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/*
* Copyright © 2010 Anthony Towns <aj@erisian.com.au>
*
* 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.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package org.altusmetrum.altoslib_6;
import java.io.*;
import java.util.*;
public abstract class AltosMapTile implements AltosFontListener {
AltosMapTileListener listener;
AltosLatLon upper_left, center;
int px_size;
int zoom;
int maptype;
AltosMapStore store;
AltosMapCache cache;
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;
private File map_file() {
double lat = center.lat;
double lon = center.lon;
char chlat = lat < 0 ? 'S' : 'N';
char chlon = lon < 0 ? 'W' : 'E';
if (lat < 0) lat = -lat;
if (lon < 0) lon = -lon;
String maptype_string = String.format("%s-", AltosMap.maptype_names[maptype]);
String format_string;
if (maptype == AltosMap.maptype_hybrid || maptype == AltosMap.maptype_satellite || maptype == AltosMap.maptype_terrain)
format_string = "jpg";
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));
}
private String map_url() {
String format_string;
if (maptype == AltosMap.maptype_hybrid || maptype == AltosMap.maptype_satellite || maptype == AltosMap.maptype_terrain)
format_string = "jpg";
else
format_string = "png32";
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);
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);
}
public void font_size_changed(int font_size) {
}
public void set_status(int status) {
this.status = status;
listener.notify_tile(this, status);
}
public void notify_image(AltosImage image) {
listener.notify_tile(this, status);
}
public int store_status() {
return store.status();
}
public void add_store_listener(AltosMapStoreListener listener) {
store.add_listener(listener);
}
public void remove_store_listener(AltosMapStoreListener listener) {
store.remove_listener(listener);
}
public abstract void paint(AltosMapTransform t);
public AltosMapTile(AltosMapTileListener listener, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size) {
this.listener = listener;
this.upper_left = upper_left;
while (center.lon < -180.0)
center.lon += 360.0;
while (center.lon > 180.0)
center.lon -= 360.0;
this.center = center;
this.zoom = zoom;
this.maptype = maptype;
this.px_size = px_size;
status = AltosMapTile.loading;
store = AltosMapStore.get(map_url(), map_file());
}
}
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