[gs-devel] Can Ghostscript stream PDF?

Chris Liddell chris.liddell at artifex.com
Wed Jun 2 14:00:32 UTC 2021

On 02/06/2021 14:43, Jonas Smedegaard wrote:
> Quoting Till Kamppeter (2021-06-02 15:22:23)
>> On 02/06/2021 15:11, Jonas Smedegaard wrote:
>>> It might be relevant to your work that GhostPDL is not currently 
>>> available in Debian, due to required fonts below pcl/fonts/ not 
>>> compliant with Debian Free Software Guidelines.
>> Thanks, Chris Liddell also already told me about this on IRC, but I 
>> intended to build GhostPDL only inside s Snap, where only PWG Raster 
>> is used as input format and never PCL, so the non-working PCL input 
>> part would not matter for me (assuming that there is no "paywall" 
>> built in which rejects PWG Raster input if the PCL fonts are not 
>> present).
> If I understand you correctly that GhostPDL can be built _without_ PCL 
> support and there is a use-case for that, then that's interesting to me 
> and I could look into shipping such gpld runtime with Debian.

It can't be built that way *now*, I've said I'll look into supporting
choosing inputs with configure when I have the time.

We do also hope to have an option to build the PCL interpreter with a
cut down AGPL compliant/compatible set of fonts. This would end up with
a not-100% compliant PCL5 implementation, but it is *relatively* rare
(outside of custom or test suites) these days to see even PCL5 files
that rely on the standard font set, rather than embedding fonts.

But working out what that minimal font set should and can be is going to
take some time.


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