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JXMapViewer JavaFX implementation

There is a newer version: 1.4.4

/**
 * 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.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;

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

import eu.limetri.client.mapviewer.data.cache.OfflineTile;
import eu.limetri.client.mapviewer.data.cache.OfflineTileFactory;

/**
 * JavaFX implementation of {@link OfflineTile}
 * 
 * @author Frantisek Post
 */
public class OfflineTileFX extends OfflineTile {

	private static WritableImage image;
	
	static {
		image = new WritableImage(256, 256);

		// TODO ugly and slow, but its done only once and for now I didn't find any other way
		BufferedImage offlineImage = new BufferedImage(TILE_SIZE, TILE_SIZE, BufferedImage.TYPE_INT_RGB);
		Graphics2D graphics = offlineImage.createGraphics();
		graphics.setColor(new Color(240, 240, 240));
		graphics.fillRect(0, 0, TILE_SIZE, TILE_SIZE);
		graphics.setColor(Color.BLACK);
		String message = "no data"; //TODO i18n
		int textWidth = graphics.getFontMetrics().stringWidth(message);
		int textHeight = graphics.getFontMetrics().getHeight();
		graphics.drawString(message, (TILE_SIZE - textWidth) / 2, (TILE_SIZE - textHeight) / 2);

		image = SwingFXUtils.toFXImage(offlineImage, image);
	}
	
	/**
	 * Constructor
	 * 
	 * @param x - x coordinate
	 * @param y - y coordinate
	 * @param zoom - zoom level
	 * @param url - url of tile
	 * @param tileFactory - tileFactory
	 */
	public OfflineTileFX(int x, int y, int zoom, String url, OfflineTileFactory tileFactory) {
		super(x, y, zoom, url, tileFactory);
	}

	@Override
	protected Image createOfflineImageImpl() {
		return image;
	}

	
}