Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 5914f6eb8b6de0cf2efbb9aa7b86f7358d47497b
https://github.com/WebKit/WebKit/commit/5914f6eb8b6de0cf2efbb9aa7b86f7358d47497b
Author: Richard Robinson <[email protected]>
Date: 2024-05-23 (Thu, 23 May 2024)
Changed paths:
A
LayoutTests/css3/color-filters/test-color-filter-with-color-mix-with-semantic-color-expected.html
A
LayoutTests/css3/color-filters/test-color-filter-with-color-mix-with-semantic-color.html
M Source/WebCore/css/color/CSSColorMixResolver.cpp
Log Message:
-----------
[Writing Suggestions] Suggestions are sometimes hard to see in dark mode in
Mail
https://bugs.webkit.org/show_bug.cgi?id=274610
rdar://126371613
Reviewed by Abrar Rahman Protyasha and Matthieu Dubet.
The color of writing suggestions is specified by
```
color: color-mix(in srgb, currentColor 50%, transparent);
```
which currently looks incorrect when viewed in dark mode in a place where
`-apple-color-filter` is used (such as Mail).
This is because the unique combination of `-apple-color-filter` with a color
that is created using `color-mix`, which itself
comprises of a color which is a semantic color, has not been explicitly
supported. In general, semantic colors are immune from
`-apple-color-filter` due to the early return check of `isSemantic` in
`FilterOperations::transformColor`. However, if a
semantic color is inside of a `color-mix` value, the `color-mix` color doesn't
persist the semantic flag, which results in the
filter operation erroneously applying.
Fix by considering a `color-mix` color semantic if either of its constituent
colors are semantic.
*
LayoutTests/css3/color-filters/test-color-filter-with-color-mix-with-semantic-color-expected.html:
Added.
*
LayoutTests/css3/color-filters/test-color-filter-with-color-mix-with-semantic-color.html:
Added.
* Source/WebCore/css/color/CSSColorMixResolver.cpp:
(WebCore::mixColorComponentsUsingColorInterpolationMethod):
Canonical link: https://commits.webkit.org/279239@main
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