#!/usr/bin/env python

#   next-mode.py: set the current layer to the next layer mode.
#   Copyright (C) 2008 Akkana Peck.
#
#   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.

from gimpfu import *

mode_list = [ NORMAL_MODE, DISSOLVE_MODE,
              MULTIPLY_MODE, DIVIDE_MODE, SCREEN_MODE, OVERLAY_MODE,
              DODGE_MODE, BURN_MODE, HARDLIGHT_MODE, SOFTLIGHT_MODE,
              GRAIN_EXTRACT_MODE, GRAIN_MERGE_MODE,
              DIFFERENCE_MODE, ADDITION_MODE, SUBTRACT_MODE,
              DARKEN_ONLY_MODE, LIGHTEN_ONLY_MODE,
              HUE_MODE, SATURATION_MODE, COLOR_MODE, VALUE_MODE
            ]

def next_mode(img, drawable) :
    # disable undo for the image
    img.undo_group_start()

    i = mode_list.index(drawable.mode)
    drawable.mode = mode_list[(i+1) % len(mode_list)]

    # enable undo again
    img.undo_group_end()

register(
    "python-fu-next-mode",
    N_("Change the current layer to the next layer mode"),
    "Change the current layer to the next layer mode",
    "Akkana Peck",
    "Akkana Peck",
    "2008",
    N_("<Image>/Layer/Next mode"),
    "*",
    [
    ],
    [],
    next_mode
    )

main()