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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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14
Userland/Libraries/LibWeb/Painting/BorderRadiiData.h
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@ -31,6 +31,12 @@ struct BorderRadiusData {
if (vertical_radius != 0)
vertical_radius = max(CSSPixels(0), vertical_radius - vertical);
}
inline void union_max_radii(BorderRadiusData const& other)
{
horizontal_radius = max(horizontal_radius, other.horizontal_radius);
vertical_radius = max(vertical_radius, other.vertical_radius);
}
};
using CornerRadius = Gfx::AntiAliasingPainter::CornerRadius;
@ -58,6 +64,14 @@ struct BorderRadiiData {
return top_left || top_right || bottom_right || bottom_left;
}
inline void union_max_radii(BorderRadiiData const& other)
{
top_left.union_max_radii(other.top_left);
top_right.union_max_radii(other.top_right);
bottom_right.union_max_radii(other.bottom_right);
bottom_left.union_max_radii(other.bottom_left);
}
inline void shrink(CSSPixels top, CSSPixels right, CSSPixels bottom, CSSPixels left)
{
top_left.shrink(left, top);