Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: a787642717c38407728df6739d096e868793dc57
https://github.com/WebKit/WebKit/commit/a787642717c38407728df6739d096e868793dc57
Author: Ahmad Saleem <[email protected]>
Date: 2026-02-22 (Sun, 22 Feb 2026)
Changed paths:
M LayoutTests/TestExpectations
M Source/WebCore/rendering/mathml/RenderMathMLFraction.cpp
Log Message:
-----------
Fix MathML fraction bar not painted when thickness equals width
https://bugs.webkit.org/show_bug.cgi?id=308440
rdar://170934351
Reviewed by Frédéric Wang.
GraphicsContext::drawLine() misidentifies horizontal lines as
vertical when stroke thickness equals the distance between
endpoints. This causes the fraction bar to not render when
FractionRuleThickness produces a thickness equal to the bar
width.
Replace drawLine() with fillRect() to draw the fraction bar
as an explicit rectangle, avoiding the heuristic entirely.
* LayoutTests/TestExpectations: Progressions
* Source/WebCore/rendering/mathml/RenderMathMLFraction.cpp:
(WebCore::RenderMathMLFraction::paint):
Canonical link: https://commits.webkit.org/308025@main
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