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LibWeb: Implement Flex and FlexStyleValue types

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Sam Atkins 2023-09-28 15:18:14 +01:00 • committed by Sam Atkins
parent f1d7ea67c0
commit b0317bb3a1
15 changed files with 258 additions and 6 deletions
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59
Userland/Libraries/LibWeb/CSS/Flex.cpp Normal file
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/*
* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "Flex.h"
#include <LibWeb/CSS/Percentage.h>
namespace Web::CSS {
Flex::Flex(double value, Type type)
: m_type(type)
, m_value(value)
{
}
Flex Flex::make_fr(double value)
{
return { value, Type::Fr };
}
Flex Flex::percentage_of(Percentage const& percentage) const
{
return Flex { percentage.as_fraction() * m_value, m_type };
}
String Flex::to_string() const
{
return MUST(String::formatted("{}fr", to_fr()));
}
double Flex::to_fr() const
{
switch (m_type) {
case Type::Fr:
return m_value;
}
VERIFY_NOT_REACHED();
}
StringView Flex::unit_name() const
{
switch (m_type) {
case Type::Fr:
return "fr"sv;
}
VERIFY_NOT_REACHED();
}
Optional<Flex::Type> Flex::unit_from_name(StringView name)
{
if (name.equals_ignoring_ascii_case("fr"sv))
return Type::Fr;
return {};
}
}