X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FOverviewPanel.java;h=36a4575e784cf274252c1fdc274561943f99e7e2;hb=51728d3951398f9c12d7017c776953f17322cc68;hp=de0dbe55bac73488d4bd7a12e5fdf9b55f279334;hpb=4d7f98a6dd54d9863ba449ec79dcd95d25ed863d;p=jalview.git

diff --git a/src/jalview/gui/OverviewPanel.java b/src/jalview/gui/OverviewPanel.java
index de0dbe5..36a4575 100755
--- a/src/jalview/gui/OverviewPanel.java
+++ b/src/jalview/gui/OverviewPanel.java
@@ -295,14 +295,25 @@ public class OverviewPanel extends JPanel implements Runnable
     final boolean hasHiddenRows = av.hasHiddenRows(), hasHiddenCols = av
             .hasHiddenColumns();
     boolean hiddenRow = false;
+    // 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 (row = 0; row < sequencesHeight; row++)
     {
+      if (resizeAgain)
+      {
+        break;
+      }
       if ((int) (row * sampleRow) == lastrow)
       {
         // No need to recalculate the colours,
         // Just copy from the row above
         for (col = 0; col < width; col++)
         {
+          if (resizeAgain)
+          {
+            break;
+          }
           miniMe.setRGB(col, row, miniMe.getRGB(col, row - 1));
         }
         continue;
@@ -338,8 +349,13 @@ public class OverviewPanel extends JPanel implements Runnable
         continue;
       }
 
+      // long start = System.currentTimeMillis();
       for (col = 0; col < width; col++)
       {
+        if (resizeAgain)
+        {
+          break;
+        }
         if ((int) (col * sampleCol) == lastcol
                 && (int) (row * sampleRow) == lastrow)
         {
@@ -373,6 +389,8 @@ public class OverviewPanel extends JPanel implements Runnable
         miniMe.setRGB(col, row, color);
 
       }
+      // System.out.println(String.format("Row %d with width %d took %dms",
+      // row, width, System.currentTimeMillis() - start));
     }
 
     if (av.getAlignmentConservationAnnotation() != null)
@@ -380,6 +398,10 @@ public class OverviewPanel extends JPanel implements Runnable
       renderer.updateFromAlignViewport(av);
       for (col = 0; col < width; col++)
       {
+        if (resizeAgain)
+        {
+          break;
+        }
         lastcol = (int) (col * sampleCol);
         {
           mg.translate(col, sequencesHeight);
@@ -395,13 +417,17 @@ public class OverviewPanel extends JPanel implements Runnable
 
     resizing = false;
 
-    setBoxPosition();
-
     if (resizeAgain)
     {
       resizeAgain = false;
       updateOverviewImage();
     }
+    else
+    {
+      lastMiniMe = miniMe;
+    }
+
+    setBoxPosition();
   }
 
   /**
@@ -456,6 +482,8 @@ public class OverviewPanel extends JPanel implements Runnable
     repaint();
   }
 
+  private BufferedImage lastMiniMe = null;
+
   /**
    * DOCUMENT ME!
    * 
@@ -465,19 +493,32 @@ public class OverviewPanel extends JPanel implements Runnable
   @Override
   public void paintComponent(Graphics g)
   {
-    if (resizing)
+    if (resizing || resizeAgain)
     {
-      g.setColor(Color.white);
+      if (lastMiniMe == null)
+      {
+        g.setColor(Color.white);
+        g.fillRect(0, 0, getWidth(), getHeight());
+      }
+      else
+      {
+        g.drawImage(lastMiniMe, 0, 0, getWidth(), getHeight(), this);
+      }
+      g.setColor(new Color(100, 100, 100, 25));
       g.fillRect(0, 0, getWidth(), getHeight());
     }
-    else if (miniMe != null)
+    else if (lastMiniMe != null)
     {
-      g.drawImage(miniMe, 0, 0, this);
+      g.drawImage(lastMiniMe, 0, 0, this);
+      if (lastMiniMe != miniMe)
+      {
+        g.setColor(new Color(100, 100, 100, 25));
+        g.fillRect(0, 0, getWidth(), getHeight());
+      }
     }
-
+    // TODO: render selected regions
     g.setColor(Color.red);
     g.drawRect(boxX, boxY, boxWidth, boxHeight);
     g.drawRect(boxX + 1, boxY + 1, boxWidth - 2, boxHeight - 2);
-
   }
 }