function.imagick-trimimage.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>Remove edges from the image</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.imagick-transverseimage.html">Imagick::transverseImage</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.imagick-uniqueimagecolors.html">Imagick::uniqueImageColors</a></div> <div class="up"><a href="class.imagick.html">The Imagick class</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.imagick-trimimage" class="refentry"> <div class="refnamediv"> <h1 class="refname">Imagick::trimImage</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">Imagick::trimImage</span> — <span class="dc-title">Remove edges from the image</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>Imagick::trimImage</b></b></span> ( <span class="methodparam"><span class="type">float</span> <tt class="parameter">$fuzz</tt></span> )</div> <div class="warning"><b class="warning">Warning</b><p class="simpara">This function iscurrently not documented; only its argument list is available.</p></div> <p class="para"> Remove edges that are the background color from the image. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">fuzz</tt></i></span> <dd> <p class="para"> By default target must match a particular pixel color exactly. However, in many cases two colors may differ by a small amount. The fuzz member of image defines how much tolerance is acceptable to consider two colors as the same. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success. </p> </div> <div class="refsect1 errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> Throws ImagickException on error. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Using <b>Imagick::trimImage()</b>:</b></p> <div class="example-contents"><p> Trim an image, then display to the browser. </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">/* Create the object and read the image in */<br /></span><span style="color: #0000BB">$im </span><span style="color: #007700">= new </span><span style="color: #0000BB">Imagick</span><span style="color: #007700">( </span><span style="color: #DD0000">"image.jpg" </span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Trim the image. */<br /></span><span style="color: #0000BB">$im</span><span style="color: #007700">-></span><span style="color: #0000BB">trimImage</span><span style="color: #007700">( </span><span style="color: #0000BB">0 </span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Ouput the image */<br /></span><span style="color: #0000BB">header</span><span style="color: #007700">( </span><span style="color: #DD0000">"Content-Type: image/" </span><span style="color: #007700">. </span><span style="color: #0000BB">$im</span><span style="color: #007700">-></span><span style="color: #0000BB">getImageFormat</span><span style="color: #007700">() );<br />echo </span><span style="color: #0000BB">$im</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.imagick-transverseimage.html">Imagick::transverseImage</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.imagick-uniqueimagecolors.html">Imagick::uniqueImageColors</a></div> <div class="up"><a href="class.imagick.html">The Imagick class</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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