(PECL imagick 2 >= 2.3.0, PECL imagick 3)
Imagick::setImageGravity — Sets the image gravity
$gravity
): boolSets the gravity property for the current image. This method can be used to set the gravity property for a single image sequence. This method is available if Imagick has been compiled against ImageMagick version 6.4.4 or newer.
No value is returned.