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70 lines
1.5 KiB
C++
70 lines
1.5 KiB
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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#include <LibWeb/Forward.h>
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namespace Web::CSS {
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class Angle {
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public:
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enum class Type {
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Deg,
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Grad,
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Rad,
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Turn,
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};
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static Optional<Type> unit_from_name(StringView);
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Angle(int value, Type type);
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Angle(double value, Type type);
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static Angle make_degrees(double);
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Angle percentage_of(Percentage const&) const;
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ErrorOr<String> to_string() const;
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double to_degrees() const;
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double to_radians() const;
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Type type() const { return m_type; }
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double raw_value() const { return m_value; }
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bool operator==(Angle const& other) const
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{
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return m_type == other.m_type && m_value == other.m_value;
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}
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int operator<=>(Angle const& other) const
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{
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auto this_degrees = to_degrees();
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auto other_degrees = other.to_degrees();
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if (this_degrees < other_degrees)
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return -1;
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if (this_degrees > other_degrees)
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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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StringView unit_name() const;
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Type m_type;
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double m_value { 0 };
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};
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}
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template<>
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struct AK::Formatter<Web::CSS::Angle> : Formatter<StringView> {
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ErrorOr<void> format(FormatBuilder& builder, Web::CSS::Angle const& angle)
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{
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return Formatter<StringView>::format(builder, TRY(angle.to_string()));
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}
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};
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