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114 lines
3.4 KiB
HTML
114 lines
3.4 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Gets width of a string</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.ps-stringwidth" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">ps_stringwidth</h1>
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<p class="verinfo">(PECL ps >= 1.1.0)</p><p class="refpurpose"><span class="refname">ps_stringwidth</span> — <span class="dc-title">Gets width of a string</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.ps-stringwidth-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>ps_stringwidth</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$psdoc</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$text</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$fontid</code><span class="initializer"> = 0</span></span>
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[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$size</code><span class="initializer"> = 0.0</span></span>
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]] ) : <span class="type">float</span></div>
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<p class="para rdfs-comment">
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Calculates the width of a string in points if it was output
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in the given font and font size.
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This function needs an Adobe font
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metrics file to calculate the precise width. If kerning is turned on,
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it will be taken into account.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.ps-stringwidth-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">psdoc</code></dt>
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<dd>
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<p class="para">
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Resource identifier of the postscript file
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as returned by <span class="function"><a href="ps_new.html" class="function">ps_new()</a></span>.
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</p>
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</dd>
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<dt>
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<code class="parameter">text</code></dt>
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<dd>
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<p class="para">
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The text for which the width is to be calculated.
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</p>
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</dd>
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<dt>
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<code class="parameter">fontid</code></dt>
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<dd>
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<p class="para">
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The identifier of the font to be used. If not font is specified
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the current font will be used.
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</p>
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</dd>
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<dt>
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<code class="parameter">size</code></dt>
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<dd>
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<p class="para">
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The size of the font. If no size is specified the current size
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is used.
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.ps-stringwidth-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Width of a string in points.
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.ps-stringwidth-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="ps_string_geometry.html" class="function" rel="rdfs-seeAlso">ps_string_geometry()</a> - Gets geometry of a string</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |