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63 lines
2.4 KiB
C++
63 lines
2.4 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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#pragma once
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#include <LibWeb/CSS/StyleValues/CSSColorValue.h>
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#include <LibWeb/CSS/StyleValues/NumberStyleValue.h>
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namespace Web::CSS {
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class CSSLabLike : public CSSColorValue {
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public:
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virtual ~CSSLabLike() override = default;
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CSSStyleValue const& l() const { return *m_properties.l; }
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CSSStyleValue const& a() const { return *m_properties.a; }
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CSSStyleValue const& b() const { return *m_properties.b; }
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CSSStyleValue const& alpha() const { return *m_properties.alpha; }
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virtual bool equals(CSSStyleValue const& other) const override;
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protected:
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CSSLabLike(ColorType color_type, ValueComparingNonnullRefPtr<CSSStyleValue> l, ValueComparingNonnullRefPtr<CSSStyleValue> a, ValueComparingNonnullRefPtr<CSSStyleValue> b, ValueComparingNonnullRefPtr<CSSStyleValue> alpha)
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: CSSColorValue(color_type)
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, m_properties { .l = move(l), .a = move(a), .b = move(b), .alpha = move(alpha) }
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{
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}
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struct Properties {
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ValueComparingNonnullRefPtr<CSSStyleValue> l;
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ValueComparingNonnullRefPtr<CSSStyleValue> a;
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ValueComparingNonnullRefPtr<CSSStyleValue> b;
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ValueComparingNonnullRefPtr<CSSStyleValue> alpha;
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bool operator==(Properties const&) const = default;
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} m_properties;
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};
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// https://drafts.css-houdini.org/css-typed-om-1/#cssoklab
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class CSSOKLab final : public CSSLabLike {
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public:
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static ValueComparingNonnullRefPtr<CSSOKLab> create(ValueComparingNonnullRefPtr<CSSStyleValue> l, ValueComparingNonnullRefPtr<CSSStyleValue> a, ValueComparingNonnullRefPtr<CSSStyleValue> b, ValueComparingRefPtr<CSSStyleValue> alpha = {})
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{
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// alpha defaults to 1
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if (!alpha)
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return adopt_ref(*new (nothrow) CSSOKLab(move(l), move(a), move(b), NumberStyleValue::create(1)));
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return adopt_ref(*new (nothrow) CSSOKLab(move(l), move(a), move(b), alpha.release_nonnull()));
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}
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virtual Color to_color(Optional<Layout::NodeWithStyle const&>) const override;
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virtual String to_string() const override;
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private:
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CSSOKLab(ValueComparingNonnullRefPtr<CSSStyleValue> l, ValueComparingNonnullRefPtr<CSSStyleValue> a, ValueComparingNonnullRefPtr<CSSStyleValue> b, ValueComparingNonnullRefPtr<CSSStyleValue> alpha)
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: CSSLabLike(ColorType::OKLab, move(l), move(a), move(b), move(alpha))
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{
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}
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};
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}
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