X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjalview%2Fgui%2FSeqCanvas.java;h=6dc2acd6cfd6feebf664646b59a8fc65afc8c830;hb=7a33703b08606394844a7cc796ca1ffe83e3d2d1;hp=698489e717589fb504aceb3f31b092f2707d443a;hpb=9218eaf932c0847b83e9886f5c06d70a0bc7808e;p=jalview.git

diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java
index 698489e..6dc2acd 100755
--- a/src/jalview/gui/SeqCanvas.java
+++ b/src/jalview/gui/SeqCanvas.java
@@ -115,7 +115,7 @@ public class SeqCanvas extends JPanel
 
 public void fastPaint(int horizontal, int vertical)
 {
-    if (horizontal == 0 && vertical == 0)
+    if (horizontal == 0 && vertical == 0 || gg==null)
       return;
 
     gg.copyArea(0, 0, imgWidth, imgHeight, -horizontal * av.charWidth,