From: gmungoc <g.m.carstairs@dundee.ac.uk>
Date: Wed, 6 Sep 2017 15:03:47 +0000 (+0100)
Subject: JAL-2721 no fastPaint if img has been nulled by fontChanged!
X-Git-Tag: Release_2_11_0~249^2
X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=refs%2Fheads%2Fbug%2FJAL-2721fastPaintNPE;p=jalview.git

JAL-2721 no fastPaint if img has been nulled by fontChanged!
---

diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java
index 191a7d8..4e896a0 100755
--- a/src/jalview/gui/SeqCanvas.java
+++ b/src/jalview/gui/SeqCanvas.java
@@ -283,7 +283,7 @@ public class SeqCanvas extends JComponent implements ViewportListenerI
    */
   public void fastPaint(int horizontal, int vertical)
   {
-    if (fastpainting || gg == null)
+    if (fastpainting || gg == null || img == null)
     {
       return;
     }