altos/lisp: Fix uninitialized values in ao_lisp_make_const
[fw/altos] / altoslib / AltosMap.java
index b42f9f851ef02beb2586008bbf020fcc662a4932..e3c4a6a79ec54db6223c62fd4690899a74855d14 100644 (file)
@@ -3,7 +3,8 @@
  *
  * 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.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  */
 
-package org.altusmetrum.altoslib_6;
+package org.altusmetrum.altoslib_11;
 
 import java.io.*;
 import java.lang.*;
 import java.util.*;
 import java.util.concurrent.*;
 
-public class AltosMap implements AltosFlightDisplay, AltosMapTileListener, AltosMapStoreListener {
+public class AltosMap implements AltosMapTileListener, AltosMapStoreListener {
 
-       static final int px_size = 512;
+       public static final int px_size = 512;
 
-       static final int maptype_hybrid = 0;
-       static final int maptype_roadmap = 1;
-       static final int maptype_satellite = 2;
-       static final int maptype_terrain = 3;
-       static final int maptype_default = maptype_hybrid;
+       public static final int maptype_hybrid = 0;
+       public static final int maptype_roadmap = 1;
+       public static final int maptype_satellite = 2;
+       public static final int maptype_terrain = 3;
+       public static final int maptype_default = maptype_hybrid;
 
-       static final int default_zoom = 15;
-       static final int min_zoom = 3;
-       static final int max_zoom = 21;
+       public static final int default_zoom = 15;
+       public static final int min_zoom = 3;
+       public static final int max_zoom = 21;
 
-       static final String[] maptype_names = {
+       public static final String[] maptype_names = {
                "hybrid",
                "roadmap",
                "satellite",
@@ -51,21 +52,17 @@ public class AltosMap implements AltosFlightDisplay, AltosMapTileListener, Altos
        };
 
        AltosMapInterface       map_interface;
+       int                     scale;
 
        AltosMapCache           cache;
 
-       LinkedList<AltosMapMark> marks = new LinkedList<AltosMapMark>();
-
-       LinkedList<AltosMapZoomListener> zoom_listeners = new LinkedList<AltosMapZoomListener>();
+       public AltosMapCache cache() { return cache; }
 
-       public void add_zoom_listener(AltosMapZoomListener listener) {
-               if (!zoom_listeners.contains(listener))
-                       zoom_listeners.add(listener);
-       }
+       LinkedList<AltosMapMark> marks = new LinkedList<AltosMapMark>();
 
-       public void remove_zoom_listener(AltosMapZoomListener listener) {
-               zoom_listeners.remove(listener);
-       }
+       AltosMapPath            path;
+       AltosMapLine            line;
+       public AltosLatLon      last_position;
 
        boolean         have_boost = false;
        boolean         have_landed = false;
@@ -84,7 +81,7 @@ public class AltosMap implements AltosFlightDisplay, AltosMapTileListener, Altos
         */
        static final long auto_scroll_delay = 20 * 1000;
 
-       AltosMapTransform       transform;
+       public AltosMapTransform        transform;
        AltosLatLon             centre;
 
        public void reset() {
@@ -92,16 +89,14 @@ public class AltosMap implements AltosFlightDisplay, AltosMapTileListener, Altos
        }
 
        /* MapInterface wrapping functions */
-       public void set_units() {
-               map_interface.set_units();
-       }
 
-       public void repaint(AltosMapRectangle damage, int pad) {
-               map_interface.repaint(damage, pad);
+       public void repaint(int x, int y, int w, int h) {
+               map_interface.repaint(new AltosRectangle(x, y, w, h));
        }
 
-       public void repaint(double x, double y, double w, double h) {
-               map_interface.repaint(x, y, w, h);
+       public void repaint(AltosMapRectangle damage, int pad) {
+               AltosRectangle r = transform.screen(damage);
+               repaint(r.x - pad, r.y - pad, r.width + pad * 2, r.height + pad * 2);
        }
 
        public void repaint() {
@@ -116,12 +111,16 @@ public class AltosMap implements AltosFlightDisplay, AltosMapTileListener, Altos
                return map_interface.height();
        }
 
-       public AltosPointInt floor(AltosPointDouble point) {
+       public void debug(String format, Object ... arguments) {
+               map_interface.debug(format, arguments);
+       }
+
+       static public AltosPointInt floor(AltosPointDouble point) {
                return new AltosPointInt ((int) Math.floor(point.x / AltosMap.px_size) * AltosMap.px_size,
                                              (int) Math.floor(point.y / AltosMap.px_size) * AltosMap.px_size);
        }
 
-       public AltosPointInt ceil(AltosPointDouble point) {
+       static public AltosPointInt ceil(AltosPointDouble point) {
                return new AltosPointInt ((int) Math.ceil(point.x / AltosMap.px_size) * AltosMap.px_size,
                                              (int) Math.ceil(point.y / AltosMap.px_size) * AltosMap.px_size);
        }
@@ -134,6 +133,10 @@ public class AltosMap implements AltosFlightDisplay, AltosMapTileListener, Altos
                return (System.currentTimeMillis() - user_input_time) < auto_scroll_delay;
        }
 
+       public boolean has_centre() {
+               return centre != null;
+       }
+
        public boolean far_from_centre(AltosLatLon lat_lon) {
 
                if (centre == null || transform == null)
@@ -156,35 +159,53 @@ public class AltosMap implements AltosFlightDisplay, AltosMapTileListener, Altos
                return false;
        }
 
-       public void font_size_changed(int font_size) {
-               map_interface.line.font_size_changed(font_size);
-               for (AltosMapTile tile : tiles.values())
-                       tile.font_size_changed(font_size);
-               repaint();
+       public void set_transform() {
+               if (centre != null) {
+                       transform = new AltosMapTransform(width(), height(), zoom, centre);
+                       repaint();
+               }
        }
 
-       public void units_changed(boolean imperial_units) {
+       private void set_zoom_label() {
+               map_interface.set_zoom_label(String.format("Zoom %d", get_zoom() - default_zoom));
        }
 
-       private void set_transform() {
-               transform = new AltosMapTransform(width(), height(), zoom, centre);
-               repaint();
-       }
 
        public boolean set_zoom(int zoom) {
+               notice_user_input();
                if (AltosMap.min_zoom <= zoom && zoom <= AltosMap.max_zoom && zoom != this.zoom) {
                        this.zoom = zoom;
                        tiles.clear();
                        set_transform();
-
-                       for (AltosMapZoomListener listener : zoom_listeners)
-                               listener.zoom_changed(this.zoom);
-
+                       set_zoom_label();
                        return true;
                }
                return false;
        }
 
+       public boolean set_zoom_centre(int zoom, AltosPointInt centre) {
+               AltosLatLon     mouse_lat_lon = null;
+               boolean         ret;
+
+               if (transform != null)
+                       mouse_lat_lon = transform.screen_lat_lon(centre);
+
+               ret = set_zoom(zoom);
+
+               if (ret && mouse_lat_lon != null) {
+                       AltosPointDouble        new_mouse = transform.screen(mouse_lat_lon);
+
+                       double  dx = width()/2.0 - centre.x;
+                       double  dy = height()/2.0 - centre.y;
+
+                       AltosLatLon     new_centre = transform.screen_lat_lon(new AltosPointDouble(new_mouse.x + dx, new_mouse.y + dy));
+
+                       centre(new_centre);
+               }
+
+               return ret;
+       }
+
        public int get_zoom() {
                return zoom;
        }
@@ -211,25 +232,30 @@ public class AltosMap implements AltosFlightDisplay, AltosMapTileListener, Altos
                if (!gps.locked && gps.nsat < 4)
                        return;
 
-               AltosMapRectangle       damage = map_interface.path.add(gps.lat, gps.lon, state.state);
-
-               switch (state.state) {
+               switch (state.state()) {
                case AltosLib.ao_flight_boost:
                        if (!have_boost) {
-                               add_mark(gps.lat, gps.lon, state.state);
+                               add_mark(gps.lat, gps.lon, state.state());
                                have_boost = true;
                        }
                        break;
                case AltosLib.ao_flight_landed:
                        if (!have_landed) {
-                               add_mark(gps.lat, gps.lon, state.state);
+                               add_mark(gps.lat, gps.lon, state.state());
                                have_landed = true;
                        }
                        break;
                }
 
-               if (damage != null)
-                       repaint(damage, AltosMapPath.stroke_width);
+               if (path != null) {
+                       AltosMapRectangle       damage = path.add(gps.lat, gps.lon, state.state());
+
+                       if (damage != null)
+                               repaint(damage, AltosMapPath.stroke_width);
+               }
+
+               last_position = new AltosLatLon(gps.lat, gps.lon);
+
                maybe_centre(gps.lat, gps.lon);
        }
 
@@ -256,7 +282,9 @@ public class AltosMap implements AltosFlightDisplay, AltosMapTileListener, Altos
 
        public void add_mark(double lat, double lon, int state) {
                synchronized(marks) {
-                       marks.add(map_interface.new_mark(lat, lon, state));
+                       AltosMapMark mark = map_interface.new_mark(lat, lon, state);
+                       if (mark != null)
+                               marks.add(mark);
                }
                repaint();
        }
@@ -279,48 +307,48 @@ public class AltosMap implements AltosFlightDisplay, AltosMapTileListener, Altos
                        lower_right = new AltosPointInt(centre.x + load_radius * AltosMap.px_size,
                                                                centre.y + load_radius * AltosMap.px_size);
                } else {
-                       upper_left = floor(transform.screen_point(new AltosPointDouble(0.0, 0.0)));
-                       lower_right = floor(transform.screen_point(new AltosPointDouble(width(), height())));
+                       upper_left = floor(transform.screen_point(new AltosPointInt(0, 0)));
+                       lower_right = floor(transform.screen_point(new AltosPointInt(width(), height())));
                }
-               LinkedList<AltosPointInt> to_remove = new LinkedList<AltosPointInt>();
 
-               for (AltosPointInt point : tiles.keySet()) {
+               Enumeration<AltosPointInt> keyEnumeration = tiles.keys();
+
+               while (keyEnumeration.hasMoreElements()) {
+                       AltosPointInt point = keyEnumeration.nextElement();
                        if (point.x < upper_left.x || lower_right.x < point.x ||
                            point.y < upper_left.y || lower_right.y < point.y) {
-                               to_remove.add(point);
+                               tiles.remove(point);
                        }
                }
 
-               for (AltosPointInt point : to_remove)
-                       tiles.remove(point);
-
                cache.set_cache_size((width() / AltosMap.px_size + 2) * (height() / AltosMap.px_size + 2));
+
                for (int y = (int) upper_left.y; y <= lower_right.y; y += AltosMap.px_size) {
                        for (int x = (int) upper_left.x; x <= lower_right.x; x += AltosMap.px_size) {
-                               AltosPointInt point = new AltosPointInt(x, y);
+                               AltosPointInt   point = new AltosPointInt(x, y);
 
                                if (!tiles.containsKey(point)) {
-                                       AltosLatLon     ul = transform.lat_lon(new AltosPointDouble(x, y));
+                                       AltosLatLon     ul = transform.lat_lon(point);
                                        AltosLatLon     center = transform.lat_lon(new AltosPointDouble(x + AltosMap.px_size/2, y + AltosMap.px_size/2));
-                                       AltosMapTile tile = new AltosMapTile(this, ul, center, zoom, maptype,
-                                                                            AltosMap.px_size);
+                                       AltosMapTile tile = map_interface.new_tile(cache, ul, center, zoom, maptype, px_size, scale);
+                                       debug("show state %s url %s\n", AltosMapTile.status_name(tile.store.status()), tile.store.url);
+                                       tile.add_listener(this);
                                        tiles.put(point, tile);
                                }
                        }
                }
        }
 
-       public void set_load_params(double lat, double lon, int radius, AltosMapTileListener listener) {
+       public void set_load_params(int new_zoom, int new_type, double lat, double lon, int radius, AltosMapTileListener listener) {
+               if (AltosMap.min_zoom <= new_zoom && new_zoom <= AltosMap.max_zoom)
+                       zoom = new_zoom;
+               maptype = new_type;
                load_centre = new AltosLatLon(lat, lon);
                load_radius = radius;
                load_listener = listener;
                centre(lat, lon);
+               tiles.clear();
                make_tiles();
-               for (AltosMapTile tile : tiles.values()) {
-                       tile.add_store_listener(this);
-                       if (tile.store_status() != AltosMapTile.loading)
-                               listener.notify_tile(tile, tile.store_status());
-               }
                repaint();
        }
 
@@ -328,9 +356,34 @@ public class AltosMap implements AltosFlightDisplay, AltosMapTileListener, Altos
                return "Map";
        }
 
+       public void paint() {
+               if (centre != null)
+                       make_tiles();
+
+               if (transform == null)
+                       return;
+
+               for (AltosMapTile tile : tiles.values())
+                       tile.paint(transform);
+
+               synchronized(marks) {
+                       for (AltosMapMark mark : marks)
+                               mark.paint(transform);
+               }
+
+               if (path != null)
+                       path.paint(transform);
+
+               if (line != null)
+                       line.paint(transform);
+       }
+
        /* AltosMapTileListener methods */
        public synchronized void notify_tile(AltosMapTile tile, int status) {
-               for (AltosPointInt point : tiles.keySet()) {
+               Enumeration<AltosPointInt> keyEnumeration = tiles.keys();
+
+               while (keyEnumeration.hasMoreElements()) {
+                       AltosPointInt point = keyEnumeration.nextElement();
                        if (tile == tiles.get(point)) {
                                AltosPointInt   screen = transform.screen(point);
                                repaint(screen.x, screen.y, AltosMap.px_size, AltosMap.px_size);
@@ -347,9 +400,94 @@ public class AltosMap implements AltosFlightDisplay, AltosMapTileListener, Altos
                }
        }
 
-       public AltosMap(AltosMapInterface map_interface) {
+       /* UI elements */
+
+       AltosPointInt   drag_start;
+
+       boolean         dragged;
+
+       static final double drag_far = 20;
+
+       private void drag(int x, int y) {
+               if (drag_start == null)
+                       return;
+
+               int dx = x - drag_start.x;
+               int dy = y - drag_start.y;
+
+               double distance = Math.hypot(dx, dy);
+
+               if (distance > drag_far)
+                       dragged = true;
+
+               if (transform == null)
+                       return;
+
+               AltosLatLon new_centre = transform.screen_lat_lon(new AltosPointInt(width() / 2 - dx, height() / 2 - dy));
+               centre(new_centre);
+               drag_start = new AltosPointInt(x, y);
+       }
+
+       private void drag_start(int x, int y) {
+               drag_start = new AltosPointInt(x, y);
+               dragged = false;
+       }
+
+       private void drag_stop(int x, int y) {
+               if (!dragged) {
+                       if (transform == null) {
+                               return;
+                       }
+                       map_interface.select_object (transform.screen_lat_lon(new AltosPointInt(x,y)));
+               }
+       }
+
+       private void line_start(int x, int y) {
+               if (line != null && transform != null) {
+                       line.pressed(new AltosPointInt(x, y), transform);
+                       repaint();
+               }
+       }
+
+       private void line(int x, int y) {
+               if (line != null && transform != null) {
+                       line.dragged(new AltosPointInt(x, y), transform);
+                       repaint();
+               }
+       }
+
+       public void touch_start(int x, int y, boolean is_drag) {
+               notice_user_input();
+               if (is_drag)
+                       drag_start(x, y);
+               else
+                       line_start(x, y);
+       }
+
+       public void touch_continue(int x, int y, boolean is_drag) {
+               notice_user_input();
+               if (is_drag)
+                       drag(x, y);
+               else
+                       line(x, y);
+       }
+
+       public void touch_stop(int x, int y, boolean is_drag) {
+               notice_user_input();
+               if (is_drag)
+                       drag_stop(x, y);
+       }
+
+       public AltosMap(AltosMapInterface map_interface, int scale) {
                this.map_interface = map_interface;
+               this.scale = scale;
                cache = new AltosMapCache(map_interface);
-               centre(0, 0);
+               line = map_interface.new_line();
+               path = map_interface.new_path();
+               set_zoom_label();
+       }
+
+       public AltosMap(AltosMapInterface map_interface) {
+               this(map_interface, 1);
        }
 }