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7<title>GetGpsAreaInformationPointer</title>
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10<h1><CODE><a href="../../../../nn/Overview.html">nn</a>::<a href="../../../../nn/jpeg/Overview.html">jpeg</a>::<a href="../../../../nn/jpeg/CTR/Overview.html">CTR</a>::<a href="../../../../nn/jpeg/CTR/JpegMpDecoder/Overview.html">JpegMpDecoder</a>::GetGpsAreaInformationPointer</CODE> Member Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">#include &lt;nn/jpeg.h&gt;
14
15static const <a href="../../../../nn_types/u8.html">u8</a> * GetGpsAreaInformationPointer(
16     const <a href="../../../../nn/jpeg/CTR/GpsData/Overview.html">GpsData</a> * pGps
17);
18</pre>
19    </div>
20<h2>Parameters</h2>
21    <div class="section">
22      <table class="arguments">
23        <thead>
24          <tr>
25            <td width="15" />
26<th>Name</th>
27<td>Description</td>
28          </tr>
29        </thead>
30        <tr>
31<td>in</td>
32<th>pGps</th>
33<td>Specifies the GPS IFD. Call the <CODE><a href="../../../../nn/jpeg/CTR/JpegMpDecoder/GetLastGpsData.html">GetLastGpsData</a></CODE> function to obtain this.</td>
34        </tr> </table>
35    </div>
36<h2>Return Values</h2>
37<div class="section">If successful, the function returns a pointer to the name of the located position. Returns <CODE>NULL</CODE> on failure. </div>
38<h2>Description</h2>
39    <div class="section">
40<p>Gets the name of the located position included in GPS IFD.</p><p>This function needs image data to get the information. Do not destroy the GPS IFD structure.</p><p>This data (text string) does not end in zero. Use the <CODE><a href="../../../../nn/jpeg/CTR/JpegMpDecoder/GetGpsAreaInformationSize.html">GetGpsAreaInformationSize</a></CODE> to get the size of data in bytes. If the size of the data is <CODE>0</CODE> bytes, both that function and this function fail.</p><!-- write here --></div>
41<h2>Revision History</h2>
42    <div class="section">
43      <dl class="history">
44        <dt>2010/10/21</dt>
45<dd>Initial version.<br />
46        </dd>
47      </dl>
48    </div>
49  <hr><p>CONFIDENTIAL</p></body>
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51