Gmagick::cyclecolormapimage()

(PECL gmagick >= Unknown)

Displaces an image's colormap

说明

publicGmagick::cyclecolormapimage(int $displace): Gmagick

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

Returns self on success.

错误／异常

错误时抛出GmagickException。