LibWeb: Implement dominant-baseline for SVG text

This property determines the default baseline used to align content
within the given box.
This commit is contained in:
Tim Ledbetter
2026-02-25 20:46:37 +00:00
committed by Jelle Raaijmakers
parent 90a211bf47
commit f05bc7c0cd
Notes: github-actions[bot] 2026-02-26 08:24:27 +00:00
25 changed files with 311 additions and 10 deletions

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Inline Layout: getComputedStyle().dominantBaseline</title>
<link rel="help" href="https://drafts.csswg.org/css-inline-3/#dominant-baseline-property">
<meta name="assert" content="dominant-baseline computed value is as specified.">
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script src="../../../css/support/computed-testcommon.js"></script>
</head>
<body>
<div id="target"></div>
<script>
test_computed_value("dominant-baseline", "auto");
test_computed_value("dominant-baseline", "text-bottom");
test_computed_value("dominant-baseline", "alphabetic");
test_computed_value("dominant-baseline", "ideographic");
test_computed_value("dominant-baseline", "middle");
test_computed_value("dominant-baseline", "central");
test_computed_value("dominant-baseline", "mathematical");
test_computed_value("dominant-baseline", "hanging");
test_computed_value("dominant-baseline", "text-top");
</script>
</body>
</html>

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Inline Layout: parsing dominant-baseline with invalid values</title>
<link rel="help" href="https://drafts.csswg.org/css-inline-3/#dominant-baseline-property">
<meta name="assert" content="dominant-baseline supports only the grammar 'auto | text-bottom | alphabetic | ideographic | middle | central | mathematical | hanging | text-top'.">
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script src="../../../css/support/parsing-testcommon.js"></script>
</head>
<body>
<script>
test_invalid_value("dominant-baseline", "normal");
test_invalid_value("dominant-baseline", "none");
test_invalid_value("dominant-baseline", "alphabetic, ideographic");
test_invalid_value("dominant-baseline", "middle central");
</script>
</body>
</html>

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Inline Layout: parsing dominant-baseline with valid values</title>
<link rel="help" href="https://drafts.csswg.org/css-inline-3/#dominant-baseline-property">
<meta name="assert" content="dominant-baseline supports the full grammar 'auto | text-bottom | alphabetic | ideographic | middle | central | mathematical | hanging | text-top'.">
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script src="../../../css/support/parsing-testcommon.js"></script>
</head>
<body>
<script>
test_valid_value("dominant-baseline", "auto");
test_valid_value("dominant-baseline", "text-bottom");
test_valid_value("dominant-baseline", "alphabetic");
test_valid_value("dominant-baseline", "ideographic");
test_valid_value("dominant-baseline", "middle");
test_valid_value("dominant-baseline", "central");
test_valid_value("dominant-baseline", "mathematical");
test_valid_value("dominant-baseline", "hanging");
test_valid_value("dominant-baseline", "text-top");
</script>
</body>
</html>