From a07bf6f3bf11bddbed2c40e76a0e9cf062123d98 Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Thu, 14 Apr 2005 16:53:13 +0000
Subject: [PATCH] if image is null, repaint

---
 src/jalview/gui/SeqCanvas.java |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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,
-- 
1.7.10.2