git.gag.com Git - fw/altos/blob - altosuilib/AltosUIMap.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_11;
  19
  20 import java.awt.*;
  21 import java.awt.event.*;
  22 import java.awt.image.*;
  23 import javax.swing.*;
  24 import java.io.*;
  25 import java.lang.Math;
  26 import java.awt.geom.*;
  27 import java.util.*;
  28 import java.util.concurrent.*;
  29 import javax.imageio.*;
  30 import org.altusmetrum.altoslib_11.*;
  31
  32 public class AltosUIMap extends JComponent implements AltosFlightDisplay, AltosMapInterface {
  33
  34         AltosMap        map;
  35         Graphics2D      g;
  36         Font            tile_font;
  37         Font            line_font;
  38
  39         static Point2D.Double point2d(AltosPointDouble pt) {
  40                 return new Point2D.Double(pt.x, pt.y);
  41         }
  42
  43         static final AltosPointDouble point_double(Point pt) {
  44                 return new AltosPointDouble(pt.x, pt.y);
  45         }
  46
  47         class MapMark extends AltosMapMark {
  48                 public void paint(AltosMapTransform t) {
  49                         AltosPointDouble pt = t.screen(lat_lon);
  50
  51                         g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
  52                                            RenderingHints.VALUE_ANTIALIAS_ON);
  53                         g.setStroke(new BasicStroke(stroke_width, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
  54
  55                         if (0 <= state && state < AltosUIMap.stateColors.length)
  56                                 g.setColor(AltosUIMap.stateColors[state]);
  57                         else
  58                                 g.setColor(AltosUIMap.stateColors[AltosLib.ao_flight_invalid]);
  59
  60                         g.drawOval((int)pt.x-5, (int)pt.y-5, 10, 10);
  61                         g.drawOval((int)pt.x-20, (int)pt.y-20, 40, 40);
  62                         g.drawOval((int)pt.x-35, (int)pt.y-35, 70, 70);
  63                 }
  64
  65                 MapMark(double lat, double lon, int state) {
  66                         super(lat, lon, state);
  67                 }
  68         }
  69
  70         class MapView extends JComponent implements MouseMotionListener, MouseListener, ComponentListener, MouseWheelListener {
  71
  72                 private VolatileImage create_back_buffer() {
  73                         return getGraphicsConfiguration().createCompatibleVolatileImage(getWidth(), getHeight());
  74                 }
  75
  76                 private void do_paint(Graphics my_g) {
  77                         g = (Graphics2D) my_g;
  78
  79                         map.paint();
  80                 }
  81
  82                 public void paint(Graphics my_g) {
  83                         VolatileImage   back_buffer = create_back_buffer();
  84
  85                         Graphics2D      top_g = (Graphics2D) my_g;
  86
  87                         do {
  88                                 GraphicsConfiguration gc = getGraphicsConfiguration();
  89                                 int code = back_buffer.validate(gc);
  90                                 if (code == VolatileImage.IMAGE_INCOMPATIBLE)
  91                                         back_buffer = create_back_buffer();
  92
  93                                 Graphics g_back = back_buffer.getGraphics();
  94                                 g_back.setClip(top_g.getClip());
  95                                 do_paint(g_back);
  96                                 g_back.dispose();
  97
  98                                 top_g.drawImage(back_buffer, 0, 0, this);
  99                         } while (back_buffer.contentsLost());
 100                         back_buffer.flush();
 101                 }
 102
 103                 public void repaint(AltosRectangle damage) {
 104                         repaint(damage.x, damage.y, damage.width, damage.height);
 105                 }
 106
 107                 private boolean is_drag_event(MouseEvent e) {
 108                         return e.getModifiers() == InputEvent.BUTTON1_MASK;
 109                 }
 110
 111                 /* MouseMotionListener methods */
 112
 113                 public void mouseDragged(MouseEvent e) {
 114                         map.touch_continue(e.getPoint().x, e.getPoint().y, is_drag_event(e));
 115                 }
 116
 117                 public void mouseMoved(MouseEvent e) {
 118                 }
 119
 120                 /* MouseListener methods */
 121                 public void mouseClicked(MouseEvent e) {
 122                 }
 123
 124                 public void mouseEntered(MouseEvent e) {
 125                 }
 126
 127                 public void mouseExited(MouseEvent e) {
 128                 }
 129
 130                 public void mousePressed(MouseEvent e) {
 131                         map.touch_start(e.getPoint().x, e.getPoint().y, is_drag_event(e));
 132                 }
 133
 134                 public void mouseReleased(MouseEvent e) {
 135                 }
 136
 137                 /* MouseWheelListener methods */
 138
 139                 public void mouseWheelMoved(MouseWheelEvent e) {
 140                         int     zoom_change = e.getWheelRotation();
 141
 142                         map.set_zoom_centre(map.get_zoom() - zoom_change, new AltosPointInt(e.getPoint().x, e.getPoint().y));
 143                 }
 144
 145                 /* ComponentListener methods */
 146
 147                 public void componentHidden(ComponentEvent e) {
 148                 }
 149
 150                 public void componentMoved(ComponentEvent e) {
 151                 }
 152
 153                 public void componentResized(ComponentEvent e) {
 154                         map.set_transform();
 155                 }
 156
 157                 public void componentShown(ComponentEvent e) {
 158                         map.set_transform();
 159                 }
 160
 161                 MapView() {
 162                         addComponentListener(this);
 163                         addMouseMotionListener(this);
 164                         addMouseListener(this);
 165                         addMouseWheelListener(this);
 166                 }
 167         }
 168
 169         class MapLine extends AltosMapLine {
 170
 171                 public void paint(AltosMapTransform t) {
 172
 173                         if (start == null || end == null)
 174                                 return;
 175
 176                         g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
 177
 178                         Line2D.Double line = new Line2D.Double(point2d(t.screen(start)),
 179                                                                point2d(t.screen(end)));
 180
 181                         g.setColor(Color.WHITE);
 182                         g.setStroke(new BasicStroke(stroke_width+4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
 183                         g.draw(line);
 184
 185                         g.setColor(Color.BLUE);
 186                         g.setStroke(new BasicStroke(stroke_width, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
 187                         g.draw(line);
 188
 189                         String  message = line_dist();
 190                         Rectangle2D     bounds;
 191                         bounds = line_font.getStringBounds(message, g.getFontRenderContext());
 192
 193                         float x = (float) line.x1;
 194                         float y = (float) line.y1 + (float) bounds.getHeight() / 2.0f;
 195
 196                         if (line.x1 < line.x2) {
 197                                 x -= (float) bounds.getWidth() + 2.0f;
 198                         } else {
 199                                 x += 2.0f;
 200                         }
 201
 202                         g.setFont(line_font);
 203                         g.setColor(Color.WHITE);
 204                         for (int dy = -2; dy <= 2; dy += 2)
 205                                 for (int dx = -2; dx <= 2; dx += 2)
 206                                         g.drawString(message, x + dx, y + dy);
 207                         g.setColor(Color.BLUE);
 208                         g.drawString(message, x, y);
 209                 }
 210
 211                 public MapLine() {
 212                 }
 213         }
 214
 215         class MapPath extends AltosMapPath {
 216                 public void paint(AltosMapTransform t) {
 217                         Point2D.Double  prev = null;
 218
 219                         g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
 220                                            RenderingHints.VALUE_ANTIALIAS_ON);
 221                         g.setStroke(new BasicStroke(stroke_width, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
 222
 223                         for (AltosMapPathPoint point : points) {
 224                                 Point2D.Double  cur = point2d(t.screen(point.lat_lon));
 225                                 if (prev != null) {
 226                                         Line2D.Double   line = new Line2D.Double (prev, cur);
 227                                         Rectangle       bounds = line.getBounds();
 228
 229                                         if (g.hitClip(bounds.x, bounds.y, bounds.width, bounds.height)) {
 230                                                 if (0 <= point.state && point.state < AltosUIMap.stateColors.length)
 231                                                         g.setColor(AltosUIMap.stateColors[point.state]);
 232                                                 else
 233                                                         g.setColor(AltosUIMap.stateColors[AltosLib.ao_flight_invalid]);
 234
 235                                                 g.draw(line);
 236                                         }
 237                                 }
 238                                 prev = cur;
 239                         }
 240                 }
 241         }
 242
 243         class MapTile extends AltosMapTile {
 244                 public MapTile(AltosMapCache cache, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size, int scale) {
 245                         super(cache, upper_left, center, zoom, maptype, px_size, scale);
 246                 }
 247
 248                 public void paint(AltosMapTransform t) {
 249
 250                         AltosPointDouble        point_double = t.screen(upper_left);
 251                         Point                   point = new Point((int) (point_double.x + 0.5),
 252                                                                   (int) (point_double.y + 0.5));
 253
 254                         if (!g.hitClip(point.x, point.y, px_size, px_size))
 255                                 return;
 256
 257                         AltosImage      altos_image = get_image();
 258                         AltosUIImage    ui_image = (AltosUIImage) altos_image;
 259                         Image           image = null;
 260
 261                         if (ui_image != null)
 262                                 image = ui_image.image;
 263
 264                         if (image != null) {
 265                                 g.drawImage(image, point.x, point.y, null);
 266                         } else {
 267                                 g.setColor(Color.GRAY);
 268                                 g.fillRect(point.x, point.y, px_size, px_size);
 269
 270                                 if (t.has_location()) {
 271                                         String  message = null;
 272                                         switch (status) {
 273                                         case AltosMapTile.fetching:
 274                                                 message = "Fetching...";
 275                                                 break;
 276                                         case AltosMapTile.bad_request:
 277                                                 message = "Internal error";
 278                                                 break;
 279                                         case AltosMapTile.failed:
 280                                                 message = "Network error, check connection";
 281                                                 break;
 282                                         case AltosMapTile.forbidden:
 283                                                 message = "Too many requests, try later";
 284                                                 break;
 285                                         }
 286                                         if (message != null && tile_font != null) {
 287                                                 g.setFont(tile_font);
 288                                                 g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
 289                                                 Rectangle2D bounds = tile_font.getStringBounds(message, g.getFontRenderContext());
 290
 291                                                 float x = px_size / 2.0f;
 292                                                 float y = px_size / 2.0f;
 293                                                 x = x - (float) bounds.getWidth() / 2.0f;
 294                                                 y = y + (float) bounds.getHeight() / 2.0f;
 295                                                 g.setColor(Color.BLACK);
 296                                                 g.drawString(message, (float) point_double.x + x, (float) point_double.y + y);
 297                                         }
 298                                 }
 299                         }
 300                 }
 301         }
 302
 303         public static final Color stateColors[] = {
 304                 Color.WHITE,  // startup
 305                 Color.WHITE,  // idle
 306                 Color.WHITE,  // pad
 307                 Color.RED,    // boost
 308                 Color.PINK,   // fast
 309                 Color.YELLOW, // coast
 310                 Color.CYAN,   // drogue
 311                 Color.BLUE,   // main
 312                 Color.BLACK,  // landed
 313                 Color.BLACK,  // invalid
 314                 Color.CYAN,   // stateless
 315         };
 316
 317         /* AltosMapInterface functions */
 318
 319         public AltosMapPath new_path() {
 320                 return new MapPath();
 321         }
 322
 323         public AltosMapLine new_line() {
 324                 return new MapLine();
 325         }
 326
 327         public AltosImage load_image(File file) throws Exception {
 328                 return new AltosUIImage(ImageIO.read(file));
 329         }
 330
 331         public AltosMapMark new_mark(double lat, double lon, int state) {
 332                 return new MapMark(lat, lon, state);
 333         }
 334
 335         public AltosMapTile new_tile(AltosMapCache cache, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size, int scale) {
 336                 return new MapTile(cache, upper_left, center, zoom, maptype, px_size, scale);
 337         }
 338
 339         public int width() {
 340                 return view.getWidth();
 341         }
 342
 343         public int height() {
 344                 return view.getHeight();
 345         }
 346
 347         public void repaint() {
 348                 view.repaint();
 349         }
 350
 351         public void repaint(AltosRectangle damage) {
 352                 view.repaint(damage);
 353         }
 354
 355         public void set_zoom_label(String label) {
 356                 zoom_label.setText(label);
 357         }
 358
 359         public void select_object(AltosLatLon latlon) {
 360                 debug("select at %f,%f\n", latlon.lat, latlon.lon);
 361         }
 362
 363         public void debug(String format, Object ... arguments) {
 364                 if (AltosUIPreferences.serial_debug())
 365                         System.out.printf(format, arguments);
 366         }
 367
 368
 369         /* AltosFlightDisplay interface */
 370
 371         public void set_font() {
 372                 tile_font = AltosUILib.value_font;
 373                 line_font = AltosUILib.status_font;
 374         }
 375
 376         public void font_size_changed(int font_size) {
 377                 set_font();
 378                 repaint();
 379         }
 380
 381         public void units_changed(boolean imperial_units) {
 382                 repaint();
 383         }
 384
 385         JLabel  zoom_label;
 386
 387         public void set_maptype(int type) {
 388                 map.set_maptype(type);
 389                 maptype_combo.setSelectedIndex(type);
 390         }
 391
 392         /* AltosUIMapPreload functions */
 393
 394         public void set_zoom(int zoom) {
 395                 map.set_zoom(zoom);
 396         }
 397
 398         public void add_mark(double lat, double lon, int status) {
 399                 map.add_mark(lat, lon, status);
 400         }
 401
 402         public void clear_marks() {
 403                 map.clear_marks();
 404         }
 405
 406         /* AltosFlightDisplay interface */
 407         public void reset() {
 408                 // nothing
 409         }
 410
 411         public void show(AltosState state, AltosListenerState listener_state) {
 412                 map.show(state, listener_state);
 413         }
 414
 415         public String getName() {
 416                 return "Map";
 417         }
 418
 419         /* AltosGraphUI interface */
 420         public void centre(AltosState state) {
 421                 map.centre(state);
 422         }
 423
 424         /* internal layout bits */
 425         private GridBagLayout layout = new GridBagLayout();
 426
 427         JComboBox<String>       maptype_combo;
 428
 429         MapView view;
 430
 431         public AltosUIMap() {
 432
 433                 set_font();
 434
 435                 view = new MapView();
 436
 437                 view.setPreferredSize(new Dimension(500,500));
 438                 view.setVisible(true);
 439                 view.setEnabled(true);
 440
 441                 GridBagLayout   my_layout = new GridBagLayout();
 442
 443                 setLayout(my_layout);
 444
 445                 GridBagConstraints c = new GridBagConstraints();
 446                 c.anchor = GridBagConstraints.CENTER;
 447                 c.fill = GridBagConstraints.BOTH;
 448                 c.gridx = 0;
 449                 c.gridy = 0;
 450                 c.gridwidth = 1;
 451                 c.gridheight = 10;
 452                 c.weightx = 1;
 453                 c.weighty = 1;
 454                 add(view, c);
 455
 456                 int     y = 0;
 457
 458                 zoom_label = new JLabel("", JLabel.CENTER);
 459
 460                 c = new GridBagConstraints();
 461                 c.anchor = GridBagConstraints.CENTER;
 462                 c.fill = GridBagConstraints.HORIZONTAL;
 463                 c.gridx = 1;
 464                 c.gridy = y++;
 465                 c.weightx = 0;
 466                 c.weighty = 0;
 467                 add(zoom_label, c);
 468
 469                 JButton zoom_reset = new JButton("0");
 470                 zoom_reset.addActionListener(new ActionListener() {
 471                                 public void actionPerformed(ActionEvent e) {
 472                                         map.set_zoom(map.default_zoom);
 473                                 }
 474                         });
 475
 476                 c = new GridBagConstraints();
 477                 c.anchor = GridBagConstraints.CENTER;
 478                 c.fill = GridBagConstraints.HORIZONTAL;
 479                 c.gridx = 1;
 480                 c.gridy = y++;
 481                 c.weightx = 0;
 482                 c.weighty = 0;
 483                 add(zoom_reset, c);
 484
 485                 JButton zoom_in = new JButton("+");
 486                 zoom_in.addActionListener(new ActionListener() {
 487                                 public void actionPerformed(ActionEvent e) {
 488                                         map.set_zoom(map.get_zoom() + 1);
 489                                 }
 490                         });
 491
 492                 c = new GridBagConstraints();
 493                 c.anchor = GridBagConstraints.CENTER;
 494                 c.fill = GridBagConstraints.HORIZONTAL;
 495                 c.gridx = 1;
 496                 c.gridy = y++;
 497                 c.weightx = 0;
 498                 c.weighty = 0;
 499                 add(zoom_in, c);
 500
 501                 JButton zoom_out = new JButton("-");
 502                 zoom_out.addActionListener(new ActionListener() {
 503                                 public void actionPerformed(ActionEvent e) {
 504                                         map.set_zoom(map.get_zoom() - 1);
 505                                 }
 506                         });
 507                 c = new GridBagConstraints();
 508                 c.anchor = GridBagConstraints.CENTER;
 509                 c.fill = GridBagConstraints.HORIZONTAL;
 510                 c.gridx = 1;
 511                 c.gridy = y++;
 512                 c.weightx = 0;
 513                 c.weighty = 0;
 514                 add(zoom_out, c);
 515
 516                 maptype_combo = new JComboBox<String>(map.maptype_labels);
 517
 518                 maptype_combo.setEditable(false);
 519                 maptype_combo.setMaximumRowCount(maptype_combo.getItemCount());
 520                 maptype_combo.addItemListener(new ItemListener() {
 521                                 public void itemStateChanged(ItemEvent e) {
 522                                         map.set_maptype(maptype_combo.getSelectedIndex());
 523                                 }
 524                         });
 525
 526                 c = new GridBagConstraints();
 527                 c.anchor = GridBagConstraints.CENTER;
 528                 c.fill = GridBagConstraints.HORIZONTAL;
 529                 c.gridx = 1;
 530                 c.gridy = y++;
 531                 c.weightx = 0;
 532                 c.weighty = 0;
 533                 add(maptype_combo, c);
 534
 535                 map = new AltosMap(this);
 536         }
 537 }