On Tue, Mar 5, 2024 at 15:18 (+0100), Taco Hoekwater wrote:
>> On 4 Mar 2024, at 15:30, Jim <zlists+cont...@jdvb.ca> wrote:
>> Recently I've been trying to make some PDFs smaller by using better
>> compression of JPEG pictures.
>> I was happy to see that \externalfigure cheerfully accepts .jp2 (JPEG 2000)
>> files. However, my understanding (and I could well be wrong, but I've seen
>> it multiple places) is that JPEG 2000 *Part 2* files should have extension
>> .jpx, not .jp2.
>> By default, ConTeXt does not recognize .jpx. But if I rename a .jpx file
>> to have a .jp2 extension, then ConTeXt properly processes the file and I
>> see the picture in the PDF.
>> Q: are there any plans to make ConTeXt recognize the .jpx extension?
>> If not, can anyone suggest some ConTeXt code which allows me to tell
>> ConTeXt to process a .jpx file as a .jp2 file?
> The recognised extensions are specified in a table in grph-inc.lmt, I don’t
> think you can alter that table runtime.
> But it is possible to do
> \externalfigure[method=jp2,file=….jpx]
> Untested, but should work.
Taco,
I could not get that to work, but I did get
\externalfigure[somefile.jpx][method=jp2]
to work. Thanks very much for leading me to that solution.
Jim
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