uTools-Manuals/docs/php/ps_symbol_width.html
2019-04-08 23:22:26 +08:00

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<head>
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<title>Gets width of a glyph</title>
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<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.ps-symbol-width" class="refentry">
<div class="refnamediv">
<h1 class="refname">ps_symbol_width</h1>
<p class="verinfo">(PECL ps &gt;= 1.2.0)</p><p class="refpurpose"><span class="refname">ps_symbol_width</span> &mdash; <span class="dc-title">Gets width of a glyph</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.ps-symbol-width-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>ps_symbol_width</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$psdoc</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$ord</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$fontid</code><span class="initializer"> = 0</span></span>
[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$size</code><span class="initializer"> = 0.0</span></span>
]] ) : <span class="type">float</span></div>
<p class="para rdfs-comment">
Calculates the width of a glyph in points if it was output in the given
font and font size. This function needs an Adobe font metrics file to
calculate the precise width.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.ps-symbol-width-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">psdoc</code></dt>
<dd>
<p class="para">
Resource identifier of the postscript file
as returned by <span class="function"><a href="ps_new.html" class="function">ps_new()</a></span>.
</p>
</dd>
<dt>
<code class="parameter">ord</code></dt>
<dd>
<p class="para">
The position of the glyph in the font encoding vector.
</p>
</dd>
<dt>
<code class="parameter">fontid</code></dt>
<dd>
<p class="para">
The identifier of the font to be used. If not font is specified
the current font will be used.
</p>
</dd>
<dt>
<code class="parameter">size</code></dt>
<dd>
<p class="para">
The size of the font. If no size is specified the current size
is used.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.ps-symbol-width-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
The width of a glyph in points.
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.ps-symbol-width-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="ps_symbol.html" class="function" rel="rdfs-seeAlso">ps_symbol()</a> - Output a glyph</span></li>
<li class="member"><span class="function"><a href="ps_symbol_name.html" class="function" rel="rdfs-seeAlso">ps_symbol_name()</a> - Gets name of a glyph</span></li>
</ul>
</p>
</div>
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