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mightyscape-1.1-deprecated/extensions/fablabchemnitz_sieve.py
2020-08-02 23:21:48 +02:00

43 lines
1.6 KiB
Python

#!/usr/bin/env python3
import inkex
import svgpathtools
def isclosedac(p):
return abs(p.start-p.end) < 1e-6
class Sieve(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.arg_parser.add_argument('--unit')
self.arg_parser.add_argument('--area', type=float, help='Remove paths with an area smaller than this value')
def effect(self):
namedView = self.document.getroot().find(inkex.addNS('namedview', 'sodipodi'))
doc_units = namedView.get(inkex.addNS('document-units', 'inkscape'))
#inkex.utils.debug("document unit is " + doc_units)
self.options.area = self.svg.unittouu(str(self.options.area) + doc_units)
unit_factor = 1.0 / self.svg.uutounit(1.0,self.options.unit)
#inkex.utils.debug("unit_factor is " + str(unit_factor))
if self.options.area == 0:
return
for path in self.document.xpath("//svg:path", namespaces=inkex.NSS):
try:
parsed_path = svgpathtools.parse_path(path.attrib["d"])
if not isclosedac(parsed_path):
continue
area = parsed_path.area()
#inkex.utils.debug(area) #print calculated area with document units
#inkex.utils.debug(str(self.options.area * (unit_factor * unit_factor))) #print threshold area with selected units
if area < (self.options.area * (unit_factor * unit_factor)):
path.getparent().remove(path)
except:
pass
if __name__ == '__main__':
Sieve().run()