From 5ba8b4a50183f8a799069ba7a4dabd4cc2589a5b Mon Sep 17 00:00:00 2001
From: jprocter <Jim Procter>
Date: Mon, 13 Jun 2005 14:23:17 +0000
Subject: [PATCH] null pointer fix.

---
 src/jalview/gui/SeqCanvas.java |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java
index 789fb3f..c442465 100755
--- a/src/jalview/gui/SeqCanvas.java
+++ b/src/jalview/gui/SeqCanvas.java
@@ -219,8 +219,9 @@ public class SeqCanvas
   // Set this to false to force a full panel paint
   public void paintComponent(Graphics g)
   {
-    if (fastPaint  ||  getWidth() !=  g.getClipBounds().width
-                   ||  getHeight() != g.getClipBounds().height)
+    if (img!=null
+        && (fastPaint  ||  getWidth() !=  g.getClipBounds().width
+            ||  getHeight() != g.getClipBounds().height))
     {
       g.drawImage(img, 0, 0, this);
       fastPaint = false;
-- 
1.7.10.2