Re: EXIF support in PNG

Agreed ...

Willem


On 2017-01-01 22:02, John Bowler wrote:
> On Sun, Jan 1, 2017 at 8:36 PM, Glenn Randers-Pehrson <[email protected]
> <mailto:[email protected]>> wrote:
>
>     Most of the EXIF data remains relevant after a format conversion.
>
>
> Perhaps the right way of describing it is to say that if the EXIF chunk
> has data that is not overridden by the PNG data then it is probably correct.
>
> The data that I want to see preserved has nothing to do with the image
> format; it is true metadata that corresponds roughly to IPTC metadata.
> I guess the specification could observe that anything that qualifies the
> image encoding must be treated with distrust, however information such
> as black level, original white point and luminance can be useful even so.
>
> --
> John Bowler <[email protected]
> <mailto:[email protected]>>
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>
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-- 

Willem van Schaik
<[email protected]>
http://www.schaik.com/


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