use a new invisible figure to determine if HG2 is used, rather than gcf

GISU2KM · Feb 27, 2015 · 2db12c0 · 2db12c0
1 parent 906d774
commit 2db12c0
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/using_hg2.m b/using_hg2.m
@@ -11,9 +11,10 @@
 
 function tf = using_hg2(fig)
 try
-    if nargin < 1,  fig = gcf;  end
+    if nargin < 1,  fig = figure('visible','off');  end
     tf = ~graphicsversion(fig, 'handlegraphics');
 catch
     tf = false;
 end
+if nargin < 1,  delete(fig);  end
 end