harbour-seaprint/README.md

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# SeaPrint
Network printing for Sailfish OS
![SeaPrint icon](icons/172x172/harbour-seaprint.png)
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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.
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For PDFs or plaintext, your printer needs to support one of the following formats:
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* 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).
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Then the printer support follows that of PDF (but poppler-utils is mandatory).
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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)