From: acspike <acspike@users.sourceforge.net>
Date: Wed, 8 Feb 2006 13:54:22 +0000 (+0000)
Subject: Add unit conversion.
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=4197d99c29cdbf6d0eb84306890af8f0e2ecf005;p=inkscape.git

Add unit conversion.
---

diff --git a/share/extensions/dxf_outlines.py b/share/extensions/dxf_outlines.py
index a23949ee8..cb68ef4d6 100755
--- a/share/extensions/dxf_outlines.py
+++ b/share/extensions/dxf_outlines.py
@@ -16,7 +16,25 @@ 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 inkex, simplepath, cubicsuperpath
+import inkex, simplepath, cubicsuperpath, re
+
+uuconv = {'in':90.0, 'pt':1.25, 'px':1, 'mm':3.5433070866, 'cm':35.433070866, 'pc':15.0}
+def unittouu(string):
+	unit = re.compile('(%s)$' % '|'.join(uuconv.keys()))
+	param = re.compile(r'(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)')
+
+	p = param.match(string)
+	u = unit.search(string)	
+	if p:
+		retval = float(p.string[p.start():p.end()])
+	else:
+		retval = 0.0
+	if u:
+		try:
+			return retval * uuconv[u.string[u.start():u.end()]]
+		except KeyError:
+			pass
+	return retval
 
 class MyEffect(inkex.Effect):
     def __init__(self):
@@ -45,7 +63,7 @@ class MyEffect(inkex.Effect):
         self.dxf_add("999\nDXF created by Inkscape\n0\nSECTION\n2\nENTITIES")
         
         scale = 5.0/18.0
-        h = float(inkex.xml.xpath.Evaluate('/svg/@height',self.document)[0].value)
+        h = unittouu(inkex.xml.xpath.Evaluate('/svg/@height',self.document)[0].value)
 
         path = '//path'
         for node in inkex.xml.xpath.Evaluate(path,self.document):