44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
# coding=utf-8
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#
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# Copyright (C) 2010 Martin Owens
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#
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# Thanks to Lineaire Chez of Inkbar ( www.inkbar.lineaire.net )
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA.
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#
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"""
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Python barcode renderer for EAN13 barcodes. Designed for use with Inkscape.
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"""
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from .BaseEan import EanBarcode
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class Ean13(EanBarcode):
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"""Provide an Ean13 barcode generator"""
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name = "ean13"
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extras = {2: "Ean2", 5: "Ean5"}
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checks = [13]
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lengths = [12]
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def _encode(self, num, guide=False):
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"""Encode an ean13 barcode"""
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self.text = EanBarcode.space(num[0:1], 4, num[1:7], 5, num[7:], 7)
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if guide:
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self.text = self.text[:-4] + ">"
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return self.enclose(
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EanBarcode.encode_interleaved(num[0], num[1:7]),
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EanBarcode.encode_right(num[7:]),
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)
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