uTools-Manuals/docs/php/ps_get_value.html
2019-04-28 19:00:34 +08:00

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