Gmagick::spreadimage()

(PECL gmagick >= Unknown)

Randomly displaces each pixel in a block

说明

publicGmagick::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 on success

错误／异常

错误时抛出GmagickException。