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54 lines
2.1 KiB
C++
54 lines
2.1 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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// https://drafts.css-houdini.org/css-typed-om-1/#csshwb
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class CSSHWB final : public CSSColorValue {
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public:
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static ValueComparingNonnullRefPtr<CSSHWB const> create(ValueComparingNonnullRefPtr<CSSStyleValue const> h, ValueComparingNonnullRefPtr<CSSStyleValue const> w, ValueComparingNonnullRefPtr<CSSStyleValue const> b, ValueComparingRefPtr<CSSStyleValue const> 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) CSSHWB(move(h), move(w), move(b), NumberStyleValue::create(1)));
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return adopt_ref(*new (nothrow) CSSHWB(move(h), move(w), move(b), alpha.release_nonnull()));
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}
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virtual ~CSSHWB() override = default;
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CSSStyleValue const& h() const { return *m_properties.h; }
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CSSStyleValue const& w() const { return *m_properties.w; }
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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 Color to_color(Optional<Layout::NodeWithStyle const&>) const override;
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virtual String to_string(SerializationMode) const override;
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virtual bool equals(CSSStyleValue const& other) const override;
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private:
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CSSHWB(ValueComparingNonnullRefPtr<CSSStyleValue const> h, ValueComparingNonnullRefPtr<CSSStyleValue const> w, ValueComparingNonnullRefPtr<CSSStyleValue const> b, ValueComparingNonnullRefPtr<CSSStyleValue const> alpha)
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: CSSColorValue(ColorType::HWB, ColorSyntax::Modern)
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, m_properties { .h = move(h), .w = move(w), .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 const> h;
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ValueComparingNonnullRefPtr<CSSStyleValue const> w;
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ValueComparingNonnullRefPtr<CSSStyleValue const> b;
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ValueComparingNonnullRefPtr<CSSStyleValue const> 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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}
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