static DBusMessage * impl_GetAlpha (DBusConnection * bus, DBusMessage * message, void *user_data) { AtkComponent *component = (AtkComponent *) user_data; double rv; DBusMessage *reply; g_return_val_if_fail (ATK_IS_COMPONENT (user_data), droute_not_yet_handled_error (message)); rv = atk_component_get_alpha (component); reply = dbus_message_new_method_return (message); if (reply) { dbus_message_append_args (reply, DBUS_TYPE_DOUBLE, &rv, DBUS_TYPE_INVALID); } return reply; }
static VALUE rg_alpha(VALUE self) { return rb_float_new(atk_component_get_alpha(_SELF(self))); }