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36 <li><a href="functions.html"><span>Class&#160;Members</span></a></li>
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40<div class="header">
41 <div class="summary">
42<a href="#pub-methods">Public Member Functions</a> </div>
43 <div class="headertitle">
44<div class="title">QuaCrc32 Class Reference</div> </div>
45</div>
46<div class="contents">
47<!-- doxytag: class="QuaCrc32" --><!-- doxytag: inherits="QuaChecksum32" -->
48<p>CRC32 checksum.
49 <a href="classQuaCrc32.html#details">More...</a></p>
50
51<p><code>#include &lt;<a class="el" href="quacrc32_8h_source.html">quazip/quacrc32.h</a>&gt;</code></p>
52<div class="dynheader">
53Inheritance diagram for QuaCrc32:</div>
54<div class="dyncontent">
55<div class="center"><img src="classQuaCrc32__inherit__graph.png" border="0" usemap="#QuaCrc32_inherit__map" alt="Inheritance graph"/></div>
56<map name="QuaCrc32_inherit__map" id="QuaCrc32_inherit__map">
57<area shape="rect" id="node2" href="classQuaChecksum32.html" title="Checksum interface." alt="" coords="5,5,128,32"/>
58</map>
59<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
60<div class="dynheader">
61Collaboration diagram for QuaCrc32:</div>
62<div class="dyncontent">
63<div class="center"><img src="classQuaCrc32__coll__graph.png" border="0" usemap="#QuaCrc32_coll__map" alt="Collaboration graph"/></div>
64<map name="QuaCrc32_coll__map" id="QuaCrc32_coll__map">
65<area shape="rect" id="node2" href="classQuaChecksum32.html" title="Checksum interface." alt="" coords="5,5,128,32"/>
66</map>
67<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
68
69<p><a href="classQuaCrc32-members.html">List of all members.</a></p>
70<table class="memberdecls">
71<tr><td colspan="2"><h2><a name="pub-methods"></a>
72Public Member Functions</h2></td></tr>
73<tr><td class="memItemLeft" align="right" valign="top">quint32&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classQuaCrc32.html#aaf6fdf6e36e55c97bf9eab6ec65ecb9e">calculate</a> (const <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html">QByteArray</a> &amp;data)</td></tr>
74<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculates the checksum for data. <a href="#aaf6fdf6e36e55c97bf9eab6ec65ecb9e"></a><br/></td></tr>
75<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3fe7ce6cb73512c963ffaabfbbc66363"></a><!-- doxytag: member="QuaCrc32::reset" ref="a3fe7ce6cb73512c963ffaabfbbc66363" args="()" -->
76void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classQuaCrc32.html#a3fe7ce6cb73512c963ffaabfbbc66363">reset</a> ()</td></tr>
77<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Resets the calculation on a checksun for a stream. <br/></td></tr>
78<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classQuaCrc32.html#a5015d80e04afe6e6d094155b7e99888e">update</a> (const <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html">QByteArray</a> &amp;buf)</td></tr>
79<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Updates the calculated checksum for the stream. <a href="#a5015d80e04afe6e6d094155b7e99888e"></a><br/></td></tr>
80<tr><td class="memItemLeft" align="right" valign="top">quint32&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classQuaCrc32.html#a957ce46a53862f75c89d6a3ac4f73389">value</a> ()</td></tr>
81<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Value of the checksum calculated for the stream passed throw <a class="el" href="classQuaCrc32.html#a5015d80e04afe6e6d094155b7e99888e" title="Updates the calculated checksum for the stream.">update()</a>. <a href="#a957ce46a53862f75c89d6a3ac4f73389"></a><br/></td></tr>
82</table>
83<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
84<div class="textblock"><p>CRC32 checksum. </p>
85<p>This class wrappers the crc32 function with the <a class="el" href="classQuaChecksum32.html" title="Checksum interface.">QuaChecksum32</a> interface. See <a class="el" href="classQuaChecksum32.html" title="Checksum interface.">QuaChecksum32</a> for more info. </p>
86</div><hr/><h2>Member Function Documentation</h2>
87<a class="anchor" id="aaf6fdf6e36e55c97bf9eab6ec65ecb9e"></a><!-- doxytag: member="QuaCrc32::calculate" ref="aaf6fdf6e36e55c97bf9eab6ec65ecb9e" args="(const QByteArray &amp;data)" -->
88<div class="memitem">
89<div class="memproto">
90 <table class="memname">
91 <tr>
92 <td class="memname">quint32 QuaCrc32::calculate </td>
93 <td>(</td>
94 <td class="paramtype">const <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html">QByteArray</a> &amp;&#160;</td>
95 <td class="paramname"><em>data</em></td><td>)</td>
96 <td><code> [virtual]</code></td>
97 </tr>
98 </table>
99</div>
100<div class="memdoc">
101
102<p>Calculates the checksum for data. </p>
103<p><em>data</em> source data </p>
104<dl class="return"><dt><b>Returns:</b></dt><dd>data checksum</dd></dl>
105<p>This function has no efect on the value returned by <a class="el" href="classQuaCrc32.html#a957ce46a53862f75c89d6a3ac4f73389" title="Value of the checksum calculated for the stream passed throw update().">value()</a>. </p>
106
107<p>Implements <a class="el" href="classQuaChecksum32.html#a14d800fcfd55b2ae11ef07d3924fe0b1">QuaChecksum32</a>.</p>
108
109<p>References <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html#data">QByteArray::data()</a>, and <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html#size">QByteArray::size()</a>.</p>
110
111</div>
112</div>
113<a class="anchor" id="a5015d80e04afe6e6d094155b7e99888e"></a><!-- doxytag: member="QuaCrc32::update" ref="a5015d80e04afe6e6d094155b7e99888e" args="(const QByteArray &amp;buf)" -->
114<div class="memitem">
115<div class="memproto">
116 <table class="memname">
117 <tr>
118 <td class="memname">void QuaCrc32::update </td>
119 <td>(</td>
120 <td class="paramtype">const <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html">QByteArray</a> &amp;&#160;</td>
121 <td class="paramname"><em>buf</em></td><td>)</td>
122 <td><code> [virtual]</code></td>
123 </tr>
124 </table>
125</div>
126<div class="memdoc">
127
128<p>Updates the calculated checksum for the stream. </p>
129<p><em>buf</em> next portion of data from the stream </p>
130
131<p>Implements <a class="el" href="classQuaChecksum32.html#a63a6ed3171f9243214d307da67557f7e">QuaChecksum32</a>.</p>
132
133<p>References <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html#data">QByteArray::data()</a>, and <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html#size">QByteArray::size()</a>.</p>
134
135</div>
136</div>
137<a class="anchor" id="a957ce46a53862f75c89d6a3ac4f73389"></a><!-- doxytag: member="QuaCrc32::value" ref="a957ce46a53862f75c89d6a3ac4f73389" args="()" -->
138<div class="memitem">
139<div class="memproto">
140 <table class="memname">
141 <tr>
142 <td class="memname">quint32 QuaCrc32::value </td>
143 <td>(</td>
144 <td class="paramname"></td><td>)</td>
145 <td><code> [virtual]</code></td>
146 </tr>
147 </table>
148</div>
149<div class="memdoc">
150
151<p>Value of the checksum calculated for the stream passed throw <a class="el" href="classQuaCrc32.html#a5015d80e04afe6e6d094155b7e99888e" title="Updates the calculated checksum for the stream.">update()</a>. </p>
152<dl class="return"><dt><b>Returns:</b></dt><dd>checksum </dd></dl>
153
154<p>Implements <a class="el" href="classQuaChecksum32.html#afd836e7534194fce08356be6a8336da7">QuaChecksum32</a>.</p>
155
156</div>
157</div>
158<hr/>The documentation for this class was generated from the following files:<ul>
159<li>quazip/<a class="el" href="quacrc32_8h_source.html">quacrc32.h</a></li>
160<li>quazip/quacrc32.cpp</li>
161</ul>
162</div>
163<hr class="footer"/><address class="footer"><small>Generated on Sun Apr 3 2016 08:26:25 for QuaZIP by&#160;
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