ellipse.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * 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 <https://www.gnu.org/licenses/>.
 */
 
#ifndef KICAD_ELLIPSE_H
#define KICAD_ELLIPSE_H
 
#include <math/vector2d.h>
#include <geometry/eda_angle.h>
#include <core/mirror.h>

 
template <typename NumericType>
class ELLIPSE
{
public:
    ELLIPSE() :
            MajorRadius( 0 ),
            MinorRadius( 0 )
    {
    }

    ELLIPSE( const VECTOR2<NumericType>& aCenter, NumericType aMajorRadius,
             NumericType aMinorRadius, EDA_ANGLE aRotation, EDA_ANGLE aStartAngle = ANGLE_0,
             EDA_ANGLE aEndAngle = FULL_CIRCLE );

    ELLIPSE( const VECTOR2<NumericType>& aCenter, const VECTOR2<NumericType>& aMajor, double aRatio,
             EDA_ANGLE aStartAngle = ANGLE_0, EDA_ANGLE aEndAngle = FULL_CIRCLE );

    void Mirror( const VECTOR2<NumericType>& aRef, FLIP_DIRECTION aFlipDirection );

    EDA_ANGLE GetSubtendedAngle() const;

    VECTOR2<NumericType> GetPointAtAngle( EDA_ANGLE angle ) const;

    VECTOR2<NumericType> GetArcStartPoint() const { return GetPointAtAngle( StartAngle ); }

    VECTOR2<NumericType> GetArcEndPoint() const { return GetPointAtAngle( EndAngle ); }

    EDA_ANGLE GetAngleAtPoint( const VECTOR2<NumericType>& aPt ) const;
 
    VECTOR2<NumericType> Center;
    NumericType MajorRadius;
    NumericType MinorRadius;
    EDA_ANGLE Rotation;
    EDA_ANGLE StartAngle;
    EDA_ANGLE EndAngle;
 
};
 
#endif //KICAD_ELLIPSE_H