extractimage.py revision 659d437ab1fa196d010c1e92b009b608b8e8b086
#!/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 inkex, base64, os
class MyEffect(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.OptionParser.add_option("--desc")
self.OptionParser.add_option("--filepath",
action="store", type="string",
dest="filepath", default=None,
help="")
def effect(self):
mimesubext={
'png' :'.png',
'bmp' :'.bmp',
'jpeg':'.jpg',
'jpg' :'.jpg', #bogus mime
'icon':'.ico',
'gif' :'.gif'
}
# exbed the first embedded image
path = self.options.filepath
if (path != ''):
if (self.options.ids):
for id, node in self.selected.iteritems():
if node.tag == inkex.addNS('image','svg'):
xlink = node.get(inkex.addNS('href','xlink'))
if (xlink[:4]=='data'):
comma = xlink.find(',')
if comma>0:
#get extension
fileext=''
semicolon = xlink.find(';')
if semicolon>0:
for sub in mimesubext.keys():
if sub in xlink[5:semicolon]:
fileext=mimesubext[sub]
path=path+fileext;
break
#save
data = base64.decodestring(xlink[comma:])
open(path,'wb').write(data)
node.set(inkex.addNS('href','xlink'),os.path.realpath(path)) #absolute for making in-mem cycles work
else:
inkex.debug('Difficulty finding the image data.')
break
e = MyEffect()
e.affect()