circle.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2021 Roberto Fernandez Bautista <[email protected]>
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef __CIRCLE_H
#define __CIRCLE_H
 
#include <math/vector2d.h> // for VECTOR2I
#include <vector>          // for std::vector
 
class SEG;

class CIRCLE
{
public:
    CIRCLE();
 
    CIRCLE( const VECTOR2I& aCenter, int aRadius );
 
    CIRCLE( const CIRCLE& aOther );
 
    bool operator==( const CIRCLE& aOther ) const = default;

    CIRCLE& ConstructFromTanTanPt( const SEG& aLineA, const SEG& aLineB, const VECTOR2I& aP );

    bool Contains( const VECTOR2I& aP ) const;

    VECTOR2I NearestPoint( const VECTOR2I& aP ) const;

    VECTOR2D NearestPoint( const VECTOR2D& aP ) const;

    std::vector<VECTOR2I> Intersect( const CIRCLE& aCircle ) const;

    std::vector<VECTOR2I> Intersect( const SEG& aSeg ) const;

    std::vector<VECTOR2I> IntersectLine( const SEG& aLine ) const;

    bool Contains( const VECTOR2I& aP );
 
    int      Radius; 
    VECTOR2I Center; 
};
 
#endif // __CIRCLE_H