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# Gimp-Python - allows the writing of Gimp plugins in Python.
# Copyright (C) 1997 James Henstridge <james@daa.com.au>
#
# 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 <https://www.gnu.org/licenses/>.
# plugin.py -- helper for writing gimp plugins
# Copyright (C) 1997, James Henstridge.
#
# This is a small wrapper that makes plugins look like an object class that
# you can derive to create your plugin. With this wrapper, you are pretty
# much responsible for doing everything (checking run_mode, gui, etc). If
# you want to write a quick plugin, you probably want the gimpfu module.
#
# A plugin using this module would look something like this:
#
# import gimp, gimpplugin
#
# pdb = gimp.pdb
#
# class myplugin(gimpplugin.plugin):
# def query(self):
# gimp.install_procedure("plug_in_mine", ...)
#
# def plug_in_mine(self, par1, par2, par3,...):
# do_something()
#
# if __name__ == '__main__':
# myplugin().start()
import gimp
class plugin:
def start(self):
# only pass the init()/quit() member functions to gimp.main() if the
# plug-in overrides them, to avoid the default NOP versions from being
# called unnecessarily. in particular, this avoids plug-ins that don't
# implement init() from being registered as having an init function,
# causing them to be run at each startup.
def get_func(name):
if getattr(self.__class__, name) != getattr(plugin, name):
return getattr(self, name)
else:
return None
gimp.main(get_func("init"),
get_func("quit"),
self.query,
self._run)
def init(self):
pass
def quit(self):
pass
def query(self):
pass
def _run(self, name, params):
import sys
if "gimpui" in sys.modules.keys():
sys.modules["gimpui"].gimp_ui_init ()
if hasattr(self, name):
return apply(getattr(self, name), params)
else:
raise AttributeError, name
if __name__ == '__main__':
plugin().start()
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