Imagick
PHP Manual

Imagick::cycleColormapImage

(PECL imagick 2.0.0)

Imagick::cycleColormapImageDisplaces an image's colormap

说明

bool Imagick::cycleColormapImage ( int $displace )

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。


Imagick
PHP Manual