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brother_ql_analyze now supports .bin files for the QL-800 series

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Philipp Klaus
2017-09-16 12:15:43 +02:00
parent b60d140ff4
commit f2c7dbcbce
1 changed files with 51 additions and 10 deletions
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brother_ql/reader.py
+51 -10
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@@ -6,6 +6,7 @@ import logging
import sys import sys
from PIL import Image from PIL import Image
from PIL.ImageOps import colorize
import numpy as np import numpy as np
from builtins import bytes from builtins import bytes
@@ -17,10 +18,12 @@ OPCODES = {
b'\x00': ("preamble", -1, "Preamble, 200-300x 0x00 to clear comamnd buffer"), b'\x00': ("preamble", -1, "Preamble, 200-300x 0x00 to clear comamnd buffer"),
b'\x4D': ("compression", 1, ""), b'\x4D': ("compression", 1, ""),
b'\x67': ("raster", -1, ""), b'\x67': ("raster", -1, ""),
b'\x77': ("2-color raster", -1, ""),
b'\x0C': ("print", 0, "print intermediate page"), b'\x0C': ("print", 0, "print intermediate page"),
b'\x1A': ("print", 0, "print final page"), b'\x1A': ("print", 0, "print final page"),
b'\x1b\x40': ("init", 0, "initialization"), b'\x1b\x40': ("init", 0, "initialization"),
b'\x1b\x69\x61': ("mode setting", 1, ""), b'\x1b\x69\x61': ("mode setting", 1, ""),
b'\x1b\x69\x21': ("automatic status",1, ""),
b'\x1b\x69\x7A': ("media/quality", 10, "print-media and print-quality"), b'\x1b\x69\x7A': ("media/quality", 10, "print-media and print-quality"),
b'\x1b\x69\x4D': ("various", 1, "Auto cut flag in bit 7"), b'\x1b\x69\x4D': ("various", 1, "Auto cut flag in bit 7"),
b'\x1b\x69\x41': ("cut-every", 1, "cut every n-th page"), b'\x1b\x69\x41': ("cut-every", 1, "cut every n-th page"),
@@ -28,6 +31,7 @@ OPCODES = {
b'\x1b\x69\x64': ("margins", 2, ""), b'\x1b\x69\x64': ("margins", 2, ""),
b'\x1b\x69\x55\x77\x01': ('amedia', 127, "Additional media information command"), b'\x1b\x69\x55\x77\x01': ('amedia', 127, "Additional media information command"),
b'\x1b\x69\x55\x4A': ('jobid', 14, "Job ID setting command"), b'\x1b\x69\x55\x4A': ('jobid', 14, "Job ID setting command"),
b'\x1b\x69\x58\x47': ("request_config", 0, "Request transmission of .ini config file of printer"),
b'\x1b\x69\x53': ('status request', 0, "A status information request sent to the printer"), b'\x1b\x69\x53': ('status request', 0, "A status information request sent to the printer"),
b'\x80\x20\x42': ('status response',29, "A status response received from the printer"), b'\x80\x20\x42': ('status response',29, "A status response received from the printer"),
} }
@@ -136,7 +140,7 @@ def chunker(data, raise_exception=False):
opcode_def = OPCODES[opcode] opcode_def = OPCODES[opcode]
num_bytes = len(opcode) num_bytes = len(opcode)
if opcode_def[1] > 0: num_bytes += opcode_def[1] if opcode_def[1] > 0: num_bytes += opcode_def[1]
if opcode_def[0] == 'raster': if 'raster' in opcode_def[0]:
num_bytes += data[2] + 2 num_bytes += data[2] + 2
#payload = data[len(opcode):num_bytes] #payload = data[len(opcode):num_bytes]
instructions.append(data[:num_bytes]) instructions.append(data[:num_bytes])
@@ -212,7 +216,7 @@ def merge_specific_instructions(chunks, join_preamble=True, join_raster=True):
opcode = match_opcode(instruction) opcode = match_opcode(instruction)
if join_preamble and OPCODES[opcode][0] == 'preamble' and last_opcode == 'preamble': if join_preamble and OPCODES[opcode][0] == 'preamble' and last_opcode == 'preamble':
instruction_buffer += instruction instruction_buffer += instruction
elif join_raster and OPCODES[opcode][0] == 'raster' and last_opcode == 'raster': elif join_raster and 'raster' in OPCODES[opcode][0] and 'raster' in last_opcode:
instruction_buffer += instruction instruction_buffer += instruction
else: else:
if instruction_buffer: if instruction_buffer:
@@ -231,9 +235,13 @@ class BrotherQLReader(object):
self.brother_file = brother_file self.brother_file = brother_file
self.mwidth, self.mheight = None, None self.mwidth, self.mheight = None, None
self.raster_no = None self.raster_no = None
self.rows = [] self.black_rows = []
self.red_rows = []
self.compression = False self.compression = False
self.page = 1 self.page = 1
self.two_color_printing = False
self.cut_at_end = False
self.high_resolution_printing = False
def analyse(self): def analyse(self):
instructions = self.brother_file.read() instructions = self.brother_file.read()
@@ -244,12 +252,13 @@ class BrotherQLReader(object):
if opcode_def[0] == 'init': if opcode_def[0] == 'init':
self.mwidth, self.mheight = None, None self.mwidth, self.mheight = None, None
self.raster_no = None self.raster_no = None
self.rows = [] self.black_rows = []
self.red_rows = []
payload = instruction[len(opcode):] payload = instruction[len(opcode):]
logger.info(" {} ({}) --> found! (payload: {})".format(opcode_def[0], hex_format(opcode), hex_format(payload))) logger.info(" {} ({}) --> found! (payload: {})".format(opcode_def[0], hex_format(opcode), hex_format(payload)))
if opcode_def[0] == 'compression': if opcode_def[0] == 'compression':
self.compression = payload[0] == 0x02 self.compression = payload[0] == 0x02
if opcode_def[0] == 'raster': if 'raster' in opcode_def[0]:
rpl = bytes(payload[2:]) # raster payload rpl = bytes(payload[2:]) # raster payload
if self.compression: if self.compression:
row = bytes() row = bytes()
@@ -269,7 +278,19 @@ class BrotherQLReader(object):
if index >= len(rpl): break if index >= len(rpl): break
else: else:
row = rpl row = rpl
self.rows.append(row) if opcode_def[0] == 'raster':
self.black_rows.append(row)
else: # 2-color
if payload[0] == 0x01:
self.black_rows.append(row)
elif payload[0] == 0x02:
self.red_rows.append(row)
else:
raise NotImplementedError("color: 0x%x" % payload[0])
if opcode_def[0] == 'expanded':
self.two_color_printing = bool(payload[0] & (1 << 0))
self.cut_at_end = bool(payload[0] & (1 << 3))
self.high_resolution_printing = bool(payload[0] & (1 << 6))
if opcode_def[0] == 'media/quality': if opcode_def[0] == 'media/quality':
self.raster_no = struct.unpack('<L', payload[4:8])[0] self.raster_no = struct.unpack('<L', payload[4:8])[0]
self.mwidth = instruction[len(opcode) + 2] self.mwidth = instruction[len(opcode) + 2]
@@ -277,10 +298,30 @@ class BrotherQLReader(object):
fmt = " media width: {}mm, media length: {}mm, raster no: {}dots" fmt = " media width: {}mm, media length: {}mm, raster no: {}dots"
logger.info(fmt.format(self.mwidth, self.mlength, self.raster_no)) logger.info(fmt.format(self.mwidth, self.mlength, self.raster_no))
if opcode_def[0] == 'print': if opcode_def[0] == 'print':
size = (len(self.rows[0])*8, len(self.rows)) print("Len of black rows: ", len(self.black_rows))
data = bytes(b''.join(self.rows)) print("Len of red rows: ", len(self.red_rows))
data = bytes([2**8 + ~byte for byte in data]) # invert b/w def get_im(rows):
im = Image.frombytes("1", size, data, decoder_name='raw') if not len(rows): return None
size = (len(rows[0])*8, len(rows))
data = bytes(b''.join(rows))
data = bytes([2**8 + ~byte for byte in data]) # invert b/w
im = Image.frombytes("1", size, data, decoder_name='raw')
return im
im_black, im_red = (get_im(rows) for rows in (self.black_rows, self.red_rows))
if not self.two_color_printing:
im = im_black
else:
im = im_black.convert("RGBA")
im_red = im_red.convert("L")
im_red = colorize(im_red, (255, 0, 0), (255, 255, 255))
im_red = im_red.convert("RGBA")
pixdata = im_red.load()
width, height = im_red.size
for y in range(height):
for x in range(width):
if pixdata[x, y] == (255, 255, 255, 255):
pixdata[x, y] = (255, 255, 255, 0)
im.paste(im_red, (0, 0), im_red)
im = im.transpose(Image.FLIP_LEFT_RIGHT) im = im.transpose(Image.FLIP_LEFT_RIGHT)
img_name = 'page{:04d}.png'.format(self.page) img_name = 'page{:04d}.png'.format(self.page)
im.save(img_name) im.save(img_name)