| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <meta charset="utf-8"> |
| <title>CSS2 Line height test: baseline position, normal sizing vs explicit sizing</title> |
| <link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net"> |
| <link rel="help" href="https://drafts.csswg.org/css2/visudet.html#line-height"> |
| <link rel="match" href="reference/line-height-202-ref.html"> |
| <meta name="assert" content="The position of the baseline in an inline-level box whose line-height is normal |
| and the position of the baseline in an inline-level box whose line-height is set to a non normal value resulting in the same height |
| are the same, |
| assuming only the first available font is used."> |
| <style> |
| @font-face { |
| font-family: 'high'; |
| font-style: normal; |
| font-weight: 400; |
| src: url(/fonts/Revalia.woff) format('woff'); |
| } |
| |
| div { |
| position: absolute; |
| font-size: 100px; |
| width: 2em; /* plenty of room for the (invisible) text */ |
| text-align: right; |
| color: transparent; |
| } |
| span { /* visible thing aligned to the baseline, and small enough to not influence its position */ |
| display: inline-block; |
| width: 20px; |
| height: 20px; |
| } |
| |
| /* white #lh-auto is on top of red #lh-manual, |
| and as their baselines should line up |
| #lh-manual should be fully covered, |
| and no red should be visible */ |
| #lh-manual { font-family: high; } |
| #lh-manual span { background: red; } |
| |
| #lh-auto { font-family: high; line-height: normal; } |
| #lh-auto span { background: white; } |
| |
| </style> |
| |
| <body onload="measure()"> |
| <p>Test passes if there is <strong>no red</strong> below. |
| |
| <div id=lh-manual>a<span></span></div> |
| <div id=lh-auto>a<span></span></div> |
| |
| <script> |
| function measure() { /* let layout complete first, so that we can measure things */ |
| var lha = document.getElementById("lh-auto"); |
| var lhm = document.getElementById("lh-manual") |
| var h = window.getComputedStyle(lha).height; /*getting the used-value of line-height by proxy */ |
| lhm.style.lineHeight = h; |
| document.documentElement.className = ""; |
| } |
| </script> |
