Re: EXIF support in PNG

On Thu, Jan 5, 2017 at 7:09 AM, Willem van Schaik <[email protected]> wrote:
>> I think there's value in approving both.
> that would be a bad idea !!  definitely not KISS

At this point I'm persuaded by what Cosmin said with regard to the
need for actual working implementations.  I see this discussion
descending into a debate over voting procedures and a set of
assertions about how great a proposal is.

I think we need actual implementations.  That will allow everyone on
this list to consider what the real complexity and real restrictions
of each proposal are.

So I'm just going to continue with what I was doing on the github
project I created but enhance it with a pair of functions that can be
incorporated into any application and use any version of libpng to
read and write the data.

I'll also make jpegtopng a somewhat more credible application by
correctly recording EXIF data which relates to the current image
encoding in the PNG way insofar as is possible, probably by using
libexif to read the relevant tags.

John Bowler

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