From 9218eaf932c0847b83e9886f5c06d70a0bc7808e Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Fri, 8 Apr 2005 16:15:06 +0000
Subject: [PATCH] return from painting if size is 0

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

diff --git a/src/jalview/gui/SeqCanvas.java b/src/jalview/gui/SeqCanvas.java
index 38825c5..698489e 100755
--- a/src/jalview/gui/SeqCanvas.java
+++ b/src/jalview/gui/SeqCanvas.java
@@ -177,6 +177,8 @@ public void fastPaint(int horizontal, int vertical)
     // this draws the whole of the alignment
       imgWidth  = getWidth();
       imgHeight = getHeight();
+      if(imgWidth==0 || imgHeight==0)
+        return;
 
       imgWidth -= imgWidth%av.charWidth;
       imgHeight-= imgHeight%av.charHeight;
-- 
1.7.10.2