embedimage.py revision d5a7b3a6d34e9acfb667a16be92b46f684182d08
#!/usr/bin/env python
'''
Copyright (C) 2005,2007 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, os, base64, urlparse, urllib
import gettext
_ = gettext.gettext
class Embedder(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.OptionParser.add_option("-s", "--selectedonly",
action="store", type="inkbool",
dest="selectedonly", default=False,
help="embed only selected images")
def effect(self):
# if slectedonly is enabled and there is a selection only embed selected
# images. otherwise embed all images
if (self.options.selectedonly):
self.embedSelected(self.document, self.selected)
else:
self.embedAll(self.document)
def embedSelected(self, document, selected):
self.document=document
self.selected=selected
if (self.options.ids):
for id, node in selected.iteritems():
if node.tag == inkex.addNS('image','svg'):
self.embedImage(node)
def embedAll(self, document):
self.document=document #not that nice... oh well
path = '//svg:image'
for node in self.document.getroot().xpath(path, namespaces=inkex.NSS):
self.embedImage(node)
def embedImage(self, node):
xlink = node.get(inkex.addNS('href','xlink'))
if xlink is None or xlink[:5] != 'data:':
absref=node.get(inkex.addNS('absref','sodipodi'))
url=urlparse.urlparse(xlink)
href=urllib.url2pathname(url.path)
path=''
#path selection strategy:
# 1. href if absolute
# 2. realpath-ified href
# 3. absref, only if the above does not point to a file
if (href != None):
path=os.path.realpath(href)
if (not os.path.isfile(path)):
if (absref != None):
path=absref
path=unicode(path, "utf-8")
if (not os.path.isfile(path)):
inkex.errormsg(_('No xlink:href or sodipodi:absref attributes found, or they do not point to an existing file! Unable to embed image.'))
if path:
inkex.errormsg(_("Sorry we could not locate %s") % path)
if (os.path.isfile(path)):
file = open(path,"rb").read()
embed=True
if (file[:4]=='\x89PNG'):
type='image/png'
elif (file[:2]=='\xff\xd8'):
type='image/jpeg'
elif (file[:2]=='BM'):
type='image/bmp'
elif (file[:6]=='GIF87a' or file[:6]=='GIF89a'):
type='image/gif'
elif (file[:4]=='MM\x00\x2a' or file[:4]=='II\x2a\x00'):
type='image/tiff'
#ico files lack any magic... therefore we check the filename instead
elif(path.endswith('.ico')):
type='image/x-icon' #official IANA registered MIME is 'image/vnd.microsoft.icon' tho
else:
embed=False
if (embed):
node.set(inkex.addNS('href','xlink'), 'data:%s;base64,%s' % (type, base64.encodestring(file)))
if (absref != None):
del node.attrib[inkex.addNS('absref',u'sodipodi')]
else:
inkex.errormsg(_("%s is not of type image/png, image/jpeg, image/bmp, image/gif, image/tiff, or image/x-icon") % path)
if __name__ == '__main__':
e = Embedder()
e.affect()
# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99