/usr/share/gimp/2.0/scripts/egger-shadow-recovery.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
;
; Shadow Recovery script for GIMP 2.4
; Original author: Martin Egger (martin.egger@gmx.net)
; (C) 2005, Bern, Switzerland
;
;
; Tags: photo, exposure
;
;
; --------------------------------------------------------------------
; Distributed by Gimp FX Foundry project
; --------------------------------------------------------------------
; - Changelog -
; august 2007 - fixed for gimp 2.4
; --------------------------------------------------------------------
;
; 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 the function
;
(define (script-fu-Eg-ShadowRecovery InImage InLayer InMethod InOpacity InFlatten)
;
; Save history
;
(gimp-image-undo-group-start InImage)
;
(let* (
(CopyLayer (car (gimp-layer-copy InLayer TRUE)))
(ShadowLayer (car (gimp-layer-copy InLayer TRUE)))
)
;
; Create new layer and add it to the image
;
(gimp-image-add-layer InImage CopyLayer -1)
(gimp-layer-set-mode CopyLayer ADDITION-MODE)
(gimp-layer-set-opacity CopyLayer InOpacity)
(gimp-image-add-layer InImage ShadowLayer -1)
;
(if (= (car (gimp-drawable-is-gray ShadowLayer)) FALSE ) (gimp-desaturate ShadowLayer))
(gimp-invert ShadowLayer)
(let* (
(CopyMask (car (gimp-layer-create-mask CopyLayer ADD-WHITE-MASK)))
(ShadowMask (car (gimp-layer-create-mask ShadowLayer ADD-WHITE-MASK)))
)
(gimp-layer-add-mask CopyLayer CopyMask)
(gimp-layer-add-mask ShadowLayer ShadowMask)
(gimp-selection-all InImage)
(gimp-edit-copy ShadowLayer)
(gimp-floating-sel-anchor (car (gimp-edit-paste CopyMask TRUE)))
(gimp-floating-sel-anchor (car (gimp-edit-paste ShadowMask TRUE)))
(gimp-layer-set-edit-mask CopyLayer FALSE)
(gimp-layer-set-edit-mask ShadowLayer FALSE)
)
(gimp-layer-set-mode ShadowLayer OVERLAY-MODE)
(gimp-layer-set-opacity ShadowLayer InOpacity)
(if (= InMethod 0) (gimp-image-remove-layer InImage CopyLayer))
;
; Flatten the image, if we need to
;
(cond
((= InFlatten TRUE)
(begin
(if (= InMethod 1) (gimp-image-merge-down InImage CopyLayer CLIP-TO-IMAGE))
(gimp-image-merge-down InImage ShadowLayer CLIP-TO-IMAGE)
)
)
((= InFlatten FALSE)
(begin
(if (= InMethod 1) (gimp-drawable-set-name CopyLayer _"Shadowfree strong"))
(gimp-drawable-set-name ShadowLayer _"Shadowfree normal")
(gimp-image-set-active-layer InImage InLayer)
)
)
)
)
;
; Finish work
;
(gimp-image-undo-group-end InImage)
(gimp-displays-flush)
;
)
;
(script-fu-register
"script-fu-Eg-ShadowRecovery"
_"Shadow _Recovery"
_"Lighten-up Shadows"
"Martin Egger (martin.egger@gmx.net)"
"Martin Egger, Bern, Switzerland"
"20.10.2007"
"RGB* GRAY*"
SF-IMAGE "The Image" 0
SF-DRAWABLE "The Layer" 0
SF-OPTION _"Shadow Recovery Method"
'(
_"Normal"
_"Strong"
)
SF-ADJUSTMENT _"Layer Opacity" '(60.0 1.0 100.0 1.0 0 2 0)
SF-TOGGLE _"Flatten Image" FALSE
)
;
(script-fu-menu-register "script-fu-Eg-ShadowRecovery"
"<Image>/Filters/Eg")
;
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