writer and reader added
This commit is contained in:
Philipp Klaus
@@ -0,0 +1,77 @@
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models = [
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'QL-500',
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'QL-550',
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'QL-560',
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'QL-570',
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'QL-580N',
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'QL-650TD'
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'QL-700',
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'QL-710W',
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'QL-720NW',
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'QL-1050',
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'QL-1060N',
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]
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min_max_length_dots = {
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'default': (295, 11811),
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# 'QL-500', 'QL-550', 'QL-560', and 'QL-650TD'
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# they all use the default.
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'QL-1050': (295, 35433),
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'QL-1060N': (295, 35433),
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'QL-570': (150, 11811),
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'QL-580N': (150, 11811),
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'QL-700': (150, 11811),
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'QL-710W': (150, 11811),
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'QL-720NW': (150, 11811),
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}
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min_max_feed = {
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'default': (35, 1500),
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}
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paper_dimensions = {
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# the dimensions are given as (width, length)
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# tape with length > 0: rectangular die-cut labels
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# tape with length == 0: continuous length tape
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# tape with length == -1: round die-cut labels
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#ID: ( tape_size_mm, size_dots, printable size dots, right_margin_dots, restrict_printers)
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257: ((12, 0), (142, 0), (106, 0), 29, []),
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258: ((29, 0), (342, 0), (306, 0), 6, []),
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264: ((38, 0), (449, 0), (413, 0), 12, []),
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262: ((50, 0), (590, 0), (554, 0), 12, []),
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261: ((54, 0), (636, 0), (590, 0), 0, []),
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259: ((62, 0), (732, 0), (696, 0), 12, []),
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260: ((102, 0), (1200, 0), (1164, 0), 12, ['QL-1060N', 'QL-1050']),
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269: ((17, 54), (201, 636), (165, 566), 0, []),
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270: ((17, 87), (201, 1026), (165, 956), 0, []),
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370: ((23, 23), (272, 272), (202, 202), 42, []),
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358: ((29, 42), (342, 495), (306, 425), 6, []),
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271: ((29, 90), (342, 1061), (306, 991), 6, []),
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272: ((38, 90), (449, 1061), (413, 991), 12, []),
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367: ((39, 48), (461, 565), (425, 495), 6, []),
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374: ((52, 29), (614, 341), (578, 271), 0, []),
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274: ((62, 29), (732, 341), (696, 271), 12, []),
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275: ((62, 100), (732, 1179), (696, 1109), 12, []),
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365: ((102, 51), (1200, 596), (1164, 526), 12, ['QL-1060N', 'QL-1050']),
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366: ((102, 152), (1200, 1804), (1164, 1660), 12, ['QL-1060N', 'QL-1050']),
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362: ((12, -1), (142, 142), ( 94, 94), 113, []),
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363: ((24, -1), (284, 284), (236, 236), 42, []),
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273: ((58, -1), (688, 688), (618, 618), 51, []),
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}
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number_bytes_per_row = {
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'default': 90,
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'QL-1050': 162,
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'QL-1060N': 162,
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}
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right_margin_addition = {
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'default': 0,
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'QL-1050': 44,
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'QL-1060N': 44,
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}
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@@ -0,0 +1,120 @@
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import struct
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import packbits
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import numpy as np
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from devicedependent import models, \
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min_max_feed, \
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min_max_length_dots, \
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paper_dimensions, \
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number_bytes_per_row, \
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right_margin_addition
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class QLRaster(object):
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def __init__(self, model='QL-500'):
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if model not in models:
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raise QLRasterUnknownModel()
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self.model = model
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self.data = b''
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self._pquality = 1
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self.page_number = 0
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self.cut_at_end = True
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self.dpi_600 = False
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self.compression = True
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def initialize(self):
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self.page_number = 0
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self.data += b'\x1B\x69\x61\x01' # mode setting (raster mode)
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self.data += b'\x00' * 200
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self.data += b'\x1B\x40' # init
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self.data += b'\x1B\x69\x61\x01' # mode setting (raster mode)
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@property
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def mtype(self): return self._mtype
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@property
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def mwidth(self): return self._mwidth
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@property
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def mlength(self): return self._mlength
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@property
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def pquality(self): return self._pquality
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@mtype.setter
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def mtype(self, value):
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self._mtype = bytes([value & 0xFF])
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@mwidth.setter
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def mwidth(self, value):
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self._mwidth = bytes([value & 0xFF])
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@mlength.setter
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def mlength(self, value):
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self._mlength = bytes([value & 0xFF])
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@pquality.setter
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def pquality(self, value):
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self._pquality = bytes([value & 0x01])
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def set_media_and_quality(self, rnumber):
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self.data += b'\x1B\x69\x7A'
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valid_flags = 0x80
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valid_flags |= (self._mtype is not None) << 1
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valid_flags |= (self._mwidth is not None) << 2
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valid_flags |= (self._mlength is not None) << 3
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valid_flags |= self._pquality << 6
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self.data += bytes([valid_flags])
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vals = [self._mtype, self._mwidth, self._mlength]
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self.data += b''.join(b'\x00' if val is None else val for val in vals)
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self.data += struct.pack('<L', rnumber)
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self.data += bytes([self.page_number == 0])
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self.data += b'\x00'
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# INFO: media/quality (1B 69 7A) --> found! (payload: 8E 0A 3E 00 D2 00 00 00 00 00)
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def set_autocut(self, autocut = False):
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self.data += b'\x1B\x69\x4D'
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self.data += bytes([autocut << 6])
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def set_cut_every(self, n=1):
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self.data += b'\x1B\x69\x41'
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self.data += bytes([n & 0xFF])
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def set_expanded_mode(self):
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self.data += b'\x1B\x69\x4B'
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flags = 0x00
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flags |= self.cut_at_end << 3
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flags |= self.dpi_600 << 6
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self.data += bytes([flags])
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def set_margins(self, dots=0x23):
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self.data += b'\x1B\x69\x64'
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self.data += struct.pack('<H', dots)
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def set_compression(self, compression=True):
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self.compression = compression
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self.data += b'\x4D'
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self.data += bytes([compression << 1])
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def set_raster_data(self, np_array):
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""" np_array: numpy array of 1-bit values """
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np_array = np.fliplr(np_array)
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for row in np_array:
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self.data += b'\x67\x00'
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row = bytes(np.packbits(row))
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if self.compression:
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row = packbits.encode(row)
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self.data += bytes([len(row)])
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self.data += row
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def print(self, last_page=True):
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if last_page:
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self.data += b'\x1A'
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else:
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self.data += b'\x0C'
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class QLRasterError(Exception): pass
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class QLRasterUnknownModel(QLRasterError): pass
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