harbour-seaprint/README.md

# SeaPrint
Network printing for Sailfish OS

![SeaPrint icon](icons/172x172/harbour-seaprint.png)

Print PDFs and images over IPP (Internet Printing Protocol).

Most, but not all, IPP-capable printers are supported.

A minority of printers support only PCL and/or their own proprietary formats, these are not supported.

## Format support

In order to work with more printers, SeaPrint can use `poppler-utils` (pdftoppm, pdftops, pdftocairo) to convert PDFs.

For PDFs or plaintext, your printer needs to support one of the following formats:
 * PDF
 * Postscript (needs poppler-utils)
 * PWG-raster (needs poppler-utils)
 * URF-raster (needs poppler-utils)

For Postscript, your printer needs to support Postscript natively.

For printing "Office" files, like .doc(x) and odt, you need to install
 `calligraconverter` (from the `calligra` package in Sailfish OS 4.2 onwards).
 Then the printer support follows that of PDF (but poppler-utils is mandatory).

For images, your printer needs to support one of the following formats:
 * PNG
 * JPEG
 * PWG-raster
 * URF-raster
 * PDF
 * Postscript (needs poppler-utils)

For printing JPEG images, transferring the unaltered image has priority and the printer does the scaling.
Other image formats are lossless and SeaPrint does scale-and-rotate to fit, so JPEG has lowest prio there.

Printers with any of these IPP certifications/sub-standards should likely be supported:

 * IPP Everywhere
 * AirPrint
 * Mopria
 * WiFi Direct

(obviously SeaPrint is unaffiliated and uncertified)