#!/usr/bin/env python
#
# Copyright (C) 2007 Martin Owens
#
# 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
#
"""
Inkscape's general barcode extension. Run from within inkscape or use the
Barcode module provided for outside or scripting.
"""

import inkex
import sys
from Barcode import getBarcode

class InsertBarcode(inkex.Effect):
	def __init__(self):
		inkex.Effect.__init__(self)
		self.OptionParser.add_option("-l", "--height",
						action="store", type="int",
						dest="height", default=30,
						help="Barcode Height")
		self.OptionParser.add_option("-t", "--type",
						action="store", type="string",
						dest="type", default='',
						help="Barcode Type")
		self.OptionParser.add_option("-d", "--text",
						action="store", type="string",
						dest="text", default='',
						help="Text to print on barcode")

	def effect(self):
		x, y = self.view_center
		bargen = getBarcode( self.options.type, {
			'text'     : self.options.text,
			'height'   : self.options.height,
			'document' : self.document,
			'x'        : x,
			'y'        : y,
			'scale'    : self.unittouu('1px'),
		} )
		if bargen is not None:
			barcode = bargen.generate()
			if barcode is not None:
				self.current_layer.append(barcode)
			else:
				sys.stderr.write("No barcode was generated\n")
		else:
			sys.stderr.write("Unable to make barcode with: " + str(self.options) + "\n")

if __name__ == '__main__':
        e = InsertBarcode()
        e.affect()