Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 6e10fc2af54142db16d02f54e8040f5e2d59bdd9
      
https://github.com/WebKit/WebKit/commit/6e10fc2af54142db16d02f54e8040f5e2d59bdd9
  Author: Etienne Segonzac <s...@apple.com>
  Date:   2024-08-11 (Sun, 11 Aug 2024)

  Changed paths:
    M LayoutTests/interaction-region/svg-luminance-expected.txt
    M LayoutTests/interaction-region/svg-luminance.html
    M Source/WebCore/page/InteractionRegion.cpp

  Log Message:
  -----------
  [InteractionRegions] Extend the SVG color luminance check
https://bugs.webkit.org/show_bug.cgi?id=277685
<rdar://132908848>

Reviewed by Simon Fraser.

In 279859@main, we started detecting "small shapes with extreme
luminance" that would be challenging to highlight. This check needs to
account for SVGs using only a stroke.

* Source/WebCore/page/InteractionRegion.cpp:
(WebCore::colorIsChallengingToHighlight):
Extract the luminance check.

(WebCore::usesFillColorWithExtremeLuminance): Deleted.
(WebCore::interactionRegionForRenderedRegion):
(WebCore::styleIsChallengingToHighlight):
Rename the function.
When the fill paint type is none, check the stroke color instead of the
fill color.

* LayoutTests/interaction-region/svg-luminance-expected.txt:
* LayoutTests/interaction-region/svg-luminance.html:
Add stroke based tests.

Canonical link: https://commits.webkit.org/282097@main



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