Default PNG sRGB gamma to 0.45455

diff --git a/coders/png.c b/coders/png.c
index d811544e311031c6f6f105fa13d4f5aa94e03137..178072cedd93cde766fdbd8b06d7d4d67292492e 100644 (file)
--- 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;