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- '''
- Copyright (C) 2007 Martin Owens
- Copyright (C) 2009 Aaron C Spike
-
- Thanks to Lineaire Chez of Inkbar ( www.inkbar.lineaire.net )
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- '''
-
- from Base import Barcode
- import sys
-
- mapLeftFamily = [
- [ "0001101","0011001","0010011","0111101","0100011","0110001","0101111","0111011","0110111","0001011" ], #L
- [ "0100111","0110011","0011011","0100001","0011101","0111001","0000101","0010001","0001001","0010111" ], #G
- ]
- mapFamily = [ '11000','10100','10010','10001','01100','00110','00011','01010','01001','00101' ]
-
- startBar = '01011';
- sepBar = '01';
-
- class Object(Barcode):
- def encode(self, number):
- result = []
- self.x += 110.0 # horizontal offset so it does not overlap EAN13
- self.y -= self.height + 5 # move the text to the top
- if len(number) != 5 or not number.isdigit():
- sys.stderr.write("Can not encode '" + number + "' into EAN5 Barcode, Size must be 5 numbers only\n")
- return
-
- check = self.getChecksum(number)
- family = mapFamily[check]
-
- for i in range(5):
- mapLeft = mapLeftFamily[int(family[i])]
- result.append(mapLeft[int(number[i])])
-
- self.label = number[0]
- for i in range(1,5):
- self.label += ' ' + number[i]
- self.inclabel = self.label
- return startBar + '01'.join(result)
-
- def getChecksum(self, number):
- return sum([int(n)*int(m) for n,m in zip(number, '39393')]) % 10
-
- def getStyle(self, index):
- result = { 'width' : '1', 'top' : int(self.y) + self.height + 5 + int(self.fontSize()), 'write' : True }
- if index==0: # White Space
- result['write'] = False
- elif index==1: # Black Bar
- result['height'] = int(self.height)
- elif index==2: # Guide Bar
- result['height'] = int(self.height) + 5
- return result
-