/usr/share/gimp/2.0/scripts/tankedup-create-contrast-mask.scm is in gimp-plugin-registry 7.20140602+b4.
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
;
; Create Contrast Mask script for GIMP 2.4
; Created by www.tankedup-imaging.com
;
; Tags: contrast, mask, exposure, photo
;
; Author statement:
;
; A Script-Fu script to correct the exposure of dark areas
; without overexposing bright areas
;
; --------------------------------------------------------------------
; Distributed by Gimp FX Foundry project
; --------------------------------------------------------------------
; - Changelog -
;
; --------------------------------------------------------------------
;
; 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-contrast img drawable gblur opacity-mask)
(let* (
(hue 0)
(saturation 0)
(contrast 0)
)
(gimp-image-undo-group-start img)
; Copy image, add as new layer, set mode to hue
(set! hue (car (gimp-layer-copy drawable 1)))
(gimp-image-add-layer img hue -1)
(gimp-drawable-set-name hue "hue")
(gimp-layer-set-mode hue HUE)
; Copy image, add as new layer, set mode to saturation
(set! saturation (car (gimp-layer-copy drawable 1)))
(gimp-image-add-layer img saturation -1)
(gimp-drawable-set-name saturation "saturation")
(gimp-layer-set-mode saturation SATURATION)
; Copy image, add as new layer
(set! contrast (car (gimp-layer-copy drawable 1)))
(gimp-image-add-layer img contrast -1)
(gimp-drawable-set-name contrast "contrast")
; Desaturate, invert, gaussian-blur, set opacity, set mode to overlay
(gimp-desaturate contrast)
(gimp-invert contrast)
(plug-in-gauss-iir 1 img contrast gblur 1 1)
(gimp-layer-set-opacity contrast opacity-mask)
(gimp-layer-set-mode contrast OVERLAY)
; Cleanup
(gimp-image-undo-group-end img)
(gimp-displays-flush)
)
)
(script-fu-register "script-fu-contrast"
_"_Contrast Overlay"
_"Create a contrast layer with hue and saturation copies of original image"
"www.tankedup-imaging.com"
"Tanked Up Underwater Imaging"
"06 July 2006"
""
SF-IMAGE "Image" 0
SF-DRAWABLE "Drawable" 0
SF-ADJUSTMENT _"Blur Radius" '(20 1 200 1 1 1 0 1)
SF-ADJUSTMENT _"Opacity" '(80 0 100 1 20 0 0)
)
(script-fu-menu-register "script-fu-contrast"
"<Image>/FX-Foundry/Photo/Enhancement")
|