git.gag.com Git - fw/altos/blob - altosuilib/AltosSiteMapTile.java

   1 /*
   2  * Copyright © 2010 Anthony Towns <aj@erisian.com.au>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package org.altusmetrum.altosuilib_2;
  19
  20 import java.awt.*;
  21 import java.awt.image.*;
  22 import javax.swing.*;
  23 import javax.imageio.*;
  24 import java.awt.geom.Point2D;
  25 import java.awt.geom.Line2D;
  26 import java.io.*;
  27 import java.util.*;
  28 import org.altusmetrum.altoslib_4.*;
  29
  30 class AltosPoint {
  31         Point2D.Double  pt;
  32         int             state;
  33
  34         AltosPoint(Point2D.Double pt, int state) {
  35                 this.pt = pt;
  36                 this.state = state;
  37         }
  38 }
  39
  40 public class AltosSiteMapTile extends JComponent {
  41         int px_size;
  42         File file;
  43
  44         Point2D.Double  boost;
  45         Point2D.Double  landed;
  46
  47         LinkedList<AltosPoint>  points;
  48
  49         public void loadMap(File pngFile) {
  50                 file = pngFile;
  51                 repaint();
  52         }
  53
  54         public void clearMap() {
  55                 boost = null;
  56                 landed = null;
  57                 points = null;
  58                 file = null;
  59         }
  60
  61         static Color stateColors[] = {
  62                 Color.WHITE,  // startup
  63                 Color.WHITE,  // idle
  64                 Color.WHITE,  // pad
  65                 Color.RED,    // boost
  66                 Color.PINK,   // fast
  67                 Color.YELLOW, // coast
  68                 Color.CYAN,   // drogue
  69                 Color.BLUE,   // main
  70                 Color.BLACK   // landed
  71         };
  72
  73         private void draw_circle(Graphics g, Point2D.Double pt) {
  74                 g.drawOval((int)pt.x-5, (int)pt.y-5, 10, 10);
  75                 g.drawOval((int)pt.x-20, (int)pt.y-20, 40, 40);
  76                 g.drawOval((int)pt.x-35, (int)pt.y-35, 70, 70);
  77         }
  78
  79         public void set_boost(Point2D.Double boost) {
  80                 this.boost = boost;
  81                 repaint();
  82         }
  83
  84         public void paint(Graphics g) {
  85                 Graphics2D      g2d = (Graphics2D) g;
  86                 AltosPoint      prev = null;
  87                 Image           img = null;
  88
  89                 if (file != null)
  90                         img = AltosSiteMapCache.get_image(this, file, px_size, px_size);
  91
  92                 if (img != null) {
  93                         g2d.drawImage(img, 0, 0, null);
  94                 } else {
  95                         g2d.setColor(Color.GRAY);
  96                         g2d.fillRect(0, 0, getWidth(), getHeight());
  97                 }
  98
  99                 g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
 100                                    RenderingHints.VALUE_ANTIALIAS_ON);
 101                 g2d.setStroke(new BasicStroke(6, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
 102
 103                 if (points != null) {
 104                         for (AltosPoint point : points) {
 105                                 if (prev != null) {
 106                                         if (0 <= point.state && point.state < stateColors.length)
 107                                                 g2d.setColor(stateColors[point.state]);
 108                                         g2d.draw(new Line2D.Double(prev.pt, point.pt));
 109                                 }
 110                                 prev = point;
 111                         }
 112                 }
 113                 if (boost != null) {
 114                         g2d.setColor(Color.RED);
 115                         draw_circle(g2d, boost);
 116                 }
 117                 if (landed != null) {
 118                         g2d.setColor(Color.BLACK);
 119                         draw_circle(g2d, landed);
 120                 }
 121         }
 122
 123         public synchronized void show(AltosState state, AltosListenerState listener_state,
 124                                       Point2D.Double last_pt, Point2D.Double pt)
 125         {
 126                 if (points == null)
 127                         points = new LinkedList<AltosPoint>();
 128
 129                 points.add(new AltosPoint(pt, state.state));
 130
 131                 if (state.state == AltosLib.ao_flight_boost && boost == null)
 132                         boost = pt;
 133                 if (state.state == AltosLib.ao_flight_landed && landed == null)
 134                         landed = pt;
 135                 repaint();
 136         }
 137
 138         public AltosSiteMapTile(int in_px_size) {
 139                 px_size = in_px_size;
 140                 setPreferredSize(new Dimension(px_size, px_size));
 141         }
 142 }