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258 lines
6.3 KiB
HTML
258 lines
6.3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<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 certain parameters</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-parameter" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">ps_get_parameter</h1>
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<p class="verinfo">(PECL ps >= 1.1.0)</p><p class="refpurpose"><span class="refname">ps_get_parameter</span> — <span class="dc-title">Gets certain parameters</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.ps-get-parameter-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_parameter</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">string</span></div>
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<p class="para rdfs-comment">
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Gets several parameters which were directly set by
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<span class="function"><a href="ps_set_parameter.html" class="function">ps_set_parameter()</a></span> or indirectly by one of the other
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functions. Parameters are by definition string
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values. This function cannot be used to retrieve resources which were also
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set by <span class="function"><a href="ps_set_parameter.html" class="function">ps_set_parameter()</a></span>.
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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>fontname</em></dt>
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<dd>
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<p class="para">
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The name 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>fontencoding</em></dt>
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<dd>
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<p class="para">
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The encoding of the currently active font.
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</p>
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</dd>
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<dt>
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<em>dottedversion</em></dt>
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<dd>
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<p class="para">
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The version of the underlying pslib library in the format
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<major>.<minor>.<subminor>
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</p>
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</dd>
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<dt>
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<em>scope</em></dt>
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<dd>
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<p class="para">
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The current drawing scope. Can be object, document, null, page,
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pattern, path, template, prolog, font, glyph.
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</p>
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</dd>
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<dt>
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<em>ligaturedisolvechar</em></dt>
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<dd>
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<p class="para">
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The character which dissolves a ligature. If your are using a font
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which contains the ligature `ff' and `|' is the char to dissolve the
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ligature, then `f|f' will result in two `f' instead of the ligature `ff'.
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</p>
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</dd>
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<dt>
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<em>imageencoding</em></dt>
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<dd>
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<p class="para">
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The encoding used for encoding images. Can be either
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<em>hex</em> or <em>85</em>. hex encoding
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uses two bytes in the postscript file each byte in the image.
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85 stand for Ascii85 encoding.
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</p>
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</dd>
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<dt>
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<em>linenumbermode</em></dt>
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<dd>
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<p class="para">
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Set to <em>paragraph</em> if lines are numbered
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within a paragraph or <em>box</em> if they are
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numbered within the surrounding box.
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</p>
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</dd>
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<dt>
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<em>linebreak</em></dt>
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<dd>
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<p class="para">
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Only used if text is output with <span class="function"><a href="ps_show_boxed.html" class="function">ps_show_boxed()</a></span>.
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If set to <strong><code>TRUE</code></strong> a carriage return will add a line
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break.
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</p>
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</dd>
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<dt>
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<em>parbreak</em></dt>
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<dd>
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<p class="para">
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Only used if text is output with <span class="function"><a href="ps_show_boxed.html" class="function">ps_show_boxed()</a></span>.
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If set to <strong><code>TRUE</code></strong> a carriage return will start
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a new paragraph.
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</p>
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</dd>
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<dt>
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<em>hyphenation</em></dt>
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<dd>
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<p class="para">
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Only used if text is output with <span class="function"><a href="ps_show_boxed.html" class="function">ps_show_boxed()</a></span>.
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If set to <strong><code>TRUE</code></strong> the paragraph will be hyphenated
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if a hypen dictionary is set and exists.
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</p>
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</dd>
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<dt>
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<em>hyphendict</em></dt>
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<dd>
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<p class="para">
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Filename of the dictionary used for hyphenation pattern.
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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-parameter-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 parameter.
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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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An identifier needed if a parameter of a resource is requested,
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e.g. the size of an image. In such a case the resource id is
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passed.
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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-parameter-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 或者在失败时返回 <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-parameter-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_parameter.html" class="function" rel="rdfs-seeAlso">ps_set_parameter()</a> - Sets certain parameters</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> |