Gmagick
PHP Manual

Gmagick::cyclecolormapimage

(PECL gmagick >= Unknown)

Gmagick::cyclecolormapimageDisplaces an image's colormap

说明

public Gmagick Gmagick::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

Returns self on success.

错误/异常

Throws an GmagickException on error.


Gmagick
PHP Manual