76daba3069
This matches the name in the CSS Typed OM spec. There's quite a lot still to do to make it match the spec behavior, but this is the first step.
44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
/*
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* Copyright (c) 2024, 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 "CSSOKLab.h"
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#include <AK/TypeCasts.h>
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#include <LibWeb/CSS/Serialize.h>
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#include <LibWeb/CSS/StyleValues/CSSMathValue.h>
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#include <LibWeb/CSS/StyleValues/NumberStyleValue.h>
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#include <LibWeb/CSS/StyleValues/PercentageStyleValue.h>
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namespace Web::CSS {
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Color CSSOKLab::to_color(Optional<Layout::NodeWithStyle const&>) const
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{
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auto const l_val = clamp(resolve_with_reference_value(m_properties.l, 1.0).value_or(0), 0, 1);
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auto const a_val = resolve_with_reference_value(m_properties.a, 0.4).value_or(0);
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auto const b_val = resolve_with_reference_value(m_properties.b, 0.4).value_or(0);
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auto const alpha_val = resolve_alpha(m_properties.alpha).value_or(1);
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return Color::from_oklab(l_val, a_val, b_val, alpha_val);
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}
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bool CSSOKLab::equals(CSSStyleValue const& other) const
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{
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if (type() != other.type())
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return false;
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auto const& other_color = other.as_color();
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if (color_type() != other_color.color_type())
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return false;
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auto const& other_oklab = verify_cast<CSSOKLab>(other_color);
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return m_properties == other_oklab.m_properties;
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}
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// https://www.w3.org/TR/css-color-4/#serializing-oklab-oklch
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String CSSOKLab::to_string() const
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{
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// FIXME: Do this properly, taking unresolved calculated values into account.
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return serialize_a_srgb_value(to_color({}));
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}
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}
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