graphicsdeviceinterface/screendriver/swins/SCMON1.CPP
changeset 0 5d03bc08d59c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsdeviceinterface/screendriver/swins/SCMON1.CPP	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,78 @@
+// 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 CDrawOneBppScreenBitmap::InitScreen()
+	{
+	TRect drawRect;
+	GetDrawRect(drawRect);
+    RWindows* window = ::WindowHandler(iScreenNo);
+	window->iDisplayMode = DisplayMode();
+	window->iEpocBitmapSize = drawRect.Size();
+	window->iEpocBitmapLinePitch = (iScanLineWords*4);
+
+	return KErrNone;
+	}
+
+void CDrawOneBppScreenBitmap::OrientationsAvailable(TBool aOrientation[4])
+	{
+	aOrientation[EOrientationNormal] = ETrue;
+	aOrientation[EOrientationRotated90] = EFalse;
+	aOrientation[EOrientationRotated180] = EFalse;
+	aOrientation[EOrientationRotated270] = EFalse;
+	}
+
+void CDrawOneBppScreenBitmap::UpdateRect(const TRect& aRect) const
+	{
+	ASSERT(aRect.iTl.iX >= 0 && aRect.iTl.iY >= 0);
+	ASSERT(aRect.iBr.iX <= iSize.iWidth);
+	ASSERT(aRect.iBr.iY <= iSize.iHeight);
+
+	TInt lx = aRect.iTl.iX & ~0x1f;
+	TInt rx = (aRect.iBr.iX + 31) & ~0x1f;
+
+	TUint32* srcePtr = ScanLine(aRect.iTl.iY) + (lx / 32);
+	TUint32* srcePtrLimit = srcePtr + ((rx - lx) / 32);
+
+	for(TInt row = aRect.iTl.iY; row < aRect.iBr.iY; row++)
+		{
+		TUint32* tempSrcePtr = srcePtr;
+		TUint8* destPixel = WinPixelAddress(lx,row);
+
+		while (tempSrcePtr < srcePtrLimit)
+			{
+			TUint32 data = *tempSrcePtr++;
+
+			Mem::Fill(destPixel,96,0xff);
+
+			for (TUint32 shift = 1; shift != 0; shift <<= 1)
+				{
+				if (!(data & shift))
+					{
+					destPixel[0] = 0;
+					destPixel[1] = 0;
+					destPixel[2] = 0;
+					}
+
+				destPixel += 3;
+				}
+			}
+		srcePtr += iScanLineWords;
+		srcePtrLimit += iScanLineWords;
+		}
+	}
+