[webkit-changes] [WebKit/WebKit] 590f8f: Resolve percentage in `use` against the instance's...
Ahmad Saleem
noreply at github.com
Fri May 26 11:04:03 PDT 2023
Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 590f8fce92dfea7e21fc936798cacf2c5f18a323
https://github.com/WebKit/WebKit/commit/590f8fce92dfea7e21fc936798cacf2c5f18a323
Author: Ahmad Saleem <ahmad.saleem792+github at gmail.com>
Date: 2023-05-26 (Fri, 26 May 2023)
Changed paths:
A LayoutTests/svg/custom/use-nested-symbol-viewport-expected.html
A LayoutTests/svg/custom/use-nested-symbol-viewport.html
M Source/WebCore/rendering/svg/LegacyRenderSVGTransformableContainer.cpp
Log Message:
-----------
Resolve percentage in `use` against the instance's viewport element
https://bugs.webkit.org/show_bug.cgi?id=256702
rdar://problem/109565397
Reviewed by Simon Fraser.
This patch aligns WebKit with Blink / Chromium and Gecko / Firefox.
Merge: https://chromium.googlesource.com/chromium/src/+/b34ff6fe2d5842a63e2c66f68f050f0cf9163010
In RenderSVGTransformableContainer::calculateLocalTransform, 'x' and 'y'
were resolved against the original (corresponding) element. For a `use`
nested within a `symbol`, this would mean that when were going to look
up the viewport element, we would return the outer `symbol` element and thus
fail to get a viewport.
Use the instance element to setup the SVGLengthContext instead.
* Source/WebCore/rendering/svg/LegacyRenderSVGTransformableContainer.cpp:
(LegacyRenderSVGTransformableContainer::calculateLocalTransform): Use 'element' rather than 'useElement'
* LayoutTests/svg/custom/use-nested-symbol-viewport.html: Add Test Case
* LayoutTests/svg/custom/use-nested-symbol-viewport-expected.html: Add Test Case Expectation
Canonical link: https://commits.webkit.org/264596@main
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