Re: Citizen CX-02 incorrect paper dimensions in PPD

Michael Sweet via Gimp-print-devel <[email protected]> Wed, 31 Jul 2024 15:00:03 -0400

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

Solomon,

Perhaps to "fast track" this discussion, does this printer just use a roll of media and cut it to the desired size?

If so, the best thing to do here is report min/max roll (custom) sizes, with a selection of "standard" photo sizes (as currently) that are imposed on the roll with pixel duplication at the edges to avoid bleed issues.  From the outside, the printer supports printing on a roll and/or printing to specific "standard" sizes.  Gutenprint then handles any scaling/imposition to the printer's internal buffer/roll format from the raster data it gets from the print client/filters.

Reporting non-standard sizes with standard names doesn't work on any OS - macOS, for example, will report the odd sizes in the UI and any CUPS-based client on Linux will likewise show odd dimensional names and not the "localized" size names from the PPD file.  And regardless of whether the other platforms are open or proprietary, they are using open standards to print and Gutenprint's current usage is causing issues.

________________________
Michael Sweet

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