53 lines
2.9 KiB
Plaintext
53 lines
2.9 KiB
Plaintext
# ASCII Photobooth printer configuration
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# Sourced by txt2printr.sh and photobooth.py.
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# Is the printer loaded with A4 paper for a landscape printout? (true/false)
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# Needle/dot-matrix printers have no hardware page-rotation command: the
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# print head only scans across a fixed carriage width while the paper feeds
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# in one fixed direction, so there is no way to make the physical page
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# itself "landscape". Instead, when this is true:
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# - txt2printr.sh rotates the ascii art 90 degrees in software before
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# sending it to the printer (turn the printed page 90 degrees to read it)
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# - photobooth.py sizes its live-preview viewfinder to an A4-landscape
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# character grid instead of just following the terminal size, so what you
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# see in the preview matches the shape of what gets printed
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# The Epson DFX-5000+ is a wide-carriage tractor-feed printer that only
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# takes continuous (fanfold) paper 4-16 in (101-406.4mm) wide - it has no
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# A4 sheet path, so this stays false.
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PRINTER_A4=false
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# Your printer's real per-page capacity in the normal (portrait, unrotated)
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# orientation, used to size the A4 viewfinder above and to know when a print
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# job already fills the page (see txt2printr.sh). Paper geometry and stated
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# pitch don't reliably predict this - measure it directly with pagetest.sh:
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# ./pagetest.sh && PRINTER_A4=false ./txt2printr.sh pagetest.txt
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# then read off the last line number on page 1 (-> PRINTER_MAX_LINES) and
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# how many characters of the 64-wide test lines actually printed before
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# being cut off (-> PRINTER_MAX_COLS).
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#
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# Set PRINTER_MAX_LINES=0 for a roll/continuous-feed printer that has no
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# fixed page length. In that mode photobooth.py sizes captures to fill
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# PRINTER_MAX_COLS width and lets height follow the image's own aspect
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# ratio instead of cropping to a row count, and txt2printr.sh always feeds
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# the paper out at the end of a print instead of skipping the feed when a
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# page is already full (there's no page to fill).
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#
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# The DFX-5000+ is fed from continuous fanfold stock rather than cut
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# sheets, so it's treated the same as a roll printer here (0). Its DIP
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# switch 2-1 does let it track a fixed 11 in or 12 in form length with
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# perforation-skip, but that's a page-break convenience on the paper feed,
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# not a limit on total printable length - re-measure with pagetest.sh if
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# you rely on perforation-skip and want output to stop short of the next
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# perforation instead of running past it.
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#
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# PRINTER_MAX_COLS below is the datasheet's rated printable-column count
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# at the printer's default pitch (10 cpi) on its widest supported stock
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# (16 in fanfold): 136 columns. That's the printer's own printable-area
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# limit (0.51-1.22 in left margin, 0.51 in right margin), not a
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# measurement against this install's actual loaded paper width -
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# re-measure with pagetest.sh if narrower stock is loaded.
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# Source: Epson DFX-5000 Product Information sheet (9-Pin Printers,
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# 12/12/88), "Printable columns" table.
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PRINTER_MAX_LINES=0
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PRINTER_MAX_COLS=136
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