Gmagick::cyclecolormapimage()
(PECL gmagick >= Unknown)
Displaces an image's colormap
说明
public Gmagick::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。