The Gravity's family function belongs to ImagickDraw() class.
I have to read the sources to figure this out.
Example from sources: http://tinyurl.com/ybwlemc
Imagick::setGravity
(No version information available, might only be in SVN)
Imagick::setGravity — Sets the gravity
Descrição
bool Imagick::setGravity
( int $gravity
)
Sets the global gravity property for the Imagick object. This method is available if Imagick has been compiled against ImageMagick version 6.4.0 or newer.
Valor Retornado
Não há valor retornado.
User Contributed Notes
Imagick::setGravity
Imagick::setGravity
presto dot dk at gmail dot com
01-Feb-2010 02:08
01-Feb-2010 02:08

Imagick::setFormat