// SPDX-License-Identifier: BSD-3-Clause

// Arc.h
// Copyright 2011, Dan Heeks
// This program is released under the BSD license. See the file COPYING for details.

#pragma once

#include "Point.h"

class CArc
{
public:
    Point m_s;
    Point m_e;
    Point m_c;
    bool m_dir;  // true - anti-clockwise, false - clockwise
    int m_user_data;

    CArc()
        : m_dir(true)
        , m_user_data(0)
    {}
    CArc(const Point& s, const Point& e, const Point& c, bool dir, int user_data)
        : m_s(s)
        , m_e(e)
        , m_c(c)
        , m_dir(dir)
        , m_user_data(user_data)
    {}

    void SetDirWithPoint(const Point& p);  // set m_dir, such that this point lies between m_s and m_e
    double IncludedAngle() const;          // always > 0
    bool AlmostALine() const;
    Point MidParam(double param) const;
    void GetSegments(void (*callbackfunc)(const double* p), double pixels_per_mm) const;
};