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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>Adaptively resize image with data dependent triangulation</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-adaptiveblurimage.html">Imagick::adaptiveBlurImage</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.imagick-adaptivesharpenimage.html">Imagick::adaptiveSharpenImage</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-adaptiveresizeimage" class="refentry"> <div class="refnamediv"> <h1 class="refname">Imagick::adaptiveResizeImage</h1> <p class="verinfo">(No version information available, might be only in CVS)</p><p class="refpurpose"><span class="refname">Imagick::adaptiveResizeImage</span> — <span class="dc-title">Adaptively resize image with data dependent triangulation</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::adaptiveResizeImage</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$columns</tt></span> , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$rows</tt></span> [, <span class="methodparam"><span class="type">bool</span> <tt class="parameter">$fit</tt></span> ] )</div> <p class="para rdfs-comment"> Adaptively resize image with data-dependent triangulation. Avoids blurring across sharp color changes. Most useful when used to shrink images slightly to a slightly smaller "web size"; may not look good when a full-sized image is adaptively resized to a thumbnail. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">columns</tt></i></span> <dd> <p class="para"> The number of columns in the scaled image. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">rows</tt></i></span> <dd> <p class="para"> The number of rows in the scaled image. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">fit</tt></i></span> <dd> <p class="para"> </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 changelog"> <h3 class="title">ChangeLog</h3> <p class="para"> <table class="informaltable"> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Version</th> <th colspan="1">Description</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">2.1.0</td> <td colspan="1" rowspan="1" align="left"> Added optional fit parameter. This method now supports proportional scaling. Pass zero as either parameter for proportional scaling. </td> </tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Using <b>Imagick::adaptiveResizeImage()</b></b></p> <div class="example-contents"><p> Resize an image to a standard size for the web. This method works best when resizing to a size only slightly smaller than the previous image size. </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />header</span><span style="color: #007700">(</span><span style="color: #DD0000">'Content-type: image/jpeg'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$image </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 /></span><span style="color: #0000BB">$image</span><span style="color: #007700">-></span><span style="color: #0000BB">adaptiveResizeImage</span><span style="color: #007700">(</span><span style="color: #0000BB">1024</span><span style="color: #007700">,</span><span style="color: #0000BB">768</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">$image</span><span style="color: #007700">;<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-chopimage.html" class="function" rel="rdfs-seeAlso">Imagick::chopImage()</a></li> <li class="member"><a href="function.imagick-cropimage.html" class="function" rel="rdfs-seeAlso">Imagick::cropImage()</a></li> <li class="member"><a href="function.imagick-magnifyimage.html" class="function" rel="rdfs-seeAlso">Imagick::magnifyImage()</a></li> <li class="member"><a href="function.imagick-minifyimage.html" class="function" rel="rdfs-seeAlso">Imagick::minifyImage()</a></li> <li class="member"><a href="function.imagick-resizeimage.html" class="function" rel="rdfs-seeAlso">Imagick::resizeImage()</a></li> <li class="member"><a href="function.imagick-scaleimage.html" class="function" rel="rdfs-seeAlso">Imagick::scaleImage()</a></li> <li class="member"><a href="function.imagick-shaveimage.html" class="function" rel="rdfs-seeAlso">Imagick::shaveImage()</a></li> <li class="member"><a href="function.imagick-thumbnailimage.html" class="function" rel="rdfs-seeAlso">Imagick::thumbnailImage()</a></li> <li class="member"><a href="function.imagick-trimimage.html" class="function" rel="rdfs-seeAlso">Imagick::trimImage()</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-adaptiveblurimage.html">Imagick::adaptiveBlurImage</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.imagick-adaptivesharpenimage.html">Imagick::adaptiveSharpenImage</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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