[gs-devel] Can Ghostscript stream PDF?

[Till Kamppeter]

On 02/06/2021 10:34, Ken Sharp wrote:
> At 08:54 02/06/2021, Till Kamppeter wrote:
> 
>> As Ghostscript does not take Raster as input I have to encapsulate my 
>> Raster data in a format which Ghostscript understands as input format. 
>> That is either PostScript or PDF.
> 
> GhostPDL, however, does accept several raster formats, and since it uses 
> the Ghostscript graphics library it therefore supports the legacy devices.
> 

[...]

>> 2. If I want to print Raster data with a legacy driver built into 
>> Ghostscript, is there any advantage for me (like color management, 
>> color reproduction quality) to convert the Raster data into PDF and 
>> not into PostScript?
> 
> You might be able to get a smaller PDF file than a PostScript file, you 
> might (theoretically) be able to do a more accurate colour matching, or 
> at least match more easily, because PDF supports ICC profiles, which 
> PostScript doesn't. I doubt either of these are of any great importance.

[...]

> For the specific case of sending image data to a printer, no I can't see 
> any reason to use PDF instead of PostScript.
> 

OK. Thanks, so I will either use Ghostscript and send the Raster data 
encapsulated as PostScript or use GhostPDL and send PWG or Apple Raster 
(URF).

Which Raster formats does GhostPDL actually accept?

    Till