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src/java.desktop/share/native/libsplashscreen/libpng/pngrtran.c

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@@ -27,12 +27,12 @@
  * This file is available under and governed by the GNU General Public
  * License version 2 only, as published by the Free Software Foundation.
  * However, the following notice accompanied the original version of this
  * file and, per its terms, should not be removed:
  *
- * Last changed in libpng 1.6.19 [November 12, 2015]
- * Copyright (c) 1998-2015 Glenn Randers-Pehrson
+ * Last changed in libpng 1.6.22 [May 26, 2016]
+ * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
  * This code is released under the libpng license.
  * For conditions of distribution and use, see the disclaimer

@@ -315,13 +315,16 @@
 
    /* Validate the value to ensure it is in a reasonable range. The value
     * is expected to be 1 or greater, but this range test allows for some
     * viewing correction values.  The intent is to weed out users of this API
     * who use the inverse of the gamma value accidentally!  Since some of these
-    * values are reasonable this may have to be changed.
+    * values are reasonable this may have to be changed:
+    *
+    * 1.6.x: changed from 0.07..3 to 0.01..100 (to accomodate the optimal 16-bit
+    * gamma of 36, and its reciprocal.)
     */
-   if (output_gamma < 70000 || output_gamma > 300000)
+   if (output_gamma < 1000 || output_gamma > 10000000)
       png_error(png_ptr, "output gamma out of expected range");
 
    /* The default file gamma is the inverse of the output gamma; the output
     * gamma may be changed below so get the file value first:
     */
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