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7<title>GetLastTwlUserMakerNoteSize</title>
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9  <body>
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>::GetLastTwlUserMakerNoteSize</CODE> Member Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">#include &lt;nn/jpeg.h&gt;
14
15size_t GetLastTwlUserMakerNoteSize() const;
16</pre>
17    </div>
18<h2>Parameters</h2>
19    <div class="section">
20<p>None.</p>
21    </div>
22<h2>Return Values</h2>
23<div class="section">If successful, returns the size of the Maker Note in bytes. Returns <CODE>0</CODE> on failure. </div>
24<h2>Description</h2>
25    <div class="section">
26<p>Gets the size in bytes of the Maker Note for Nintendo DSi applications of the image that was either decoded or whose EXIF information was extracted immediately previous to this call.</p><p>If that processing fails, this function also fails. This function needs the image data to get the information, so do not destroy the image data.</p><p>Use the <CODE><a href="../../../../nn/jpeg/CTR/JpegMpDecoder/GetLastTwlUserMakerNotePointer.html">GetLastTwlUserMakerNotePointer</a></CODE> function to get a pointer to the Maker Note data.</p><p>Success of this function does not guarantee that the image was taken with a Nintendo DSi application.</p><p>Use the <CODE><a href="../../../../nn/jpeg/CTR/JpegMpDecoder/GetLastUserMakerNotePointer.html">GetLastUserMakerNotePointer</a></CODE> and <CODE><a href="../../../../nn/jpeg/CTR/JpegMpDecoder/GetLastUserMakerNoteSize.html">GetLastUserMakerNoteSize</a></CODE> functions to get the CTR application Maker Note.</p><!-- write here --></div>
27<h2>Revision History</h2>
28    <div class="section">
29      <dl class="history">
30        <dt>2010/06/14</dt>
31<dd>Initial version.<br />
32        </dd>
33      </dl>
34    </div>
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37