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<h1>cimg_library::cimg Namespace Reference</h1>Namespace that encompasses <em>low-level</em> functions and variables of the CImg Library.  
<a href="#_details">More...</a>
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<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#c1b66fe77173de9e5e8542b2823d6071">info</a> ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Print informations about CImg environement variables.  <a href="#c1b66fe77173de9e5e8542b2823d6071"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">unsigned int &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#acf66918a1173b3f72fe6f088d94f26b">exception_mode</a> ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get/set the current <a class="el" href="structcimg__library_1_1CImg.html" title="Class representing an image (up to 4 dimensions wide), each pixel being of type T...">CImg</a> exception mode.  <a href="#acf66918a1173b3f72fe6f088d94f26b"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#93ec28267b101050d949d1ebff1b88cf">warn</a> (const char *format,...)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Display a warning message.  <a href="#93ec28267b101050d949d1ebff1b88cf"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#09e80f4d7a95f3d5c2282202d8526520">system</a> (const char *const command, const char *const module_name=0)</td></tr>

<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="f3bb87016460121409a8f1a2ebe418b1"></a><!-- doxytag: member="cimg_library::cimg::temporary" ref="f3bb87016460121409a8f1a2ebe418b1" args="(const T &amp;)" -->
template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">T &amp;&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#f3bb87016460121409a8f1a2ebe418b1">temporary</a> (const T &amp;)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return a reference to a temporary variable of type T. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="998ee77cc062d63b4faa62eb659e6e9a"></a><!-- doxytag: member="cimg_library::cimg::swap" ref="998ee77cc062d63b4faa62eb659e6e9a" args="(T &amp;a, T &amp;b)" -->
template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#998ee77cc062d63b4faa62eb659e6e9a">swap</a> (T &amp;a, T &amp;b)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Exchange values of variables <code>a</code> and <code>b</code>. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="2b733fa20def6d955d5f3b1a742b2a0e"></a><!-- doxytag: member="cimg_library::cimg::swap" ref="2b733fa20def6d955d5f3b1a742b2a0e" args="(T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2)" -->
template&lt;typename T1 , typename T2 &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#2b733fa20def6d955d5f3b1a742b2a0e">swap</a> (T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Exchange values of variables (<code>a1</code>,<code>a2</code>) and (<code>b1</code>,<code>b2</code>). <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="4954a1551001dc082044597dc9fdcbc3"></a><!-- doxytag: member="cimg_library::cimg::swap" ref="4954a1551001dc082044597dc9fdcbc3" args="(T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2, T3 &amp;a3, T3 &amp;b3)" -->
template&lt;typename T1 , typename T2 , typename T3 &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#4954a1551001dc082044597dc9fdcbc3">swap</a> (T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2, T3 &amp;a3, T3 &amp;b3)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Exchange values of variables (<code>a1</code>,<code>a2</code>,<code>a3</code>) and (<code>b1</code>,<code>b2</code>,<code>b3</code>). <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="1e3369e3c4141ff696432f35ec075379"></a><!-- doxytag: member="cimg_library::cimg::swap" ref="1e3369e3c4141ff696432f35ec075379" args="(T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2, T3 &amp;a3, T3 &amp;b3, T4 &amp;a4, T4 &amp;b4)" -->
template&lt;typename T1 , typename T2 , typename T3 , typename T4 &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#1e3369e3c4141ff696432f35ec075379">swap</a> (T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2, T3 &amp;a3, T3 &amp;b3, T4 &amp;a4, T4 &amp;b4)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Exchange values of variables (<code>a1</code>,<code>a2</code>,...,<code>a4</code>) and (<code>b1</code>,<code>b2</code>,...,<code>b4</code>). <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="635ae52148ed9edf9aeda5e81bc58884"></a><!-- doxytag: member="cimg_library::cimg::swap" ref="635ae52148ed9edf9aeda5e81bc58884" args="(T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2, T3 &amp;a3, T3 &amp;b3, T4 &amp;a4, T4 &amp;b4, T5 &amp;a5, T5 &amp;b5)" -->
template&lt;typename T1 , typename T2 , typename T3 , typename T4 , typename T5 &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#635ae52148ed9edf9aeda5e81bc58884">swap</a> (T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2, T3 &amp;a3, T3 &amp;b3, T4 &amp;a4, T4 &amp;b4, T5 &amp;a5, T5 &amp;b5)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Exchange values of variables (<code>a1</code>,<code>a2</code>,...,<code>a5</code>) and (<code>b1</code>,<code>b2</code>,...,<code>b5</code>). <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="bf3d1cd948fdbc06ba7e9b83a7169d33"></a><!-- doxytag: member="cimg_library::cimg::swap" ref="bf3d1cd948fdbc06ba7e9b83a7169d33" args="(T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2, T3 &amp;a3, T3 &amp;b3, T4 &amp;a4, T4 &amp;b4, T5 &amp;a5, T5 &amp;b5, T6 &amp;a6, T6 &amp;b6)" -->
template&lt;typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#bf3d1cd948fdbc06ba7e9b83a7169d33">swap</a> (T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2, T3 &amp;a3, T3 &amp;b3, T4 &amp;a4, T4 &amp;b4, T5 &amp;a5, T5 &amp;b5, T6 &amp;a6, T6 &amp;b6)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Exchange values of variables (<code>a1</code>,<code>a2</code>,...,<code>a6</code>) and (<code>b1</code>,<code>b2</code>,...,<code>b6</code>). <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="40c508097e570855c68bc944249ecf59"></a><!-- doxytag: member="cimg_library::cimg::swap" ref="40c508097e570855c68bc944249ecf59" args="(T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2, T3 &amp;a3, T3 &amp;b3, T4 &amp;a4, T4 &amp;b4, T5 &amp;a5, T5 &amp;b5, T6 &amp;a6, T6 &amp;b6, T7 &amp;a7, T7 &amp;b7)" -->
template&lt;typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#40c508097e570855c68bc944249ecf59">swap</a> (T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2, T3 &amp;a3, T3 &amp;b3, T4 &amp;a4, T4 &amp;b4, T5 &amp;a5, T5 &amp;b5, T6 &amp;a6, T6 &amp;b6, T7 &amp;a7, T7 &amp;b7)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Exchange values of variables (<code>a1</code>,<code>a2</code>,...,<code>a7</code>) and (<code>b1</code>,<code>b2</code>,...,<code>b7</code>). <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="ad6384858c4ccd23b249c370ccb2ed1d"></a><!-- doxytag: member="cimg_library::cimg::swap" ref="ad6384858c4ccd23b249c370ccb2ed1d" args="(T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2, T3 &amp;a3, T3 &amp;b3, T4 &amp;a4, T4 &amp;b4, T5 &amp;a5, T5 &amp;b5, T6 &amp;a6, T6 &amp;b6, T7 &amp;a7, T7 &amp;b7, T8 &amp;a8, T8 &amp;b8)" -->
template&lt;typename T1 , typename T2 , typename T3 , typename T4 , typename T5 , typename T6 , typename T7 , typename T8 &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#ad6384858c4ccd23b249c370ccb2ed1d">swap</a> (T1 &amp;a1, T1 &amp;b1, T2 &amp;a2, T2 &amp;b2, T3 &amp;a3, T3 &amp;b3, T4 &amp;a4, T4 &amp;b4, T5 &amp;a5, T5 &amp;b5, T6 &amp;a6, T6 &amp;b6, T7 &amp;a7, T7 &amp;b7, T8 &amp;a8, T8 &amp;b8)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Exchange values of variables (<code>a1</code>,<code>a2</code>,...,<code>a8</code>) and (<code>b1</code>,<code>b2</code>,...,<code>b8</code>). <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#0d2a283a3aa2572e9d343f040c8c4c6b">endianness</a> ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the current endianness of the CPU.  <a href="#0d2a283a3aa2572e9d343f040c8c4c6b"></a><br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="565abb2900eedfc3700ec2a87986bb89"></a><!-- doxytag: member="cimg_library::cimg::invert_endianness" ref="565abb2900eedfc3700ec2a87986bb89" args="(T *const buffer, const unsigned int size)" -->
template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#565abb2900eedfc3700ec2a87986bb89">invert_endianness</a> (T *const buffer, const unsigned int size)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Invert endianness of a memory buffer. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="772f6feda6762af936e12436a26e40a3"></a><!-- doxytag: member="cimg_library::cimg::invert_endianness" ref="772f6feda6762af936e12436a26e40a3" args="(T &amp;a)" -->
template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">T &amp;&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#772f6feda6762af936e12436a26e40a3">invert_endianness</a> (T &amp;a)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Invert endianness of a single variable. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f883131bbc64e996d212114cc2b2b21a"></a><!-- doxytag: member="cimg_library::cimg::time" ref="f883131bbc64e996d212114cc2b2b21a" args="()" -->
unsigned long&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#f883131bbc64e996d212114cc2b2b21a">time</a> ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Get the value of a system timer with a millisecond precision. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#3ac7655e49556a90715f3532af221334">sleep</a> (const unsigned int milliseconds)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Sleep for a certain numbers of milliseconds.  <a href="#3ac7655e49556a90715f3532af221334"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#3c8917c0f12139bff6de6e3e45fc5b77">wait</a> (const unsigned int milliseconds)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Wait for a certain number of milliseconds since the last call.  <a href="#3c8917c0f12139bff6de6e3e45fc5b77"></a><br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="964b7bf56de9cba321b402ab86db3ff7"></a><!-- doxytag: member="cimg_library::cimg::rol" ref="964b7bf56de9cba321b402ab86db3ff7" args="(const T a, const unsigned int n=1)" -->
template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">const T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#964b7bf56de9cba321b402ab86db3ff7">rol</a> (const T a, const unsigned int n=1)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return a left bitwise-rotated number. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="62fd3ab82b98aa857fcf5f3fbd7c8b99"></a><!-- doxytag: member="cimg_library::cimg::ror" ref="62fd3ab82b98aa857fcf5f3fbd7c8b99" args="(const T a, const unsigned int n=1)" -->
template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">const T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#62fd3ab82b98aa857fcf5f3fbd7c8b99">ror</a> (const T a, const unsigned int n=1)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return a right bitwise-rotated number. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#5dd0a4d361e2db646f5042be6bfe1d31">abs</a> (const T a)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the absolute value of a number.  <a href="#5dd0a4d361e2db646f5042be6bfe1d31"></a><br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="415ccb3d8d3cf2e7bbdca6fa18ed3465"></a><!-- doxytag: member="cimg_library::cimg::sqr" ref="415ccb3d8d3cf2e7bbdca6fa18ed3465" args="(const T val)" -->
template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#415ccb3d8d3cf2e7bbdca6fa18ed3465">sqr</a> (const T val)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the square of a number. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8dde183be46c1821a3901b63825a4cf4"></a><!-- doxytag: member="cimg_library::cimg::xln" ref="8dde183be46c1821a3901b63825a4cf4" args="(const int x)" -->
int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#8dde183be46c1821a3901b63825a4cf4">xln</a> (const int x)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return 1 + log_10(x). <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="0659abebd7019433a254dd8d934ed32c"></a><!-- doxytag: member="cimg_library::cimg::min" ref="0659abebd7019433a254dd8d934ed32c" args="(const t1 &amp;a, const t2 &amp;b)" -->
template&lt;typename t1 , typename t2 &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">cimg::superset&lt; t1, t2 &gt;::type&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#0659abebd7019433a254dd8d934ed32c">min</a> (const t1 &amp;a, const t2 &amp;b)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the minimum value between two numbers. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="65e023d29962d5b7239540affa01c934"></a><!-- doxytag: member="cimg_library::cimg::min" ref="65e023d29962d5b7239540affa01c934" args="(const t1 &amp;a, const t2 &amp;b, const t3 &amp;c)" -->
template&lt;typename t1 , typename t2 , typename t3 &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">cimg::superset2&lt; t1, t2, t3 &gt;::type&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#65e023d29962d5b7239540affa01c934">min</a> (const t1 &amp;a, const t2 &amp;b, const t3 &amp;c)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the minimum value between three numbers. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="11ac2edf216d6e3085207fbef99c8a10"></a><!-- doxytag: member="cimg_library::cimg::min" ref="11ac2edf216d6e3085207fbef99c8a10" args="(const t1 &amp;a, const t2 &amp;b, const t3 &amp;c, const t4 &amp;d)" -->
template&lt;typename t1 , typename t2 , typename t3 , typename t4 &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">cimg::superset3&lt; t1, t2, t3, <br class="typebreak">
t4 &gt;::type&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#11ac2edf216d6e3085207fbef99c8a10">min</a> (const t1 &amp;a, const t2 &amp;b, const t3 &amp;c, const t4 &amp;d)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the minimum value between four numbers. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="ef8f304ef317aed250bbb0dc2b242969"></a><!-- doxytag: member="cimg_library::cimg::max" ref="ef8f304ef317aed250bbb0dc2b242969" args="(const t1 &amp;a, const t2 &amp;b)" -->
template&lt;typename t1 , typename t2 &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">cimg::superset&lt; t1, t2 &gt;::type&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#ef8f304ef317aed250bbb0dc2b242969">max</a> (const t1 &amp;a, const t2 &amp;b)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the maximum value between two numbers. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="3c809a146579b9d7633f5c67d1d0c04a"></a><!-- doxytag: member="cimg_library::cimg::max" ref="3c809a146579b9d7633f5c67d1d0c04a" args="(const t1 &amp;a, const t2 &amp;b, const t3 &amp;c)" -->
template&lt;typename t1 , typename t2 , typename t3 &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">cimg::superset2&lt; t1, t2, t3 &gt;::type&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#3c809a146579b9d7633f5c67d1d0c04a">max</a> (const t1 &amp;a, const t2 &amp;b, const t3 &amp;c)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the maximum value between three numbers. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="c118d1956b491c6e79aa0c34ffd038dd"></a><!-- doxytag: member="cimg_library::cimg::max" ref="c118d1956b491c6e79aa0c34ffd038dd" args="(const t1 &amp;a, const t2 &amp;b, const t3 &amp;c, const t4 &amp;d)" -->
template&lt;typename t1 , typename t2 , typename t3 , typename t4 &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">cimg::superset3&lt; t1, t2, t3, <br class="typebreak">
t4 &gt;::type&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#c118d1956b491c6e79aa0c34ffd038dd">max</a> (const t1 &amp;a, const t2 &amp;b, const t3 &amp;c, const t4 &amp;d)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the maximum value between four numbers. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="cb00b9ea45d7c523af71071eaad2fd98"></a><!-- doxytag: member="cimg_library::cimg::sign" ref="cb00b9ea45d7c523af71071eaad2fd98" args="(const T x)" -->
template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#cb00b9ea45d7c523af71071eaad2fd98">sign</a> (const T x)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the sign of a number. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="2d817bb30160ae25fde49bd14db5a7e6"></a><!-- doxytag: member="cimg_library::cimg::nearest_pow2" ref="2d817bb30160ae25fde49bd14db5a7e6" args="(const T x)" -->
template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">unsigned long&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#2d817bb30160ae25fde49bd14db5a7e6">nearest_pow2</a> (const T x)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the nearest power of 2 higher than a given number. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#85970edf9afb3b48c0715fadf917854e">mod</a> (const T &amp;x, const T &amp;m)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the modulo of a number.  <a href="#85970edf9afb3b48c0715fadf917854e"></a><br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#e2bab18e9272641210d8b2d7e4a4503f">minmod</a> (const T a, const T b)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return the minmod of two numbers.  <a href="#e2bab18e9272641210d8b2d7e4a4503f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f31db729637ea4dad61e49e5729839c4"></a><!-- doxytag: member="cimg_library::cimg::rand" ref="f31db729637ea4dad61e49e5729839c4" args="()" -->
double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#f31db729637ea4dad61e49e5729839c4">rand</a> ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return a random variable between [0,1] with respect to an uniform distribution. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ae82972570fdc0904d4f03df7b5d3023"></a><!-- doxytag: member="cimg_library::cimg::crand" ref="ae82972570fdc0904d4f03df7b5d3023" args="()" -->
double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#ae82972570fdc0904d4f03df7b5d3023">crand</a> ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return a random variable between [-1,1] with respect to an uniform distribution. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0341a323738439349625b2de5f35bb4c"></a><!-- doxytag: member="cimg_library::cimg::grand" ref="0341a323738439349625b2de5f35bb4c" args="()" -->
double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#0341a323738439349625b2de5f35bb4c">grand</a> ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return a random variable following a gaussian distribution and a standard deviation of 1. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7f927973e2bc17b851bb61cdfbfef061"></a><!-- doxytag: member="cimg_library::cimg::prand" ref="7f927973e2bc17b851bb61cdfbfef061" args="(const double z)" -->
unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#7f927973e2bc17b851bb61cdfbfef061">prand</a> (const double z)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return a random variable following a Poisson distribution of parameter z. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#0bfd704cc09f4a25f09035b067aca4e3">round</a> (const double x, const double y, const int rounding_type=0)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return a rounded number.  <a href="#0bfd704cc09f4a25f09035b067aca4e3"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5a028d4d4de4e1894263a29a6de8e2ee"></a><!-- doxytag: member="cimg_library::cimg::uncase" ref="5a028d4d4de4e1894263a29a6de8e2ee" args="(const char x)" -->
char&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#5a028d4d4de4e1894263a29a6de8e2ee">uncase</a> (const char x)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Remove the 'case' of an ASCII character. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#eec70054768b152c0dbea51f5a56536b">uncase</a> (char *const string)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Remove the 'case' of a C string.  <a href="#eec70054768b152c0dbea51f5a56536b"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">float&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#9ab0fcc7ef1bac330897fec51f617ae6">atof</a> (const char *const str)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Read a float number from a C-string.  <a href="#9ab0fcc7ef1bac330897fec51f617ae6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#3f65ad0f35bbbfc7ec197ce32f326da2">strlen</a> (const char *const s)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute the length of a C-string.  <a href="#3f65ad0f35bbbfc7ec197ce32f326da2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#efc1425e963cd56d8a926908749119a5">strncmp</a> (const char *const s1, const char *const s2, const int l)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compare the first <code>n</code> characters of two C-strings.  <a href="#efc1425e963cd56d8a926908749119a5"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#747de40c911c42d60e1a4ee3f0c69c6c">strncasecmp</a> (const char *const s1, const char *const s2, const int l)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compare the first <code>n</code> characters of two C-strings, ignoring the case.  <a href="#747de40c911c42d60e1a4ee3f0c69c6c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#aab723edb9b070b285367e7ffc099d78">strcmp</a> (const char *const s1, const char *const s2)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compare two C-strings.  <a href="#aab723edb9b070b285367e7ffc099d78"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#43334b3df38ff7c4369a503a4fc3a9f9">strcasecmp</a> (const char *const s1, const char *const s2)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compare two C-strings, ignoring the case.  <a href="#43334b3df38ff7c4369a503a4fc3a9f9"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2f127d56499b955c44ab1e5963d04c8c"></a><!-- doxytag: member="cimg_library::cimg::strfind" ref="2f127d56499b955c44ab1e5963d04c8c" args="(const char *const s, const char c)" -->
int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#2f127d56499b955c44ab1e5963d04c8c">strfind</a> (const char *const s, const char c)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Find a character in a C-string. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="75c2af1ba1b514bd547f9b23745b125c"></a><!-- doxytag: member="cimg_library::cimg::strpare" ref="75c2af1ba1b514bd547f9b23745b125c" args="(char *const s, const char delimiter=' ', const bool symmetric=false)" -->
bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#75c2af1ba1b514bd547f9b23745b125c">strpare</a> (char *const s, const char delimiter=' ', const bool symmetric=false)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Remove useless delimiters on the borders of a C-string. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7199326277681bfe958fc21a508897e2"></a><!-- doxytag: member="cimg_library::cimg::strclean" ref="7199326277681bfe958fc21a508897e2" args="(char *const s)" -->
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#7199326277681bfe958fc21a508897e2">strclean</a> (char *const s)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Remove useless spaces and symmetric delimiters ', " and ` from a C-string. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7710ef1683aa12ead974583b764cd353"></a><!-- doxytag: member="cimg_library::cimg::strescape" ref="7710ef1683aa12ead974583b764cd353" args="(char *const s)" -->
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#7710ef1683aa12ead974583b764cd353">strescape</a> (char *const s)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Replace explicit escape sequences '' in C-strings (where x in [ntvbrfa?'"0]). <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="bc491a5ed3a8d97e395138a379767a45"></a><!-- doxytag: member="cimg_library::cimg::basename" ref="bc491a5ed3a8d97e395138a379767a45" args="(const char *const s)" -->
const char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#bc491a5ed3a8d97e395138a379767a45">basename</a> (const char *const s)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute the basename of a filename. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="797797a309ca40aa28cdfbb92f4d1621"></a><!-- doxytag: member="cimg_library::cimg::temporary_path" ref="797797a309ca40aa28cdfbb92f4d1621" args="(const char *const user_path=0, const bool reinit_path=false)" -->
const char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#797797a309ca40aa28cdfbb92f4d1621">temporary_path</a> (const char *const user_path=0, const bool reinit_path=false)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return or set path to store temporary files. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d0db1003e37cc111d9eddd282c1ab27b"></a><!-- doxytag: member="cimg_library::cimg::imagemagick_path" ref="d0db1003e37cc111d9eddd282c1ab27b" args="(const char *const user_path=0, const bool reinit_path=false)" -->
const char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#d0db1003e37cc111d9eddd282c1ab27b">imagemagick_path</a> (const char *const user_path=0, const bool reinit_path=false)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return or set path to the ImageMagick's <code>convert</code> tool. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a9f7e166f51b43facc8ecc9f05e4ceba"></a><!-- doxytag: member="cimg_library::cimg::graphicsmagick_path" ref="a9f7e166f51b43facc8ecc9f05e4ceba" args="(const char *const user_path=0, const bool reinit_path=false)" -->
const char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#a9f7e166f51b43facc8ecc9f05e4ceba">graphicsmagick_path</a> (const char *const user_path=0, const bool reinit_path=false)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return path of the GraphicsMagick's <code>gm</code> tool. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="aedba1291890f50edb5be58ef662e516"></a><!-- doxytag: member="cimg_library::cimg::medcon_path" ref="aedba1291890f50edb5be58ef662e516" args="(const char *const user_path=0, const bool reinit_path=false)" -->
const char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#aedba1291890f50edb5be58ef662e516">medcon_path</a> (const char *const user_path=0, const bool reinit_path=false)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return or set path of the <code>XMedcon</code> tool. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="bf1666b982cb372129f2ae2fdc748ef2"></a><!-- doxytag: member="cimg_library::cimg::ffmpeg_path" ref="bf1666b982cb372129f2ae2fdc748ef2" args="(const char *const user_path=0, const bool reinit_path=false)" -->
const char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#bf1666b982cb372129f2ae2fdc748ef2">ffmpeg_path</a> (const char *const user_path=0, const bool reinit_path=false)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return or set path to the 'ffmpeg' command. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="75f3391e7a393c1c1fe43537004537e2"></a><!-- doxytag: member="cimg_library::cimg::gzip_path" ref="75f3391e7a393c1c1fe43537004537e2" args="(const char *const user_path=0, const bool reinit_path=false)" -->
const char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#75f3391e7a393c1c1fe43537004537e2">gzip_path</a> (const char *const user_path=0, const bool reinit_path=false)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return or set path to the 'gzip' command. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="08f71c29acfe85d5b8718900e995b779"></a><!-- doxytag: member="cimg_library::cimg::gunzip_path" ref="08f71c29acfe85d5b8718900e995b779" args="(const char *const user_path=0, const bool reinit_path=false)" -->
const char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#08f71c29acfe85d5b8718900e995b779">gunzip_path</a> (const char *const user_path=0, const bool reinit_path=false)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return or set path to the 'gunzip' command. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e36d7a689692ac5663afe1bbdab5d9fa"></a><!-- doxytag: member="cimg_library::cimg::dcraw_path" ref="e36d7a689692ac5663afe1bbdab5d9fa" args="(const char *const user_path=0, const bool reinit_path=false)" -->
const char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#e36d7a689692ac5663afe1bbdab5d9fa">dcraw_path</a> (const char *const user_path=0, const bool reinit_path=false)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return or set path to the 'dcraw' command. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9f7068ec0354e0b34a69a9dc829598aa"></a><!-- doxytag: member="cimg_library::cimg::split_filename" ref="9f7068ec0354e0b34a69a9dc829598aa" args="(const char *const filename, char *const body=0)" -->
const char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#9f7068ec0354e0b34a69a9dc829598aa">split_filename</a> (const char *const filename, char *const body=0)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Split a filename into two strings 'body' and 'extension'. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="878d8296e87c4ddae1676158e40cbd3a"></a><!-- doxytag: member="cimg_library::cimg::number_filename" ref="878d8296e87c4ddae1676158e40cbd3a" args="(const char *const filename, const int number, const unsigned int n, char *const string)" -->
char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#878d8296e87c4ddae1676158e40cbd3a">number_filename</a> (const char *const filename, const int number, const unsigned int n, char *const string)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Create a numbered version of a filename. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="dff1045b64c40864232f07ec686fa731"></a><!-- doxytag: member="cimg_library::cimg::fopen" ref="dff1045b64c40864232f07ec686fa731" args="(const char *const path, const char *const mode)" -->
cimg_std::FILE *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#dff1045b64c40864232f07ec686fa731">fopen</a> (const char *const path, const char *const mode)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Open a file, and check for possible errors. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e381e63cfec4d6d2426a2763c05a094f"></a><!-- doxytag: member="cimg_library::cimg::fclose" ref="e381e63cfec4d6d2426a2763c05a094f" args="(cimg_std::FILE *file)" -->
int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#e381e63cfec4d6d2426a2763c05a094f">fclose</a> (cimg_std::FILE *file)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Close a file, and check for possible errors. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="69b9fcf4cc4ef26506e3a35d8db2cb74"></a><!-- doxytag: member="cimg_library::cimg::file_type" ref="69b9fcf4cc4ef26506e3a35d8db2cb74" args="(cimg_std::FILE *const file, const char *const filename)" -->
const char *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#69b9fcf4cc4ef26506e3a35d8db2cb74">file_type</a> (cimg_std::FILE *const file, const char *const filename)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Try to guess the image format of a filename, using its magick numbers. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="ae720b10098f87a24c8756e63c48b49a"></a><!-- doxytag: member="cimg_library::cimg::fread" ref="ae720b10098f87a24c8756e63c48b49a" args="(T *const ptr, const unsigned int nmemb, cimg_std::FILE *stream)" -->
template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#ae720b10098f87a24c8756e63c48b49a">fread</a> (T *const ptr, const unsigned int nmemb, cimg_std::FILE *stream)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Read file data, and check for possible errors. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="b57bdbf463552372e18a7dda032c3054"></a><!-- doxytag: member="cimg_library::cimg::fwrite" ref="b57bdbf463552372e18a7dda032c3054" args="(const T *ptr, const unsigned int nmemb, cimg_std::FILE *stream)" -->
template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#b57bdbf463552372e18a7dda032c3054">fwrite</a> (const T *ptr, const unsigned int nmemb, cimg_std::FILE *stream)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Write data to a file, and check for possible errors. <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2">template&lt;typename t &gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">int&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#9bd2a1e3ffff4538c4f53856e8b28ded">dialog</a> (const char *title, const char *msg, const char *button1_txt, const char *button2_txt, const char *button3_txt, const char *button4_txt, const char *button5_txt, const char *button6_txt, const <a class="el" href="structcimg__library_1_1CImg.html">CImg</a>&lt; t &gt; &amp;logo, const bool centering=false)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Display a dialog box, where a user can click standard buttons.  <a href="#9bd2a1e3ffff4538c4f53856e8b28ded"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Variables</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0227707be3c6c40e2f71806077fbfcdb"></a><!-- doxytag: member="cimg_library::cimg::valuePI" ref="0227707be3c6c40e2f71806077fbfcdb" args="" -->
const double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespacecimg__library_1_1cimg.html#0227707be3c6c40e2f71806077fbfcdb">valuePI</a> = 3.14159265358979323846</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Definition of the mathematical constant PI. <br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Namespace that encompasses <em>low-level</em> functions and variables of the CImg Library. 
<p>
Most of the functions and variables within this namespace are used by the library for low-level processing. Nevertheless, documented variables and functions of this namespace may be used safely in your own source code.<p>
<dl class="warning" compact><dt><b>Warning:</b></dt><dd>Never write <code>using namespace <a class="el" href="namespacecimg__library_1_1cimg.html" title="Namespace that encompasses low-level functions and variables of the CImg Library...">cimg_library::cimg</a>;</code> in your source code, since a lot of functions of the <code><a class="el" href="namespacecimg__library_1_1cimg.html" title="Namespace that encompasses low-level functions and variables of the CImg Library...">cimg</a>::</code> namespace have prototypes similar to standard C functions that could defined in the global namespace <code>::</code>. </dd></dl>

<p>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="c1b66fe77173de9e5e8542b2823d6071"></a><!-- doxytag: member="cimg_library::cimg::info" ref="c1b66fe77173de9e5e8542b2823d6071" args="()" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void info           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Print informations about CImg environement variables. 
<p>
Printing is done on the standard error output. 
</div>
</div><p>
<a class="anchor" name="acf66918a1173b3f72fe6f088d94f26b"></a><!-- doxytag: member="cimg_library::cimg::exception_mode" ref="acf66918a1173b3f72fe6f088d94f26b" args="()" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">unsigned int&amp; cimg_library::cimg::exception_mode           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Get/set the current <a class="el" href="structcimg__library_1_1CImg.html" title="Class representing an image (up to 4 dimensions wide), each pixel being of type T...">CImg</a> exception mode. 
<p>
The way error messages are handled by <a class="el" href="structcimg__library_1_1CImg.html" title="Class representing an image (up to 4 dimensions wide), each pixel being of type T...">CImg</a> can be changed dynamically, using this function. Possible values are :<ul>
<li>0 to hide debug messages (quiet mode, but exceptions are still thrown).</li><li>1 to display debug messages on standard error (console).</li><li>2 to display debug messages in modal windows (default behavior).</li><li>3 to do as 1 + add extra warnings (may slow down the code !).</li><li>4 to do as 2 + add extra warnings (may slow down the code !). </li></ul>

</div>
</div><p>
<a class="anchor" name="93ec28267b101050d949d1ebff1b88cf"></a><!-- doxytag: member="cimg_library::cimg::warn" ref="93ec28267b101050d949d1ebff1b88cf" args="(const char *format,...)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void cimg_library::cimg::warn           </td>
          <td>(</td>
          <td class="paramtype">const char *&nbsp;</td>
          <td class="paramname"> <em>format</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&nbsp;</td>
          <td class="paramname"> <em>...</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Display a warning message. 
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>format</em>&nbsp;</td><td>is a C-string describing the format of the message, as in <code>std::printf()</code>. </td></tr>
  </table>
</dl>

</div>
</div><p>
<a class="anchor" name="09e80f4d7a95f3d5c2282202d8526520"></a><!-- doxytag: member="cimg_library::cimg::system" ref="09e80f4d7a95f3d5c2282202d8526520" args="(const char *const command, const char *const module_name=0)" -->
<div class="memitem">
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          <td class="memname">int cimg_library::cimg::system           </td>
          <td>(</td>
          <td class="paramtype">const char *const &nbsp;</td>
          <td class="paramname"> <em>command</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *const &nbsp;</td>
          <td class="paramname"> <em>module_name</em> = <code>0</code></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>This function is similar to <code>std::system()</code> and is here because using the <code>std::</code> version on Windows may open undesired consoles. </dd></dl>

</div>
</div><p>
<a class="anchor" name="0d2a283a3aa2572e9d343f040c8c4c6b"></a><!-- doxytag: member="cimg_library::cimg::endianness" ref="0d2a283a3aa2572e9d343f040c8c4c6b" args="()" -->
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          <td class="memname">bool cimg_library::cimg::endianness           </td>
          <td>(</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Return the current endianness of the CPU. 
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd><code>false</code> for "Little Endian", <code>true</code> for "Big Endian". </dd></dl>

</div>
</div><p>
<a class="anchor" name="3ac7655e49556a90715f3532af221334"></a><!-- doxytag: member="cimg_library::cimg::sleep" ref="3ac7655e49556a90715f3532af221334" args="(const unsigned int milliseconds)" -->
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          <td class="memname">void cimg_library::cimg::sleep           </td>
          <td>(</td>
          <td class="paramtype">const unsigned int&nbsp;</td>
          <td class="paramname"> <em>milliseconds</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Sleep for a certain numbers of milliseconds. 
<p>
This function frees the CPU ressources during the sleeping time. It may be used to temporize your program properly, without wasting CPU time. 
</div>
</div><p>
<a class="anchor" name="3c8917c0f12139bff6de6e3e45fc5b77"></a><!-- doxytag: member="cimg_library::cimg::wait" ref="3c8917c0f12139bff6de6e3e45fc5b77" args="(const unsigned int milliseconds)" -->
<div class="memitem">
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          <td class="memname">unsigned int cimg_library::cimg::wait           </td>
          <td>(</td>
          <td class="paramtype">const unsigned int&nbsp;</td>
          <td class="paramname"> <em>milliseconds</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Wait for a certain number of milliseconds since the last call. 
<p>
This function is equivalent to <a class="el" href="namespacecimg__library_1_1cimg.html#3ac7655e49556a90715f3532af221334" title="Sleep for a certain numbers of milliseconds.">sleep()</a> but the waiting time is computed with regard to the last call of <a class="el" href="namespacecimg__library_1_1cimg.html#3c8917c0f12139bff6de6e3e45fc5b77" title="Wait for a certain number of milliseconds since the last call.">wait()</a>. It may be used to temporize your program properly. 
</div>
</div><p>
<a class="anchor" name="5dd0a4d361e2db646f5042be6bfe1d31"></a><!-- doxytag: member="cimg_library::cimg::abs" ref="5dd0a4d361e2db646f5042be6bfe1d31" args="(const T a)" -->
<div class="memitem">
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          <td class="memname">T cimg_library::cimg::abs           </td>
          <td>(</td>
          <td class="paramtype">const T&nbsp;</td>
          <td class="paramname"> <em>a</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Return the absolute value of a number. 
<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>This function is different from <code>std::abs()</code> or <code>std::fabs()</code> because it is able to consider a variable of any type, without cast needed. </dd></dl>

</div>
</div><p>
<a class="anchor" name="85970edf9afb3b48c0715fadf917854e"></a><!-- doxytag: member="cimg_library::cimg::mod" ref="85970edf9afb3b48c0715fadf917854e" args="(const T &amp;x, const T &amp;m)" -->
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          <td class="memname">T cimg_library::cimg::mod           </td>
          <td>(</td>
          <td class="paramtype">const T &amp;&nbsp;</td>
          <td class="paramname"> <em>x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const T &amp;&nbsp;</td>
          <td class="paramname"> <em>m</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Return the modulo of a number. 
<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>This modulo function accepts negative and floating-points modulo numbers, as well as variable of any type. </dd></dl>

</div>
</div><p>
<a class="anchor" name="e2bab18e9272641210d8b2d7e4a4503f"></a><!-- doxytag: member="cimg_library::cimg::minmod" ref="e2bab18e9272641210d8b2d7e4a4503f" args="(const T a, const T b)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">T cimg_library::cimg::minmod           </td>
          <td>(</td>
          <td class="paramtype">const T&nbsp;</td>
          <td class="paramname"> <em>a</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const T&nbsp;</td>
          <td class="paramname"> <em>b</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Return the minmod of two numbers. 
<p>
<em>minmod(<code>a</code>,<code>b</code>)</em> is defined to be :<ul>
<li><em>minmod(<code>a</code>,<code>b</code>) = min(<code>a</code>,<code>b</code>)</em>, if <code>a</code> and <code>b</code> have the same sign.</li><li><em>minmod(<code>a</code>,<code>b</code>) = 0</em>, if <code>a</code> and <code>b</code> have different signs. </li></ul>

</div>
</div><p>
<a class="anchor" name="0bfd704cc09f4a25f09035b067aca4e3"></a><!-- doxytag: member="cimg_library::cimg::round" ref="0bfd704cc09f4a25f09035b067aca4e3" args="(const double x, const double y, const int rounding_type=0)" -->
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          <td class="memname">double cimg_library::cimg::round           </td>
          <td>(</td>
          <td class="paramtype">const double&nbsp;</td>
          <td class="paramname"> <em>x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const double&nbsp;</td>
          <td class="paramname"> <em>y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const int&nbsp;</td>
          <td class="paramname"> <em>rounding_type</em> = <code>0</code></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [inline]</code></td>
        </tr>
      </table>
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<p>
Return a rounded number. 
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>x</em>&nbsp;</td><td>is the number to be rounded. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>y</em>&nbsp;</td><td>is the rounding precision. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>rounding_type</em>&nbsp;</td><td>defines the type of rounding (0=nearest, -1=backward, 1=forward). </td></tr>
  </table>
</dl>

</div>
</div><p>
<a class="anchor" name="eec70054768b152c0dbea51f5a56536b"></a><!-- doxytag: member="cimg_library::cimg::uncase" ref="eec70054768b152c0dbea51f5a56536b" args="(char *const string)" -->
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          <td class="memname">void cimg_library::cimg::uncase           </td>
          <td>(</td>
          <td class="paramtype">char *const &nbsp;</td>
          <td class="paramname"> <em>string</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Remove the 'case' of a C string. 
<p>
Acts in-place. 
</div>
</div><p>
<a class="anchor" name="9ab0fcc7ef1bac330897fec51f617ae6"></a><!-- doxytag: member="cimg_library::cimg::atof" ref="9ab0fcc7ef1bac330897fec51f617ae6" args="(const char *const str)" -->
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          <td class="memname">float cimg_library::cimg::atof           </td>
          <td>(</td>
          <td class="paramtype">const char *const &nbsp;</td>
          <td class="paramname"> <em>str</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Read a float number from a C-string. 
<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>This function is quite similar to <code>std::atof()</code>, but that it allows the retrieval of fractions as in "1/2". </dd></dl>

</div>
</div><p>
<a class="anchor" name="3f65ad0f35bbbfc7ec197ce32f326da2"></a><!-- doxytag: member="cimg_library::cimg::strlen" ref="3f65ad0f35bbbfc7ec197ce32f326da2" args="(const char *const s)" -->
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          <td class="memname">int cimg_library::cimg::strlen           </td>
          <td>(</td>
          <td class="paramtype">const char *const &nbsp;</td>
          <td class="paramname"> <em>s</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td><code> [inline]</code></td>
        </tr>
      </table>
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<div class="memdoc">

<p>
Compute the length of a C-string. 
<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>This function is similar to <code>std::strlen()</code> and is here because some old compilers do not define the <code>std::</code> version. </dd></dl>

</div>
</div><p>
<a class="anchor" name="efc1425e963cd56d8a926908749119a5"></a><!-- doxytag: member="cimg_library::cimg::strncmp" ref="efc1425e963cd56d8a926908749119a5" args="(const char *const s1, const char *const s2, const int l)" -->
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          <td class="memname">int cimg_library::cimg::strncmp           </td>
          <td>(</td>
          <td class="paramtype">const char *const &nbsp;</td>
          <td class="paramname"> <em>s1</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *const &nbsp;</td>
          <td class="paramname"> <em>s2</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const int&nbsp;</td>
          <td class="paramname"> <em>l</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Compare the first <code>n</code> characters of two C-strings. 
<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>This function is similar to <code>std::strncmp()</code> and is here because some old compilers do not define the <code>std::</code> version. </dd></dl>

</div>
</div><p>
<a class="anchor" name="747de40c911c42d60e1a4ee3f0c69c6c"></a><!-- doxytag: member="cimg_library::cimg::strncasecmp" ref="747de40c911c42d60e1a4ee3f0c69c6c" args="(const char *const s1, const char *const s2, const int l)" -->
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          <td class="memname">int cimg_library::cimg::strncasecmp           </td>
          <td>(</td>
          <td class="paramtype">const char *const &nbsp;</td>
          <td class="paramname"> <em>s1</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *const &nbsp;</td>
          <td class="paramname"> <em>s2</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const int&nbsp;</td>
          <td class="paramname"> <em>l</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Compare the first <code>n</code> characters of two C-strings, ignoring the case. 
<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>This function is similar to <code>std::strncasecmp()</code> and is here because some old compilers do not define the <code>std::</code> version. </dd></dl>

</div>
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<a class="anchor" name="aab723edb9b070b285367e7ffc099d78"></a><!-- doxytag: member="cimg_library::cimg::strcmp" ref="aab723edb9b070b285367e7ffc099d78" args="(const char *const s1, const char *const s2)" -->
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          <td class="memname">int cimg_library::cimg::strcmp           </td>
          <td>(</td>
          <td class="paramtype">const char *const &nbsp;</td>
          <td class="paramname"> <em>s1</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *const &nbsp;</td>
          <td class="paramname"> <em>s2</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Compare two C-strings. 
<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>This function is similar to <code>std::strcmp()</code> and is here because some old compilers do not define the <code>std::</code> version. </dd></dl>

</div>
</div><p>
<a class="anchor" name="43334b3df38ff7c4369a503a4fc3a9f9"></a><!-- doxytag: member="cimg_library::cimg::strcasecmp" ref="43334b3df38ff7c4369a503a4fc3a9f9" args="(const char *const s1, const char *const s2)" -->
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          <td class="memname">int cimg_library::cimg::strcasecmp           </td>
          <td>(</td>
          <td class="paramtype">const char *const &nbsp;</td>
          <td class="paramname"> <em>s1</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *const &nbsp;</td>
          <td class="paramname"> <em>s2</em></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Compare two C-strings, ignoring the case. 
<p>
<dl class="note" compact><dt><b>Note:</b></dt><dd>This function is similar to <code>std::strcasecmp()</code> and is here because some old compilers do not define the <code>std::</code> version. </dd></dl>

</div>
</div><p>
<a class="anchor" name="9bd2a1e3ffff4538c4f53856e8b28ded"></a><!-- doxytag: member="cimg_library::cimg::dialog" ref="9bd2a1e3ffff4538c4f53856e8b28ded" args="(const char *title, const char *msg, const char *button1_txt, const char *button2_txt, const char *button3_txt, const char *button4_txt, const char *button5_txt, const char *button6_txt, const CImg&lt; t &gt; &amp;logo, const bool centering=false)" -->
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          <td class="memname">int cimg_library::cimg::dialog           </td>
          <td>(</td>
          <td class="paramtype">const char *&nbsp;</td>
          <td class="paramname"> <em>title</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&nbsp;</td>
          <td class="paramname"> <em>msg</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&nbsp;</td>
          <td class="paramname"> <em>button1_txt</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&nbsp;</td>
          <td class="paramname"> <em>button2_txt</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&nbsp;</td>
          <td class="paramname"> <em>button3_txt</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&nbsp;</td>
          <td class="paramname"> <em>button4_txt</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&nbsp;</td>
          <td class="paramname"> <em>button5_txt</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&nbsp;</td>
          <td class="paramname"> <em>button6_txt</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const CImg&lt; t &gt; &amp;&nbsp;</td>
          <td class="paramname"> <em>logo</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const bool&nbsp;</td>
          <td class="paramname"> <em>centering</em> = <code>false</code></td><td>&nbsp;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td><td><code> [inline]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Display a dialog box, where a user can click standard buttons. 
<p>
Up to 6 buttons can be defined in the dialog window. This function returns when a user clicked one of the button or closed the dialog window. <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>title</em>&nbsp;</td><td>= Title of the dialog window. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>msg</em>&nbsp;</td><td>= Main message displayed inside the dialog window. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>button1_txt</em>&nbsp;</td><td>= Label of the 1st button. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>button2_txt</em>&nbsp;</td><td>= Label of the 2nd button. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>button3_txt</em>&nbsp;</td><td>= Label of the 3rd button. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>button4_txt</em>&nbsp;</td><td>= Label of the 4th button. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>button5_txt</em>&nbsp;</td><td>= Label of the 5th button. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>button6_txt</em>&nbsp;</td><td>= Label of the 6th button. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>logo</em>&nbsp;</td><td>= Logo image displayed at the left of the main message. This parameter is optional. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>centering</em>&nbsp;</td><td>= Tell to center the dialog window on the screen. </td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The button number (from 0 to 5), or -1 if the dialog window has been closed by the user. </dd></dl>
<dl class="note" compact><dt><b>Note:</b></dt><dd>If a button text is set to 0, then the corresponding button (and the followings) won't appear in the dialog box. At least one button is necessary. </dd></dl>

</div>
</div><p>
</div>
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