(PECL imagick 2.0.0)
Imagick::swirlImage — Swirls the pixels about the center of the image
$degrees
)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.
degrees
В случае успешной работы возвращает TRUE.
Вызывает ImagickException при ошибке.