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<div class="header">
<div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="classPxInputStream-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">PxInputStream Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span><div class="ingroups"><a class="el" href="group__common.html">Common</a></div></div> </div>
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<p>Input stream class for I/O.
<a href="classPxInputStream.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="PxIO_8h_source.html">PxIO.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for PxInputStream:</div>
<div class="dyncontent">
<div class="center"><img src="classPxInputStream__inherit__graph.png" border="0" usemap="#PxInputStream_inherit__map" alt="Inheritance graph"/></div>
<map name="PxInputStream_inherit__map" id="PxInputStream_inherit__map">
<area shape="rect" id="node2" href="classPxInputData.html" title="Input data class for I/O which provides random read access. " alt="" coords="132,80,225,107"/>
<area shape="rect" id="node3" href="classPxDefaultFileInputData.html" title="default implementation of a file read stream " alt="" coords="5,155,160,181"/>
<area shape="rect" id="node4" href="classPxDefaultMemoryInputData.html" title="default implementation of a memory read stream " alt="" coords="185,155,365,181"/>
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<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a74fdc1e5af87577e7cc13cc99894b2b3"><td class="memItemLeft" align="right" valign="top">virtual uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxInputStream.html#a74fdc1e5af87577e7cc13cc99894b2b3">read</a> (void *dest, uint32_t count)=0</td></tr>
<tr class="memdesc:a74fdc1e5af87577e7cc13cc99894b2b3"><td class="mdescLeft">&#160;</td><td class="mdescRight">read from the stream. The number of bytes read may be less than the number requested. <a href="#a74fdc1e5af87577e7cc13cc99894b2b3">More...</a><br /></td></tr>
<tr class="separator:a74fdc1e5af87577e7cc13cc99894b2b3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae9bbfe54d3bd96668f6dd19b30737e26"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPxInputStream.html#ae9bbfe54d3bd96668f6dd19b30737e26">~PxInputStream</a> ()</td></tr>
<tr class="separator:ae9bbfe54d3bd96668f6dd19b30737e26"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Input stream class for I/O. </p>
<p>The user needs to supply a <a class="el" href="classPxInputStream.html" title="Input stream class for I/O. ">PxInputStream</a> implementation to a number of methods to allow the SDK to read data. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="ae9bbfe54d3bd96668f6dd19b30737e26"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae9bbfe54d3bd96668f6dd19b30737e26">&#9670;&nbsp;</a></span>~PxInputStream()</h2>
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<td class="memname">virtual PxInputStream::~PxInputStream </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a74fdc1e5af87577e7cc13cc99894b2b3">&#9670;&nbsp;</a></span>read()</h2>
<div class="memitem">
<div class="memproto">
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<td class="mlabels-left">
<table class="memname">
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<td class="memname">virtual uint32_t PxInputStream::read </td>
<td>(</td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>dest</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t&#160;</td>
<td class="paramname"><em>count</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>read from the stream. The number of bytes read may be less than the number requested. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">dest</td><td>the destination address to which the data will be read </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">count</td><td>the number of bytes requested</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the number of bytes read from the stream. </dd></dl>
<p>Implemented in <a class="el" href="classPxDefaultFileInputData.html#a53cec0da0055e7a996c6d85dd9ab427b">PxDefaultFileInputData</a>, and <a class="el" href="classPxDefaultMemoryInputData.html#af668db47bc18351643ae6a78820d014c">PxDefaultMemoryInputData</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="PxIO_8h_source.html">PxIO.h</a></li>
</ul>
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