setop/python-escpos
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Add width/height multiplier support, upsidedown text and text smoothing

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This commit is contained in:
Dean Rispin
2016-03-01 10:05:52 -08:00
parent 7c98de6727
commit 8d00e63b87
3 changed files with 43 additions and 9 deletions
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25
escpos/escpos.py
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@@ -451,7 +451,7 @@ class Escpos(object):
colCount = self.columns if columns is None else columns
self.text(textwrap.fill(txt, colCount))
def set(self, align='left', font='a', text_type='normal', width=1, height=1, density=9, invert=False):
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
:param align: horizontal position for text, possible values are:
@@ -466,32 +466,43 @@ class Escpos(object):
* B for bold
* U for underlined
* B2 for bold, version 2
* U2 for underlined, version 2
* BU for bold and underlined
* BU2 for bold and underlined, version 2
* NORMAL for normal text
*default*: NORMAL
:param width: text width, normal (1) or double width (2), *default*: 1
:param height: text height, normal (1) or double height (2), *default*: 1
:param width: text width multiplier, decimal range 1-8, *default*: 1
:param height: text height multiplier, decimal range 1-8, *default*: 1
:param density: print density, value from 0-8, if something else is supplied the density remains unchanged
:param invert: True enables white on black printing, *default*: False
:param smooth: True enables text smoothing. Effective on 4x4 size text and larger, *default*: False
:param flip: True enables upside-down printing, *default*: False
:type invert: bool
"""
# Width
if height == 2 and width == 2:
self._raw(TXT_NORMAL)
self._raw(TXT_4SQUARE)
elif height == 2 and width != 2:
elif height == 2 and width == 1:
self._raw(TXT_NORMAL)
self._raw(TXT_2HEIGHT)
elif width == 2 and height != 2:
elif width == 2 and height == 1:
self._raw(TXT_NORMAL)
self._raw(TXT_2WIDTH)
else: # DEFAULT SIZE: NORMAL
elif width == 1 and height == 1:
self._raw(TXT_NORMAL)
else:
self._raw(TXT_SIZE + chr(TXT_WIDTH[width] + TXT_HEIGHT[height]))
# Type
if flip == True:
self._raw(TXT_FLIP_ON)
else:
self._raw(TXT_FLIP_OFF)
if smooth == True:
self._raw(TXT_SMOOTH_ON)
else:
self._raw(TXT_SMOOTH_OFF)
if text_type.upper() == "B":
self._raw(TXT_BOLD_ON)
self._raw(TXT_UNDERL_OFF)