setop/python-escpos
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Refactor of the set method, with tests

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Romain Porte
2017-05-14 10:38:21 +02:00
committed by Patrick Kanzler
parent 4b04a5c425
commit a16d6bde06
3 changed files with 387 additions and 137 deletions
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120
src/escpos/escpos.py
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@@ -21,16 +21,15 @@ import six
from .constants import ESC, GS, NUL, QR_ECLEVEL_L, QR_ECLEVEL_M, QR_ECLEVEL_H, QR_ECLEVEL_Q
from .constants import QR_MODEL_1, QR_MODEL_2, QR_MICRO, BARCODE_TYPES, BARCODE_HEIGHT, BARCODE_WIDTH
from .constants import TXT_ALIGN_CT, TXT_ALIGN_LT, TXT_ALIGN_RT, BARCODE_FONT_A, BARCODE_FONT_B
from .constants import BARCODE_FONT_A, BARCODE_FONT_B
from .constants import BARCODE_TXT_OFF, BARCODE_TXT_BTH, BARCODE_TXT_ABV, BARCODE_TXT_BLW
from .constants import TXT_HEIGHT, TXT_WIDTH, TXT_SIZE, TXT_NORMAL, TXT_SMOOTH_OFF, TXT_SMOOTH_ON
from .constants import TXT_FLIP_OFF, TXT_FLIP_ON, TXT_2WIDTH, TXT_2HEIGHT, TXT_4SQUARE
from .constants import TXT_UNDERL_OFF, TXT_UNDERL_ON, TXT_BOLD_OFF, TXT_BOLD_ON, SET_FONT, TXT_UNDERL2_ON
from .constants import TXT_INVERT_OFF, TXT_INVERT_ON, LINESPACING_FUNCS, LINESPACING_RESET
from .constants import PD_0, PD_N12, PD_N25, PD_N37, PD_N50, PD_P50, PD_P37, PD_P25, PD_P12
from .constants import TXT_SIZE, TXT_NORMAL
from .constants import SET_FONT
from .constants import LINESPACING_FUNCS, LINESPACING_RESET
from .constants import CD_KICK_DEC_SEQUENCE, CD_KICK_5, CD_KICK_2, PAPER_FULL_CUT, PAPER_PART_CUT
from .constants import HW_RESET, HW_SELECT, HW_INIT
from .constants import CTL_VT, CTL_HT, CTL_CR, CTL_FF, CTL_LF, CTL_SET_HT, PANEL_BUTTON_OFF, PANEL_BUTTON_ON
from .constants import TXT_STYLE
from .exceptions import BarcodeTypeError, BarcodeSizeError, TabPosError
from .exceptions import CashDrawerError, SetVariableError, BarcodeCodeError
@@ -356,7 +355,7 @@ class Escpos(object):
# Align Bar Code()
if align_ct:
self._raw(TXT_ALIGN_CT)
self._raw(TXT_STYLE['align']['center'])
# Height
if 1 <= height <= 255:
self._raw(BARCODE_HEIGHT + six.int2byte(height))
@@ -421,8 +420,9 @@ class Escpos(object):
col_count = self.profile.get_columns(font) 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):
def set(self, align='left', font='a', bold=False, underline=0, width=1,
height=1, density=9, invert=False, smooth=False, flip=False,
size='normal'):
""" Set text properties by sending them to the printer
:param align: horizontal position for text, possible values are:
@@ -453,87 +453,29 @@ class Escpos(object):
: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 == 1:
self._raw(TXT_NORMAL)
self._raw(TXT_2HEIGHT)
elif width == 2 and height == 1:
self._raw(TXT_NORMAL)
self._raw(TXT_2WIDTH)
elif width == 1 and height == 1:
self._raw(TXT_NORMAL)
elif 1 <= width <= 8 and 1 <= height <= 8 and isinstance(width, int) and isinstance(height, int):
self._raw(TXT_SIZE + six.int2byte(TXT_WIDTH[width] + TXT_HEIGHT[height]))
else:
raise SetVariableError()
# Upside down
if flip:
self._raw(TXT_FLIP_ON)
else:
self._raw(TXT_FLIP_OFF)
# Smoothing
if smooth:
self._raw(TXT_SMOOTH_ON)
else:
self._raw(TXT_SMOOTH_OFF)
# Type
if text_type.upper() == "B":
self._raw(TXT_BOLD_ON)
self._raw(TXT_UNDERL_OFF)
elif text_type.upper() == "U":
self._raw(TXT_BOLD_OFF)
self._raw(TXT_UNDERL_ON)
elif text_type.upper() == "U2":
self._raw(TXT_BOLD_OFF)
self._raw(TXT_UNDERL2_ON)
elif text_type.upper() == "BU":
self._raw(TXT_BOLD_ON)
self._raw(TXT_UNDERL_ON)
elif text_type.upper() == "BU2":
self._raw(TXT_BOLD_ON)
self._raw(TXT_UNDERL2_ON)
elif text_type.upper() == "NORMAL":
self._raw(TXT_BOLD_OFF)
self._raw(TXT_UNDERL_OFF)
# Font
self._raw(SET_FONT(six.int2byte(self.profile.get_font(font))))
# Align
if align.upper() == "CENTER":
self._raw(TXT_ALIGN_CT)
elif align.upper() == "RIGHT":
self._raw(TXT_ALIGN_RT)
elif align.upper() == "LEFT":
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
# Invert Printing
if invert:
self._raw(TXT_INVERT_ON)
else:
self._raw(TXT_INVERT_OFF)
if size in TXT_STYLE['size']:
self._raw(TXT_NORMAL)
self._raw(TXT_STYLE['size'][size])
elif size == 'custom':
if 1 <= width <= 8 and 1 <= height <= 8 and isinstance(width, int) and\
isinstance(height, int):
size_byte = TXT_STYLE['width'][width] + TXT_STYLE['height'][height]
self._raw(TXT_SIZE + six.int2byte(size_byte))
else:
raise SetVariableError()
self._raw(TXT_STYLE['flip'][flip])
self._raw(TXT_STYLE['smooth'][smooth])
self._raw(TXT_STYLE['bold'][bold])
self._raw(TXT_STYLE['underline'][underline])
self._raw(SET_FONT(six.int2byte(self.profile.get_font(font))))
self._raw(TXT_STYLE['align'][align])
if density != 9:
self._raw(TXT_STYLE['density'][density])
self._raw(TXT_STYLE['invert'][invert])
def line_spacing(self, spacing=None, divisor=180):
""" Set line character spacing.