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/*
* Copyright © 2014 Keith Packard <keithp@keithp.com>
*
* 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; version 2 of the License.
*
* 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, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package org.altusmetrum.altosuilib_2;
import java.awt.*;
import java.awt.image.*;
import javax.imageio.ImageIO;
import javax.swing.*;
import java.io.*;
import org.altusmetrum.altoslib_4.*;
public class AltosSiteMapImage {
AltosSiteMapTile tile;
File file;
BufferedImage image;
int width;
int height;
long used;
Thread load_thread;
public boolean validate() {
if (image != null) {
AltosSiteMap.debug_component(tile, "valid");
return true;
} else {
AltosSiteMap.debug_component(tile, "loading");
load_thread = new Thread() {
public void run() {
image = null;
try {
image = ImageIO.read(file);
} catch (Exception e) {
}
SwingUtilities.invokeLater( new Runnable() {
public void run() {
AltosSiteMap.debug_component(tile, "later");
Graphics2D g2d = (Graphics2D) tile.getGraphics();
tile.paint_graphics(g2d, image);
load_thread = null;
}
});
}
};
load_thread.start();
return false;
}
}
public void flush() {
if (load_thread == null) {
AltosSiteMap.debug_component(tile, "flush");
image.flush();
image = null;
}
}
public AltosSiteMapImage (AltosSiteMapTile tile, File file, int w, int h) throws IOException {
this.tile = tile;
this.file = file;
width = w;
height = h;
image = null;
used = 0;
}
}
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