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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# 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/>.
import gi
gi.require_version('Gimp', '3.0')
from gi.repository import Gimp
from gi.repository import GObject
from gi.repository import GLib
from gi.repository import Gio
import sys
def N_(message): return message
def _(message): return GLib.dgettext(None, message)
help_doc = r"""
Offset the colors in the palette.
Offsets and returns the given palette when it is editable,
otherwise copies the given palette and returns it.
"""
class PaletteOffset (Gimp.PlugIn):
## GimpPlugIn virtual methods ##
def do_set_i18n(self, procname):
return True, 'gimp30-python', None
def do_query_procedures(self):
return [ "python-fu-palette-offset" ]
def do_create_procedure(self, name):
procedure = Gimp.Procedure.new(self, name,
Gimp.PDBProcType.PLUGIN,
self.run, None)
if name == 'python-fu-palette-offset':
procedure.set_menu_label(_("_Offset Palette..."))
procedure.set_documentation(_("Offset the colors in a palette"),
help_doc,
"")
procedure.set_attribution("Joao S. O. Bueno Calligaris, Carol Spears",
"(c) Joao S. O. Bueno Calligaris",
"2004, 2006")
procedure.add_enum_argument ("run-mode", _("Run mode"),
_("The run mode"), Gimp.RunMode,
Gimp.RunMode.NONINTERACTIVE,
GObject.ParamFlags.READWRITE)
procedure.add_palette_argument ("palette", _("_Palette"),
_("Palette"), True,
None, True, # Default to context.
GObject.ParamFlags.READWRITE)
procedure.add_int_argument ("amount", _("O_ffset"), _("Offset"),
1, GLib.MAXINT, 1, GObject.ParamFlags.READWRITE)
procedure.add_palette_return_value ("new-palette", _("The edited palette"),
_("The newly created palette when read-only, otherwise the input palette"),
GObject.ParamFlags.READWRITE)
procedure.add_menu_path ('<Palettes>/Palettes Menu')
else:
procedure = None
return procedure
def run(self, procedure, config, data):
runmode = config.get_property("run-mode")
palette = config.get_property("palette")
amount = config.get_property("amount")
if palette is None:
palette = Gimp.context_get_palette()
config.set_property("palette", palette)
if not palette.is_valid():
error = f'Invalid palette ID: {palette.get_id()}'
return procedure.new_return_values(Gimp.PDBStatusType.CALLING_ERROR,
GLib.Error(error))
if runmode == Gimp.RunMode.INTERACTIVE:
gi.require_version('GimpUi', '3.0')
from gi.repository import GimpUi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
GimpUi.init ("palette-offset.py")
dialog = GimpUi.ProcedureDialog(procedure=procedure, config=config)
config.set_property("palette", None)
dialog.fill(["palette", "amount"])
if not dialog.run():
dialog.destroy()
return procedure.new_return_values(Gimp.PDBStatusType.CANCEL, GLib.Error())
else:
dialog.destroy()
amount = config.get_property("amount")
palette = config.get_property("palette")
#If palette is read only, work on a copy:
editable = palette.is_editable()
if not editable:
palette = palette.duplicate()
num_colors = palette.get_color_count()
tmp_entry_array = []
for i in range (num_colors):
tmp_entry_array.append ((palette.get_entry_name(i)[1],
palette.get_entry_color(i)))
for i in range (num_colors):
target_index = i + amount
if target_index >= num_colors:
target_index -= num_colors
elif target_index < 0:
target_index += num_colors
palette.set_entry_name(target_index, tmp_entry_array[i][0])
palette.set_entry_color(target_index, tmp_entry_array[i][1])
retval = procedure.new_return_values(Gimp.PDBStatusType.SUCCESS, GLib.Error())
value = GObject.Value(Gimp.Palette, palette)
retval.remove(1)
retval.insert(1, value)
return retval
Gimp.main(PaletteOffset.__gtype__, sys.argv)
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