Imagick
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Imagick::swirlImage

(PECL imagick 2.0.0)

Imagick::swirlImage — Swirls the pixels about the center of the image

说明

bool Imagick::swirlImage ( float $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.

参数

degrees

返回值

成功时返回 TRUE .

错误/异常

错误时抛出 ImagickException .

Imagick
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PHP手册 - N: Swirls the pixels about the center of the image

用户评论:

Anonymous (06-Nov-2009 04:47)

<?php

$img = new Imagick('blablabla.jpg');
$img->swirlImage ( 20.0 );
header("Content-Type: image/jpeg");
echo $img;

?>