git.gag.com Git - fw/altos/blob - altosuilib/AltosUIMapNew.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_7;
  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_7.*;
  31
  32 public class AltosUIMapNew 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 < AltosUIMapNew.stateColors.length)
  56                                 g.setColor(AltosUIMapNew.stateColors[state]);
  57                         else
  58                                 g.setColor(AltosUIMapNew.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.notice_user_input();
 143                         AltosLatLon     mouse_lat_lon = null;
 144
 145                         if (map.transform != null)
 146                                 mouse_lat_lon = map.transform.screen_lat_lon(new AltosPointInt(e.getPoint().x, e.getPoint().y));
 147
 148                         map.set_zoom(map.get_zoom() - zoom_change);
 149
 150                         if (mouse_lat_lon != null) {
 151                                 AltosPointDouble        new_mouse = map.transform.screen(mouse_lat_lon);
 152
 153                                 int     dx = getWidth()/2 - e.getPoint().x;
 154                                 int     dy = getHeight()/2 - e.getPoint().y;
 155
 156                                 AltosLatLon     new_centre = map.transform.screen_lat_lon(new AltosPointInt((int) new_mouse.x + dx, (int) new_mouse.y + dy));
 157
 158                                 map.centre(new_centre);
 159                         }
 160                 }
 161
 162                 /* ComponentListener methods */
 163
 164                 public void componentHidden(ComponentEvent e) {
 165                 }
 166
 167                 public void componentMoved(ComponentEvent e) {
 168                 }
 169
 170                 public void componentResized(ComponentEvent e) {
 171                         map.set_transform();
 172                 }
 173
 174                 public void componentShown(ComponentEvent e) {
 175                         map.set_transform();
 176                 }
 177
 178                 MapView() {
 179                         addComponentListener(this);
 180                         addMouseMotionListener(this);
 181                         addMouseListener(this);
 182                         addMouseWheelListener(this);
 183                 }
 184         }
 185
 186         class MapLine extends AltosMapLine {
 187
 188                 public void paint(AltosMapTransform t) {
 189
 190                         if (start == null || end == null)
 191                                 return;
 192
 193                         g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
 194
 195                         Line2D.Double line = new Line2D.Double(point2d(t.screen(start)),
 196                                                                point2d(t.screen(end)));
 197
 198                         g.setColor(Color.WHITE);
 199                         g.setStroke(new BasicStroke(stroke_width+4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
 200                         g.draw(line);
 201
 202                         g.setColor(Color.BLUE);
 203                         g.setStroke(new BasicStroke(stroke_width, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
 204                         g.draw(line);
 205
 206                         String  message = line_dist();
 207                         Rectangle2D     bounds;
 208                         bounds = line_font.getStringBounds(message, g.getFontRenderContext());
 209
 210                         float x = (float) line.x1;
 211                         float y = (float) line.y1 + (float) bounds.getHeight() / 2.0f;
 212
 213                         if (line.x1 < line.x2) {
 214                                 x -= (float) bounds.getWidth() + 2.0f;
 215                         } else {
 216                                 x += 2.0f;
 217                         }
 218
 219                         g.setFont(line_font);
 220                         g.setColor(Color.WHITE);
 221                         for (int dy = -2; dy <= 2; dy += 2)
 222                                 for (int dx = -2; dx <= 2; dx += 2)
 223                                         g.drawString(message, x + dx, y + dy);
 224                         g.setColor(Color.BLUE);
 225                         g.drawString(message, x, y);
 226                 }
 227
 228                 public MapLine() {
 229                 }
 230         }
 231
 232         class MapPath extends AltosMapPath {
 233                 public void paint(AltosMapTransform t) {
 234                         Point2D.Double  prev = null;
 235
 236                         g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
 237                                            RenderingHints.VALUE_ANTIALIAS_ON);
 238                         g.setStroke(new BasicStroke(stroke_width, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
 239
 240                         for (AltosMapPathPoint point : points) {
 241                                 Point2D.Double  cur = point2d(t.screen(point.lat_lon));
 242                                 if (prev != null) {
 243                                         Line2D.Double   line = new Line2D.Double (prev, cur);
 244                                         Rectangle       bounds = line.getBounds();
 245
 246                                         if (g.hitClip(bounds.x, bounds.y, bounds.width, bounds.height)) {
 247                                                 if (0 <= point.state && point.state < AltosUIMapNew.stateColors.length)
 248                                                         g.setColor(AltosUIMapNew.stateColors[point.state]);
 249                                                 else
 250                                                         g.setColor(AltosUIMapNew.stateColors[AltosLib.ao_flight_invalid]);
 251
 252                                                 g.draw(line);
 253                                         }
 254                                 }
 255                                 prev = cur;
 256                         }
 257                 }
 258         }
 259
 260         class MapTile extends AltosMapTile {
 261                 public MapTile(AltosMapTileListener listener, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size) {
 262                         super(listener, upper_left, center, zoom, maptype, px_size);
 263                 }
 264
 265                 public void paint(AltosMapTransform t) {
 266
 267                         AltosPointDouble        point_double = t.screen(upper_left);
 268                         Point                   point = new Point((int) (point_double.x + 0.5),
 269                                                                   (int) (point_double.y + 0.5));
 270
 271                         if (!g.hitClip(point.x, point.y, px_size, px_size))
 272                                 return;
 273
 274                         AltosImage altos_image = cache.get(this, store, px_size, px_size);
 275
 276                         AltosUIImage    ui_image = (AltosUIImage) altos_image;
 277
 278                         Image image = null;
 279
 280                         if (ui_image != null)
 281                                 image = ui_image.image;
 282
 283                         if (image != null) {
 284                                 g.drawImage(image, point.x, point.y, null);
 285                         } else {
 286                                 g.setColor(Color.GRAY);
 287                                 g.fillRect(point.x, point.y, px_size, px_size);
 288
 289                                 if (t.has_location()) {
 290                                         String  message = null;
 291                                         switch (status) {
 292                                         case AltosMapTile.loading:
 293                                                 message = "Loading...";
 294                                                 break;
 295                                         case AltosMapTile.bad_request:
 296                                                 message = "Internal error";
 297                                                 break;
 298                                         case AltosMapTile.failed:
 299                                                 message = "Network error, check connection";
 300                                                 break;
 301                                         case AltosMapTile.forbidden:
 302                                                 message = "Too many requests, try later";
 303                                                 break;
 304                                         }
 305                                         if (message != null && tile_font != null) {
 306                                                 g.setFont(tile_font);
 307                                                 g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
 308                                                 Rectangle2D bounds = tile_font.getStringBounds(message, g.getFontRenderContext());
 309
 310                                                 float x = px_size / 2.0f;
 311                                                 float y = px_size / 2.0f;
 312                                                 x = x - (float) bounds.getWidth() / 2.0f;
 313                                                 y = y + (float) bounds.getHeight() / 2.0f;
 314                                                 g.setColor(Color.BLACK);
 315                                                 g.drawString(message, (float) point_double.x + x, (float) point_double.y + y);
 316                                         }
 317                                 }
 318                         }
 319                 }
 320         }
 321
 322         public static final Color stateColors[] = {
 323                 Color.WHITE,  // startup
 324                 Color.WHITE,  // idle
 325                 Color.WHITE,  // pad
 326                 Color.RED,    // boost
 327                 Color.PINK,   // fast
 328                 Color.YELLOW, // coast
 329                 Color.CYAN,   // drogue
 330                 Color.BLUE,   // main
 331                 Color.BLACK,  // landed
 332                 Color.BLACK,  // invalid
 333                 Color.CYAN,   // stateless
 334         };
 335
 336         /* AltosMapInterface functions */
 337
 338         public AltosMapPath new_path() {
 339                 return new MapPath();
 340         }
 341
 342         public AltosMapLine new_line() {
 343                 return new MapLine();
 344         }
 345
 346         public AltosImage load_image(File file) throws Exception {
 347                 return new AltosUIImage(ImageIO.read(file));
 348         }
 349
 350         public AltosMapMark new_mark(double lat, double lon, int state) {
 351                 return new MapMark(lat, lon, state);
 352         }
 353
 354         public AltosMapTile new_tile(AltosMapTileListener listener, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size) {
 355                 return new MapTile(listener, upper_left, center, zoom, maptype, px_size);
 356         }
 357
 358         public int width() {
 359                 return view.getWidth();
 360         }
 361
 362         public int height() {
 363                 return view.getHeight();
 364         }
 365
 366         public void repaint() {
 367                 view.repaint();
 368         }
 369
 370         public void repaint(AltosRectangle damage) {
 371                 view.repaint(damage);
 372         }
 373
 374         public void set_zoom_label(String label) {
 375                 zoom_label.setText(label);
 376         }
 377
 378         public void debug(String format, Object ... arguments) {
 379                 System.out.printf(format, arguments);
 380         }
 381
 382         /* AltosFlightDisplay interface */
 383
 384         public void set_font() {
 385                 tile_font = AltosUILib.value_font;
 386                 line_font = AltosUILib.status_font;
 387         }
 388
 389         public void font_size_changed(int font_size) {
 390                 set_font();
 391                 repaint();
 392         }
 393
 394         public void units_changed(boolean imperial_units) {
 395                 repaint();
 396         }
 397
 398         JLabel  zoom_label;
 399
 400         public void set_maptype(int type) {
 401                 map.set_maptype(type);
 402                 maptype_combo.setSelectedIndex(type);
 403         }
 404
 405         /* AltosUIMapPreload functions */
 406
 407         public void set_zoom(int zoom) {
 408                 map.set_zoom(zoom);
 409         }
 410
 411         public void add_mark(double lat, double lon, int status) {
 412                 map.add_mark(lat, lon, status);
 413         }
 414
 415         public void clear_marks() {
 416                 map.clear_marks();
 417         }
 418
 419         /* AltosFlightDisplay interface */
 420         public void reset() {
 421                 // nothing
 422         }
 423
 424         public void show(AltosState state, AltosListenerState listener_state) {
 425                 map.show(state, listener_state);
 426         }
 427
 428         public String getName() {
 429                 return "Map";
 430         }
 431
 432         /* AltosGraphUI interface */
 433         public void centre(AltosState state) {
 434                 map.centre(state);
 435         }
 436
 437         /* internal layout bits */
 438         private GridBagLayout layout = new GridBagLayout();
 439
 440         JComboBox<String>       maptype_combo;
 441
 442         MapView view;
 443
 444         public AltosUIMapNew() {
 445
 446                 set_font();
 447
 448                 view = new MapView();
 449
 450                 view.setPreferredSize(new Dimension(500,500));
 451                 view.setVisible(true);
 452                 view.setEnabled(true);
 453
 454                 GridBagLayout   my_layout = new GridBagLayout();
 455
 456                 setLayout(my_layout);
 457
 458                 GridBagConstraints c = new GridBagConstraints();
 459                 c.anchor = GridBagConstraints.CENTER;
 460                 c.fill = GridBagConstraints.BOTH;
 461                 c.gridx = 0;
 462                 c.gridy = 0;
 463                 c.gridwidth = 1;
 464                 c.gridheight = 10;
 465                 c.weightx = 1;
 466                 c.weighty = 1;
 467                 add(view, c);
 468
 469                 int     y = 0;
 470
 471                 zoom_label = new JLabel("", JLabel.CENTER);
 472
 473                 c = new GridBagConstraints();
 474                 c.anchor = GridBagConstraints.CENTER;
 475                 c.fill = GridBagConstraints.HORIZONTAL;
 476                 c.gridx = 1;
 477                 c.gridy = y++;
 478                 c.weightx = 0;
 479                 c.weighty = 0;
 480                 add(zoom_label, c);
 481
 482                 JButton zoom_reset = new JButton("0");
 483                 zoom_reset.addActionListener(new ActionListener() {
 484                                 public void actionPerformed(ActionEvent e) {
 485                                         map.set_zoom(map.default_zoom);
 486                                 }
 487                         });
 488
 489                 c = new GridBagConstraints();
 490                 c.anchor = GridBagConstraints.CENTER;
 491                 c.fill = GridBagConstraints.HORIZONTAL;
 492                 c.gridx = 1;
 493                 c.gridy = y++;
 494                 c.weightx = 0;
 495                 c.weighty = 0;
 496                 add(zoom_reset, c);
 497
 498                 JButton zoom_in = new JButton("+");
 499                 zoom_in.addActionListener(new ActionListener() {
 500                                 public void actionPerformed(ActionEvent e) {
 501                                         map.set_zoom(map.get_zoom() + 1);
 502                                 }
 503                         });
 504
 505                 c = new GridBagConstraints();
 506                 c.anchor = GridBagConstraints.CENTER;
 507                 c.fill = GridBagConstraints.HORIZONTAL;
 508                 c.gridx = 1;
 509                 c.gridy = y++;
 510                 c.weightx = 0;
 511                 c.weighty = 0;
 512                 add(zoom_in, c);
 513
 514                 JButton zoom_out = new JButton("-");
 515                 zoom_out.addActionListener(new ActionListener() {
 516                                 public void actionPerformed(ActionEvent e) {
 517                                         map.set_zoom(map.get_zoom() - 1);
 518                                 }
 519                         });
 520                 c = new GridBagConstraints();
 521                 c.anchor = GridBagConstraints.CENTER;
 522                 c.fill = GridBagConstraints.HORIZONTAL;
 523                 c.gridx = 1;
 524                 c.gridy = y++;
 525                 c.weightx = 0;
 526                 c.weighty = 0;
 527                 add(zoom_out, c);
 528
 529                 maptype_combo = new JComboBox<String>(map.maptype_labels);
 530
 531                 maptype_combo.setEditable(false);
 532                 maptype_combo.setMaximumRowCount(maptype_combo.getItemCount());
 533                 maptype_combo.addItemListener(new ItemListener() {
 534                                 public void itemStateChanged(ItemEvent e) {
 535                                         map.set_maptype(maptype_combo.getSelectedIndex());
 536                                 }
 537                         });
 538
 539                 c = new GridBagConstraints();
 540                 c.anchor = GridBagConstraints.CENTER;
 541                 c.fill = GridBagConstraints.HORIZONTAL;
 542                 c.gridx = 1;
 543                 c.gridy = y++;
 544                 c.weightx = 0;
 545                 c.weighty = 0;
 546                 add(maptype_combo, c);
 547
 548                 map = new AltosMap(this);
 549         }
 550 }