refactored dir structure, cleaned some inx files, removed unrequired deps

extensions/fablabchemnitz/viewbox/viewbox.inx

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+	<name>Set View Box</name>
+	<id>fablabchemnitz.de.setviewbox</id>
+	<effect>
+		<object-type>rect</object-type>
+		<effects-menu>
+			<submenu name="FabLab Chemnitz">
+				<submenu name="Legacy Tools"/>
+			</submenu>
+		</effects-menu>
+	</effect>
+	<script>
+		<command location="inx" interpreter="python">viewbox.py</command>
+	</script>
+</inkscape-extension>

extensions/fablabchemnitz/viewbox/viewbox.py

@@ -0,0 +1,69 @@
+#!/usr/bin/env python3
+
+# Copyright (c) 2012 Stuart Pernsteiner
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice,
+#    this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+#    this list of conditions and the following disclaimer in the documentation
+#    and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
+# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import sys
+import inkex
+from inkex import Transform
+
+class SetViewBoxEffect(inkex.EffectExtension):
+
+    def effect(self):
+        if len(self.svg.selected) != 1:
+            sys.exit("Error: You must select exactly one rectangle")
+        if list(self.svg.selected.items())[0][1].tag != inkex.addNS('rect','svg'):
+            sys.exit("Error: You must select exactly one rectangle")
+            
+        sel = None
+        for pathId in self.svg.selected:
+            sel = self.svg.selected[pathId]
+
+        mat = [[1,0,0],[0,1,0]]
+        cur = sel
+        while cur is not None:
+            curMat = Transform(cur.get('transform'))
+            mat = Transform(curMat) * Transform(mat)
+            cur = cur.getparent()
+
+        [x,y,w,h] = map(lambda attr: float(sel.get(attr)),
+                ['x','y','width','height'])
+    
+        (x1,y1) = transformPoint(mat, (x,y))
+        (x2,y2) = transformPoint(mat, (x+w,y+h))
+
+        ww = x2-x1
+        hh = y2-y1
+
+        root = self.svg.getElement('//svg:svg');
+        root.set('viewBox', '%f %f %f %f' % (x1,y1,ww,hh))
+        root.set('width', str(ww))
+        root.set('height', str(hh))
+
+def transformPoint(mat, pt):
+    pt2 = [pt[0], pt[1]]
+    Transform(mat).apply_to_point(pt2)
+    return (pt2[0], pt2[1])
+
+if __name__ == '__main__':
+    SetViewBoxEffect().run()