134 lines
3.6 KiB
C++
134 lines
3.6 KiB
C++
/*! \file pirect.h
|
|
* \ingroup Math
|
|
* \brief
|
|
* \~english Two-dimensional line class
|
|
* \~russian Класс отрезка двумерной линии
|
|
* * \~\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 line 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 PILINE_H
|
|
#define PILINE_H
|
|
|
|
#include "pipoint.h"
|
|
|
|
template<typename Type>
|
|
class PIP_EXPORT PILine {
|
|
static_assert(std::is_arithmetic<Type>::value, "Type must be arithmetic");
|
|
public:
|
|
PIPoint<Type> p0;
|
|
PIPoint<Type> p1;
|
|
|
|
PILine() {}
|
|
|
|
PILine(const PIPoint<Type> & p0_, const PIPoint<Type> & p1_) {
|
|
p0 = p0_;
|
|
p1 = p1_;
|
|
}
|
|
|
|
PILine(Type x0, Type y0, Type x1, Type y1) {
|
|
p0.set(x0, y0);
|
|
p1.set(x1, y1);
|
|
}
|
|
|
|
PILine<Type> & set(const PIPoint<Type> & p0_, const PIPoint<Type> & p1_) {
|
|
p0 = p0_;
|
|
p1 = p1_;
|
|
return *this;
|
|
}
|
|
|
|
PILine<Type> & set(Type x0, Type y0, Type x1, Type y1) {
|
|
p0.set(x0, y0);
|
|
p1.set(x1, y1);
|
|
return *this;
|
|
}
|
|
|
|
bool isEmpty() const {
|
|
return (p0 == p1);
|
|
}
|
|
|
|
Type width() const {return piAbs<Type>(p1.x - p0.x);}
|
|
Type height() const {return piAbs<Type>(p1.y - p0.y);}
|
|
|
|
PILine<Type> & translate(Type x, Type y) {
|
|
p0.translate(x, y);
|
|
p1.translate(x, y);
|
|
return *this;
|
|
}
|
|
PILine<Type> & translate(const PIPoint<Type> & p) {
|
|
p0.translate(p);
|
|
p1.translate(p);
|
|
return *this;
|
|
}
|
|
PILine<Type> translated(Type x, Type y) const {
|
|
PILine<Type> l(*this);
|
|
l.translate(x, y);
|
|
return l;
|
|
}
|
|
PILine<Type> translated(const PIPoint<Type> & p) const {
|
|
PILine<Type> l(*this);
|
|
l.translate(p);
|
|
return l;
|
|
}
|
|
PILine<Type> & move(Type x, Type y) {return translate(x, y);}
|
|
PILine<Type> & move(const PIPoint<Type> & p) {return translate(p);}
|
|
PILine<Type> moved(Type x, Type y) const {
|
|
PILine<Type> l(*this);
|
|
l.translate(x, y);
|
|
return l;
|
|
}
|
|
PILine<Type> moved(const PIPoint<Type> & p) const {
|
|
PILine<Type> l(*this);
|
|
l.translate(p);
|
|
return l;
|
|
}
|
|
|
|
void operator +=(Type x) {translate(x, x);}
|
|
void operator +=(const PIPoint<Type> & p) {translate(p);}
|
|
void operator -=(Type x) {translate(-x, -x);}
|
|
void operator -=(const PIPoint<Type> & p) {translate(-p);}
|
|
PILine<Type> operator +(const PIPoint<Type> & p) {return translated(p);}
|
|
PILine<Type> operator -(const PIPoint<Type> & p) {return translated(-p);}
|
|
bool operator ==(const PILine<Type> & r) const {return (p0 == r.p0 && p1 == r.p1);}
|
|
bool operator !=(const PILine<Type> & r) const {return (p1 != r.p1 || p1 != r.p1);}
|
|
};
|
|
|
|
|
|
|
|
template<typename Type>
|
|
PICout operator <<(PICout & s, const PILine<Type> & v) {
|
|
s.setControl(0, true);
|
|
s << "Line{" << v.p0 << ", " << v.p1 << "}";
|
|
s.restoreControl();
|
|
return s;
|
|
}
|
|
|
|
typedef PILine<int> PILinei;
|
|
typedef PILine<uint> PILineu;
|
|
typedef PILine<float> PILinef;
|
|
typedef PILine<double> PILined;
|
|
|
|
#endif // PILINE_H
|