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.*;
  25 import java.io.*;
  26 import java.util.*;
  27 import java.awt.RenderingHints.*;
  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         int status;
  44
  45         Point2D.Double  boost;
  46         Point2D.Double  landed;
  47
  48         LinkedList<AltosPoint>  points;
  49
  50         public synchronized void queue_repaint() {
  51                 SwingUtilities.invokeLater(new Runnable() {
  52                                 public void run() {
  53                                         repaint();
  54                                 }
  55                         });
  56         }
  57
  58         public void load_map(File pngFile) {
  59                 file = pngFile;
  60                 queue_repaint();
  61         }
  62
  63         private Font    font = null;
  64
  65         public void set_font(Font font) {
  66                 this.font = font;
  67                 this.status = AltosSiteMapCache.success;
  68                 queue_repaint();
  69         }
  70
  71         public void set_status(int status) {
  72                 file = null;
  73                 this.status = status;
  74                 queue_repaint();
  75         }
  76
  77         public void clearMap() {
  78                 boost = null;
  79                 landed = null;
  80                 points = null;
  81                 file = null;
  82                 status = AltosSiteMapCache.success;
  83                 queue_repaint();
  84         }
  85
  86         static Color stateColors[] = {
  87                 Color.WHITE,  // startup
  88                 Color.WHITE,  // idle
  89                 Color.WHITE,  // pad
  90                 Color.RED,    // boost
  91                 Color.PINK,   // fast
  92                 Color.YELLOW, // coast
  93                 Color.CYAN,   // drogue
  94                 Color.BLUE,   // main
  95                 Color.BLACK   // landed
  96         };
  97
  98         private void draw_circle(Graphics g, Point2D.Double pt) {
  99                 g.drawOval((int)pt.x-5, (int)pt.y-5, 10, 10);
 100                 g.drawOval((int)pt.x-20, (int)pt.y-20, 40, 40);
 101                 g.drawOval((int)pt.x-35, (int)pt.y-35, 70, 70);
 102         }
 103
 104         public void set_boost(Point2D.Double boost) {
 105                 this.boost = boost;
 106                 queue_repaint();
 107         }
 108
 109         public void paint(Graphics g) {
 110                 Graphics2D      g2d = (Graphics2D) g;
 111                 AltosPoint      prev = null;
 112                 Image           img = null;
 113
 114                 if (file != null)
 115                         img = AltosSiteMapCache.get_image(this, file, px_size, px_size);
 116
 117                 if (img != null) {
 118                         g2d.drawImage(img, 0, 0, null);
 119                 } else {
 120                         g2d.setColor(Color.GRAY);
 121                         g2d.fillRect(0, 0, getWidth(), getHeight());
 122                         String  message = null;
 123                         switch (status) {
 124                         case AltosSiteMapCache.loading:
 125                                 message = "Loading...";
 126                                 break;
 127                         case AltosSiteMapCache.bad_request:
 128                                 message = "Internal error";
 129                                 break;
 130                         case AltosSiteMapCache.failed:
 131                                 message = "Network error, check connection";
 132                                 break;
 133                         case AltosSiteMapCache.forbidden:
 134                                 message = "Too many requests, try later";
 135                                 break;
 136                         }
 137                         if (message != null && font != null) {
 138                                 g2d.setFont(font);
 139                                 g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
 140                                 Rectangle2D     bounds;
 141                                 bounds = font.getStringBounds(message, g2d.getFontRenderContext());
 142
 143                                 float x = getWidth() / 2.0f;
 144                                 float y = getHeight() / 2.0f;
 145                                 x = x - (float) bounds.getWidth() / 2.0f;
 146                                 y = y - (float) bounds.getHeight() / 2.0f;
 147                                 g2d.setColor(Color.BLACK);
 148                                 g2d.drawString(message, x, y);
 149                         }
 150                 }
 151
 152                 g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
 153                                    RenderingHints.VALUE_ANTIALIAS_ON);
 154                 g2d.setStroke(new BasicStroke(6, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
 155
 156                 if (points != null) {
 157                         for (AltosPoint point : points) {
 158                                 if (prev != null) {
 159                                         if (0 <= point.state && point.state < stateColors.length)
 160                                                 g2d.setColor(stateColors[point.state]);
 161                                         g2d.draw(new Line2D.Double(prev.pt, point.pt));
 162                                 }
 163                                 prev = point;
 164                         }
 165                 }
 166                 if (boost != null) {
 167                         g2d.setColor(Color.RED);
 168                         draw_circle(g2d, boost);
 169                 }
 170                 if (landed != null) {
 171                         g2d.setColor(Color.BLACK);
 172                         draw_circle(g2d, landed);
 173                 }
 174         }
 175
 176         public synchronized void show(int state, Point2D.Double last_pt, Point2D.Double pt)
 177         {
 178                 if (points == null)
 179                         points = new LinkedList<AltosPoint>();
 180
 181                 points.add(new AltosPoint(pt, state));
 182
 183                 if (state == AltosLib.ao_flight_boost && boost == null)
 184                         boost = pt;
 185                 if (state == AltosLib.ao_flight_landed && landed == null)
 186                         landed = pt;
 187                 queue_repaint();
 188         }
 189
 190         public AltosSiteMapTile(int in_px_size) {
 191                 px_size = in_px_size;
 192                 setPreferredSize(new Dimension(px_size, px_size));
 193         }
 194 }