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LibWeb/CSS: Implement CSSMatrixComponent

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Equivalent to the matrix() and matrix3d() transform functions.

+19 WPT subtests.
This commit is contained in:
Sam Atkins
2025-09-16 11:50:00 +01:00
parent 2ffbb284f2
commit a1db5e7789
Notes: github-actions[bot] 2025-09-24 11:28:54 +00:00 
Author: https://github.com/AtkinsSJ
Commit: https://github.com/LadybirdBrowser/ladybird/commit/a1db5e77899
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/6227
12 changed files with 175 additions and 25 deletions
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45
Libraries/LibWeb/CSS/CSSMatrixComponent.h Normal file
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/*
* Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/CSSTransformComponent.h>
namespace Web::CSS {
// https://drafts.css-houdini.org/css-typed-om-1/#dictdef-cssmatrixcomponentoptions
struct CSSMatrixComponentOptions {
Optional<bool> is2d;
};
// https://drafts.css-houdini.org/css-typed-om-1/#cssmatrixcomponent
class CSSMatrixComponent final : public CSSTransformComponent {
WEB_PLATFORM_OBJECT(CSSMatrixComponent, CSSTransformComponent);
GC_DECLARE_ALLOCATOR(CSSMatrixComponent);
public:
[[nodiscard]] static GC::Ref<CSSMatrixComponent> create(JS::Realm&, Is2D, GC::Ref<Geometry::DOMMatrix>);
static WebIDL::ExceptionOr<GC::Ref<CSSMatrixComponent>> construct_impl(JS::Realm&, GC::Ref<Geometry::DOMMatrixReadOnly>, Optional<CSSMatrixComponentOptions> = {});
virtual ~CSSMatrixComponent() override;
virtual WebIDL::ExceptionOr<Utf16String> to_string() const override;
virtual WebIDL::ExceptionOr<GC::Ref<Geometry::DOMMatrix>> to_matrix() const override;
GC::Ref<Geometry::DOMMatrix> matrix() const { return m_matrix; }
WebIDL::ExceptionOr<void> set_matrix(GC::Ref<Geometry::DOMMatrix> matrix);
private:
explicit CSSMatrixComponent(JS::Realm&, Is2D, GC::Ref<Geometry::DOMMatrix>);
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(Visitor&) override;
GC::Ref<Geometry::DOMMatrix> m_matrix;
};
}