89 lines
3.9 KiB
Python
89 lines
3.9 KiB
Python
#!/usr/bin/env python3
|
|
'''
|
|
An extension to generate SVG files from plt files (Niklas Roy/Kai Hyyppä from Vektorkollektor)
|
|
|
|
Made by FabLab Chemnitz / Stadtfabrikanten e.V. - Developer: Mario Voigt (year 2021)
|
|
|
|
Vektorkollektor Team: Kati Hyyppa [http://katihyyppa.com] & Niklas Roy [https://niklasroy.com]
|
|
http://vektorkollektor.com
|
|
'''
|
|
|
|
import os
|
|
import urllib.request
|
|
from lxml import etree
|
|
import inkex
|
|
from inkex import PathElement, Path
|
|
import re
|
|
from ast import literal_eval
|
|
|
|
class Vektorkollektor(inkex.EffectExtension):
|
|
|
|
def add_arguments(self, pars):
|
|
pars.add_argument("--tab")
|
|
pars.add_argument("--vk_url", default="http://www.vektorkollektor.com/vektordaten/vektorkollektor.js")
|
|
pars.add_argument("--vk_id", type=int, default=1)
|
|
|
|
def effect(self):
|
|
# Adjust the document view for the desired sticker size
|
|
root = self.svg.getElement("//svg:svg")
|
|
|
|
#clean the document (make it blank) to avoid printing duplicated things
|
|
ct = 0
|
|
for node in self.document.xpath('//*', namespaces=inkex.NSS):
|
|
ct = ct + 1
|
|
if ct > 3: #we keep svg:svg, sodipodi:namedview and svg:defs which defines the default canvas without any content inside
|
|
#inkex.errormsg(str(node))
|
|
try:
|
|
root.remove(node)
|
|
except Exception as e:
|
|
pass
|
|
|
|
#set the document units
|
|
self.document.getroot().find(inkex.addNS("namedview", "sodipodi")).set("inkscape:document-units", "px")
|
|
|
|
# Download the recent vektorkollektor data file and parse it
|
|
handler = urllib.request.HTTPBasicAuthHandler()
|
|
opener = urllib.request.build_opener(handler)
|
|
|
|
try:
|
|
xP = [] #x-coordinate
|
|
yP = [] #y-coordinate
|
|
cP = [] #draw
|
|
fN = [] #original vektorkollektor .PLT file number
|
|
|
|
vkData = opener.open(self.options.vk_url).read().decode("utf-8")
|
|
urllib.request.install_opener(opener)
|
|
for match in re.compile(r"""^var xP = .*;""", re.MULTILINE).finditer(vkData):
|
|
xP = literal_eval(match.group(0).split("var xP = ")[1].split(";")[0])
|
|
for match in re.compile(r"""^var yP = .*;""", re.MULTILINE).finditer(vkData):
|
|
yP = literal_eval(match.group(0).split("var yP = ")[1].split(";")[0])
|
|
for match in re.compile(r"""^var cP = .*;""", re.MULTILINE).finditer(vkData):
|
|
cP = literal_eval(match.group(0).split("var cP = ")[1].split(";")[0])
|
|
for match in re.compile(r"""^var fN = .*;""", re.MULTILINE).finditer(vkData):
|
|
fN = literal_eval(match.group(0).split("var fN = ")[1].split(";")[0])
|
|
|
|
vkGroup = self.document.getroot().add(inkex.Group(id="vektorkollektor-{}".format(self.options.vk_id)))
|
|
for move in range(0, len(fN)):
|
|
begin = None
|
|
end = None
|
|
if fN[move] == self.options.vk_id:
|
|
if cP[move] == 0: #pen up (reset)
|
|
begin = None
|
|
end = None
|
|
#self.msg("xP={}, yP={}, pen up".format(xP[move], yP[move]))
|
|
if cP[move] == 1:#pen down
|
|
begin = [xP[move-1], yP[move-1]]
|
|
end = [xP[move], yP[move]]
|
|
#self.msg("xP={}, yP={}, pen down".format(xP[move], yP[move]))
|
|
if begin is not None and end is not None:
|
|
newLine = PathElement(id="vkLine-{}".format(move))
|
|
newLine.path = Path("M {},{} L {},{}".format(begin[0], begin[1], end[0], end[1]))
|
|
newLine.style = "fill:none;stroke:#000000;stroke-width:1;stroke-linecap:round"
|
|
vkGroup.append(newLine)
|
|
|
|
except Exception as e:
|
|
inkex.errormsg(e)
|
|
|
|
if __name__ == "__main__":
|
|
Vektorkollektor().run()
|