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

63 lines
1.9 KiB
Python

#!/usr/bin/env python3
#
# Copyright (C) 2020 Ellen Wasboe, ellen@wasbo.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
"""
Duplicate subpaths of all selected paths, reverse and join end nodes.
"""
import inkex
class DuplicateReverseJoin(inkex.EffectExtension):
def effect(self):
for elem in self.svg.selection:
pp=elem.path.to_absolute()
dList=str(pp).split(' M')
dFinal=''
l=0
for sub in dList:
if l>0:
origSub='M'+dList[l]
else:
origSub=dList[l]
elem.path=origSub
reSub=elem.path.reverse()
if l>0:
origSub=' '+origSub
if origSub.find('Z') > -1:
dRev=str(reSub).split(' ')
strRev=''
if dRev[3]=='L' and dRev[1]==dRev[4] and dRev[2]==dRev[5]:
strRev=' '.join(dRev[0:3])+' '+' '.join(dRev[6:]) #avoid that reverse path duplicate first node
else:
strRev=' '.join(dRev)
dFinal=dFinal+origSub+' '+strRev #keep original and reverse as separate closed paths
if dRev[-1]!='Z':
dFinal=dFinal+' Z'#avoid that reverse of closed path is open
else:
dRev=str(reSub).split(' ')
dFinal=dFinal+origSub+' '+' '.join(dRev[3:])+' Z' #pop off M element of reverse path and add Z to close
l+=1
elem.path=dFinal
if __name__ == '__main__':
DuplicateReverseJoin().run()