/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2013 CERN
 * @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#ifndef __SHAPE_CIRCLE_H
#define __SHAPE_CIRCLE_H

#include "shape.h"

class SHAPE_CIRCLE : public SHAPE {

public:
	SHAPE_CIRCLE(): 
		SHAPE( SH_CIRCLE ), m_radius( 0 ) {};
			
	SHAPE_CIRCLE( const VECTOR2I& aCenter, int aRadius ): 
		SHAPE( SH_CIRCLE ), m_radius( aRadius ), m_center( aCenter ) {};

	~SHAPE_CIRCLE() {};

	const BOX2I BBox( int aClearance = 0 ) const
	{
		const VECTOR2I rc( m_radius + aClearance, m_radius + aClearance );
		return BOX2I( m_center - rc, rc * 2 );
	}

	bool Collide( const SEG& aSeg, int aClearance = 0 ) const
	{
		int rc = aClearance + m_radius;
		return aSeg.Distance( m_center ) <= rc;
	}

	void SetRadius( int aRadius )
	{
		m_radius = aRadius;
	}

	void SetCenter( const VECTOR2I& aCenter )
	{
		m_center = aCenter;
	}

	int GetRadius() const 
	{
		return m_radius;
	}

	const VECTOR2I GetCenter() const
	{
		return m_center;
	}
private:
	int m_radius;
	VECTOR2I m_center;
};

#endif
