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LibWeb: Add resolving calc() to a number/integer/percentage

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None of these require any outside metrics, which is nice! I believe the
Values-4 spec would have us simplify them down into a single value at
parse time, but that's a yak for another day.
This commit is contained in:
Sam Atkins 2022-01-27 15:46:24 +00:00 • committed by Andreas Kling
parent e111e8e44e
commit 2407a03fd9
2 changed files with 27 additions and 0 deletions
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24
Userland/Libraries/LibWeb/CSS/StyleValue.cpp
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@ -416,6 +416,30 @@ Optional<LengthPercentage> CalculatedStyleValue::resolve_length_percentage(Layou
});
}
Optional<Percentage> CalculatedStyleValue::resolve_percentage() const
{
auto result = m_expression->resolve(nullptr, {});
if (result.value().has<Percentage>())
return result.value().get<Percentage>();
return {};
}
Optional<float> CalculatedStyleValue::resolve_number()
{
auto result = m_expression->resolve(nullptr, {});
if (result.value().has<float>())
return result.value().get<float>();
return {};
}
Optional<i64> CalculatedStyleValue::resolve_integer()
{
auto result = m_expression->resolve(nullptr, {});
if (result.value().has<float>())
return lroundf(result.value().get<float>());
return {};
}
static bool is_number(CalculatedStyleValue::ResolvedType type)
{
return type == CalculatedStyleValue::ResolvedType::Number || type == CalculatedStyleValue::ResolvedType::Integer;