Gmagick
PHP Manual

Gmagick::cyclecolormapimage

(PECL gmagick >= Unknown)

Gmagick::cyclecolormapimage — Displaces an image's colormap

Description

public void Gmagick::cyclecolormapimage ( float $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.

Parameters

displace

The amount to displace the colormap.

Return Values

Returns self on success.

Errors/Exceptions

Throws an GmagickException on error.

Gmagick
PHP Manual