diff -r 000000000000 -r bde4ae8d615e os/graphics/graphicsdeviceinterface/screendriver/swins/SCCOL4.CPP --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/graphics/graphicsdeviceinterface/screendriver/swins/SCCOL4.CPP Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,84 @@ +// 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 CDrawFourBppScreenBitmapColor::InitScreen() + { + TRect drawRect; + GetDrawRect(drawRect); + RWindows* window = ::WindowHandler(iScreenNo); + window->iDisplayMode = DisplayMode(); + window->iEpocBitmapSize = drawRect.Size(); + window->iEpocBitmapLinePitch = (iScanLineWords*4); + + return KErrNone; + } + +void CDrawFourBppScreenBitmapColor::OrientationsAvailable(TBool aOrientation[4]) + { + aOrientation[EOrientationNormal] = ETrue; + aOrientation[EOrientationRotated90] = EFalse; + aOrientation[EOrientationRotated180] = EFalse; + aOrientation[EOrientationRotated270] = EFalse; + } + +void CDrawFourBppScreenBitmapColor::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; + + TUint8* srcePtr = ((TUint8*)(ScanLine(aRect.iTl.iY))) + (lx / 2); + TUint8* srcePtrLimit = srcePtr + ((rx - lx) / 2); + + TInt byteWidth = iScanLineWords * 4; + TRgb pixelColor; + + for(TInt row = aRect.iTl.iY; row < aRect.iBr.iY; row++) + { + TUint8* tempSrcePtr = srcePtr; + TUint8* destPixel = WinPixelAddress(lx,row); + + while (tempSrcePtr < srcePtrLimit) + { + TUint8 pixelValue1 = *tempSrcePtr++; + TUint8 pixelValue2 = TUint8(pixelValue1 >> 4); + pixelValue1 &= 0xf; + + pixelColor = TRgb::Color16(pixelValue1); + destPixel[0] = TUint8(pixelColor.Blue()); + destPixel[1] = TUint8(pixelColor.Green()); + destPixel[2] = TUint8(pixelColor.Red()); + + if (pixelValue2 != pixelValue1) + pixelColor = TRgb::Color16(pixelValue2); + + destPixel[3] = TUint8(pixelColor.Blue()); + destPixel[4] = TUint8(pixelColor.Green()); + destPixel[5] = TUint8(pixelColor.Red()); + + destPixel += 6; + } + + srcePtr += byteWidth; + srcePtrLimit += byteWidth; + } + } +