Imagick::cycleColormapImage

(PECL imagick 2, PECL imagick 3)

Imagick::cycleColormapImage — Displaces an image's colormap

说明

public Imagick::cycleColormapImage(int $displace): bool

Displaces an image's colormap by a given number of positions. If you cycle the colormap a number of times you can produce a psychedelic effect.

参数

displace

The amount to displace the colormap.

返回值

成功时返回 true。

错误／异常

错误时抛出 ImagickException。