* Print in grayscale prints on a Windows driver with no grey option (#5806)
Windows refused Print in grayscale ("the printer's driver did not retain the requested
grayscale; nothing was sent") on drivers that list no grey option the ticket can name:
Microsoft Print to PDF, and an HP Photosmart driver whose grey is its own vendor setting.
- On Windows, a grayscale job's copy for the spooler is made grey first with Convert colours
(all pages, comments and form fields, black kept black, pictures re-encoded where they can
be), and the job says so (Job::grey_pages). The driver is still asked for grey where it has
it; one without prints the grey pages instead of refusing them. A copy that can't be read
goes as it is and asks the driver strictly, as before.
- craft-print 970644b7 (storytold/craft-libs#774) adds Job::grey_pages and asks a driver that
lists only psk:Grayscale for that, not psk:Monochrome.
- Both the Print dialog and doc_print go through spooler_copy, which now takes the job.
* craft-print 1146cdc4: craft-libs main with #774 (grey pages) and #773 (the CUPS printer list waits at most 15 s, storytold/pdfcraft#6761)
FredApps
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