Imagick::cycleColormapImage

(PECL imagick 2.0.0)

Imagick::cycleColormapImage — Displaces an image's colormap

说明

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。

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