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Added density support

This commit is contained in:
Manuel F Martinez 2014-05-20 22:31:49 -07:00
parent 2b37185003
commit 34f562d64a
3 changed files with 33 additions and 1 deletions
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1
CHANGELOG
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@ -18,5 +18,6 @@ CHANGELOG
- Added exception for PIL import - Added exception for PIL import
* 2014-05-20 - Version 1.0.4 * 2014-05-20 - Version 1.0.4
- Issue #20: Added Density support (Sent by thomas.erbacher@ragapack.de)
- Added charcode tables - Added charcode tables
- Fixed Horizontal Tab - Fixed Horizontal Tab

10
escpos/constants.py
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@ -73,3 +73,13 @@ S_RASTER_N = '\x1d\x76\x30\x00' # Set raster image normal size
S_RASTER_2W = '\x1d\x76\x30\x01' # Set raster image double width S_RASTER_2W = '\x1d\x76\x30\x01' # Set raster image double width
S_RASTER_2H = '\x1d\x76\x30\x02' # Set raster image double height S_RASTER_2H = '\x1d\x76\x30\x02' # Set raster image double height
S_RASTER_Q = '\x1d\x76\x30\x03' # Set raster image quadruple S_RASTER_Q = '\x1d\x76\x30\x03' # Set raster image quadruple
# Printing Density
PD_N50 = '\x1d\x7c\x00' # Printing Density -50%
PD_N37 = '\x1d\x7c\x01' # Printing Density -37.5%
PD_N25 = '\x1d\x7c\x02' # Printing Density -25%
PD_N12 = '\x1d\x7c\x03' # Printing Density -12.5%
PD_0 = '\x1d\x7c\x04' # Printing Density 0%
PD_P50 = '\x1d\x7c\x08' # Printing Density +50%
PD_P37 = '\x1d\x7c\x07' # Printing Density +37.5%
PD_P25 = '\x1d\x7c\x06' # Printing Density +25%
PD_P12 = '\x1d\x7c\x05' # Printing Density +12.5%

23
escpos/escpos.py
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@ -230,7 +230,7 @@ class Escpos:
raise TextError() raise TextError()
def set(self, align='left', font='a', type='normal', width=1, height=1): def set(self, align='left', font='a', type='normal', width=1, height=1, density=9):
""" Set text properties """ """ Set text properties """
# Width # Width
if height == 2 and width == 2: if height == 2 and width == 2:
@ -276,6 +276,27 @@ class Escpos:
self._raw(TXT_ALIGN_RT) self._raw(TXT_ALIGN_RT)
elif align.upper() == "LEFT": elif align.upper() == "LEFT":
self._raw(TXT_ALIGN_LT) self._raw(TXT_ALIGN_LT)
# Density
if density == 0:
self._raw(PD_N50)
elif density == 1:
self._raw(PD_N37)
elif density == 2:
self._raw(PD_N25)
elif density == 3:
self._raw(PD_N12)
elif density == 4:
self._raw(PD_0)
elif density == 5:
self._raw(PD_P12)
elif density == 6:
self._raw(PD_P25)
elif density == 7:
self._raw(PD_P37)
elif density == 8:
self._raw(PD_P50)
else:# DEFAULT: DOES NOTHING
pass
def cut(self, mode=''): def cut(self, mode=''):