89 lines
2.8 KiB
Python
89 lines
2.8 KiB
Python
import os
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import barcode
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import datetime
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from PIL import Image
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from PIL import ImageDraw
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from PIL import ImageFont
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from brother_ql import BrotherQLRaster
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from brother_ql import create_label
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from brother_ql.backends import backend_factory
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from brother_ql.devicedependent import label_type_specs
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from barcode_helpers import BrotherLabelWriter
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def print_name_label(text, margin=10, rotate=False, label_type="62", printer_type="QL-700",):
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if not rotate:
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width, height = label_type_specs[label_type]['dots_printable']
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else:
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height, width = label_type_specs[label_type]['dots_printable']
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font_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "Stranger back in the Night.ttf")
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fs = 2000
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tw, th = width, height
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if width == 0:
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while th + 2*margin > height:
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font = ImageFont.truetype(font_path, fs)
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tw, th = font.getsize(text)
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fs -= 1
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width = tw+2*margin
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elif height == 0:
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while tw + 2*margin > width:
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font = ImageFont.truetype(font_path, fs)
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tw, th = font.getsize(text)
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fs -= 1
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height = th+2*margin
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else:
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while tw + 2*margin > width or th + 2*margin > height:
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print(fs)
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font = ImageFont.truetype(font_path, fs)
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tw, th = font.getsize(text)
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fs -= 1
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xp = (width//2)-(tw//2)
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yp = (height//2)-(th//2)
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im = Image.new("RGB", (width, height), (255, 255, 255))
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dr = ImageDraw.Draw(im)
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dr.text((xp, yp), text, fill=(0, 0, 0), font=font)
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now = datetime.datetime.now()
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date = now.strftime("%Y-%m-%d")
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dr.text((0, 0), date, fill=(0, 0, 0))
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base_path = os.path.dirname(os.path.realpath(__file__))
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fn = os.path.join(base_path, "bar_codes", text + ".png")
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im.save(fn, "PNG")
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print_image(fn, printer_type, label_type)
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def print_bar_code(barcode_value, barcode_text, barcode_type="ean13", rotate=False, printer_type="QL-700",
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label_type="62"):
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bar_coder = barcode.get_barcode_class(barcode_type)
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wr = BrotherLabelWriter(typ=label_type, rot=rotate, text=barcode_text, max_height=1000)
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test = bar_coder(barcode_value, writer=wr)
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base_path = os.path.dirname(os.path.realpath(__file__))
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fn = test.save(os.path.join(base_path, "bar_codes", barcode_value))
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print_image(fn, printer_type, label_type)
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def print_image(fn, printer_type="QL-700", label_type="62"):
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qlr = BrotherQLRaster(printer_type)
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qlr.exception_on_warning = True
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create_label(qlr, fn, label_type, threshold=70, cut=True)
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be = backend_factory("pyusb")
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list_available_devices = be['list_available_devices']
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BrotherQLBackend = be['backend_class']
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ad = list_available_devices()
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assert ad
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string_descr = ad[0]['string_descr']
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printer = BrotherQLBackend(string_descr)
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printer.write(qlr.data)
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