📄 function.imageellipse.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Draw an ellipse</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.imagedestroy.html">imagedestroy</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.imagefill.html">imagefill</a></div> <div class="up"><a href="ref.image.html">GD Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.imageellipse" class="refentry"> <div class="refnamediv">  <h1 class="refname">imageellipse</h1>  <p class="verinfo">(PHP 4 &gt;= 4.0.6, PHP 5)</p><p class="refpurpose"><span class="refname">imageellipse</span> &mdash; <span class="dc-title">Draw an ellipse</span></p> </div> <div class="refsect1 description">  <h3 class="title">Description</h3>  <div class="methodsynopsis dc-description">   <span class="type">bool</span> <span class="methodname"><b><b>imageellipse</b></b></span>    ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$image</tt></span>   , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$cx</tt></span>   , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$cy</tt></span>   , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$width</tt></span>   , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$height</tt></span>   , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$color</tt></span>   )</div>  <p class="para rdfs-comment">   Draws an ellipse centered at the specified coordinates.  </p> </div> <div class="refsect1 parameters">  <h3 class="title">Parameters</h3>  <p class="para">   <dl>    <dt><span class="term"><i><tt class="parameter">image</tt></i></span><dd><p class="para">An image resource, returned by one of the image creation functions, such as <a href="function.imagecreatetruecolor.html" class="function">imagecreatetruecolor()</a>.</p></dd></dt>    <dt>     <span class="term"><i><tt class="parameter">cx</tt></i></span>     <dd>      <p class="para">       x-coordinate of the center.      </p>     </dd>    </dt>    <dt>     <span class="term"><i><tt class="parameter">cy</tt></i></span>     <dd>      <p class="para">       y-coordinate of the center.      </p>     </dd>    </dt>    <dt>     <span class="term"><i><tt class="parameter">width</tt></i></span>     <dd>      <p class="para">       The ellipse width.      </p>     </dd>    </dt>    <dt>     <span class="term"><i><tt class="parameter">height</tt></i></span>     <dd>      <p class="para">       The ellipse height.      </p>     </dd>    </dt>    <dt>     <span class="term"><i><tt class="parameter">color</tt></i></span>     <dd>      <p class="para">       The color of the ellipse. A color identifier created with       <a href="function.imagecolorallocate.html" class="function">imagecolorallocate()</a>.      </p>     </dd>    </dt>   </dl>  </p> </div> <div class="refsect1 returnvalues">  <h3 class="title">Return Values</h3>  <p class="para">   Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure.  </p> </div> <div class="refsect1 examples">  <h3 class="title">Examples</h3>  <p class="para">   <div class="example">    <p><b>Example #1 <b>imageellipse()</b> example</b></p>    <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">//&nbsp;Create&nbsp;a&nbsp;blank&nbsp;image.<br /></span><span style="color: #0000BB">$image&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">imagecreatetruecolor</span><span style="color: #007700">(</span><span style="color: #0000BB">400</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">300</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Select&nbsp;the&nbsp;background&nbsp;color.<br /></span><span style="color: #0000BB">$bg&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$image</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Fill&nbsp;the&nbsp;background&nbsp;with&nbsp;the&nbsp;color&nbsp;selected&nbsp;above.<br /></span><span style="color: #0000BB">imagefill</span><span style="color: #007700">(</span><span style="color: #0000BB">$image</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$bg</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Choose&nbsp;a&nbsp;color&nbsp;for&nbsp;the&nbsp;ellipse.<br /></span><span style="color: #0000BB">$col_ellipse&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$image</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">255</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">255</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">255</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Draw&nbsp;the&nbsp;ellipse.<br /></span><span style="color: #0000BB">imageellipse</span><span style="color: #007700">(</span><span style="color: #0000BB">$image</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">200</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">150</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">300</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">200</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$col_ellipse</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;Output&nbsp;the&nbsp;image.<br /></span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">"Content-type:&nbsp;image/png"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagepng</span><span style="color: #007700">(</span><span style="color: #0000BB">$image</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>    </div>    <div class="example-contents"><p>The above example will output something similar to:</p></div>    <div class="mediaobject">     <div class="imageobject">      <img src="figures/image.imageellipse.png" />     </div>    </div>   </div>  </p> </div> <div class="refsect1 notes">  <h3 class="title">Notes</h3>  <blockquote><p><b class="note">Note</b>:        This function requires GD 2.0.2 or later.   <br />  </p></blockquote> </div> <div class="refsect1 seealso">  <h3 class="title">See Also</h3>  <p class="para">   <ul class="simplelist">    <li class="member"><a href="function.imagefilledellipse.html" class="function" rel="rdfs-seeAlso">imagefilledellipse()</a></li>    <li class="member"><a href="function.imagearc.html" class="function" rel="rdfs-seeAlso">imagearc()</a></li>   </ul>  </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; 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