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// Copyright (c) 2008-2009 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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/**
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@file
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@test
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@internalComponent - Internal Symbian test code
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*/
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#include "bufferdrawer.h"
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#include <s32mem.h>
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#include <s32strm.h>
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#include <fbs.h>
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#include <bitdev.h>
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#include <bitstd.h>
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#include <graphics/wsgraphicscontext.h>
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#include <graphics/wsuibuffer.h>
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// CWsGraphicDrawer
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CWsBufferGraphicDrawer* CWsBufferGraphicDrawer::NewL()
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{
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return new(ELeave) CWsBufferGraphicDrawer;
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}
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CWsBufferGraphicDrawer::~CWsBufferGraphicDrawer()
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{
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}
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void CWsBufferGraphicDrawer::ConstructL(MWsGraphicDrawerEnvironment& aEnv, const TGraphicDrawerId& aId, MWsClient& aOwner, const TDesC8& /*aData*/)
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{
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BaseConstructL(aEnv, aId, aOwner);
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// default white line number
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iWhiteLinePos = 0;
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}
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void CWsBufferGraphicDrawer::HandleMessage(const TDesC8& aData)
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{
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TInt linePos = aData[0];
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DoUpdateWhiteLinePos(linePos);
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}
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void CWsBufferGraphicDrawer::DoUpdateWhiteLinePos(TInt aWhiteLinePos)
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{
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iWhiteLinePos = aWhiteLinePos;
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// Invalidate the redrawing
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Invalidate();
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}
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void CWsBufferGraphicDrawer::DoDraw(MWsGc& aGc, const TRect& aRect, const TDesC8& /*aData*/) const
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{
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MWsGraphicsContext* context = static_cast<MWsGraphicsContext*>(aGc.ResolveObjectInterface(KMWsGraphicsContext));
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//Draw a filled rect with the chosen color
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context->Push();
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context->SetBrushStyle(MWsGraphicsContext::ESolidBrush);
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context->SetBrushColor(KRgbBlue);
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context->DrawRect(aRect);
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context->Pop();
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//Obtain access to the screen/OSB buffer
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MWsUiBuffer* buffer = static_cast<MWsUiBuffer*>(aGc.ResolveObjectInterface(KMWsUiBufferInterfaceId));
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TAny* data;
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TInt stride;
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TInt err = buffer->MapReadWrite(data, stride);
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if (err == KErrNone)
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{
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//Fill the chosen line with white
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TUint8* scanLine = static_cast<TUint8*>(data);
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scanLine += stride * iWhiteLinePos;
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Mem::Fill(scanLine, stride, 0xFF);
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buffer->Unmap();
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}
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}
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