LibWeb: Stub `SVGGraphicsElement` methods/attributes

This stubs the `SVGGraphicsElement.getBBox()` method and the
`.transform` attribute.

Userland/Libraries/LibWeb/SVG/SVGGraphicsElement.cpp

@@ -244,4 +244,18 @@ Optional<float> SVGGraphicsElement::stroke_width() const
     return width.to_px(*layout_node(), scaled_viewport_size).to_double();
 }
 
+JS::NonnullGCPtr<Geometry::DOMRect> SVGGraphicsElement::get_b_box(Optional<SVGBoundingBoxOptions>)
+{
+    dbgln("(STUBBED) SVGGraphicsElement::get_b_box(). Called on: {}", debug_description());
+    return Geometry::DOMRect::create(realm());
+}
+
+JS::NonnullGCPtr<SVGAnimatedTransformList> SVGGraphicsElement::transform() const
+{
+    dbgln("(STUBBED) SVGGraphicsElement::transform(). Called on: {}", debug_description());
+    auto base_val = SVGTransformList::create(realm());
+    auto anim_val = SVGTransformList::create(realm());
+    return SVGAnimatedTransformList::create(realm(), base_val, anim_val);
+}
+
 }

Userland/Libraries/LibWeb/SVG/SVGGraphicsElement.h

@@ -11,6 +11,7 @@
 #include <LibGfx/Path.h>
 #include <LibWeb/DOM/Node.h>
 #include <LibWeb/SVG/AttributeParser.h>
+#include <LibWeb/SVG/SVGAnimatedTransformList.h>
 #include <LibWeb/SVG/SVGElement.h>
 #include <LibWeb/SVG/SVGGradientElement.h>
 #include <LibWeb/SVG/TagNames.h>
@@ -18,6 +19,13 @@
 
 namespace Web::SVG {
 
+struct SVGBoundingBoxOptions {
+    bool fill { true };
+    bool stroke { false };
+    bool markers { false };
+    bool clipped { false };
+};
+
 class SVGGraphicsElement : public SVGElement {
     WEB_PLATFORM_OBJECT(SVGGraphicsElement, SVGElement);
 
@@ -46,9 +54,11 @@ public:
     Optional<Gfx::PaintStyle const&> stroke_paint_style(SVGPaintContext const&) const;
 
     JS::GCPtr<SVG::SVGMaskElement const> mask() const;
-
     JS::GCPtr<SVG::SVGClipPathElement const> clip_path() const;
 
+    JS::NonnullGCPtr<Geometry::DOMRect> get_b_box(Optional<SVGBoundingBoxOptions>);
+    JS::NonnullGCPtr<SVGAnimatedTransformList> transform() const;
+
 protected:
     SVGGraphicsElement(DOM::Document&, DOM::QualifiedName);
 

Userland/Libraries/LibWeb/SVG/SVGGraphicsElement.idl

@@ -1,7 +1,19 @@
 #import <SVG/SVGElement.idl>
+#import <Geometry/DOMRectReadOnly.idl>
+
+dictionary SVGBoundingBoxOptions {
+  boolean fill = true;
+  boolean stroke = false;
+  boolean markers = false;
+  boolean clipped = false;
+};
 
 // https://svgwg.org/svg2-draft/types.html#InterfaceSVGGraphicsElement
 [Exposed=Window]
 interface SVGGraphicsElement : SVGElement {
+  [SameObject] readonly attribute SVGAnimatedTransformList transform;
 
+  DOMRect getBBox(optional SVGBoundingBoxOptions options = {});
+  // FIXME: DOMMatrix? getCTM();
+  // FIXME: DOMMatrix? getScreenCTM();
 };