ladybird/Libraries/LibWeb/CSS/Ratio.h

46 lines
990 B
C++

/*
* Copyright (c) 2022-2023, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/String.h>
namespace Web::CSS {
// https://www.w3.org/TR/css-values-4/#ratios
class Ratio {
public:
Ratio(double first, double second = 1);
double numerator() const { return m_first_value; }
double denominator() const { return m_second_value; }
double value() const { return m_first_value / m_second_value; }
bool is_degenerate() const;
String to_string() const;
bool operator==(Ratio const& other) const
{
return value() == other.value();
}
int operator<=>(Ratio const& other) const
{
auto this_value = value();
auto other_value = other.value();
if (this_value < other_value)
return -1;
if (this_value > other_value)
return 1;
return 0;
}
private:
double m_first_value { 0 };
double m_second_value { 1 };
};
}