gtk_gesture_zoom_get_scale_delta ( gesture_zoom -- gdouble )

Vocabulary

gtk3.ffi

Inputs

gesture_zoom

an object

Outputs

gdouble

an object

Definition

USING: alien.syntax gobject-introspection.standard-types ;

IN: gtk3.ffi

LIBRARY: gtk3 FUNCTION: gdouble
    gtk_gesture_zoom_get_scale_delta
    ( GtkGestureZoom* gesture_zoom )