From: Cristy <urban-warrior@imagemagick.org>
Date: Sat, 11 Aug 2018 13:46:45 +0000 (-0400)
Subject: Default PNG sRGB gamma to 0.45455
X-Git-Tag: 7.0.8-10~12
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=94086d89ff02a9562827a8a6ea52a7fa2c3347df;p=imagemagick

Default PNG sRGB gamma to 0.45455
---

diff --git a/coders/png.c b/coders/png.c
index d811544e3..178072ced 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -2897,7 +2897,7 @@ static Image *ReadOnePNGImage(MngInfo *mng_info,
          png_set_sRGB(ping,ping_info,
             Magick_RenderingIntent_to_PNG_RenderingIntent
             (image->rendering_intent));
-         file_gamma=1.000f/2.200f;
+         file_gamma=0.45455f;
          ping_found_sRGB=MagickTrue;
          (void) LogMagickEvent(CoderEvent,GetMagickModule(),
            "    Setting sRGB as if in input");
@@ -4889,7 +4889,7 @@ static Image *ReadOneJNGImage(MngInfo *mng_info,
           {
             image->rendering_intent=
               Magick_RenderingIntent_from_PNG_RenderingIntent(p[0]);
-            image->gamma=1.000f/2.200f;
+            image->gamma=0.45455f;
             image->chromaticity.red_primary.x=0.6400f;
             image->chromaticity.red_primary.y=0.3300f;
             image->chromaticity.green_primary.x=0.3000f;