forked from mirrors/gecko-dev
c6d0b69eda
Automatic update from web-platform-tests Fix cull rect and paint subtree skipping issue with overflow-clip-margin This fixes issue with overflow-clip-margin at the following places: 1. CullRectUpdater: we should check OverflowClipRect to see if the whole subtree is out of the cull rect. 2. PaintLayerPainter: KnownToClipSubtree() is renamed to KnownToClipSubtreeToPaddingBox() and modified to return false when there is overflow-clip-margin. Bug: 1351931 Change-Id: I351ddc44f0f137e8d32173f326d4579ce4c97662 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3840344 Reviewed-by: Scott Violet <sky@chromium.org> Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org> Cr-Commit-Position: refs/heads/main@{#1037133} -- wpt-commits: 71be4fb02864df44ebd016452a6e080e7f46754c wpt-pr: 35527
35 lines
875 B
HTML
35 lines
875 B
HTML
<!doctype html>
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<meta charset="utf-8">
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<title>Overflow-clip-margin: child of a small-border-box out-of-view large-clip-margin parent is shown</title>
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<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#propdef-overflow-clip-margin">
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<link rel="author" title="Xianzhu Wang" href="mailto:wangxianzhu@chromium.org">
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<link rel="match" href="overflow-clip-margin-011-ref.html">
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<style>
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.overflow-hidden {
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width: 200px;
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height: 200px;
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overflow: hidden;
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}
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.parent {
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width: 100px;
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height: 100px;
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position: relative;
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top: 500px;
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overflow: clip;
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overflow-clip-margin: 500px;
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z-index: 1;
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background: red;
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}
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.child {
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width: 100px;
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height: 100px;
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position: relative;
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top: -500px;
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background: green;
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}
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</style>
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<div class="overflow-hidden">
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<div class="parent">
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<div class="child">
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</div>
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</div>
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