1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/test/tbufferdrawer/bufferdrawer.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,89 @@
     1.4 +// Copyright (c) 2008-2009 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 +/**
    1.20 + @file
    1.21 + @test
    1.22 + @internalComponent - Internal Symbian test code
    1.23 +*/
    1.24 +
    1.25 +#include "bufferdrawer.h"
    1.26 +#include <s32mem.h>
    1.27 +#include <s32strm.h>
    1.28 +#include <fbs.h>
    1.29 +#include <bitdev.h>
    1.30 +#include <bitstd.h>
    1.31 +#include <graphics/wsgraphicscontext.h>
    1.32 +#include <graphics/wsuibuffer.h>
    1.33 +
    1.34 +
    1.35 +// CWsGraphicDrawer	
    1.36 +CWsBufferGraphicDrawer* CWsBufferGraphicDrawer::NewL()
    1.37 +	{
    1.38 +	return new(ELeave) CWsBufferGraphicDrawer;	
    1.39 +	}
    1.40 +	
    1.41 +CWsBufferGraphicDrawer::~CWsBufferGraphicDrawer()
    1.42 +	{
    1.43 +	}
    1.44 +
    1.45 +void CWsBufferGraphicDrawer::ConstructL(MWsGraphicDrawerEnvironment& aEnv, const TGraphicDrawerId& aId, MWsClient& aOwner, const TDesC8& /*aData*/)
    1.46 +	{
    1.47 +	BaseConstructL(aEnv, aId, aOwner);
    1.48 + 	// default white line number
    1.49 +	iWhiteLinePos = 0;
    1.50 + 	}
    1.51 +
    1.52 +void CWsBufferGraphicDrawer::HandleMessage(const TDesC8& aData)
    1.53 +	{
    1.54 +	TInt linePos = aData[0];
    1.55 +	DoUpdateWhiteLinePos(linePos);
    1.56 +	}
    1.57 +
    1.58 +void CWsBufferGraphicDrawer::DoUpdateWhiteLinePos(TInt aWhiteLinePos)
    1.59 +	{
    1.60 +	iWhiteLinePos = aWhiteLinePos;
    1.61 +	// Invalidate the redrawing
    1.62 +	Invalidate();
    1.63 +	}
    1.64 +
    1.65 +void CWsBufferGraphicDrawer::DoDraw(MWsGc& aGc, const TRect& aRect, const TDesC8& /*aData*/) const
    1.66 +	{
    1.67 +	MWsGraphicsContext* context = static_cast<MWsGraphicsContext*>(aGc.ResolveObjectInterface(KMWsGraphicsContext));
    1.68 +	
    1.69 +	//Draw a filled rect with the chosen color
    1.70 +	context->Push();
    1.71 +	context->SetBrushStyle(MWsGraphicsContext::ESolidBrush);
    1.72 +	context->SetBrushColor(KRgbBlue);
    1.73 +	context->DrawRect(aRect);
    1.74 +	context->Pop();
    1.75 +	
    1.76 +	//Obtain access to the screen/OSB buffer
    1.77 +	MWsUiBuffer* buffer = static_cast<MWsUiBuffer*>(aGc.ResolveObjectInterface(KMWsUiBufferInterfaceId));
    1.78 +	TAny* data;
    1.79 +	TInt stride;
    1.80 +	
    1.81 +	TInt err = buffer->MapReadWrite(data, stride);
    1.82 +	
    1.83 +	if (err == KErrNone)
    1.84 +		{
    1.85 +		//Fill the chosen line with white
    1.86 +		TUint8* scanLine = static_cast<TUint8*>(data);
    1.87 +		scanLine += stride * iWhiteLinePos;
    1.88 +		Mem::Fill(scanLine, stride, 0xFF);
    1.89 +	
    1.90 +		buffer->Unmap();
    1.91 +		}
    1.92 +	}