nian0114 / png2escpos

Quickly convert PNG files to ESC/POS format, for printing on Epson thermal point-of-sale printers.

png2escpos

Quickly convert PNG files to ESC/POS format, for printing on Epson thermal point-of-sale printers.

Installation

make

Note that you'll need libpng installed.

Usage

png2escpos v0.2 - converts PNGs into Epson ESC/POS format.
Copyright (c) 2015 The Working Group, Inc., incorporating
modifications by Michael Billington

Usage: ./png2escpos <file.png>
Binary output in ESC/POS format will be written directly to stdout.

You can pipe this output directly into an Epson printer with:
    Linux:    ./png2escpos <file.png> > /dev/usb/lp0
    Mac OS X: ./png2escpos <file.png> | lpr -P NAME_OF_PRINTER

Similar projects

Alternative converters:

• petrkutalek/png2pos - Can perform dithering for graphics that are not pure black and white.

Libraries for generating more complex output:

• mike42/escpos-php - PHP library
• python-escpos/python-escpos - Python library

Other:

• receipt-print-hq/escpos-tools - Parser which can perform the opposite transformation.

Copyright

(C) 2015 The Working Group Inc., incorporating modifications by Michael Billington < [email protected] >

Using the MIT License as described in the LICENSE file.