X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSeqCanvas.java;h=29874045bf428ecdd19188b6d8fb8655361371da;hb=2e9f692c73eebcd3f09f4762bc86acb5b5058202;hp=2a9c7048e29652f25df69b056a1af880ecf798a1;hpb=656c7531a92b29f19f3dcf0475ef7442b775d55a;p=jalview.git

diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java
index 2a9c704..2987404 100755
--- a/src/jalview/gui/SeqCanvas.java
+++ b/src/jalview/gui/SeqCanvas.java
@@ -771,8 +771,8 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
      * white fill the region to be drawn (so incremental fast paint doesn't
      * scribble over an existing image)
      */
-    gg.setColor(Color.white);
-    gg.fillRect(0, ypos, (endx - startColumn + 1) * charWidth,
+    g.setColor(Color.white);
+    g.fillRect(0, ypos, (endx - startColumn + 1) * charWidth,
             wrappedRepeatHeightPx);
 
     drawPanel(g, startColumn, endx, 0, av.getAlignment().getHeight() - 1,
@@ -1569,7 +1569,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
    */
   protected boolean drawMappedPositions(SearchResultsI results)
   {
-    if (results == null)
+    if ((results == null) || (gg == null)) // JAL-2784 check gg is not null
     {
       return false;
     }
@@ -1967,7 +1967,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
    */
   protected boolean drawMappedPositionsWrapped(SearchResultsI results)
   {
-    if (results == null)
+    if ((results == null) || (gg == null)) // JAL-2784 check gg is not null
     {
       return false;
     }