gtk-paper-size-new-custom (name displayname width height unit)

name -- a string with the paper name
displayname -- a string with the human readable name
width -- a double float with the paper width, in units of unit
height -- a double float with the paper height, in units of unit
unit -- a gtk-unit value for width and height, not :none

A new gtk-paper-size instance.

Creates a new gtk-paper-size instance with the given parameters.