/*******************************************************************************
* 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.mapsources.impl;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.imageio.ImageIO;
import mobac.exceptions.UnrecoverableDownloadException;
import mobac.mapsources.mapspace.MercatorPower2MapSpace;
import mobac.program.interfaces.MapSource;
import mobac.program.interfaces.MapSpace;
import mobac.program.model.MapSourceLoaderInfo;
import mobac.program.model.TileImageType;
/**
* A simple {@link MapSource} implementation serving as fall-back if no other map source is available/can be loaded.
*/
public class SimpleMapSource implements MapSource {
public SimpleMapSource() {
}
public Color getBackgroundColor() {
return Color.WHITE;
}
public MapSpace getMapSpace() {
return MercatorPower2MapSpace.INSTANCE_256;
}
public int getMaxZoom() {
return 2;
}
public int getMinZoom() {
return 0;
}
public String getName() {
return "Simple";
}
public byte[] getTileData(int zoom, int x, int y, LoadMethod loadMethod) throws IOException,
UnrecoverableDownloadException, InterruptedException {
ByteArrayOutputStream buf = new ByteArrayOutputStream(16000);
ImageIO.write(getTileImage(zoom, x, y, LoadMethod.DEFAULT), "png", buf);
return buf.toByteArray();
}
public BufferedImage getTileImage(int zoom, int x, int y, LoadMethod loadMethod) throws IOException,
UnrecoverableDownloadException, InterruptedException {
BufferedImage image = new BufferedImage(256, 256, BufferedImage.TYPE_3BYTE_BGR);
Graphics2D g2 = image.createGraphics();
try {
g2.setColor(Color.WHITE);
g2.fillRect(0, 0, 255, 255);
g2.setColor(Color.BLACK);
g2.drawString("No map sources available", 8, 40);
return image;
} finally {
g2.dispose();
}
}
public TileImageType getTileImageType() {
return TileImageType.PNG;
}
public MapSourceLoaderInfo getLoaderInfo() {
return null;
}
public void setLoaderInfo(MapSourceLoaderInfo loaderInfo) {
throw new RuntimeException("LoaderInfo can not be set");
}
@Override
public String toString() {
return "";
}
@Override
public boolean getHiddenDefault() {
return false;
}
}