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Diffstat (limited to 'altosuilib/AltosUIMapPath.java')
-rw-r--r-- | altosuilib/AltosUIMapPath.java | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/altosuilib/AltosUIMapPath.java b/altosuilib/AltosUIMapPath.java new file mode 100644 index 00000000..ff17be67 --- /dev/null +++ b/altosuilib/AltosUIMapPath.java @@ -0,0 +1,96 @@ +/* + * 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>(); + } +} |