<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Checks if terminal has color capabilities</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="function.ncurses-halfdelay.html">ncurses_halfdelay</a></div>
<div class="next" style="text-align: right; float: right;"><a href="function.ncurses-has-ic.html">ncurses_has_ic</a></div>
<div class="up"><a href="ref.ncurses.html">Ncurses Functions</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="function.ncurses-has-colors" class="refentry">
<div class="refnamediv">
<h1 class="refname">ncurses_has_colors</h1>
<p class="verinfo">(PHP 4 >= 4.0.7, PHP 5 < 5.3.0, PECL ncurses >= 1.0.0)</p><p class="refpurpose"><span class="refname">ncurses_has_colors</span> — <span class="dc-title">Checks if terminal has color capabilities</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.ncurses-has-colors-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><strong>ncurses_has_colors</strong></span>
( <span class="methodparam">void</span>
)</div>
<p class="para rdfs-comment">
Checks whether the terminal has color capabilities. This function can be
used to write terminal-independent programs. ncurses must be initialized
using <span class="function"><a href="function.ncurses-init.html" class="function">ncurses_init()</a></span> before calling this function.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.ncurses-has-colors-parameters">
<h3 class="title">Parameters</h3>
<p class="para">This function has no parameters.</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.ncurses-has-colors-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Return <strong><code>TRUE</code></strong> if the terminal has color capabilities, <strong><code>FALSE</code></strong> otherwise.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.ncurses-has-colors-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-630">
<p><strong>Example #1 Writing a string with a specified color to the screen</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />ncurses_init</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">// If the terminal supports colors, initialize and set active color<br /></span><span style="color: #007700">if (</span><span style="color: #0000BB">ncurses_has_colors</span><span style="color: #007700">()) {<br /> </span><span style="color: #0000BB">ncurses_start_color</span><span style="color: #007700">();<br /> </span><span style="color: #0000BB">ncurses_init_pair</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">NCURSES_COLOR_YELLOW</span><span style="color: #007700">, </span><span style="color: #0000BB">NCURSES_COLOR_BLUE</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">ncurses_color_set</span><span style="color: #007700">(</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br />}<br /><br /></span><span style="color: #FF8000">// Write a string at specified location<br /></span><span style="color: #0000BB">ncurses_mvaddstr</span><span style="color: #007700">(</span><span style="color: #0000BB">10</span><span style="color: #007700">, </span><span style="color: #0000BB">10</span><span style="color: #007700">, </span><span style="color: #DD0000">"Hello world! Yellow on blue text!"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Flush output to screen<br /></span><span style="color: #0000BB">ncurses_refresh</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">ncurses_end</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.ncurses-has-colors-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.ncurses-can-change-color.html" class="function" rel="rdfs-seeAlso">ncurses_can_change_color()</a> - Checks if terminal color definitions can be changed</span></li>
<li class="member"> <span class="function"><a href="function.ncurses-start-color.html" class="function" rel="rdfs-seeAlso">ncurses_start_color()</a> - Initializes color functionality</span></li>
</ul>
</p>
</div>
</div><hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="function.ncurses-halfdelay.html">ncurses_halfdelay</a></div>
<div class="next" style="text-align: right; float: right;"><a href="function.ncurses-has-ic.html">ncurses_has_ic</a></div>
<div class="up"><a href="ref.ncurses.html">Ncurses Functions</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
