From d9efea5afd4e2a17b58135bbcf328b19c54684bc Mon Sep 17 00:00:00 2001
From: Mario Voigt <mario.voigt@stadtfabrikanten.org>
Date: Wed, 4 Aug 2021 02:02:12 +0200
Subject: [PATCH] added Vektorkollektor contribution

---
 .../vektorkollektor/vektorkollektor.inx       | 46 ++++++++++
 .../vektorkollektor/vektorkollektor.py        | 88 +++++++++++++++++++
 2 files changed, 134 insertions(+)
 create mode 100644 extensions/fablabchemnitz/vektorkollektor/vektorkollektor.inx
 create mode 100644 extensions/fablabchemnitz/vektorkollektor/vektorkollektor.py

diff --git a/extensions/fablabchemnitz/vektorkollektor/vektorkollektor.inx b/extensions/fablabchemnitz/vektorkollektor/vektorkollektor.inx
new file mode 100644
index 00000000..b04effd4
--- /dev/null
+++ b/extensions/fablabchemnitz/vektorkollektor/vektorkollektor.inx
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+    <name>Vektorkollektor</name>
+    <id>fablabchemnitz.de.vektorkollektor</id>
+    <param name="tab" type="notebook">
+        <page name="tab_settings" gui-text="Settings">
+            <param name="vk_url" type="string" gui-text="Data URL" gui-description="default: http://www.vektorkollektor.com/vektordaten/vektorkollektor.js">http://www.vektorkollektor.com/vektordaten/vektorkollektor.js</param>
+            <param name="vk_id" type="int" gui-text="Vektorkollektor ID" min="0" max="99999" gui-description="The desired Vektorkolletor drawing ID">0</param>
+        </page>
+        <page name="tab_about" gui-text="About">
+            <label appearance="header">Vektorkollektor</label>
+            <label>This extension generates SVG data from given plt data.</label>
+            <label>2021 / written by Mario Voigt (Stadtfabrikanten e.V. / FabLab Chemnitz)</label>
+            <spacer/>
+            <label appearance="header">Online Documentation</label>
+            <label appearance="url">https://y.stadtfabrikanten.org/vektorkollektor</label>
+            <spacer/>
+            <label appearance="header">Contributing</label>
+            <label appearance="url">https://gitea.fablabchemnitz.de/FabLab_Chemnitz/mightyscape-1.X</label>
+            <label appearance="url">mailto:mario.voigt@stadtfabrikanten.org</label>
+            <spacer/>
+            <label appearance="header">MightyScape Extension Collection</label>
+            <label>This piece of software is part of the MightyScape for Inkscape Extension Collection and is licensed under GNU GPL v3</label>
+            <label appearance="url">https://y.stadtfabrikanten.org/mightyscape-overview</label>
+        </page>
+        <page name="tab_donate" gui-text="Donate">
+            <label appearance="header">Coffee + Pizza</label>
+            <label>We are the Stadtfabrikanten, running the FabLab Chemnitz since 2016. A FabLab is an open workshop that gives people access to machines and digital tools like 3D printers, laser cutters and CNC milling machines.</label>
+            <spacer/>           
+            <label>You like our work and want to support us? You can donate to our non-profit organization by different ways:</label>
+            <label appearance="url">https://y.stadtfabrikanten.org/donate</label>
+            <spacer/>
+            <label>Thanks for using our extension and helping us!</label>
+            <image>../000_about_fablabchemnitz.svg</image>
+        </page>
+    </param>
+    <effect>
+        <object-type>all</object-type>
+        <effects-menu>
+            <submenu name="FabLab Chemnitz"/>
+        </effects-menu>
+    </effect>
+    <script>
+        <command location="inx" interpreter="python">vektorkollektor.py</command>
+    </script>
+</inkscape-extension>
\ No newline at end of file
diff --git a/extensions/fablabchemnitz/vektorkollektor/vektorkollektor.py b/extensions/fablabchemnitz/vektorkollektor/vektorkollektor.py
new file mode 100644
index 00000000..7fc530d2
--- /dev/null
+++ b/extensions/fablabchemnitz/vektorkollektor/vektorkollektor.py
@@ -0,0 +1,88 @@
+#!/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()