/*******************************************************************************
* 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 mobac.program.interfaces.TileImageDataWriter;
import mobac.program.model.TileImageType;
import mobac.program.tiledatawriter.TileImagePngDataWriter;
import mobac.utilities.Utilities;
/**
* A tile provider for atlas formats that only allow PNG images. Each image processed is checked
*/
public class PngTileProvider extends FilterTileProvider {
final TileImageDataWriter writer;
public PngTileProvider(TileProvider tileProvider) {
super(tileProvider);
writer = new TileImagePngDataWriter();
writer.initialize();
}
@Override
public byte[] getTileData(int x, int y) throws IOException {
if (!tileProvider.preferTileImageUsage()) {
byte[] data = super.getTileData(x, y);
if (Utilities.getImageType(data) == TileImageType.PNG)
return data;
}
ByteArrayOutputStream buffer = new ByteArrayOutputStream(32000);
BufferedImage image = getTileImage(x, y);
if (image == null)
return null;
writer.processImage(image, buffer);
return buffer.toByteArray();
}
public boolean preferTileImageUsage() {
return true;
}
}