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434 lines
8.3 KiB
HTML
434 lines
8.3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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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 certain values</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-get-value" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">ps_get_value</h1>
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<p class="verinfo">(PECL ps >= 1.1.0)</p><p class="refpurpose"><span class="refname">ps_get_value</span> — <span class="dc-title">Gets certain values</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.ps-get-value-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_get_value</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$psdoc</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$name</code></span>
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[, <span class="methodparam"><span class="type">float</span> <code class="parameter">$modifier</code></span>
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] ) : <span class="type">float</span></div>
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<p class="para rdfs-comment">Gets several values which were set by
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<span class="function"><a href="ps_set_value.html" class="function">ps_set_value()</a></span>. Values are by definition float values.
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</p>
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<p class="para">
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The parameter <code class="parameter">name</code> can have the following values.
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</p>
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<p class="para">
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<dl>
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<dt>
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<em>fontsize</em></dt>
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<dd>
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<p class="para">
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The size of the currently active font or the font whose
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identifier is passed in parameter <code class="parameter">modifier</code>.
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</p>
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</dd>
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<dt>
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<em>font</em></dt>
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<dd>
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<p class="para">
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The currently active font itself.
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</p>
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</dd>
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<dt>
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<em>imagewidth</em></dt>
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<dd>
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<p class="para">
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The width of the image whose id is passed in the parameter
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<code class="parameter">modifier</code>.
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</p>
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</dd>
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<dt>
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<em>imageheight</em></dt>
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<dd>
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<p class="para">
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The height of the image whose id is passed in the parameter
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<code class="parameter">modifier</code>.
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</p>
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</dd>
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<dt>
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<em>capheight</em></dt>
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<dd>
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<p class="para">
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The height of a capital M in the currently active font or the font
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whose identifier is passed in parameter
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<code class="parameter">modifier</code>.
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</p>
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</dd>
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<dt>
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<em>ascender</em></dt>
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<dd>
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<p class="para">
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The ascender of the currently active font or the font
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whose identifier is passed in parameter
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<code class="parameter">modifier</code>.
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</p>
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</dd>
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<dt>
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<em>descender</em></dt>
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<dd>
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<p class="para">
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The descender of the currently active font or the font
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whose identifier is passed in parameter
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<code class="parameter">modifier</code>.
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</p>
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</dd>
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<dt>
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<em>italicangle</em></dt>
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<dd>
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<p class="para">
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The italicangle of the currently active font or the font
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whose identifier is passed in parameter
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<code class="parameter">modifier</code>.
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</p>
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</dd>
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<dt>
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<em>underlineposition</em></dt>
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<dd>
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<p class="para">
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The underlineposition of the currently active font or the font
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whose identifier is passed in parameter
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<code class="parameter">modifier</code>.
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</p>
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</dd>
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<dt>
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<em>underlinethickness</em></dt>
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<dd>
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<p class="para">
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The underlinethickness of the currently active font or the font
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whose identifier is passed in parameter
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<code class="parameter">modifier</code>.
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</p>
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</dd>
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<dt>
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<em>textx</em></dt>
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<dd>
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<p class="para">
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The current x-position for text output.
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</p>
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</dd>
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<dt>
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<em>texty</em></dt>
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<dd>
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<p class="para">
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The current y-position for text output.
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</p>
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</dd>
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<dt>
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<em>textrendering</em></dt>
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<dd>
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<p class="para">
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The current mode for text rendering.
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</p>
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</dd>
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<dt>
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<em>textrise</em></dt>
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<dd>
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<p class="para">
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The space by which text is risen above the base line.
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</p>
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</dd>
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<dt>
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<em>leading</em></dt>
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<dd>
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<p class="para">
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The distance between text lines in points.
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</p>
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</dd>
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<dt>
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<em>wordspacing</em></dt>
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<dd>
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<p class="para">
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The space between words as a multiple of the width of a space char.
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</p>
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</dd>
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<dt>
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<em>charspacing</em></dt>
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<dd>
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<p class="para">
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The space between chars. If charspacing is != 0.0 ligatures will
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always be dissolved.
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</p>
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</dd>
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<dt>
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<em>hyphenminchars</em></dt>
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<dd>
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<p class="para">
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Minimum number of chars hyphenated at the end of a word.
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</p>
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</dd>
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<dt>
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<em>parindent</em></dt>
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<dd>
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<p class="para">
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Indention of the first n line in a paragraph.
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</p>
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</dd>
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<dt>
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<em>numindentlines</em></dt>
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<dd>
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<p class="para">
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Number of line in a paragraph to indent if parindent != 0.0.
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</p>
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</dd>
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<dt>
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<em>parskip</em></dt>
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<dd>
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<p class="para">
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Distance between paragraphs.
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</p>
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</dd>
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<dt>
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<em>linenumberspace</em></dt>
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<dd>
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<p class="para">
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Overall space in front of each line for the line number.
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</p>
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</dd>
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<dt>
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<em>linenumbersep</em></dt>
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<dd>
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<p class="para">
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Space between the line and the line number.
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</p>
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</dd>
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<dt>
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<em>major</em></dt>
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<dd>
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<p class="para">
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The major version number of pslib.
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</p>
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</dd>
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<dt>
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<em>minor</em></dt>
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<dd>
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<p class="para">
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The minor version number of pslib.
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</p>
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</dd>
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<dt>
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<em>subminor</em>, <em>revision</em></dt>
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<dd>
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<p class="para">
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The subminor version number of pslib.
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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 parameters" id="refsect1-function.ps-get-value-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">name</code></dt>
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<dd>
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<p class="para">
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Name of the value.
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</p>
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</dd>
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<dt>
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<code class="parameter">modifier</code></dt>
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<dd>
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<p class="para">
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The parameter <code class="parameter">modifier</code> specifies the resource
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for which the value is to be retrieved. This can be the id of a font or
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an image.
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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-get-value-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns the value of the parameter or <strong><code>FALSE</code></strong>.
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.ps-get-value-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_set_value.html" class="function" rel="rdfs-seeAlso">ps_set_value()</a> - Sets certain values</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> |