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<div id="projectname">Assimp
 <span id="projectnumber">v3.1.1 (June 2014)</span>
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<div class="title">Assimp::ProgressHandler Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>CPP-API: Abstract interface for custom progress report receivers.
<a href="class_assimp_1_1_progress_handler.html#details">More...</a></p>
<p>Inherits AllocateFromAssimpHeap.</p>
<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:ab08a1d300d434f6dd86ca41747cba448"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_assimp_1_1_progress_handler.html#ab08a1d300d434f6dd86ca41747cba448">Update</a> (float percentage=-1.f)=0</td></tr>
<tr class="memdesc:ab08a1d300d434f6dd86ca41747cba448"><td class="mdescLeft"> </td><td class="mdescRight">Progress callback. <a href="#ab08a1d300d434f6dd86ca41747cba448">More...</a><br /></td></tr>
<tr class="separator:ab08a1d300d434f6dd86ca41747cba448"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3ec465a62e1feaae00f585ca0cffb81e"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_assimp_1_1_progress_handler.html#a3ec465a62e1feaae00f585ca0cffb81e">~ProgressHandler</a> ()</td></tr>
<tr class="memdesc:a3ec465a62e1feaae00f585ca0cffb81e"><td class="mdescLeft"> </td><td class="mdescRight">Virtual destructor. <a href="#a3ec465a62e1feaae00f585ca0cffb81e">More...</a><br /></td></tr>
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<tr class="memitem:a53b192913e9904c674b851c46e1ea9e8"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_assimp_1_1_progress_handler.html#a53b192913e9904c674b851c46e1ea9e8">ProgressHandler</a> ()</td></tr>
<tr class="memdesc:a53b192913e9904c674b851c46e1ea9e8"><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <a href="#a53b192913e9904c674b851c46e1ea9e8">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>CPP-API: Abstract interface for custom progress report receivers. </p>
<p>Each #Importer instance maintains its own <a class="el" href="class_assimp_1_1_progress_handler.html#a53b192913e9904c674b851c46e1ea9e8" title="Default constructor. ">ProgressHandler</a>. The default implementation provided by <a class="el" href="namespace_assimp.html" title="Assimp's CPP-API and all internal APIs. ">Assimp</a> doesn't do anything at all. </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">Assimp::ProgressHandler::ProgressHandler </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<p>Default constructor. </p>
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<td class="memname">virtual Assimp::ProgressHandler::~ProgressHandler </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Virtual destructor. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">virtual bool Assimp::ProgressHandler::Update </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"><em>percentage</em> = <code>-1.f</code></td><td>)</td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>Progress callback. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">percentage</td><td>An estimate of the current loading progress, in percent. Or -1.f if such an estimate is not available.</td></tr>
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</dd>
</dl>
<p>There are restriction on what you may do from within your implementation of this method: no exceptions may be thrown and no non-const #Importer methods may be called. It is not generally possible to predict the number of callbacks fired during a single import.</p>
<dl class="section return"><dt>Returns</dt><dd>Return false to abort loading at the next possible occasion (loaders and <a class="el" href="namespace_assimp.html" title="Assimp's CPP-API and all internal APIs. ">Assimp</a> are generally allowed to perform all needed cleanup tasks prior to returning control to the caller). If the loading is aborted, #Importer::ReadFile() returns always NULL.</dd></dl>
<dl class="section note"><dt>Note</dt><dd>Currently, percentage is always -1.f because there is no reliable way to compute it. </dd></dl>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="_progress_handler_8hpp.html">ProgressHandler.hpp</a></li>
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