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87 lines
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HTML
87 lines
7.3 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>从文件中加载一个 PostScript Type 1 字体</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.imagepsloadfont" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">imagepsloadfont</h1>
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<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">imagepsloadfont</span> — <span class="dc-title">从文件中加载一个 PostScript Type 1 字体</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.imagepsloadfont-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>imagepsloadfont</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$filename</code></span>
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) : <span class="type">resource</span></div>
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<p class="para rdfs-comment">
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从文件 <code class="parameter">filename</code> 中加载一个 PostScript Type 1 字体。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.imagepsloadfont-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">filename</code></dt>
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<dd>
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<p class="para">
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Postscript 字体文件的路径。
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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.imagepsloadfont-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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如果一切正常，将返回一个合法的字体索引以备使用。否则返回
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<strong><code>FALSE</code></strong> 并显示一条信息说明哪里错了，但不能直接读取此信息，因为输出格式是图像。 </p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.imagepsloadfont-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-3730">
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<p><strong>Example #1 <span class="function"><strong>imagepsloadfont()</strong></span> 例子</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">// Create a new image instance<br /></span><span style="color: #0000BB">$im </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecreatetruecolor</span><span style="color: #007700">(</span><span style="color: #0000BB">350</span><span style="color: #007700">, </span><span style="color: #0000BB">45</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Allocate colors and fill the background<br /></span><span style="color: #0000BB">$black </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$white </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">, </span><span style="color: #0000BB">255</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagefilledrectangle</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">349</span><span style="color: #007700">, </span><span style="color: #0000BB">44</span><span style="color: #007700">, </span><span style="color: #0000BB">$white</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Load a font, write to the image and free the font from memory<br /></span><span style="color: #0000BB">$font </span><span style="color: #007700">= </span><span style="color: #0000BB">imagepsloadfont</span><span style="color: #007700">(</span><span style="color: #DD0000">"bchbi.pfb"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagepstext</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #DD0000">"Testing... It worked!"</span><span style="color: #007700">, </span><span style="color: #0000BB">$font</span><span style="color: #007700">, </span><span style="color: #0000BB">32</span><span style="color: #007700">, </span><span style="color: #0000BB">$white</span><span style="color: #007700">, </span><span style="color: #0000BB">$black</span><span style="color: #007700">, </span><span style="color: #0000BB">32</span><span style="color: #007700">, </span><span style="color: #0000BB">32</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagepsfreefont</span><span style="color: #007700">(</span><span style="color: #0000BB">$font</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Output the image<br /></span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">'Content-type: image/png'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">imagepng</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagedestroy</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</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.imagepsloadfont-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 class="refsect1 seealso" id="refsect1-function.imagepsloadfont-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="imagepsfreefont.html" class="function" rel="rdfs-seeAlso">imagepsfreefont()</a> - 释放一个 PostScript Type 1 字体所占用的内存</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> |