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jessyInk_effects.py

#!/usr/bin/env python
# Copyright 2008, 2009 Hannes Hochreiner
# 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 3 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, see http://www.gnu.org/licenses/.

# These lines are only needed if you don't put the script directly into
# the installation directory
import sys
# Unix
sys.path.append('/usr/share/inkscape/extensions')
# OS X
sys.path.append('/Applications/Inkscape.app/Contents/Resources/extensions')
# Windows
sys.path.append('C:\Program Files\Inkscape\share\extensions')

# We will use the inkex module with the predefined Effect base class.
import inkex

class JessyInk_Effects(inkex.Effect):
      def __init__(self):
            # Call the base class constructor.
            inkex.Effect.__init__(self)

            self.OptionParser.add_option('--tab', action = 'store', type = 'string', dest = 'what')
            self.OptionParser.add_option('--effectInOrder', action = 'store', type = 'string', dest = 'effectInOrder', default = 1)
            self.OptionParser.add_option('--effectInDuration', action = 'store', type = 'float', dest = 'effectInDuration', default = 0.8)
            self.OptionParser.add_option('--effectIn', action = 'store', type = 'string', dest = 'effectIn', default = 'none')
            self.OptionParser.add_option('--effectOutOrder', action = 'store', type = 'string', dest = 'effectOutOrder', default = 2)
            self.OptionParser.add_option('--effectOutDuration', action = 'store', type = 'float', dest = 'effectOutDuration', default = 0.8)
            self.OptionParser.add_option('--effectOut', action = 'store', type = 'string', dest = 'effectOut', default = 'none')

            inkex.NSS[u"jessyink"] = u"https://launchpad.net/jessyink"

      def effect(self):
            # Check version.
            scriptNodes = self.document.xpath("//svg:script[@jessyink:version='1.5.1']", namespaces=inkex.NSS)

            if len(scriptNodes) != 1:
                  sys.stderr.write("The JessyInk script is not installed in this SVG file or has a different version than the JessyInk extensions. Please select \"install/update...\" from the \"JessyInk\" sub-menu of the \"Effects\" menu to install or update the JessyInk script.\n\n")

            if len(self.selected) == 0:
                  sys.stderr.write("No object selected. Please select the object you want to assign an effect to and then press apply.\n")

            for id, node in self.selected.items():
                  if (self.options.effectIn == "appear") or (self.options.effectIn == "fade") or (self.options.effectIn == "pop"):
                        node.set("{" + inkex.NSS["jessyink"] + "}effectIn","name:" + self.options.effectIn  + ";order:" + self.options.effectInOrder + ";length:" + str(int(self.options.effectInDuration * 1000)))
                        # Remove possible view argument.
                        if node.attrib.has_key("{" + inkex.NSS["jessyink"] + "}view"):
                              del node.attrib["{" + inkex.NSS["jessyink"] + "}view"]
                  else:
                        if node.attrib.has_key("{" + inkex.NSS["jessyink"] + "}effectIn"):
                              del node.attrib["{" + inkex.NSS["jessyink"] + "}effectIn"]
            
                  if (self.options.effectOut == "appear") or (self.options.effectOut == "fade") or (self.options.effectOut == "pop"):
                        node.set("{" + inkex.NSS["jessyink"] + "}effectOut","name:" + self.options.effectOut  + ";order:" + self.options.effectOutOrder + ";length:" + str(int(self.options.effectOutDuration * 1000)))
                        # Remove possible view argument.
                        if node.attrib.has_key("{" + inkex.NSS["jessyink"] + "}view"):
                              del node.attrib["{" + inkex.NSS["jessyink"] + "}view"]
                  else:
                        if node.attrib.has_key("{" + inkex.NSS["jessyink"] + "}effectOut"):
                              del node.attrib["{" + inkex.NSS["jessyink"] + "}effectOut"]

# Create effect instance
effect = JessyInk_Effects()
effect.affect()


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