/*******************************************************************************
* 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.tileprovider;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.imageio.ImageIO;
import mobac.program.interfaces.TileImageDataWriter;
import mobac.program.model.TileImageFormat;
/**
* Loads a tile from the underlying {@link TileProvider}, loads the tile to memory, converts it to the desired
* {@link TileImageFormat} and returns the binary representation of the image in the specified format.
*/
public class ConvertedRawTileProvider extends FilterTileProvider {
private TileImageDataWriter writer;
public ConvertedRawTileProvider(TileProvider tileProvider, TileImageFormat tileImageFormat) {
super(tileProvider);
writer = tileImageFormat.getDataWriter();
writer.initialize();
ImageIO.setUseCache(false);
}
public byte[] getTileData(int x, int y) throws IOException {
BufferedImage image = getTileImage(x, y);
if (image == null)
return null;
ByteArrayOutputStream buffer = new ByteArrayOutputStream(32000);
writer.processImage(image, buffer);
return buffer.toByteArray();
}
public boolean preferTileImageUsage() {
return true;
}
}