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LibWeb: Account for all clipped border radii in containing block chain

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With this change, instead of applying only the border-radius clipping
from the closest containing block with hidden overflow, we now collect
all boxes within the containing block chain and apply the clipping from
all of them.
This commit is contained in:
Aliaksandr Kalenik 2024-02-10 17:52:57 +01:00 • committed by Andreas Kling
parent 1ae416fa94
commit d4932196cc
9 changed files with 133 additions and 32 deletions
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40
Userland/Libraries/LibWeb/Painting/ClipFrame.h Normal file
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/*
* Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/Painting/BorderRadiiData.h>
#include <LibWeb/PixelUnits.h>
namespace Web::Painting {
struct BorderRadiiClip {
CSSPixelRect rect;
BorderRadiiData radii;
};
struct ClipFrame : public RefCounted<ClipFrame> {
Vector<BorderRadiiClip> const& border_radii_clips() const { return m_border_radii_clips; }
void add_border_radii_clip(BorderRadiiClip border_radii_clip)
{
for (auto& existing_clip : m_border_radii_clips) {
if (border_radii_clip.rect == existing_clip.rect) {
existing_clip.radii.union_max_radii(border_radii_clip.radii);
return;
}
}
m_border_radii_clips.append(border_radii_clip);
}
CSSPixelRect rect() const { return m_rect; }
void set_rect(CSSPixelRect rect) { m_rect = rect; }
private:
CSSPixelRect m_rect;
Vector<BorderRadiiClip> m_border_radii_clips;
};
}