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83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
/*
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* Copyright (c) 2023, MacDue <macdue@dueutil.tech>
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* Copyright (c) 2025, Jelle Raaijmakers <jelle@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/Bindings/SVGStopElementPrototype.h>
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#include <LibWeb/CSS/ComputedProperties.h>
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#include <LibWeb/CSS/Parser/Parser.h>
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#include <LibWeb/SVG/AttributeNames.h>
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#include <LibWeb/SVG/SVGStopElement.h>
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namespace Web::SVG {
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GC_DEFINE_ALLOCATOR(SVGStopElement);
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SVGStopElement::SVGStopElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: SVGElement(document, qualified_name)
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{
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}
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bool SVGStopElement::is_presentational_hint(FlyString const& name) const
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{
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if (Base::is_presentational_hint(name))
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return true;
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return first_is_one_of(name, SVG::AttributeNames::stopColor, SVG::AttributeNames::stopOpacity);
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}
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void SVGStopElement::apply_presentational_hints(GC::Ref<CSS::CascadedProperties> cascaded_properties) const
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{
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CSS::Parser::ParsingParams parsing_context { document() };
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for_each_attribute([&](auto& name, auto& value) {
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CSS::Parser::ParsingParams parsing_context { document() };
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if (name == SVG::AttributeNames::stopColor) {
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if (auto stop_color = parse_css_value(parsing_context, value, CSS::PropertyID::StopColor)) {
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::StopColor, stop_color.release_nonnull());
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}
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} else if (name == SVG::AttributeNames::stopOpacity) {
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if (auto stop_opacity = parse_css_value(parsing_context, value, CSS::PropertyID::StopOpacity)) {
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cascaded_properties->set_property_from_presentational_hint(CSS::PropertyID::StopOpacity, stop_opacity.release_nonnull());
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}
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}
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});
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}
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Gfx::Color SVGStopElement::stop_color() const
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{
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if (auto computed_properties = this->computed_properties())
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return computed_properties->stop_color();
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return Color::Black;
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}
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float SVGStopElement::stop_opacity() const
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{
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if (auto computed_properties = this->computed_properties())
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return computed_properties->stop_opacity();
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return 1;
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}
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// https://svgwg.org/svg2-draft/pservers.html#StopElementOffsetAttribute
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GC::Ref<SVGAnimatedNumber> SVGStopElement::offset()
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{
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if (!m_stop_offset)
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m_stop_offset = SVGAnimatedNumber::create(realm(), *this, AttributeNames::offset, 0.f);
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return *m_stop_offset;
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}
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void SVGStopElement::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(SVGStopElement);
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Base::initialize(realm);
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}
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void SVGStopElement::visit_edges(Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_stop_offset);
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}
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}
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