(PECL imagick 2.0.0)
Composite one image onto another
bool Imagick::compositeImage ( Imagick $composite_object, int $composite, int $x, int $y [, int $channel = Imagick::CHANNEL_ALL ] )
Composite one image onto another at the specified offset. Any extra arguments needed for the compose algorithm should passed to setImageArtifact with 'compose:args' as the first parameter and the data as the second parameter.