--- /dev/null
+/*
+ * 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.altosuilib_2;
+
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import java.io.*;
+import java.lang.Math;
+import java.awt.geom.*;
+import java.util.*;
+import java.util.concurrent.*;
+import org.altusmetrum.altoslib_4.*;
+
+class PathPoint {
+ AltosUILatLon lat_lon;
+ int state;
+
+ public PathPoint(AltosUILatLon lat_lon, int state) {
+ this.lat_lon = lat_lon;
+ this.state = state;
+ }
+
+ public boolean equals(PathPoint other) {
+ if (other == null)
+ return false;
+
+ return lat_lon.equals(other.lat_lon) && state == other.state;
+ }
+}
+
+public class AltosUIMapPath {
+
+ LinkedList<PathPoint> points = new LinkedList<PathPoint>();
+ PathPoint last_point = null;
+
+ static public int stroke_width = 6;
+
+ public void paint(Graphics2D g, AltosUIMapTransform t) {
+ Point2D.Double prev = null;
+
+ g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+ RenderingHints.VALUE_ANTIALIAS_ON);
+ g.setStroke(new BasicStroke(stroke_width, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
+
+ for (PathPoint point : points) {
+ Point2D.Double cur = t.screen(point.lat_lon);
+ if (prev != null) {
+ Line2D.Double line = new Line2D.Double (prev, cur);
+ Rectangle bounds = line.getBounds();
+
+ if (g.hitClip(bounds.x, bounds.y, bounds.width, bounds.height)) {
+ if (0 <= point.state && point.state < AltosUIMap.stateColors.length)
+ g.setColor(AltosUIMap.stateColors[point.state]);
+ else
+ g.setColor(AltosUIMap.stateColors[AltosLib.ao_flight_invalid]);
+
+ g.draw(line);
+ }
+ }
+ prev = cur;
+ }
+ }
+
+ public AltosUIMapRectangle add(double lat, double lon, int state) {
+ PathPoint point = new PathPoint(new AltosUILatLon (lat, lon), state);
+ AltosUIMapRectangle rect = null;
+
+ if (!point.equals(last_point)) {
+ if (last_point != null)
+ rect = new AltosUIMapRectangle(last_point.lat_lon, point.lat_lon);
+ points.add (point);
+ last_point = point;
+ }
+ return rect;
+ }
+
+ public void clear () {
+ points = new LinkedList<PathPoint>();
+ }
+}