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