PHP Manual
Gmagick
Swirls the pixels about the center of the image

Gmagick::swirlimage

(PECL gmagick >= Unknown)

Gmagick::swirlimage — Swirls the pixels about the center of the image

说明

public Gmagick::swirlimage ( float $degrees ) : Gmagick

Swirls the pixels about the center of the image, where degrees indicates the sweep of the arc through which each pixel is moved. You get a more dramatic effect as the degrees move from 1 to 360.

参数

degrees: Define the tightness of the swirling effect.

返回值

The Gmagick object on success

错误／异常

错误时抛出 GmagickException。

php gmagick adds a comment to your image php gmagick improves the quality of a noisy image php gmagick equalizes the image histogram php gmagick gets the image delay php gmagick gets the depth of the image php gmagick gets the image rendering intent php gmagick checks if the object has a previous image php gmagick creates a new image as a copy php gmagick adds or removes a profile from an image php gmagick analyzes the colors within a reference image php gmagick resample image to desired resolution php gmagick scales an image php gmagick sets the image disposal method php gmagick sets the filename of a particular image in a sequence php gmagick sets the image sampling factors php gmagick swirls the pixels about the center of the image php imagick imports image pixels php imagick fetch basic attributes about the image php imagick shaves pixels from the image edges php imagick swirls the pixels about the center of the image