X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=inline;f=src%2Fjalview%2Fappletgui%2FSeqCanvas.java;h=0e5c0e7fc2195e9916c53b35e6d164eb3df8e49c;hb=65d6d09cd08743d481d39521bb0298ea683888f8;hp=ce705970db0015756cbaaf808893c466b08e26e4;hpb=4d7f98a6dd54d9863ba449ec79dcd95d25ed863d;p=jalview.git

diff --git a/src/jalview/appletgui/SeqCanvas.java b/src/jalview/appletgui/SeqCanvas.java
index ce70597..0e5c0e7 100755
--- a/src/jalview/appletgui/SeqCanvas.java
+++ b/src/jalview/appletgui/SeqCanvas.java
@@ -24,6 +24,7 @@ import jalview.datamodel.AlignmentI;
 import jalview.datamodel.SearchResults;
 import jalview.datamodel.SequenceGroup;
 import jalview.datamodel.SequenceI;
+import jalview.util.ColorUtils;
 import jalview.viewmodel.AlignmentViewport;
 
 import java.awt.Color;
@@ -276,6 +277,7 @@ public class SeqCanvas extends Panel
    * at 0). NOTE 1: The av limits are set in setFont in this class and in the
    * adjustment listener in SeqPanel when the scrollbars move.
    */
+  @Override
   public void update(Graphics g)
   {
     paint(g);
@@ -573,10 +575,17 @@ public class SeqCanvas extends Panel
           g1.translate(-screenY * avcharWidth, 0);
           screenY += blockEnd - blockStart + 1;
           blockStart = hideEnd + 1;
+
+          if (screenY > (endRes - startRes))
+          {
+            // already rendered last block
+            return;
+          }
         }
       }
       if (screenY <= (endRes - startRes))
       {
+        // remaining visible region to render
         blockEnd = blockStart + (endRes - startRes) - screenY;
         g1.translate(screenY * avcharWidth, 0);
         draw(g1, blockStart, blockEnd, startSeq, endSeq, offset);
@@ -723,7 +732,7 @@ public class SeqCanvas extends Panel
               }
               else
               {
-                g.setColor(group.getOutlineColour());
+                g.setColor(ColorUtils.getColor(group.getOutlineColour()));
               }
             }
           }