/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2022 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 KICAD_ELLIPSE_H
#define KICAD_ELLIPSE_H

#include <math/vector2d.h>
#include <geometry/eda_angle.h>

/**
 * This class was created to handle importing ellipses from other file formats that support them
 * natively.  The storage format and API may need to be refactored before this is used as part of a
 * potential future native KiCad ellipse.
 */

template <typename NumericType>
class ELLIPSE
{
public:
    ELLIPSE() = default;

    /**
     * Constructs an ellipse or elliptical arc.  The ellipse sweeps from aStartAngle to aEndAngle
     * in a counter-clockwise direction.
     *
     * @param aCenter is the center point of the ellipse.
     * @param aMajorRadius is the radius of the "x-axis" dimension of the ellipse.
     * @param aMinorRadius is the radius of the "y-axis" dimension of the ellipse.
     * @param aRotation is the angle of the ellipse "x-axis" relative to world x-axis.
     * @param aStartAngle is the starting angle of the elliptical arc.
     * @param aEndAngle is the ending angle of the elliptical arc.
     */
    ELLIPSE( const VECTOR2<NumericType>& aCenter, NumericType aMajorRadius,
             NumericType aMinorRadius, EDA_ANGLE aRotation, EDA_ANGLE aStartAngle = ANGLE_0,
             EDA_ANGLE aEndAngle = FULL_CIRCLE );

    /**
     * Constructs a DXF-style ellipse or elliptical arc, where the major axis is given by a point
     * rather than a radius, and therefore defines not only the major radius but also the rotation
     * of the ellipse.
     *
     * @param aCenter is the center point of the ellipse.
     * @param aMajor is the endpoint of the major axis, relative to the center.
     * @param aRatio is the ratio of the minor axis length to the major axis length.
     * @param aStartAngle is the starting angle of the elliptical arc.
     * @param aEndAngle is the ending angle of the elliptical arc.
     */
    ELLIPSE( const VECTOR2<NumericType>& aCenter, const VECTOR2<NumericType>& aMajor, double aRatio,
             EDA_ANGLE aStartAngle = ANGLE_0, EDA_ANGLE aEndAngle = FULL_CIRCLE );

    VECTOR2<NumericType> Center;
    NumericType MajorRadius;
    NumericType MinorRadius;
    EDA_ANGLE Rotation;
    EDA_ANGLE StartAngle;
    EDA_ANGLE EndAngle;

};

#endif //KICAD_ELLIPSE_H