File indexing completed on 2024-09-08 03:45:23

 /*
     SPDX-FileCopyrightText: 2007 Paolo Capriotti <p.capriotti@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "coord.h"
 
 Coord::Coord(int x, int y)
 : x(x)
 , y(y)
 {
 }
 
 Coord Coord::operator+(const Coord& other) const
 {
     return Coord(x + other.x, y + other.y);
 }
 
 Coord Coord::operator-(const Coord& other) const
 {
     return Coord(x - other.x, y - other.y);
 }
 
 Coord Coord::operator*(int n) const
 {
     return Coord(x * n, y * n);
 }
 
 Coord& Coord::operator+=(const Coord& other)
 {
     x += other.x;
     y += other.y;
     return *this;
 }
 
 Coord& Coord::operator-=(const Coord& other)
 {
     x -= other.x;
     y -= other.y;
     return *this;
 }
 
 bool Coord::operator==(const Coord& other) const
 {
     return x == other.x && y == other.y;
 }
 
 bool Coord::operator!=(const Coord& other) const
 {
     return !operator==(other);
 }
 
 bool Coord::valid() const
 {
     return x != -1 && y != -1;
 }
 
 Coord Coord::invalid()
 {
     return Coord(-1, -1);
 }
 
 QDebug& operator<<(QDebug& os, const Coord& c)
 {
     os << "(" << c.x << "," << c.y << ")";
     return os;
 }
 
 uint qHash(const Coord& c)
 {
     return (uint) c.x * 100 + c.y;
 }