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<html>
<head>
<title>CSS Writing Modes Test: vertical align - 'sub' (central baseline with vertical layout)</title>
<link rel="author" title="Hajime Shiozawa" href="mailto:hajime.shiozawa@gmail.com">
<link rel="help" title="4.4. Baseline Alignment" href="http://www.w3.org/TR/css-writing-modes-3/#baseline-alignment">
<link rel="help" title="10.8 Line height calculations: the 'line-height' and 'vertical-align' properties" href="http://www.w3.org/TR/CSS21/visudet.html#line-height">
<meta name="assert" content="This test checks the generation of text baseline with vertical align property. When 'writing-mode' is vertical and when 'text-orientation' is 'mixed', 'upright' or 'use-glyph-orientation', then the central baseline is used as the dominant baseline.">
<meta name="flags" content="ahem image">
<style type="text/css">
div > p {
font: 40px/1 "Ahem";
background-color: orange;
}
/* vertical-align */
img {
vertical-align: sub;
}
img.line {
margin-top: -260px;
}
/* writing-mode property */
.vertical-lr {
writing-mode: vertical-lr;
}
/* text-orientation property */
.mixed {
text-orientation: mixed;
}
.upright {
text-orientation: upright;
}
.use-glyph-orientation {
text-orientation: use-glyph-orientation;
}
/* font-size */
.half {
vertical-align: text-top;
font-size: 0.5em;
}
</style>
</head>
<body>
<p>Test passes if ...</p>
<ol>
<li>the <strong>left</strong> edge of black stripe is touching a thin blue line in each 3 orange rectangles and</li>
<li>the <strong>center</strong> of yellow square (showed as a blue line) is aligned to a thin blue line in each 3 orange rectangles and</li>
<li>all 3 orange rectangles are <strong>identical</strong>.</li>
</ol>
<div class="vertical-lr">
<p class="mixed"><sub><span class="half">LLLLLLLLL</span></sub>
<img class="square" src="./support/yellow-square-vert-redline-center-59x59.png" alt="Image download support must be enabled">
<img class="line" src="./support/blue-vert-line-1x220.png" alt="Image download support must be enabled">
</p>
<p class="upright"><sub><span class="half">LLLLLLLLL</span></sub>
<img class="square" src="./support/yellow-square-vert-redline-center-59x59.png" alt="Image download support must be enabled">
<img class="line" src="./support/blue-vert-line-1x220.png" alt="Image download support must be enabled">
</p>
<p class="use-glyph-orientation"><sub><span class="half">LLLLLLLLL</span></sub>
<img class="square" src="./support/yellow-square-vert-redline-center-59x59.png" alt="Image download support must be enabled">
<img class="line" src="./support/blue-vert-line-1x220.png" alt="Image download support must be enabled">
</p>
</div>
</body>
</html>