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pip/libs/main/math/pipoint.h
2022-03-18 18:06:40 +03:00

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3.3 KiB
C++

/*! \file pipoint.h
* \ingroup Math
* \brief
* \~english Two-dimensional point class
* \~russian Класс двумерной точки
* \~\authors
* \~english
* Ivan Pelipenko peri4ko@yandex.ru;
* Andrey Bychkov work.a.b@yandex.ru;
* \~russian
* Иван Пелипенко peri4ko@yandex.ru;
* Андрей Бычков work.a.b@yandex.ru;
*/
/*
PIP - Platform Independent Primitives
Two-dimensional point class
Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PIPOINT_H
#define PIPOINT_H
#include "pimathbase.h"
/*! \brief
* \~english Two-dimensional point class
* \~russian Класс двумерной точки
*/
template<typename Type>
class PIP_EXPORT PIPoint {
static_assert(std::is_arithmetic<Type>::value, "Type must be arithmetic");
public:
Type x;
Type y;
PIPoint() {x = y = Type();}
PIPoint(Type x_, Type y_) {set(x_, y_);}
PIPoint<Type> & set(Type x_, Type y_) {
x = x_;
y = y_;
return *this;
}
PIPoint<Type> & set(const PIPoint<Type> & p) {
x = p.x;
y = p.y;
return *this;
}
PIPoint<Type> & translate(Type x_, Type y_) {
x += x_;
y += y_;
return *this;
}
PIPoint<Type> & translate(const PIPoint<Type> & p) {
x += p.x;
y += p.y;
return *this;
}
PIPoint<Type> & move(Type x_, Type y_) {return translate(x_, y_);}
PIPoint<Type> & move(const PIPoint<Type> & p) {return translate(p);}
double angleRad() const {return atan2(y, x);}
double angleDeg() const {return toDeg(atan2(y, x));}
PIPoint<Type> toPolar(bool isDeg = false) const {return PIPoint<Type>(sqrt(x*x + y*y), isDeg ? angleDeg() : angleRad());}
static PIPoint<Type> fromPolar(const PIPoint<Type> & p) {return PIPoint<Type>(p.y * cos(p.x), p.y * sin(p.x));}
void operator +=(const PIPoint<Type> & p) {translate(p);}
PIPoint<Type> operator +(const PIPoint<Type> & p) {return PIPoint<Type>(x + p.x, y + p.y);}
PIPoint<Type> operator +(const Type & p) {return PIPoint<Type>(x + p, y + p);}
PIPoint<Type> operator -(const PIPoint<Type> & p) {return PIPoint<Type>(x - p.x, y - p.y);}
PIPoint<Type> operator -(const Type & p) {return PIPoint<Type>(x - p, y - p);}
PIPoint<Type> operator -() {return PIPoint<Type>(-x, -y);}
bool operator ==(const PIPoint<Type> & p) const {return (x == p.x && y == p.y);}
bool operator !=(const PIPoint<Type> & p) const {return (x != p.x || y != p.y);}
};
template<typename Type>
PICout operator <<(PICout & s, const PIPoint<Type> & v) {
s.setControl(0, true);
s << "Point{" << v.x << ", " << v.y << "}";
s.restoreControl();
return s;
}
typedef PIPoint<int> PIPointi;
typedef PIPoint<uint> PIPointu;
typedef PIPoint<float> PIPointf;
typedef PIPoint<double> PIPointd;
#endif // PIPOINT_H