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LibWeb: Move Transformation::to_matrix to new CSV resolve methods

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This gains us 2 WPT passes as we now correctly disallow relative lengths
in more places in the `DOMMatrix` constructor.
This commit is contained in:
Callum Law 2025-07-17 00:27:13 +12:00 • committed by Jelle Raaijmakers
commit 3d7c5115d8
Notes: github-actions[bot] 2025-07-17 06:33:04 +00:00
3 changed files with 12 additions and 8 deletions
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4
Libraries/LibWeb/CSS/Parser/ValueParsing.cpp
View file

@ -3798,7 +3798,9 @@ RefPtr<CSSStyleValue const> Parser::parse_calculated_value(ComponentValue const&
// The scale family of functions treats percentages as numbers.
if (function.name.is_one_of_ignoring_ascii_case(
"scale"sv, "scalex"sv, "scaley"sv, "scalez"sv, "scale3d"sv)) {
return CalculationContext { .percentages_resolve_as = ValueType::Number };
// NOTE: Resolving percentages as numbers isn't supported by the spec and we instead expect the
// caller to handle the resolved value being a percentage.
return CalculationContext {};
}
// FIXME: Add other functions that provide a context for resolving values
return {};

8
Libraries/LibWeb/CSS/Transformation.cpp
View file

@ -43,7 +43,7 @@ ErrorOr<Gfx::FloatMatrix4x4> Transformation::to_matrix(Optional<Painting::Painta
return length.absolute_length_to_px().to_float();
}
if (value.is_calculated() && value.calculated()->resolves_to_length()) {
if (auto const& resolved = value.calculated()->resolve_length_deprecated(context); resolved->is_absolute())
if (auto const& resolved = value.calculated()->resolve_length(context); resolved.has_value() && resolved->is_absolute())
return resolved->absolute_length_to_px().to_float();
}
return Error::from_string_literal("Transform contains non absolute units");
@ -55,9 +55,11 @@ ErrorOr<Gfx::FloatMatrix4x4> Transformation::to_matrix(Optional<Painting::Painta
return value.percentage().as_fraction();
if (value.is_calculated()) {
if (value.calculated()->resolves_to_number())
return value.calculated()->resolve_number_deprecated(context).value();
if (auto resolved_number = value.calculated()->resolve_number(context); resolved_number.has_value())
return resolved_number.value();
if (value.calculated()->resolves_to_percentage())
return value.calculated()->resolve_percentage_deprecated(context)->as_fraction();
if (auto resolved_percentage = value.calculated()->resolve_percentage(context); resolved_percentage.has_value())
return resolved_percentage->as_fraction();
}
return Error::from_string_literal("Transform contains non absolute units");
});