From 6a60e39a5c0a5375794b8f3ea7fdc92f279a11e9 Mon Sep 17 00:00:00 2001
From: jprocter <Jim Procter>
Date: Wed, 22 Aug 2007 13:31:38 +0000
Subject: [PATCH] catch occasional -ve imgWidth exception

---
 src/jalview/gui/AnnotationPanel.java |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/jalview/gui/AnnotationPanel.java b/src/jalview/gui/AnnotationPanel.java
index 487b832..0fb84b0 100755
--- a/src/jalview/gui/AnnotationPanel.java
+++ b/src/jalview/gui/AnnotationPanel.java
@@ -548,7 +548,8 @@ public class AnnotationPanel
       }
     }
     imgWidth = (av.endRes - av.startRes + 1) * av.charWidth;
-
+    if (imgWidth<1)
+      return;
     if (image == null || imgWidth != image.getWidth()
         || image.getHeight(this) != getHeight())
     {
-- 
1.7.10.2