Php/docs/imagick.cyclecolormapimage
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Imagick::cycleColormapImage
(PECL imagick 2, PECL imagick 3)
Imagick::cycleColormapImage — Displaces an image's colormap
说明
public 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。