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#!/usr/bin/env python2
# 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/>.
import math
from gimpfu import *
def sphere(radius, light, shadow, foo, bg_colour, sphere_colour):
if radius < 1:
radius = 1
width = int(radius * 3.75)
height = int(radius * 2.5)
gimp.context_push()
img = gimp.Image(width, height, RGB)
drawable = gimp.Layer(img, "Sphere Layer", width, height,
RGB_IMAGE, 100, NORMAL_MODE)
radians = light * math.pi / 180
cx = width / 2
cy = height / 2
light_x = cx + radius * 0.6 * math.cos(radians)
light_y = cy - radius * 0.6 * math.sin(radians)
light_end_x = cx + radius * math.cos(math.pi + radians)
light_end_y = cy - radius * math.sin(math.pi + radians)
offset = radius * 0.1
img.disable_undo()
img.insert_layer(drawable)
gimp.set_foreground(sphere_colour)
gimp.set_background(bg_colour)
pdb.gimp_edit_fill(drawable, BACKGROUND_FILL)
gimp.set_background(20, 20, 20)
if (light >= 45 and light <= 75 or light <= 135 and
light >= 105) and shadow:
shadow_w = radius * 2.5 * math.cos(math.pi + radians)
shadow_h = radius * 0.5
shadow_x = cx
shadow_y = cy + radius * 0.65
if shadow_w < 0:
shadow_x = cx + shadow_w
shadow_w = -shadow_w
pdb.gimp_ellipse_select(img, shadow_x, shadow_y, shadow_w, shadow_h,
CHANNEL_OP_REPLACE, True, True, 7.5)
pdb.gimp_edit_bucket_fill(drawable, BG_BUCKET_FILL,
MULTIPLY_MODE, 100, 0, False, 0, 0)
pdb.gimp_ellipse_select(img, cx - radius, cy - radius, 2 * radius,
2 * radius, CHANNEL_OP_REPLACE, True, False, 0)
pdb.gimp_edit_blend(drawable, FG_BG_RGB_MODE, NORMAL_MODE, GRADIENT_RADIAL,
100, offset, REPEAT_NONE, False, False, 0, 0, True,
light_x, light_y, light_end_x, light_end_y)
pdb.gimp_selection_none(img)
img.enable_undo()
disp = gimp.Display(img)
gimp.context_pop()
register(
"python-fu-sphere",
"Simple sphere with drop shadow",
"Simple sphere with drop shadow",
"James Henstridge",
"James Henstridge",
"1997-1999, 2007",
"_Sphere",
"",
[
(PF_INT, "radius", "Radius for sphere", 100),
(PF_SLIDER, "light", "Light angle", 45, (0,360,1)),
(PF_TOGGLE, "shadow", "Shadow?", 1),
(PF_RADIO, "foo", "Test", "foo", (("Foo", "foo"), ("Bar", "bar"))),
(PF_COLOR, "bg-color", "Background", (1.0, 1.0, 1.0)),
(PF_COLOR, "sphere-color", "Sphere", "orange")
],
[],
sphere,
menu="<Image>/Filters/Languages/Python-Fu/Test")
main()
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