share/extensions/g2pngs.py

   1 #!/usr/bin/env python
   2 '''
   3 Copyright (C) 2006 cedric GEMY, cedric@le-radar.com
   4
   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.
   9
  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.
  14
  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
  19 TODO :
  20 specify save format, scale
  21 save selected
  22
  23 RELEASE NOTE
  24 - can export layers only as separate pngs
  25 - Default directory = $Home
  26 - create the dest dir if doesn't exists
  27
  28 '''
  29 import inkex
  30 import sys, os, tempfile
  31
  32 class MyEffect(inkex.Effect):
  33         def __init__(self):
  34                 inkex.Effect.__init__(self)
  35                 self.OptionParser.add_option("-d", "--directory",
  36                                                 action="store", type="string",
  37                                                 dest="directory", default=os.path.expanduser("~"),
  38                                                 help="Existing destination directory")
  39                 self.OptionParser.add_option("-l", "--layers",
  40                                                 action="store", type="inkbool",
  41                                                 dest="layers", default=False,
  42                                                 help="Save layers with their groups")
  43                 '''self.OptionParser.add_option("-s", "--scale",
  44                                                 action="store", type="float",
  45                                                 dest="scale", default=100,
  46                                                 help="Scales the group at the specified value")
  47                 self.OptionParser.add_option("-f", "--format",
  48                                                 action="store", type="string",
  49                                                 dest="format", default="png",
  50                                                 help="Save at the specified format [only PNG implemented yet]")
  51                 '''
  52         def output(self):
  53                 pass
  54
  55         def effect(self):
  56                 svg_file = self.args[-1]
  57                 node = inkex.xml.xpath.Evaluate('/svg',self.document)[0]
  58                 '''docname = node.attributes.getNamedItemNS(inkex.NSS[u'sodipodi'],'docname').value[:-4]'''
  59
  60                 #create os temp dir
  61                 '''tmp_dir = tempfile.mkdtemp()'''
  62                 directory = self.options.directory
  63                 """area = '--export-area-canvas'"""
  64                 pngs = []
  65                 if self.options.layers:
  66                         path = "/svg/*[name()='g' or @style][@id]"
  67                 else:
  68                         path = "/svg/g/*[name()='g' or @style][@id]"
  69
  70                 for node in inkex.xml.xpath.Evaluate(path,self.document):
  71                         id = node.attributes.getNamedItem('id').value
  72                         name = "%s.png" % id
  73                         filename = os.path.join(directory, name)
  74                         command = "inkscape -i %s -e %s %s " % (id, filename, svg_file)
  75                         f = os.popen(command,'r')
  76                         f.read()
  77                         f.close()
  78                         pngs.append(filename)
  79
  80 e = MyEffect()
  81 e.affect()