[NTG-context] Re: JPEG 2000 extensions

[Hans Hagen <j.hagen@xs4all.nl>]

On 1/11/2025 1:47 AM, Jim wrote:
> Hi,
> 
> in .../tex/texmf-context/tex/context/base/mkiv/grph-inc.lua I see (at line
> 333)
>              ["jp2"]    = { list = { "jp2" } },
> 
> That is (AIUI) the proper extension for JPEG2000 (Part 1) images.
> The JPEG2000 (Part 2) images I looked at have the same magic bytes as
> listed in line 349 of that file.
> 
> AIUI, JPEG2000 (Part 2) images should have the extension .jpx.  Is it
> possible to change line 333 to read
> 
>              ["jp2"]    = { list = { "jp2", "jpx" } },
> 
> ?
> 
> (I hope this is the only change needed.)
> 
> I may be the only (vocal) person using .JPX files right now, but in the
> years to come, who knows how many people will use it?
> 
> Thanks.
> 
>                                  Jim
> 
> P.S.  I know that I can use
>          \definegraphictypesynonym [jpx] [jp2]
>        but in the interest of helping others who may run into this issue in
>        the future, ...

did you check if pdf viewers can handle both? or is it just a suffix issue

Hans

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