PHP Manual
Gmagick
Displaces an image's colormap

Gmagick::cyclecolormapimage

(PECL gmagick >= Unknown)

Gmagick::cyclecolormapimage — 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。

相关文章

php gmagick adds a comment to your image php gmagick composite one image onto another php gmagick displaces an image s colormap php gmagick equalizes the image histogram php gmagick creates a vertical mirror image php gmagick gets the depth of the image php gmagick gets the image disposal method php gmagick gets the extrema for the image php gmagick gets the image rendering intent php gmagick gets the image x and y resolution php gmagick gets the image scene php gmagick creates a new image as a copy php gmagick adds a label to an image php gmagick analyzes the colors within a reference image php gmagick scales an image php gmagick offsets an image php gmagick rotates an image php gmagick sets the filename of a particular image in a sequence php gmagick sets the format of a particular image php imagick displaces an image s colormap

关注编程学问公众号