(PECL imagick 2.0.0)
Imagick::swirlImage — Swirls the pixels about the center of the image
Esta función no está documentada actualmente, solamente se encuentra disponible la lista de parámetros.
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.
Returns TRUE on success.
Throws ImagickException on error.