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105 lines
5.1 KiB
HTML
105 lines
5.1 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>改变字体中的字符编码矢量</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.imagepsencodefont" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">imagepsencodefont</h1>
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<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">imagepsencodefont</span> — <span class="dc-title">改变字体中的字符编码矢量</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.imagepsencodefont-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>imagepsencodefont</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$font_index</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$encodingfile</code></span>
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) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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从文件中加载字符编码矢量并用其替换给定字体的编码矢量。由于
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PostScript 字体的默认矢量缺少大多数超过 127
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的字符位置，因此如果使用其它非英语的语言的话肯定需要改变它。编码文件的确切格式定义在
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T1lib 文档中。T1lib 包含有两个可马上使用的文件，IsoLatin1.enc
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和 IsoLatin2.enc。
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</p>
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<p class="para">
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如果发现自己总是要用本函数，更好的定义编码的做法是在<a href="configuration.file.html" class="link">配置文件</a>中将
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ps.default_encoding 设定为指向正确的编码文件，这样加载的所有字体就会自动具有正确编码了。
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">此函数仅在 PHP
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编译时指定了 <strong class="option configure">--with-t1lib[=DIR]</strong>
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时可用。</span></p></blockquote>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.imagepsencodefont-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">font_index</code></dt>
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<dd>
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<p class="para">
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A font resource, returned by <span class="function"><a href="imagepsloadfont.html" class="function">imagepsloadfont()</a></span>.
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</p>
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</dd>
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<dt>
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<code class="parameter">encodingfile</code></dt>
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<dd>
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<p class="para">
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The exact format of this file is described in T1libs documentation.
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T1lib comes with two ready-to-use files,
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<var class="filename">IsoLatin1.enc</var> and
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<var class="filename">IsoLatin2.enc</var>.
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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.imagepsencodefont-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 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 examples" id="refsect1-function.imagepsencodefont-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-3727">
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<p><strong>Example #1 <span class="function"><strong>imagepsencodefont()</strong></span> example</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Load a .pfb font file<br /></span><span style="color: #0000BB">$font </span><span style="color: #007700">= </span><span style="color: #0000BB">imagepsloadfont</span><span style="color: #007700">(</span><span style="color: #DD0000">'./px3l.pfb'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Tell T1lib to use ISO Latin 1 encoding<br /></span><span style="color: #0000BB">imagepsencode</span><span style="color: #007700">(</span><span style="color: #0000BB">$font</span><span style="color: #007700">, </span><span style="color: #DD0000">'./IsoLatin1.enc'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Do any operations with the font here<br /><br />// Free the font from memory<br /></span><span style="color: #0000BB">imagepsfreefont</span><span style="color: #007700">(</span><span style="color: #0000BB">$font</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 notes" id="refsect1-function.imagepsencodefont-notes">
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<h3 class="title">注释</h3>
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<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">此函数仅在 PHP
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编译时指定了 <strong class="option configure">--with-t1lib[=DIR]</strong>
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时可用。</span></p></blockquote>
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</div>
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</div></div></div></body></html> |