Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 72ec2a274bb316c8aa64fbac9b8c9bb51ebf099c
https://github.com/WebKit/WebKit/commit/72ec2a274bb316c8aa64fbac9b8c9bb51ebf099c
Author: Wenson Hsieh <wenson_hs...@apple.com>
Date: 2025-03-21 (Fri, 21 Mar 2025)
Changed paths:
A
LayoutTests/fast/page-color-sampling/page-color-sampling-skips-border-top-expected.txt
A
LayoutTests/fast/page-color-sampling/page-color-sampling-skips-border-top.html
M Source/WebCore/page/LocalFrameView.cpp
Log Message:
-----------
[Page color sampling] Improve color sampling stability for fixed containers
with visible borders
https://bugs.webkit.org/show_bug.cgi?id=290148
rdar://147362111
Reviewed by Abrar Rahman Protyasha.
Adjust the edge color sampling heuristic to recognize when a fixed-position
container near the top,
left, right, or bottom edge has a (thin) visible border facing that edge.
Instead of sampling colors
along the border, we push the sampling rect inwards by the border width to
capture any predominant
solid colors in the interior of the fixed container.
*
LayoutTests/fast/page-color-sampling/page-color-sampling-skips-border-top-expected.txt:
Added.
*
LayoutTests/fast/page-color-sampling/page-color-sampling-skips-border-top.html:
Added.
Add a layout test to verify that color sampling "skips" over the solid orange
`border-top`, and
returns solid white while scrolling through the page.
* Source/WebCore/page/LocalFrameView.cpp:
(WebCore::LocalFrameView::fixedContainerEdges const):
Canonical link: https://commits.webkit.org/292472@main
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