1 #!/usr/bin/env python
2 '''
3 Copyright (C) 2005,2007 Aaron Spike, aaron@ekips.org
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 '''
20 import inkex, os, base64, urlparse, urllib
21 import gettext
22 _ = gettext.gettext
24 class Embedder(inkex.Effect):
25 def __init__(self):
26 inkex.Effect.__init__(self)
27 self.OptionParser.add_option("-s", "--selectedonly",
28 action="store", type="inkbool",
29 dest="selectedonly", default=False,
30 help="embed only selected images")
32 def effect(self):
33 # if slectedonly is enabled and there is a selection only embed selected
34 # images. otherwise embed all images
35 if (self.options.selectedonly):
36 self.embedSelected(self.document, self.selected)
37 else:
38 self.embedAll(self.document)
40 def embedSelected(self, document, selected):
41 self.document=document
42 self.selected=selected
43 if (self.options.ids):
44 for id, node in selected.iteritems():
45 if node.tag == inkex.addNS('image','svg'):
46 self.embedImage(node)
48 def embedAll(self, document):
49 self.document=document #not that nice... oh well
50 path = '//svg:image'
51 for node in self.document.getroot().xpath(path, namespaces=inkex.NSS):
52 self.embedImage(node)
54 def embedImage(self, node):
55 xlink = node.get(inkex.addNS('href','xlink'))
56 if xlink is None or xlink[:5] != 'data:':
57 absref=node.get(inkex.addNS('absref','sodipodi'))
58 url=urlparse.urlparse(xlink)
59 href=urllib.url2pathname(url.path)
61 path=''
62 #path selection strategy:
63 # 1. href if absolute
64 # 2. realpath-ified href
65 # 3. absref, only if the above does not point to a file
66 if (href != None):
67 path=os.path.realpath(href)
68 if (not os.path.isfile(path)):
69 if (absref != None):
70 path=absref
72 path=unicode(path, "utf-8")
74 if (not os.path.isfile(path)):
75 inkex.errormsg(_('No xlink:href or sodipodi:absref attributes found, or they do not point to an existing file! Unable to embed image.'))
76 if path:
77 inkex.errormsg(_("Sorry we could not locate %s") % path)
79 if (os.path.isfile(path)):
80 file = open(path,"rb").read()
81 embed=True
82 if (file[:4]=='\x89PNG'):
83 type='image/png'
84 elif (file[:2]=='\xff\xd8'):
85 type='image/jpeg'
86 elif (file[:2]=='BM'):
87 type='image/bmp'
88 elif (file[:6]=='GIF87a' or file[:6]=='GIF89a'):
89 type='image/gif'
90 elif (file[:4]=='MM\x00\x2a' or file[:4]=='II\x2a\x00'):
91 type='image/tiff'
92 #ico files lack any magic... therefore we check the filename instead
93 elif(path.endswith('.ico')):
94 type='image/x-icon' #official IANA registered MIME is 'image/vnd.microsoft.icon' tho
95 else:
96 embed=False
97 if (embed):
98 node.set(inkex.addNS('href','xlink'), 'data:%s;base64,%s' % (type, base64.encodestring(file)))
99 if (absref != None):
100 del node.attrib[inkex.addNS('absref',u'sodipodi')]
101 else:
102 inkex.errormsg(_("%s is not of type image/png, image/jpeg, image/bmp, image/gif, image/tiff, or image/x-icon") % path)
104 if __name__ == '__main__':
105 e = Embedder()
106 e.affect()
109 # vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99