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python-escpos
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Add Chinese support

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Null Ying 2019-08-03 11:33:28 +08:00 committed by chenweijiang
parent 0c0e6b9b4c
commit 110200dde6
1 changed files with 11 additions and 7 deletions
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14
src/escpos/escpos.py
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@ -501,7 +501,7 @@ class Escpos(object):
image = my_code.writer._image image = my_code.writer._image
self.image(image, impl=impl) self.image(image, impl=impl)
def text(self, txt): def text(self, txt, chinese=False):
""" Print alpha-numeric text """ Print alpha-numeric text
The text has to be encoded in the currently selected codepage. The text has to be encoded in the currently selected codepage.
@ -510,10 +510,14 @@ class Escpos(object):
:param txt: text to be printed :param txt: text to be printed
:raises: :py:exc:`~escpos.exceptions.TextError` :raises: :py:exc:`~escpos.exceptions.TextError`
""" """
if chinese:
txt = txt.encode('GB18030')
self._raw(txt)
else:
txt = six.text_type(txt) txt = six.text_type(txt)
self.magic.write(txt) self.magic.write(txt)
def textln(self, txt=''): def textln(self, txt='', chinese=False):
"""Print alpha-numeric text with a newline """Print alpha-numeric text with a newline
The text has to be encoded in the currently selected codepage. The text has to be encoded in the currently selected codepage.
@ -522,7 +526,7 @@ class Escpos(object):
:param txt: text to be printed with a newline :param txt: text to be printed with a newline
:raises: :py:exc:`~escpos.exceptions.TextError` :raises: :py:exc:`~escpos.exceptions.TextError`
""" """
self.text('{}\n'.format(txt)) self.text('{}\n'.format(txt), chinese=chinese)
def ln(self, count=1): def ln(self, count=1):
"""Print a newline or more """Print a newline or more
@ -535,7 +539,7 @@ class Escpos(object):
if count > 0: if count > 0:
self.text('\n' * count) self.text('\n' * count)
def block_text(self, txt, font=None, columns=None): def block_text(self, txt, font=None, columns=None, chinese=False):
""" Text is printed wrapped to specified columns """ Text is printed wrapped to specified columns
Text has to be encoded in unicode. Text has to be encoded in unicode.
@ -546,7 +550,7 @@ class Escpos(object):
:return: None :return: None
""" """
col_count = self.profile.get_columns(font) if columns is None else columns col_count = self.profile.get_columns(font) if columns is None else columns
self.text(textwrap.fill(txt, col_count)) self.text(textwrap.fill(txt, col_count), chinese=chinese)
def set(self, align='left', font='a', bold=False, underline=0, width=1, def set(self, align='left', font='a', bold=False, underline=0, width=1,
height=1, density=9, invert=False, smooth=False, flip=False, height=1, density=9, invert=False, smooth=False, flip=False,