gdk-pixbuf:pixbuf-rotate-simple (pixbuf angle)

pixbuf -- a gdk-pixbuf:pixbuf object
angle -- a gdk-pixbuf:pixbuf-rotation value

The new gdk-pixbuf:pixbuf object, or nil if not enough memory could be allocated.

Rotates a pixbuf by a multiple of 90 degrees, and returns the result in a new pixbuf.