From 0a2de5e40c8a65c535374f965e0f568b2f41fc17 Mon Sep 17 00:00:00 2001
From: kiramt <k.mourao@dundee.ac.uk>
Date: Wed, 22 Mar 2017 10:29:16 +0000
Subject: [PATCH] JAL-2388 Minor changes to thread flags

---
 src/jalview/gui/OverviewCanvas.java |   18 +++++++++---------
 src/jalview/gui/OverviewPanel.java  |    6 +++---
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/jalview/gui/OverviewCanvas.java b/src/jalview/gui/OverviewCanvas.java
index ba5881e..7d42e5e 100644
--- a/src/jalview/gui/OverviewCanvas.java
+++ b/src/jalview/gui/OverviewCanvas.java
@@ -20,11 +20,11 @@ public class OverviewCanvas extends JComponent
 
   private BufferedImage lastMiniMe = null;
 
-  public boolean resizing = false;
+  public boolean updating = false;
 
   // This is set true if the user resizes whilst
   // the overview is being calculated
-  public boolean resizeAgain = false;
+  public volatile boolean updateAgain = false;
 
   // Can set different properties in this seqCanvas than
   // main visible SeqCanvas
@@ -95,7 +95,7 @@ public class OverviewCanvas extends JComponent
     if (showAnnotation)
     {
       renderer.updateFromAlignViewport(av);
-      for (int col = 0; col < od.getWidth() && !resizeAgain; col++)
+      for (int col = 0; col < od.getWidth() && !updateAgain; col++)
       {
         mg.translate(col, od.getSequencesHeight());
         renderer.drawGraph(mg, av.getAlignmentConservationAnnotation(),
@@ -108,11 +108,11 @@ public class OverviewCanvas extends JComponent
     }
     System.gc();
 
-    resizing = false;
+    updating = false;
 
-    if (resizeAgain)
+    if (updateAgain)
     {
-      resizeAgain = false;
+      updateAgain = false;
       op.updateOverviewImage();
     }
     else
@@ -124,7 +124,7 @@ public class OverviewCanvas extends JComponent
   @Override
   public void paintComponent(Graphics g)
   {
-    if (resizing || resizeAgain)
+    if (updating || updateAgain)
     {
       if (lastMiniMe == null)
       {
@@ -168,7 +168,7 @@ public class OverviewCanvas extends JComponent
     // get hidden row and hidden column map once at beginning.
     // clone featureRenderer settings to avoid race conditions... if state is
     // updated just need to refresh again
-    for (int row = 0; row < od.getSequencesHeight() && !resizeAgain; row++)
+    for (int row = 0; row < od.getSequencesHeight() && !updateAgain; row++)
     {
       boolean doCopy = true;
       int currentrow = (int) (row * sampleRow);
@@ -184,7 +184,7 @@ public class OverviewCanvas extends JComponent
         seq = av.getAlignment().getSequenceAtAbsoluteIndex(lastrow);
       }
 
-      for (int col = 0; col < od.getWidth() && !resizeAgain; col++)
+      for (int col = 0; col < od.getWidth() && !updateAgain; col++)
       {
         if (doCopy)
         {
diff --git a/src/jalview/gui/OverviewPanel.java b/src/jalview/gui/OverviewPanel.java
index 01ca978..f9f3e4c 100755
--- a/src/jalview/gui/OverviewPanel.java
+++ b/src/jalview/gui/OverviewPanel.java
@@ -117,13 +117,13 @@ public class OverviewPanel extends JPanel implements Runnable
    */
   public void updateOverviewImage()
   {
-    if (oviewCanvas.resizing)
+    if (oviewCanvas.updating)
     {
-      oviewCanvas.resizeAgain = true;
+      oviewCanvas.updateAgain = true;
       return;
     }
 
-    oviewCanvas.resizing = true;
+    oviewCanvas.updating = true;
 
     if ((getWidth() > 0) && (getHeight() > 0))
     {
-- 
1.7.10.2