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<?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" style="xslt-template" id="mal2html.ui.links.img">
<info>
<link type="guide" xref="mal2html-ui" group="templates"/>
<link type="guide" xref="templates" group="mal2html"/>
<desc>Output an image for a link using UI thumbnails.</desc>
<revision version="3.28" date="2017-08-11" status="final"/>
</info>
<title>mal2html.ui.links.img</title>
<synopsis>
<title>Parameters</title>
<terms>
<item>
<title><code>$node</code></title>
<p>A <sys>links</sys> element to link from.</p>
</item>
<item>
<title><code>$thumbs</code></title>
<p>A list of candidate <sys>uix:thumb</sys> elements.</p>
</item>
<item>
<title><code>$role</code></title>
<p>A link role, used to select the appropriate thumbnail.</p>
</item>
<item>
<title><code>$width</code></title>
<p>The width to fit thumbnails into.</p>
</item>
<item>
<title><code>$height</code></title>
<p>The height to fit thumbnails into.</p>
</item>
</terms>
</synopsis>
<p>This template selects the best-fit thumbnail from <code>$thumbs</code>, based on how well
the aspect ratio and dimensions of each image matches the <code>$width</code> and <code>$height</code>
parameters. It outputs an HTML <sys>img</sys> element for the best-fit thumbnail. It
calls <code>$mal2thml.ui.links.img.src</code> to output the <sys>src</sys> attribute, and calls
<code>$mal2html.ui.links.img.attrs</code> to output <sys>width</sys> and <sys>height</sys> attributes.</p>
<p>Before checking for a best-fit thumbnail on dimensions, this template first
looks for <sys>uix:thumb</sys> elements with the <sys>type</sys> attribute set to <sys>"links"</sys>.
Within those, it looks for <sys>uix:thumb</sys> elements whose <sys>role</sys> attribute
matches the <code>$role</code> parameter. This is similar to how link titles are
selected.</p>
<p>If the <code>$thumbs</code> parameter is empty, this template attempts to use a default
thumbnail provided by a <sys>uix:thumb</sys> child element of <code>$node</code>.</p>
<p>The <code>$width</code> and <code>$height</code> parameters can be computed automatically from the
<code>$node</code> element.</p>
<list style="compact">
<title>Calls Parameters</title>
<item>
<p><link xref="mal.cache"/></p>
</item>
</list>
<list style="compact">
<title>Calls Templates</title>
<item>
<p><link xref="mal2html.ui.links.img.attrs"/></p>
</item>
<item>
<p><link xref="mal2html.ui.links.img.src"/></p>
</item>
</list>
</page>
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