* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
-package org.altusmetrum.altoslib_6;
+package org.altusmetrum.altoslib_10;
import java.io.*;
import java.util.*;
-public abstract class AltosMapTile implements AltosFontListener {
- AltosMapTileListener listener;
+public abstract class AltosMapTile implements AltosFontListener, AltosMapStoreListener {
+ LinkedList<AltosMapTileListener> listeners = new LinkedList<AltosMapTileListener>();
public AltosLatLon upper_left, center;
public int px_size;
int zoom;
int maptype;
+ int scale;
+ private AltosMapCache cache;
public AltosMapStore store;
- public AltosMapCache cache;
public int status;
- static public final int success = 0;
- static public final int loading = 1;
- static public final int failed = 2;
- static public final int bad_request = 3;
- static public final int forbidden = 4;
+ static public final int loaded = 0; /* loaded from file */
+ static public final int fetched = 1; /* downloaded to file */
+ static public final int fetching = 2; /* downloading from net */
+ static public final int failed = 3; /* loading from file failed */
+ static public final int bad_request = 4;/* downloading failed */
+ static public final int forbidden = 5; /* downloading failed */
private File map_file() {
double lat = center.lat;
else
format_string = "png";
return new File(AltosPreferences.mapdir(),
- String.format("map-%c%.6f,%c%.6f-%s%d.%s",
- chlat, lat, chlon, lon, maptype_string, zoom, format_string));
+ String.format("map-%c%.6f,%c%.6f-%s%d%s.%s",
+ chlat, lat, chlon, lon, maptype_string, zoom, scale == 1 ? "" : String.format("-%d", scale), format_string));
}
private String map_url() {
String format_string;
+ int z = zoom;
+
if (maptype == AltosMap.maptype_hybrid || maptype == AltosMap.maptype_satellite || maptype == AltosMap.maptype_terrain)
format_string = "jpg";
else
format_string = "png32";
+ for (int s = 1; s < scale; s <<= 1)
+ z--;
+
if (AltosVersion.has_google_maps_api_key())
- return String.format("http://maps.google.com/maps/api/staticmap?center=%.6f,%.6f&zoom=%d&size=%dx%d&sensor=false&maptype=%s&format=%s&key=%s",
- center.lat, center.lon, zoom, px_size, px_size, AltosMap.maptype_names[maptype], format_string, AltosVersion.google_maps_api_key);
+ return String.format("http://maps.google.com/maps/api/staticmap?center=%.6f,%.6f&zoom=%d&size=%dx%d&scale=%d&sensor=false&maptype=%s&format=%s&key=%s",
+ center.lat, center.lon, z, px_size/scale, px_size/scale, scale, AltosMap.maptype_names[maptype], format_string, AltosVersion.google_maps_api_key);
else
- return String.format("http://maps.google.com/maps/api/staticmap?center=%.6f,%.6f&zoom=%d&size=%dx%d&sensor=false&maptype=%s&format=%s",
- center.lat, center.lon, zoom, px_size, px_size, AltosMap.maptype_names[maptype], format_string);
+ return String.format("http://maps.google.com/maps/api/staticmap?center=%.6f,%.6f&zoom=%d&size=%dx%d&scale=%d&sensor=false&maptype=%s&format=%s",
+ center.lat, center.lon, z, px_size/scale, px_size/scale, AltosMap.maptype_names[maptype], format_string);
}
public void font_size_changed(int font_size) {
}
- public void set_status(int status) {
+ private synchronized void notify_listeners(int status) {
this.status = status;
- listener.notify_tile(this, status);
+ for (AltosMapTileListener listener : listeners)
+ listener.notify_tile(this, status);
}
- public void notify_image(AltosImage image) {
- listener.notify_tile(this, status);
+ public void notify_store(AltosMapStore store, int status) {
+// System.out.printf("AltosMapTile.notify_store %d\n", status);
+ notify_listeners(status);
}
- public int store_status() {
- return store.status();
+ public void notify_image(AltosImage image) {
+ if (image == null)
+ status = failed;
+ else
+ status = loaded;
+ notify_listeners(status);
}
- public void add_store_listener(AltosMapStoreListener listener) {
- store.add_listener(listener);
+ public abstract void paint(AltosMapTransform t);
+
+ public AltosImage get_image() {
+ if (cache == null)
+ return null;
+ return cache.get(this);
}
- public void remove_store_listener(AltosMapStoreListener listener) {
- store.remove_listener(listener);
+ public synchronized void add_listener(AltosMapTileListener listener) {
+ if (!listeners.contains(listener))
+ listeners.add(listener);
+ listener.notify_tile(this, status);
}
- public abstract void paint(AltosMapTransform t);
+ public synchronized void remove_listener(AltosMapTileListener listener) {
+ listeners.remove(listener);
+ }
- public AltosMapTile(AltosMapTileListener listener, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size) {
- this.listener = listener;
+ public AltosMapTile(AltosMapCache cache, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size, int scale) {
+ this.cache = cache;
this.upper_left = upper_left;
while (center.lon < -180.0)
this.zoom = zoom;
this.maptype = maptype;
this.px_size = px_size;
+ this.scale = scale;
- status = AltosMapTile.loading;
store = AltosMapStore.get(map_url(), map_file());
+ store.add_listener(this);
+ }
+
+ public AltosMapTile(AltosMapCache cache, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size) {
+ this(cache, upper_left, center, zoom, maptype, px_size, 1);
}
}