From 2b3715898e32d3ac2002cd4bb909e2aacab02971 Mon Sep 17 00:00:00 2001
From: Alvin Penner <penner@vaxxine.com>
Date: Wed, 3 Oct 2012 19:27:07 -0400
Subject: extensions. Extrude. allow selection of multiple objects (Bug
 1055155)

Fixed bugs:
  - https://launchpad.net/bugs/1055155

(bzr r11734)
---
 share/extensions/extrude.inx | 28 ++++++++--------
 share/extensions/extrude.py  | 79 ++++++++++++++++++++++----------------------
 2 files changed, 53 insertions(+), 54 deletions(-)

diff --git a/share/extensions/extrude.inx b/share/extensions/extrude.inx
index dfae5d825..02a1bd803 100644
--- a/share/extensions/extrude.inx
+++ b/share/extensions/extrude.inx
@@ -1,20 +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>
+	<_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="enum" _gui-text="Mode:">
-        <_item>Lines</_item>
-        <_item>Polygons</_item>
-    </param>
-    <effect>
+	<param name="mode" type="enum" _gui-text="Mode:">
+		<_item value="Lines">Lines</_item>
+		<_item value="Polygons">Polygons</_item>
+	</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>
+		<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
index 88ad26e49..0720ee24b 100755
--- a/share/extensions/extrude.py
+++ b/share/extensions/extrude.py
@@ -16,10 +16,10 @@ 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
+import inkex, simplepath, simpletransform, cubicsuperpath
+import gettext
+_ = gettext.gettext
 
 class Extrude(inkex.Effect):
     def __init__(self):
@@ -36,56 +36,55 @@ class Extrude(inkex.Effect):
         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')
+        if len(paths) < 2:
+            inkex.errormsg(_('Need at least 2 paths selected'))
             return
 
-
         pts = [cubicsuperpath.parsePath(paths[i].get('d'))
-               for i in (0,1)]
+               for i in range(len(paths))]
 
-        for i in (0,1):
+        for i in range(len(paths)):
             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)
+        for n1 in range(0, len(paths)):
+            for n2 in range(n1 + 1, len(paths)):
+                verts = []
+                for i in range(0, min(map(len, pts))):
+                    comp = []
+                    for j in range(0, min(len(pts[n1][i]), len(pts[n2][i]))):
+                        comp.append([pts[n1][i][j][1][-2:], pts[n2][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
+                if self.options.mode.lower() == 'lines':
                     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])]
+                    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')
-                    g.append(ele)
+                    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))
 
 
 if __name__ == '__main__':   #pragma: no cover
-- 
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