Philipp Klaus
73 lines
1.9 KiB
Python
Executable File
73 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python
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from __future__ import division
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import sys, argparse, logging
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import numpy as np
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from PIL import Image
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from brother_ql.raster import BrotherQLRaster
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try:
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stdout = sys.stdout.buffer
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except:
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stdout = sys.stdout
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def hex_format(data):
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return ' '.join('{:02X}'.format(byte) for byte in data)
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def multiline_hex(data, bpl):
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""" data: bytes, bpl: int (bytes to be displayed per line) """
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data = hex_format(data).split()
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data = [' '.join(data[i:i+bpl]) for i in range(0, len(data), bpl)]
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return '\n'.join(data) + '\n'
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('image')
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parser.add_argument('outfile', nargs='?', type=argparse.FileType('wb'), default=stdout)
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parser.add_argument('--model', default='QL-500')
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parser.add_argument('--threshold', type=int, default=170)
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parser.add_argument('--loglevel', type=lambda x: getattr(logging, x), default=logging.WARNING)
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args = parser.parse_args()
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logging.basicConfig(level=args.loglevel)
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im = Image.open(args.image)
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im = im.convert("L")
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arr = np.asarray(im, dtype=np.uint8)
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arr.flags.writeable = True
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white_idx = arr[:,:] < args.threshold
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black_idx = arr[:,:] >= args.threshold
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arr[white_idx] = 1
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arr[black_idx] = 0
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qlr = BrotherQLRaster(args.model)
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qlr.set_mode()
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qlr.set_clear_command_buffer()
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qlr.set_initialize()
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qlr.set_mode()
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qlr.mtype = 0x0A
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qlr.mwidth = 62
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qlr.mlength = 0
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qlr.set_media_and_quality(im.size[1])
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qlr.set_autocut(True)
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qlr.set_cut_every(1)
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qlr.dpi_600 = False
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qlr.cut_at_end = True
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qlr.set_expanded_mode()
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qlr.set_margins()
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qlr.set_compression(True)
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qlr.set_raster_data(arr)
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qlr.print_cmd()
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if args.loglevel == logging.DEBUG:
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sys.stderr.write(multiline_hex(qlr.data, 16))
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args.outfile.write(qlr.data)
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if __name__ == "__main__":
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main()
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