Gmagick::spreadimage

(PECL gmagick >= Unknown)

Gmagick::spreadimage — Randomly displaces each pixel in a block

说明

public Gmagick::spreadimage(float $radius): Gmagick

Special effects method that randomly displaces each pixel in a block defined by the radius parameter.

参数

radius

Choose a random pixel in a neighborhood of this extent.

返回值

The Gmagick object.

错误／异常

错误时抛出 GmagickException。