<!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>Control the brightness, saturation, and hue</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="imagick.minifyimage.html">Imagick::minifyImage</a></div> <div class="next" style="text-align: right; float: right;"><a href="imagick.montageimage.html">Imagick::montageImage</a></div> <div class="up"><a href="class.imagick.html">Imagick</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="imagick.modulateimage" class="refentry"> <div class="refnamediv"> <h1 class="refname">Imagick::modulateImage</h1> <p class="verinfo">(PECL imagick 2.0.0)</p><p class="refpurpose"><span class="refname">Imagick::modulateImage</span> — <span class="dc-title">Control the brightness, saturation, and hue</span></p> </div> <div class="refsect1 description" id="refsect1-imagick.modulateimage-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><strong>Imagick::modulateImage</strong></span> ( <span class="methodparam"><span class="type">float</span> <code class="parameter">$brightness</code></span> , <span class="methodparam"><span class="type">float</span> <code class="parameter">$saturation</code></span> , <span class="methodparam"><span class="type">float</span> <code class="parameter">$hue</code></span> )</div> <p class="para rdfs-comment"> Lets you control the brightness, saturation, and hue of an image. Hue is the percentage of absolute rotation from the current position. For example 50 results in a counter-clockwise rotation of 90 degrees, 150 results in a clockwise rotation of 90 degrees, with 0 and 200 both resulting in a rotation of 180 degrees. </p> </div> <div class="refsect1 parameters" id="refsect1-imagick.modulateimage-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">brightness</code></em></span> <dd> <p class="para"> </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">saturation</code></em></span> <dd> <p class="para"> </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">hue</code></em></span> <dd> <p class="para"> </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-imagick.modulateimage-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <strong><code>TRUE</code></strong> on success. </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="imagick.minifyimage.html">Imagick::minifyImage</a></div> <div class="next" style="text-align: right; float: right;"><a href="imagick.montageimage.html">Imagick::montageImage</a></div> <div class="up"><a href="class.imagick.html">Imagick</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>