PHP Manual
Gmagick
Swirls the pixels about the center of the image

Gmagick::swirlimage

(PECL gmagick >= Unknown)

Gmagick::swirlimage — Swirls the pixels about the center of the image

说明

public Gmagick::swirlimage ( float $degrees ) : Gmagick

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: Define the tightness of the swirling effect.

返回值

The Gmagick object on success

错误／异常

错误时抛出 GmagickException。

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