1#!/usr/local/bin/python 2 3# Gimp-Python - allows the writing of Gimp plugins in Python. 4# Copyright (C) 1997 James Henstridge <james@daa.com.au> 5# 6# This program is free software: you can redistribute it and/or modify 7# it under the terms of the GNU General Public License as published by 8# the Free Software Foundation; either version 3 of the License, or 9# (at your option) any later version. 10# 11# This program is distributed in the hope that it will be useful, 12# but WITHOUT ANY WARRANTY; without even the implied warranty of 13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14# GNU General Public License for more details. 15# 16# You should have received a copy of the GNU General Public License 17# along with this program. If not, see <https://www.gnu.org/licenses/>. 18 19import math 20from gimpfu import * 21 22def sphere(radius, light, shadow, foo, bg_colour, sphere_colour): 23 if radius < 1: 24 radius = 1 25 26 width = int(radius * 3.75) 27 height = int(radius * 2.5) 28 29 gimp.context_push() 30 31 img = gimp.Image(width, height, RGB) 32 33 drawable = gimp.Layer(img, "Sphere Layer", width, height, 34 RGB_IMAGE, 100, NORMAL_MODE) 35 36 radians = light * math.pi / 180 37 38 cx = width / 2 39 cy = height / 2 40 41 light_x = cx + radius * 0.6 * math.cos(radians) 42 light_y = cy - radius * 0.6 * math.sin(radians) 43 44 light_end_x = cx + radius * math.cos(math.pi + radians) 45 light_end_y = cy - radius * math.sin(math.pi + radians) 46 47 offset = radius * 0.1 48 49 img.disable_undo() 50 img.insert_layer(drawable) 51 52 gimp.set_foreground(sphere_colour) 53 54 gimp.set_background(bg_colour) 55 pdb.gimp_edit_fill(drawable, BACKGROUND_FILL) 56 57 gimp.set_background(20, 20, 20) 58 59 if (light >= 45 and light <= 75 or light <= 135 and 60 light >= 105) and shadow: 61 shadow_w = radius * 2.5 * math.cos(math.pi + radians) 62 shadow_h = radius * 0.5 63 shadow_x = cx 64 shadow_y = cy + radius * 0.65 65 66 if shadow_w < 0: 67 shadow_x = cx + shadow_w 68 shadow_w = -shadow_w 69 70 pdb.gimp_ellipse_select(img, shadow_x, shadow_y, shadow_w, shadow_h, 71 CHANNEL_OP_REPLACE, True, True, 7.5) 72 pdb.gimp_edit_bucket_fill(drawable, BG_BUCKET_FILL, 73 MULTIPLY_MODE, 100, 0, False, 0, 0) 74 75 pdb.gimp_ellipse_select(img, cx - radius, cy - radius, 2 * radius, 76 2 * radius, CHANNEL_OP_REPLACE, True, False, 0) 77 pdb.gimp_edit_blend(drawable, FG_BG_RGB_MODE, NORMAL_MODE, GRADIENT_RADIAL, 78 100, offset, REPEAT_NONE, False, False, 0, 0, True, 79 light_x, light_y, light_end_x, light_end_y) 80 81 pdb.gimp_selection_none(img) 82 83 img.enable_undo() 84 85 disp = gimp.Display(img) 86 87 gimp.context_pop() 88 89 90register( 91 "python-fu-sphere", 92 "Simple sphere with drop shadow", 93 "Simple sphere with drop shadow", 94 "James Henstridge", 95 "James Henstridge", 96 "1997-1999, 2007", 97 "_Sphere", 98 "", 99 [ 100 (PF_INT, "radius", "Radius for sphere", 100), 101 (PF_SLIDER, "light", "Light angle", 45, (0,360,1)), 102 (PF_TOGGLE, "shadow", "Shadow?", 1), 103 (PF_RADIO, "foo", "Test", "foo", (("Foo", "foo"), ("Bar", "bar"))), 104 (PF_COLOR, "bg-color", "Background", (1.0, 1.0, 1.0)), 105 (PF_COLOR, "sphere-color", "Sphere", "orange") 106 ], 107 [], 108 sphere, 109 menu="<Image>/Filters/Languages/Python-Fu/Test") 110 111main() 112