extent.hpp

#pragma once
 
#include "terminalpp/core.hpp"
 
#include <iosfwd>
 
namespace terminalpp {
 
//* =========================================================================
//* =========================================================================
struct TERMINALPP_EXPORT extent
{
    //* =====================================================================
    //* =====================================================================
    constexpr extent() noexcept : width_(0), height_(0)
    {
    }
 
    //* =====================================================================
    //* =====================================================================
    constexpr extent(coordinate_type w, coordinate_type h) noexcept  // NOLINT
      : width_(w), height_(h)
    {
    }
 
    //* =====================================================================
    //* =====================================================================
    constexpr extent &operator+=(extent const &rhs) noexcept
    {
        width_ += rhs.width_;
        height_ += rhs.height_;
        return *this;
    }
 
    //* =====================================================================
    //* =====================================================================
    [[nodiscard]] constexpr friend auto operator+(
        extent lhs, extent const &rhs) noexcept
    {
        return lhs += rhs;
    }
 
    //* =====================================================================
    //* =====================================================================
    constexpr extent &operator-=(extent const &rhs) noexcept
    {
        width_ -= rhs.width_;
        height_ -= rhs.height_;
        return *this;
    }
 
    //* =====================================================================
    //* =====================================================================
    [[nodiscard]] constexpr friend auto operator-(
        extent lhs, extent const &rhs) noexcept
    {
        return lhs -= rhs;
    }
 
    //* =====================================================================
    //* =====================================================================
    [[nodiscard]] constexpr friend auto operator<=>(
        extent const &lhs, extent const &rhs) noexcept = default;
 
    coordinate_type width_;
    coordinate_type height_;
};
 
//* =====================================================================
//* =====================================================================
TERMINALPP_EXPORT
std::ostream &operator<<(std::ostream &out, extent const &ext);
 
}  // namespace terminalpp