1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/graphicsdeviceinterface/screendriver/swins/SCCOL32A.CPP	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,100 @@
     1.4 +// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#include "SCDRAW.H"
    1.20 +#include "_WININC.H"
    1.21 +
    1.22 +TInt CDrawThirtyTwoBppScreenBitmapAlpha::InitScreen()
    1.23 +	{
    1.24 +	TRect drawRect;
    1.25 +	GetDrawRect(drawRect);
    1.26 +	RWindows* window = ::WindowHandler(iScreenNo);
    1.27 +	window->iDisplayMode = DisplayMode();
    1.28 +	window->iEpocBitmapSize = drawRect.Size();
    1.29 +	window->iEpocBitmapLinePitch = iScanLineWords * 4;
    1.30 +
    1.31 +	return KErrNone;
    1.32 +	}
    1.33 +
    1.34 +TBool CDrawThirtyTwoBppScreenBitmapAlpha::SetOrientation(TOrientation aOrientation)
    1.35 +	{
    1.36 +	if (aOrientation == iEmulatorOrientation)
    1.37 +		return ETrue;
    1.38 +
    1.39 +	SetScreenOrientation(aOrientation);
    1.40 +	iEmulatorOrientation = aOrientation;
    1.41 +	iOrientation = aOrientation ;
    1.42 +	return ETrue;
    1.43 +	}
    1.44 +
    1.45 +void CDrawThirtyTwoBppScreenBitmapAlpha::UpdateRect(const TRect& aRect) const
    1.46 +	{
    1.47 +	ASSERT(aRect.iTl.iX >= 0 && aRect.iTl.iY >= 0);
    1.48 +#if defined(_DEBUG)
    1.49 +	if (iOrientation&1)
    1.50 +		{
    1.51 +		ASSERT(aRect.iBr.iX <= iSize.iHeight);
    1.52 +		ASSERT(aRect.iBr.iY <= iSize.iWidth);
    1.53 +		}
    1.54 +	else
    1.55 +		{
    1.56 +		ASSERT(aRect.iBr.iX <= iSize.iWidth);
    1.57 +		ASSERT(aRect.iBr.iY <= iSize.iHeight);
    1.58 +		}
    1.59 +#endif
    1.60 +	TInt scanLineLen=iLongWidth*4;
    1.61 +	TInt srcPixelStep=4;
    1.62 +	TPoint srcStart(aRect.iTl);
    1.63 +	switch(iOrientation)
    1.64 +		{
    1.65 +	case CFbsDrawDevice::EOrientationRotated90:
    1.66 +		srcPixelStep=scanLineLen;
    1.67 +		scanLineLen=-4;
    1.68 +		srcStart.iX=iSize.iWidth-1-aRect.iTl.iY;
    1.69 +		srcStart.iY=aRect.iTl.iX;
    1.70 +		break;
    1.71 +	case CFbsDrawDevice::EOrientationRotated180:
    1.72 +		srcPixelStep=-4;
    1.73 +		scanLineLen=-scanLineLen;
    1.74 +		srcStart.iX=iSize.iWidth-1-aRect.iTl.iX;
    1.75 +		srcStart.iY=iSize.iHeight-1-aRect.iTl.iY;
    1.76 +		break;
    1.77 +	case CFbsDrawDevice::EOrientationRotated270:
    1.78 +		srcPixelStep=-scanLineLen;
    1.79 +		scanLineLen=4;
    1.80 +		srcStart.iX=aRect.iTl.iY;
    1.81 +		srcStart.iY=iSize.iHeight-1-aRect.iTl.iX;
    1.82 +		break;
    1.83 +		}
    1.84 +	TUint8* srcePtr = (TUint8*)PixelAddress(srcStart.iX,srcStart.iY);
    1.85 +	TUint8* srcePtrLimit = srcePtr + aRect.Width()*srcPixelStep;
    1.86 +	TInt rowMax = aRect.iTl.iY+aRect.Height();
    1.87 +	srcPixelStep-=3;	// as we increment while reading it
    1.88 +	for(TInt row = aRect.iTl.iY; row < rowMax; row++)
    1.89 +		{
    1.90 +		TUint8* tempSrcePtr = srcePtr;
    1.91 +		TUint8* destPixel = WinPixelAddress(aRect.iTl.iX,row);
    1.92 +
    1.93 +		while (tempSrcePtr != srcePtrLimit)
    1.94 + 			{
    1.95 +			*destPixel++=*tempSrcePtr++;
    1.96 +			*destPixel++=*tempSrcePtr++;
    1.97 +			*destPixel++=*tempSrcePtr++;
    1.98 +			tempSrcePtr += srcPixelStep;
    1.99 + 			}
   1.100 + 		srcePtr+=scanLineLen;
   1.101 + 		srcePtrLimit+=scanLineLen;
   1.102 +		}
   1.103 +	}