firefox-main/testing/web-platform/tests/css/css-masking/clip-path/clip-path-url-reference-text-clip-no-inherit-after-remove.html

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Test Info:

<!DOCTYPE html>
<html class="reftest-wait">
<head>
<title>Remove Ancestor Clip to SVG Reference Text Clip-Path</title>
<link rel="author" title="Claire Chambers" href="mailto:clchambers@microsoft.com">
<link rel="match" href="clip-path-url-reference-text-clip-no-inherit-after-remove-ref.html">
<meta name="variant" content="?force-repaint">
<meta name="variant" content="?skip-repaint">
<script src="/common/reftest-wait.js"></script>
<style>
#container {
display: inline-block;
width: 100px;
height: 100px;
background-color: black;
/* ensure #container creates a stacking context */
will-change: transform;
/* hide the overflow */
border-radius: 50px;
overflow: hidden;
}
#container.stage-clip-removed {
/* removing the overflow clip should reveal the outset */
border-radius: initial;
overflow: initial;
}
#clipped-element {
display: inline-block;
width: 100px;
height: 100px;
background-color: blue;
clip-path: url(#svg-text-clip);
/* for positioning the outset */
position: relative;
/* inherited clip must be expanded by 1px for the filter backdrop */
filter: blur(1px);
}
#container.stage-foreground-repainted #clipped-element {
background-color: purple;
}
#clipped-element-outset {
left: -10px;
top: -10px;
position: absolute;
border: 10px solid green;
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<script src="/common/reftest-wait.js"></script>
<script src="/web-animations/testcommon.js"></script>
<p>
Test passes if there is a green outset around a black square.
</p>
<div id="container">
<div id="clipped-element">
<div id="clipped-element-outset">
</div>
</div>
</div>
<script>
const container = document.getElementById("container");
const skipRepaint = location.search.includes("skip-repaint");
function addAncestorClip() {
container.classList.add("stage-clip-removed");
}
function repaintForeground() {
container.classList.add("stage-foreground-repainted");
}
window.addEventListener('load', async () => {
/* if skipping repaint, set the updated color immediately so the ref requires no special logic */
if(skipRepaint) {
repaintForeground();
}
await waitForCompositorReady();
await runAndWaitForFrameUpdate(addAncestorClip);
if(!skipRepaint) {
await runAndWaitForFrameUpdate(repaintForeground);
}
takeScreenshot();
});
</script>
<svg width="0" height="0" viewBox="0 0 100 100">
<clipPath id="svg-text-clip" clipPathUnits="objectBoundingBox">
<text x="0.1" y="0.6" font-size="0.2">SVG Clip</text>
<!-- Include a 10% outset around the clipped element -->
<path clip-rule="evenodd" d="
M -0.1 -0.1 L 1.1 -0.1 L 1.1 1.1 L -0.1 1.1
M 0 0 L 1 0 L 1 1 L 0 1
"/>
</clipPath>
</svg>
</body>
</html>