--- /dev/null
+/*
+ * 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;
+ }
+}
+