Imagick::swirlImage

(PECL imagick 2, PECL imagick 3)

Imagick::swirlImageSwirls the pixels about the center of the image

说明

Imagick::swirlImage ( float $degrees ) : bool

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。

范例

Example #1 Imagick::swirlImage()

<?php
function swirlImage($imagePath$swirl) {
    
$imagick = new \Imagick(realpath($imagePath));
    
$imagick->swirlImage($swirl);
    
header("Content-Type: image/jpg");
    echo 
$imagick->getImageBlob();
}

?>

User Contributed Notes

Anonymous 05-Nov-2009 08:47
<?php

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

?>
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