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LibWeb: Parse and store filter property

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This shares its implementation with `backdrop-filter`.
This commit is contained in:
Jelle Raaijmakers 2024-10-25 11:00:22 +02:00 • committed by Andreas Kling
commit 29974de852
Notes: github-actions[bot] 2024-10-26 09:28:54 +00:00
14 changed files with 104 additions and 75 deletions
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19
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@ -5156,7 +5156,7 @@ RefPtr<CSSStyleValue> Parser::parse_filter_value_list_value(TokenStream<Componen
auto filter_token_to_operation = [&](auto filter) {
VERIFY(to_underlying(filter) < to_underlying(FilterToken::Blur));
return static_cast<Filter::Color::Operation>(filter);
return static_cast<FilterOperation::Color::Type>(filter);
};
auto parse_number_percentage = [&](auto& token) -> Optional<NumberPercentage> {
@ -5205,13 +5205,13 @@ RefPtr<CSSStyleValue> Parser::parse_filter_value_list_value(TokenStream<Componen
if (filter_token == FilterToken::Blur) {
// blur( <length>? )
if (!tokens.has_next_token())
return Filter::Blur {};
return FilterOperation::Blur {};
auto blur_radius = parse_length(tokens);
tokens.discard_whitespace();
if (!blur_radius.has_value())
return {};
// FIXME: Support calculated radius
return if_no_more_tokens_return(Filter::Blur { blur_radius->value() });
return if_no_more_tokens_return(FilterOperation::Blur { blur_radius->value() });
} else if (filter_token == FilterToken::DropShadow) {
if (!tokens.has_next_token())
return {};
@ -5240,17 +5240,17 @@ RefPtr<CSSStyleValue> Parser::parse_filter_value_list_value(TokenStream<Componen
}
}
// FIXME: Support calculated offsets and radius
return if_no_more_tokens_return(Filter::DropShadow { x_offset->value(), y_offset->value(), maybe_radius.map([](auto& it) { return it.value(); }), maybe_color->to_color({}) });
return if_no_more_tokens_return(FilterOperation::DropShadow { x_offset->value(), y_offset->value(), maybe_radius.map([](auto& it) { return it.value(); }), maybe_color->to_color({}) });
} else if (filter_token == FilterToken::HueRotate) {
// hue-rotate( [ <angle> | <zero> ]? )
if (!tokens.has_next_token())
return Filter::HueRotate {};
return FilterOperation::HueRotate {};
auto& token = tokens.consume_a_token();
if (token.is(Token::Type::Number)) {
// hue-rotate(0)
auto number = token.token().number();
if (number.is_integer() && number.integer_value() == 0)
return if_no_more_tokens_return(Filter::HueRotate { Filter::HueRotate::Zero {} });
return if_no_more_tokens_return(FilterOperation::HueRotate { FilterOperation::HueRotate::Zero {} });
return {};
}
if (!token.is(Token::Type::Dimension))
@ -5261,7 +5261,7 @@ RefPtr<CSSStyleValue> Parser::parse_filter_value_list_value(TokenStream<Componen
if (!angle_unit.has_value())
return {};
Angle angle { angle_value, angle_unit.release_value() };
return if_no_more_tokens_return(Filter::HueRotate { angle });
return if_no_more_tokens_return(FilterOperation::HueRotate { angle });
} else {
// Simple filters:
// brightness( <number-percentage>? )
@ -5272,11 +5272,11 @@ RefPtr<CSSStyleValue> Parser::parse_filter_value_list_value(TokenStream<Componen
// sepia( <number-percentage>? )
// saturate( <number-percentage>? )
if (!tokens.has_next_token())
return Filter::Color { filter_token_to_operation(filter_token) };
return FilterOperation::Color { filter_token_to_operation(filter_token) };
auto amount = parse_number_percentage(tokens.consume_a_token());
if (!amount.has_value())
return {};
return if_no_more_tokens_return(Filter::Color { filter_token_to_operation(filter_token), *amount });
return if_no_more_tokens_return(FilterOperation::Color { filter_token_to_operation(filter_token), *amount });
}
};
@ -7860,6 +7860,7 @@ Parser::ParseErrorOr<NonnullRefPtr<CSSStyleValue>> Parser::parse_css_value(Prope
return parsed_value.release_nonnull();
return ParseError::SyntaxError;
case PropertyID::BackdropFilter:
case PropertyID::Filter:
if (auto parsed_value = parse_filter_value_list_value(tokens); parsed_value && !tokens.has_next_token())
return parsed_value.release_nonnull();
return ParseError::SyntaxError;