(PECL imagick 2.0.0)
Imagick::swirlImage — Swirls the pixels about the center of the image
$degrees
)Swirls the pixels about the center of the image, where degrees indicates the sweep of the arc through which each pixel is moved. You get a more dramatic effect as the degrees move from 1 to 360.
degrees
成功时返回 TRUE。
错误时抛出 ImagickException。
Anonymous (2009-11-05 20:47:34)
<?php
$img = new Imagick('blablabla.jpg');
$img->swirlImage ( 20.0 );
header("Content-Type: image/jpeg");
echo $img;
?>