altoslib: Create display-independent map support code

This takes the swing-specific map code and creates a generic version.

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

1 files changed, 45 insertions, 0 deletions

diff --git a/altoslib/AltosMapRectangle.java b/altoslib/AltosMapRectangle.java
new file mode 100644
index 00000000..f2f30103
--- /dev/null
+++ b/altoslib/AltosMapRectangle.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright © 2014 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; version 2 of the License.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altoslib_6;
+
+public class AltosMapRectangle {
+	AltosLatLon	ul, lr;
+
+	public AltosMapRectangle(AltosLatLon a, AltosLatLon b) {
+		double	ul_lat, ul_lon;
+		double	lr_lat, lr_lon;
+
+		if (a.lat > b.lat) {
+			ul_lat = a.lat;
+			lr_lat = b.lat;
+		} else {
+			ul_lat = b.lat;
+			lr_lat = a.lat;
+		}
+		if (a.lon < b.lon) {
+			ul_lon = a.lon;
+			lr_lon = b.lon;
+		} else {
+			ul_lon = b.lon;
+			lr_lon = a.lon;
+		}
+
+		ul = new AltosLatLon(ul_lat, ul_lon);
+		lr = new AltosLatLon(lr_lat, lr_lon);
+	}
+}