This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk.
Distorts an image using various distortion methods, by mapping color lookups of the source
image to a new destination image usally of the same size as the source image, unless 'bestfit' is set to true.
If 'bestfit' is enabled, and distortion allows it, the destination image is adjusted to ensure the whole source 'image' will just fit within the final destination image, which will be sized and offset accordingly. Also in many cases the virtual offset of the source image will be taken into account in the mapping.
This functionality is present if Imagick is compiled against ImageMagick 6.3.6 or later.