ladybird/Libraries/LibWeb/SVG/SVGFEDisplacementMapElement.cpp

100 lines
3.5 KiB
C++

/*
* Copyright (c) 2026, Luke Wilde <luke@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/SVGFEDisplacementMapElementPrototype.h>
#include <LibWeb/CSS/Parser/Parser.h>
#include <LibWeb/Layout/Node.h>
#include <LibWeb/SVG/SVGAnimatedEnumeration.h>
#include <LibWeb/SVG/SVGFEDisplacementMapElement.h>
namespace Web::SVG {
GC_DEFINE_ALLOCATOR(SVGFEDisplacementMapElement);
SVGFEDisplacementMapElement::SVGFEDisplacementMapElement(DOM::Document& document, DOM::QualifiedName qualified_name)
: SVGElement(document, qualified_name)
{
}
void SVGFEDisplacementMapElement::initialize(JS::Realm& realm)
{
WEB_SET_PROTOTYPE_FOR_INTERFACE(SVGFEDisplacementMapElement);
Base::initialize(realm);
}
void SVGFEDisplacementMapElement::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
SVGFilterPrimitiveStandardAttributes::visit_edges(visitor);
visitor.visit(m_in1);
visitor.visit(m_in2);
visitor.visit(m_scale);
visitor.visit(m_x_channel_selector);
visitor.visit(m_y_channel_selector);
}
// https://drafts.csswg.org/filter-effects/#dom-svgfedisplacementmapelement-in1
GC::Ref<SVGAnimatedString> SVGFEDisplacementMapElement::in1()
{
if (!m_in1)
m_in1 = SVGAnimatedString::create(realm(), *this, DOM::QualifiedName { AttributeNames::in, OptionalNone {}, OptionalNone {} });
return *m_in1;
}
// https://drafts.csswg.org/filter-effects/#dom-svgfedisplacementmapelement-in2
GC::Ref<SVGAnimatedString> SVGFEDisplacementMapElement::in2()
{
if (!m_in2)
m_in2 = SVGAnimatedString::create(realm(), *this, DOM::QualifiedName { AttributeNames::in2, OptionalNone {}, OptionalNone {} });
return *m_in2;
}
// https://drafts.csswg.org/filter-effects/#dom-svgfedisplacementmapelement-scale
GC::Ref<SVGAnimatedNumber> SVGFEDisplacementMapElement::scale()
{
if (!m_scale)
m_scale = SVGAnimatedNumber::create(realm(), *this, DOM::QualifiedName { AttributeNames::scale, OptionalNone {}, OptionalNone {} }, 0.f);
return *m_scale;
}
// https://drafts.csswg.org/filter-effects/#element-attrdef-fedisplacementmap-xchannelselector
static SVGFEDisplacementMapElement::ChannelSelector parse_channel_selector(String const& value)
{
if (value == "R"sv)
return SVGFEDisplacementMapElement::ChannelSelector::Red;
if (value == "G"sv)
return SVGFEDisplacementMapElement::ChannelSelector::Green;
if (value == "B"sv)
return SVGFEDisplacementMapElement::ChannelSelector::Blue;
if (value == "A"sv)
return SVGFEDisplacementMapElement::ChannelSelector::Alpha;
return SVGFEDisplacementMapElement::ChannelSelector::Alpha;
}
// https://drafts.csswg.org/filter-effects/#dom-svgfedisplacementmapelement-xchannelselector
GC::Ref<SVGAnimatedEnumeration> SVGFEDisplacementMapElement::x_channel_selector() const
{
// FIXME: Support reflection, don't return a new object every time.
auto x_channel_selector = parse_channel_selector(get_attribute_value(AttributeNames::xChannelSelector));
return SVGAnimatedEnumeration::create(realm(), to_underlying(x_channel_selector));
}
// https://drafts.csswg.org/filter-effects/#dom-svgfedisplacementmapelement-ychannelselector
GC::Ref<SVGAnimatedEnumeration> SVGFEDisplacementMapElement::y_channel_selector() const
{
// FIXME: Support reflection, don't return a new object every time.
auto y_channel_selector = parse_channel_selector(get_attribute_value(AttributeNames::yChannelSelector));
return SVGAnimatedEnumeration::create(realm(), to_underlying(y_channel_selector));
}
}