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Sourcecode: inkscape version File versions

g2pngs.py

#!/usr/bin/env python 
'''
Copyright (C) 2006 cedric GEMY, cedric@le-radar.com

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

TODO :
specify save format, scale
save selected

RELEASE NOTE
- can export layers only as separate pngs 
- Default directory = $Home
- create the dest dir if doesn't exists

'''
import inkex
import sys, os, tempfile

class MyEffect(inkex.Effect):
        def __init__(self):
                inkex.Effect.__init__(self)
            self.OptionParser.add_option("-d", "--directory",
                                    action="store", type="string", 
                                    dest="directory", default=os.path.expanduser("~"),
                                    help="Existing destination directory")
            self.OptionParser.add_option("-l", "--layers",
                                    action="store", type="inkbool", 
                                    dest="layers", default=False,
                                    help="Save layers with their groups")
            '''self.OptionParser.add_option("-s", "--scale",
                                    action="store", type="float", 
                                    dest="scale", default=100,
                                    help="Scales the group at the specified value")
            self.OptionParser.add_option("-f", "--format",
                                    action="store", type="string", 
                                    dest="format", default="png",
                                    help="Save at the specified format [only PNG implemented yet]")   
            '''
      def output(self):
            pass
      
      def effect(self):
            svg_file = self.args[-1]
            node = inkex.xml.xpath.Evaluate('/svg',self.document)[0]
            '''docname = node.attributes.getNamedItemNS(inkex.NSS[u'sodipodi'],'docname').value[:-4]'''

            #create os temp dir
            '''tmp_dir = tempfile.mkdtemp()'''
            directory = self.options.directory
            """area = '--export-area-canvas'"""
            pngs = []
            if self.options.layers:
                  path = "/svg/*[name()='g' or @style][@id]"
            else:
                  path = "/svg/g/*[name()='g' or @style][@id]"
            
            for node in inkex.xml.xpath.Evaluate(path,self.document):
                  id = node.attributes.getNamedItem('id').value
                  name = "%s.png" % id
                  filename = os.path.join(directory, name)
                  command = "inkscape -i %s -e %s %s " % (id, filename, svg_file)
                  f = os.popen(command,'r')
                  f.read()
                  f.close()
                  pngs.append(filename)

e = MyEffect()
e.affect()

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