Revision: 54172
http://brlcad.svn.sourceforge.net/brlcad/?rev=54172&view=rev
Author: brlcad
Date: 2013-01-14 22:43:58 +0000 (Mon, 14 Jan 2013)
Log Message:
-----------
don't set the gAMA chunk if gamma is negative/unset, quells warnings on default
use
Modified Paths:
--------------
brlcad/trunk/src/util/pix-png.c
Modified: brlcad/trunk/src/util/pix-png.c
===================================================================
--- brlcad/trunk/src/util/pix-png.c 2013-01-14 20:35:44 UTC (rev 54171)
+++ brlcad/trunk/src/util/pix-png.c 2013-01-14 22:43:58 UTC (rev 54172)
@@ -165,7 +165,8 @@
* representing the value needed to un-do the 2.2 correction
* auto-applied by PowerPoint for PC monitors.
*/
- png_set_gAMA(png_p, info_p, out_gamma);
+ if (out_gamma > 0.0)
+ png_set_gAMA(png_p, info_p, out_gamma);
png_write_info(png_p, info_p);
png_write_image(png_p, scanlines);
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