Thank you for all the replies! They were very helpful.
Best regards,
Piotr
On Thu, Feb 26, 2026 at 11:20 AM Michael Sweet <msweet at msweet.org> wrote:
> Piotr,
>> > On Feb 25, 2026, at 10:40 PM, Piotr Pawliczek via ipp <ipp at pwg.org>
> wrote:
> >
> >
> > Hello Everyone,
> >
> > I am looking for guidance on the best approach for handling larger
> rasters. Specifically, what is the current recommended method for raster
> compression?
> >
> > There is a "compression-supported" IPP attribute that allows the client
> to apply compression to the IPP payload. However, for many printers this
> attribute contains only "none".
>> Any AirPrint printer should support the "compression/-supported"
> attributes with the 'gzip' or 'deflate' values to apply LZ77 compression
> with the corresponding gzip or deflate headers. For reference, of the 14
> printers in my office all but one printer (an entry-level inkjet) supports
> compression...
>> > I cannot find any reference to HTTP-level compression. Is it mentioned
> in any IPP document?
>> IPP doesn't talk about HTTP's Content-Encoding header and I am not aware
> of any IPP Clients or Printers that use it for IPP requests/responses, so I
> doubt you would be able to successfully use that generally.
>> ________________________
> Michael Sweet
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