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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>nominal.image.width</title><link rel="stylesheet" type="text/css" href="../reference.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="../index.html" title="DocBook XSL Stylesheets: ReferenceDocumentation"><link rel="up" href="graphics.html" title="Graphics"><link rel="prev" href="default.image.width.html" title="default.image.width"><link rel="next" href="nominal.image.depth.html" title="nominal.image.depth"><link rel="copyright" href="copyright.html" title="License"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">nominal.image.width</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="default.image.width.html">Prev</a></td><th width="60%" align="center">Graphics</th><td width="20%" align="right"><a accesskey="n" href="nominal.image.depth.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="nominal.image.width"></a><div class="titlepage"></div>
<div class="refnamediv"><h2><span class="refentrytitle">nominal.image.width</span></h2><p>
nominal.image.width
— The nominal image width
</p></div>
<div class="refsynopsisdiv"><h2>Synopsis</h2>
<a name="nominal.image.width.frag"></a><pre class="programlisting">
<xsl:param name="nominal.image.width" select="6 * $pixels.per.inch"></xsl:param>
</pre>
</div>
<div class="refsection"><a name="idp2257840"></a><h2>Description</h2>
<p>Graphic widths expressed as a percentage are problematic. In the
following discussion, we speak of width and contentwidth, but
the same issues apply to depth and contentdepth.</p>
<p>A width of 50% means "half of the available space for the image."
That's fine. But note that in HTML, this is a dynamic property and
the image size will vary if the browser window is resized.</p>
<p>A contentwidth of 50% means "half of the actual image width".
But what does that mean if the stylesheets cannot assess the image's
actual size? Treating this as a width of 50% is one possibility, but
it produces behavior (dynamic scaling) that seems entirely out of
character with the meaning.</p>
<p>Instead, the stylesheets define a
<a href="../html/nominal.image.width.html"><em class="parameter"><code>nominal.image.width</code></em></a> and convert percentages to
actual values based on that nominal size.</p>
</div>
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