From 2a8da5bd8f757b218f0a9e9826a7afea16e7a773 Mon Sep 17 00:00:00 2001
From: ishmal <ishmal@users.sourceforge.net>
Date: Thu, 14 Aug 2008 20:17:59 +0000
Subject: [PATCH] Add new extrude

---
 share/extensions/extrude.inx | 20 ++++++++
 share/extensions/extrude.py  | 92 ++++++++++++++++++++++++++++++++++++
 share/extensions/motion.inx  |  2 +-
 3 files changed, 113 insertions(+), 1 deletion(-)
 create mode 100644 share/extensions/extrude.inx
 create mode 100644 share/extensions/extrude.py

diff --git a/share/extensions/extrude.inx b/share/extensions/extrude.inx
new file mode 100644
index 000000000..ee5fa9c2e
--- /dev/null
+++ b/share/extensions/extrude.inx
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+    <_name>Extrude</_name>
+    <id>org.greygreen.inkscape.effects.extrude</id>
+	<dependency type="executable" location="extensions">extrude.py</dependency>
+	<dependency type="executable" location="extensions">inkex.py</dependency>
+  <param name="mode" type="optiongroup" _gui-text="Mode:">
+     <option>Lines</option>
+     <option>Polygons</option>
+  </param>
+    <effect>
+		<object-type>path</object-type>
+                <effects-menu>
+                    <submenu _name="Generate from Path"/>
+                </effects-menu>
+    </effect>
+    <script>
+        <command reldir="extensions" interpreter="python">extrude.py</command>
+    </script>
+</inkscape-extension>
diff --git a/share/extensions/extrude.py b/share/extensions/extrude.py
new file mode 100644
index 000000000..e1056bdfe
--- /dev/null
+++ b/share/extensions/extrude.py
@@ -0,0 +1,92 @@
+#!/usr/bin/env python 
+'''
+Copyright (C) 2007
+
+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 sys, os
+sys.path.append(os.path.dirname(sys.argv[0]))  #?
+
+import inkex, simplepath, simpletransform, sys, cubicsuperpath
+
+class Extrude(inkex.Effect):
+    def __init__(self):
+        inkex.Effect.__init__(self)
+        opts = [('-m', '--mode', 'string', 'mode', 'Lines',
+                 'Join paths with lines or polygons'),
+                ]
+        for o in opts:
+            self.OptionParser.add_option(o[0], o[1], action="store", type=o[2],
+                                         dest=o[3], default=o[4], help=o[5])
+
+    def effect(self):
+        paths = []
+        for id, node in self.selected.iteritems():
+            if node.tag == '{http://www.w3.org/2000/svg}path':
+                paths.append(node)
+                if len(paths) == 2:
+                    break
+        else:
+            sys.stderr.write('Need 2 paths selected\n')
+            return
+
+
+        pts = [cubicsuperpath.parsePath(paths[i].get('d'))
+               for i in (0,1)]
+
+        for i in (0,1):
+            if 'transform' in paths[i].keys():
+                trans = paths[i].get('transform')
+                trans = simpletransform.parseTransform(trans)
+                simpletransform.applyTransformToPath(trans, pts[i])
+
+        verts = []
+        for i in range(0, min(map(len, pts))):
+            comp = []
+            for j in range(0, min(len(pts[0][i]), len(pts[1][i]))):
+                comp.append([pts[0][i][j][1][-2:], pts[1][i][j][1][-2:]])
+            verts.append(comp)
+
+        if self.options.mode.lower() == 'lines':
+            line = []
+            for comp in verts:
+                for n,v in enumerate(comp):
+                  line += [('M', v[0])]
+                  line += [('L', v[1])]
+            ele = inkex.etree.Element('{http://www.w3.org/2000/svg}path')
+            paths[0].xpath('..')[0].append(ele)
+            ele.set('d', simplepath.formatPath(line))
+            ele.set('style', 'fill:none;stroke:#000000;stroke-opacity:1;stroke-width:1;')
+        elif self.options.mode.lower() == 'polygons':
+            g = inkex.etree.Element('{http://www.w3.org/2000/svg}g')
+            g.set('style', 'fill:#000000;stroke:#000000;fill-opacity:0.3;stroke-width:2;stroke-opacity:0.6;')   
+            paths[0].xpath('..')[0].append(g)
+            for comp in verts:
+                for n,v in enumerate(comp):
+                    nn = n+1
+                    if nn == len(comp): nn = 0
+                    line = []
+                    line += [('M', comp[n][0])]
+                    line += [('L', comp[n][1])]
+                    line += [('L', comp[nn][1])]
+                    line += [('L', comp[nn][0])]
+                    line += [('L', comp[n][0])]
+                    ele = inkex.etree.Element('{http://www.w3.org/2000/svg}path')
+                    g.append(ele)
+                    ele.set('d', simplepath.formatPath(line))
+                         
+
+e = Extrude()
+e.affect()
diff --git a/share/extensions/motion.inx b/share/extensions/motion.inx
index c2155a428..effeb3937 100644
--- a/share/extensions/motion.inx
+++ b/share/extensions/motion.inx
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
-    <_name>Extrude</_name>
+    <_name>Motion</_name>
     <id>org.ekips.filter.motion</id>
 	<dependency type="executable" location="extensions">motion.py</dependency>
 	<dependency type="executable" location="extensions">inkex.py</dependency>
-- 
2.30.2