(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. 此方法在Imagick基于ImageMagick 6.4.4以上版本編譯時(shí)可用。
沒(méi)有返回值。