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LibWeb: Apply border-radius clip only if overflow hidden for both axis

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Before this change `apply_clip_overflow_rect` might crash trying to
access `clip_rect` that does not have value because we currently
support calculation of visible rectangle when `overflow: hidden`
is applied for both axis.
This commit is contained in:
Aliaksandr Kalenik 2023-03-19 18:43:32 +03:00 • committed by Andreas Kling
parent 633983d354
commit 7ddacef3b5
3 changed files with 17 additions and 1 deletions
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6
Tests/LibWeb/Layout/expected/overflow-x-hidden-with-border-radius.txt Normal file
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@ -0,0 +1,6 @@
Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (0,0) content-size 800x118 children: not-inline
BlockContainer <body> at (8,8) content-size 784x102 children: not-inline
BlockContainer <div.box> at (9,9) content-size 100x100 positioned children: not-inline
BlockContainer <(anonymous)> at (8,110) content-size 784x0 children: inline
TextNode <#text>

10
Tests/LibWeb/Layout/input/overflow-x-hidden-with-border-radius.html Normal file
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@ -0,0 +1,10 @@
<style>
.box {
border: 1px solid black;
width: 100px;
height: 100px;
border-radius: 9999px;
overflow-x: hidden;
position: relative;
}
</style><div class="box"></div>

2
Userland/Libraries/LibWeb/Painting/PaintableBox.cpp
View file

@ -363,7 +363,7 @@ void PaintableBox::apply_clip_overflow_rect(PaintContext& context, PaintPhase ph
clip_overflow();
}
if (overflow_y == CSS::Overflow::Hidden || overflow_x == CSS::Overflow::Hidden) {
if (overflow_y == CSS::Overflow::Hidden && overflow_x == CSS::Overflow::Hidden) {
auto border_radii_data = normalized_border_radii_data(ShrinkRadiiForBorders::Yes);
if (border_radii_data.has_any_radius()) {
auto corner_clipper = BorderRadiusCornerClipper::create(context, context.rounded_device_rect(*clip_rect), border_radii_data, CornerClip::Outside, BorderRadiusCornerClipper::UseCachedBitmap::No);