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// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "SCDRAW.H"
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#include "_WININC.H"
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TInt CDrawTwelveBppScreenBitmap::InitScreen()
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{
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TRect drawRect;
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GetDrawRect(drawRect);
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RWindows* window = ::WindowHandler(iScreenNo);
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window->iDisplayMode = DisplayMode();
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window->iEpocBitmapSize = drawRect.Size();
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window->iEpocBitmapLinePitch = (iScanLineWords*4);
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return KErrNone;
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}
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TBool CDrawTwelveBppScreenBitmap::SetOrientation(TOrientation aOrientation)
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{
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if (aOrientation == iEmulatorOrientation)
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return ETrue;
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SetScreenOrientation(aOrientation);
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iEmulatorOrientation = aOrientation;
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iOrientation = aOrientation ;
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return ETrue;
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}
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void CDrawTwelveBppScreenBitmap::UpdateRect(const TRect& aRect) const
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{
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ASSERT(aRect.iTl.iX >= 0 && aRect.iTl.iY >= 0);
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#if defined(_DEBUG)
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if (iOrientation&1)
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{
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ASSERT(aRect.iBr.iX <= iSize.iHeight);
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ASSERT(aRect.iBr.iY <= iSize.iWidth);
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}
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else
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{
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ASSERT(aRect.iBr.iX <= iSize.iWidth);
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ASSERT(aRect.iBr.iY <= iSize.iHeight);
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}
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#endif
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TInt scanLineLen=iLongWidth;
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TInt srcPixelStep=1;
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TPoint srcStart(aRect.iTl);
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switch(iOrientation)
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{
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case CFbsDrawDevice::EOrientationRotated90:
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srcPixelStep=scanLineLen;
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scanLineLen=-1;
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srcStart.iX=iSize.iWidth-1-aRect.iTl.iY;
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srcStart.iY=aRect.iTl.iX;
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break;
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case CFbsDrawDevice::EOrientationRotated180:
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srcPixelStep=-1;
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scanLineLen=-scanLineLen;
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srcStart.iX=iSize.iWidth-1-aRect.iTl.iX;
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srcStart.iY=iSize.iHeight-1-aRect.iTl.iY;
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break;
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case CFbsDrawDevice::EOrientationRotated270:
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srcPixelStep=-scanLineLen;
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scanLineLen=1;
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srcStart.iX=aRect.iTl.iY;
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srcStart.iY=iSize.iHeight-1-aRect.iTl.iX;
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break;
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}
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TUint16* srcePtr = CDrawSixteenBppBitmapCommon::PixelAddress(srcStart.iX,srcStart.iY);
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TUint16* srcePtrLimit = srcePtr + aRect.Width()*srcPixelStep;
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TInt rowMax = aRect.iTl.iY+aRect.Height();
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for(TInt row = aRect.iTl.iY; row < rowMax; row++)
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{
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TUint16* tempSrcePtr = srcePtr;
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TUint8* destPixel = WinPixelAddress(aRect.iTl.iX,row);
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while (tempSrcePtr != srcePtrLimit)
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{
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destPixel[0] = TUint8((*tempSrcePtr & 0x00f));
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destPixel[0] |= destPixel[0] << 4;
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destPixel[1] = TUint8((*tempSrcePtr & 0x0f0));
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destPixel[1] |= destPixel[1] >> 4;
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destPixel[2] = TUint8((*tempSrcePtr & 0xf00)>>4);
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destPixel[2] |= destPixel[2] >> 4;
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tempSrcePtr+=srcPixelStep;
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destPixel += 3;
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}
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srcePtr += scanLineLen;
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srcePtrLimit += scanLineLen;
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}
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}
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