diff options
| -rw-r--r-- | altosui/AltosSiteMap.java | 16 | ||||
| -rw-r--r-- | altosui/AltosSiteMapCache.java | 10 |
2 files changed, 21 insertions, 5 deletions
diff --git a/altosui/AltosSiteMap.java b/altosui/AltosSiteMap.java index 5bf02e54..23085f3e 100644 --- a/altosui/AltosSiteMap.java +++ b/altosui/AltosSiteMap.java @@ -220,6 +220,16 @@ public class AltosSiteMap extends JScrollPane implements AltosFlightDisplay { return pngfile.toString(); } + public void initAndFinishMapAsync (final AltosSiteMapTile tile, final Point offset) { + Thread thread = new Thread() { + public void run() { + initMap(offset); + finishTileLater(tile, offset); + } + }; + thread.start(); + } + public void setBaseLocation(double lat, double lng) { for (Point k : mapTiles.keySet()) { AltosSiteMapTile tile = mapTiles.get(k); @@ -308,8 +318,7 @@ public class AltosSiteMap extends JScrollPane implements AltosFlightDisplay { AltosSiteMapTile tile = createTile(offset); tile.show(state, listener_state, lref, ref); - initMap(offset); - finishTileLater(tile, offset); + initAndFinishMapAsync(tile, offset); } scrollRocketToVisible(pt); @@ -370,8 +379,7 @@ public class AltosSiteMap extends JScrollPane implements AltosFlightDisplay { if (mapTiles.containsKey(offset)) continue; AltosSiteMapTile tile = createTile(offset); - initMap(offset); - finishTileLater(tile, offset); + initAndFinishMapAsync(tile, offset); } } } diff --git a/altosui/AltosSiteMapCache.java b/altosui/AltosSiteMapCache.java index 617ed4a9..40c8ff6b 100644 --- a/altosui/AltosSiteMapCache.java +++ b/altosui/AltosSiteMapCache.java @@ -19,6 +19,7 @@ package altosui; import javax.swing.*; import javax.imageio.ImageIO; +import java.awt.image.*; import java.io.*; import java.net.URL; import java.net.URLConnection; @@ -87,7 +88,14 @@ public class AltosSiteMapCache extends JLabel { } try { - return new ImageIcon(ImageIO.read(pngfile)); + BufferedImage img; + + img = ImageIO.read(pngfile); + if (img == null) { + System.out.printf("# Can't read pngfile %s\n", pngfile); + return null; + } + return new ImageIcon(img); } catch (IOException e) { System.out.printf("# IO error trying to load %s\n", pngfile); return null; |