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LibWeb: Add SVG <polygon> element and test case :^)

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Sam Atkins 2022-02-11 17:36:05 +00:00 • committed by Andreas Kling
parent 116a1f485c
commit 2fad940b0b
10 changed files with 114 additions and 1 deletions
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11
Base/res/html/misc/svg.html
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@ -11,7 +11,7 @@
</style>
</head>
<body>
<svg width="800" height="1000">
<svg width="800" height="1200">
<path d="M 10 10 h 100 l -50 80 z" fill="green" stroke="black" stroke-width="3"></path>
<path d="M 60 10 h 100 l -50 80 z" fill="red" stroke="blue" stroke-width="3"></path>
<path d="M 110 10 h 100 l -50 80 z" class="css"></path>
@ -75,6 +75,15 @@
375,850 375,750 425,750 425,850
475,850 475,725 525,725 525,850
575,850" />
<!-- Based on https://svgwg.org/svg2-draft/shapes.html#PolygonElement -->
<polygon fill="red" stroke="blue" stroke-width="10"
points="150,875 179,961 269,961 197,1015
223,1101 150,1050 77,1101 103,1015
31,961 121,961" />
<polygon fill="lime" stroke="blue" stroke-width="10"
points="450,875 558,937.5 558,1062.5
450,1125 342,1062.6 342,937.5" />
</svg>
</body>
</html>

4
Userland/Libraries/LibWeb/Bindings/NodeWrapperFactory.cpp
View file

@ -86,6 +86,7 @@
#include <LibWeb/Bindings/SVGEllipseElementWrapper.h>
#include <LibWeb/Bindings/SVGLineElementWrapper.h>
#include <LibWeb/Bindings/SVGPathElementWrapper.h>
#include <LibWeb/Bindings/SVGPolygonElementWrapper.h>
#include <LibWeb/Bindings/SVGPolylineElementWrapper.h>
#include <LibWeb/Bindings/SVGRectElementWrapper.h>
#include <LibWeb/Bindings/SVGSVGElementWrapper.h>
@ -165,6 +166,7 @@
#include <LibWeb/SVG/SVGEllipseElement.h>
#include <LibWeb/SVG/SVGLineElement.h>
#include <LibWeb/SVG/SVGPathElement.h>
#include <LibWeb/SVG/SVGPolygonElement.h>
#include <LibWeb/SVG/SVGPolylineElement.h>
#include <LibWeb/SVG/SVGRectElement.h>
#include <LibWeb/SVG/SVGSVGElement.h>
@ -325,6 +327,8 @@ NodeWrapper* wrap(JS::GlobalObject& global_object, DOM::Node& node)
return static_cast<NodeWrapper*>(wrap_impl(global_object, verify_cast<SVG::SVGEllipseElement>(node)));
if (is<SVG::SVGLineElement>(node))
return static_cast<NodeWrapper*>(wrap_impl(global_object, verify_cast<SVG::SVGLineElement>(node)));
if (is<SVG::SVGPolygonElement>(node))
return static_cast<NodeWrapper*>(wrap_impl(global_object, verify_cast<SVG::SVGPolygonElement>(node)));
if (is<SVG::SVGPolylineElement>(node))
return static_cast<NodeWrapper*>(wrap_impl(global_object, verify_cast<SVG::SVGPolylineElement>(node)));
if (is<SVG::SVGPathElement>(node))

3
Userland/Libraries/LibWeb/Bindings/WindowObjectHelper.h
View file

@ -261,6 +261,8 @@
#include <LibWeb/Bindings/SVGLineElementPrototype.h>
#include <LibWeb/Bindings/SVGPathElementConstructor.h>
#include <LibWeb/Bindings/SVGPathElementPrototype.h>
#include <LibWeb/Bindings/SVGPolygonElementConstructor.h>
#include <LibWeb/Bindings/SVGPolygonElementPrototype.h>
#include <LibWeb/Bindings/SVGPolylineElementConstructor.h>
#include <LibWeb/Bindings/SVGPolylineElementPrototype.h>
#include <LibWeb/Bindings/SVGRectElementConstructor.h>
@ -448,6 +450,7 @@
ADD_WINDOW_OBJECT_INTERFACE(SVGGraphicsElement) \
ADD_WINDOW_OBJECT_INTERFACE(SVGLineElement) \
ADD_WINDOW_OBJECT_INTERFACE(SVGPathElement) \
ADD_WINDOW_OBJECT_INTERFACE(SVGPolygonElement) \
ADD_WINDOW_OBJECT_INTERFACE(SVGPolylineElement) \
ADD_WINDOW_OBJECT_INTERFACE(SVGRectElement) \
ADD_WINDOW_OBJECT_INTERFACE(SVGSVGElement) \

2
Userland/Libraries/LibWeb/CMakeLists.txt
View file

@ -274,6 +274,7 @@ set(SOURCES
SVG/SVGCircleElement.cpp
SVG/SVGEllipseElement.cpp
SVG/SVGLineElement.cpp
SVG/SVGPolygonElement.cpp
SVG/SVGPolylineElement.cpp
SVG/SVGRectElement.cpp
SVG/SVGSVGElement.cpp
@ -521,6 +522,7 @@ libweb_js_wrapper(SVG/SVGCircleElement)
libweb_js_wrapper(SVG/SVGEllipseElement)
libweb_js_wrapper(SVG/SVGLineElement)
libweb_js_wrapper(SVG/SVGPathElement)
libweb_js_wrapper(SVG/SVGPolygonElement)
libweb_js_wrapper(SVG/SVGPolylineElement)
libweb_js_wrapper(SVG/SVGRectElement)
libweb_js_wrapper(SVG/SVGSVGElement)

3
Userland/Libraries/LibWeb/DOM/ElementFactory.cpp
View file

@ -81,6 +81,7 @@
#include <LibWeb/SVG/SVGGElement.h>
#include <LibWeb/SVG/SVGLineElement.h>
#include <LibWeb/SVG/SVGPathElement.h>
#include <LibWeb/SVG/SVGPolygonElement.h>
#include <LibWeb/SVG/SVGPolylineElement.h>
#include <LibWeb/SVG/SVGRectElement.h>
#include <LibWeb/SVG/SVGSVGElement.h>
@ -247,6 +248,8 @@ NonnullRefPtr<Element> create_element(Document& document, const FlyString& tag_n
return adopt_ref(*new SVG::SVGLineElement(document, move(qualified_name)));
if (lowercase_tag_name == SVG::TagNames::path)
return adopt_ref(*new SVG::SVGPathElement(document, move(qualified_name)));
if (lowercase_tag_name == SVG::TagNames::polygon)
return adopt_ref(*new SVG::SVGPolygonElement(document, move(qualified_name)));
if (lowercase_tag_name == SVG::TagNames::polyline)
return adopt_ref(*new SVG::SVGPolylineElement(document, move(qualified_name)));
if (lowercase_tag_name == SVG::TagNames::rect)

2
Userland/Libraries/LibWeb/Forward.h
View file

@ -251,6 +251,7 @@ class SVGGeometryElement;
class SVGGraphicsElement;
class SVGLineElement;
class SVGPathElement;
class SVGPolygonElement;
class SVGPolylineElement;
class SVGRectElement;
class SVGSVGElement;
@ -461,6 +462,7 @@ class SVGGeometryElementWrapper;
class SVGGraphicsElementWrapper;
class SVGLineElementWrapper;
class SVGPathElementWrapper;
class SVGPolygonElementWrapper;
class SVGPolylineElementWrapper;
class SVGRectElementWrapper;
class SVGSVGElementWrapper;

54
Userland/Libraries/LibWeb/SVG/SVGPolygonElement.cpp Normal file
View file

@ -0,0 +1,54 @@
/*
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "SVGPolygonElement.h"
#include <LibWeb/SVG/AttributeNames.h>
#include <LibWeb/SVG/AttributeParser.h>
namespace Web::SVG {
SVGPolygonElement::SVGPolygonElement(DOM::Document& document, QualifiedName qualified_name)
: SVGGeometryElement(document, qualified_name)
{
}
void SVGPolygonElement::parse_attribute(FlyString const& name, String const& value)
{
SVGGeometryElement::parse_attribute(name, value);
if (name == SVG::AttributeNames::points) {
m_points = AttributeParser::parse_points(value);
m_path.clear();
}
}
Gfx::Path& SVGPolygonElement::get_path()
{
if (m_path.has_value())
return m_path.value();
Gfx::Path path;
if (m_points.is_empty()) {
m_path = move(path);
return m_path.value();
}
// 1. perform an absolute moveto operation to the first coordinate pair in the list of points
path.move_to(m_points.first());
// 2. for each subsequent coordinate pair, perform an absolute lineto operation to that coordinate pair.
for (size_t point_index = 1; point_index < m_points.size(); ++point_index)
path.line_to(m_points[point_index]);
// 3. perform a closepath command
path.close();
m_path = move(path);
return m_path.value();
}
}

30
Userland/Libraries/LibWeb/SVG/SVGPolygonElement.h Normal file
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@ -0,0 +1,30 @@
/*
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/SVG/SVGGeometryElement.h>
namespace Web::SVG {
class SVGPolygonElement final : public SVGGeometryElement {
public:
using WrapperType = Bindings::SVGPolygonElementWrapper;
SVGPolygonElement(DOM::Document&, QualifiedName);
virtual ~SVGPolygonElement() override = default;
virtual void parse_attribute(FlyString const& name, String const& value) override;
virtual Gfx::Path& get_path() override;
private:
Optional<Gfx::Path> m_path;
Vector<Gfx::FloatPoint> m_points;
};
}

5
Userland/Libraries/LibWeb/SVG/SVGPolygonElement.idl Normal file
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@ -0,0 +1,5 @@
[Exposed=Window]
interface SVGPolygonElement : SVGGeometryElement {
};
// SVGPolygonElement includes SVGAnimatedPoints;

1
Userland/Libraries/LibWeb/SVG/TagNames.h
View file

@ -16,6 +16,7 @@ namespace Web::SVG::TagNames {
__ENUMERATE_SVG_TAG(g) \
__ENUMERATE_SVG_TAG(line) \
__ENUMERATE_SVG_TAG(path) \
__ENUMERATE_SVG_TAG(polygon) \
__ENUMERATE_SVG_TAG(polyline) \
__ENUMERATE_SVG_TAG(rect) \
__ENUMERATE_SVG_TAG(svg)