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82ada55b99
Oups, I left the plug-in as Python 2. This was still a good proof-of-concept that GIMP 3 will support as well Python 2 and Python 3 (even though Python 2 is end-of-life soon anyway).
148 lines
5.3 KiB
Python
148 lines
5.3 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import gi
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gi.require_version('Gimp', '3.0')
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from gi.repository import Gimp
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from gi.repository import GObject
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from gi.repository import GLib
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from gi.repository import Gio
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import sys
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import gettext
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_ = gettext.gettext
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def N_(message): return message
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def run(procedure, args, data):
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# Get the parameters
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palette = None
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if args.length() > 1:
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palette = args.index(1)
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if palette == '' or palette is None:
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palette = Gimp.context_get_palette()
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(exists, num_colors) = Gimp.palette_get_info(palette)
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if not exists:
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error = 'Unknown palette: {}'.format(palette)
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return procedure.new_return_values(Gimp.PDBStatusType.CALLING_ERROR,
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GLib.Error(error))
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if args.length() > 2:
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amount = args.index(2)
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else:
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amount = 1
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#If palette is read only, work on a copy:
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editable = Gimp.palette_is_editable(palette)
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if not editable:
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palette = Gimp.palette_duplicate (palette)
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tmp_entry_array = []
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for i in range (num_colors):
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tmp_entry_array.append ((Gimp.palette_entry_get_name (palette, i)[1],
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Gimp.palette_entry_get_color (palette, i)[1]))
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for i in range (num_colors):
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target_index = i + amount
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if target_index >= num_colors:
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target_index -= num_colors
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elif target_index < 0:
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target_index += num_colors
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Gimp.palette_entry_set_name (palette, target_index, tmp_entry_array[i][0])
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Gimp.palette_entry_set_color (palette, target_index, tmp_entry_array[i][1])
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retval = procedure.new_return_values(Gimp.PDBStatusType.SUCCESS, GLib.Error())
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value = GObject.Value(GObject.TYPE_STRING, palette)
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retval.remove(1)
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retval.insert(1, value)
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return retval
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class PaletteOffset (Gimp.PlugIn):
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## Parameter: run-mode ##
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@GObject.Property(type=Gimp.RunMode,
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default=Gimp.RunMode.NONINTERACTIVE,
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nick="Run mode", blurb="The run mode")
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def run_mode(self):
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"""Read-write integer property."""
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return self.runmode
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@run_mode.setter
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def run_mode(self, runmode):
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self.runmode = runmode
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## Parameter: palette ##
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@GObject.Property(type=str,
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default="",
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nick= _("Palette"),
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blurb= _("Palette"))
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def palette(self):
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return self.palette
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@palette.setter
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def palette(self, palette):
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self.palette = palette
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## Parameter: amount ##
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@GObject.Property(type=int,
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default=1,
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nick= _("Off_set"),
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blurb= _("Offset"))
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def amount(self):
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return self.amount
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@amount.setter
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def amount(self, amount):
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self.amount = amount
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## Return: new-palette ##
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@GObject.Property(type=str,
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default=None,
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nick="Name of the edited palette",
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blurb="Name of the newly created palette if read-only or the input palette otherwise")
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def new_palette(self):
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return self.new_palette
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@new_palette.setter
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def new_palette(self, new_palette):
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self.new_palette = new_palette
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## GimpPlugIn virtual methods ##
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def do_query_procedures(self):
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# Localization
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self.set_translation_domain ("gimp30-python",
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Gio.file_new_for_path(Gimp.locale_directory()))
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return [ "python-fu-palette-offset" ]
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def do_create_procedure(self, name):
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procedure = Gimp.Procedure.new(self, name,
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Gimp.PDBProcType.PLUGIN,
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run, None)
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if name == 'python-fu-palette-offset':
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procedure.set_menu_label(N_("_Offset Palette..."))
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procedure.set_documentation(N_("Offset the colors in a palette"),
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"palette_offset (palette, amount) -> modified_palette",
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"")
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procedure.set_attribution("Joao S. O. Bueno Calligaris, Carol Spears",
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"(c) Joao S. O. Bueno Calligaris",
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"2004, 2006")
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procedure.add_argument_from_property(self, "run-mode")
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procedure.add_argument_from_property(self, "palette")
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procedure.add_argument_from_property(self, "amount")
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procedure.add_return_value_from_property(self, "new-palette")
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procedure.add_menu_path ('<Palettes>')
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else:
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procedure = None
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return procedure
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Gimp.main(PaletteOffset.__gtype__, sys.argv)
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