/usr/share/gimp/2.0/scripts/salonen-vivid-saturation.scm is in gimp-plugin-registry 7.20140602ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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; The GIMP -- an image manipulation program
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; Vivid saturation script for GIMP 2.4
; Original author: Olli Salonen <olli@cabbala.net>
;
; Tags: photo, color, saturation
;
; Author statement:
;
; script-fu-vivid-saturation - A script that will saturate the image with
; vivid saturated colors. Other implementations of this script are called
; "Digital Velvia".
;
; --------------------------------------------------------------------
; Distributed by Gimp FX Foundry project
; --------------------------------------------------------------------
; - Changelog -
; 1.00 Jan 15, 2004- initial release
; 1.10 - Fixed for 2.4 by Alexia Death
;
; --------------------------------------------------------------------
;
; 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 2 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, write to the Free Software
; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define (script-fu-vivid-saturation inImg inDrw inAmount)
(let* (
(amount (/ inAmount 100)))
(gimp-image-undo-group-start inImg)
(plug-in-colors-channel-mixer TRUE inImg inDrw FALSE (+ 1 amount amount) (- amount) (- amount) (- amount) (+ 1 amount amount) (- amount) (- amount) (- amount) (+ 1 amount amount))
(define (spline)
(let* ((a (cons-array 8 'byte)))
(set-pt a 0 0 0)
(set-pt a 1 63 60)
(set-pt a 2 191 194)
(set-pt a 3 255 255)
a))
(define (set-pt a index x y)
(prog1
(aset a (* index 2) x)
(aset a (+ (* index 2) 1) y)))
(gimp-curves-spline inDrw 0 8 (spline))
(gimp-image-undo-group-end inImg)
(gimp-displays-flush)
)
)
(script-fu-register "script-fu-vivid-saturation"
_"_Vivid Saturation"
_"Vivid saturation of image. Gives similar effect as many Digital Velvia filters do for the Other Product."
"Olli Salonen <olli@cabbala.net>"
"Olli Salonen"
"Jan 15, 2004"
""
SF-IMAGE "Image" 0
SF-DRAWABLE "Drawable" 0
SF-ADJUSTMENT _"Amount" '(10 0 50 1 1 0 0))
(script-fu-menu-register "script-fu-vivid-saturation"
"<Image>/FX-Foundry/Photo/Enhancement")
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