ladybird/Userland/Libraries/LibWeb/SVG/SVGLineElement.cpp
Andreas Kling 18c54d8d40 LibJS: Make Cell::initialize() return void
Stop worrying about tiny OOMs.

Work towards #20405
2023-08-08 07:39:11 +02:00

106 lines
4.4 KiB
C++

/*
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/SVG/AttributeNames.h>
#include <LibWeb/SVG/AttributeParser.h>
#include <LibWeb/SVG/SVGLineElement.h>
namespace Web::SVG {
SVGLineElement::SVGLineElement(DOM::Document& document, DOM::QualifiedName qualified_name)
: SVGGeometryElement(document, qualified_name)
{
}
void SVGLineElement::initialize(JS::Realm& realm)
{
Base::initialize(realm);
set_prototype(&Bindings::ensure_web_prototype<Bindings::SVGLineElementPrototype>(realm, "SVGLineElement"));
}
void SVGLineElement::attribute_changed(DeprecatedFlyString const& name, DeprecatedString const& value)
{
SVGGeometryElement::attribute_changed(name, value);
if (name == SVG::AttributeNames::x1) {
m_x1 = AttributeParser::parse_coordinate(value);
m_path.clear();
} else if (name == SVG::AttributeNames::y1) {
m_y1 = AttributeParser::parse_coordinate(value);
m_path.clear();
} else if (name == SVG::AttributeNames::x2) {
m_x2 = AttributeParser::parse_coordinate(value);
m_path.clear();
} else if (name == SVG::AttributeNames::y2) {
m_y2 = AttributeParser::parse_coordinate(value);
m_path.clear();
}
}
Gfx::Path& SVGLineElement::get_path()
{
if (m_path.has_value())
return m_path.value();
Gfx::Path path;
float x1 = m_x1.value_or(0);
float y1 = m_y1.value_or(0);
float x2 = m_x2.value_or(0);
float y2 = m_y2.value_or(0);
// 1. perform an absolute moveto operation to absolute location (x1,y1)
path.move_to({ x1, y1 });
// 2. perform an absolute lineto operation to absolute location (x2,y2)
path.line_to({ x2, y2 });
m_path = move(path);
return m_path.value();
}
// https://www.w3.org/TR/SVG11/shapes.html#LineElementX1Attribute
JS::NonnullGCPtr<SVGAnimatedLength> SVGLineElement::x1() const
{
// FIXME: Populate the unit type when it is parsed (0 here is "unknown").
// FIXME: Create a proper animated value when animations are supported.
auto base_length = SVGLength::create(realm(), 0, m_x1.value_or(0)).release_value_but_fixme_should_propagate_errors();
auto anim_length = SVGLength::create(realm(), 0, m_x1.value_or(0)).release_value_but_fixme_should_propagate_errors();
return SVGAnimatedLength::create(realm(), move(base_length), move(anim_length)).release_value_but_fixme_should_propagate_errors();
}
// https://www.w3.org/TR/SVG11/shapes.html#LineElementY1Attribute
JS::NonnullGCPtr<SVGAnimatedLength> SVGLineElement::y1() const
{
// FIXME: Populate the unit type when it is parsed (0 here is "unknown").
// FIXME: Create a proper animated value when animations are supported.
auto base_length = SVGLength::create(realm(), 0, m_y1.value_or(0)).release_value_but_fixme_should_propagate_errors();
auto anim_length = SVGLength::create(realm(), 0, m_y1.value_or(0)).release_value_but_fixme_should_propagate_errors();
return SVGAnimatedLength::create(realm(), move(base_length), move(anim_length)).release_value_but_fixme_should_propagate_errors();
}
// https://www.w3.org/TR/SVG11/shapes.html#LineElementX2Attribute
JS::NonnullGCPtr<SVGAnimatedLength> SVGLineElement::x2() const
{
// FIXME: Populate the unit type when it is parsed (0 here is "unknown").
// FIXME: Create a proper animated value when animations are supported.
auto base_length = SVGLength::create(realm(), 0, m_x2.value_or(0)).release_value_but_fixme_should_propagate_errors();
auto anim_length = SVGLength::create(realm(), 0, m_x2.value_or(0)).release_value_but_fixme_should_propagate_errors();
return SVGAnimatedLength::create(realm(), move(base_length), move(anim_length)).release_value_but_fixme_should_propagate_errors();
}
// https://www.w3.org/TR/SVG11/shapes.html#LineElementY2Attribute
JS::NonnullGCPtr<SVGAnimatedLength> SVGLineElement::y2() const
{
// FIXME: Populate the unit type when it is parsed (0 here is "unknown").
// FIXME: Create a proper animated value when animations are supported.
auto base_length = SVGLength::create(realm(), 0, m_y2.value_or(0)).release_value_but_fixme_should_propagate_errors();
auto anim_length = SVGLength::create(realm(), 0, m_y2.value_or(0)).release_value_but_fixme_should_propagate_errors();
return SVGAnimatedLength::create(realm(), move(base_length), move(anim_length)).release_value_but_fixme_should_propagate_errors();
}
}