Revision: 54173
          http://brlcad.svn.sourceforge.net/brlcad/?rev=54173&view=rev
Author:   brlcad
Date:     2013-01-14 22:44:51 +0000 (Mon, 14 Jan 2013)
Log Message:
-----------
zero is also not valid, so go ahead and check if gama chunk is positive.

Modified Paths:
--------------
    brlcad/trunk/src/fb/fb-png.c

Modified: brlcad/trunk/src/fb/fb-png.c
===================================================================
--- brlcad/trunk/src/fb/fb-png.c        2013-01-14 22:43:58 UTC (rev 54172)
+++ brlcad/trunk/src/fb/fb-png.c        2013-01-14 22:44:51 UTC (rev 54173)
@@ -189,7 +189,7 @@
                 PNG_FILTER_TYPE_DEFAULT);
 
     /* default to no gamma correction */
-    if (!(out_gamma < 0.0))
+    if (out_gamma > 0.0)
        png_set_gAMA(png_p, info_p, out_gamma);
 
     png_write_info(png_p, info_p);

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