/usr/share/gimp/2.0/scripts/melcher-make-bw.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
;
; bw-photoscript for GIMP 2.4
; Original author: Alexander Melcher (a.melchers@planet.nl)
; At xMedia, The Netherlands
;
; Tags: photo, b&w
;
; Author statement:
;
; Creates a black & white photograph style image
;
; --------------------------------------------------------------------
; 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 the function
(define (script-fu-xmedia-bw-photo inImage
inLayer
inDarken
inContrast
inMottle
inDefocus
inApplyOn
)
(let* (
(theImage 0)
(oldSelection 0)
(theLayer 0)
(oldRed 0)
(oldGreen 0)
(oldBlue 0)
)
; Make a copy if required
(set! theImage (if (= inApplyOn 0)
(car (gimp-image-duplicate inImage))
inImage)
)
; Group undo information
(gimp-image-undo-group-start theImage)
; Save the selection
(set! oldSelection (car (gimp-selection-save theImage)))
(if (< inApplyOn 2)
(gimp-selection-none theImage)
()
)
; Get the layer
(set! theLayer (if (= inApplyOn 2)
inLayer
(car (gimp-image-flatten theImage)))
)
; Save the component state
(set! oldRed (car (gimp-image-get-component-active theImage 0)))
(set! oldGreen (car (gimp-image-get-component-active theImage 1)))
(set! oldBlue (car (gimp-image-get-component-active theImage 2)))
; Enable all components
(gimp-image-set-component-active theImage 0 TRUE)
(gimp-image-set-component-active theImage 1 TRUE)
(gimp-image-set-component-active theImage 2 TRUE)
; Defocus
(if (= inDefocus TRUE)
(plug-in-gauss-rle 1 theImage theLayer 1.5 TRUE TRUE)
()
)
; Change the brightness of the red component
(gimp-image-set-component-active theImage 0 TRUE)
(gimp-image-set-component-active theImage 1 FALSE)
(gimp-image-set-component-active theImage 2 FALSE)
(gimp-brightness-contrast theLayer (- 0 inDarken) 0)
; Change the contrast of the green component
(gimp-image-set-component-active theImage 0 FALSE)
(gimp-image-set-component-active theImage 1 TRUE)
(gimp-image-set-component-active theImage 2 FALSE)
(gimp-brightness-contrast theLayer 0 inContrast)
; Mottle
(if (> inMottle 0)
(begin
(gimp-image-set-component-active theImage 0 FALSE)
(gimp-image-set-component-active theImage 1 FALSE)
(gimp-image-set-component-active theImage 2 TRUE)
(plug-in-noisify 1 theImage theLayer TRUE 0 0 0 0.5)
(plug-in-gauss-rle 1 theImage theLayer 5 TRUE TRUE)
)
()
)
; Enable all components
(gimp-image-set-component-active theImage 0 TRUE)
(gimp-image-set-component-active theImage 1 TRUE)
(gimp-image-set-component-active theImage 2 TRUE)
; Desaturate
(gimp-desaturate theLayer)
; Restore the component state
(gimp-image-set-component-active theImage 0 oldRed)
(gimp-image-set-component-active theImage 1 oldGreen)
(gimp-image-set-component-active theImage 2 oldBlue)
; Restore the selection
(gimp-selection-load oldSelection)
; Group undo information
(gimp-image-undo-group-end theImage)
(if (= inApplyOn 0)
(begin
(gimp-image-clean-all theImage)
(gimp-display-new theImage)
)
()
)
; Force update
(gimp-displays-flush)
; Return
(list theImage theLayer)
)
)
; Register script-fu-bw-photo
(script-fu-register
"script-fu-xmedia-bw-photo"
_"Black & White Photo..."
_"Creates a black & white photograph style image."
"Alexander Melchers"
"2002, Alexander Melchers, xMedia"
"17th November 2002"
"RGB*"
SF-IMAGE "The Image" 0
SF-DRAWABLE "The Layer" 0
SF-ADJUSTMENT _"Darken" '(50 0 127 1 0 0 0)
SF-ADJUSTMENT _"Contrast" '(50 0 127 1 0 0 0)
SF-ADJUSTMENT _"Mottle" '(0.5 0 1 0.01 0 1 0)
SF-TOGGLE _"Defocus" FALSE
SF-OPTION _"Apply on" '(_"Copy" _"Image" _"Selection")
)
(script-fu-menu-register "script-fu-xmedia-bw-photo"
"<Image>/FX-Foundry/Photo/Effects")
|