1 files changed, 114 insertions, 0 deletions
diff --git a/altoslib/AltosMapTile.java b/altoslib/AltosMapTile.java
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+++ b/altoslib/AltosMapTile.java
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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 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 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());
+	}
+}