setop/python-escpos
1
0
Fork 0
mirror of https://github.com/python-escpos/python-escpos synced 2025-10-23 09:30:00 +00:00
Code Activity

Allow linespacing reset. Make this the default.

Browse Source
This commit is contained in:
Michael Elsdörfer
2016-08-26 10:38:36 +02:00
parent 854b75be30
commit 07d47765aa
3 changed files with 15 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/escpos/escpos.py
View File

@@ -565,9 +565,11 @@ class Escpos(object):
else:
self._raw(TXT_INVERT_OFF)
def line_spacing(self, spacing=30, divisor=180):
def line_spacing(self, spacing=None, divisor=180):
""" Set line character spacing.
If no spacing is given, we reset it to the default.
There are different commands for setting the line spacing, using
a different denominator:
@@ -578,6 +580,10 @@ class Escpos(object):
Some printers may not support all of them. The most commonly
available command (using a divisor of 180) is chosen.
"""
if spacing is None:
self._raw(LINESPACING_RESET)
return
if divisor not in LINESPACING_FUNCS:
raise ValueError("divisor must be either 360, 180 or 60")
if (divisor in [360, 180] \