Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: a84350ee19f346b0c7515b2c84464b055ac4c954
      
https://github.com/WebKit/WebKit/commit/a84350ee19f346b0c7515b2c84464b055ac4c954
  Author: Pawel Lampe <pla...@igalia.com>
  Date:   2024-11-28 (Thu, 28 Nov 2024)

  Changed paths:
    M LayoutTests/TestExpectations
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-anchor-position/anchor-center-htb-htb-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-anchor-position/anchor-center-htb-vrl-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-anchor-position/anchor-center-vrl-htb-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/css/css-anchor-position/anchor-center-vrl-vrl-expected.txt
    M Source/WebCore/css/CSSProperties.json
    M Source/WebCore/rendering/RenderBox.cpp
    M Source/WebCore/rendering/RenderBox.h
    M Source/WebCore/rendering/RenderElement.cpp
    M Source/WebCore/rendering/RenderElement.h
    M Source/WebCore/rendering/RenderFlexibleBox.cpp
    M Source/WebCore/rendering/RenderGrid.cpp
    M Source/WebCore/style/AnchorPositionEvaluator.cpp
    M Source/WebCore/style/AnchorPositionEvaluator.h

  Log Message:
  -----------
  [css-anchor-position-1] Implement `anchor-center` alignment value
https://bugs.webkit.org/show_bug.cgi?id=275451

Reviewed by Antti Koivisto.

This change implements `anchor-center` CSS value as specified in:
https://drafts.csswg.org/css-anchor-position-1/#anchor-center

* LayoutTests/TestExpectations:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-anchor-position/anchor-center-htb-htb-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-anchor-position/anchor-center-htb-vrl-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-anchor-position/anchor-center-vrl-htb-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/css/css-anchor-position/anchor-center-vrl-vrl-expected.txt:
* Source/WebCore/css/CSSProperties.json:
* Source/WebCore/rendering/RenderBox.cpp:
(WebCore::RenderBox::computePositionedLogicalWidth const):
(WebCore::RenderBox::computePositionedLogicalHeight const):
(WebCore::isObjectAncestorContainerOf):
(WebCore::findClosestCommonContainer):
(WebCore::RenderBox::computeAnchorCenteredPosition const):
* Source/WebCore/rendering/RenderBox.h:
* Source/WebCore/rendering/RenderElement.cpp:
(WebCore::RenderElement::defaultAnchor const):
(WebCore::RenderElement::defaultAnchorRenderer const):
* Source/WebCore/rendering/RenderElement.h:
* Source/WebCore/rendering/RenderFlexibleBox.cpp:
(WebCore::alignmentOffset):
* Source/WebCore/rendering/RenderGrid.cpp:
(WebCore::RenderGrid::columnAxisPositionForGridItem const):
(WebCore::RenderGrid::rowAxisPositionForGridItem const):
* Source/WebCore/style/AnchorPositionEvaluator.cpp:
(WebCore::Style::AnchorPositionEvaluator::computeAnchorRectRelativeToContainingBlock):
(WebCore::Style::computeInsetValue):
(WebCore::Style::computeAnchorRectRelativeToContainingBlock): Deleted.
* Source/WebCore/style/AnchorPositionEvaluator.h:

Canonical link: https://commits.webkit.org/287144@main



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