/usr/share/gimp/2.0/scripts/elsamuko-rainy-landscape.scm is in gimp-plugin-registry 5.20120621.
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 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | ; The GIMP -- an image manipulation program
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; 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, write to the Free Software
; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
; http://www.gnu.org/licenses/gpl-3.0.html
;
; Copyright (C) 2010 elsamuko <elsamuko@web.de>
;
(define (elsamuko-rainy-landscape aimg adraw
cast preserve
yellow-hues red-hues)
(let* ((img (car (gimp-drawable-get-image adraw)))
(owidth (car (gimp-image-width img)))
(oheight (car (gimp-image-height img)))
(hue-layer (car (gimp-layer-copy adraw FALSE)))
(bw-layer (car (gimp-layer-copy adraw FALSE)))
(extract-layer (car (gimp-layer-copy adraw FALSE)))
(cast-layer (car (gimp-layer-new img
owidth
oheight
1
"Blue Cast"
40
MULTIPLY-MODE)))
(cast-layer-mask (car (gimp-layer-create-mask cast-layer ADD-WHITE-MASK)))
(preserve-layer 0)
(preserve-layer-mask 0)
)
; init
(gimp-context-push)
(gimp-image-undo-group-start img)
(if (= (car (gimp-drawable-is-gray adraw )) TRUE)
(gimp-image-convert-rgb img)
)
;add hue layer
(gimp-image-add-layer img hue-layer -1)
(gimp-drawable-set-name hue-layer "Hue: Y->G, R->Y")
;create layer mask for the cast layer
(gimp-image-add-layer img bw-layer -1)
(gimp-drawable-set-name bw-layer "B/W Filter")
(plug-in-colors-channel-mixer 1 img bw-layer TRUE
-0.466 0.133 1.333 ;R
0 0 0 ;G
0 0 0 ) ;B)
(gimp-invert bw-layer)
(gimp-drawable-set-visible bw-layer FALSE)
;preserve yellow
(gimp-image-add-layer img extract-layer -1)
(gimp-drawable-set-name extract-layer "Extract")
(gimp-layer-set-mode extract-layer GRAIN-EXTRACT-MODE)
(plug-in-colortoalpha 1 img extract-layer preserve)
(gimp-edit-copy-visible img)
(set! preserve-layer (car (gimp-layer-new-from-visible img img "Preserve Y")))
(gimp-image-add-layer img preserve-layer 0)
(gimp-brightness-contrast preserve-layer -90 90)
(set! preserve-layer-mask (car (gimp-layer-create-mask preserve-layer ADD-COPY-MASK)))
(gimp-layer-add-mask preserve-layer preserve-layer-mask)
(gimp-drawable-set-visible extract-layer FALSE)
;add cast layer
(gimp-image-add-layer img cast-layer -1)
(gimp-image-raise-layer-to-top img preserve-layer)
(gimp-context-set-foreground cast)
(gimp-selection-all img)
(gimp-edit-bucket-fill cast-layer FG-BUCKET-FILL NORMAL-MODE 100 0 FALSE 0 0)
(gimp-edit-copy bw-layer)
(gimp-layer-add-mask cast-layer cast-layer-mask)
(gimp-floating-sel-anchor (car (gimp-edit-paste cast-layer-mask TRUE)))
(gimp-selection-none img)
;colorize hue layer
(gimp-hue-saturation hue-layer YELLOW-HUES yellow-hues 0 0)
(gimp-hue-saturation hue-layer RED-HUES red-hues 0 0)
;remove unneccessary layers
(gimp-image-remove-layer img extract-layer)
(gimp-image-remove-layer img bw-layer)
; tidy up
(gimp-image-undo-group-end img)
(gimp-displays-flush)
(gimp-context-pop)
)
)
(script-fu-register "elsamuko-rainy-landscape"
"_Rainy Landscape"
"After rain effect."
"elsamuko <elsamuko@web.de>"
"elsamuko"
"12/03/10"
"RGB*"
SF-IMAGE "Input image" 0
SF-DRAWABLE "Input drawable" 0
SF-COLOR "Blue Cast" '( 0 0 255)
SF-COLOR _"Preserve Color" '(255 255 0 )
SF-ADJUSTMENT _"Yellow Hues" '(20 0 50 1 5 0 0)
SF-ADJUSTMENT _"Red Hues" '(30 0 50 1 5 0 0)
)
(script-fu-menu-register "elsamuko-rainy-landscape" _"<Image>/Filters/Light and Shadow")
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