📄 function.imagick-distortimage.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>Distorts an image using various distortion methods</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-displayimages.html">Imagick::displayImages</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.imagick-drawimage.html">Imagick::drawImage</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-distortimage" class="refentry"> <div class="refnamediv"> <h1 class="refname">Imagick::distortImage</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">Imagick::distortImage</span> — <span class="dc-title">Distorts an image using various distortion methods</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::distortImage</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$method</tt></span> , <span class="methodparam"><span class="type">array</span> <tt class="parameter">$arguments</tt></span> , <span class="methodparam"><span class="type">bool</span> <tt class="parameter">$bestfit</tt></span> )</div> <p class="para rdfs-comment"> Distorts an image using various distortion methods, by mapping color lookups of the source image to a new destination image usally of the same size as the source image, unless 'bestfit' is set to <b><tt>TRUE</tt></b>. </p> <p class="para"> If 'bestfit' is enabled, and distortion allows it, the destination image is adjusted to ensure the whole source 'image' will just fit within the final destination image, which will be sized and offset accordingly. Also in many cases the virtual offset of the source image will be taken into account in the mapping. </p> <p class="para"> This functionality is present if Imagick is compiled against ImageMagick 6.3.6 or later. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">method</tt></i></span> <dd> <p class="para"> The method of image distortion. See <a href="imagick.constants.html#imagick.constants.distortion" class="link">distortion constants</a> </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">arguments</tt></i></span> <dd> <p class="para"> The arguments for this distortion method </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">bestfit</tt></i></span> <dd> <p class="para"> Attempt to resize destination to fit distorted source </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::distortImage()</b>:</b></p> <div class="example-contents"><p> Distort an image and write it to the disk. </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /><br />$im </span><span style="color: #007700">= new </span><span style="color: #0000BB">imagick</span><span style="color: #007700">( </span><span style="color: #DD0000">"example.jpg" </span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$im</span><span style="color: #007700">-></span><span style="color: #0000BB">distortImage</span><span style="color: #007700">( </span><span style="color: #0000BB">Imagick</span><span style="color: #007700">::</span><span style="color: #0000BB">DISTORTION_PERSPECTIVE</span><span style="color: #007700">, array( </span><span style="color: #0000BB">7</span><span style="color: #007700">,</span><span style="color: #0000BB">40</span><span style="color: #007700">, </span><span style="color: #0000BB">4</span><span style="color: #007700">,</span><span style="color: #0000BB">30</span><span style="color: #007700">, </span><span style="color: #0000BB">4</span><span style="color: #007700">,</span><span style="color: #0000BB">124</span><span style="color: #007700">, </span><span style="color: #0000BB">4</span><span style="color: #007700">,</span><span style="color: #0000BB">123</span><span style="color: #007700">, </span><span style="color: #0000BB">85</span><span style="color: #007700">,</span><span style="color: #0000BB">122</span><span style="color: #007700">, </span><span style="color: #0000BB">100</span><span style="color: #007700">,</span><span style="color: #0000BB">123</span><span style="color: #007700">, </span><span style="color: #0000BB">85</span><span style="color: #007700">,</span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #0000BB">100</span><span style="color: #007700">,</span><span style="color: #0000BB">30 </span><span style="color: #007700">), </span><span style="color: #0000BB">true </span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$im</span><span style="color: #007700">-></span><span style="color: #0000BB">writeImage</span><span style="color: #007700">( </span><span style="color: #DD0000">"example_out.jpg" </span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.imagick-blurimage.html" class="function" rel="rdfs-seeAlso">Imagick::blurImage()</a></li> <li class="member"><a href="function.imagick-motionblurimage.html" class="function" rel="rdfs-seeAlso">Imagick::motionBlurImage()</a></li> <li class="member"><a href="function.imagick-radialblurimage.html" class="function" rel="rdfs-seeAlso">Imagick::radialBlurImage()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.imagick-displayimages.html">Imagick::displayImages</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.imagick-drawimage.html">Imagick::drawImage</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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