From a8458ff4b33d8deb7e09a39b8ce5576880f6a862 Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Fri, 26 Aug 2005 12:42:52 +0000
Subject: [PATCH] resizeAgain flag set if user resizes whilst image is being
 prepared

---
 src/jalview/gui/OverviewPanel.java |   18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/jalview/gui/OverviewPanel.java b/src/jalview/gui/OverviewPanel.java
index 62f8ca9..6c968a2 100755
--- a/src/jalview/gui/OverviewPanel.java
+++ b/src/jalview/gui/OverviewPanel.java
@@ -198,6 +198,7 @@ public class OverviewPanel extends JPanel implements Runnable
     {
         if (resizing)
         {
+            resizeAgain = true;
             return;
         }
 
@@ -208,6 +209,10 @@ public class OverviewPanel extends JPanel implements Runnable
         repaint();
     }
 
+    // This is set true if the user resizes whilst
+    // the overview is being calculated
+    boolean resizeAgain = false;
+
     /**
      * DOCUMENT ME!
      */
@@ -265,6 +270,9 @@ public class OverviewPanel extends JPanel implements Runnable
             for (int sRes = 0, chunkx = 0; sRes < alwidth;
                     sRes += maxSize, chunkx++)
             {
+                if(resizeAgain)
+                  break;
+
                 eSeq = 0;
                 eRes += maxSize;
 
@@ -303,7 +311,7 @@ public class OverviewPanel extends JPanel implements Runnable
 
                     mg.drawImage(block, blockx, blocky, blockx + blockw,
                         blocky + blockh, 0, 0, block.getWidth(),
-                        block.getHeight(), this);
+                        block.getHeight(), null);
 
                     block = null;
                 }
@@ -315,10 +323,18 @@ public class OverviewPanel extends JPanel implements Runnable
                 "Out of memory when trying to calculate the overview window image!");
         }
 
+        System.gc();
+
         av.setRenderGaps(oldRenderGaps);
         resizing = false;
 
         setBoxPosition();
+
+        if(resizeAgain)
+        {
+          resizeAgain = false;
+          updateOverviewImage();
+        }
     }
 
     /**
-- 
1.7.10.2