Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 8ad316d5e199d82b9b8de009b2dda01309248ca4
https://github.com/WebKit/WebKit/commit/8ad316d5e199d82b9b8de009b2dda01309248ca4
Author: Wenson Hsieh <wenson_hs...@apple.com>
Date: 2025-03-10 (Mon, 10 Mar 2025)
Changed paths:
A
LayoutTests/fast/page-color-sampling/color-sampling-ignores-backdrop-filters-expected.txt
A
LayoutTests/fast/page-color-sampling/color-sampling-ignores-backdrop-filters.html
A
LayoutTests/fast/page-color-sampling/color-sampling-ignores-images-expected.txt
A LayoutTests/fast/page-color-sampling/color-sampling-ignores-images.html
M Source/WebCore/page/LocalFrameView.cpp
M Source/WebCore/page/PageColorSampler.cpp
Log Message:
-----------
[Page color sampler] Fine-tune color sampling heuristics to avoid backdrop
filters
https://bugs.webkit.org/show_bug.cgi?id=289443
rdar://146618551
Reviewed by Abrar Rahman Protyasha.
Apply several minor adjustments to the page color sampling heuristic for
fixed-position elements at
the edges of the viewport.
*
LayoutTests/fast/page-color-sampling/color-sampling-ignores-backdrop-filters-expected.txt:
Added.
*
LayoutTests/fast/page-color-sampling/color-sampling-ignores-backdrop-filters.html:
Added.
*
LayoutTests/fast/page-color-sampling/color-sampling-ignores-images-expected.txt:
Added.
* LayoutTests/fast/page-color-sampling/color-sampling-ignores-images.html:
Added.
Add a couple of layout test to exercise these changes.
* Source/WebCore/page/LocalFrameView.cpp:
(WebCore::LocalFrameView::fixedContainerEdges const):
Bail immediately if we find an hit-test to an element with a backdrop filter.
* Source/WebCore/page/PageColorSampler.cpp:
(WebCore::PageColorSampler::predominantColor):
Several small fixes here:
- Bump the sample count up slightly.
- Use `isVisible` instead of `isValid` to ignore completely transparent colors.
- Exclude replaced content when painting the snapshot.
Canonical link: https://commits.webkit.org/291901@main
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