Thickness.h

#pragma once
 
#include "IComparable.h"
#include "IToString.h"
#include <Windows.h>
#include <string>
#include <type_traits>
 
namespace sw
{
    struct Thickness : public IToString<Thickness>,
                       public IEqualityComparable<Thickness> {
        double left;
 
        double top;
 
        double right;
 
        double bottom;
 
        Thickness() = default;
 
        Thickness(double thickness);
 
        Thickness(double horizontal, double vertical);
 
        Thickness(double left, double top, double right, double bottom);
 
        Thickness(const RECT &rect);
 
        operator RECT() const;
 
        bool Equals(const Thickness &other) const;
 
        std::wstring ToString() const;
    };
 
    // Thickness应为POD类型
    static_assert(
        std::is_trivial<Thickness>::value && std::is_standard_layout<Thickness>::value,
        "Thickness should be a POD type.");
}