grouille / IMA3_P10

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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Example script</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="ch26.html" title="Chapter 26. Datamatrix (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">Example script</th></tr><tr><td width="20%" align="left"> </td><th width="60%" align="center">Chapter 26. Datamatrix (2D-Barcode)</th><td width="20%" align="right"> </td></tr></table><hr></div><div class="sect1" title="Example script"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2607625"></a>Example script</h2></div></div></div>
        
        <div class="sect2" title="Example 1 - Setting the shape"><div class="titlepage"><div><div><h3 class="title"><a name="id2607662"></a>Example 1 - Setting the shape</h3></div></div></div>
            
            <p>The following example shows how to</p>
            <p>
                </p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
                        <p>Set the shape to 64x64</p>
                    </li><li class="listitem">
                        <p>Use ASCII encoding</p>
                    </li><li class="listitem">
                        <p>Adjust the quiet zone</p>
                    </li></ul></div><p>
            </p>
            <p>
                </p><div class="example"><a name="example.datamatrix_ex4"></a><p class="title"><b>Example 26.4. Datamatrix example, setting quiet zone and ASCII encoding (<code class="filename">datamatrix_ex4.php</code>) </b></p><div class="example-contents">  <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/datamatrix/datamatrix.inc.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">This is a 64x64 datamatrix symbol</span><span class="hl-quotes">'</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Create and set parameters for the encoder</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$encoder</span><span class="hl-code"> = </span><span class="hl-identifier">DatamatrixFactory</span><span class="hl-code">::</span><span class="hl-identifier">Create</span><span class="hl-brackets">(</span><span class="hl-identifier">DMAT_64x64</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$encoder</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetEncoding</span><span class="hl-brackets">(</span><span class="hl-identifier">ENCODING_TEXT</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Create the image backend (default)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code"> = </span><span class="hl-identifier">DatamatrixBackendFactory</span><span class="hl-code">::</span><span class="hl-identifier">Create</span><span class="hl-brackets">(</span><span class="hl-var">$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-number">3</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Adjust the Quiet zone</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetQuietZone</span><span class="hl-brackets">(</span><span class="hl-number">10</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Create the barcode from the given data string and write to output file</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">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Stroke</span><span class="hl-brackets">(</span><span class="hl-var">$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-code"> </span><span class="hl-brackets">(</span><span class="hl-identifier">Exception</span><span class="hl-code"> </span><span class="hl-var">$e</span><span class="hl-brackets">)</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-var">$errstr</span><span class="hl-code"> = </span><span class="hl-var">$e</span><span class="hl-code">-&gt;</span><span class="hl-identifier">GetMessage</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
    </span><span class="hl-reserved">echo</span><span class="hl-code"> </span><span class="hl-quotes">&quot;</span><span class="hl-string">Datamatrix error message: </span><span class="hl-var">$errstr</span><span class="hl-special">\n</span><span class="hl-quotes">&quot;</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></div></div><p><br class="example-break">  </p><div class="figure"><a name="fig.datamatrix_ex4"></a><p class="title"><b>Figure 26.10. Datamatrix example, setting quiet zone and ASCII encoding <code class="uri"><a class="uri" href="example_src/datamatrix_ex4.html" target="_top">(<code class="filename">datamatrix_ex4.php</code>)</a></code> </b></p><div class="figure-contents">  <span class="inlinemediaobject"><img src="images/datamatrix_ex4.png" alt="Datamatrix example, setting quiet zone and ASCII encoding (datamatrix_ex4.php)"></span> </div></div><p><br class="figure-break">
            </p>
        </div>
        <div class="sect2" title="Example 2 - Writing to a file"><div class="titlepage"><div><div><h3 class="title"><a name="id2607759"></a>Example 2 - Writing to a file</h3></div></div></div>
            
            <p>The following example shows how to generate a barcode and write it to a
                file.</p>
            <p>
                </p><div class="example"><a name="example.datamatrix_ex6"></a><p class="title"><b>Example 26.5. Datamatrix example, writing to a file (<code class="filename">datamatrix_ex6.php</code>) </b></p><div class="example-contents">  <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/datamatrix/datamatrix.inc.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">This is a datamatrix symbol</span><span class="hl-quotes">'</span><span class="hl-code">;
 
</span><span class="hl-var">$outputfile</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">dm_ex6.png</span><span class="hl-quotes">'</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Create and set parameters for the encoder</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$encoder</span><span class="hl-code"> = </span><span class="hl-identifier">DatamatrixFactory</span><span class="hl-code">::</span><span class="hl-identifier">Create</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$encoder</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetEncoding</span><span class="hl-brackets">(</span><span class="hl-identifier">ENCODING_TEXT</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Create the image backend (default)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code"> = </span><span class="hl-identifier">DatamatrixBackendFactory</span><span class="hl-code">::</span><span class="hl-identifier">Create</span><span class="hl-brackets">(</span><span class="hl-var">$encoder</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetModuleWidth</span><span class="hl-brackets">(</span><span class="hl-number">5</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetQuietZone</span><span class="hl-brackets">(</span><span class="hl-number">10</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Set other than default colors (one, zero, background)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetColor</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">navy</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-quotes">'</span><span class="hl-string">white</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Create the barcode from the given data string and write to output file</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$dir</span><span class="hl-code"> = </span><span class="hl-identifier">dirname</span><span class="hl-brackets">(</span><span class="hl-reserved">__FILE__</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$file</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">&lt;span style=&quot;font-weight:bold;&quot;&gt;&quot;</span><span class="hl-quotes">'</span><span class="hl-code">.</span><span class="hl-var">$dir</span><span class="hl-code">.</span><span class="hl-quotes">'</span><span class="hl-string">/</span><span class="hl-quotes">'</span><span class="hl-code">.</span><span class="hl-var">$outputfile</span><span class="hl-code">.</span><span class="hl-quotes">'</span><span class="hl-string">&quot;&lt;/span&gt;</span><span class="hl-quotes">'</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">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Stroke</span><span class="hl-brackets">(</span><span class="hl-var">$data</span><span class="hl-code">,</span><span class="hl-var">$outputfile</span><span class="hl-brackets">)</span><span class="hl-code">;
    </span><span class="hl-reserved">echo</span><span class="hl-code"> </span><span class="hl-quotes">'</span><span class="hl-string">Barcode sucessfully written to file: </span><span class="hl-quotes">'</span><span class="hl-code">.</span><span class="hl-var">$file</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-code"> </span><span class="hl-brackets">(</span><span class="hl-identifier">Exception</span><span class="hl-code"> </span><span class="hl-var">$e</span><span class="hl-brackets">)</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-var">$errstr</span><span class="hl-code"> = </span><span class="hl-var">$e</span><span class="hl-code">-&gt;</span><span class="hl-identifier">GetMessage</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
    </span><span class="hl-var">$errcode</span><span class="hl-code"> = </span><span class="hl-var">$e</span><span class="hl-code">-&gt;</span><span class="hl-identifier">GetCode</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
    </span><span class="hl-reserved">echo</span><span class="hl-code"> </span><span class="hl-quotes">&quot;</span><span class="hl-string">Failed writing file: </span><span class="hl-quotes">&quot;</span><span class="hl-code">.</span><span class="hl-var">$file</span><span class="hl-code">.</span><span class="hl-quotes">'</span><span class="hl-string">&lt;br&gt;</span><span class="hl-quotes">'</span><span class="hl-code">;
    </span><span class="hl-reserved">echo</span><span class="hl-code"> </span><span class="hl-quotes">&quot;</span><span class="hl-string">Datamatrix error (</span><span class="hl-var">$errcode</span><span class="hl-string">). Message: </span><span class="hl-var">$errstr</span><span class="hl-special">\n</span><span class="hl-quotes">&quot;</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></div></div><p><br class="example-break"> 
            </p>
        </div>
        <div class="sect2" title="Example 3 - Creating postscript output"><div class="titlepage"><div><div><h3 class="title"><a name="id2607790"></a>Example 3 - Creating postscript output</h3></div></div></div>
            
            <p>The following example shows hot to generate a postscript output.</p>
            <p>When </p>
            <p>
                </p><div class="example"><a name="example.datamatrix_ex7"></a><p class="title"><b>Example 26.6. Datamatrix example, creating postscript output (<code class="filename">datamatrix_ex7.php</code>) </b></p><div class="example-contents">  <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/datamatrix/datamatrix.inc.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">A Datamatrix barcode</span><span class="hl-quotes">'</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Create and set parameters for the encoder</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$encoder</span><span class="hl-code"> = </span><span class="hl-identifier">DatamatrixFactory</span><span class="hl-code">::</span><span class="hl-identifier">Create</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$encoder</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetEncoding</span><span class="hl-brackets">(</span><span class="hl-identifier">ENCODING_BASE256</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Create the image backend (default)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code"> = </span><span class="hl-identifier">DatamatrixBackendFactory</span><span class="hl-code">::</span><span class="hl-identifier">Create</span><span class="hl-brackets">(</span><span class="hl-var">$encoder</span><span class="hl-code">, </span><span class="hl-identifier">BACKEND_ASCII</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-number">3</span><span class="hl-brackets">)</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">$ps_txt</span><span class="hl-code"> = </span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Stroke</span><span class="hl-brackets">(</span><span class="hl-var">$data</span><span class="hl-brackets">)</span><span class="hl-code">;
    </span><span class="hl-reserved">echo</span><span class="hl-code"> </span><span class="hl-quotes">'</span><span class="hl-string">&lt;pre&gt;</span><span class="hl-quotes">'</span><span class="hl-code">.</span><span class="hl-var">$ps_txt</span><span class="hl-code">.</span><span class="hl-quotes">'</span><span class="hl-string">&lt;/pre&gt;</span><span class="hl-quotes">'</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-code"> </span><span class="hl-brackets">(</span><span class="hl-identifier">Exception</span><span class="hl-code"> </span><span class="hl-var">$e</span><span class="hl-brackets">)</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-var">$errstr</span><span class="hl-code"> = </span><span class="hl-var">$e</span><span class="hl-code">-&gt;</span><span class="hl-identifier">GetMessage</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
    </span><span class="hl-reserved">echo</span><span class="hl-code"> </span><span class="hl-quotes">&quot;</span><span class="hl-string">Datamatrix error message: </span><span class="hl-var">$errstr</span><span class="hl-special">\n</span><span class="hl-quotes">&quot;</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></div></div><p><br class="example-break"> 
            </p>
            <p>The resulting output is shown in <a class="xref" href="ch26s03.html#fig.datamatrix-postscript-output" title="Figure 26.11. Datamatrix postscript output">Figure 26.11. Datamatrix postscript output</a> below</p>
            <div class="figure"><a name="fig.datamatrix-postscript-output"></a><p class="title"><b>Figure 26.11. Datamatrix postscript output</b></p><div class="figure-contents">
                
                <div class="mediaobject"><img src="images/datamatrix-ps-output.png" alt="Datamatrix postscript output"></div>
            </div></div><br class="figure-break">
        </div>
        <div class="sect2" title="Example 4 - Changing background color"><div class="titlepage"><div><div><h3 class="title"><a name="id2607848"></a>Example 4 - Changing background color</h3></div></div></div>
            
            <p>The following example shows how to modify the colors in the barcode.</p>
            <p>
                </p><div class="example"><a name="example.datamatrix_ex5"></a><p class="title"><b>Example 26.7. Datamatrix example, changing colors (<code class="filename">datamatrix_ex5.php</code>) </b></p><div class="example-contents">  <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/datamatrix/datamatrix.inc.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">This is a 20x20 symbol</span><span class="hl-quotes">'</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Create and set parameters for the encoder</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$encoder</span><span class="hl-code"> = </span><span class="hl-identifier">DatamatrixFactory</span><span class="hl-code">::</span><span class="hl-identifier">Create</span><span class="hl-brackets">(</span><span class="hl-identifier">DMAT_20x20</span><span class="hl-brackets">)</span><span class="hl-code">;
</span><span class="hl-var">$encoder</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetEncoding</span><span class="hl-brackets">(</span><span class="hl-identifier">ENCODING_TEXT</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Create the image backend (default)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code"> = </span><span class="hl-identifier">DatamatrixBackendFactory</span><span class="hl-code">::</span><span class="hl-identifier">Create</span><span class="hl-brackets">(</span><span class="hl-var">$encoder</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> By default the module width is 2 pixel so we increase it a bit</span><span class="hl-comment"></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-number">4</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Set Quiet zone</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetQuietZone</span><span class="hl-brackets">(</span><span class="hl-number">10</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Set other than default colors (one, zero, quiet zone/background)</span><span class="hl-comment"></span><span class="hl-code">
</span><span class="hl-var">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">SetColor</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">navy</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-quotes">'</span><span class="hl-string">white</span><span class="hl-quotes">'</span><span class="hl-code">,</span><span class="hl-quotes">'</span><span class="hl-string">lightgray</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
 
</span><span class="hl-comment">//</span><span class="hl-comment"> Create the barcode from the given data string and write to output file</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">$backend</span><span class="hl-code">-&gt;</span><span class="hl-identifier">Stroke</span><span class="hl-brackets">(</span><span class="hl-var">$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-code"> </span><span class="hl-brackets">(</span><span class="hl-identifier">Exception</span><span class="hl-code"> </span><span class="hl-var">$e</span><span class="hl-brackets">)</span><span class="hl-code"> </span><span class="hl-brackets">{</span><span class="hl-code">
    </span><span class="hl-var">$errstr</span><span class="hl-code"> = </span><span class="hl-var">$e</span><span class="hl-code">-&gt;</span><span class="hl-identifier">GetMessage</span><span class="hl-brackets">(</span><span class="hl-brackets">)</span><span class="hl-code">;
    </span><span class="hl-reserved">echo</span><span class="hl-code"> </span><span class="hl-quotes">&quot;</span><span class="hl-string">Datamatrix error message: </span><span class="hl-var">$errstr</span><span class="hl-special">\n</span><span class="hl-quotes">&quot;</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></div></div><p><br class="example-break">  </p><div class="figure"><a name="fig.datamatrix_ex5"></a><p class="title"><b>Figure 26.12. Datamatrix example, changing colors <code class="uri"><a class="uri" href="example_src/datamatrix_ex5.html" target="_top">(<code class="filename">datamatrix_ex5.php</code>)</a></code> </b></p><div class="figure-contents">  <span class="inlinemediaobject"><img src="images/datamatrix_ex5.png" alt="Datamatrix example, changing colors (datamatrix_ex5.php)"></span> </div></div><p><br class="figure-break">
            </p>
        </div>
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