mightyscape-1.2/extensions/fablabchemnitz/convert_to_polylines/convert_to_polylines.py

49 lines
1.7 KiB
Python

#!/usr/bin/env python3
"""
Extension for InkScape 1.0
Converts curves to polylines - a quick and dirty helper for a lot of elements. Basically the same functionality can be done with default UI featureset but with a lot more mouse clicks
Author: Mario Voigt / FabLab Chemnitz
Mail: mario.voigt@stadtfabrikanten.org
Date: 05.09.2020
Last patch: 05.09.2020
License: GNU GPL v3
"""
import inkex
from inkex.paths import Path
class ConvertToPolylines(inkex.EffectExtension):
#convert a path (curve) to a polyline and remove dangling/duplicate/useless overlapping handles (points)
def convertPath(self, node):
if node.tag == inkex.addNS('path','svg'):
polypath = []
i = 0
for x, y in node.path.end_points:
if i == 0:
polypath.append(['M', [x,y]])
else:
polypath.append(['L', [x,y]])
if i == 1 and polypath[len(polypath)-2][1] == polypath[len(polypath)-1][1]:
polypath.pop(len(polypath)-1) #special handling for the seconds point after M command
elif polypath[len(polypath)-2] == polypath[len(polypath)-1]: #get the previous point
polypath.pop(len(polypath)-1)
i += 1
node.set('d', str(Path(polypath)))
children = node.getchildren()
if children is not None:
for child in children:
self.convertPath(child)
def effect(self):
if len(self.svg.selected) == 0:
self.convertPath(self.document.getroot())
else:
for id, item in self.svg.selected.items():
self.convertPath(item)
if __name__ == '__main__':
ConvertToPolylines().run()