ladybird/Libraries/LibWeb/Layout/ImageProvider.h
Andreas Kling 77abe2a84d LibWeb: Allow ImageProvider subclasses to visit additional GC edges
More prep work for CSS content:image.
2025-07-28 22:46:27 +02:00

39 lines
980 B
C++

/*
* Copyright (c) 2023, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGC/Cell.h>
#include <LibGfx/Size.h>
#include <LibWeb/Forward.h>
#include <LibWeb/PixelUnits.h>
namespace Web::Layout {
class ImageProvider {
public:
virtual ~ImageProvider() { }
virtual bool is_image_available() const = 0;
virtual Optional<CSSPixels> intrinsic_width() const = 0;
virtual Optional<CSSPixels> intrinsic_height() const = 0;
virtual Optional<CSSPixelFraction> intrinsic_aspect_ratio() const = 0;
virtual RefPtr<Gfx::ImmutableBitmap> current_image_bitmap(Gfx::IntSize) const = 0;
virtual void set_visible_in_viewport(bool) = 0;
virtual void image_provider_visit_edges(GC::Cell::Visitor& visitor) const
{
visitor.visit(to_html_element());
}
protected:
virtual GC::Ptr<DOM::Element const> to_html_element() const = 0;
static void did_update_alt_text(ImageBox&);
};
}