mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 19:52:45 +00:00
34c5043cbe
This allows us to retain perfect precision for aspect ratios derived from either the intrinsic sizes of replaced elements, or the `aspect-ratio` CSS property.
46 lines
990 B
C++
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 };
|
|
};
|
|
|
|
}
|