// 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;

 		}

 	}