Index: trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ThumbsLoader.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ThumbsLoader.java	(revision 2593)
+++ trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ThumbsLoader.java	(revision 2593)
@@ -0,0 +1,73 @@
+// License: GPL. See LICENSE file for details.
+
+package org.openstreetmap.josm.gui.layer.geoimage;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.MediaTracker;
+import java.awt.Graphics2D;
+import java.awt.Image;
+import java.awt.Toolkit;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.util.List;
+
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.gui.layer.geoimage.GeoImageLayer.ImageEntry;
+
+public class ThumbsLoader implements Runnable {
+        List<ImageEntry> data;
+        public ThumbsLoader(List<ImageEntry> data) {
+            this.data = data;
+        }
+
+        public void run() {
+            System.err.println("Load Thumbnails");
+            MediaTracker tracker = new MediaTracker(Main.map.mapView);
+            for (int i = 0; i < data.size(); i++) {
+                System.err.println("getImg "+i);
+                String path;
+                path = data.get(i).file.getPath();
+                Image img = Toolkit.getDefaultToolkit().createImage(path);
+                tracker.addImage(img, 0);
+                try {
+                    tracker.waitForID(0);
+                } catch (InterruptedException e) {
+                    System.err.println("InterruptedException");
+                    return; //  FIXME
+                }
+                BufferedImage scaledBI = new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);
+                Graphics2D g = scaledBI.createGraphics();
+                while (!g.drawImage(img, 0, 0, 16, 16, null))
+                {
+                    try {
+                        Thread.sleep(10);
+                    } catch(InterruptedException ie) {}
+                }
+                g.dispose();
+                tracker.removeImage(img);
+
+                data.get(i).thumbnail = scaledBI;
+                if (Main.map != null && Main.map.mapView != null) {
+                    Main.map.mapView.repaint();
+                }
+            }
+            (new Thread() {
+                public void run() {
+                    try {
+                        Thread.sleep(200);
+                    }
+                    catch (InterruptedException ie) {}
+                    System.gc();
+                }
+            }).start();
+
+//                boolean error = tracker.isErrorID(1);
+//                if (img != null && (img.getWidth(null) == 0 || img.getHeight(null) == 0)) {
+//                    error = true;
+//                }
+
+
+        }
+
+    }