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<span id="sfml">SFML 2.5.1</span>
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<p>Base module of SFML, defining various utilities.
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1Clock.html">sf::Clock</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Utility class that measures the elapsed time. <a href="classsf_1_1Clock.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1FileInputStream.html">sf::FileInputStream</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Implementation of input stream based on a file. <a href="classsf_1_1FileInputStream.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1InputStream.html">sf::InputStream</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Abstract class for custom file input streams. <a href="classsf_1_1InputStream.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1Lock.html">sf::Lock</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Automatic wrapper for locking and unlocking mutexes. <a href="classsf_1_1Lock.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1MemoryInputStream.html">sf::MemoryInputStream</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Implementation of input stream based on a memory chunk. <a href="classsf_1_1MemoryInputStream.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1Mutex.html">sf::Mutex</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Blocks concurrent access to shared resources from multiple threads. <a href="classsf_1_1Mutex.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1NonCopyable.html">sf::NonCopyable</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Utility class that makes any derived class non-copyable. <a href="classsf_1_1NonCopyable.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1String.html">sf::String</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Utility string class that automatically handles conversions between types and encodings. <a href="classsf_1_1String.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1Thread.html">sf::Thread</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Utility class to manipulate threads. <a href="classsf_1_1Thread.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1ThreadLocal.html">sf::ThreadLocal</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Defines variables with thread-local storage. <a href="classsf_1_1ThreadLocal.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1ThreadLocalPtr.html">sf::ThreadLocalPtr&lt; T &gt;</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to a thread-local variable. <a href="classsf_1_1ThreadLocalPtr.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1Time.html">sf::Time</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Represents a time value. <a href="classsf_1_1Time.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1Utf.html">sf::Utf&lt; N &gt;</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Utility class providing generic functions for UTF conversions. <a href="classsf_1_1Utf.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1Vector2.html">sf::Vector2&lt; T &gt;</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Utility template class for manipulating 2-dimensional vectors. <a href="classsf_1_1Vector2.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1Vector3.html">sf::Vector3&lt; T &gt;</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Utility template class for manipulating 3-dimensional vectors. <a href="classsf_1_1Vector3.html#details">More...</a><br /></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:ga235cf5cded738208fc8f28a5b67b371a"><td class="memItemLeft" align="right" valign="top">ANativeActivity *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__system.html#ga235cf5cded738208fc8f28a5b67b371a">sf::getNativeActivity</a> ()</td></tr>
<tr class="memdesc:ga235cf5cded738208fc8f28a5b67b371a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return a pointer to the Android native activity. <a href="group__system.html#ga235cf5cded738208fc8f28a5b67b371a">More...</a><br /></td></tr>
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<tr class="memitem:gab8c0d1f966b4e5110fd370b662d8c11b"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__system.html#gab8c0d1f966b4e5110fd370b662d8c11b">sf::sleep</a> (<a class="el" href="classsf_1_1Time.html">Time</a> duration)</td></tr>
<tr class="memdesc:gab8c0d1f966b4e5110fd370b662d8c11b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Make the current thread sleep for a given duration. <a href="group__system.html#gab8c0d1f966b4e5110fd370b662d8c11b">More...</a><br /></td></tr>
<tr class="separator:gab8c0d1f966b4e5110fd370b662d8c11b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga7fe7f475639e26334606b5142c29551f"><td class="memItemLeft" align="right" valign="top">std::ostream &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__system.html#ga7fe7f475639e26334606b5142c29551f">sf::err</a> ()</td></tr>
<tr class="memdesc:ga7fe7f475639e26334606b5142c29551f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Standard stream used by SFML to output warnings and errors. <a href="group__system.html#ga7fe7f475639e26334606b5142c29551f">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Base module of SFML, defining various utilities. </p>
<p>It provides vector classes, Unicode strings and conversion functions, threads and mutexes, timing classes. </p>
<h2 class="groupheader">Function Documentation</h2>
<a id="ga7fe7f475639e26334606b5142c29551f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga7fe7f475639e26334606b5142c29551f">&#9670;&nbsp;</a></span>err()</h2>
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<td class="memname">sf::err </td>
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<p>Standard stream used by SFML to output warnings and errors. </p>
<p>By default, <a class="el" href="group__system.html#ga7fe7f475639e26334606b5142c29551f" title="Standard stream used by SFML to output warnings and errors. ">sf::err()</a> outputs to the same location as std::cerr, (-&gt; the stderr descriptor) which is the console if there's one available.</p>
<p>It is a standard std::ostream instance, so it supports all the insertion operations defined by the STL (operator &lt;&lt;, manipulators, etc.).</p>
<p><a class="el" href="group__system.html#ga7fe7f475639e26334606b5142c29551f" title="Standard stream used by SFML to output warnings and errors. ">sf::err()</a> can be redirected to write to another output, independently of std::cerr, by using the rdbuf() function provided by the std::ostream class.</p>
<p>Example: </p><div class="fragment"><div class="line"><span class="comment">// Redirect to a file</span></div><div class="line">std::ofstream file(<span class="stringliteral">&quot;sfml-log.txt&quot;</span>);</div><div class="line">std::streambuf* previous = <a class="code" href="group__system.html#ga7fe7f475639e26334606b5142c29551f">sf::err</a>().rdbuf(file.rdbuf());</div><div class="line"></div><div class="line"><span class="comment">// Redirect to nothing</span></div><div class="line"><a class="code" href="group__system.html#ga7fe7f475639e26334606b5142c29551f">sf::err</a>().rdbuf(NULL);</div><div class="line"></div><div class="line"><span class="comment">// Restore the original output</span></div><div class="line"><a class="code" href="group__system.html#ga7fe7f475639e26334606b5142c29551f">sf::err</a>().rdbuf(previous);</div></div><!-- fragment --><dl class="section return"><dt>Returns</dt><dd>Reference to std::ostream representing the SFML error stream </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga235cf5cded738208fc8f28a5b67b371a">&#9670;&nbsp;</a></span>getNativeActivity()</h2>
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<td class="memname">ANativeActivity* sf::getNativeActivity </td>
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<td class="paramname"></td><td>)</td>
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<p>Return a pointer to the Android native activity. </p>
<p>You shouldn't have to use this function, unless you want to implement very specific details, that SFML doesn't support, or to use a workaround for a known issue.</p>
<dl class="section return"><dt>Returns</dt><dd>Pointer to Android native activity structure</dd></dl>
<dl class="attention">
<dt>Platform Limitation</dt>
<dd><b>This is only available on Android</b> and to use it, you'll have to specifically include <a class="el" href="NativeActivity_8hpp_source.html">SFML/System/NativeActivity.hpp</a> in your code.</dd>
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<a id="gab8c0d1f966b4e5110fd370b662d8c11b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gab8c0d1f966b4e5110fd370b662d8c11b">&#9670;&nbsp;</a></span>sleep()</h2>
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<td class="memname">void sf::sleep </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classsf_1_1Time.html">Time</a>&#160;</td>
<td class="paramname"><em>duration</em></td><td>)</td>
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<p>Make the current thread sleep for a given duration. </p>
<p>sf::sleep is the best way to block a program or one of its threads, as it doesn't consume any CPU power.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">duration</td><td><a class="el" href="classsf_1_1Time.html" title="Represents a time value. ">Time</a> to sleep </td></tr>
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