--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsdeviceinterface/screendriver/swins/SCCOL12.CPP	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,107 @@
+// 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:
+//
+
+#include "SCDRAW.H"
+#include "_WININC.H"
+
+TInt CDrawTwelveBppScreenBitmap::InitScreen()
+	{
+	TRect drawRect;
+	GetDrawRect(drawRect);
+    RWindows* window = ::WindowHandler(iScreenNo);
+    window->iDisplayMode = DisplayMode();
+	window->iEpocBitmapSize = drawRect.Size();
+	window->iEpocBitmapLinePitch = (iScanLineWords*4);
+
+	return KErrNone;
+	}
+
+TBool CDrawTwelveBppScreenBitmap::SetOrientation(TOrientation aOrientation)
+	{
+	if (aOrientation == iEmulatorOrientation)
+		return ETrue;
+
+	SetScreenOrientation(aOrientation);
+	iEmulatorOrientation = aOrientation;
+	iOrientation = aOrientation ;
+	return ETrue;
+	}
+
+void CDrawTwelveBppScreenBitmap::UpdateRect(const TRect& aRect) const
+	{
+	ASSERT(aRect.iTl.iX >= 0 && aRect.iTl.iY >= 0);
+#if defined(_DEBUG)
+	if (iOrientation&1)
+		{
+		ASSERT(aRect.iBr.iX <= iSize.iHeight);
+		ASSERT(aRect.iBr.iY <= iSize.iWidth);
+		}
+	else
+		{
+		ASSERT(aRect.iBr.iX <= iSize.iWidth);
+		ASSERT(aRect.iBr.iY <= iSize.iHeight);
+		}
+#endif
+	TInt scanLineLen=iLongWidth;
+	TInt srcPixelStep=1;
+	TPoint srcStart(aRect.iTl);
+	switch(iOrientation)
+		{
+	case CFbsDrawDevice::EOrientationRotated90:
+		srcPixelStep=scanLineLen;
+		scanLineLen=-1;
+		srcStart.iX=iSize.iWidth-1-aRect.iTl.iY;
+		srcStart.iY=aRect.iTl.iX;
+		break;
+	case CFbsDrawDevice::EOrientationRotated180:
+		srcPixelStep=-1;
+		scanLineLen=-scanLineLen;
+		srcStart.iX=iSize.iWidth-1-aRect.iTl.iX;
+		srcStart.iY=iSize.iHeight-1-aRect.iTl.iY;
+		break;
+	case CFbsDrawDevice::EOrientationRotated270:
+		srcPixelStep=-scanLineLen;
+		scanLineLen=1;
+		srcStart.iX=aRect.iTl.iY;
+		srcStart.iY=iSize.iHeight-1-aRect.iTl.iX;
+		break;
+		}
+	TUint16* srcePtr = CDrawSixteenBppBitmapCommon::PixelAddress(srcStart.iX,srcStart.iY);
+	TUint16* srcePtrLimit = srcePtr + aRect.Width()*srcPixelStep;
+	TInt rowMax = aRect.iTl.iY+aRect.Height();
+	for(TInt row = aRect.iTl.iY; row < rowMax; row++)
+		{
+		TUint16* tempSrcePtr = srcePtr;
+		TUint8* destPixel = WinPixelAddress(aRect.iTl.iX,row);
+
+		while (tempSrcePtr != srcePtrLimit)
+			{
+			destPixel[0] = TUint8((*tempSrcePtr & 0x00f));
+			destPixel[0] |= destPixel[0] << 4;
+			destPixel[1] = TUint8((*tempSrcePtr & 0x0f0));
+			destPixel[1] |= destPixel[1] >> 4;
+			destPixel[2] = TUint8((*tempSrcePtr & 0xf00)>>4);
+			destPixel[2] |= destPixel[2] >> 4;	
+			
+			tempSrcePtr+=srcPixelStep;
+		
+			destPixel += 3;
+			}
+
+		srcePtr += scanLineLen;
+		srcePtrLimit += scanLineLen;
+		}
+	}
+