/usr/share/gimp/2.0/scripts/gradient-example.scm is in gimp-data 2.8.16-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | ; GIMP - The GNU Image Manipulation Program
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; Gradient example script --- create an example image of a custom gradient
; Copyright (C) 1997 Federico Mena Quintero
; federico@nuclecu.unam.mx
;
; 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 <http://www.gnu.org/licenses/>.
(define (script-fu-gradient-example width
height
gradient-reverse)
(let* (
(img (car (gimp-image-new width height RGB)))
(drawable (car (gimp-layer-new img width height RGB
"Gradient example" 100 NORMAL-MODE)))
; Calculate colors for checkerboard... just like in the gradient editor
(fg-color (* 255 (/ 2 3)))
(bg-color (* 255 (/ 1 3)))
)
(gimp-image-undo-disable img)
(gimp-image-insert-layer img drawable 0 0)
; Render background checkerboard
(gimp-context-push)
(gimp-context-set-foreground (list fg-color fg-color fg-color))
(gimp-context-set-background (list bg-color bg-color bg-color))
(plug-in-checkerboard RUN-NONINTERACTIVE img drawable 0 8)
(gimp-context-pop)
; Render gradient
(gimp-edit-blend drawable CUSTOM-MODE NORMAL-MODE
GRADIENT-LINEAR 100 0 REPEAT-NONE gradient-reverse
FALSE 0 0 TRUE
0 0 (- width 1) 0)
; Terminate
(gimp-image-undo-enable img)
(gimp-display-new img)
)
)
(script-fu-register "script-fu-gradient-example"
_"Custom _Gradient..."
_"Create an image filled with an example of the current gradient"
"Federico Mena Quintero"
"Federico Mena Quintero"
"June 1997"
""
SF-ADJUSTMENT _"Width" '(400 1 2000 1 10 0 1)
SF-ADJUSTMENT _"Height" '(30 1 2000 1 10 0 1)
SF-TOGGLE _"Gradient reverse" FALSE
)
(script-fu-menu-register "script-fu-gradient-example"
"<Gradients>")
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