/*******************************************************************************
* Copyright (c) MOBAC developers
*
* 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, 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
* 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, see <http://www.gnu.org/licenses/>.
******************************************************************************/
package mobac.program.atlascreators;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.imageio.ImageIO;
import mobac.exceptions.MapCreationException;
import mobac.mapsources.mapspace.MercatorPower2MapSpace;
import mobac.program.annotations.AtlasCreatorName;
import mobac.program.annotations.SupportedParameters;
import mobac.program.atlascreators.impl.MapTileWriter;
import mobac.program.atlascreators.tileprovider.ConvertedRawTileProvider;
import mobac.program.atlascreators.tileprovider.TileProvider;
import mobac.program.interfaces.MapInterface;
import mobac.program.interfaces.MapSource;
import mobac.program.model.TileImageParameters.Name;
import mobac.utilities.Utilities;
/**
* Creates maps identical to the atlas format used by OSMTracker.
*
* Please note that this atlas format ignores the defined atlas structure. It uses a separate directory for each used
* map source and inside one directory for each zoom level.
*/
@AtlasCreatorName("OSMTracker tile storage")
@SupportedParameters(names = { Name.format })
public class OSMTracker extends AtlasCreator {
protected String tileFileNamePattern = "%d/%d/%d.%s";
protected File mapDir = null;
protected String tileType = null;
protected MapTileWriter mapTileWriter = null;
@Override
public boolean testMapSource(MapSource mapSource) {
return MercatorPower2MapSpace.INSTANCE_256.equals(mapSource.getMapSpace());
}
@Override
public void initializeMap(MapInterface map, TileProvider mapTileProvider) {
super.initializeMap(map, mapTileProvider);
mapDir = new File(atlasDir, map.getMapSource().getName());
tileType = mapSource.getTileImageType().getFileExt();
if (parameters != null) {
mapDlTileProvider = new ConvertedRawTileProvider(mapDlTileProvider, parameters.getFormat());
tileType = parameters.getFormat().getFileExt();
}
}
public void createMap() throws MapCreationException, InterruptedException {
// This means there should not be any resizing of the tiles.
if (mapTileWriter == null)
mapTileWriter = new OSMTileWriter();
createTiles();
}
protected void createTiles() throws InterruptedException, MapCreationException {
atlasProgress.initMapCreation((xMax - xMin + 1) * (yMax - yMin + 1));
ImageIO.setUseCache(false);
for (int x = xMin; x <= xMax; x++) {
for (int y = yMin; y <= yMax; y++) {
checkUserAbort();
atlasProgress.incMapCreationProgress();
try {
byte[] sourceTileData = mapDlTileProvider.getTileData(x, y);
if (sourceTileData != null)
mapTileWriter.writeTile(x, y, tileType, sourceTileData);
} catch (IOException e) {
throw new MapCreationException("Error writing tile image: " + e.getMessage(), map, e);
}
}
}
}
protected class OSMTileWriter implements MapTileWriter {
public void writeTile(int tilex, int tiley, String tileType, byte[] tileData) throws IOException {
File file = new File(mapDir, String.format(tileFileNamePattern, zoom, tilex, tiley, tileType));
writeTile(file, tileData);
}
protected void writeTile(File file, byte[] tileData) throws IOException {
Utilities.mkDirs(file.getParentFile());
FileOutputStream out = new FileOutputStream(file);
try {
out.write(tileData);
} finally {
Utilities.closeStream(out);
}
}
public void finalizeMap() throws IOException {
// Nothing to do
}
}
}