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7<title>GetMpImageUidListOffset</title>
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10<h1><CODE>nn::jpeg::CTR::JpegMpDecoder::GetMpImageUidListOffset</CODE> Member Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">#include &lt;nn/jpeg.h&gt;
14static size_t GetMpImageUidListOffset(
15     const <a href="../../../../nn/jpeg/CTR/MpIndex/Overview.html">MpIndex</a> * pIndex
16);
17</pre>
18    </div>
19<h2>Arguments</h2>
20    <div class="section">
21      <table class="arguments">
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23          <tr>
24            <td width="15" />
25<th>Name</th>
26<td>Description</td>
27          </tr>
28        </thead>
29        <tr>
30<td>in</td>
31<th>pIndex</th>
32<td>Specifies the MP Index IFD. To get this ahead of time, use the <CODE><a href="../../../../nn/jpeg/CTR/JpegMpDecoder/GetMpIndex.html">GetMpIndex</a></CODE> function.</td>
33        </tr> </table>
34    </div>
35<h2>Return Values</h2>
36<div class="section">If successful, returns the byte offset to the unique ID list for individual images.<br />Returns <CODE>0</CODE> on failure. </div>
37<h2>Description</h2>
38    <div class="section">
39<p>Gets the byte offset from the starting image to the unique ID list for individual images. This offset is included in the MP Index IFD.</p><p>The unique ID list for individual images is an MP format option tag and cannot necessarily be obtained for all images. Use the <CODE><a href="../../../../nn/jpeg/CTR/JpegMpDecoder/GetMpImageUidListSize.html">GetMpImageUidListSize</a></CODE> function to get the size of the list in bytes.</p><p>The application must confirm whether the region indicated by this obtained byte offset and the byte size obtained from the <CODE><a href="../../../../nn/jpeg/CTR/JpegMpDecoder/GetMpImageSize.html">GetMpImageSize</a></CODE> function is a valid region.</p><!-- write here --></div>
40<h2>Revision History</h2>
41    <div class="section">
42      <dl class="history">
43        <dt>2010/06/14</dt>
44<dd>Initial version.<br />
45        </dd>
46      </dl>
47    </div>
48  <hr><p>CONFIDENTIAL</p></body>
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