Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 94ee83005928c83c058edc6b5236f012a6a15580
      
https://github.com/WebKit/WebKit/commit/94ee83005928c83c058edc6b5236f012a6a15580
  Author: lilly <[email protected]>
  Date:   2026-08-13 (Thu, 13 Aug 2026)

  Changed paths:
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-convex-inert-expected.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-convex-inert-ref.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-convex-inert.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-elliptical-expected.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-elliptical-ref.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-elliptical.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-mixed-expected.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-mixed-ref.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-mixed.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-notch-expected.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-notch-ref.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-notch.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-scoop-expected.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-scoop-ref.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-scoop.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-superellipse-expected.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-superellipse-ref.html
    A 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-superellipse.html
    M Source/WebCore/platform/graphics/CornerShapeUtilities.cpp
    M Source/WebCore/rendering/BorderShape.cpp

  Log Message:
  -----------
  corner-shape: Implement oppositeCornerScaleFactor
https://bugs.webkit.org/show_bug.cgi?id=321604
rdar://184732009

Reviewed by Simon Fraser.

Implements https://drafts.csswg.org/css-borders-4/#corner-shape-constrain-radii 
with
algorithm adaption from https://github.com/w3c/csswg-drafts/pull/14142

* Source/WebCore/platform/graphics/CornerShapeUtilities.cpp:
(WebCore::normalizedInnerCornerHull):
(WebCore::cornerHullPolygon):
(WebCore::offsetExtentAlongAxis):
(WebCore::largestScaleWithoutIntersection):
(WebCore::oppositeCornerScaleFactor):
* Source/WebCore/rendering/BorderShape.cpp:
(WebCore::constrainedRadiiScale):
(WebCore::BorderShape::shapeForBorderRect):
(WebCore::rebuildOffsetCornersFromReference):
(WebCore::addOuterCornerShapeToPath):
(WebCore::addInnerCornerShapeToPath):
(WebCore::buildScaledCornerInputs): Deleted.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-convex-inert-expected.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-convex-inert-ref.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-convex-inert.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-elliptical-expected.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-elliptical-ref.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-elliptical.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-mixed-expected.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-mixed-ref.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-mixed.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-notch-expected.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-notch-ref.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-notch.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-scoop-expected.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-scoop-ref.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-scoop.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-superellipse-expected.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-superellipse-ref.html:
 Added.
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-borders/corner-shape/corner-shape-opposite-scale-superellipse.html:
 Added.

Canonical link: https://commits.webkit.org/319157@main



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