Point.h

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#pragma once
 
using pix_amount = unsigned int;
 
namespace Graph_lib {
 
struct Point {
  inline Point() : x{0}, y{0} {}
 
  inline constexpr Point(pix_amount _x, pix_amount _y) : x{_x}, y{_y} {}
 
  // methods
 
  inline Point& operator+=(Point d) {
    x += d.x;
    y += d.y;
    return *this;
  }
 
  inline Point& operator-=(Point d) {
    x -= d.x;
    y -= d.y;
    return *this;
  }
 
  // ~methods
 
  // vars
 
  pix_amount x, y;
 
  // ~vars
};
 
inline Point operator+(Point a, Point b) { return a += b; }
 
inline Point operator-(Point a, Point b) { return a -= b; }
 
inline bool operator==(Point a, Point b) { return a.x == b.x && a.y == b.y; }
 
inline bool operator!=(Point a, Point b) { return !(a == b); }
 
}  // namespace Graph_lib