/*

* Copyright (c) 1997-1999 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 <gdi.h>

#include <coedef.h>

#include "lafgrip.h"

void TLafGrip::Draw(CGraphicsContext& aGc, const TRect& aRect) const

// Draw the grip (centred) in the given TRect using the given Gc (presumed active)

	{

	const TBool horizontal=((iData&EOrientationMask)==EHorizontal);

	const TInt width=aRect.Width();

	const TInt height=aRect.Height();

	TInt gripLength=width;

	TInt lineLength=height;

	if (horizontal)

		{

		gripLength=height;

		lineLength=width;

		}

	TInt numOfLines=0;

	while (gripLength>=ELineWidth)

		{

		++numOfLines;

		gripLength-=(ELineWidth+ESpaceBetweenLines);

		}

	const TInt offset=(gripLength+ESpaceBetweenLines)/2;

	const TPoint posOne=((horizontal)? TPoint(0,1): TPoint(1,0));

	const TPoint negOne=((horizontal)? TPoint(0,-1): TPoint(-1,0));

	const TPoint posLine=((horizontal)? TPoint(lineLength-1,0): TPoint(0,lineLength-1));

	const TPoint negLine=((horizontal)? TPoint(-(lineLength-1),0): TPoint(0,-(lineLength-1)));

	const TPoint gripToGrip=((horizontal)? TPoint(0, ESpaceBetweenLines+ELineWidth): TPoint(ESpaceBetweenLines+ELineWidth, 0));

	TPoint ref=aRect.iTl+((horizontal)? TPoint(0,ELineWidth+offset) : TPoint(ELineWidth+offset,0));

	aGc.SetPenStyle(CGraphicsContext::ESolidPen);

	for (TInt i=0; i<numOfLines;i++)

		{

		aGc.MoveTo(ref-posOne);

		aGc.SetPenColor(KRgbWhite);

		aGc.DrawLineBy(negOne);

		aGc.DrawLineBy(posLine);

		aGc.SetPenColor(KRgbBlack);

		aGc.DrawLineBy(posOne);

		aGc.DrawLineBy(negLine);

		ref+=gripToGrip;

		}

	}