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LibWeb: Allow calc() values in cubic-bezier() easing functions

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Tim Ledbetter 2025-06-17 22:51:54 +01:00 • committed by Jelle Raaijmakers
parent c5a3eaaf45
commit fa1e02e5d7
Notes: github-actions[bot] 2025-06-18 06:58:15 +00:00
5 changed files with 58 additions and 31 deletions
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27
Libraries/LibWeb/CSS/Parser/ValueParsing.cpp
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@ -2621,19 +2621,30 @@ RefPtr<CSSStyleValue const> Parser::parse_easing_value(TokenStream<ComponentValu
for (auto const& argument : comma_separated_arguments) {
if (argument.size() != 1)
return nullptr;
if (!argument[0].is(Token::Type::Number))
return nullptr;
}
EasingStyleValue::CubicBezier bezier {
comma_separated_arguments[0][0].token().number_value(),
comma_separated_arguments[1][0].token().number_value(),
comma_separated_arguments[2][0].token().number_value(),
comma_separated_arguments[3][0].token().number_value(),
auto parse_argument = [this, &comma_separated_arguments](auto index) {
TokenStream<ComponentValue> argument_tokens { comma_separated_arguments[index] };
return parse_number(argument_tokens);
};
if (bezier.x1 < 0.0 || bezier.x1 > 1.0 || bezier.x2 < 0.0 || bezier.x2 > 1.0)
auto x1 = parse_argument(0);
auto y1 = parse_argument(1);
auto x2 = parse_argument(2);
auto y2 = parse_argument(3);
if (!x1.has_value() || !y1.has_value() || !x2.has_value() || !y2.has_value())
return nullptr;
if (!x1->is_calculated() && (x1->value() < 0.0 || x1->value() > 1.0))
return nullptr;
if (!x2->is_calculated() && (x2->value() < 0.0 || x2->value() > 1.0))
return nullptr;
EasingStyleValue::CubicBezier bezier {
x1.release_value(),
y1.release_value(),
x2.release_value(),
y2.release_value(),
};
transaction.commit();
return EasingStyleValue::create(bezier);