1 files changed, 51 insertions, 0 deletions
diff --git a/Userland/Libraries/LibWeb/SVG/SVGPolylineElement.cpp b/Userland/Libraries/LibWeb/SVG/SVGPolylineElement.cpp
new file mode 100644
index 0000000000..a6a58dd2e3
--- /dev/null
+++ b/Userland/Libraries/LibWeb/SVG/SVGPolylineElement.cpp
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "SVGPolylineElement.h"
+#include <LibWeb/SVG/AttributeNames.h>
+#include <LibWeb/SVG/AttributeParser.h>
+
+namespace Web::SVG {
+
+SVGPolylineElement::SVGPolylineElement(DOM::Document& document, QualifiedName qualified_name)
+    : SVGGeometryElement(document, qualified_name)
+{
+}
+
+void SVGPolylineElement::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& SVGPolylineElement::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]);
+
+    m_path = move(path);
+    return m_path.value();
+}
+
+}