawDevice);
+		User::LeaveIfError((static_cast<CDrawTwelveBppScreenBitmap*> (drawDevice)) ->ConstructScreen(aScreenNo,
+																			aScreenInfo.iAddress,
+																			aScreenInfo.iSize));
+		break;
+	case EColor64K:
+		if (!(depths & KEmulColor64K))
+			User::Leave(KErrNotSupported);
+		drawDevice = new(ELeave) CDrawSixteenBppScreenBitmap;
+		CleanupStack::PushL(drawDevice);
+		User::LeaveIfError((static_cast<CDrawSixteenBppScreenBitmap*> (drawDevice)) ->ConstructScreen(aScreenNo,
+																			aScreenInfo.iAddress,
+																			aScreenInfo.iSize));
+		break;
+	case EColor16M:
+		if (!(depths & KEmulColor16M))
+			User::Leave(KErrNotSupported);
+		drawDevice = new(ELeave) CDrawTwentyFourBppScreenBitmap;
+		CleanupStack::PushL(drawDevice);
+		User::LeaveIfError((static_cast<CDrawTwentyFourBppScreenBitmap*> (drawDevice)) ->ConstructScreen(aScreenNo,
+																			aScreenInfo.iAddress,
+																			aScreenInfo.iSize));
+		break;
+	case EColor16MU:
+		if (!(depths & KEmulColor16M))
+			User::Leave(KErrNotSupported);
+		drawDevice = new(ELeave) CDrawUTwentyFourBppScreenBitmap;
+		CleanupStack::PushL(drawDevice);
+		User::LeaveIfError((static_cast<CDrawUTwentyFourBppScreenBitmap*> (drawDevice)) ->ConstructScreen(aScreenNo,
+																			aScreenInfo.iAddress,
+																			aScreenInfo.iSize));
+		break;
+	case EColor16MA:
+		if (!(depths & KEmulColor16M))
+			User::Leave(KErrNotSupported);
+		drawDevice = new(ELeave) CDrawThirtyTwoBppScreenBitmapAlpha;
+		CleanupStack::PushL(drawDevice);
+		User::LeaveIfError((static_cast<CDrawThirtyTwoBppScreenBitmapAlpha*> (drawDevice)) ->ConstructScreen(aScreenNo,
+																			aScreenInfo.iAddress,
+																			aScreenInfo.iSize));
+		break;
+	case EColor16MAP:
+		if (!(depths & KEmulColor16M))
+			User::Leave(KErrNotSupported);
+		drawDevice = new(ELeave) CDrawThirtyTwoBppScreenBitmapAlphaPM;
+		CleanupStack::PushL(drawDevice);
+		User::LeaveIfError((static_cast<CDrawThirtyTwoBppScreenBitmapAlphaPM*> (drawDevice)) ->ConstructScreen(aScreenNo,
+																			aScreenInfo.iAddress,
+																			aScreenInfo.iSize));
+		break;
+	default:
+		User::Leave(KErrNotSupported);
+		}
+
+	CleanupStack::Pop(); // drawDevice
+	return drawDevice;
+	}
+
+/**
+@deprecated Use NewScreenDeviceL(TInt aScreenNo, TDisplayMode aDispMode)
+*/
+EXPORT_C CFbsDrawDevice* CFbsDrawDevice::NewScreenDeviceL(TScreenInfoV01 aInfo,
+														  TDisplayMode aDispMode)
+	{
+	__ASSERT_ALWAYS(aInfo.iScreenAddressValid && aInfo.iScreenAddress, Panic(EScreenDriverPanicInvalidWindowHandle));
+	TScreenInfo screenInfo(aInfo.iScreenAddress, aInfo.iScreenSize);
+	return ::CreateInstanceL(KDefaultScreenNo, aDispMode, screenInfo);
+	}
+
+/**
+Creates a new screen device instance, which implements CFbsDrawDevice interface.
+The method has to be implemented for each type of supported video hardware.
+@param aScreenNo Screen number
+@param aDispMode Requested display mode
+@return A pointer to just created screen device, which implements CFbsDrawDevice interface
+@leave KErrNoMemory Not enough memory
+	   KErrNotSupported The requested screen device type is not supported
+*/
+EXPORT_C CFbsDrawDevice* CFbsDrawDevice::NewScreenDeviceL(TInt aScreenNo,
+														  TDisplayMode aDispMode)
+	{
+	TInt address = 0, width = 0, height = 0;
+	User::LeaveIfError(HAL::Get(aScreenNo, HALData::EDisplayMemoryAddress, address));
+	User::LeaveIfError(HAL::Get(aScreenNo, HALData::EDisplayXPixels, width));
+	User::LeaveIfError(HAL::Get(aScreenNo, HALData::EDisplayYPixels, height));
+	__ASSERT_ALWAYS(width > 0 && height > 0 && address != 0, Panic(EScreenDriverPanicInvalidHalValue));
+	TScreenInfo screenInfo(reinterpret_cast <TAny*> (address), TSize(width, height));
+	return ::CreateInstanceL(aScreenNo, aDispMode, screenInfo);
+	}
+
+/**
+Depending on the current graphics hardware this 
+will return one of the 16M video modes defined in
+TDisplayMode, or ENone if a 16M video mode is not supported.
+@see TDisplayMode
+@return	a 16M display mode or ENone.
+*/
+EXPORT_C TDisplayMode CFbsDrawDevice::DisplayMode16M()
+	{
+	return EColor16MU;
+	}