63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
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#!/usr/bin/env python3
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#
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# Copyright (C) 2020 Ellen Wasboe, ellen@wasbo.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 02110-1301, USA.
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"""
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Duplicate subpaths of all selected paths, reverse and join end nodes.
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"""
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import inkex
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class DuplicateReverseJoin(inkex.EffectExtension):
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def effect(self):
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for elem in self.svg.selection:
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pp=elem.path.to_absolute()
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dList=str(pp).split(' M')
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dFinal=''
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l=0
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for sub in dList:
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if l>0:
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origSub='M'+dList[l]
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else:
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origSub=dList[l]
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elem.path=origSub
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reSub=elem.path.reverse()
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if l>0:
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origSub=' '+origSub
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if origSub.find('Z') > -1:
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dRev=str(reSub).split(' ')
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strRev=''
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if dRev[3]=='L' and dRev[1]==dRev[4] and dRev[2]==dRev[5]:
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strRev=' '.join(dRev[0:3])+' '+' '.join(dRev[6:]) #avoid that reverse path duplicate first node
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else:
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strRev=' '.join(dRev)
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dFinal=dFinal+origSub+' '+strRev #keep original and reverse as separate closed paths
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if dRev[-1]!='Z':
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dFinal=dFinal+' Z'#avoid that reverse of closed path is open
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else:
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dRev=str(reSub).split(' ')
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dFinal=dFinal+origSub+' '+' '.join(dRev[3:])+' Z' #pop off M element of reverse path and add Z to close
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l+=1
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elem.path=dFinal
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if __name__ == '__main__':
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DuplicateReverseJoin().run()
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