LibWeb: Implement <feOffset> SVG filter

Author: https://github.com/gmta Commit: 1377dba7af Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5742
2025-12-07 21:59:54 +00:00 · 2025-08-06 13:53:50 +02:00 · 2025-08-06 13:53:50 +02:00 · 1377dba7af · 2025-08-07 14:43:35 +00:00
commit 1377dba7af
parent 89b59cb5c3
11 changed files with 141 additions and 0 deletions
--- a/Libraries/LibWeb/SVG/SVGFEOffsetElement.h
+++ b/Libraries/LibWeb/SVG/SVGFEOffsetElement.h
@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2025, Jelle Raaijmakers <jelle@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/SVG/SVGAnimatedNumber.h>
+#include <LibWeb/SVG/SVGAnimatedString.h>
+#include <LibWeb/SVG/SVGElement.h>
+#include <LibWeb/SVG/SVGFilterPrimitiveStandardAttributes.h>
+
+namespace Web::SVG {
+
+// https://www.w3.org/TR/filter-effects-1/#svgfeoffsetelement
+class SVGFEOffsetElement final
+    : public SVGElement
+    , public SVGFilterPrimitiveStandardAttributes<SVGFEOffsetElement> {
+    WEB_PLATFORM_OBJECT(SVGFEOffsetElement, SVGElement);
+    GC_DECLARE_ALLOCATOR(SVGFEOffsetElement);
+
+public:
+    virtual ~SVGFEOffsetElement() override = default;
+
+    GC::Ref<SVGAnimatedString> in1();
+    GC::Ref<SVGAnimatedNumber> dx();
+    GC::Ref<SVGAnimatedNumber> dy();
+
+private:
+    SVGFEOffsetElement(DOM::Document&, DOM::QualifiedName);
+
+    virtual void initialize(JS::Realm&) override;
+    virtual void visit_edges(Cell::Visitor&) override;
+
+    GC::Ptr<SVGAnimatedString> m_in1;
+    GC::Ptr<SVGAnimatedNumber> m_dx;
+    GC::Ptr<SVGAnimatedNumber> m_dy;
+};
+
+}