ladybird/Userland/Libraries/LibWeb/SVG/SVGStopElement.cpp
MacDue b19d2634f6 LibWeb: Implement SVGStopElement (<stop>)
This is used to specify the color/position of color stops for SVG
gradients.
2023-04-28 09:42:28 +02:00

63 lines
1.9 KiB
C++

/*
* Copyright (c) 2023, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/CSS/Parser/Parser.h>
#include <LibWeb/CSS/StyleValues/IdentifierStyleValue.h>
#include <LibWeb/Layout/BlockContainer.h>
#include <LibWeb/SVG/AttributeNames.h>
#include <LibWeb/SVG/AttributeParser.h>
#include <LibWeb/SVG/SVGStopElement.h>
namespace Web::SVG {
SVGStopElement::SVGStopElement(DOM::Document& document, DOM::QualifiedName qualified_name)
: SVGElement(document, qualified_name)
{
}
void SVGStopElement::parse_attribute(DeprecatedFlyString const& name, DeprecatedString const& value)
{
SVGElement::parse_attribute(name, value);
if (name == SVG::AttributeNames::offset) {
m_offset = AttributeParser::parse_number_percentage(value);
}
}
void SVGStopElement::apply_presentational_hints(CSS::StyleProperties& style) const
{
CSS::Parser::ParsingContext parsing_context { document() };
for_each_attribute([&](auto& name, auto& value) {
if (name.equals_ignoring_ascii_case("stop-color"sv)) {
CSS::Parser::ParsingContext parsing_context { document() };
if (auto stop_color = parse_css_value(parsing_context, value, CSS::PropertyID::StopColor)) {
style.set_property(CSS::PropertyID::StopColor, stop_color.release_nonnull());
}
}
});
}
Gfx::Color SVGStopElement::stop_color() const
{
if (auto css_values = computed_css_values())
return css_values->stop_color();
return Color::Black;
}
JS::NonnullGCPtr<SVGAnimatedNumber> SVGStopElement::offset() const
{
TODO();
}
JS::ThrowCompletionOr<void> SVGStopElement::initialize(JS::Realm& realm)
{
MUST_OR_THROW_OOM(Base::initialize(realm));
set_prototype(&Bindings::ensure_web_prototype<Bindings::SVGStopElementPrototype>(realm, "SVGStopElement"));
return {};
}
}