--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsdeviceinterface/screendriver/swins/SCMON4.CPP Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,97 @@
+// 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 CDrawFourBppScreenBitmapGray::InitScreen()
+ {
+ TRect drawRect;
+ GetDrawRect(drawRect);
+ RWindows* window = ::WindowHandler(iScreenNo);
+ window->iDisplayMode = DisplayMode();
+ window->iEpocBitmapSize = drawRect.Size();
+ window->iEpocBitmapLinePitch = (iScanLineWords*4);
+
+ return KErrNone;
+ }
+
+void CDrawFourBppScreenBitmapGray::OrientationsAvailable(TBool aOrientation[4])
+ {
+ aOrientation[EOrientationNormal] = ETrue;
+ aOrientation[EOrientationRotated90] = EFalse;
+ aOrientation[EOrientationRotated180] = EFalse;
+ aOrientation[EOrientationRotated270] = EFalse;
+ }
+
+void CDrawFourBppScreenBitmapGray::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 & ~7;
+ TInt rx = (aRect.iBr.iX + 7) & ~7;
+ TInt wordwidth = (rx - lx) >> 3;
+
+ for (TInt row = aRect.iTl.iY; row < aRect.iBr.iY; row++)
+ {
+ TUint8* destPixel = WinPixelAddress(lx,row);
+ TInt wordx = lx;
+
+ for(TInt word = 0; word < wordwidth; word++)
+ {
+ TUint32 data;
+ ReadLine(wordx,row,8,&data);
+
+ TUint8 grayIndex = TUint8((data & 0xf) * 17);
+ destPixel[0] = grayIndex;
+ destPixel[1] = grayIndex;
+ destPixel[2] = grayIndex;
+ grayIndex = TUint8(((data >> 4) & 0xf) * 17);
+ destPixel[3] = grayIndex;
+ destPixel[4] = grayIndex;
+ destPixel[5] = grayIndex;
+ grayIndex = TUint8(((data >> 8) & 0xf) * 17);
+ destPixel[6] = grayIndex;
+ destPixel[7] = grayIndex;
+ destPixel[8] = grayIndex;
+ grayIndex = TUint8(((data >> 12) & 0xf) * 17);
+ destPixel[9] = grayIndex;
+ destPixel[10] = grayIndex;
+ destPixel[11] = grayIndex;
+ grayIndex = TUint8(((data >> 16) & 0xf) * 17);
+ destPixel[12] = grayIndex;
+ destPixel[13] = grayIndex;
+ destPixel[14] = grayIndex;
+ grayIndex = TUint8(((data >> 20) & 0xf) * 17);
+ destPixel[15] = grayIndex;
+ destPixel[16] = grayIndex;
+ destPixel[17] = grayIndex;
+ grayIndex = TUint8(((data >> 24) & 0xf) * 17);
+ destPixel[18] = grayIndex;
+ destPixel[19] = grayIndex;
+ destPixel[20] = grayIndex;
+ grayIndex = TUint8(((data >> 28) & 0xf) * 17);
+ destPixel[21] = grayIndex;
+ destPixel[22] = grayIndex;
+ destPixel[23] = grayIndex;
+
+ destPixel += 24;
+ wordx += 8;
+ }
+ }
+ }
+