geometry.hpp

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#pragma once
 
#include <cstddef>
 
namespace epaper {
 
struct Point {
  std::size_t x; 
  std::size_t y; 
 
  constexpr Point() noexcept : x(0), y(0) {}
 
  constexpr Point(std::size_t x_coord, std::size_t y_coord) noexcept : x(x_coord), y(y_coord) {}
 
  [[nodiscard]] constexpr auto translate(const Point &offset) const noexcept -> Point {
    return Point{x + offset.x, y + offset.y};
  }
 
  [[nodiscard]] constexpr auto operator==(const Point &other) const noexcept -> bool {
    return x == other.x && y == other.y;
  }
 
  [[nodiscard]] constexpr auto operator!=(const Point &other) const noexcept -> bool { return !(*this == other); }
};
 
struct Size {
  std::size_t width;  
  std::size_t height; 
 
  constexpr Size() noexcept : width(0), height(0) {}
 
  constexpr Size(std::size_t w, std::size_t h) noexcept : width(w), height(h) {}
 
  [[nodiscard]] constexpr auto area() const noexcept -> std::size_t { return width * height; }
 
  [[nodiscard]] constexpr auto operator==(const Size &other) const noexcept -> bool {
    return width == other.width && height == other.height;
  }
 
  [[nodiscard]] constexpr auto operator!=(const Size &other) const noexcept -> bool { return !(*this == other); }
};
 
} // namespace epaper