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LibWeb: Add Flex::from_style_value method

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Callum Law 2026-03-31 23:26:04 +13:00 committed by Sam Atkins
parent 5807d201b7
commit 06b22d620d
2 changed files with 15 additions and 0 deletions
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13
Libraries/LibWeb/CSS/Flex.cpp
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@ -7,6 +7,8 @@
#include <LibWeb/CSS/Flex.h>
#include <LibWeb/CSS/Percentage.h>
#include <LibWeb/CSS/Serialize.h>
#include <LibWeb/CSS/StyleValues/CalculatedStyleValue.h>
#include <LibWeb/CSS/StyleValues/FlexStyleValue.h>
namespace Web::CSS {
@ -21,6 +23,17 @@ Flex Flex::make_fr(double value)
return { value, FlexUnit::Fr };
}
Flex Flex::from_style_value(NonnullRefPtr<StyleValue const> const& value)
{
if (value->is_flex())
return value->as_flex().flex();
if (value->is_calculated())
return value->as_calculated().resolve_flex({}).value();
VERIFY_NOT_REACHED();
}
Flex Flex::percentage_of(Percentage const& percentage) const
{
return Flex { percentage.as_fraction() * m_value, m_unit };

2
Libraries/LibWeb/CSS/Flex.h
View file

@ -19,6 +19,8 @@ class Flex {
public:
Flex(double value, FlexUnit unit);
static Flex make_fr(double);
static Flex from_style_value(NonnullRefPtr<StyleValue const> const&);
Flex percentage_of(Percentage const&) const;
void serialize(StringBuilder&, SerializationMode = SerializationMode::Normal) const;