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Merge pull request #123 from python-escpos/refactor/misc-issues

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Refactor misc issues
This commit is contained in:
Patrick Kanzler
2016-04-03 21:46:15 +02:00
parent 7b18afec75 481285625b
commit 2aa0878f54
6 changed files with 18 additions and 11 deletions
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18
escpos/escpos.py
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@@ -238,12 +238,12 @@ class Escpos(object):
(width, height) = image.size
self._raw(S_RASTER_N)
headerX = int(width / 8)
headerY = height
buf = "{0:02X}".format((headerX & 0xff))
buf += "{0:02X}".format(((headerX >> 8) & 0xff))
buf += "{0:02X}".format((headerY & 0xff))
buf += "{0:02X}".format(((headerY >> 8) & 0xff))
header_x = int(width / 8)
header_y = height
buf = "{0:02X}".format((header_x & 0xff))
buf += "{0:02X}".format(((header_x >> 8) & 0xff))
buf += "{0:02X}".format((header_y & 0xff))
buf += "{0:02X}".format(((header_y >> 8) & 0xff))
#self._raw(binascii.unhexlify(buf))
for y in range(height):
for x in range(width):
@@ -550,8 +550,8 @@ class Escpos(object):
:param columns: amount of columns
:return: None
"""
colCount = self.columns if columns is None else columns
self.text(textwrap.fill(txt, colCount))
col_count = self.columns if columns is None else columns
self.text(textwrap.fill(txt, col_count))
def set(self, align='left', font='a', text_type='normal', width=1, height=1, density=9, invert=False, smooth=False, flip=False):
""" Set text properties by sending them to the printer
@@ -733,7 +733,7 @@ class Escpos(object):
:raises: :py:exc:`~escpos.exceptions.TabPosError`
"""
# Set tab positions
if pos < 1 or pos > 16:
if not (1 <= pos <= 16):
raise TabPosError()
else:
self._raw(CTL_SET_HT + six.int2byte(pos))