altoslib: Missing file for filter additions.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/altoslib/AltosFilterListener.java b/altoslib/AltosFilterListener.java
new file mode 100644
index 00000000..fe91100a
--- /dev/null
+++ b/altoslib/AltosFilterListener.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright © 2017 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+package org.altusmetrum.altoslib_12;
+
+public interface AltosFilterListener {
+	void filter_changed(double speed_filter, double accel_filter);
+
+	double speed_filter();
+	double accel_filter();
+}