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Added JPGraph v3.5.0b1
2011-05-28 09:51:52 +00:00
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>A template to create barcodes</title><link rel="stylesheet" type="text/css" href="manual.css"><meta name="generator" content="DocBook XSL Stylesheets V1.76.0"><link rel="home" href="index.html" title="JpGraph Manual"><link rel="up" href="ch25.html" title="Chapter 25. PDF417 (2D-Barcode)"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">A template to create barcodes</th></tr><tr><td width="20%" align="left"> </td><th width="60%" align="center">Chapter 25. PDF417 (2D-Barcode)</th><td width="20%" align="right"> </td></tr></table><hr></div><div class="sect1" title="A template to create barcodes"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2602287"></a>A template to create barcodes</h2></div></div></div>
<p>In the example directory in the distribution ('<code class="filename">pdf417/examples</code>')
you can find many more examples on how to create barcodes. As a good start the following
(simple) template may be used as a base for further customizations.</p>
<p>
</p><div class="hl-main"><table class="hl-table" width="100%"><tr><td class="hl-gutter" align="right" valign="top"><pre>1
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</pre></td><td class="hl-main" valign="top"><pre><span class="hl-inlinetags">&lt;?php</span><span class="hl-code">
</span><span class="hl-reserved">require_once</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">jpgraph/pdf417/jpgraph_pdf417.php</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$data</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">PDF-417</span><span class="hl-quotes">'</span><span class="hl-code">;
</span><span class="hl-comment">//</span><span class="hl-comment"> Specification for barcode</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$columns</span><span class="hl-code"> = </span><span class="hl-number">8</span><span class="hl-code">; </span><span class="hl-comment">//</span><span class="hl-comment"> Use 8 data (payload) columns</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$errlevel</span><span class="hl-code"> = </span><span class="hl-number">4</span><span class="hl-code">; </span><span class="hl-comment">//</span><span class="hl-comment"> Use error level 4</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$modwidth</span><span class="hl-code"> = </span><span class="hl-number">2</span><span class="hl-code">; </span><span class="hl-comment">//</span><span class="hl-comment"> Setup module width (in pixels)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$height</span><span class="hl-code"> = </span><span class="hl-number">2</span><span class="hl-code">; </span><span class="hl-comment">//</span><span class="hl-comment"> Height factor (=2)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$truncated</span><span class="hl-code"> = </span><span class="hl-reserved">false</span><span class="hl-code">; </span><span class="hl-comment">//</span><span class="hl-comment"> Don't truncate </span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$showtext</span><span class="hl-code"> = </span><span class="hl-reserved">false</span><span class="hl-code">; </span><span class="hl-comment">//</span><span class="hl-comment"> Show human readable string</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-comment">//</span><span class="hl-comment"> Create a new encoder and backend to generate images</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-reserved">try</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
</span><span class="hl-var">$encoder</span><span class="hl-code"> = </span><span class="hl-reserved">new</span><span class="hl-code"> </span><span class="hl-identifier">PDF417Barcode</span><span class="hl-brackets">(</span><span class="hl-var">$columns</span><span class="hl-code">,</span><span class="hl-var">$errlevel</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$encoder</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetTruncated</span><span class="hl-code"> </span><span class="hl-brackets">(</span><span class="hl-var">$truncated</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$backend</span><span class="hl-code"> = </span><span class="hl-identifier">PDF417BackendFactory</span><span class="hl-code">::</span><span class="hl-identifier">Create</span><span class="hl-brackets">(</span><span class="hl-identifier">BACKEND_IMAGE</span><span class="hl-code">,</span><span class="hl-var">$encoder</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetModuleWidth</span><span class="hl-brackets">(</span><span class="hl-var">$modwidth</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetHeight</span><span class="hl-brackets">(</span><span class="hl-var">$height</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">NoText</span><span class="hl-brackets">(</span><span class="hl-code">!</span><span class="hl-var">$showtext</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Stroke</span><span class="hl-brackets">(</span><span class="hl-var">$data</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-brackets">}</span><span class="hl-code">
</span><span class="hl-reserved">catch</span><span class="hl-brackets">(</span><span class="hl-identifier">JpGraphException</span><span class="hl-code"> </span><span class="hl-var">$e</span><span class="hl-brackets">)</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
</span><span class="hl-reserved">echo</span><span class="hl-code"> </span><span class="hl-quotes">'</span><span class="hl-string">PDF417 Error: </span><span class="hl-quotes">'</span><span class="hl-code">.</span><span class="hl-var">$e</span><span class="hl-code">-&gt;</span><span class="hl-identifier">GetMessage</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-brackets">}</span><span class="hl-code">
</span><span class="hl-inlinetags">?&gt;</span></pre></td></tr></table></div><p>
</p>
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