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ladybird/Userland/Libraries/LibWeb/Layout/SVGFormattingContext.h

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LibWeb: Add SVGFormattingContext to handle SVG box trees Instead of trying to layout SVG boxes as if they are regular CSS boxes, let's invent an "SVG formatting context" and let it manage SVG boxes. To facilitate this, Layout::SVGBox no longer inherits from ReplacedBox, and is instead a simple, "inline-block" style BlockBox.
2021-09-17 23:12:16 +02:00
/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/Forward.h>
#include <LibWeb/Layout/FormattingContext.h>
namespace Web::Layout {
class SVGFormattingContext : public FormattingContext {
public:
LibWeb: Rename FormattingState to LayoutState This seems a bit more descriptive (and also a bit shorter).
2022-07-16 23:30:32 +02:00
explicit SVGFormattingContext(LayoutState&, Box const&, FormattingContext* parent);
LibWeb: Add SVGFormattingContext to handle SVG box trees Instead of trying to layout SVG boxes as if they are regular CSS boxes, let's invent an "SVG formatting context" and let it manage SVG boxes. To facilitate this, Layout::SVGBox no longer inherits from ReplacedBox, and is instead a simple, "inline-block" style BlockBox.
2021-09-17 23:12:16 +02:00
~SVGFormattingContext();
LibWeb: Reorganize layout algorithms around available space This is a big and messy change, and here's the gist: - AvaliableSpace is now 2x AvailableSize (width and height) - Layout algorithms are redesigned around the idea of available space - When doing layout across nested formatting contexts, the parent context tells the child context how much space is available for the child's root box in both axes. - "Available space" replaces "containing block width" in most places. - The width and height in a box's UsedValues are considered to be definite after they're assigned to. Marking something as having definite size is no longer a separate step, This probably introduces various regressions, but the big win here is that our layout system now works with available space, just like the specs are written. Fixing issues will be much easier going forward, since you don't need to do nearly as much conversion from "spec logic" to "LibWeb logic" as you previously did.
2022-09-27 15:29:17 +02:00
virtual void run(Box const&, LayoutMode, AvailableSpace const&) override;
LibWeb: Let FormattingContext decide the automatic width of its root Instead of special-casing FlexFormattingContext in the intrinsic sizing layout helpers, add FormattingContext::automatic_content_width() and let each context subclass decide what that means. No behavior change here, just moving this responsibility.
2023-03-19 09:57:31 +01:00
virtual CSSPixels automatic_content_width() const override;
LibWeb: Convert FormattingContext to new pixel units Just FormattingContext and AvailableSpace, and the minor adjustments to make everything else work.
2022-11-23 17:46:10 +00:00
virtual CSSPixels automatic_content_height() const override;
LibWeb: Add SVGFormattingContext to handle SVG box trees Instead of trying to layout SVG boxes as if they are regular CSS boxes, let's invent an "SVG formatting context" and let it manage SVG boxes. To facilitate this, Layout::SVGBox no longer inherits from ReplacedBox, and is instead a simple, "inline-block" style BlockBox.
2021-09-17 23:12:16 +02:00
};
}
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