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#!/usr/bin/env python2
#
# 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/>.
from gimpfu import *
gettext.install("gimp20-python", gimp.locale_directory, unicode=True)
def make_gradient(palette, num_segments, num_colors):
gradient = pdb.gimp_gradient_new(palette)
if (num_segments > 1):
pdb.gimp_gradient_segment_range_split_uniform(gradient, 0, -1,
num_segments)
for color_number in range(0,num_segments):
if (color_number == num_colors-1):color_number_next = 0
else: color_number_next = color_number + 1
color_left = pdb.gimp_palette_entry_get_color(palette,
color_number)
color_right = pdb.gimp_palette_entry_get_color(palette,
color_number_next)
pdb.gimp_gradient_segment_set_left_color(gradient,
color_number, color_left,
100.0)
pdb.gimp_gradient_segment_set_right_color(gradient,
color_number, color_right,
100.0)
pdb.gimp_context_set_gradient(gradient)
return gradient
def palette_to_gradient_repeating(palette):
num_colors = pdb.gimp_palette_get_info(palette)
num_segments = num_colors
return make_gradient(palette, num_segments, num_colors)
register(
"python-fu-palette-to-gradient-repeating",
N_("Create a repeating gradient using colors from the palette"),
"Create a new repeating gradient using colors from the palette.",
"Carol Spears, reproduced from previous work by Adrian Likins and Jeff Trefftz",
"Carol Spears",
"2006",
N_("Palette to _Repeating Gradient"),
"",
[(PF_PALETTE, "palette", _("Palette"), "")],
[(PF_GRADIENT, "new-gradient", "Result")],
palette_to_gradient_repeating,
menu="<Palettes>",
domain=("gimp20-python", gimp.locale_directory)
)
def palette_to_gradient(palette):
num_colors = pdb.gimp_palette_get_info(palette)
num_segments = num_colors - 1
return make_gradient(palette, num_segments, num_colors)
register(
"python-fu-palette-to-gradient",
N_("Create a gradient using colors from the palette"),
"Create a new gradient using colors from the palette.",
"Carol Spears, reproduced from previous work by Adrian Likins and Jeff Trefftz",
"Carol Spears",
"2006",
N_("Palette to _Gradient"),
"",
[(PF_PALETTE, "palette", _("Palette"), "")],
[(PF_GRADIENT, "new-gradient", "Result")],
palette_to_gradient,
menu="<Palettes>",
domain=("gimp20-python", gimp.locale_directory)
)
main ()
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