47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
|
#!/usr/bin/env python3
|
||
|
|
|
||
|
|
# We will use the inkex module with the predefined Effect base class.
|
||
|
|
import inkex
|
||
|
|
import measure
|
||
|
|
import re
|
||
|
|
from inkex.paths import Path
|
||
|
|
from inkex import paths
|
||
|
|
|
||
|
|
# The simplestyle module provides functions for style parsing.
|
||
|
|
from simplestyle import *
|
||
|
|
|
||
|
|
def getArea(path):
|
||
|
|
return abs(measure.csparea(paths.CubicSuperPath(path + "z")))
|
||
|
|
|
||
|
|
class LaserSort(inkex.Effect):
|
||
|
|
def __init__(self):
|
||
|
|
inkex.Effect.__init__(self)
|
||
|
|
|
||
|
|
def effect(self):
|
||
|
|
elements = self.document.xpath('//svg:path',namespaces=inkex.NSS)
|
||
|
|
for el in elements:
|
||
|
|
oldpathstring = el.attrib['d']
|
||
|
|
nodes = Path(oldpathstring).to_arrays()
|
||
|
|
currentSection = []
|
||
|
|
sections = [currentSection]
|
||
|
|
for node in nodes:
|
||
|
|
command = node.pop(0)
|
||
|
|
currentSection.append(command + ' ' + ' '.join(list(map(lambda c: ','.join(map(str, c)), node))))
|
||
|
|
if command.lower() == 'z':
|
||
|
|
currentSection = []
|
||
|
|
sections.append(currentSection)
|
||
|
|
|
||
|
|
sections = list(map(lambda n: ' '.join(n), filter(lambda n: len(n) > 0, sections)))
|
||
|
|
|
||
|
|
if (sections[-1][-2].lower() != 'z'):
|
||
|
|
nonClosedSection = ' ' + sections.pop()
|
||
|
|
else:
|
||
|
|
nonClosedSection = ''
|
||
|
|
|
||
|
|
sections = filter(lambda s: s[0].lower() != 'z', sections)
|
||
|
|
sections = sorted(sections, key=getArea)
|
||
|
|
newpathstring = "z ".join(sections) + nonClosedSection
|
||
|
|
el.set('d', newpathstring)
|
||
|
|
|
||
|
|
# Create effect instance and apply it.
|
||
|
|
LaserSort().run()
|