X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FIdCanvas.java;fp=src%2Fjalview%2Fgui%2FIdCanvas.java;h=cd7b0b77d8733a2c8d72d688c1a19ff0849c1042;hb=948bd3bcbacc509da0cefaae3eedd97300a6ccce;hp=085b259e9e098481b6bddd74b7e9681056d4cad4;hpb=3699e0fd64de573799a6cd2fd78da5dfc670d98e;p=jalview.git

diff --git a/src/jalview/gui/IdCanvas.java b/src/jalview/gui/IdCanvas.java
index 085b259..cd7b0b7 100755
--- a/src/jalview/gui/IdCanvas.java
+++ b/src/jalview/gui/IdCanvas.java
@@ -83,7 +83,7 @@ public class IdCanvas extends JPanel implements ViewportListenerI
     this.av = av;
     PaintRefresher.Register(this, av.getSequenceSetId());
     av.getRanges().addPropertyChangeListener(this);
-  }
+    }
 
   /**
    * DOCUMENT ME!
@@ -204,7 +204,11 @@ public class IdCanvas extends JPanel implements ViewportListenerI
     gg.translate(0, -transY);
 
     fastPaint = true;
-    repaint();
+
+    // Call repaint on alignment panel so that repaints from other alignment
+    // panel components can be aggregated. Otherwise performance of the overview
+    // window and others may be adversely affected.
+    av.getAlignPanel().repaint();
   }
 
   /**
@@ -216,41 +220,43 @@ public class IdCanvas extends JPanel implements ViewportListenerI
   @Override
   public void paintComponent(Graphics g)
   {
+    super.paintComponent(g);
+
     g.setColor(Color.white);
     g.fillRect(0, 0, getWidth(), getHeight());
-
+    
     if (fastPaint)
     {
       fastPaint = false;
       g.drawImage(image, 0, 0, this);
-
+    
       return;
     }
-
+    
     int oldHeight = imgHeight;
-
+    
     imgHeight = getHeight();
     imgHeight -= (imgHeight % av.getCharHeight());
-
+    
     if (imgHeight < 1)
     {
       return;
     }
-
+    
     if (oldHeight != imgHeight || image.getWidth(this) != getWidth())
     {
-      image = new BufferedImage(getWidth(), imgHeight,
-              BufferedImage.TYPE_INT_RGB);
+    	image = new BufferedImage(getWidth(), imgHeight,
+                BufferedImage.TYPE_INT_RGB);
     }
-
+    
     gg = (Graphics2D) image.getGraphics();
-
+    
     // Fill in the background
     gg.setColor(Color.white);
     gg.fillRect(0, 0, getWidth(), imgHeight);
-
+    
     drawIds(av.getRanges().getStartSeq(), av.getRanges().getEndSeq());
-
+    
     g.drawImage(image, 0, 0, this);
   }
 
@@ -374,7 +380,7 @@ public class IdCanvas extends JPanel implements ViewportListenerI
     if (av.hasHiddenColumns())
     {
       maxwidth = av.getAlignment().getHiddenColumns()
-              .findColumnPosition(maxwidth) - 1;
+              .absoluteToVisibleColumn(maxwidth) - 1;
     }
 
     int annotationHeight = 0;