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39 lines
992 B
C++
39 lines
992 B
C++
/*
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* Copyright (c) 2022-2025, Sam Atkins <sam@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "Ratio.h"
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#include <LibWeb/CSS/Serialize.h>
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#include <math.h>
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namespace Web::CSS {
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Ratio::Ratio(double first, double second)
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: m_first_value(first)
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, m_second_value(second)
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{
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}
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// https://www.w3.org/TR/css-values-4/#degenerate-ratio
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bool Ratio::is_degenerate() const
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{
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return !isfinite(m_first_value) || m_first_value == 0
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|| !isfinite(m_second_value) || m_second_value == 0;
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}
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String Ratio::to_string() const
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{
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// https://drafts.csswg.org/cssom/#serialize-a-css-value
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// -> <ratio>
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// The numerator serialized as per <number> followed by the literal string " / ", followed by the denominator
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// serialized as per <number>.
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StringBuilder builder;
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serialize_a_number(builder, m_first_value);
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builder.append(" / "sv);
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serialize_a_number(builder, m_second_value);
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return builder.to_string_without_validation();
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}
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}
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