From a1a0288d696c1dedef111a4edab027d95c89ed25 Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Tue, 2 May 2006 12:22:20 +0000
Subject: [PATCH] Check that fontsize > 0

---
 src/jalview/gui/SeqPanel.java |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/jalview/gui/SeqPanel.java b/src/jalview/gui/SeqPanel.java
index 48651f9..126d755 100755
--- a/src/jalview/gui/SeqPanel.java
+++ b/src/jalview/gui/SeqPanel.java
@@ -607,7 +607,7 @@ public class SeqPanel extends JPanel implements MouseListener,
         {
           int fontSize = av.font.getSize();
 
-          if (evt.getY() < lastMousePress.getY() && av.charHeight > 1)
+          if (evt.getY() < lastMousePress.getY())
           {
             fontSize--;
           }
@@ -616,10 +616,12 @@ public class SeqPanel extends JPanel implements MouseListener,
             fontSize++;
           }
 
+          if(fontSize<1)
+            fontSize = 1;
+
           av.setFont(new Font(av.font.getName(), av.font.getStyle(), fontSize));
           av.charWidth = oldWidth;
           ap.fontChanged();
-
         }
         else
         {
-- 
1.7.10.2