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Diffstat (limited to 'plug-ins/pygimp/plug-ins/sphere.py')
-rwxr-xr-x | plug-ins/pygimp/plug-ins/sphere.py | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/plug-ins/pygimp/plug-ins/sphere.py b/plug-ins/pygimp/plug-ins/sphere.py new file mode 100755 index 0000000..889c3f7 --- /dev/null +++ b/plug-ins/pygimp/plug-ins/sphere.py @@ -0,0 +1,111 @@ +#!/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() |