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JXMapViewer JavaFX implementation
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/**
 * Copyright (C) 2008-2012 AgroSense Foundation.
 *
 * AgroSense 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 3 of the License, or
 * (at your option) any later version.
 *
 * There are special exceptions to the terms and conditions of the GPLv3 as it is applied to
 * this software, see the FLOSS License Exception
 * .
 *
 * AgroSense 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 AgroSense.  If not, see .
 */
package eu.limetri.client.mapviewer.fx.impl;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.logging.Level;
import java.util.logging.Logger;

import javafx.embed.swing.SwingFXUtils;
import javafx.scene.image.Image;

import javax.imageio.ImageIO;

import org.openide.filesystems.FileObject;

import eu.limetri.client.mapviewer.data.cache.TileCacheInfo;
import eu.limetri.client.mapviewer.data.cache.spi.AbstractTileService;

/**
 * JavaFX implementation of {@link AbstractTileService}
 * 
 * @author Frantisek Post
 */
public class DefaultTileServiceFX extends AbstractTileService implements TileServiceFX, WritableTileServiceFX {

	private static final Logger LOG = Logger.getLogger(DefaultTileServiceFX.class.getName());
	
	@Override
	public Image readImage(TileCacheInfo tileCacheInfo) {
		 Image image = null;
	      FileObject tileFile = getTileFile(tileCacheInfo, false);
	      if (tileFile != null) {
	          try (InputStream stream = tileFile.getInputStream()) {
	              image = new Image(stream);
	              readCallback(tileFile);
	          } catch (IOException ex) {
	        	  ex.printStackTrace();
	              LOG.log(Level.FINE, "Error reading tile image from file ", ex);
	          }
	      }
	      return image;
	}

	@Override
	public void writeImage(TileCacheInfo tileCacheInfo, Image image) {
		FileObject tileFile = getTileFile(tileCacheInfo, true);
		BufferedImage bufferedImage = SwingFXUtils.fromFXImage(image, null);
		
	      if (tileFile != null) {
	          try (OutputStream stream = tileFile.getOutputStream()) {
	        	  ImageIO.write(bufferedImage, "png", stream);
	              writeCallback();
	          } catch (IOException ex) {
	          	ex.printStackTrace();
	              LOG.log(Level.FINE, "Problem writing tile image to file", ex);
	          }
	      } else {
	          LOG.fine("Failed to write image for tile");
	      }
	}

}