/usr/share/gimp/2.0/scripts/elsamuko-lomo.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.
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; 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 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.
;
; Copyright (C) 2005 Francois Le Lay <mfworx@gmail.com>
;
; Version 0.3 - Changed terminology, settings made more user-friendly
; Version 0.2 - Now using radial blending all-way
; Version 0.1 - Rectangular Selection Feathering doesn't look too good
;
;
; Usage:
;
; - Vignetting softness: The vignette layer is scaled with a
; default size equal to 1.5 the image size. Setting it to 2
; will make the vignetting softer and going to 1 will make
; the vignette layer the same size as the image, providing
; for darker blending in the corners.
;
; - Saturation and contrast have default values set to 20 and act
; on the base layer.
;
; - Double vignetting: when checked this will duplicate the Vignette
; layer providing for a stronger vignetting effect.
;
;
; October 23, 2007
; Script made GIMP 2.4 compatible by Donncha O Caoimh, donncha@inphotos.org
; Download at http://inphotos.org/gimp-lomo-plugin/
;
; Updated by elsamuko <elsamuko@web.de>
; http://registry.gimp.org/node/7870
(define (elsamuko-lomo aimg adraw avig asat acon
sharp wide_angle gauss_blur
motion_blur grain c41
invertA invertB
adv is_black
centerx centery aradius)
(let* ( (img (car (gimp-drawable-get-image adraw)))
(draw (car (gimp-layer-copy adraw FALSE)))
(owidth (car (gimp-image-width img)))
(oheight (car (gimp-image-height img)))
(halfwidth (/ owidth 2))
(halfheight (/ oheight 2))
(endingx 0)
(endingy 0)
(blend_x 0)
(blend_y 0)
(imgLAB 0)
(layersLAB 0)
(layerA 0)
(layerB 0)
(drawA 0)
(drawB 0)
(MaskImage 0)
(MaskLayer 0)
(OrigLayer 0)
(HSVImage 0)
(HSVLayer 0)
(SharpenLayer 0)
(Visible 0)
(cyan-layer 0)
(magenta-layer 0)
(yellow-layer 0)
(blue-layer 0)
(blue-layer-mask 0)
(amiddle (/ (+ owidth oheight) 2))
(multi (/ aradius 100))
(radius (* multi amiddle))
(x_black (+ (- halfwidth (* multi (/ amiddle 2))) (* owidth (/ centerx 100))))
(y_black (- (- halfheight (* multi (/ amiddle 2))) (* oheight (/ centery 100))))
(vignette (car (gimp-layer-new img
owidth
oheight
1
"Vignette"
100
OVERLAY-MODE)))
(hvignette (car (gimp-layer-new img
owidth
oheight
1
"Vignette"
100
OVERLAY-MODE)))
(overexpo (car (gimp-layer-new img
owidth
oheight
1
"Over Exposure"
80
OVERLAY-MODE)))
(black_vignette (car (gimp-layer-new img
owidth
oheight
1
"Black Vignette"
100
NORMAL-MODE)))
(grain-layer (car (gimp-layer-new img
owidth
oheight
1
"Grain"
100
OVERLAY-MODE)))
(grain-layer-mask (car (gimp-layer-create-mask grain-layer ADD-WHITE-MASK)))
)
; init
(set! blend_x (+ halfwidth (* owidth (/ centerx 100))))
(set! blend_y (- halfheight (* oheight (/ centery 100))))
(define (set-pt a index x y)
(begin
(aset a (* index 2) x)
(aset a (+ (* index 2) 1) y)
)
)
(define (splineValue)
(let* ((a (cons-array 6 'byte)))
(set-pt a 0 0 0)
(set-pt a 1 128 grain)
(set-pt a 2 255 0)
a
)
)
;(gimp-message (number->string (car (gimp-drawable-is-gray adraw ))))
(if (= (car (gimp-drawable-is-gray adraw )) TRUE)
(gimp-image-convert-rgb img)
)
(gimp-context-push)
(gimp-image-undo-group-start img)
(gimp-context-set-foreground '(0 0 0))
(gimp-context-set-background '(255 255 255))
(gimp-image-add-layer img draw -1)
(gimp-drawable-set-name draw "Process Copy")
; adjust contrast, saturation
(gimp-brightness-contrast draw 0 acon)
(gimp-hue-saturation draw ALL-HUES 0 0 asat)
;wide angle lens distortion
(if (> wide_angle 0)
(plug-in-lens-distortion 1 img draw 0 0 wide_angle 0 9 0)
)
;gauss blur as general focusing error
(if (> gauss_blur 0)
(plug-in-gauss TRUE aimg draw gauss_blur gauss_blur TRUE)
)
;motion blur as corner fuzziness
(if (> motion_blur 0)
(plug-in-mblur 1 img draw 2 motion_blur 0 blend_x blend_y)
)
;add c41-effect
;old red from djinn (http://registry.gimp.org/node/4683)
(if(= c41 1)(begin
(gimp-curves-spline draw HISTOGRAM-VALUE 8 #(0 0 68 64 190 219 255 255))
(gimp-curves-spline draw HISTOGRAM-RED 8 #(0 0 39 93 193 147 255 255))
(gimp-curves-spline draw HISTOGRAM-GREEN 6 #(0 0 68 70 255 207))
(gimp-curves-spline draw HISTOGRAM-BLUE 6 #(0 0 94 94 255 199))
)
)
;xpro green from lilahpops (http://www.lilahpops.com/cross-processing-with-the-gimp/)
(if(= c41 2)(begin
(gimp-curves-spline draw HISTOGRAM-RED 10 #(0 0 80 84 149 192 191 248 255 255))
(gimp-curves-spline draw HISTOGRAM-GREEN 8 #(0 0 70 81 159 220 255 255))
(gimp-curves-spline draw HISTOGRAM-BLUE 4 #(0 27 255 213))
)
)
;blue
(if(= c41 3)(begin
(gimp-curves-spline draw HISTOGRAM-RED 4 #(0 62 255 229))
(gimp-curves-spline draw HISTOGRAM-GREEN 8 #(0 0 69 29 193 240 255 255))
(gimp-curves-spline draw HISTOGRAM-BLUE 8 #(0 27 82 44 202 241 255 255))
)
)
;intense red
(if(= c41 4)(begin
(gimp-curves-spline draw HISTOGRAM-RED 6 #(0 0 90 150 240 255))
(gimp-curves-spline draw HISTOGRAM-GREEN 6 #(0 0 136 107 240 255))
(gimp-curves-spline draw HISTOGRAM-BLUE 6 #(0 0 136 107 255 246))
)
)
;movie (from http://tutorials.lombergar.com/achieve_the_indie_movie_look.html)
(if(= c41 5)(begin
(gimp-curves-spline draw HISTOGRAM-VALUE 4 #(40 0 255 255))
(gimp-curves-spline draw HISTOGRAM-RED 6 #(0 0 127 157 255 255))
(gimp-curves-spline draw HISTOGRAM-GREEN 4 #(0 8 255 255))
(gimp-curves-spline draw HISTOGRAM-BLUE 6 #(0 0 127 106 255 245))
)
)
;vintage-look script from mm1 (http://registry.gimp.org/node/1348)
(if(= c41 6)(begin
;Yellow Layer
(set! yellow-layer (car (gimp-layer-new img owidth oheight RGB "Yellow" 100 MULTIPLY-MODE)))
(gimp-image-add-layer img yellow-layer -1)
(gimp-context-set-background '(251 242 163))
(gimp-drawable-fill yellow-layer BACKGROUND-FILL)
(gimp-layer-set-opacity yellow-layer 59)
;Magenta Layer
(set! magenta-layer (car (gimp-layer-new img owidth oheight RGB "Magenta" 100 SCREEN-MODE)))
(gimp-image-add-layer img magenta-layer -1)
(gimp-context-set-background '(232 101 179))
(gimp-drawable-fill magenta-layer BACKGROUND-FILL)
(gimp-layer-set-opacity magenta-layer 20)
;Cyan Layer
(set! cyan-layer (car (gimp-layer-new img owidth oheight RGB "Cyan" 100 SCREEN-MODE)))
(gimp-image-add-layer img cyan-layer -1)
(gimp-context-set-background '(9 73 233))
(gimp-drawable-fill cyan-layer BACKGROUND-FILL)
(gimp-layer-set-opacity cyan-layer 17)
)
)
;LAB from Martin Evening (http://www.photoshopforphotographers.com/pscs2/download/movie-06.pdf)
(if(= c41 7)(begin
(set! drawA (car (gimp-layer-copy draw FALSE)))
(set! drawB (car (gimp-layer-copy draw FALSE)))
(gimp-image-add-layer img drawA -1)
(gimp-image-add-layer img drawB -1)
(gimp-drawable-set-name drawA "LAB-A")
(gimp-drawable-set-name drawB "LAB-B")
;decompose image to LAB and stretch A and B
(set! imgLAB (car (plug-in-decompose 1 img drawA "LAB" TRUE)))
(set! layersLAB (gimp-image-get-layers imgLAB))
(set! layerA (aref (cadr layersLAB) 1))
(gimp-levels-stretch layerA)
(plug-in-recompose 1 imgLAB layerA)
(set! imgLAB (car (plug-in-decompose 1 img drawB "LAB" TRUE)))
(set! layersLAB (gimp-image-get-layers imgLAB))
(set! layerB (aref (cadr layersLAB) 2))
(gimp-levels-stretch layerB)
(plug-in-recompose 1 imgLAB layerB)
(gimp-image-delete imgLAB)
;set mode to color mode
(gimp-layer-set-mode drawA COLOR-MODE)
(gimp-layer-set-mode drawB COLOR-MODE)
(gimp-layer-set-opacity drawA 40)
(gimp-layer-set-opacity drawB 40)
;blur
(plug-in-gauss 1 img drawA 2.5 2.5 1)
(plug-in-gauss 1 img drawB 2.5 2.5 1)
)
)
;light blue
(if(= c41 8)(begin
(gimp-curves-spline draw HISTOGRAM-RED 6 #(0 0 154 141 232 255))
(gimp-curves-spline draw HISTOGRAM-GREEN 8 #(0 0 65 48 202 215 255 255))
(gimp-curves-spline draw HISTOGRAM-GREEN 4 #(0 21 255 255))
(gimp-curves-spline draw HISTOGRAM-BLUE 8 #(0 0 68 89 162 206 234 255))
(gimp-levels draw HISTOGRAM-VALUE
25 255 ;input
1.25 ;gamma
0 255) ;output
)
)
;redscale
(if(= c41 9)(begin
;Blue Layer
(set! blue-layer (car (gimp-layer-copy draw TRUE)))
(gimp-image-add-layer img blue-layer -1)
(gimp-drawable-set-name blue-layer "Blue Filter")
(gimp-layer-set-opacity blue-layer 40)
(gimp-layer-set-mode blue-layer SCREEN-MODE)
(plug-in-colors-channel-mixer 1 img blue-layer TRUE
0 0 1 ;R
0 0 0 ;G
0 0 0 ;B
)
(set! blue-layer-mask (car (gimp-layer-create-mask blue-layer ADD-COPY-MASK)))
(gimp-layer-add-mask blue-layer blue-layer-mask)
(gimp-context-set-background '(0 0 255))
(gimp-drawable-fill blue-layer BACKGROUND-FILL)
(gimp-curves-spline draw HISTOGRAM-RED 6 #(0 0 127 190 255 255))
(gimp-curves-spline draw HISTOGRAM-GREEN 6 #(0 0 127 62 240 255))
(gimp-curves-spline draw HISTOGRAM-BLUE 4 #(0 0 255 0))
)
)
;retro bw
(if(= c41 10)(begin
(gimp-desaturate-full draw DESATURATE-LUMINOSITY)
;(gimp-curves-spline draw HISTOGRAM-RED 4 #(0 15 255 255))
(gimp-curves-spline draw HISTOGRAM-BLUE 4 #(0 0 255 230))
(gimp-curves-spline draw HISTOGRAM-VALUE 8 #(0 0 63 52 191 202 255 255))
)
)
;paynes bw
(if(= c41 11)(begin
(gimp-desaturate-full draw DESATURATE-LUMINOSITY)
(gimp-colorize draw 215 11 0)
)
)
;sepia
(if(= c41 12)(begin
(gimp-desaturate-full draw DESATURATE-LUMINOSITY)
(gimp-colorize draw 30 25 0)
)
)
;set some funky colors
(if( = invertA TRUE)(begin
(set! imgLAB (car (plug-in-decompose 1 img draw "LAB" TRUE)))
(set! layersLAB (gimp-image-get-layers imgLAB))
(set! layerA (aref (cadr layersLAB) 1))
(gimp-invert layerA)
(plug-in-recompose 1 imgLAB layerA)
)
)
(if( = invertB TRUE)(begin
(set! imgLAB (car (plug-in-decompose 1 img draw "LAB" TRUE)))
(set! layersLAB (gimp-image-get-layers imgLAB))
(set! layerB (aref (cadr layersLAB) 2))
(gimp-invert layerB)
(plug-in-recompose 1 imgLAB layerB)
)
)
;add two blending layers
(gimp-context-set-foreground '(0 0 0)) ;black
(gimp-context-set-background '(255 255 255)) ;white
(gimp-image-add-layer img overexpo -1)
(gimp-image-add-layer img vignette -1)
(gimp-drawable-fill vignette TRANSPARENT-FILL)
(gimp-drawable-fill overexpo TRANSPARENT-FILL)
;compute blend ending point depending on image orientation
(if (> owidth oheight)
(begin
(set! endingx owidth)
(set! endingy halfheight))
(begin
(set! endingx halfwidth)
(set! endingy oheight)
)
)
;let's do the vignetting effect
;apply a reverse radial blend on layer
;then scale layer by "avig" factor with a local origin
;if double vignetting is needed, duplicate layer and set duplicate opacity to 80%
(gimp-edit-blend vignette 2 0 2 100 0 REPEAT-NONE TRUE FALSE 0 0 TRUE blend_x blend_y endingx endingy)
(gimp-layer-scale vignette (* owidth avig) (* oheight avig) 1)
(plug-in-spread 1 img vignette 50 50)
(if (= adv TRUE)
( begin
(set! hvignette (car (gimp-layer-copy vignette 0)))
(gimp-layer-set-opacity hvignette 80)
(gimp-image-add-layer img hvignette -1)
(gimp-layer-resize-to-image-size hvignette)
)
)
(gimp-layer-resize-to-image-size vignette)
;let's do the over-exposure effect
;swap foreground and background colors then
;apply a radial blend from center to farthest side of layer
(gimp-context-swap-colors)
(gimp-edit-blend overexpo 2 0 2 100 0 REPEAT-NONE FALSE FALSE 0 0 TRUE blend_x blend_y endingx endingy)
(plug-in-spread 1 img overexpo 50 50)
;adding the black vignette
;selecting a feathered circle, invert selection and fill up with black
(if (= is_black TRUE)
( begin
(gimp-image-add-layer img black_vignette -1)
(gimp-drawable-fill black_vignette TRANSPARENT-FILL)
(gimp-ellipse-select img x_black y_black radius radius ADD TRUE TRUE (* radius 0.2)) ;last term is feather strength
(gimp-selection-invert img)
(gimp-context-set-foreground '(0 0 0))
(gimp-edit-bucket-fill black_vignette FG-BUCKET-FILL NORMAL-MODE 100 0 FALSE 0 0)
(gimp-selection-none img)
)
)
;add grain
(if (> grain 0)
( begin
;fill new layer with neutral gray
(gimp-image-add-layer img grain-layer -1)
(gimp-drawable-fill grain-layer TRANSPARENT-FILL)
(gimp-context-set-foreground '(128 128 128))
(gimp-selection-all img)
(gimp-edit-bucket-fill grain-layer FG-BUCKET-FILL NORMAL-MODE 100 0 FALSE 0 0)
(gimp-selection-none img)
;add grain and blur it
(plug-in-scatter-hsv 1 img grain-layer 2 0 0 100)
(plug-in-gauss 1 img grain-layer 0.5 0.5 1)
(gimp-layer-add-mask grain-layer grain-layer-mask)
;select the original image, copy and paste it as a layer mask into the grain layer
(gimp-selection-all img)
(gimp-edit-copy-visible img)
(gimp-floating-sel-anchor (car (gimp-edit-paste grain-layer-mask TRUE)))
;set color curves of layer mask, so that only gray areas become grainy
(gimp-curves-spline grain-layer-mask HISTOGRAM-VALUE 6 (splineValue))
)
)
;sharpness layer
(if(> sharp 0)
(begin
(if (> grain 0)(gimp-drawable-set-visible grain-layer FALSE))
(gimp-edit-copy-visible aimg)
(set! Visible (car (gimp-layer-new-from-visible aimg aimg "Visible")))
(gimp-image-add-layer aimg Visible -1)
(set! MaskImage (car (gimp-image-duplicate aimg)))
(set! MaskLayer (cadr (gimp-image-get-layers MaskImage)))
(set! OrigLayer (cadr (gimp-image-get-layers aimg)))
(set! HSVImage (car (plug-in-decompose TRUE aimg Visible "Value" TRUE)))
(set! HSVLayer (cadr (gimp-image-get-layers HSVImage)))
(set! SharpenLayer (car (gimp-layer-copy Visible TRUE)))
;smart sharpen from here: http://registry.gimp.org/node/108
(gimp-image-add-layer img SharpenLayer -1)
(gimp-selection-all HSVImage)
(gimp-edit-copy (aref HSVLayer 0))
(gimp-image-delete HSVImage)
(gimp-floating-sel-anchor (car (gimp-edit-paste SharpenLayer FALSE)))
(gimp-layer-set-mode SharpenLayer VALUE-MODE)
(plug-in-edge TRUE MaskImage (aref MaskLayer 0) 6 1 0)
(gimp-levels-stretch (aref MaskLayer 0))
(gimp-image-convert-grayscale MaskImage)
(plug-in-gauss TRUE MaskImage (aref MaskLayer 0) 6 6 TRUE)
(let* ((SharpenChannel (car (gimp-layer-create-mask SharpenLayer ADD-WHITE-MASK)))
)
(gimp-layer-add-mask SharpenLayer SharpenChannel)
(gimp-selection-all MaskImage)
(gimp-edit-copy (aref MaskLayer 0))
(gimp-floating-sel-anchor (car (gimp-edit-paste SharpenChannel FALSE)))
(gimp-image-delete MaskImage)
(plug-in-unsharp-mask TRUE img SharpenLayer 1 sharp 0)
(gimp-layer-set-opacity SharpenLayer 80)
(gimp-layer-set-edit-mask SharpenLayer FALSE)
)
(gimp-drawable-set-name SharpenLayer "Sharpen")
(gimp-image-remove-layer aimg Visible)
(if (> grain 0)
(begin
(gimp-drawable-set-visible grain-layer TRUE)
(gimp-image-lower-layer aimg SharpenLayer)
)
)
)
)
;tidy up
(gimp-image-undo-group-end img)
(gimp-displays-flush)
(gimp-context-pop)
)
)
(script-fu-register "elsamuko-lomo"
_"_Lomo..."
"Do a lomo effect on image.
Latest version can be downloaded from http://registry.gimp.org/node/7870"
"elsamuko <elsamuko@web.de>"
"elsamuko"
"15/02/05"
"*"
SF-IMAGE "Input image" 0
SF-DRAWABLE "Input drawable" 0
SF-ADJUSTMENT _"Vignetting Softness" '(1.5 1 2 0.1 0.5 1 0)
SF-ADJUSTMENT _"Saturation" '(10 -40 40 1 5 1 0)
SF-ADJUSTMENT _"Contrast" '(10 0 40 1 5 1 0)
SF-ADJUSTMENT _"Sharpness" '(0.8 0 2 0.1 0.2 1 0)
SF-ADJUSTMENT _"Wide Angle Distortion" '(5 0 13 0.1 0.5 1 0)
SF-ADJUSTMENT _"Gauss Blur" '(1 0 5 0.1 0.5 1 0)
SF-ADJUSTMENT _"Motion Blur" '(3 0 5 0.1 0.5 1 0)
SF-ADJUSTMENT _"Grain" '(128 0 255 1 20 0 0)
SF-OPTION _"Colors" '("Neutral"
"Old Red"
"XPro Green"
"Blue"
"XPro Autumn"
"Movie"
"Vintage"
"Xpro LAB"
"Light Blue"
"Redscale"
"Retro B/W"
"Paynes B/W"
"Sepia")
SF-TOGGLE _"Invert LAB-A" FALSE
SF-TOGGLE _"Invert LAB-B" FALSE
SF-TOGGLE _"Double Vignetting" TRUE
SF-TOGGLE _"Black Vignetting" FALSE
SF-ADJUSTMENT _" X-Shift(%)" '(0 -50 50 1 10 0 0)
SF-ADJUSTMENT _" Y-Shift(%)" '(0 -50 50 1 10 0 0)
SF-ADJUSTMENT _" Radius(%)" '(115 0 200 1 20 0 0)
)
(script-fu-menu-register "elsamuko-lomo" _"<Image>/Filters/Light and Shadow")
|