/**
* osm
* Copyright 2008 by Michael Peter Christen
* First released 13.02.2011 at http://yacy.net
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program in the file lgpl21.txt
* If not, see <http://www.gnu.org/licenses/>.
*/
import net.yacy.cora.protocol.HeaderFramework;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.peers.graphics.EncodedImage;
import net.yacy.peers.graphics.OSMTile;
import net.yacy.server.serverObjects;
import net.yacy.server.serverSwitch;
import net.yacy.visualization.PrintTool;
import net.yacy.visualization.RasterPlotter;
import net.yacy.visualization.RasterPlotter.DrawMode;
public class osm {
public static EncodedImage respond(final RequestHeader header, final serverObjects post, @SuppressWarnings("unused") final serverSwitch env) {
int zoom = 10;
double lat = 50.11670d;
double lon = 8.68333d;
int width = 3;
int height = 3;
if (post != null) {
zoom = post.getInt("zoom", zoom);
lat = post.getDouble("lat", lat);
lon = post.getDouble("lon", lon);
width = post.getInt("width", width);
height = post.getInt("height", height);
}
final OSMTile.tileCoordinates coord = new OSMTile.tileCoordinates(lat, lon, zoom);
RasterPlotter map = OSMTile.getCombinedTiles(coord, width, height);
map.setDrawMode(DrawMode.MODE_SUB);
map.setColor(0xffffff);
/*
* copyright notice on OSM Tiles
* According to http://www.openstreetmap.org/copyright/ the (C) of the map tiles is (CC BY-SA)
* while the OpenStreetMap raw data is licensed with (ODbL) http://opendatacommons.org/licenses/odbl/
* Map tiles shall be underlined with the statement "(C) OpenStreetMap contributors". In our 5-dot character
* set the lowercase letters do not look good, so we use uppercase only.
* The (C) symbol is not available in our font, so we use the letters (C) instead.
*/
PrintTool.print(map, map.getWidth() - 6, map.getHeight() - 6, 0, "(C) OPENSTREETMAP CONTRIBUTORS", 1, 80);
return new EncodedImage(map, header.get(HeaderFramework.CONNECTION_PROP_EXT, null), true);
}
}