setop/python-escpos
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Ensure QR codes have a border large enough

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(The QR code spec requires a border at least 4*box_size thick but we can't
 just set border=16 because that results in a QR code more than 255px tall
 and I'm not yet ready to use fullimage() as a backend for it)

This fix was originally commited by Stephan Sokolow on 2014-05-22
This commit is contained in:
Romain Porte
2017-07-18 18:41:07 +02:00
parent 662aa30f4b
commit cbc9c3b341
2 changed files with 19 additions and 0 deletions
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16
examples/qr_code.py Normal file
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@@ -0,0 +1,16 @@
from escpos.printer import Usb
if __name__ == '__main__':
# Adapt to your needs
p = Usb(0x0416, 0x5011, profile="POS-5890")
# Some software barcodes
p.set(align='left')
p.text("hello\n")
p.qr("https://github.com/python-escpos/python-escpos")
p.text("world\n")