mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 19:37:35 +00:00
LibWeb: Implement CSS hypot()
This commit is contained in:
parent
0d30fb5a6e
commit
fa37bb8b76
4 changed files with 145 additions and 0 deletions
|
@ -1344,6 +1344,82 @@ ErrorOr<void> SqrtCalculationNode::dump(StringBuilder& builder, int indent) cons
|
|||
return {};
|
||||
}
|
||||
|
||||
ErrorOr<NonnullOwnPtr<HypotCalculationNode>> HypotCalculationNode::create(Vector<NonnullOwnPtr<Web::CSS::CalculationNode>> values)
|
||||
{
|
||||
return adopt_nonnull_own_or_enomem(new (nothrow) HypotCalculationNode(move(values)));
|
||||
}
|
||||
|
||||
HypotCalculationNode::HypotCalculationNode(Vector<NonnullOwnPtr<CalculationNode>> values)
|
||||
: CalculationNode(Type::Hypot)
|
||||
, m_values(move(values))
|
||||
{
|
||||
}
|
||||
|
||||
HypotCalculationNode::~HypotCalculationNode() = default;
|
||||
|
||||
ErrorOr<String> HypotCalculationNode::to_string() const
|
||||
{
|
||||
StringBuilder builder;
|
||||
TRY(builder.try_append("hypot("sv));
|
||||
for (size_t i = 0; i < m_values.size(); ++i) {
|
||||
if (i != 0)
|
||||
TRY(builder.try_append(", "sv));
|
||||
TRY(builder.try_append(TRY(m_values[i]->to_string())));
|
||||
}
|
||||
TRY(builder.try_append(")"sv));
|
||||
return builder.to_string();
|
||||
}
|
||||
|
||||
Optional<CalculatedStyleValue::ResolvedType> HypotCalculationNode::resolved_type() const
|
||||
{
|
||||
// NOTE: We check during parsing that all values have the same type.
|
||||
return m_values[0]->resolved_type();
|
||||
}
|
||||
|
||||
bool HypotCalculationNode::contains_percentage() const
|
||||
{
|
||||
for (auto const& value : m_values) {
|
||||
if (value->contains_percentage())
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
CalculatedStyleValue::CalculationResult HypotCalculationNode::resolve(Optional<Length::ResolutionContext const&> context, CalculatedStyleValue::PercentageBasis const& percentage_basis) const
|
||||
{
|
||||
double square_sum = 0.0;
|
||||
|
||||
for (auto const& value : m_values) {
|
||||
auto child_resolved = value->resolve(context, percentage_basis);
|
||||
auto child_value = resolve_value(child_resolved.value(), context);
|
||||
|
||||
square_sum += child_value * child_value;
|
||||
}
|
||||
|
||||
auto result = sqrt(square_sum);
|
||||
|
||||
return to_resolved_type(resolved_type().value(), result);
|
||||
}
|
||||
|
||||
ErrorOr<void> HypotCalculationNode::for_each_child_node(Function<ErrorOr<void>(NonnullOwnPtr<CalculationNode>&)> const& callback)
|
||||
{
|
||||
for (auto& value : m_values) {
|
||||
TRY(value->for_each_child_node(callback));
|
||||
TRY(callback(value));
|
||||
}
|
||||
|
||||
return {};
|
||||
}
|
||||
|
||||
ErrorOr<void> HypotCalculationNode::dump(StringBuilder& builder, int indent) const
|
||||
{
|
||||
TRY(builder.try_appendff("{: >{}}HYPOT:\n", "", indent));
|
||||
for (auto const& value : m_values)
|
||||
TRY(value->dump(builder, indent + 2));
|
||||
return {};
|
||||
}
|
||||
|
||||
void CalculatedStyleValue::CalculationResult::add(CalculationResult const& other, Optional<Length::ResolutionContext const&> context, PercentageBasis const& percentage_basis)
|
||||
{
|
||||
add_or_subtract_internal(SumOperation::Add, other, context, percentage_basis);
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue