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https://github.com/RGBCube/serenity
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84e7216603
Having this here instead of in ReplacedBox means we can access it when figuring out what the "preferred aspect ratio" is. There's some inconsistency between specs about what this is called, but they're moving towards referring to this as "natural width/height/ aspect-ratio", so let's copy that terminology.
73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/*
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* Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/OwnPtr.h>
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#include <LibGfx/Rect.h>
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#include <LibJS/Heap/Cell.h>
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#include <LibWeb/Layout/Node.h>
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namespace Web::Layout {
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struct LineBoxFragmentCoordinate {
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size_t line_box_index { 0 };
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size_t fragment_index { 0 };
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};
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class Box : public NodeWithStyleAndBoxModelMetrics {
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JS_CELL(Box, NodeWithStyleAndBoxModelMetrics);
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public:
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Painting::PaintableBox const* paintable_box() const;
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virtual void set_needs_display() override;
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bool is_body() const;
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// https://www.w3.org/TR/css-images-3/#natural-dimensions
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Optional<CSSPixels> natural_width() const { return m_natural_width; }
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Optional<CSSPixels> natural_height() const { return m_natural_height; }
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Optional<float> natural_aspect_ratio() const { return m_natural_aspect_ratio; }
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bool has_natural_width() const { return natural_width().has_value(); }
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bool has_natural_height() const { return natural_height().has_value(); }
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bool has_natural_aspect_ratio() const { return natural_aspect_ratio().has_value(); }
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void set_natural_width(Optional<CSSPixels> width) { m_natural_width = width; }
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void set_natural_height(Optional<CSSPixels> height) { m_natural_height = height; }
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void set_natural_aspect_ratio(Optional<float> ratio) { m_natural_aspect_ratio = ratio; }
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virtual ~Box() override;
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virtual void did_set_content_size() { }
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virtual JS::GCPtr<Painting::Paintable> create_paintable() const override;
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bool is_scroll_container() const;
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bool is_scrollable() const;
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CSSPixelPoint scroll_offset() const { return m_scroll_offset; }
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void set_scroll_offset(CSSPixelPoint);
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protected:
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Box(DOM::Document&, DOM::Node*, NonnullRefPtr<CSS::StyleProperties>);
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Box(DOM::Document&, DOM::Node*, CSS::ComputedValues);
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private:
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virtual bool is_box() const final { return true; }
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CSSPixelPoint m_scroll_offset;
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Optional<CSSPixels> m_natural_width;
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Optional<CSSPixels> m_natural_height;
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Optional<float> m_natural_aspect_ratio;
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};
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template<>
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inline bool Node::fast_is<Box>() const { return is_box(); }
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}
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