PHP Manual
Gmagick
Randomly displaces each pixel in a block

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 on success

错误／异常

错误时抛出 GmagickException。

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