1 files changed, 65 insertions, 0 deletions
diff --git a/share/extensions/radiusrand.py b/share/extensions/radiusrand.py
new file mode 100755
index 000000000..97e9aed41
--- /dev/null
+++ b/share/extensions/radiusrand.py
@@ -0,0 +1,65 @@
+#!/usr/bin/env python 
+'''
+Copyright (C) 2005 Aaron Spike, aaron@ekips.org
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+'''
+import random, math, inkex, cubicsuperpath
+
+def randomize((x, y), r):
+	r = random.uniform(0.0,r)
+	a = random.uniform(0.0,2*math.pi)
+	x += math.cos(a)*r
+	y += math.sin(a)*r
+	return [x, y]
+
+class RadiusRandomize(inkex.Effect):
+	def __init__(self):
+		inkex.Effect.__init__(self)
+		self.OptionParser.add_option("-r", "--radius",
+						action="store", type="float", 
+						dest="radius", default=10.0,
+						help="Randomly move control and end points in this radius")
+		self.OptionParser.add_option("-c", "--ctrl",
+						action="store", type="inkbool", 
+						dest="ctrl", default=True,
+						help="Randomize control points")
+		self.OptionParser.add_option("-e", "--end",
+						action="store", type="inkbool", 
+						dest="end", default=True,
+						help="Randomize nodes")
+	def effect(self):
+		for id, node in self.selected.iteritems():
+			if node.tagName == 'path':
+				d = node.attributes.getNamedItem('d')
+				p = cubicsuperpath.parsePath(d.value)
+				for subpath in p:
+					for csp in subpath:
+						if self.options.end:
+							delta=randomize([0,0], self.options.radius)
+							csp[0][0]+=delta[0] 
+							csp[0][1]+=delta[1] 
+							csp[1][0]+=delta[0] 
+							csp[1][1]+=delta[1] 
+							csp[2][0]+=delta[0] 
+							csp[2][1]+=delta[1] 
+						if self.options.ctrl:
+							csp[0]=randomize(csp[0], self.options.radius)
+							csp[2]=randomize(csp[2], self.options.radius)
+				d.value = cubicsuperpath.formatPath(p)
+
+e = RadiusRandomize()
+e.affect()
+