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mightyscape-1.1-deprecated/extensions/fablabchemnitz/close_paths.py

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#!/usr/bin/env python3
"""
Copyright (C) 2009 Nick Drobchenko, nick@cnc-club.ru
based on gcode.py (C) 2007 hugomatic...
based on addnodes.py (C) 2005,2007 Aaron Spike, aaron@ekips.org
based on dots.py (C) 2005 Aaron Spike, aaron@ekips.org
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
"""
#
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# This extension close paths by adding 'z' before each 'm' if it is not the first 'm' and it is not prepended by 'z' already.
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#
import inkex
import re
from inkex.paths import Path
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class CloseCurves(inkex.EffectExtension):
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def effect(self):
for id, node in self.svg.selected.items():
if node.tag == inkex.addNS('path','svg'):
d = node.get('d')
d = str(Path((Path(d).to_arrays())))
d = re.sub(r'(?i)(m[^mz]+)',r'\1 Z ',d)
d = re.sub(r'(?i)\s*z\s*z\s*',r' Z ',d)
node.set('d', d)
if __name__ == '__main__':
CloseCurves().run()