gtk:print-settings-paper-size (settings)

settings -- a gtk:print-settings object
size -- a gtk:paper-size instance with the paper size

Accessor of the "paper-format" of a print setting. The gtk:print-settings-paper-size function gets the value of "paper-format", converted to a gtk:paper-size instance. The (setf gtk:print-settings-paper-size) function sets the value of "paper-format", "paper-width", and "paper-height".

(setq settings (make-instance 'gtk:print-settings))
=> #<gtk:print-SETTINGS {1001A0F643}>
(setf (gtk:print-settings-paper-size settings) (gtk:paper-size-new "iso_a4"))
=> #<GTK:PAPER-SIZE {1001A244C3}>
(gtk:print-settings-paper-size settings)
=> #<GTK:PAPER-SIZE {1001A24B63}>