Use Container to get fontMetrics

[jalview.git] / src / jalview / gui / AlignViewport.java

diff --git a/src/jalview/gui/AlignViewport.java b/src/jalview/gui/AlignViewport.java
index 3af97ab..904e1e2 100755 (executable)
--- a/src/jalview/gui/AlignViewport.java
+++ b/src/jalview/gui/AlignViewport.java
@@ -531,10 +531,9 @@ public class AlignViewport
     {\r
         font = f;\r
 \r
-        javax.swing.JFrame temp = new javax.swing.JFrame();\r
-        temp.addNotify();\r
+        Container c = new Container();\r
 \r
-        java.awt.FontMetrics fm = temp.getGraphics().getFontMetrics(font);\r
+        java.awt.FontMetrics fm = c.getFontMetrics(font);\r
         setCharHeight(fm.getHeight());\r
         setCharWidth(fm.charWidth('M'));\r
     }\r