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LibWeb: Make 2D and 3D canvas rendering contexts GC-allocated

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This commit is contained in:
Andreas Kling 2022-09-02 15:53:02 +02:00
parent b8d485e6f0
commit 4452b5ca09
11 changed files with 107 additions and 61 deletions
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23
Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.h
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@ -7,14 +7,13 @@
#pragma once
#include <AK/RefCountForwarder.h>
#include <AK/Variant.h>
#include <LibGfx/AffineTransform.h>
#include <LibGfx/Color.h>
#include <LibGfx/Forward.h>
#include <LibGfx/Painter.h>
#include <LibGfx/Path.h>
#include <LibWeb/Bindings/Wrappable.h>
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/DOM/ExceptionOr.h>
#include <LibWeb/HTML/Canvas/CanvasDrawImage.h>
#include <LibWeb/HTML/Canvas/CanvasDrawPath.h>
@ -37,8 +36,7 @@ namespace Web::HTML {
using CanvasImageSource = Variant<JS::Handle<HTMLImageElement>, JS::Handle<HTMLCanvasElement>>;
class CanvasRenderingContext2D
: public RefCounted<CanvasRenderingContext2D>
, public Bindings::Wrappable
: public Bindings::PlatformObject
, public CanvasPath
, public CanvasState
, public CanvasTransform<CanvasRenderingContext2D>
@ -50,14 +48,11 @@ class CanvasRenderingContext2D
, public CanvasImageData
, public CanvasPathDrawingStyles<CanvasRenderingContext2D> {
AK_MAKE_NONCOPYABLE(CanvasRenderingContext2D);
AK_MAKE_NONMOVABLE(CanvasRenderingContext2D);
WEB_PLATFORM_OBJECT(CanvasRenderingContext2D, Bindings::PlatformObject);
public:
using WrapperType = Bindings::CanvasRenderingContext2DWrapper;
static NonnullRefPtr<CanvasRenderingContext2D> create(HTMLCanvasElement& element) { return adopt_ref(*new CanvasRenderingContext2D(element)); }
~CanvasRenderingContext2D();
static JS::NonnullGCPtr<CanvasRenderingContext2D> create(HTML::Window&, HTMLCanvasElement&);
virtual ~CanvasRenderingContext2D() override;
virtual void fill_rect(float x, float y, float width, float height) override;
virtual void stroke_rect(float x, float y, float width, float height) override;
@ -88,7 +83,9 @@ public:
virtual void clip() override;
private:
explicit CanvasRenderingContext2D(HTMLCanvasElement&);
explicit CanvasRenderingContext2D(HTML::Window&, HTMLCanvasElement&);
virtual void visit_edges(Cell::Visitor&) override;
struct PreparedTextGlyph {
unsigned int c;
@ -112,7 +109,7 @@ private:
void stroke_internal(Gfx::Path const&);
void fill_internal(Gfx::Path&, String const& fill_rule);
JS::Handle<HTMLCanvasElement> m_element;
JS::NonnullGCPtr<HTMLCanvasElement> m_element;
// https://html.spec.whatwg.org/multipage/canvas.html#concept-canvas-origin-clean
bool m_origin_clean { true };
@ -127,3 +124,5 @@ DOM::ExceptionOr<CanvasImageSourceUsability> check_usability_of_image(CanvasImag
bool image_is_not_origin_clean(CanvasImageSource const&);
}
WRAPPER_HACK(CanvasRenderingContext2D, Web::HTML)