Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: bbc4a14664c35da9b061dd3a07df90be7b3030f9
https://github.com/WebKit/WebKit/commit/bbc4a14664c35da9b061dd3a07df90be7b3030f9
Author: Taher Ali <[email protected]>
Date: 2026-03-02 (Mon, 02 Mar 2026)
Changed paths:
A
LayoutTests/imported/w3c/web-platform-tests/css/css-viewport/zoom/svg-foreignObject-font-size-expected.html
A
LayoutTests/imported/w3c/web-platform-tests/css/css-viewport/zoom/svg-foreignObject-font-size-ref.html
A
LayoutTests/imported/w3c/web-platform-tests/css/css-viewport/zoom/svg-foreignObject-font-size.html
A LayoutTests/svg/zoom/page/zoom-foreignObject-text-zoom-expected.html
A LayoutTests/svg/zoom/page/zoom-foreignObject-text-zoom.html
M Source/WebCore/style/StyleAdjuster.cpp
Log Message:
-----------
Fix zoom being applied twice to font-size in SVG foreignObject
https://bugs.webkit.org/show_bug.cgi?id=279041
rdar://135615620
Reviewed by Vitor Roriz.
When CSS zoom is set on :root, text inside foreignObject renders
at double the expected zoom — once from the inherited computedSize
and again from RenderSVGRoot's zoom transform.
StyleAdjuster resets usedZoom to 1.0 on foreignObject, but this
runs after the builder phase, so the font's computedSize still
carries the zoom from the HTML tree. Children inherit this stale
zoomed value.
The Fix recomputes computedSize resetting zoom on foreignObject.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-viewport/zoom/svg-foreignObject-font-size-expected.html:
Added.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-viewport/zoom/svg-foreignObject-font-size-ref.html:
Added.
*
LayoutTests/imported/w3c/web-platform-tests/css/css-viewport/zoom/svg-foreignObject-font-size.html:
Added.
* LayoutTests/svg/zoom/page/zoom-foreignObject-text-zoom-expected.html: Added.
* LayoutTests/svg/zoom/page/zoom-foreignObject-text-zoom.html: Added.
* Source/WebCore/style/StyleAdjuster.cpp:
(WebCore::Style::Adjuster::adjustSVGElementStyle):
Canonical link: https://commits.webkit.org/308476@main
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