Re: Some fonts produce complete garbage on the printer (OKi MC362DN)

Solomon Peachy via Gimp-print-devel <[email protected]> Sat, 30 Nov 2024 08:36:31 -0500

Newsgroups	gmane.linux.printing.gimp-print.devel
Message-ID	<[email protected]>

On Thu, Nov 28, 2024 at 12:34:24AM +0100, Shanti-Dominique wrote:
> Is there an option to sanitize fonts before they are sent to the 
> printer, or to force printing as image?

Gutenprint works purely with bitmap data. If the source material is not 
an image then something else has to convert it before it's handed to 
gutenprint.

That "something else" can be the application itself, the framework it's 
using to print stuff, or a filter in the CUPS processing chain (eg 
"pdftoraster").  Since you're seeing wonky fonts, it could be any of 
those layers -- the application (or framework) could be inserting bad 
font data, or the rasterizer could be mis-interpreting said font data.

But either way, by the time Gutenprint is handed the print data, it's 
already been converted to a bitmap.

 - Solomon
-- 
Solomon Peachy			      pizza at shaftnet dot org (email&xmpp)
                                      @pizza:shaftnet dot org   (matrix)
Dowling Park, FL                      speachy (libera.chat)

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