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LibWeb: Implement CSS Resolution class
This corresponds to `<resolution>` in the grammar.
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46
Userland/Libraries/LibWeb/CSS/Resolution.h
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46
Userland/Libraries/LibWeb/CSS/Resolution.h
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/*
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* Copyright (c) 2022, 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 Resolution {
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public:
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enum class Type {
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Dpi,
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Dpcm,
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Dppx,
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};
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static Optional<Type> unit_from_name(StringView);
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Resolution(int value, Type type);
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Resolution(float value, Type type);
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String to_string() const;
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float to_dots_per_pixel() const;
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bool operator==(Resolution 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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bool operator!=(Resolution const& other) const
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{
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return !(*this == other);
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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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float m_value { 0 };
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};
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}
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