Some people have understood this issue for a long time. I remember reading Jim Blinn's article, "A Ghost in a Snowstorm", at least as far back as 1998:
To correctly composite two gamma-corrected images, the images should first be converted back to linear space, composited, then have gamma correction re-applied. -Dave On 9/15/2014 9:15 AM, Werner LEMBERG wrote:
I've just found this interesting site: http://www.4p8.com/eric.brasseur/gamma.html Given that really most software today fails to correctly scale images with proper gamma, there's no wonder that there are similar problems with the gamma stuff in the FreeType's CFF module. We are ahead of time, it seems... Werner _______________________________________________ Freetype mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/freetype .
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