Imagick
PHP 手册

Imagick::swirlImage

(PECL imagick 2.0.0)

Imagick::swirlImageSwirls 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
PHP 手册